"zhilizhao(赵志立)" <quinkbl...@foxmail.com> 于2021年6月10日周四 下午12:15写道: > > Ping. > > > On Apr 27, 2021, at 1:09 PM, Zhao Zhili <quinkbl...@foxmail.com> wrote: > > > > From: zhilizhao <zhiliz...@tencent.com> > > > > Simple test results: > > > > Command: > > ./ffmpeg -y -hwaccel videotoolbox -hwaccel_output_format videotoolbox_vld \ > > -i test.mp4 -an -c:v h264_videotoolbox -benchmark out.mp4 > > > > Before: > > frame= 1221 fps= 66 q=-0.0 Lsize= 3144kB time=00:00:20.33 > > bitrate=1266.6kbits/s dup=4 drop=0 speed= 1.1x > > bench: utime=2.714s stime=1.218s rtime=18.574s > > > > After: > > frame= 1221 fps=137 q=-0.0 Lsize= 3144kB time=00:00:20.33 > > bitrate=1266.4kbits/s dup=4 drop=0 speed=2.28x > > bench: utime=1.450s stime=1.440s rtime=8.924s > > > > It has limited usecase since there is no video filter support, so > > a log message is added to notify the user. > > --- > > It has a good performance with limited usecases like transcoding without > > autoscale/autorotate, and I don't know if it break some special usecase, > > since the RFC. > > > > fftools/ffmpeg_videotoolbox.c | 8 ++++++++ > > 1 file changed, 8 insertions(+) > > > > diff --git a/fftools/ffmpeg_videotoolbox.c b/fftools/ffmpeg_videotoolbox.c > > index a6b78d0f7d..4ba8618539 100644 > > --- a/fftools/ffmpeg_videotoolbox.c > > +++ b/fftools/ffmpeg_videotoolbox.c > > @@ -29,6 +29,7 @@ > > > > typedef struct VTContext { > > AVFrame *tmp_frame; > > + int log_once; > > } VTContext; > > > > char *videotoolbox_pixfmt; > > @@ -44,6 +45,13 @@ static int videotoolbox_retrieve_data(AVCodecContext *s, > > AVFrame *frame) > > int linesize[4] = { 0 }; > > int planes, ret, i; > > > > + if (frame->format == ist->hwaccel_output_format) { > > + av_log_once(s, AV_LOG_INFO, AV_LOG_TRACE, &vt->log_once, > > + "There is no video filter for videotoolbox pix_fmt now, remove > > the " > > + "-hwaccel_output_format option if video filter doesn't > > work\n"); > > + return 0; > > + } > > + > > av_frame_unref(vt->tmp_frame); > > > > switch (pixel_format) { > > -- > > 2.31.1 > > > > _______________________________________________ > > 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". > > > > _______________________________________________ > 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".
pushed Thanks Steven _______________________________________________ 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".