^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) .. _mpeg-controls:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) ***********************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) Codec Control Reference
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) ***********************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) Below all controls within the Codec control class are described. First
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) the generic controls, then controls specific for certain hardware.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) These controls are applicable to all codecs and not just MPEG. The
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) defines are prefixed with V4L2_CID_MPEG/V4L2_MPEG as the controls
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) were originally made for MPEG codecs and later extended to cover all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) encoding formats.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) Generic Codec Controls
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) ======================
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) .. _mpeg-control-id:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) Codec Control IDs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) -----------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) ``V4L2_CID_MPEG_CLASS (class)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) The Codec class descriptor. Calling
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) :ref:`VIDIOC_QUERYCTRL` for this control will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) return a description of this control class. This description can be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) used as the caption of a Tab page in a GUI, for example.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) .. _v4l2-mpeg-stream-type:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) ``V4L2_CID_MPEG_STREAM_TYPE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) enum v4l2_mpeg_stream_type -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) The MPEG-1, -2 or -4 output stream type. One cannot assume anything
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) here. Each hardware MPEG encoder tends to support different subsets
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) of the available MPEG stream types. This control is specific to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) multiplexed MPEG streams. The currently defined stream types are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) * - ``V4L2_MPEG_STREAM_TYPE_MPEG2_PS``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) - MPEG-2 program stream
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) * - ``V4L2_MPEG_STREAM_TYPE_MPEG2_TS``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) - MPEG-2 transport stream
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) * - ``V4L2_MPEG_STREAM_TYPE_MPEG1_SS``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) - MPEG-1 system stream
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) * - ``V4L2_MPEG_STREAM_TYPE_MPEG2_DVD``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) - MPEG-2 DVD-compatible stream
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) * - ``V4L2_MPEG_STREAM_TYPE_MPEG1_VCD``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) - MPEG-1 VCD-compatible stream
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) * - ``V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) - MPEG-2 SVCD-compatible stream
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) ``V4L2_CID_MPEG_STREAM_PID_PMT (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) Program Map Table Packet ID for the MPEG transport stream (default
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) ``V4L2_CID_MPEG_STREAM_PID_AUDIO (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) Audio Packet ID for the MPEG transport stream (default 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) ``V4L2_CID_MPEG_STREAM_PID_VIDEO (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) Video Packet ID for the MPEG transport stream (default 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) ``V4L2_CID_MPEG_STREAM_PID_PCR (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) Packet ID for the MPEG transport stream carrying PCR fields (default
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) ``V4L2_CID_MPEG_STREAM_PES_ID_AUDIO (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) Audio ID for MPEG PES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) ``V4L2_CID_MPEG_STREAM_PES_ID_VIDEO (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) Video ID for MPEG PES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) .. _v4l2-mpeg-stream-vbi-fmt:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) ``V4L2_CID_MPEG_STREAM_VBI_FMT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) enum v4l2_mpeg_stream_vbi_fmt -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) Some cards can embed VBI data (e. g. Closed Caption, Teletext) into
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) the MPEG stream. This control selects whether VBI data should be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) embedded, and if so, what embedding method should be used. The list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) of possible VBI formats depends on the driver. The currently defined
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) VBI format types are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) .. tabularcolumns:: |p{6.6 cm}|p{10.9cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) * - ``V4L2_MPEG_STREAM_VBI_FMT_NONE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) - No VBI in the MPEG stream
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) * - ``V4L2_MPEG_STREAM_VBI_FMT_IVTV``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) - VBI in private packets, IVTV format (documented in the kernel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) sources in the file
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) ``Documentation/userspace-api/media/drivers/cx2341x-uapi.rst``)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) .. _v4l2-mpeg-audio-sampling-freq:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) ``V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) enum v4l2_mpeg_audio_sampling_freq -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) MPEG Audio sampling frequency. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) * - ``V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) - 44.1 kHz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) * - ``V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) - 48 kHz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) * - ``V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) - 32 kHz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) .. _v4l2-mpeg-audio-encoding:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) ``V4L2_CID_MPEG_AUDIO_ENCODING``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) enum v4l2_mpeg_audio_encoding -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) MPEG Audio encoding. This control is specific to multiplexed MPEG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) streams. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) * - ``V4L2_MPEG_AUDIO_ENCODING_LAYER_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) - MPEG-1/2 Layer I encoding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) * - ``V4L2_MPEG_AUDIO_ENCODING_LAYER_2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) - MPEG-1/2 Layer II encoding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) * - ``V4L2_MPEG_AUDIO_ENCODING_LAYER_3``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) - MPEG-1/2 Layer III encoding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) * - ``V4L2_MPEG_AUDIO_ENCODING_AAC``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) - MPEG-2/4 AAC (Advanced Audio Coding)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) * - ``V4L2_MPEG_AUDIO_ENCODING_AC3``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) - AC-3 aka ATSC A/52 encoding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) .. _v4l2-mpeg-audio-l1-bitrate:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) ``V4L2_CID_MPEG_AUDIO_L1_BITRATE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) enum v4l2_mpeg_audio_l1_bitrate -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) MPEG-1/2 Layer I bitrate. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) * - ``V4L2_MPEG_AUDIO_L1_BITRATE_32K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) - 32 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) * - ``V4L2_MPEG_AUDIO_L1_BITRATE_64K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) - 64 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) * - ``V4L2_MPEG_AUDIO_L1_BITRATE_96K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) - 96 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) * - ``V4L2_MPEG_AUDIO_L1_BITRATE_128K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) - 128 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) * - ``V4L2_MPEG_AUDIO_L1_BITRATE_160K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) - 160 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) * - ``V4L2_MPEG_AUDIO_L1_BITRATE_192K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) - 192 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) * - ``V4L2_MPEG_AUDIO_L1_BITRATE_224K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) - 224 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) * - ``V4L2_MPEG_AUDIO_L1_BITRATE_256K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) - 256 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) * - ``V4L2_MPEG_AUDIO_L1_BITRATE_288K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) - 288 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) * - ``V4L2_MPEG_AUDIO_L1_BITRATE_320K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) - 320 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) * - ``V4L2_MPEG_AUDIO_L1_BITRATE_352K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) - 352 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) * - ``V4L2_MPEG_AUDIO_L1_BITRATE_384K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) - 384 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) * - ``V4L2_MPEG_AUDIO_L1_BITRATE_416K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) - 416 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) * - ``V4L2_MPEG_AUDIO_L1_BITRATE_448K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) - 448 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) .. _v4l2-mpeg-audio-l2-bitrate:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) ``V4L2_CID_MPEG_AUDIO_L2_BITRATE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) enum v4l2_mpeg_audio_l2_bitrate -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) MPEG-1/2 Layer II bitrate. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) * - ``V4L2_MPEG_AUDIO_L2_BITRATE_32K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) - 32 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) * - ``V4L2_MPEG_AUDIO_L2_BITRATE_48K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) - 48 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) * - ``V4L2_MPEG_AUDIO_L2_BITRATE_56K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) - 56 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) * - ``V4L2_MPEG_AUDIO_L2_BITRATE_64K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) - 64 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) * - ``V4L2_MPEG_AUDIO_L2_BITRATE_80K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) - 80 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) * - ``V4L2_MPEG_AUDIO_L2_BITRATE_96K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) - 96 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) * - ``V4L2_MPEG_AUDIO_L2_BITRATE_112K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) - 112 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) * - ``V4L2_MPEG_AUDIO_L2_BITRATE_128K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) - 128 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) * - ``V4L2_MPEG_AUDIO_L2_BITRATE_160K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) - 160 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) * - ``V4L2_MPEG_AUDIO_L2_BITRATE_192K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) - 192 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) * - ``V4L2_MPEG_AUDIO_L2_BITRATE_224K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) - 224 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) * - ``V4L2_MPEG_AUDIO_L2_BITRATE_256K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) - 256 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) * - ``V4L2_MPEG_AUDIO_L2_BITRATE_320K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) - 320 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) * - ``V4L2_MPEG_AUDIO_L2_BITRATE_384K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) - 384 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) .. _v4l2-mpeg-audio-l3-bitrate:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) ``V4L2_CID_MPEG_AUDIO_L3_BITRATE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) enum v4l2_mpeg_audio_l3_bitrate -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) MPEG-1/2 Layer III bitrate. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) * - ``V4L2_MPEG_AUDIO_L3_BITRATE_32K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) - 32 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) * - ``V4L2_MPEG_AUDIO_L3_BITRATE_40K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) - 40 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) * - ``V4L2_MPEG_AUDIO_L3_BITRATE_48K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) - 48 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) * - ``V4L2_MPEG_AUDIO_L3_BITRATE_56K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) - 56 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) * - ``V4L2_MPEG_AUDIO_L3_BITRATE_64K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) - 64 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) * - ``V4L2_MPEG_AUDIO_L3_BITRATE_80K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) - 80 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) * - ``V4L2_MPEG_AUDIO_L3_BITRATE_96K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) - 96 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) * - ``V4L2_MPEG_AUDIO_L3_BITRATE_112K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) - 112 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) * - ``V4L2_MPEG_AUDIO_L3_BITRATE_128K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) - 128 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) * - ``V4L2_MPEG_AUDIO_L3_BITRATE_160K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) - 160 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) * - ``V4L2_MPEG_AUDIO_L3_BITRATE_192K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) - 192 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) * - ``V4L2_MPEG_AUDIO_L3_BITRATE_224K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) - 224 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) * - ``V4L2_MPEG_AUDIO_L3_BITRATE_256K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) - 256 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) * - ``V4L2_MPEG_AUDIO_L3_BITRATE_320K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) - 320 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) ``V4L2_CID_MPEG_AUDIO_AAC_BITRATE (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) AAC bitrate in bits per second.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) .. _v4l2-mpeg-audio-ac3-bitrate:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) ``V4L2_CID_MPEG_AUDIO_AC3_BITRATE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) enum v4l2_mpeg_audio_ac3_bitrate -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) AC-3 bitrate. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_32K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) - 32 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_40K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) - 40 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_48K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) - 48 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_56K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) - 56 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_64K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) - 64 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_80K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) - 80 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_96K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) - 96 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_112K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) - 112 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_128K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) - 128 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_160K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) - 160 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_192K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) - 192 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_224K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) - 224 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_256K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) - 256 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_320K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) - 320 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_384K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) - 384 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_448K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) - 448 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_512K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) - 512 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_576K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) - 576 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) * - ``V4L2_MPEG_AUDIO_AC3_BITRATE_640K``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) - 640 kbit/s
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) .. _v4l2-mpeg-audio-mode:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) ``V4L2_CID_MPEG_AUDIO_MODE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) enum v4l2_mpeg_audio_mode -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) MPEG Audio mode. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) * - ``V4L2_MPEG_AUDIO_MODE_STEREO``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) - Stereo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) * - ``V4L2_MPEG_AUDIO_MODE_JOINT_STEREO``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) - Joint Stereo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) * - ``V4L2_MPEG_AUDIO_MODE_DUAL``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) - Bilingual
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) * - ``V4L2_MPEG_AUDIO_MODE_MONO``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) - Mono
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) .. _v4l2-mpeg-audio-mode-extension:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) ``V4L2_CID_MPEG_AUDIO_MODE_EXTENSION``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) enum v4l2_mpeg_audio_mode_extension -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) Joint Stereo audio mode extension. In Layer I and II they indicate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) which subbands are in intensity stereo. All other subbands are coded
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) in stereo. Layer III is not (yet) supported. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) * - ``V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) - Subbands 4-31 in intensity stereo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) * - ``V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_8``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) - Subbands 8-31 in intensity stereo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) * - ``V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_12``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) - Subbands 12-31 in intensity stereo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) * - ``V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) - Subbands 16-31 in intensity stereo
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) .. _v4l2-mpeg-audio-emphasis:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) ``V4L2_CID_MPEG_AUDIO_EMPHASIS``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) enum v4l2_mpeg_audio_emphasis -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) Audio Emphasis. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) * - ``V4L2_MPEG_AUDIO_EMPHASIS_NONE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) - None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) * - ``V4L2_MPEG_AUDIO_EMPHASIS_50_DIV_15_uS``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) - 50/15 microsecond emphasis
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) * - ``V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) - CCITT J.17
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) .. _v4l2-mpeg-audio-crc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) ``V4L2_CID_MPEG_AUDIO_CRC``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) enum v4l2_mpeg_audio_crc -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) CRC method. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) * - ``V4L2_MPEG_AUDIO_CRC_NONE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) - None
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) * - ``V4L2_MPEG_AUDIO_CRC_CRC16``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) - 16 bit parity check
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) ``V4L2_CID_MPEG_AUDIO_MUTE (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) Mutes the audio when capturing. This is not done by muting audio
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) hardware, which can still produce a slight hiss, but in the encoder
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) itself, guaranteeing a fixed and reproducible audio bitstream. 0 =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) unmuted, 1 = muted.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) .. _v4l2-mpeg-audio-dec-playback:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) ``V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) enum v4l2_mpeg_audio_dec_playback -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) Determines how monolingual audio should be played back. Possible
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) .. tabularcolumns:: |p{9.8cm}|p{7.7cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) * - ``V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) - Automatically determines the best playback mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) * - ``V4L2_MPEG_AUDIO_DEC_PLAYBACK_STEREO``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) - Stereo playback.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) * - ``V4L2_MPEG_AUDIO_DEC_PLAYBACK_LEFT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) - Left channel playback.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) * - ``V4L2_MPEG_AUDIO_DEC_PLAYBACK_RIGHT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) - Right channel playback.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) * - ``V4L2_MPEG_AUDIO_DEC_PLAYBACK_MONO``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) - Mono playback.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) * - ``V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) - Stereo playback with swapped left and right channels.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) .. _v4l2-mpeg-audio-dec-multilingual-playback:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) ``V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) enum v4l2_mpeg_audio_dec_playback -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) Determines how multilingual audio should be played back.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) .. _v4l2-mpeg-video-encoding:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) ``V4L2_CID_MPEG_VIDEO_ENCODING``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) enum v4l2_mpeg_video_encoding -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) MPEG Video encoding method. This control is specific to multiplexed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) MPEG streams. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) * - ``V4L2_MPEG_VIDEO_ENCODING_MPEG_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) - MPEG-1 Video encoding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) * - ``V4L2_MPEG_VIDEO_ENCODING_MPEG_2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) - MPEG-2 Video encoding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) * - ``V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) - MPEG-4 AVC (H.264) Video encoding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) .. _v4l2-mpeg-video-aspect:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) ``V4L2_CID_MPEG_VIDEO_ASPECT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) enum v4l2_mpeg_video_aspect -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) Video aspect. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) * - ``V4L2_MPEG_VIDEO_ASPECT_1x1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) * - ``V4L2_MPEG_VIDEO_ASPECT_4x3``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) * - ``V4L2_MPEG_VIDEO_ASPECT_16x9``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) * - ``V4L2_MPEG_VIDEO_ASPECT_221x100``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) ``V4L2_CID_MPEG_VIDEO_B_FRAMES (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) Number of B-Frames (default 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) ``V4L2_CID_MPEG_VIDEO_GOP_SIZE (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) GOP size (default 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) ``V4L2_CID_MPEG_VIDEO_GOP_CLOSURE (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) GOP closure (default 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) ``V4L2_CID_MPEG_VIDEO_PULLDOWN (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) Enable 3:2 pulldown (default 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) .. _v4l2-mpeg-video-bitrate-mode:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) ``V4L2_CID_MPEG_VIDEO_BITRATE_MODE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) enum v4l2_mpeg_video_bitrate_mode -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) Video bitrate mode. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) * - ``V4L2_MPEG_VIDEO_BITRATE_MODE_VBR``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) - Variable bitrate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) * - ``V4L2_MPEG_VIDEO_BITRATE_MODE_CBR``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) - Constant bitrate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) * - ``V4L2_MPEG_VIDEO_BITRATE_MODE_CQ``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) - Constant quality
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) ``V4L2_CID_MPEG_VIDEO_BITRATE (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) Video bitrate in bits per second.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) ``V4L2_CID_MPEG_VIDEO_BITRATE_PEAK (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) Peak video bitrate in bits per second. Must be larger or equal to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) the average video bitrate. It is ignored if the video bitrate mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) is set to constant bitrate.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) ``V4L2_CID_MPEG_VIDEO_CONSTANT_QUALITY (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) Constant quality level control. This control is applicable when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) ``V4L2_CID_MPEG_VIDEO_BITRATE_MODE`` value is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) ``V4L2_MPEG_VIDEO_BITRATE_MODE_CQ``. Valid range is 1 to 100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) where 1 indicates lowest quality and 100 indicates highest quality.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) Encoder will decide the appropriate quantization parameter and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) bitrate to produce requested frame quality.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) ``V4L2_CID_MPEG_VIDEO_FRAME_SKIP_MODE (enum)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) enum v4l2_mpeg_video_frame_skip_mode -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) Indicates in what conditions the encoder should skip frames. If
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) encoding a frame would cause the encoded stream to be larger then a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) chosen data limit then the frame will be skipped. Possible values
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) .. tabularcolumns:: |p{9.2cm}|p{8.3cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) \small
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) * - ``V4L2_MPEG_FRAME_SKIP_MODE_DISABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) - Frame skip mode is disabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) * - ``V4L2_MPEG_FRAME_SKIP_MODE_LEVEL_LIMIT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) - Frame skip mode enabled and buffer limit is set by the chosen
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) level and is defined by the standard.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) * - ``V4L2_MPEG_FRAME_SKIP_MODE_BUF_LIMIT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) - Frame skip mode enabled and buffer limit is set by the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) :ref:`VBV (MPEG1/2/4) <v4l2-mpeg-video-vbv-size>` or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) :ref:`CPB (H264) buffer size <v4l2-mpeg-video-h264-cpb-size>` control.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) \normalsize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) ``V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) For every captured frame, skip this many subsequent frames (default
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) 0).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) ``V4L2_CID_MPEG_VIDEO_MUTE (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) "Mutes" the video to a fixed color when capturing. This is useful
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) for testing, to produce a fixed video bitstream. 0 = unmuted, 1 =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) muted.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) ``V4L2_CID_MPEG_VIDEO_MUTE_YUV (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) Sets the "mute" color of the video. The supplied 32-bit integer is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) interpreted as follows (bit 0 = least significant bit):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) * - Bit 0:7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) - V chrominance information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) * - Bit 8:15
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) - U chrominance information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) * - Bit 16:23
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) - Y luminance information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) * - Bit 24:31
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) - Must be zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) .. _v4l2-mpeg-video-dec-pts:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) ``V4L2_CID_MPEG_VIDEO_DEC_PTS (integer64)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) This read-only control returns the 33-bit video Presentation Time
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) Stamp as defined in ITU T-REC-H.222.0 and ISO/IEC 13818-1 of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) currently displayed frame. This is the same PTS as is used in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) :ref:`VIDIOC_DECODER_CMD`.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) .. _v4l2-mpeg-video-dec-frame:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) ``V4L2_CID_MPEG_VIDEO_DEC_FRAME (integer64)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) This read-only control returns the frame counter of the frame that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) is currently displayed (decoded). This value is reset to 0 whenever
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) the decoder is started.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) ``V4L2_CID_MPEG_VIDEO_DEC_CONCEAL_COLOR (integer64)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) This control sets the conceal color in YUV color space. It describes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) the client preference of the error conceal color in case of an error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) where the reference frame is missing. The decoder should fill the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) reference buffer with the preferred color and use it for future
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) decoding. The control is using 16 bits per channel.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) Applicable to decoders.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) * -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) - 8bit format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) - 10bit format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) - 12bit format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) * - Y luminance
