diff options
authorStanimir Varbanov <stanimir.varbanov@linaro.org>2021-06-22 13:39:56 +0200
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2021-08-04 14:43:52 +0200
commitea9f91199ca99dd9b3fba004b7614eed233ba1ac (patch)
parent1ac61faf6ebbce59fccbb53d7faf25576e9897ab (diff)
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: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
index dc096a5562cd..999b2360cef8 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
@@ -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.
Frame level rate control enable. If this control is disabled then

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