> -----Original Message----- > From: Zhong Li <lizhong1...@gmail.com> > Sent: Saturday, February 15, 2020 14:08 > To: FFmpeg development discussions and patches <ffmpeg- > de...@ffmpeg.org> > Cc: Fu, Linjie <linjie...@intel.com> > Subject: Re: [FFmpeg-devel] [PATCH] lavc/qsvenc: add support for external > bitrate control for HEVC > > Linjie Fu <linjie...@intel.com> 于2020年2月13日周四 下午8:50写道： > > > > Enables option for hevc_qsv encoder: > > -extbrc > > > > Improvements in BD-Rate could be observed with extbrc on. > > > > Signed-off-by: Linjie Fu <linjie...@intel.com> > > --- > > Details for extbrc: > > https://github.com/Intel-Media- > SDK/MediaSDK/blob/master/doc/mediasdk-man.md#external-bit-rate- > control > > > > The improvement differs depending on the platform/clips/bitrate. > > Based on the verifying on ICL, ~20% improvement in BD-Rate could be > observed. > > Is there any HW platform requirement for this feature? And how much > quality improvement for H264?
Should also work on KBL or latest platforms, however didn't test the detailed quality improvement data yet on other platforms or H264. > ... > > Patch LGTM Thanks for the review. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