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) - Bit 0:7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) - Bit 0:9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) - Bit 0:11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) * - Cb chrominance
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) - Bit 16:23
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) - Bit 16:25
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) - Bit 16:27
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) * - Cr chrominance
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) - Bit 32:39
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) - Bit 32:41
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) - Bit 32:43
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) * - Must be zero
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) - Bit 48:63
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) - Bit 48:63
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) - Bit 48:63
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) ``V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) If enabled the decoder expects to receive a single slice per buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) otherwise the decoder expects a single frame in per buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) Applicable to the decoder, all codecs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) ``V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) If the display delay is enabled then the decoder is forced to return
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) a CAPTURE buffer (decoded frame) after processing a certain number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) of OUTPUT buffers. The delay can be set through
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) ``V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY``. This
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) feature can be used for example for generating thumbnails of videos.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) Applicable to the decoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) ``V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) Display delay value for decoder. The decoder is forced to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) return a decoded frame after the set 'display delay' number of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) frames. If this number is low it may result in frames returned out
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) of display order, in addition the hardware may still be using the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) returned buffer as a reference picture for subsequent frames.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) ``V4L2_CID_MPEG_VIDEO_AU_DELIMITER (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) If enabled then, AUD (Access Unit Delimiter) NALUs will be generated.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) That could be useful to find the start of a frame without having to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) fully parse each NALU. Applicable to the H264 and HEVC encoders.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) ``V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) Enable writing sample aspect ratio in the Video Usability
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) Information. Applicable to the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) .. _v4l2-mpeg-video-h264-vui-sar-idc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) ``V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) enum v4l2_mpeg_video_h264_vui_sar_idc -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) VUI sample aspect ratio indicator for H.264 encoding. The value is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) defined in the table E-1 in the standard. Applicable to the H264
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_UNSPECIFIED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) - Unspecified
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_1x1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) - 1x1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_12x11``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) - 12x11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_10x11``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) - 10x11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_16x11``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) - 16x11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_40x33``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) - 40x33
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_24x11``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) - 24x11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_20x11``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) - 20x11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_32x11``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) - 32x11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_80x33``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) - 80x33
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_18x11``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) - 18x11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_15x11``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) - 15x11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_64x33``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) - 64x33
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_160x99``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) - 160x99
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_4x3``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) - 4x3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_3x2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) - 3x2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_2x1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) - 2x1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) * - ``V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_EXTENDED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) - Extended SAR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) ``V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_WIDTH (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) Extended sample aspect ratio width for H.264 VUI encoding.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) Applicable to the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) ``V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_HEIGHT (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) Extended sample aspect ratio height for H.264 VUI encoding.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) Applicable to the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) .. _v4l2-mpeg-video-h264-level:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) ``V4L2_CID_MPEG_VIDEO_H264_LEVEL``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) enum v4l2_mpeg_video_h264_level -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) The level information for the H264 video elementary stream.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) Applicable to the H264 encoder. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_1_0``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) - Level 1.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_1B``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) - Level 1B
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_1_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) - Level 1.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_1_2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) - Level 1.2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_1_3``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) - Level 1.3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_2_0``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) - Level 2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_2_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) - Level 2.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_2_2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) - Level 2.2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_3_0``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) - Level 3.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_3_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) - Level 3.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_3_2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) - Level 3.2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_4_0``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) - Level 4.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_4_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) - Level 4.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_4_2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) - Level 4.2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_5_0``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) - Level 5.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_5_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848) - Level 5.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_5_2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) - Level 5.2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_6_0``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) - Level 6.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_6_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) - Level 6.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) * - ``V4L2_MPEG_VIDEO_H264_LEVEL_6_2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) - Level 6.2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) .. _v4l2-mpeg-video-mpeg2-level:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) ``V4L2_CID_MPEG_VIDEO_MPEG2_LEVEL``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) enum v4l2_mpeg_video_mpeg2_level -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) The level information for the MPEG2 elementary stream. Applicable to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) MPEG2 codecs. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) * - ``V4L2_MPEG_VIDEO_MPEG2_LEVEL_LOW``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) - Low Level (LL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) * - ``V4L2_MPEG_VIDEO_MPEG2_LEVEL_MAIN``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) - Main Level (ML)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) * - ``V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH_1440``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) - High-1440 Level (H-14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) * - ``V4L2_MPEG_VIDEO_MPEG2_LEVEL_HIGH``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) - High Level (HL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) .. _v4l2-mpeg-video-mpeg4-level:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) ``V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) enum v4l2_mpeg_video_mpeg4_level -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) The level information for the MPEG4 elementary stream. Applicable to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) the MPEG4 encoder. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) * - ``V4L2_MPEG_VIDEO_MPEG4_LEVEL_0``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) - Level 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) * - ``V4L2_MPEG_VIDEO_MPEG4_LEVEL_0B``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) - Level 0b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) * - ``V4L2_MPEG_VIDEO_MPEG4_LEVEL_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) - Level 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) * - ``V4L2_MPEG_VIDEO_MPEG4_LEVEL_2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) - Level 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) * - ``V4L2_MPEG_VIDEO_MPEG4_LEVEL_3``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) - Level 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) * - ``V4L2_MPEG_VIDEO_MPEG4_LEVEL_3B``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) - Level 3b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) * - ``V4L2_MPEG_VIDEO_MPEG4_LEVEL_4``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) - Level 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) * - ``V4L2_MPEG_VIDEO_MPEG4_LEVEL_5``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) - Level 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) .. _v4l2-mpeg-video-h264-profile:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) ``V4L2_CID_MPEG_VIDEO_H264_PROFILE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) enum v4l2_mpeg_video_h264_profile -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) The profile information for H264. Applicable to the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) * - ``V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) - Baseline profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) * - ``V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) - Constrained Baseline profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) * - ``V4L2_MPEG_VIDEO_H264_PROFILE_MAIN``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) - Main profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) * - ``V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) - Extended profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) * - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) - High profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) * - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) - High 10 profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) * - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) - High 422 profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) * - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_PREDICTIVE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) - High 444 Predictive profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) * - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10_INTRA``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) - High 10 Intra profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) * - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422_INTRA``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) - High 422 Intra profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) * - ``V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_INTRA``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) - High 444 Intra profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) * - ``V4L2_MPEG_VIDEO_H264_PROFILE_CAVLC_444_INTRA``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) - CAVLC 444 Intra profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) * - ``V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_BASELINE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) - Scalable Baseline profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) * - ``V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) - Scalable High profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) * - ``V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH_INTRA``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) - Scalable High Intra profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) * - ``V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) - Stereo High profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) * - ``V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) - Multiview High profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) * - ``V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_HIGH``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) - Constrained High profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) .. _v4l2-mpeg-video-mpeg2-profile:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) ``V4L2_CID_MPEG_VIDEO_MPEG2_PROFILE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) enum v4l2_mpeg_video_mpeg2_profile -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) The profile information for MPEG2. Applicable to MPEG2 codecs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) * - ``V4L2_MPEG_VIDEO_MPEG2_PROFILE_SIMPLE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) - Simple profile (SP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) * - ``V4L2_MPEG_VIDEO_MPEG2_PROFILE_MAIN``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) - Main profile (MP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) * - ``V4L2_MPEG_VIDEO_MPEG2_PROFILE_SNR_SCALABLE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) - SNR Scalable profile (SNR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) * - ``V4L2_MPEG_VIDEO_MPEG2_PROFILE_SPATIALLY_SCALABLE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) - Spatially Scalable profile (Spt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) * - ``V4L2_MPEG_VIDEO_MPEG2_PROFILE_HIGH``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) - High profile (HP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) * - ``V4L2_MPEG_VIDEO_MPEG2_PROFILE_MULTIVIEW``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) - Multi-view profile (MVP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) .. _v4l2-mpeg-video-mpeg4-profile:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) ``V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) enum v4l2_mpeg_video_mpeg4_profile -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) The profile information for MPEG4. Applicable to the MPEG4 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) * - ``V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) - Simple profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) * - ``V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_SIMPLE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) - Advanced Simple profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) * - ``V4L2_MPEG_VIDEO_MPEG4_PROFILE_CORE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) - Core profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) * - ``V4L2_MPEG_VIDEO_MPEG4_PROFILE_SIMPLE_SCALABLE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) - Simple Scalable profile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) * - ``V4L2_MPEG_VIDEO_MPEG4_PROFILE_ADVANCED_CODING_EFFICIENCY``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) ``V4L2_CID_MPEG_VIDEO_MAX_REF_PIC (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) The maximum number of reference pictures used for encoding.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) Applicable to the encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) .. _v4l2-mpeg-video-multi-slice-mode:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) ``V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) enum v4l2_mpeg_video_multi_slice_mode -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) Determines how the encoder should handle division of frame into
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) slices. Applicable to the encoder. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) .. tabularcolumns:: |p{9.6cm}|p{7.9cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) * - ``V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) - Single slice per frame.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) * - ``V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_MB``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) - Multiple slices with set maximum number of macroblocks per slice.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) * - ``V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) - Multiple slice with set maximum size in bytes per slice.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) ``V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) The maximum number of macroblocks in a slice. Used when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) ``V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE`` is set to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) ``V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_MB``. Applicable to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) ``V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) The maximum size of a slice in bytes. Used when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) ``V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE`` is set to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) ``V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES``. Applicable to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) .. _v4l2-mpeg-video-h264-loop-filter-mode:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) ``V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) enum v4l2_mpeg_video_h264_loop_filter_mode -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) Loop filter mode for H264 encoder. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) \small
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) .. tabularcolumns:: |p{13.6cm}|p{3.9cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) * - ``V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) - Loop filter is enabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) * - ``V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) - Loop filter is disabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) * - ``V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) - Loop filter is disabled at the slice boundary.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) \normalsize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) ``V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) Loop filter alpha coefficient, defined in the H264 standard.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) This value corresponds to the slice_alpha_c0_offset_div2 slice header
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) field, and should be in the range of -6 to +6, inclusive. The actual alpha
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) offset FilterOffsetA is twice this value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) Applicable to the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) ``V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) Loop filter beta coefficient, defined in the H264 standard.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) This corresponds to the slice_beta_offset_div2 slice header field, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) should be in the range of -6 to +6, inclusive. The actual beta offset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) FilterOffsetB is twice this value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) Applicable to the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) .. _v4l2-mpeg-video-h264-entropy-mode:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) ``V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) enum v4l2_mpeg_video_h264_entropy_mode -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) Entropy coding mode for H264 - CABAC/CAVALC. Applicable to the H264
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) encoder. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) .. tabularcolumns:: |p{9.0cm}|p{8.5cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) * - ``V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) - Use CAVLC entropy coding.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) * - ``V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) - Use CABAC entropy coding.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) ``V4L2_CID_MPEG_VIDEO_H264_8X8_TRANSFORM (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) Enable 8X8 transform for H264. Applicable to the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) ``V4L2_CID_MPEG_VIDEO_H264_CONSTRAINED_INTRA_PREDICTION (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) Enable constrained intra prediction for H264. Applicable to the H264
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) ``V4L2_CID_MPEG_VIDEO_H264_CHROMA_QP_INDEX_OFFSET (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) Specify the offset that should be added to the luma quantization
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) parameter to determine the chroma quantization parameter. Applicable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) to the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) ``V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) Cyclic intra macroblock refresh. This is the number of continuous
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) macroblocks refreshed every frame. Each frame a successive set of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) macroblocks is refreshed until the cycle completes and starts from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) the top of the frame. Applicable to H264, H263 and MPEG4 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) ``V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) Frame level rate control enable. If this control is disabled then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) the quantization parameter for each frame type is constant and set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) with appropriate controls (e.g.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) ``V4L2_CID_MPEG_VIDEO_H263_I_FRAME_QP``). If frame rate control is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) enabled then quantization parameter is adjusted to meet the chosen
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) bitrate. Minimum and maximum value for the quantization parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) can be set with appropriate controls (e.g.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) ``V4L2_CID_MPEG_VIDEO_H263_MIN_QP``). Applicable to encoders.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) ``V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) Macroblock level rate control enable. Applicable to the MPEG4 and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) H264 encoders.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) ``V4L2_CID_MPEG_VIDEO_MPEG4_QPEL (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) Quarter pixel motion estimation for MPEG4. Applicable to the MPEG4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) ``V4L2_CID_MPEG_VIDEO_H263_I_FRAME_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) Quantization parameter for an I frame for H263. Valid range: from 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) to 31.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) ``V4L2_CID_MPEG_VIDEO_H263_MIN_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) Minimum quantization parameter for H263. Valid range: from 1 to 31.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) ``V4L2_CID_MPEG_VIDEO_H263_MAX_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) Maximum quantization parameter for H263. Valid range: from 1 to 31.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) ``V4L2_CID_MPEG_VIDEO_H263_P_FRAME_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) Quantization parameter for an P frame for H263. Valid range: from 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) to 31.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) ``V4L2_CID_MPEG_VIDEO_H263_B_FRAME_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) Quantization parameter for an B frame for H263. Valid range: from 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) to 31.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) ``V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) Quantization parameter for an I frame for H264. Valid range: from 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) to 51.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) ``V4L2_CID_MPEG_VIDEO_H264_MIN_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) Minimum quantization parameter for H264. Valid range: from 0 to 51.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) ``V4L2_CID_MPEG_VIDEO_H264_MAX_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) Maximum quantization parameter for H264. Valid range: from 0 to 51.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) ``V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) Quantization parameter for an P frame for H264. Valid range: from 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) to 51.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) ``V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) Quantization parameter for an B frame for H264. Valid range: from 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) to 51.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) ``V4L2_CID_MPEG_VIDEO_H264_I_FRAME_MIN_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) Minimum quantization parameter for the H264 I frame to limit I frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) quality to a range. Valid range: from 0 to 51. If
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) V4L2_CID_MPEG_VIDEO_H264_MIN_QP is also set, the quantization parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) should be chosen to meet both requirements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) ``V4L2_CID_MPEG_VIDEO_H264_I_FRAME_MAX_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) Maximum quantization parameter for the H264 I frame to limit I frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) quality to a range. Valid range: from 0 to 51. If
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) V4L2_CID_MPEG_VIDEO_H264_MAX_QP is also set, the quantization parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) should be chosen to meet both requirements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) ``V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MIN_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) Minimum quantization parameter for the H264 P frame to limit P frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) quality to a range. Valid range: from 0 to 51. If
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) V4L2_CID_MPEG_VIDEO_H264_MIN_QP is also set, the quantization parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) should be chosen to meet both requirements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) ``V4L2_CID_MPEG_VIDEO_H264_P_FRAME_MAX_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) Maximum quantization parameter for the H264 P frame to limit P frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) quality to a range. Valid range: from 0 to 51. If
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) V4L2_CID_MPEG_VIDEO_H264_MAX_QP is also set, the quantization parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) should be chosen to meet both requirements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) ``V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MIN_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) Minimum quantization parameter for the H264 B frame to limit B frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) quality to a range. Valid range: from 0 to 51. If
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) V4L2_CID_MPEG_VIDEO_H264_MIN_QP is also set, the quantization parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) should be chosen to meet both requirements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) ``V4L2_CID_MPEG_VIDEO_H264_B_FRAME_MAX_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) Maximum quantization parameter for the H264 B frame to limit B frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) quality to a range. Valid range: from 0 to 51. If
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) V4L2_CID_MPEG_VIDEO_H264_MAX_QP is also set, the quantization parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) should be chosen to meet both requirements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) ``V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) Quantization parameter for an I frame for MPEG4. Valid range: from 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) to 31.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) ``V4L2_CID_MPEG_VIDEO_MPEG4_MIN_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) Minimum quantization parameter for MPEG4. Valid range: from 1 to 31.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) ``V4L2_CID_MPEG_VIDEO_MPEG4_MAX_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) Maximum quantization parameter for MPEG4. Valid range: from 1 to 31.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) ``V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) Quantization parameter for an P frame for MPEG4. Valid range: from 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) to 31.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) ``V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) Quantization parameter for an B frame for MPEG4. Valid range: from 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) to 31.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) .. _v4l2-mpeg-video-vbv-size:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) ``V4L2_CID_MPEG_VIDEO_VBV_SIZE (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) The Video Buffer Verifier size in kilobytes, it is used as a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) limitation of frame skip. The VBV is defined in the standard as a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) mean to verify that the produced stream will be successfully
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) decoded. The standard describes it as "Part of a hypothetical
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) decoder that is conceptually connected to the output of the encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) Its purpose is to provide a constraint on the variability of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) data rate that an encoder or editing process may produce.".
