标签： android
ffmpeg [-y,-i,/storage/9016-4EF8/abcd video.mp4,-af,asetrate=r=46722.3224612449211671764955071340,-filter_complex,[0:v]setpts=0.5*PTS[v];[0:a]atempo=2.0[a],-map,[v],-map,[a],-vcodec,mpeg4,/storage/emulated/0/cut_video.mp4]
此命令不起作用，请帮助我改变音调和速度