macos 使用硬件加速截取并加速视频

ffmpeg -loglevel verbose -hwaccel videotoolbox -i 00000001037000000.mp4 -ss 03:06:00 -t 00:59:59 -vf "setpts=PTS/10,format=yuv420p" -r 20 -b:v 1M -an -c:v h264_videotoolbox -preset fast output.mp4