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) Applicable to the MPEG1, MPEG2, MPEG4 encoders.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) .. _v4l2-mpeg-video-vbv-delay:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) ``V4L2_CID_MPEG_VIDEO_VBV_DELAY (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) Sets the initial delay in milliseconds for VBV buffer control.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) .. _v4l2-mpeg-video-hor-search-range:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) ``V4L2_CID_MPEG_VIDEO_MV_H_SEARCH_RANGE (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) Horizontal search range defines maximum horizontal search area in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) pixels to search and match for the present Macroblock (MB) in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) reference picture. This V4L2 control macro is used to set horizontal
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) search range for motion estimation module in video encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) .. _v4l2-mpeg-video-vert-search-range:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) ``V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) Vertical search range defines maximum vertical search area in pixels
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) to search and match for the present Macroblock (MB) in the reference
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) picture. This V4L2 control macro is used to set vertical search
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) range for motion estimation module in video encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) .. _v4l2-mpeg-video-force-key-frame:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) ``V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME (button)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) Force a key frame for the next queued buffer. Applicable to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) encoders. This is a general, codec-agnostic keyframe control.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) .. _v4l2-mpeg-video-h264-cpb-size:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) ``V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) The Coded Picture Buffer size in kilobytes, it is used as a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) limitation of frame skip. The CPB is defined in the H264 standard as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) a mean to verify that the produced stream will be successfully
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) decoded. Applicable to the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) ``V4L2_CID_MPEG_VIDEO_H264_I_PERIOD (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) Period between I-frames in the open GOP for H264. In case of an open
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) GOP this is the period between two I-frames. The period between IDR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) (Instantaneous Decoding Refresh) frames is taken from the GOP_SIZE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) control. An IDR frame, which stands for Instantaneous Decoding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) Refresh is an I-frame after which no prior frames are referenced.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) This means that a stream can be restarted from an IDR frame without
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) the need to store or decode any previous frames. Applicable to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) .. _v4l2-mpeg-video-header-mode:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) ``V4L2_CID_MPEG_VIDEO_HEADER_MODE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) enum v4l2_mpeg_video_header_mode -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) Determines whether the header is returned as the first buffer or is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) it returned together with the first frame. Applicable to encoders.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) \small
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) .. tabularcolumns:: |p{10.3cm}|p{7.2cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) * - ``V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) - The stream header is returned separately in the first buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) * - ``V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) - The stream header is returned together with the first encoded
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) frame.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) \normalsize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) ``V4L2_CID_MPEG_VIDEO_REPEAT_SEQ_HEADER (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) Repeat the video sequence headers. Repeating these headers makes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) random access to the video stream easier. Applicable to the MPEG1, 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) and 4 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) ``V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) Enabled the deblocking post processing filter for MPEG4 decoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) Applicable to the MPEG4 decoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) ``V4L2_CID_MPEG_VIDEO_MPEG4_VOP_TIME_RES (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) vop_time_increment_resolution value for MPEG4. Applicable to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) MPEG4 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) ``V4L2_CID_MPEG_VIDEO_MPEG4_VOP_TIME_INC (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) vop_time_increment value for MPEG4. Applicable to the MPEG4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) ``V4L2_CID_MPEG_VIDEO_H264_SEI_FRAME_PACKING (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) Enable generation of frame packing supplemental enhancement
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) information in the encoded bitstream. The frame packing SEI message
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) contains the arrangement of L and R planes for 3D viewing.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) Applicable to the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) ``V4L2_CID_MPEG_VIDEO_H264_SEI_FP_CURRENT_FRAME_0 (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) Sets current frame as frame0 in frame packing SEI. Applicable to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) .. _v4l2-mpeg-video-h264-sei-fp-arrangement-type:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) ``V4L2_CID_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) enum v4l2_mpeg_video_h264_sei_fp_arrangement_type -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) Frame packing arrangement type for H264 SEI. Applicable to the H264
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) encoder. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) \small
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) .. tabularcolumns:: |p{12cm}|p{5.5cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) * - ``V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_CHEKERBOARD``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) - Pixels are alternatively from L and R.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) * - ``V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_COLUMN``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) - L and R are interlaced by column.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) * - ``V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_ROW``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) - L and R are interlaced by row.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) * - ``V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_SIDE_BY_SIDE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) - L is on the left, R on the right.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) * - ``V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_TOP_BOTTOM``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) - L is on top, R on bottom.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) * - ``V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_TEMPORAL``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) - One view per frame.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) \normalsize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) ``V4L2_CID_MPEG_VIDEO_H264_FMO (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) Enables flexible macroblock ordering in the encoded bitstream. It is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) a technique used for restructuring the ordering of macroblocks in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) pictures. Applicable to the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) .. _v4l2-mpeg-video-h264-fmo-map-type:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) ``V4L2_CID_MPEG_VIDEO_H264_FMO_MAP_TYPE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) enum v4l2_mpeg_video_h264_fmo_map_type -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) When using FMO, the map type divides the image in different scan
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) patterns of macroblocks. Applicable to the H264 encoder. Possible
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) \small
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) .. tabularcolumns:: |p{12.5cm}|p{5.0cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) * - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_INTERLEAVED_SLICES``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) - Slices are interleaved one after other with macroblocks in run
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) length order.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) * - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_SCATTERED_SLICES``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) - Scatters the macroblocks based on a mathematical function known to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) both encoder and decoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) * - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_FOREGROUND_WITH_LEFT_OVER``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) - Macroblocks arranged in rectangular areas or regions of interest.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) * - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_BOX_OUT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) - Slice groups grow in a cyclic way from centre to outwards.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) * - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_RASTER_SCAN``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) - Slice groups grow in raster scan pattern from left to right.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) * - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_WIPE_SCAN``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) - Slice groups grow in wipe scan pattern from top to bottom.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) * - ``V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_EXPLICIT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) - User defined map type.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) \normalsize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) ``V4L2_CID_MPEG_VIDEO_H264_FMO_SLICE_GROUP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) Number of slice groups in FMO. Applicable to the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) .. _v4l2-mpeg-video-h264-fmo-change-direction:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) ``V4L2_CID_MPEG_VIDEO_H264_FMO_CHANGE_DIRECTION``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) enum v4l2_mpeg_video_h264_fmo_change_dir -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) Specifies a direction of the slice group change for raster and wipe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) maps. Applicable to the H264 encoder. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) * - ``V4L2_MPEG_VIDEO_H264_FMO_CHANGE_DIR_RIGHT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) - Raster scan or wipe right.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) * - ``V4L2_MPEG_VIDEO_H264_FMO_CHANGE_DIR_LEFT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) - Reverse raster scan or wipe left.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) ``V4L2_CID_MPEG_VIDEO_H264_FMO_CHANGE_RATE (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) Specifies the size of the first slice group for raster and wipe map.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) Applicable to the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) ``V4L2_CID_MPEG_VIDEO_H264_FMO_RUN_LENGTH (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) Specifies the number of consecutive macroblocks for the interleaved
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) map. Applicable to the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) ``V4L2_CID_MPEG_VIDEO_H264_ASO (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) Enables arbitrary slice ordering in encoded bitstream. Applicable to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) ``V4L2_CID_MPEG_VIDEO_H264_ASO_SLICE_ORDER (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) Specifies the slice order in ASO. Applicable to the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) The supplied 32-bit integer is interpreted as follows (bit 0 = least
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) significant bit):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) * - Bit 0:15
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) - Slice ID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) * - Bit 16:32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) - Slice position or order
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) ``V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) Enables H264 hierarchical coding. Applicable to the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) .. _v4l2-mpeg-video-h264-hierarchical-coding-type:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) ``V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_TYPE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) enum v4l2_mpeg_video_h264_hierarchical_coding_type -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) Specifies the hierarchical coding type. Applicable to the H264
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) encoder. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) * - ``V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_B``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) - Hierarchical B coding.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) * - ``V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) - Hierarchical P coding.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) ``V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) Specifies the number of hierarchical coding layers. Applicable to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) ``V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) Specifies a user defined QP for each layer. Applicable to the H264
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) encoder. The supplied 32-bit integer is interpreted as follows (bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) 0 = least significant bit):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) * - Bit 0:15
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) - QP value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) * - Bit 16:32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) - Layer number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) ``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L0_BR (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) Indicates bit rate (bps) for hierarchical coding layer 0 for H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) ``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L1_BR (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) Indicates bit rate (bps) for hierarchical coding layer 1 for H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) ``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L2_BR (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) Indicates bit rate (bps) for hierarchical coding layer 2 for H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) ``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L3_BR (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) Indicates bit rate (bps) for hierarchical coding layer 3 for H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) ``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L4_BR (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) Indicates bit rate (bps) for hierarchical coding layer 4 for H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) ``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L5_BR (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) Indicates bit rate (bps) for hierarchical coding layer 5 for H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) ``V4L2_CID_MPEG_VIDEO_H264_HIER_CODING_L6_BR (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) Indicates bit rate (bps) for hierarchical coding layer 6 for H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) .. _v4l2-mpeg-h264:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) ``V4L2_CID_MPEG_VIDEO_H264_SPS (struct)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) Specifies the sequence parameter set (as extracted from the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) bitstream) for the associated H264 slice data. This includes the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) necessary parameters for configuring a stateless hardware decoding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) pipeline for H264. The bitstream parameters are defined according
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) to :ref:`h264`, section 7.4.2.1.1 "Sequence Parameter Set Data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) Semantics". For further documentation, refer to the above
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) specification, unless there is an explicit comment stating
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) otherwise.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) This compound control is not yet part of the public kernel API and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) it is expected to change.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) .. c:type:: v4l2_ctrl_h264_sps
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) .. flat-table:: struct v4l2_ctrl_h264_sps
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) - ``profile_idc``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) - ``constraint_set_flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) - See :ref:`Sequence Parameter Set Constraints Set Flags <h264_sps_constraints_set_flags>`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) - ``level_idc``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) - ``seq_parameter_set_id``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) - ``chroma_format_idc``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) - ``bit_depth_luma_minus8``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) - ``bit_depth_chroma_minus8``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) - ``log2_max_frame_num_minus4``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) - ``pic_order_cnt_type``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) - ``log2_max_pic_order_cnt_lsb_minus4``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) - ``max_num_ref_frames``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) - ``num_ref_frames_in_pic_order_cnt_cycle``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) * - __s32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653) - ``offset_for_ref_frame[255]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) * - __s32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) - ``offset_for_non_ref_pic``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) * - __s32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) - ``offset_for_top_to_bottom_field``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) - ``pic_width_in_mbs_minus1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) - ``pic_height_in_map_units_minus1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) - ``flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) - See :ref:`Sequence Parameter Set Flags <h264_sps_flags>`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) .. _h264_sps_constraints_set_flags:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) ``Sequence Parameter Set Constraints Set Flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) * - ``V4L2_H264_SPS_CONSTRAINT_SET0_FLAG``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) - 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) * - ``V4L2_H264_SPS_CONSTRAINT_SET1_FLAG``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) - 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) * - ``V4L2_H264_SPS_CONSTRAINT_SET2_FLAG``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) - 0x00000004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) * - ``V4L2_H264_SPS_CONSTRAINT_SET3_FLAG``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) - 0x00000008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) * - ``V4L2_H264_SPS_CONSTRAINT_SET4_FLAG``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) - 0x00000010
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) * - ``V4L2_H264_SPS_CONSTRAINT_SET5_FLAG``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) - 0x00000020
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) .. _h264_sps_flags:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) ``Sequence Parameter Set Flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) * - ``V4L2_H264_SPS_FLAG_SEPARATE_COLOUR_PLANE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) - 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) * - ``V4L2_H264_SPS_FLAG_QPPRIME_Y_ZERO_TRANSFORM_BYPASS``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) - 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) * - ``V4L2_H264_SPS_FLAG_DELTA_PIC_ORDER_ALWAYS_ZERO``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) - 0x00000004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721) * - ``V4L2_H264_SPS_FLAG_GAPS_IN_FRAME_NUM_VALUE_ALLOWED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) - 0x00000008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) * - ``V4L2_H264_SPS_FLAG_FRAME_MBS_ONLY``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) - 0x00000010
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) * - ``V4L2_H264_SPS_FLAG_MB_ADAPTIVE_FRAME_FIELD``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) - 0x00000020
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) * - ``V4L2_H264_SPS_FLAG_DIRECT_8X8_INFERENCE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) - 0x00000040
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) ``V4L2_CID_MPEG_VIDEO_H264_PPS (struct)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) Specifies the picture parameter set (as extracted from the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) bitstream) for the associated H264 slice data. This includes the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) necessary parameters for configuring a stateless hardware decoding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) pipeline for H264. The bitstream parameters are defined according
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) to :ref:`h264`, section 7.4.2.2 "Picture Parameter Set RBSP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) Semantics". For further documentation, refer to the above
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) specification, unless there is an explicit comment stating
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) otherwise.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) This compound control is not yet part of the public kernel API and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) it is expected to change.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) .. c:type:: v4l2_ctrl_h264_pps
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) .. flat-table:: struct v4l2_ctrl_h264_pps
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) - ``pic_parameter_set_id``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) - ``seq_parameter_set_id``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) - ``num_slice_groups_minus1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) - ``num_ref_idx_l0_default_active_minus1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) - ``num_ref_idx_l1_default_active_minus1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) - ``weighted_bipred_idc``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) - ``pic_init_qp_minus26``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) - ``pic_init_qs_minus26``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) - ``chroma_qp_index_offset``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) - ``second_chroma_qp_index_offset``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) - ``flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) - See :ref:`Picture Parameter Set Flags <h264_pps_flags>`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792) .. _h264_pps_flags:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) ``Picture Parameter Set Flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) * - ``V4L2_H264_PPS_FLAG_ENTROPY_CODING_MODE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) - 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) * - ``V4L2_H264_PPS_FLAG_BOTTOM_FIELD_PIC_ORDER_IN_FRAME_PRESENT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) - 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809) * - ``V4L2_H264_PPS_FLAG_WEIGHTED_PRED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) - 0x00000004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) * - ``V4L2_H264_PPS_FLAG_DEBLOCKING_FILTER_CONTROL_PRESENT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) - 0x00000008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) * - ``V4L2_H264_PPS_FLAG_CONSTRAINED_INTRA_PRED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) - 0x00000010
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) * - ``V4L2_H264_PPS_FLAG_REDUNDANT_PIC_CNT_PRESENT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819) - 0x00000020
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821) * - ``V4L2_H264_PPS_FLAG_TRANSFORM_8X8_MODE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) - 0x00000040
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824) * - ``V4L2_H264_PPS_FLAG_SCALING_MATRIX_PRESENT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) - 0x00000080
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) - Indicates that ``V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) must be used for this picture.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) ``V4L2_CID_MPEG_VIDEO_H264_SCALING_MATRIX (struct)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) Specifies the scaling matrix (as extracted from the bitstream) for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) the associated H264 slice data. The bitstream parameters are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) defined according to :ref:`h264`, section 7.4.2.1.1.1 "Scaling
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) List Semantics". For further documentation, refer to the above
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834) specification, unless there is an explicit comment stating
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) otherwise.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) This compound control is not yet part of the public kernel API and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) it is expected to change.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842) .. c:type:: v4l2_ctrl_h264_scaling_matrix
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) .. flat-table:: struct v4l2_ctrl_h264_scaling_matrix
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852) - ``scaling_list_4x4[6][16]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) - Scaling matrix after applying the inverse scanning process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) Expected list order is Intra Y, Intra Cb, Intra Cr, Inter Y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855) Inter Cb, Inter Cr. The values on each scaling list are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) expected in raster scan order.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) - ``scaling_list_8x8[6][64]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) - Scaling matrix after applying the inverse scanning process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) Expected list order is Intra Y, Inter Y, Intra Cb, Inter Cb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) Intra Cr, Inter Cr. The values on each scaling list are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) expected in raster scan order.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) ``V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS (struct)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) Specifies the slice parameters (as extracted from the bitstream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) for the associated H264 slice data. This includes the necessary
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) parameters for configuring a stateless hardware decoding pipeline
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) for H264. The bitstream parameters are defined according to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) :ref:`h264`, section 7.4.3 "Slice Header Semantics". For further
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870) documentation, refer to the above specification, unless there is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) an explicit comment stating otherwise.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875) This compound control is not yet part of the public kernel API
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) and it is expected to change.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) .. c:type:: v4l2_ctrl_h264_slice_params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) .. flat-table:: struct v4l2_ctrl_h264_slice_params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888) - ``header_bit_size``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889) - Offset in bits to slice_data() from the beginning of this slice.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891) - ``first_mb_in_slice``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) - ``slice_type``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897) - ``colour_plane_id``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900) - ``redundant_pic_cnt``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903) - ``cabac_init_idc``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906) - ``slice_qp_delta``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909) - ``slice_qs_delta``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) - ``disable_deblocking_filter_idc``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915) - ``slice_alpha_c0_offset_div2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918) - ``slice_beta_offset_div2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921) - ``num_ref_idx_l0_active_minus1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922) - If num_ref_idx_active_override_flag is not set, this field must be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923) set to the value of num_ref_idx_l0_default_active_minus1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925) - ``num_ref_idx_l1_active_minus1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926) - If num_ref_idx_active_override_flag is not set, this field must be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927) set to the value of num_ref_idx_l1_default_active_minus1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929) - ``reserved``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930) - Applications and drivers must set this to zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931) * - struct :c:type:`v4l2_h264_reference`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932) - ``ref_pic_list0[32]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933) - Reference picture list after applying the per-slice modifications
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934) * - struct :c:type:`v4l2_h264_reference`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) - ``ref_pic_list1[32]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936) - Reference picture list after applying the per-slice modifications
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938) - ``flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939) - See :ref:`Slice Parameter Flags <h264_slice_flags>`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941) .. _h264_slice_flags:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943) ``Slice Parameter Set Flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952) * - ``V4L2_H264_SLICE_FLAG_DIRECT_SPATIAL_MV_PRED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) - 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955) * - ``V4L2_H264_SLICE_FLAG_SP_FOR_SWITCH``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956) - 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959) ``V4L2_CID_MPEG_VIDEO_H264_PRED_WEIGHTS (struct)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) Prediction weight table defined according to :ref:`h264`,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961) section 7.4.3.2 "Prediction Weight Table Semantics".
