| Message ID | 20210622113958.809173-2-stanimir.varbanov@linaro.org |
|---|---|
| State | Accepted |
| Commit | ea9f91199ca99dd9b3fba004b7614eed233ba1ac |
| Headers | show |
| Series | [v5,1/3] docs: ext-ctrls-codec: Document cyclic intra-refresh zero control value | expand |
On 22/06/2021 13:39, Stanimir Varbanov wrote: > 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. > > Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org> Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Thanks! Hans > --- > Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst > index 8c6e2a11ed95..addf44b99dfa 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. > > ``V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE (boolean)`` > Frame level rate control enable. If this control is disabled then >
diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst index 8c6e2a11ed95..addf44b99dfa 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. ``V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE (boolean)`` Frame level rate control enable. If this control is disabled then
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. Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org> --- Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) -- 2.25.1