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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. Reviewed-by: Steven Liu <liuqi05@kuaishou.com>pull/362/head
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