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) The prediction weight table must be passed by applications
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1963) under the conditions explained in section 7.3.3 "Slice header
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1964) syntax".
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1965)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968) This compound control is not yet part of the public kernel API and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969) it is expected to change.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971) .. c:type:: v4l2_ctrl_h264_pred_weights
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) .. flat-table:: struct v4l2_ctrl_h264_pred_weights
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981) - ``luma_log2_weight_denom``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984) - ``chroma_log2_weight_denom``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986) * - struct :c:type:`v4l2_h264_weight_factors`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987) - ``weight_factors[2]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988) - The weight factors at index 0 are the weight factors for the reference
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) list 0, the one at index 1 for the reference list 1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991) .. c:type:: v4l2_h264_weight_factors
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995) .. flat-table:: struct v4l2_h264_weight_factors
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1998) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1999)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2000) * - __s16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2001) - ``luma_weight[32]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2002) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2003) * - __s16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2004) - ``luma_offset[32]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2005) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2006) * - __s16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2007) - ``chroma_weight[32][2]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2008) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2009) * - __s16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2010) - ``chroma_offset[32][2]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2011) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2012)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2013) ``Picture Reference``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2014)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2015) .. c:type:: v4l2_h264_reference
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2016)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2017) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2018)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2019) .. flat-table:: struct v4l2_h264_reference
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2020) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2021) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2022) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2023)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2024) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2025) - ``fields``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2026) - Specifies how the picture is referenced. See :ref:`Reference Fields <h264_ref_fields>`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2027) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2028) - ``index``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2029) - Index into the :c:type:`v4l2_ctrl_h264_decode_params`.dpb array.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2030)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2031) .. _h264_ref_fields:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2032)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2033) ``Reference Fields``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2034)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2035) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2036)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2037) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2038) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2039) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2040) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2041)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2042) * - ``V4L2_H264_TOP_FIELD_REF``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2043) - 0x1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2044) - The top field in field pair is used for short-term reference.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2045) * - ``V4L2_H264_BOTTOM_FIELD_REF``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2046) - 0x2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2047) - The bottom field in field pair is used for short-term reference.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2048) * - ``V4L2_H264_FRAME_REF``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2049) - 0x3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2050) - The frame (or the top/bottom fields, if it's a field pair)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2051) is used for short-term reference.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2052)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2053) ``V4L2_CID_MPEG_VIDEO_H264_DECODE_PARAMS (struct)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2054) Specifies the decode parameters (as extracted from the bitstream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2055) for the associated H264 slice data. This includes the necessary
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2056) parameters for configuring a stateless hardware decoding pipeline
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2057) for H264. The bitstream parameters are defined according to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2058) :ref:`h264`. For further documentation, refer to the above
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2059) specification, unless there is an explicit comment stating
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2060) otherwise.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2061)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2062) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2063)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2064) This compound control is not yet part of the public kernel API and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2065) it is expected to change.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2066)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2067) .. c:type:: v4l2_ctrl_h264_decode_params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2068)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2069) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2070)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2071) .. flat-table:: struct v4l2_ctrl_h264_decode_params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2072) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2073) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2074) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2075)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2076) * - struct :c:type:`v4l2_h264_dpb_entry`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2077) - ``dpb[16]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2078) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2079) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2080) - ``nal_ref_idc``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2081) - NAL reference ID value coming from the NAL Unit header
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2082) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2083) - ``frame_num``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2084) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2085) * - __s32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2086) - ``top_field_order_cnt``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2087) - Picture Order Count for the coded top field
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2088) * - __s32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2089) - ``bottom_field_order_cnt``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2090) - Picture Order Count for the coded bottom field
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2091) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2092) - ``idr_pic_id``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2093) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2094) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2095) - ``pic_order_cnt_lsb``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2096) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2097) * - __s32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2098) - ``delta_pic_order_cnt_bottom``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2099) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2100) * - __s32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2101) - ``delta_pic_order_cnt0``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2102) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2103) * - __s32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2104) - ``delta_pic_order_cnt1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2105) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2106) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2107) - ``dec_ref_pic_marking_bit_size``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2108) - Size in bits of the dec_ref_pic_marking() syntax element.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2109) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2110) - ``pic_order_cnt_bit_size``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2111) - Combined size in bits of the picture order count related syntax
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2112) elements: pic_order_cnt_lsb, delta_pic_order_cnt_bottom,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2113) delta_pic_order_cnt0, and delta_pic_order_cnt1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2114) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2115) - ``slice_group_change_cycle``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2116) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2117) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2118) - ``reserved``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2119) - Applications and drivers must set this to zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2120) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2121) - ``flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2122) - See :ref:`Decode Parameters Flags <h264_decode_params_flags>`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2124) .. _h264_decode_params_flags:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2126) ``Decode Parameters Flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2128) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2130) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2131) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2132) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2133) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2135) * - ``V4L2_H264_DECODE_PARAM_FLAG_IDR_PIC``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2136) - 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2137) - That picture is an IDR picture
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2138) * - ``V4L2_H264_DECODE_PARAM_FLAG_FIELD_PIC``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2139) - 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2140) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2141) * - ``V4L2_H264_DECODE_PARAM_FLAG_BOTTOM_FIELD``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2142) - 0x00000004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2143) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2145) .. c:type:: v4l2_h264_dpb_entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2147) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2149) .. flat-table:: struct v4l2_h264_dpb_entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2150) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2151) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2152) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2154) * - __u64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2155) - ``reference_ts``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2156) - Timestamp of the V4L2 capture buffer to use as reference, used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2157) with B-coded and P-coded frames. The timestamp refers to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2158) ``timestamp`` field in struct :c:type:`v4l2_buffer`. Use the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2159) :c:func:`v4l2_timeval_to_ns()` function to convert the struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2160) :c:type:`timeval` in struct :c:type:`v4l2_buffer` to a __u64.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2161) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2162) - ``pic_num``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2163) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2164) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2165) - ``frame_num``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2166) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2167) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2168) - ``fields``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2169) - Specifies how the DPB entry is referenced. See :ref:`Reference Fields <h264_ref_fields>`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2170) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2171) - ``reserved[5]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2172) - Applications and drivers must set this to zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2173) * - __s32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2174) - ``top_field_order_cnt``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2175) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2176) * - __s32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2177) - ``bottom_field_order_cnt``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2178) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2179) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2180) - ``flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2181) - See :ref:`DPB Entry Flags <h264_dpb_flags>`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2183) .. _h264_dpb_flags:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2185) ``DPB Entries Flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2187) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2189) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2190) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2191) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2192) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2194) * - ``V4L2_H264_DPB_ENTRY_FLAG_VALID``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2195) - 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2196) - The DPB entry is valid (non-empty) and should be considered.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2197) * - ``V4L2_H264_DPB_ENTRY_FLAG_ACTIVE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2198) - 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2199) - The DPB entry is used for reference.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2200) * - ``V4L2_H264_DPB_ENTRY_FLAG_LONG_TERM``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2201) - 0x00000004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2202) - The DPB entry is used for long-term reference.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2203) * - ``V4L2_H264_DPB_ENTRY_FLAG_FIELD``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2204) - 0x00000008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2205) - The DPB entry is a single field or a complementary field pair.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2207) ``V4L2_CID_MPEG_VIDEO_H264_DECODE_MODE (enum)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2208) Specifies the decoding mode to use. Currently exposes slice-based and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2209) frame-based decoding but new modes might be added later on.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2210) This control is used as a modifier for V4L2_PIX_FMT_H264_SLICE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2211) pixel format. Applications that support V4L2_PIX_FMT_H264_SLICE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2212) are required to set this control in order to specify the decoding mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2213) that is expected for the buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2214) Drivers may expose a single or multiple decoding modes, depending
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2215) on what they can support.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2217) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2219) This menu control is not yet part of the public kernel API and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2220) it is expected to change.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2222) .. c:type:: v4l2_mpeg_video_h264_decode_mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2224) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2226) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2227) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2228) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2229) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2231) * - ``V4L2_MPEG_VIDEO_H264_DECODE_MODE_SLICE_BASED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2232) - 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2233) - Decoding is done at the slice granularity.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2234) The OUTPUT buffer must contain a single slice.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2235) When this mode is selected, the ``V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2236) control shall be set. When multiple slices compose a frame,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2237) use of ``V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF`` flag
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2238) is required.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2239) * - ``V4L2_MPEG_VIDEO_H264_DECODE_MODE_FRAME_BASED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2240) - 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2241) - Decoding is done at the frame granularity,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2242) The OUTPUT buffer must contain all slices needed to decode the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2243) frame. The OUTPUT buffer must also contain both fields.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2244) This mode will be supported by devices that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2245) parse the slice(s) header(s) in hardware. When this mode is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2246) selected, the ``V4L2_CID_MPEG_VIDEO_H264_SLICE_PARAMS``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2247) control shall not be set.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2249) ``V4L2_CID_MPEG_VIDEO_H264_START_CODE (enum)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2250) Specifies the H264 slice start code expected for each slice.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2251) This control is used as a modifier for V4L2_PIX_FMT_H264_SLICE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2252) pixel format. Applications that support V4L2_PIX_FMT_H264_SLICE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2253) are required to set this control in order to specify the start code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2254) that is expected for the buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2255) Drivers may expose a single or multiple start codes, depending
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2256) on what they can support.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2258) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2260) This menu control is not yet part of the public kernel API and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2261) it is expected to change.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2263) .. c:type:: v4l2_mpeg_video_h264_start_code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2265) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2267) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2268) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2269) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2270) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2272) * - ``V4L2_MPEG_VIDEO_H264_START_CODE_NONE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2273) - 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2274) - Selecting this value specifies that H264 slices are passed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2275) to the driver without any start code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2276) * - ``V4L2_MPEG_VIDEO_H264_START_CODE_ANNEX_B``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2277) - 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2278) - Selecting this value specifies that H264 slices are expected
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2279) to be prefixed by Annex B start codes. According to :ref:`h264`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2280) valid start codes can be 3-bytes 0x000001 or 4-bytes 0x00000001.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2282) .. _v4l2-mpeg-mpeg2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2284) ``V4L2_CID_MPEG_VIDEO_MPEG2_SLICE_PARAMS (struct)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2285) Specifies the slice parameters (as extracted from the bitstream) for the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2286) associated MPEG-2 slice data. This includes the necessary parameters for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2287) configuring a stateless hardware decoding pipeline for MPEG-2.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2288) The bitstream parameters are defined according to :ref:`mpeg2part2`.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2290) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2292) This compound control is not yet part of the public kernel API and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2293) it is expected to change.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2295) .. c:type:: v4l2_ctrl_mpeg2_slice_params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2297) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2299) .. tabularcolumns:: |p{5.8cm}|p{4.8cm}|p{6.6cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2301) .. flat-table:: struct v4l2_ctrl_mpeg2_slice_params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2302) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2303) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2304) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2306) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2307) - ``bit_size``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2308) - Size (in bits) of the current slice data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2309) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2310) - ``data_bit_offset``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2311) - Offset (in bits) to the video data in the current slice data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2312) * - struct :c:type:`v4l2_mpeg2_sequence`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2313) - ``sequence``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2314) - Structure with MPEG-2 sequence metadata, merging relevant fields from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2315) the sequence header and sequence extension parts of the bitstream.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2316) * - struct :c:type:`v4l2_mpeg2_picture`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2317) - ``picture``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2318) - Structure with MPEG-2 picture metadata, merging relevant fields from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2319) the picture header and picture coding extension parts of the bitstream.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2320) * - __u64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2321) - ``backward_ref_ts``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2322) - Timestamp of the V4L2 capture buffer to use as backward reference, used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2323) with B-coded and P-coded frames. The timestamp refers to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2324) ``timestamp`` field in struct :c:type:`v4l2_buffer`. Use the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2325) :c:func:`v4l2_timeval_to_ns()` function to convert the struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2326) :c:type:`timeval` in struct :c:type:`v4l2_buffer` to a __u64.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2327) * - __u64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2328) - ``forward_ref_ts``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2329) - Timestamp for the V4L2 capture buffer to use as forward reference, used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2330) with B-coded frames. The timestamp refers to the ``timestamp`` field in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2331) struct :c:type:`v4l2_buffer`. Use the :c:func:`v4l2_timeval_to_ns()`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2332) function to convert the struct :c:type:`timeval` in struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2333) :c:type:`v4l2_buffer` to a __u64.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2334) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2335) - ``quantiser_scale_code``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2336) - Code used to determine the quantization scale to use for the IDCT.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2338) .. c:type:: v4l2_mpeg2_sequence
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2340) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2342) .. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2343)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2344) .. flat-table:: struct v4l2_mpeg2_sequence
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2345) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2346) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2347) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2349) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2350) - ``horizontal_size``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2351) - The width of the displayable part of the frame's luminance component.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2352) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2353) - ``vertical_size``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2354) - The height of the displayable part of the frame's luminance component.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2355) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2356) - ``vbv_buffer_size``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2357) - Used to calculate the required size of the video buffering verifier,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2358) defined (in bits) as: 16 * 1024 * vbv_buffer_size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2359) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2360) - ``profile_and_level_indication``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2361) - The current profile and level indication as extracted from the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2362) bitstream.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2363) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2364) - ``progressive_sequence``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2365) - Indication that all the frames for the sequence are progressive instead
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2366) of interlaced.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2367) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2368) - ``chroma_format``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2369) - The chrominance sub-sampling format (1: 4:2:0, 2: 4:2:2, 3: 4:4:4).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2371) .. c:type:: v4l2_mpeg2_picture
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2373) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2375) .. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2377) .. flat-table:: struct v4l2_mpeg2_picture
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2378) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2379) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2380) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2382) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2383) - ``picture_coding_type``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2384) - Picture coding type for the frame covered by the current slice
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2385) (V4L2_MPEG2_PICTURE_CODING_TYPE_I, V4L2_MPEG2_PICTURE_CODING_TYPE_P or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2386) V4L2_MPEG2_PICTURE_CODING_TYPE_B).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2387) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2388) - ``f_code[2][2]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2389) - Motion vector codes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2390) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2391) - ``intra_dc_precision``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2392) - Precision of Discrete Cosine transform (0: 8 bits precision,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2393) 1: 9 bits precision, 2: 10 bits precision, 3: 11 bits precision).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2394) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2395) - ``picture_structure``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2396) - Picture structure (1: interlaced top field, 2: interlaced bottom field,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2397) 3: progressive frame).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2398) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2399) - ``top_field_first``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2400) - If set to 1 and interlaced stream, top field is output first.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2401) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2402) - ``frame_pred_frame_dct``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2403) - If set to 1, only frame-DCT and frame prediction are used.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2404) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2405) - ``concealment_motion_vectors``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2406) - If set to 1, motion vectors are coded for intra macroblocks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2407) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2408) - ``q_scale_type``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2409) - This flag affects the inverse quantization process.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2410) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2411) - ``intra_vlc_format``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2412) - This flag affects the decoding of transform coefficient data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2413) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2414) - ``alternate_scan``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2415) - This flag affects the decoding of transform coefficient data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2416) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2417) - ``repeat_first_field``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2418) - This flag affects the decoding process of progressive frames.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2419) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2420) - ``progressive_frame``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2421) - Indicates whether the current frame is progressive.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2423) ``V4L2_CID_MPEG_VIDEO_MPEG2_QUANTIZATION (struct)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2424) Specifies quantization matrices (as extracted from the bitstream) for the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2425) associated MPEG-2 slice data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2427) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2429) This compound control is not yet part of the public kernel API and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2430) it is expected to change.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2431)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2432) .. c:type:: v4l2_ctrl_mpeg2_quantization
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2434) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2435)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2436) .. tabularcolumns:: |p{1.2cm}|p{8.0cm}|p{7.4cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2437)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2438) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2440) \small
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2441)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2442) .. flat-table:: struct v4l2_ctrl_mpeg2_quantization
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2443) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2444) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2445) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2446)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2447) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2448) - ``load_intra_quantiser_matrix``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2449) - One bit to indicate whether to load the ``intra_quantiser_matrix`` data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2450) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2451) - ``load_non_intra_quantiser_matrix``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2452) - One bit to indicate whether to load the ``non_intra_quantiser_matrix``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2453) data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2454) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2455) - ``load_chroma_intra_quantiser_matrix``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2456) - One bit to indicate whether to load the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2457) ``chroma_intra_quantiser_matrix`` data, only relevant for non-4:2:0 YUV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2458) formats.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2459) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2460) - ``load_chroma_non_intra_quantiser_matrix``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2461) - One bit to indicate whether to load the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2462) ``chroma_non_intra_quantiser_matrix`` data, only relevant for non-4:2:0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2463) YUV formats.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2464) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2465) - ``intra_quantiser_matrix[64]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2466) - The quantization matrix coefficients for intra-coded frames, in zigzag
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2467) scanning order. It is relevant for both luma and chroma components,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2468) although it can be superseded by the chroma-specific matrix for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2469) non-4:2:0 YUV formats.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2470) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2471) - ``non_intra_quantiser_matrix[64]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2472) - The quantization matrix coefficients for non-intra-coded frames, in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2473) zigzag scanning order. It is relevant for both luma and chroma
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2474) components, although it can be superseded by the chroma-specific matrix
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2475) for non-4:2:0 YUV formats.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2476) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2477) - ``chroma_intra_quantiser_matrix[64]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2478) - The quantization matrix coefficients for the chominance component of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2479) intra-coded frames, in zigzag scanning order. Only relevant for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2480) non-4:2:0 YUV formats.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2481) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2482) - ``chroma_non_intra_quantiser_matrix[64]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2483) - The quantization matrix coefficients for the chrominance component of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2484) non-intra-coded frames, in zigzag scanning order. Only relevant for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2485) non-4:2:0 YUV formats.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2487) ``V4L2_CID_FWHT_I_FRAME_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2488) Quantization parameter for an I frame for FWHT. Valid range: from 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2489) to 31.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2491) ``V4L2_CID_FWHT_P_FRAME_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2492) Quantization parameter for a P frame for FWHT. Valid range: from 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2493) to 31.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2494)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2495) .. _v4l2-mpeg-vp8:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2496)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2497) ``V4L2_CID_MPEG_VIDEO_VP8_FRAME_HEADER (struct)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2498) Specifies the frame parameters for the associated VP8 parsed frame data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2499) This includes the necessary parameters for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2500) configuring a stateless hardware decoding pipeline for VP8.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2501) The bitstream parameters are defined according to :ref:`vp8`.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2502)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2503) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2504)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2505) This compound control is not yet part of the public kernel API and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2506) it is expected to change.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2507)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2508) .. c:type:: v4l2_ctrl_vp8_frame_header
