Commit ea9f9119 authored by Stanimir Varbanov's avatar Stanimir Varbanov Committed by Mauro Carvalho Chehab
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media: docs: ext-ctrls-codec: Document cyclic intra-refresh zero control value 



In all drivers _CYCLIC_INTRA_REFRESH_MB default control value is zero
which means that the macroblocks will not be intra-refreshed. Document
this _CYCLIC_INTRA_REFRESH_MB control behaviour in control description.

Acked-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarStanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 1ac61faf

Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst

+3 −1
Original line number Diff line number Diff line
@@ -1174,7 +1174,9 @@ enum v4l2_mpeg_video_h264_entropy_mode - 
    Cyclic intra macroblock refresh. This is the number of continuous

    macroblocks refreshed every frame. Each frame a successive set of

    macroblocks is refreshed until the cycle completes and starts from

    the top of the frame. Applicable to H264, H263 and MPEG4 encoder.

    the top of the frame. Setting this control to zero means that

    macroblocks will not be refreshed.

    Applicable to H264, H263 and MPEG4 encoder.



``V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE (boolean)``

    Frame level rate control enable. If this control is disabled then