Re: [FFmpeg-devel] [PATCH 2/7] lavc/vaapi_encode_h264: Enable macro block level bit rate control.

2018-11-05 Thread myp...@gmail.com
On Tue, Nov 6, 2018 at 3:40 AM Mark Thompson wrote: > > On 03/11/18 02:52, Jun Zhao wrote: > > Enables macro block level bit rate control, that generally improves > > subjective visual quality. It may have a negative impact on > > performance and objective visual quality metrics. Default is off >

Re: [FFmpeg-devel] [PATCH 2/7] lavc/vaapi_encode_h264: Enable macro block level bit rate control.

2018-11-05 Thread Mark Thompson
On 03/11/18 02:52, Jun Zhao wrote: > Enables macro block level bit rate control, that generally improves > subjective visual quality. It may have a negative impact on > performance and objective visual quality metrics. Default is off > and can't compatible with Constant QP. > > Signed-off-by: Jun

[FFmpeg-devel] [PATCH 2/7] lavc/vaapi_encode_h264: Enable macro block level bit rate control.

2018-11-02 Thread Jun Zhao
Enables macro block level bit rate control, that generally improves subjective visual quality. It may have a negative impact on performance and objective visual quality metrics. Default is off and can't compatible with Constant QP. Signed-off-by: Jun Zhao --- libavcodec/vaapi_encode_h264.c |