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2510) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2512) .. tabularcolumns:: |p{5.8cm}|p{4.8cm}|p{6.6cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2513)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2514) .. flat-table:: struct v4l2_ctrl_vp8_frame_header
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2515) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2516) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2517) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2518)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2519) * - struct :c:type:`v4l2_vp8_segment_header`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2520) - ``segment_header``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2521) - Structure with segment-based adjustments metadata.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2522) * - struct :c:type:`v4l2_vp8_loopfilter_header`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2523) - ``loopfilter_header``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2524) - Structure with loop filter level adjustments metadata.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2525) * - struct :c:type:`v4l2_vp8_quantization_header`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2526) - ``quant_header``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2527) - Structure with VP8 dequantization indices metadata.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2528) * - struct :c:type:`v4l2_vp8_entropy_header`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2529) - ``entropy_header``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2530) - Structure with VP8 entropy coder probabilities metadata.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2531) * - struct :c:type:`v4l2_vp8_entropy_coder_state`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2532) - ``coder_state``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2533) - Structure with VP8 entropy coder state.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2534) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2535) - ``width``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2536) - The width of the frame. Must be set for all frames.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2537) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2538) - ``height``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2539) - The height of the frame. Must be set for all frames.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2540) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2541) - ``horizontal_scale``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2542) - Horizontal scaling factor.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2543) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2544) - ``vertical_scaling factor``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2545) - Vertical scale.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2546) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2547) - ``version``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2548) - Bitstream version.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2549) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2550) - ``prob_skip_false``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2551) - Indicates the probability that the macroblock is not skipped.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2552) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2553) - ``prob_intra``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2554) - Indicates the probability that a macroblock is intra-predicted.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2555) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2556) - ``prob_last``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2557) - Indicates the probability that the last reference frame is used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2558) for inter-prediction
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2559) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2560) - ``prob_gf``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2561) - Indicates the probability that the golden reference frame is used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2562) for inter-prediction
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2563) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2564) - ``num_dct_parts``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2565) - Number of DCT coefficients partitions. Must be one of: 1, 2, 4, or 8.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2566) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2567) - ``first_part_size``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2568) - Size of the first partition, i.e. the control partition.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2569) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2570) - ``first_part_header_bits``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2571) - Size in bits of the first partition header portion.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2572) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2573) - ``dct_part_sizes[8]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2574) - DCT coefficients sizes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2575) * - __u64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2576) - ``last_frame_ts``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2577) - Timestamp for the V4L2 capture buffer to use as last reference frame, used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2578) with inter-coded frames. The timestamp refers to the ``timestamp`` field in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2579) struct :c:type:`v4l2_buffer`. Use the :c:func:`v4l2_timeval_to_ns()`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2580) function to convert the struct :c:type:`timeval` in struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2581) :c:type:`v4l2_buffer` to a __u64.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2582) * - __u64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2583) - ``golden_frame_ts``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2584) - Timestamp for the V4L2 capture buffer to use as last reference frame, used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2585) with inter-coded frames. The timestamp refers to the ``timestamp`` field in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2586) struct :c:type:`v4l2_buffer`. Use the :c:func:`v4l2_timeval_to_ns()`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2587) function to convert the struct :c:type:`timeval` in struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2588) :c:type:`v4l2_buffer` to a __u64.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2589) * - __u64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2590) - ``alt_frame_ts``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2591) - Timestamp for the V4L2 capture buffer to use as alternate reference frame, used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2592) with inter-coded frames. The timestamp refers to the ``timestamp`` field in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2593) struct :c:type:`v4l2_buffer`. Use the :c:func:`v4l2_timeval_to_ns()`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2594) function to convert the struct :c:type:`timeval` in struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2595) :c:type:`v4l2_buffer` to a __u64.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2596) * - __u64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2597) - ``flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2598) - See :ref:`Frame Header Flags <vp8_frame_header_flags>`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2599)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2600) .. _vp8_frame_header_flags:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2601)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2602) ``Frame Header Flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2603)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2604) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2606) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2607) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2608) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2609) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2610)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2611) * - ``V4L2_VP8_FRAME_HEADER_FLAG_KEY_FRAME``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2612) - 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2613) - Indicates if the frame is a key frame.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2614) * - ``V4L2_VP8_FRAME_HEADER_FLAG_EXPERIMENTAL``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2615) - 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2616) - Experimental bitstream.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2617) * - ``V4L2_VP8_FRAME_HEADER_FLAG_SHOW_FRAME``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2618) - 0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2619) - Show frame flag, indicates if the frame is for display.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2620) * - ``V4L2_VP8_FRAME_HEADER_FLAG_MB_NO_SKIP_COEFF``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2621) - 0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2622) - Enable/disable skipping of macroblocks with no non-zero coefficients.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2623) * - ``V4L2_VP8_FRAME_HEADER_FLAG_SIGN_BIAS_GOLDEN``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2624) - 0x10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2625) - Sign of motion vectors when the golden frame is referenced.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2626) * - ``V4L2_VP8_FRAME_HEADER_FLAG_SIGN_BIAS_ALT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2627) - 0x20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2628) - Sign of motion vectors when the alt frame is referenced.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2629)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2630) .. c:type:: v4l2_vp8_entropy_coder_state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2631)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2632) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2633)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2634) .. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2635)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2636) .. flat-table:: struct v4l2_vp8_entropy_coder_state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2637) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2638) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2639) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2641) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2642) - ``range``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2643) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2644) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2645) - ``value``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2646) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2647) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2648) - ``bit_count``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2649) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2650) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2651) - ``padding``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2652) - Applications and drivers must set this to zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2653)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2654) .. c:type:: v4l2_vp8_segment_header
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2655)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2656) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2657)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2658) .. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2659)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2660) .. flat-table:: struct v4l2_vp8_segment_header
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2661) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2662) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2663) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2664)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2665) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2666) - ``quant_update[4]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2667) - Signed quantizer value update.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2668) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2669) - ``lf_update[4]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2670) - Signed loop filter level value update.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2671) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2672) - ``segment_probs[3]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2673) - Segment probabilities.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2674) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2675) - ``padding``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2676) - Applications and drivers must set this to zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2677) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2678) - ``flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2679) - See :ref:`Segment Header Flags <vp8_segment_header_flags>`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2680)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2681) .. _vp8_segment_header_flags:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2682)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2683) ``Segment Header Flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2684)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2685) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2686)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2687) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2688) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2689) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2690) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2691)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2692) * - ``V4L2_VP8_SEGMENT_HEADER_FLAG_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2693) - 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2694) - Enable/disable segment-based adjustments.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2695) * - ``V4L2_VP8_SEGMENT_HEADER_FLAG_UPDATE_MAP``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2696) - 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2697) - Indicates if the macroblock segmentation map is updated in this frame.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2698) * - ``V4L2_VP8_SEGMENT_HEADER_FLAG_UPDATE_FEATURE_DATA``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2699) - 0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2700) - Indicates if the segment feature data is updated in this frame.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2701) * - ``V4L2_VP8_SEGMENT_HEADER_FLAG_DELTA_VALUE_MODE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2702) - 0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2703) - If is set, the segment feature data mode is delta-value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2704) If cleared, it's absolute-value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2705)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2706) .. c:type:: v4l2_vp8_loopfilter_header
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2707)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2708) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2709)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2710) .. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2711)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2712) .. flat-table:: struct v4l2_vp8_loopfilter_header
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2713) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2714) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2715) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2716)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2717) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2718) - ``ref_frm_delta[4]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2719) - Reference adjustment (signed) delta value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2720) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2721) - ``mb_mode_delta[4]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2722) - Macroblock prediction mode adjustment (signed) delta value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2723) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2724) - ``sharpness_level``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2725) - Sharpness level
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2726) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2727) - ``level``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2728) - Filter level
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2729) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2730) - ``padding``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2731) - Applications and drivers must set this to zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2732) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2733) - ``flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2734) - See :ref:`Loopfilter Header Flags <vp8_loopfilter_header_flags>`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2735)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2736) .. _vp8_loopfilter_header_flags:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2737)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2738) ``Loopfilter Header Flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2739)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2740) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2741)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2742) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2743) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2744) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2745) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2746)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2747) * - ``V4L2_VP8_LF_HEADER_ADJ_ENABLE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2748) - 0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2749) - Enable/disable macroblock-level loop filter adjustment.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2750) * - ``V4L2_VP8_LF_HEADER_DELTA_UPDATE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2751) - 0x02
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2752) - Indicates if the delta values used in an adjustment are updated.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2753) * - ``V4L2_VP8_LF_FILTER_TYPE_SIMPLE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2754) - 0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2755) - If set, indicates the filter type is simple.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2756) If cleared, the filter type is normal.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2757)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2758) .. c:type:: v4l2_vp8_quantization_header
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2759)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2760) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2761)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2762) .. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2763)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2764) .. flat-table:: struct v4l2_vp8_quantization_header
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2765) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2766) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2767) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2768)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2769) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2770) - ``y_ac_qi``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2771) - Luma AC coefficient table index.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2772) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2773) - ``y_dc_delta``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2774) - Luma DC delta vaue.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2775) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2776) - ``y2_dc_delta``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2777) - Y2 block DC delta value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2778) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2779) - ``y2_ac_delta``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2780) - Y2 block AC delta value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2781) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2782) - ``uv_dc_delta``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2783) - Chroma DC delta value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2784) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2785) - ``uv_ac_delta``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2786) - Chroma AC delta value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2787) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2788) - ``padding``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2789) - Applications and drivers must set this to zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2790)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2791) .. c:type:: v4l2_vp8_entropy_header
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2792)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2793) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2794)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2795) .. tabularcolumns:: |p{1.5cm}|p{6.3cm}|p{9.4cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2796)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2797) .. flat-table:: struct v4l2_vp8_entropy_header
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2798) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2799) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2800) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2801)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2802) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2803) - ``coeff_probs[4][8][3][11]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2804) - Coefficient update probabilities.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2805) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2806) - ``y_mode_probs[4]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2807) - Luma mode update probabilities.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2808) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2809) - ``uv_mode_probs[3]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2810) - Chroma mode update probabilities.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2811) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2812) - ``mv_probs[2][19]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2813) - MV decoding update probabilities.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2814) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2815) - ``padding[3]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2816) - Applications and drivers must set this to zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2817)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2818) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2819)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2820) \normalsize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2821)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2822)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2823) MFC 5.1 MPEG Controls
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2824) =====================
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2825)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2826) The following MPEG class controls deal with MPEG decoding and encoding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2827) settings that are specific to the Multi Format Codec 5.1 device present
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2828) in the S5P family of SoCs by Samsung.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2829)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2830)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2831) .. _mfc51-control-id:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2832)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2833) MFC 5.1 Control IDs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2834) -------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2835)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2836) ``V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2837) If the display delay is enabled then the decoder is forced to return
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2838) a CAPTURE buffer (decoded frame) after processing a certain number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2839) of OUTPUT buffers. The delay can be set through
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2840) ``V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY``. This
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2841) feature can be used for example for generating thumbnails of videos.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2842) Applicable to the H264 decoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2843)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2844) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2845)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2846) This control is deprecated. Use the standard
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2847) ``V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY_ENABLE`` control instead.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2848)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2849) ``V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2850) Display delay value for H264 decoder. The decoder is forced to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2851) return a decoded frame after the set 'display delay' number of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2852) frames. If this number is low it may result in frames returned out
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2853) of display order, in addition the hardware may still be using the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2854) returned buffer as a reference picture for subsequent frames.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2855)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2856) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2857)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2858) This control is deprecated. Use the standard
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2859) ``V4L2_CID_MPEG_VIDEO_DEC_DISPLAY_DELAY`` control instead.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2860)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2861) ``V4L2_CID_MPEG_MFC51_VIDEO_H264_NUM_REF_PIC_FOR_P (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2862) The number of reference pictures used for encoding a P picture.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2863) Applicable to the H264 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2864)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2865) ``V4L2_CID_MPEG_MFC51_VIDEO_PADDING (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2866) Padding enable in the encoder - use a color instead of repeating
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2867) border pixels. Applicable to encoders.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2868)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2869) ``V4L2_CID_MPEG_MFC51_VIDEO_PADDING_YUV (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2870) Padding color in the encoder. Applicable to encoders. The supplied
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2871) 32-bit integer is interpreted as follows (bit 0 = least significant
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2872) bit):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2873)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2874)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2875)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2876) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2877) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2878) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2879)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2880) * - Bit 0:7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2881) - V chrominance information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2882) * - Bit 8:15
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2883) - U chrominance information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2884) * - Bit 16:23
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2885) - Y luminance information
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2886) * - Bit 24:31
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2887) - Must be zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2888)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2889)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2890)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2891) ``V4L2_CID_MPEG_MFC51_VIDEO_RC_REACTION_COEFF (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2892) Reaction coefficient for MFC rate control. Applicable to encoders.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2893)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2894) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2895)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2896) #. Valid only when the frame level RC is enabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2897)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2898) #. For tight CBR, this field must be small (ex. 2 ~ 10). For
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2899) VBR, this field must be large (ex. 100 ~ 1000).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2900)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2901) #. It is not recommended to use the greater number than
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2902) FRAME_RATE * (10^9 / BIT_RATE).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2903)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2904) ``V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_DARK (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2905) Adaptive rate control for dark region. Valid only when H.264 and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2906) macroblock level RC is enabled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2907) (``V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE``). Applicable to the H264
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2908) encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2909)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2910) ``V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_SMOOTH (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2911) Adaptive rate control for smooth region. Valid only when H.264 and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2912) macroblock level RC is enabled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2913) (``V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE``). Applicable to the H264
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2914) encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2915)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2916) ``V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_STATIC (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2917) Adaptive rate control for static region. Valid only when H.264 and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2918) macroblock level RC is enabled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2919) (``V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE``). Applicable to the H264
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2920) encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2921)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2922) ``V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_ACTIVITY (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2923) Adaptive rate control for activity region. Valid only when H.264 and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2924) macroblock level RC is enabled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2925) (``V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE``). Applicable to the H264
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2926) encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2927)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2928) .. _v4l2-mpeg-mfc51-video-frame-skip-mode:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2929)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2930) ``V4L2_CID_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2931) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2932)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2933) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2934)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2935) This control is deprecated. Use the standard
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2936) ``V4L2_CID_MPEG_VIDEO_FRAME_SKIP_MODE`` control instead.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2937)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2938) enum v4l2_mpeg_mfc51_video_frame_skip_mode -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2939) Indicates in what conditions the encoder should skip frames. If
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2940) encoding a frame would cause the encoded stream to be larger then a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2941) chosen data limit then the frame will be skipped. Possible values
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2942) are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2943)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2944)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2945) .. tabularcolumns:: |p{9.2cm}|p{8.3cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2946)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2947) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2948)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2949) \small
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2950)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2951) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2952) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2953) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2954)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2955) * - ``V4L2_MPEG_MFC51_FRAME_SKIP_MODE_DISABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2956) - Frame skip mode is disabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2957) * - ``V4L2_MPEG_MFC51_FRAME_SKIP_MODE_LEVEL_LIMIT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2958) - Frame skip mode enabled and buffer limit is set by the chosen
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2959) level and is defined by the standard.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2960) * - ``V4L2_MPEG_MFC51_FRAME_SKIP_MODE_BUF_LIMIT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2961) - Frame skip mode enabled and buffer limit is set by the VBV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2962) (MPEG1/2/4) or CPB (H264) buffer size control.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2963)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2964) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2965)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2966) \normalsize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2967)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2968) ``V4L2_CID_MPEG_MFC51_VIDEO_RC_FIXED_TARGET_BIT (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2969) Enable rate-control with fixed target bit. If this setting is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2970) enabled, then the rate control logic of the encoder will calculate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2971) the average bitrate for a GOP and keep it below or equal the set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2972) bitrate target. Otherwise the rate control logic calculates the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2973) overall average bitrate for the stream and keeps it below or equal
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2974) to the set bitrate. In the first case the average bitrate for the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2975) whole stream will be smaller then the set bitrate. This is caused
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2976) because the average is calculated for smaller number of frames, on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2977) the other hand enabling this setting will ensure that the stream
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2978) will meet tight bandwidth constraints. Applicable to encoders.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2979)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2980) .. _v4l2-mpeg-mfc51-video-force-frame-type:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2981)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2982) ``V4L2_CID_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2983) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2984)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2985) enum v4l2_mpeg_mfc51_video_force_frame_type -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2986) Force a frame type for the next queued buffer. Applicable to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2987) encoders. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2988)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2989) .. tabularcolumns:: |p{9.5cm}|p{8.0cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2990)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2991) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2992) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2993) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2994)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2995) * - ``V4L2_MPEG_MFC51_FORCE_FRAME_TYPE_DISABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2996) - Forcing a specific frame type disabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2997) * - ``V4L2_MPEG_MFC51_FORCE_FRAME_TYPE_I_FRAME``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2998) - Force an I-frame.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2999) * - ``V4L2_MPEG_MFC51_FORCE_FRAME_TYPE_NOT_CODED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3000) - Force a non-coded frame.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3001)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3002)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3003) .. _v4l2-mpeg-fwht:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3004)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3005) ``V4L2_CID_MPEG_VIDEO_FWHT_PARAMS (struct)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3006) Specifies the fwht parameters (as extracted from the bitstream) for the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3007) associated FWHT data. This includes the necessary parameters for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3008) configuring a stateless hardware decoding pipeline for FWHT.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3009)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3010) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3011)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3012) This compound control is not yet part of the public kernel API and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3013) it is expected to change.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3014)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3015) .. c:type:: v4l2_ctrl_fwht_params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3016)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3017) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3018)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3019) .. tabularcolumns:: |p{1.4cm}|p{4.3cm}|p{11.8cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3020)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3021) .. flat-table:: struct v4l2_ctrl_fwht_params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3022) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3023) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3024) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3025)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3026) * - __u64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3027) - ``backward_ref_ts``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3028) - Timestamp of the V4L2 capture buffer to use as backward reference, used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3029) with P-coded frames. The timestamp refers to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3030) ``timestamp`` field in struct :c:type:`v4l2_buffer`. Use the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3031) :c:func:`v4l2_timeval_to_ns()` function to convert the struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3032) :c:type:`timeval` in struct :c:type:`v4l2_buffer` to a __u64.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3033) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3034) - ``version``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3035) - The version of the codec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3036) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3037) - ``width``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3038) - The width of the frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3039) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3040) - ``height``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3041) - The height of the frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3042) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3043) - ``flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3044) - The flags of the frame, see :ref:`fwht-flags`.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3045) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3046) - ``colorspace``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3047) - The colorspace of the frame, from enum :c:type:`v4l2_colorspace`.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3048) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3049) - ``xfer_func``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3050) - The transfer function, from enum :c:type:`v4l2_xfer_func`.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3051) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3052) - ``ycbcr_enc``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3053) - The Y'CbCr encoding, from enum :c:type:`v4l2_ycbcr_encoding`.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3054) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3055) - ``quantization``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3056) - The quantization range, from enum :c:type:`v4l2_quantization`.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3057)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3058)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3059)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3060) .. _fwht-flags:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3061)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3062) FWHT Flags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3063) ============
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3064)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3065) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3066)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3067) .. tabularcolumns:: |p{6.8cm}|p{2.4cm}|p{8.3cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3068)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3069) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3070) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3071) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3072) :widths: 3 1 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3073)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3074) * - ``FWHT_FL_IS_INTERLACED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3075) - 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3076) - Set if this is an interlaced format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3077) * - ``FWHT_FL_IS_BOTTOM_FIRST``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3078) - 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3079) - Set if this is a bottom-first (NTSC) interlaced format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3080) * - ``FWHT_FL_IS_ALTERNATE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3081) - 0x00000004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3082) - Set if each 'frame' contains just one field
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3083) * - ``FWHT_FL_IS_BOTTOM_FIELD``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3084) - 0x00000008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3085) - If FWHT_FL_IS_ALTERNATE was set, then this is set if this 'frame' is the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3086) bottom field, else it is the top field.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3087) * - ``FWHT_FL_LUMA_IS_UNCOMPRESSED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3088) - 0x00000010
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3089) - Set if the luma plane is uncompressed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3090) * - ``FWHT_FL_CB_IS_UNCOMPRESSED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3091) - 0x00000020
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3092) - Set if the cb plane is uncompressed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3093) * - ``FWHT_FL_CR_IS_UNCOMPRESSED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3094) - 0x00000040
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3095) - Set if the cr plane is uncompressed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3096) * - ``FWHT_FL_CHROMA_FULL_HEIGHT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3097) - 0x00000080
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3098) - Set if the chroma plane has the same height as the luma plane,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3099) else the chroma plane is half the height of the luma plane
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3100) * - ``FWHT_FL_CHROMA_FULL_WIDTH``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3101) - 0x00000100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3102) - Set if the chroma plane has the same width as the luma plane,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3103) else the chroma plane is half the width of the luma plane
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3104) * - ``FWHT_FL_ALPHA_IS_UNCOMPRESSED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3105) - 0x00000200
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3106) - Set if the alpha plane is uncompressed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3107) * - ``FWHT_FL_I_FRAME``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3108) - 0x00000400
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3109) - Set if this is an I-frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3110) * - ``FWHT_FL_COMPONENTS_NUM_MSK``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3111) - 0x00070000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3112) - A 4-values flag - the number of components - 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3113) * - ``FWHT_FL_PIXENC_YUV``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3114) - 0x00080000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3115) - Set if the pixel encoding is YUV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3116) * - ``FWHT_FL_PIXENC_RGB``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3117) - 0x00100000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3118) - Set if the pixel encoding is RGB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3119) * - ``FWHT_FL_PIXENC_HSV``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3120) - 0x00180000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3121) - Set if the pixel encoding is HSV
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3124) CX2341x MPEG Controls
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3125) =====================
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3127) The following MPEG class controls deal with MPEG encoding settings that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3128) are specific to the Conexant CX23415 and CX23416 MPEG encoding chips.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3131) .. _cx2341x-control-id:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3133) CX2341x Control IDs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3134) -------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3136) .. _v4l2-mpeg-cx2341x-video-spatial-filter-mode:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3138) ``V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3139) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3141) enum v4l2_mpeg_cx2341x_video_spatial_filter_mode -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3142) Sets the Spatial Filter mode (default ``MANUAL``). Possible values
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3143) are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3147) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3148) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3149) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3151) * - ``V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3152) - Choose the filter manually
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3153) * - ``V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3154) - Choose the filter automatically
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3158) ``V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER (integer (0-15))``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3159) The setting for the Spatial Filter. 0 = off, 15 = maximum. (Default
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3160) is 0.)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3162) .. _luma-spatial-filter-type:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3164) ``V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3165) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3167) enum v4l2_mpeg_cx2341x_video_luma_spatial_filter_type -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3168) Select the algorithm to use for the Luma Spatial Filter (default
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3169) ``1D_HOR``). Possible values:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3171) .. tabularcolumns:: |p{14.5cm}|p{3.0cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3173) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3175) \small
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3177) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3178) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3179) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3181) * - ``V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3182) - No filter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3183) * - ``V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3184) - One-dimensional horizontal
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3185) * - ``V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_VERT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3186) - One-dimensional vertical
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3187) * - ``V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_HV_SEPARABLE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3188) - Two-dimensional separable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3189) * - ``V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3190) - Two-dimensional symmetrical non-separable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3192) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3194) \normalsize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3198) .. _chroma-spatial-filter-type:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3200) ``V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3201) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3203) enum v4l2_mpeg_cx2341x_video_chroma_spatial_filter_type -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3204) Select the algorithm for the Chroma Spatial Filter (default
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3205) ``1D_HOR``). Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3208) .. tabularcolumns:: |p{14.0cm}|p{3.5cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3210) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3211) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3212) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3214) * - ``V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3215) - No filter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3216) * - ``V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3217) - One-dimensional horizontal
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3221) .. _v4l2-mpeg-cx2341x-video-temporal-filter-mode:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3223) ``V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3224) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3226) enum v4l2_mpeg_cx2341x_video_temporal_filter_mode -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3227) Sets the Temporal Filter mode (default ``MANUAL``). Possible values
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3228) are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3232) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3233) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3234) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3236) * - ``V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3237) - Choose the filter manually
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3238) * - ``V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3239) - Choose the filter automatically
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3243) ``V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER (integer (0-31))``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3244) The setting for the Temporal Filter. 0 = off, 31 = maximum. (Default
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3245) is 8 for full-scale capturing and 0 for scaled capturing.)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3247) .. _v4l2-mpeg-cx2341x-video-median-filter-type:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3249) ``V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3250) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3251)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3252) enum v4l2_mpeg_cx2341x_video_median_filter_type -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3253) Median Filter Type (default ``OFF``). Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3257) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3258) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3259) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3261) * - ``V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3262) - No filter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3263) * - ``V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3264) - Horizontal filter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3265) * - ``V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_VERT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3266) - Vertical filter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3267) * - ``V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR_VERT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3268) - Horizontal and vertical filter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3269) * - ``V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3270) - Diagonal filter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3274) ``V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM (integer (0-255))``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3275) Threshold above which the luminance median filter is enabled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3276) (default 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3278) ``V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP (integer (0-255))``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3279) Threshold below which the luminance median filter is enabled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3280) (default 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3282) ``V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM (integer (0-255))``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3283) Threshold above which the chroma median filter is enabled (default
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3284) 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3286) ``V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP (integer (0-255))``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3287) Threshold below which the chroma median filter is enabled (default
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3288) 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3290) ``V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3291) The CX2341X MPEG encoder can insert one empty MPEG-2 PES packet into
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3292) the stream between every four video frames. The packet size is 2048
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3293) bytes, including the packet_start_code_prefix and stream_id
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3294) fields. The stream_id is 0xBF (private stream 2). The payload
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3295) consists of 0x00 bytes, to be filled in by the application. 0 = do
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3296) not insert, 1 = insert packets.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3299) VPX Control Reference
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3300) =====================
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3302) The VPX controls include controls for encoding parameters of VPx video
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3303) codec.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3306) .. _vpx-control-id:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3308) VPX Control IDs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3309) ---------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3311) .. _v4l2-vpx-num-partitions:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3313) ``V4L2_CID_MPEG_VIDEO_VPX_NUM_PARTITIONS``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3314) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3316) enum v4l2_vp8_num_partitions -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3317) The number of token partitions to use in VP8 encoder. Possible
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3318) values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3321)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3322) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3323) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3324) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3326) * - ``V4L2_CID_MPEG_VIDEO_VPX_1_PARTITION``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3327) - 1 coefficient partition
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3328) * - ``V4L2_CID_MPEG_VIDEO_VPX_2_PARTITIONS``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3329) - 2 coefficient partitions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3330) * - ``V4L2_CID_MPEG_VIDEO_VPX_4_PARTITIONS``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3331) - 4 coefficient partitions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3332) * - ``V4L2_CID_MPEG_VIDEO_VPX_8_PARTITIONS``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3333) - 8 coefficient partitions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3337) ``V4L2_CID_MPEG_VIDEO_VPX_IMD_DISABLE_4X4 (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3338) Setting this prevents intra 4x4 mode in the intra mode decision.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3340) .. _v4l2-vpx-num-ref-frames:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3342) ``V4L2_CID_MPEG_VIDEO_VPX_NUM_REF_FRAMES``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3343) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3345) enum v4l2_vp8_num_ref_frames -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3346) The number of reference pictures for encoding P frames. Possible
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3347) values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3349) .. tabularcolumns:: |p{7.9cm}|p{9.6cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3351) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3353) \small
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3354)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3355) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3356) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3357) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3358)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3359) * - ``V4L2_CID_MPEG_VIDEO_VPX_1_REF_FRAME``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3360) - Last encoded frame will be searched
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3361) * - ``V4L2_CID_MPEG_VIDEO_VPX_2_REF_FRAME``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3362) - Two frames will be searched among the last encoded frame, the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3363) golden frame and the alternate reference (altref) frame. The
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3364) encoder implementation will decide which two are chosen.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3365) * - ``V4L2_CID_MPEG_VIDEO_VPX_3_REF_FRAME``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3366) - The last encoded frame, the golden frame and the altref frame will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3367) be searched.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3369) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3371) \normalsize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3374)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3375) ``V4L2_CID_MPEG_VIDEO_VPX_FILTER_LEVEL (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3376) Indicates the loop filter level. The adjustment of the loop filter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3377) level is done via a delta value against a baseline loop filter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3378) value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3380) ``V4L2_CID_MPEG_VIDEO_VPX_FILTER_SHARPNESS (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3381) This parameter affects the loop filter. Anything above zero weakens
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3382) the deblocking effect on the loop filter.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3383)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3384) ``V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_REF_PERIOD (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3385) Sets the refresh period for the golden frame. The period is defined
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3386) in number of frames. For a value of 'n', every nth frame starting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3387) from the first key frame will be taken as a golden frame. For eg.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3388) for encoding sequence of 0, 1, 2, 3, 4, 5, 6, 7 where the golden
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3389) frame refresh period is set as 4, the frames 0, 4, 8 etc will be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3390) taken as the golden frames as frame 0 is always a key frame.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3391)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3392) .. _v4l2-vpx-golden-frame-sel:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3393)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3394) ``V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_SEL``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3395) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3397) enum v4l2_vp8_golden_frame_sel -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3398) Selects the golden frame for encoding. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3400) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3402) \scriptsize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3403)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3404) .. tabularcolumns:: |p{9.0cm}|p{8.0cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3406) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3407) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3408) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3410) * - ``V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_USE_PREV``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3411) - Use the (n-2)th frame as a golden frame, current frame index being
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3412) 'n'.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3413) * - ``V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_USE_REF_PERIOD``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3414) - Use the previous specific frame indicated by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3415) ``V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_REF_PERIOD`` as a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3416) golden frame.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3417)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3418) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3420) \normalsize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3423) ``V4L2_CID_MPEG_VIDEO_VPX_MIN_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3424) Minimum quantization parameter for VP8.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3426) ``V4L2_CID_MPEG_VIDEO_VPX_MAX_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3427) Maximum quantization parameter for VP8.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3429) ``V4L2_CID_MPEG_VIDEO_VPX_I_FRAME_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3430) Quantization parameter for an I frame for VP8.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3431)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3432) ``V4L2_CID_MPEG_VIDEO_VPX_P_FRAME_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3433) Quantization parameter for a P frame for VP8.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3435) .. _v4l2-mpeg-video-vp8-profile:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3436)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3437) ``V4L2_CID_MPEG_VIDEO_VP8_PROFILE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3438) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3440) enum v4l2_mpeg_video_vp8_profile -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3441) This control allows selecting the profile for VP8 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3442) This is also used to enumerate supported profiles by VP8 encoder or decoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3443) Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3444)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3445) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3446) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3447) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3448)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3449) * - ``V4L2_MPEG_VIDEO_VP8_PROFILE_0``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3450) - Profile 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3451) * - ``V4L2_MPEG_VIDEO_VP8_PROFILE_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3452) - Profile 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3453) * - ``V4L2_MPEG_VIDEO_VP8_PROFILE_2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3454) - Profile 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3455) * - ``V4L2_MPEG_VIDEO_VP8_PROFILE_3``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3456) - Profile 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3458) .. _v4l2-mpeg-video-vp9-profile:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3460) ``V4L2_CID_MPEG_VIDEO_VP9_PROFILE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3461) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3463) enum v4l2_mpeg_video_vp9_profile -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3464) This control allows selecting the profile for VP9 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3465) This is also used to enumerate supported profiles by VP9 encoder or decoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3466) Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3468) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3469) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3470) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3471)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3472) * - ``V4L2_MPEG_VIDEO_VP9_PROFILE_0``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3473) - Profile 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3474) * - ``V4L2_MPEG_VIDEO_VP9_PROFILE_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3475) - Profile 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3476) * - ``V4L2_MPEG_VIDEO_VP9_PROFILE_2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3477) - Profile 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3478) * - ``V4L2_MPEG_VIDEO_VP9_PROFILE_3``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3479) - Profile 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3480)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3481) .. _v4l2-mpeg-video-vp9-level:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3482)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3483) ``V4L2_CID_MPEG_VIDEO_VP9_LEVEL (enum)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3485) enum v4l2_mpeg_video_vp9_level -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3486) This control allows selecting the level for VP9 encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3487) This is also used to enumerate supported levels by VP9 encoder or decoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3488) More information can be found at
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3489) `webmproject <https://www.webmproject.org/vp9/levels/>`__. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3491) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3492) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3493) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3494)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3495) * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_1_0``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3496) - Level 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3497) * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_1_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3498) - Level 1.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3499) * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_2_0``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3500) - Level 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3501) * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_2_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3502) - Level 2.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3503) * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_3_0``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3504) - Level 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3505) * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_3_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3506) - Level 3.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3507) * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_4_0``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3508) - Level 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3509) * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_4_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3510) - Level 4.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3511) * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_5_0``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3512) - Level 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3513) * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_5_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3514) - Level 5.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3515) * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_5_2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3516) - Level 5.2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3517) * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_6_0``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3518) - Level 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3519) * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_6_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3520) - Level 6.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3521) * - ``V4L2_MPEG_VIDEO_VP9_LEVEL_6_2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3522) - Level 6.2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3524)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3525) High Efficiency Video Coding (HEVC/H.265) Control Reference
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3526) ===========================================================
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3527)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3528) The HEVC/H.265 controls include controls for encoding parameters of HEVC/H.265
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3529) video codec.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3530)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3531)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3532) .. _hevc-control-id:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3533)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3534) HEVC/H.265 Control IDs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3535) ----------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3537) ``V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3538) Minimum quantization parameter for HEVC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3539) Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3541) ``V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3542) Maximum quantization parameter for HEVC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3543) Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3544)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3545) ``V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3546) Quantization parameter for an I frame for HEVC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3547) Valid range: [V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3548) V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3549)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3550) ``V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3551) Quantization parameter for a P frame for HEVC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3552) Valid range: [V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3553) V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3554)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3555) ``V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3556) Quantization parameter for a B frame for HEVC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3557) Valid range: [V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3558) V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3559)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3560) ``V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_MIN_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3561) Minimum quantization parameter for the HEVC I frame to limit I frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3562) quality to a range. Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3563) If V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP is also set, the quantization parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3564) should be chosen to meet both requirements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3565)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3566) ``V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_MAX_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3567) Maximum quantization parameter for the HEVC I frame to limit I frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3568) quality to a range. Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3569) If V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP is also set, the quantization parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3570) should be chosen to meet both requirements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3572) ``V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_MIN_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3573) Minimum quantization parameter for the HEVC P frame to limit P frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3574) quality to a range. Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3575) If V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP is also set, the quantization parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3576) should be chosen to meet both requirements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3577)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3578) ``V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_MAX_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3579) Maximum quantization parameter for the HEVC P frame to limit P frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3580) quality to a range. Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3581) If V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP is also set, the quantization parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3582) should be chosen to meet both requirements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3584) ``V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_MIN_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3585) Minimum quantization parameter for the HEVC B frame to limit B frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3586) quality to a range. Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3587) If V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP is also set, the quantization parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3588) should be chosen to meet both requirements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3589)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3590) ``V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_MAX_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3591) Maximum quantization parameter for the HEVC B frame to limit B frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3592) quality to a range. Valid range: from 0 to 51 for 8 bit and from 0 to 63 for 10 bit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3593) If V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP is also set, the quantization parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3594) should be chosen to meet both requirements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3595)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3596) ``V4L2_CID_MPEG_VIDEO_HEVC_HIER_QP (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3597) HIERARCHICAL_QP allows the host to specify the quantization parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3598) values for each temporal layer through HIERARCHICAL_QP_LAYER. This is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3599) valid only if HIERARCHICAL_CODING_LAYER is greater than 1. Setting the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3600) control value to 1 enables setting of the QP values for the layers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3601)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3602) .. _v4l2-hevc-hier-coding-type:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3603)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3604) ``V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_TYPE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3605) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3606)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3607) enum v4l2_mpeg_video_hevc_hier_coding_type -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3608) Selects the hierarchical coding type for encoding. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3609)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3610) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3612) \footnotesize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3613)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3614) .. tabularcolumns:: |p{9.0cm}|p{8.0cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3615)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3616) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3617) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3618) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3619)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3620) * - ``V4L2_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_B``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3621) - Use the B frame for hierarchical coding.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3622) * - ``V4L2_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_P``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3623) - Use the P frame for hierarchical coding.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3624)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3625) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3626)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3627) \normalsize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3628)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3629)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3630) ``V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_LAYER (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3631) Selects the hierarchical coding layer. In normal encoding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3632) (non-hierarchial coding), it should be zero. Possible values are [0, 6].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3633) 0 indicates HIERARCHICAL CODING LAYER 0, 1 indicates HIERARCHICAL CODING
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3634) LAYER 1 and so on.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3635)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3636) ``V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_L0_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3637) Indicates quantization parameter for hierarchical coding layer 0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3638) Valid range: [V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3639) V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3641) ``V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_L1_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3642) Indicates quantization parameter for hierarchical coding layer 1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3643) Valid range: [V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3644) V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3645)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3646) ``V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_L2_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3647) Indicates quantization parameter for hierarchical coding layer 2.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3648) Valid range: [V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3649) V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3650)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3651) ``V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_L3_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3652) Indicates quantization parameter for hierarchical coding layer 3.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3653) Valid range: [V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3654) V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3655)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3656) ``V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_L4_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3657) Indicates quantization parameter for hierarchical coding layer 4.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3658) Valid range: [V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3659) V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3660)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3661) ``V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_L5_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3662) Indicates quantization parameter for hierarchical coding layer 5.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3663) Valid range: [V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3664) V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3665)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3666) ``V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_L6_QP (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3667) Indicates quantization parameter for hierarchical coding layer 6.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3668) Valid range: [V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3669) V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3670)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3671) .. _v4l2-hevc-profile:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3672)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3673) ``V4L2_CID_MPEG_VIDEO_HEVC_PROFILE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3674) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3675)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3676) enum v4l2_mpeg_video_hevc_profile -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3677) Select the desired profile for HEVC encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3678)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3679) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3680)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3681) \footnotesize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3682)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3683) .. tabularcolumns:: |p{9.0cm}|p{8.0cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3684)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3685) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3686) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3687) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3688)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3689) * - ``V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3690) - Main profile.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3691) * - ``V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3692) - Main still picture profile.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3693) * - ``V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3694) - Main 10 profile.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3695)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3696) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3697)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3698) \normalsize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3699)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3700)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3701) .. _v4l2-hevc-level:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3702)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3703) ``V4L2_CID_MPEG_VIDEO_HEVC_LEVEL``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3704) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3705)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3706) enum v4l2_mpeg_video_hevc_level -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3707) Selects the desired level for HEVC encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3708)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3709) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3710)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3711) \footnotesize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3712)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3713) .. tabularcolumns:: |p{9.0cm}|p{8.0cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3714)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3715) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3716) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3717) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3718)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3719) * - ``V4L2_MPEG_VIDEO_HEVC_LEVEL_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3720) - Level 1.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3721) * - ``V4L2_MPEG_VIDEO_HEVC_LEVEL_2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3722) - Level 2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3723) * - ``V4L2_MPEG_VIDEO_HEVC_LEVEL_2_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3724) - Level 2.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3725) * - ``V4L2_MPEG_VIDEO_HEVC_LEVEL_3``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3726) - Level 3.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3727) * - ``V4L2_MPEG_VIDEO_HEVC_LEVEL_3_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3728) - Level 3.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3729) * - ``V4L2_MPEG_VIDEO_HEVC_LEVEL_4``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3730) - Level 4.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3731) * - ``V4L2_MPEG_VIDEO_HEVC_LEVEL_4_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3732) - Level 4.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3733) * - ``V4L2_MPEG_VIDEO_HEVC_LEVEL_5``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3734) - Level 5.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3735) * - ``V4L2_MPEG_VIDEO_HEVC_LEVEL_5_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3736) - Level 5.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3737) * - ``V4L2_MPEG_VIDEO_HEVC_LEVEL_5_2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3738) - Level 5.2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3739) * - ``V4L2_MPEG_VIDEO_HEVC_LEVEL_6``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3740) - Level 6.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3741) * - ``V4L2_MPEG_VIDEO_HEVC_LEVEL_6_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3742) - Level 6.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3743) * - ``V4L2_MPEG_VIDEO_HEVC_LEVEL_6_2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3744) - Level 6.2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3745)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3746) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3747)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3748) \normalsize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3749)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3750)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3751) ``V4L2_CID_MPEG_VIDEO_HEVC_FRAME_RATE_RESOLUTION (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3752) Indicates the number of evenly spaced subintervals, called ticks, within
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3753) one second. This is a 16 bit unsigned integer and has a maximum value up to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3754) 0xffff and a minimum value of 1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3755)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3756) .. _v4l2-hevc-tier:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3757)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3758) ``V4L2_CID_MPEG_VIDEO_HEVC_TIER``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3759) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3760)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3761) enum v4l2_mpeg_video_hevc_tier -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3762) TIER_FLAG specifies tiers information of the HEVC encoded picture. Tier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3763) were made to deal with applications that differ in terms of maximum bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3764) rate. Setting the flag to 0 selects HEVC tier as Main tier and setting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3765) this flag to 1 indicates High tier. High tier is for applications requiring
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3766) high bit rates.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3767)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3768) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3769)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3770) \footnotesize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3771)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3772) .. tabularcolumns:: |p{9.0cm}|p{8.0cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3773)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3774) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3775) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3776) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3777)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3778) * - ``V4L2_MPEG_VIDEO_HEVC_TIER_MAIN``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3779) - Main tier.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3780) * - ``V4L2_MPEG_VIDEO_HEVC_TIER_HIGH``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3781) - High tier.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3782)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3783) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3784)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3785) \normalsize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3786)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3787)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3788) ``V4L2_CID_MPEG_VIDEO_HEVC_MAX_PARTITION_DEPTH (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3789) Selects HEVC maximum coding unit depth.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3790)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3791) .. _v4l2-hevc-loop-filter-mode:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3792)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3793) ``V4L2_CID_MPEG_VIDEO_HEVC_LOOP_FILTER_MODE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3794) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3795)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3796) enum v4l2_mpeg_video_hevc_loop_filter_mode -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3797) Loop filter mode for HEVC encoder. Possible values are:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3798)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3799) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3800)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3801) \footnotesize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3802)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3803) .. tabularcolumns:: |p{12.1cm}|p{5.4cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3804)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3805) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3806) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3807) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3808)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3809) * - ``V4L2_MPEG_VIDEO_HEVC_LOOP_FILTER_MODE_DISABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3810) - Loop filter is disabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3811) * - ``V4L2_MPEG_VIDEO_HEVC_LOOP_FILTER_MODE_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3812) - Loop filter is enabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3813) * - ``V4L2_MPEG_VIDEO_HEVC_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3814) - Loop filter is disabled at the slice boundary.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3815)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3816) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3817)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3818) \normalsize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3819)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3820)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3821) ``V4L2_CID_MPEG_VIDEO_HEVC_LF_BETA_OFFSET_DIV2 (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3822) Selects HEVC loop filter beta offset. The valid range is [-6, +6].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3823)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3824) ``V4L2_CID_MPEG_VIDEO_HEVC_LF_TC_OFFSET_DIV2 (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3825) Selects HEVC loop filter tc offset. The valid range is [-6, +6].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3826)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3827) .. _v4l2-hevc-refresh-type:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3828)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3829) ``V4L2_CID_MPEG_VIDEO_HEVC_REFRESH_TYPE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3830) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3831)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3832) enum v4l2_mpeg_video_hevc_hier_refresh_type -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3833) Selects refresh type for HEVC encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3834) Host has to specify the period into
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3835) V4L2_CID_MPEG_VIDEO_HEVC_REFRESH_PERIOD.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3836)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3837) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3838)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3839) \footnotesize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3840)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3841) .. tabularcolumns:: |p{8.0cm}|p{9.0cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3842)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3843) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3844) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3845) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3846)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3847) * - ``V4L2_MPEG_VIDEO_HEVC_REFRESH_NONE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3848) - Use the B frame for hierarchical coding.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3849) * - ``V4L2_MPEG_VIDEO_HEVC_REFRESH_CRA``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3850) - Use CRA (Clean Random Access Unit) picture encoding.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3851) * - ``V4L2_MPEG_VIDEO_HEVC_REFRESH_IDR``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3852) - Use IDR (Instantaneous Decoding Refresh) picture encoding.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3853)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3854) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3855)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3856) \normalsize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3857)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3858)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3859) ``V4L2_CID_MPEG_VIDEO_HEVC_REFRESH_PERIOD (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3860) Selects the refresh period for HEVC encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3861) This specifies the number of I pictures between two CRA/IDR pictures.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3862) This is valid only if REFRESH_TYPE is not 0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3863)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3864) ``V4L2_CID_MPEG_VIDEO_HEVC_LOSSLESS_CU (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3865) Indicates HEVC lossless encoding. Setting it to 0 disables lossless
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3866) encoding. Setting it to 1 enables lossless encoding.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3867)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3868) ``V4L2_CID_MPEG_VIDEO_HEVC_CONST_INTRA_PRED (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3869) Indicates constant intra prediction for HEVC encoder. Specifies the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3870) constrained intra prediction in which intra largest coding unit (LCU)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3871) prediction is performed by using residual data and decoded samples of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3872) neighboring intra LCU only. Setting the value to 1 enables constant intra
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3873) prediction and setting the value to 0 disables constant intra prediction.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3874)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3875) ``V4L2_CID_MPEG_VIDEO_HEVC_WAVEFRONT (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3876) Indicates wavefront parallel processing for HEVC encoder. Setting it to 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3877) disables the feature and setting it to 1 enables the wavefront parallel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3878) processing.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3879)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3880) ``V4L2_CID_MPEG_VIDEO_HEVC_GENERAL_PB (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3881) Setting the value to 1 enables combination of P and B frame for HEVC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3882) encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3883)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3884) ``V4L2_CID_MPEG_VIDEO_HEVC_TEMPORAL_ID (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3885) Indicates temporal identifier for HEVC encoder which is enabled by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3886) setting the value to 1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3887)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3888) ``V4L2_CID_MPEG_VIDEO_HEVC_STRONG_SMOOTHING (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3889) Indicates bi-linear interpolation is conditionally used in the intra
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3890) prediction filtering process in the CVS when set to 1. Indicates bi-linear
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3891) interpolation is not used in the CVS when set to 0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3892)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3893) ``V4L2_CID_MPEG_VIDEO_HEVC_MAX_NUM_MERGE_MV_MINUS1 (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3894) Indicates maximum number of merge candidate motion vectors.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3895) Values are from 0 to 4.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3896)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3897) ``V4L2_CID_MPEG_VIDEO_HEVC_TMV_PREDICTION (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3898) Indicates temporal motion vector prediction for HEVC encoder. Setting it to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3899) 1 enables the prediction. Setting it to 0 disables the prediction.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3900)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3901) ``V4L2_CID_MPEG_VIDEO_HEVC_WITHOUT_STARTCODE (boolean)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3902) Specifies if HEVC generates a stream with a size of the length field
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3903) instead of start code pattern. The size of the length field is configurable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3904) through the V4L2_CID_MPEG_VIDEO_HEVC_SIZE_OF_LENGTH_FIELD control. Setting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3905) the value to 0 disables encoding without startcode pattern. Setting the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3906) value to 1 will enables encoding without startcode pattern.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3907)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3908) .. _v4l2-hevc-size-of-length-field:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3909)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3910) ``V4L2_CID_MPEG_VIDEO_HEVC_SIZE_OF_LENGTH_FIELD``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3911) (enum)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3912)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3913) enum v4l2_mpeg_video_hevc_size_of_length_field -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3914) Indicates the size of length field.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3915) This is valid when encoding WITHOUT_STARTCODE_ENABLE is enabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3916)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3917) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3918)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3919) \footnotesize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3920)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3921) .. tabularcolumns:: |p{6.0cm}|p{11.0cm}|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3922)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3923) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3924) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3925) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3926)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3927) * - ``V4L2_MPEG_VIDEO_HEVC_SIZE_0``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3928) - Generate start code pattern (Normal).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3929) * - ``V4L2_MPEG_VIDEO_HEVC_SIZE_1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3930) - Generate size of length field instead of start code pattern and length is 1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3931) * - ``V4L2_MPEG_VIDEO_HEVC_SIZE_2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3932) - Generate size of length field instead of start code pattern and length is 2.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3933) * - ``V4L2_MPEG_VIDEO_HEVC_SIZE_4``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3934) - Generate size of length field instead of start code pattern and length is 4.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3935)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3936) .. raw:: latex
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3937)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3938) \normalsize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3939)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3940) ``V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_L0_BR (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3941) Indicates bit rate for hierarchical coding layer 0 for HEVC encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3942)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3943) ``V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_L1_BR (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3944) Indicates bit rate for hierarchical coding layer 1 for HEVC encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3945)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3946) ``V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_L2_BR (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3947) Indicates bit rate for hierarchical coding layer 2 for HEVC encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3948)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3949) ``V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_L3_BR (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3950) Indicates bit rate for hierarchical coding layer 3 for HEVC encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3951)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3952) ``V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_L4_BR (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3953) Indicates bit rate for hierarchical coding layer 4 for HEVC encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3954)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3955) ``V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_L5_BR (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3956) Indicates bit rate for hierarchical coding layer 5 for HEVC encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3957)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3958) ``V4L2_CID_MPEG_VIDEO_HEVC_HIER_CODING_L6_BR (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3959) Indicates bit rate for hierarchical coding layer 6 for HEVC encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3960)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3961) ``V4L2_CID_MPEG_VIDEO_REF_NUMBER_FOR_PFRAMES (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3962) Selects number of P reference pictures required for HEVC encoder.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3963) P-Frame can use 1 or 2 frames for reference.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3964)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3965) ``V4L2_CID_MPEG_VIDEO_PREPEND_SPSPPS_TO_IDR (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3966) Indicates whether to generate SPS and PPS at every IDR. Setting it to 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3967) disables generating SPS and PPS at every IDR. Setting it to one enables
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3968) generating SPS and PPS at every IDR.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3969)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3970) .. _v4l2-mpeg-hevc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3971)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3972) ``V4L2_CID_MPEG_VIDEO_HEVC_SPS (struct)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3973) Specifies the Sequence Parameter Set fields (as extracted from the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3974) bitstream) for the associated HEVC slice data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3975) These bitstream parameters are defined according to :ref:`hevc`.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3976) They are described in section 7.4.3.2 "Sequence parameter set RBSP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3977) semantics" of the specification.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3978)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3979) .. c:type:: v4l2_ctrl_hevc_sps
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3980)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3981) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3982)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3983) .. flat-table:: struct v4l2_ctrl_hevc_sps
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3984) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3985) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3986) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3987)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3988) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3989) - ``pic_width_in_luma_samples``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3990) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3991) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3992) - ``pic_height_in_luma_samples``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3993) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3994) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3995) - ``bit_depth_luma_minus8``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3996) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3997) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3998) - ``bit_depth_chroma_minus8``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3999) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4000) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4001) - ``log2_max_pic_order_cnt_lsb_minus4``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4002) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4003) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4004) - ``sps_max_dec_pic_buffering_minus1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4005) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4006) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4007) - ``sps_max_num_reorder_pics``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4008) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4009) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4010) - ``sps_max_latency_increase_plus1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4011) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4012) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4013) - ``log2_min_luma_coding_block_size_minus3``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4014) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4015) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4016) - ``log2_diff_max_min_luma_coding_block_size``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4017) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4018) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4019) - ``log2_min_luma_transform_block_size_minus2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4020) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4021) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4022) - ``log2_diff_max_min_luma_transform_block_size``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4023) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4024) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4025) - ``max_transform_hierarchy_depth_inter``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4026) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4027) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4028) - ``max_transform_hierarchy_depth_intra``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4029) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4030) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4031) - ``pcm_sample_bit_depth_luma_minus1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4032) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4033) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4034) - ``pcm_sample_bit_depth_chroma_minus1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4035) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4036) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4037) - ``log2_min_pcm_luma_coding_block_size_minus3``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4038) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4039) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4040) - ``log2_diff_max_min_pcm_luma_coding_block_size``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4041) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4042) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4043) - ``num_short_term_ref_pic_sets``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4044) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4045) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4046) - ``num_long_term_ref_pics_sps``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4047) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4048) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4049) - ``chroma_format_idc``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4050) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4051) * - __u64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4052) - ``flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4053) - See :ref:`Sequence Parameter Set Flags <hevc_sps_flags>`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4054)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4055) .. _hevc_sps_flags:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4056)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4057) ``Sequence Parameter Set Flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4058)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4059) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4060)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4061) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4062) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4063) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4064) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4065)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4066) * - ``V4L2_HEVC_SPS_FLAG_SEPARATE_COLOUR_PLANE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4067) - 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4068) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4069) * - ``V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4070) - 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4071) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4072) * - ``V4L2_HEVC_SPS_FLAG_AMP_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4073) - 0x00000004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4074) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4075) * - ``V4L2_HEVC_SPS_FLAG_SAMPLE_ADAPTIVE_OFFSET``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4076) - 0x00000008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4077) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4078) * - ``V4L2_HEVC_SPS_FLAG_PCM_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4079) - 0x00000010
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4080) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4081) * - ``V4L2_HEVC_SPS_FLAG_PCM_LOOP_FILTER_DISABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4082) - 0x00000020
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4083) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4084) * - ``V4L2_HEVC_SPS_FLAG_LONG_TERM_REF_PICS_PRESENT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4085) - 0x00000040
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4086) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4087) * - ``V4L2_HEVC_SPS_FLAG_SPS_TEMPORAL_MVP_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4088) - 0x00000080
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4089) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4090) * - ``V4L2_HEVC_SPS_FLAG_STRONG_INTRA_SMOOTHING_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4091) - 0x00000100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4092) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4093)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4094) ``V4L2_CID_MPEG_VIDEO_HEVC_PPS (struct)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4095) Specifies the Picture Parameter Set fields (as extracted from the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4096) bitstream) for the associated HEVC slice data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4097) These bitstream parameters are defined according to :ref:`hevc`.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4098) They are described in section 7.4.3.3 "Picture parameter set RBSP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4099) semantics" of the specification.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4101) .. c:type:: v4l2_ctrl_hevc_pps
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4103) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4105) .. flat-table:: struct v4l2_ctrl_hevc_pps
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4106) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4107) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4108) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4110) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4111) - ``num_extra_slice_header_bits``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4112) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4113) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4114) - ``init_qp_minus26``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4115) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4116) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4117) - ``diff_cu_qp_delta_depth``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4118) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4119) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4120) - ``pps_cb_qp_offset``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4121) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4122) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4123) - ``pps_cr_qp_offset``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4124) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4125) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4126) - ``num_tile_columns_minus1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4127) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4128) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4129) - ``num_tile_rows_minus1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4130) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4131) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4132) - ``column_width_minus1[20]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4133) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4134) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4135) - ``row_height_minus1[22]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4136) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4137) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4138) - ``pps_beta_offset_div2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4139) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4140) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4141) - ``pps_tc_offset_div2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4142) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4143) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4144) - ``log2_parallel_merge_level_minus2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4145) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4146) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4147) - ``padding[4]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4148) - Applications and drivers must set this to zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4149) * - __u64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4150) - ``flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4151) - See :ref:`Picture Parameter Set Flags <hevc_pps_flags>`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4153) .. _hevc_pps_flags:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4155) ``Picture Parameter Set Flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4157) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4159) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4160) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4161) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4162) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4164) * - ``V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4165) - 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4166) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4167) * - ``V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4168) - 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4169) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4170) * - ``V4L2_HEVC_PPS_FLAG_SIGN_DATA_HIDING_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4171) - 0x00000004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4172) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4173) * - ``V4L2_HEVC_PPS_FLAG_CABAC_INIT_PRESENT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4174) - 0x00000008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4175) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4176) * - ``V4L2_HEVC_PPS_FLAG_CONSTRAINED_INTRA_PRED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4177) - 0x00000010
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4178) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4179) * - ``V4L2_HEVC_PPS_FLAG_TRANSFORM_SKIP_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4180) - 0x00000020
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4181) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4182) * - ``V4L2_HEVC_PPS_FLAG_CU_QP_DELTA_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4183) - 0x00000040
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4184) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4185) * - ``V4L2_HEVC_PPS_FLAG_PPS_SLICE_CHROMA_QP_OFFSETS_PRESENT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4186) - 0x00000080
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4187) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4188) * - ``V4L2_HEVC_PPS_FLAG_WEIGHTED_PRED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4189) - 0x00000100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4190) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4191) * - ``V4L2_HEVC_PPS_FLAG_WEIGHTED_BIPRED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4192) - 0x00000200
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4193) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4194) * - ``V4L2_HEVC_PPS_FLAG_TRANSQUANT_BYPASS_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4195) - 0x00000400
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4196) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4197) * - ``V4L2_HEVC_PPS_FLAG_TILES_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4198) - 0x00000800
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4199) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4200) * - ``V4L2_HEVC_PPS_FLAG_ENTROPY_CODING_SYNC_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4201) - 0x00001000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4202) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4203) * - ``V4L2_HEVC_PPS_FLAG_LOOP_FILTER_ACROSS_TILES_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4204) - 0x00002000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4205) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4206) * - ``V4L2_HEVC_PPS_FLAG_PPS_LOOP_FILTER_ACROSS_SLICES_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4207) - 0x00004000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4208) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4209) * - ``V4L2_HEVC_PPS_FLAG_DEBLOCKING_FILTER_OVERRIDE_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4210) - 0x00008000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4211) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4212) * - ``V4L2_HEVC_PPS_FLAG_PPS_DISABLE_DEBLOCKING_FILTER``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4213) - 0x00010000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4214) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4215) * - ``V4L2_HEVC_PPS_FLAG_LISTS_MODIFICATION_PRESENT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4216) - 0x00020000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4217) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4218) * - ``V4L2_HEVC_PPS_FLAG_SLICE_SEGMENT_HEADER_EXTENSION_PRESENT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4219) - 0x00040000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4220) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4222) ``V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS (struct)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4223) Specifies various slice-specific parameters, especially from the NAL unit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4224) header, general slice segment header and weighted prediction parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4225) parts of the bitstream.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4226) These bitstream parameters are defined according to :ref:`hevc`.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4227) They are described in section 7.4.7 "General slice segment header
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4228) semantics" of the specification.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4230) .. c:type:: v4l2_ctrl_hevc_slice_params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4232) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4234) .. flat-table:: struct v4l2_ctrl_hevc_slice_params
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4235) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4236) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4237) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4239) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4240) - ``bit_size``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4241) - Size (in bits) of the current slice data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4242) * - __u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4243) - ``data_bit_offset``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4244) - Offset (in bits) to the video data in the current slice data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4245) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4246) - ``nal_unit_type``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4247) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4248) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4249) - ``nuh_temporal_id_plus1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4250) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4251) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4252) - ``slice_type``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4253) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4254) (V4L2_HEVC_SLICE_TYPE_I, V4L2_HEVC_SLICE_TYPE_P or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4255) V4L2_HEVC_SLICE_TYPE_B).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4256) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4257) - ``colour_plane_id``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4258) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4259) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4260) - ``slice_pic_order_cnt``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4261) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4262) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4263) - ``num_ref_idx_l0_active_minus1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4264) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4265) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4266) - ``num_ref_idx_l1_active_minus1``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4267) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4268) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4269) - ``collocated_ref_idx``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4270) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4271) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4272) - ``five_minus_max_num_merge_cand``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4273) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4274) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4275) - ``slice_qp_delta``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4276) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4277) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4278) - ``slice_cb_qp_offset``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4279) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4280) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4281) - ``slice_cr_qp_offset``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4282) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4283) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4284) - ``slice_act_y_qp_offset``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4285) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4286) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4287) - ``slice_act_cb_qp_offset``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4288) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4289) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4290) - ``slice_act_cr_qp_offset``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4291) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4292) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4293) - ``slice_beta_offset_div2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4294) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4295) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4296) - ``slice_tc_offset_div2``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4297) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4298) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4299) - ``pic_struct``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4300) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4301) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4302) - ``num_active_dpb_entries``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4303) - The number of entries in ``dpb``.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4304) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4305) - ``ref_idx_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4306) - The list of L0 reference elements as indices in the DPB.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4307) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4308) - ``ref_idx_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4309) - The list of L1 reference elements as indices in the DPB.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4310) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4311) - ``num_rps_poc_st_curr_before``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4312) - The number of reference pictures in the short-term set that come before
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4313) the current frame.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4314) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4315) - ``num_rps_poc_st_curr_after``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4316) - The number of reference pictures in the short-term set that come after
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4317) the current frame.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4318) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4319) - ``num_rps_poc_lt_curr``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4320) - The number of reference pictures in the long-term set.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4321) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4322) - ``padding[7]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4323) - Applications and drivers must set this to zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4324) * - struct :c:type:`v4l2_hevc_dpb_entry`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4325) - ``dpb[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4326) - The decoded picture buffer, for meta-data about reference frames.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4327) * - struct :c:type:`v4l2_hevc_pred_weight_table`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4328) - ``pred_weight_table``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4329) - The prediction weight coefficients for inter-picture prediction.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4330) * - __u64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4331) - ``flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4332) - See :ref:`Slice Parameters Flags <hevc_slice_params_flags>`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4334) .. _hevc_slice_params_flags:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4336) ``Slice Parameters Flags``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4338) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4340) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4341) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4342) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4343) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4345) * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_LUMA``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4346) - 0x00000001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4347) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4348) * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_SAO_CHROMA``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4349) - 0x00000002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4350) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4351) * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_TEMPORAL_MVP_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4352) - 0x00000004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4353) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4354) * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_MVD_L1_ZERO``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4355) - 0x00000008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4356) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4357) * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_CABAC_INIT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4358) - 0x00000010
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4359) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4360) * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_COLLOCATED_FROM_L0``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4361) - 0x00000020
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4362) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4363) * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_USE_INTEGER_MV``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4364) - 0x00000040
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4365) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4366) * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_DEBLOCKING_FILTER_DISABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4367) - 0x00000080
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4368) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4369) * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4370) - 0x00000100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4371) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4372) * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4373) - 0x00000200
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4374) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4376) .. c:type:: v4l2_hevc_dpb_entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4378) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4380) .. flat-table:: struct v4l2_hevc_dpb_entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4381) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4382) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4383) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4385) * - __u64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4386) - ``timestamp``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4387) - Timestamp of the V4L2 capture buffer to use as reference, used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4388) with B-coded and P-coded frames. The timestamp refers to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4389) ``timestamp`` field in struct :c:type:`v4l2_buffer`. Use the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4390) :c:func:`v4l2_timeval_to_ns()` function to convert the struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4391) :c:type:`timeval` in struct :c:type:`v4l2_buffer` to a __u64.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4392) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4393) - ``rps``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4394) - The reference set for the reference frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4395) (V4L2_HEVC_DPB_ENTRY_RPS_ST_CURR_BEFORE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4396) V4L2_HEVC_DPB_ENTRY_RPS_ST_CURR_AFTER or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4397) V4L2_HEVC_DPB_ENTRY_RPS_LT_CURR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4398) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4399) - ``field_pic``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4400) - Whether the reference is a field picture or a frame.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4401) * - __u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4402) - ``pic_order_cnt[2]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4403) - The picture order count of the reference. Only the first element of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4404) array is used for frame pictures, while the first element identifies the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4405) top field and the second the bottom field in field-coded pictures.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4406) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4407) - ``padding[2]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4408) - Applications and drivers must set this to zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4410) .. c:type:: v4l2_hevc_pred_weight_table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4412) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4413)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4414) .. flat-table:: struct v4l2_hevc_pred_weight_table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4415) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4416) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4417) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4419) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4420) - ``luma_log2_weight_denom``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4421) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4422) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4423) - ``delta_chroma_log2_weight_denom``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4424) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4425) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4426) - ``delta_luma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4427) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4428) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4429) - ``luma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4430) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4431) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4432) - ``delta_chroma_weight_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4433) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4434) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4435) - ``chroma_offset_l0[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4436) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4437) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4438) - ``delta_luma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4439) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4440) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4441) - ``luma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4442) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4443) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4444) - ``delta_chroma_weight_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4445) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4446) * - __s8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4447) - ``chroma_offset_l1[V4L2_HEVC_DPB_ENTRIES_NUM_MAX][2]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4448) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4449) * - __u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4450) - ``padding[6]``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4451) - Applications and drivers must set this to zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4453) ``V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE (enum)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4454) Specifies the decoding mode to use. Currently exposes slice-based and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4455) frame-based decoding but new modes might be added later on.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4456) This control is used as a modifier for V4L2_PIX_FMT_HEVC_SLICE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4457) pixel format. Applications that support V4L2_PIX_FMT_HEVC_SLICE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4458) are required to set this control in order to specify the decoding mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4459) that is expected for the buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4460) Drivers may expose a single or multiple decoding modes, depending
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4461) on what they can support.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4463) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4465) This menu control is not yet part of the public kernel API and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4466) it is expected to change.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4468) .. c:type:: v4l2_mpeg_video_hevc_decode_mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4469)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4470) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4471)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4472) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4473) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4474) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4475) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4476)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4477) * - ``V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_SLICE_BASED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4478) - 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4479) - Decoding is done at the slice granularity.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4480) The OUTPUT buffer must contain a single slice.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4481) * - ``V4L2_MPEG_VIDEO_HEVC_DECODE_MODE_FRAME_BASED``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4482) - 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4483) - Decoding is done at the frame granularity.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4484) The OUTPUT buffer must contain all slices needed to decode the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4485) frame. The OUTPUT buffer must also contain both fields.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4487) ``V4L2_CID_MPEG_VIDEO_HEVC_START_CODE (enum)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4488) Specifies the HEVC slice start code expected for each slice.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4489) This control is used as a modifier for V4L2_PIX_FMT_HEVC_SLICE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4490) pixel format. Applications that support V4L2_PIX_FMT_HEVC_SLICE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4491) are required to set this control in order to specify the start code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4492) that is expected for the buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4493) Drivers may expose a single or multiple start codes, depending
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4494) on what they can support.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4496) .. note::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4497)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4498) This menu control is not yet part of the public kernel API and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4499) it is expected to change.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4500)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4501) .. c:type:: v4l2_mpeg_video_hevc_start_code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4502)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4503) .. cssclass:: longtable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4504)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4505) .. flat-table::
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4506) :header-rows: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4507) :stub-columns: 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4508) :widths: 1 1 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4510) * - ``V4L2_MPEG_VIDEO_HEVC_START_CODE_NONE``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4511) - 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4512) - Selecting this value specifies that HEVC slices are passed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4513) to the driver without any start code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4514) * - ``V4L2_MPEG_VIDEO_HEVC_START_CODE_ANNEX_B``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4515) - 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4516) - Selecting this value specifies that HEVC slices are expected
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4517) to be prefixed by Annex B start codes. According to :ref:`hevc`
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4518) valid start codes can be 3-bytes 0x000001 or 4-bytes 0x00000001.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4519)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4520) ``V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITY_ID (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4521) Specifies a priority identifier for the NAL unit, which will be applied to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4522) the base layer. By default this value is set to 0 for the base layer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4523) and the next layer will have the priority ID assigned as 1, 2, 3 and so on.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4524) The video encoder can't decide the priority id to be applied to a layer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4525) so this has to come from client.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4526) This is applicable to H264 and valid Range is from 0 to 63.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4527) Source Rec. ITU-T H.264 (06/2019); G.7.4.1.1, G.8.8.1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4528)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4529) ``V4L2_CID_MPEG_VIDEO_LTR_COUNT (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4530) Specifies the maximum number of Long Term Reference (LTR) frames at any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4531) given time that the encoder can keep.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4532) This is applicable to the H264 and HEVC encoders.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4533)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4534) ``V4L2_CID_MPEG_VIDEO_FRAME_LTR_INDEX (integer)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4535) After setting this control the frame that will be queued next
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4536) will be marked as a Long Term Reference (LTR) frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4537) and given this LTR index which ranges from 0 to LTR_COUNT-1.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4538) This is applicable to the H264 and HEVC encoders.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4539) Source Rec. ITU-T H.264 (06/2019); Table 7.9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4540)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4541) ``V4L2_CID_MPEG_VIDEO_USE_LTR_FRAMES (bitmask)``
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4542) Specifies the Long Term Reference (LTR) frame(s) to be used for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4543) encoding the next frame queued after setting this control.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4544) This provides a bitmask which consists of bits [0, LTR_COUNT-1].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4545) This is applicable to the H264 and HEVC encoders.
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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