ffmpeg -y -noautorotate -i studio3.mp4 -filter_complex "[0:v] scale=iw*min(640/iw\,480/ih):ih*min(640/iw\,480/ih), setsar=1, pad=640:480:(640-iw*min(640/iw\,480/ih))/2:(480-ih*min(640/iw\,480/ih))/2, setsar=1 [tmpco0rl0:v]; [0:a] anull [tmpco0rl0:a]; color=0x000000@0:d=3:s=640x480:r=30 [blpco0rl0:v]; [tmpco0rl0:v] [blpco0rl0:v] concat=2:v=1:a=0 [pdpco0rl0:v]; [pdpco0rl0:v] trim=1:17, setpts=PTS-STARTPTS [pco0rl0:v]; aevalsrc=0:d=3 [blpco0rl0:a]; [tmpco0rl0:a] [blpco0rl0:a] concat=2:v=0:a=1 [pdpco0rl0:a]; [pdpco0rl0:a] atrim=1:17, asetpts=PTS-STARTPTS [pco0rl0:a]; [pco0rl0:v] setpts=0.25*PTS, minterpolate=mi_mode=mci:mc_mode=aobmc:vsbmc=1 [o0rl0:v]; [pco0rl0:a] atempo=4.0 [o0rl0:a]; [o0rl0:v] concat=1:v=1:a=0 [o0o:v]; [o0rl0:a] concat=1:v=0:a=1 [o0o:a]" -map "[o0o:v]" -map "[o0o:a]" -c:a libmp3lame ex-ex.mp4

ffmpeg -y -noautorotate -i /tmp/20221228-17-1719wj1.mp4 -filter_complex "[0:v] scale=iw*min(640/iw\,480/ih):ih*min(640/iw\,480/ih), setsar=1, pad=640:480:(640-iw*min(640/iw\,480/ih))/2:(480-ih*min(640/iw\,480/ih))/2, setsar=1 [tmpco0rl0:v]; [0:a] anull [tmpco0rl0:a]; color=0x000000@0:d=3:s=640x480:r=30 [blpco0rl0:v]; [tmpco0rl0:v] [blpco0rl0:v] concat=2:v=1:a=0 [pdpco0rl0:v]; [pdpco0rl0:v] trim=1:7, setpts=PTS-STARTPTS [pco0rl0:v]; aevalsrc=0:d=3 [blpco0rl0:a]; [tmpco0rl0:a] [blpco0rl0:a] concat=2:v=0:a=1 [pdpco0rl0:a]; [pdpco0rl0:a] atrim=1:7, asetpts=PTS-STARTPTS [pco0rl0:a]; [pco0rl0:v] setpts=0.25*PTS, minterpolate=mi_mode=mci:mc_mode=aobmc:vsbmc=1 [o0rl0:v]; [pco0rl0:a] atempo=4.0 [o0rl0:a]; [o0rl0:v] concat=1:v=1:a=0 [o0o:v]; [o0rl0:a] concat=1:v=0:a=1 [o0o:a]" -map "[o0o:v]" -map "[o0o:a]" -c:a libmp3lame ex-ex.mp4

ffmpeg -y -noautorotate -i /tmp/20221228-17-1719wj1.mp4 -noautorotate -i /tmp/20221228-17-ov4gbl.flv -filter_complex "[0:v] scale=iw*min(320/iw\,200/ih):ih*min(320/iw\,200/ih), setsar=1, pad=320:200:(320-iw*min(320/iw\,200/ih))/2:(200-ih*min(320/iw\,200/ih))/2, setsar=1, fps=fps=16 [tmpco0rl0:v]; [0:a] anull [tmpco0rl0:a]; color=0x000000@0:d=3:s=320x200:r=16 [blpco0rl0:v]; [tmpco0rl0:v] [blpco0rl0:v] concat=2:v=1:a=0 [pdpco0rl0:v]; [pdpco0rl0:v] trim=0:8, setpts=PTS-STARTPTS [pco0rl0:v]; aevalsrc=0:d=3 [blpco0rl0:a]; [tmpco0rl0:a] [blpco0rl0:a] concat=2:v=0:a=1 [pdpco0rl0:a]; [pdpco0rl0:a] atrim=0:8, asetpts=PTS-STARTPTS [pco0rl0:a]; [pco0rl0:v] setpts=0.25*PTS, minterpolate=fps=60:mi_mode=mci:mc_mode=aobmc:vsbmc=1 [o0rl0:v]; [pco0rl0:a] atempo=0.5, atempo=0.5 [o0rl0:a]; [1:v] scale=iw*min(320/iw\,200/ih):ih*min(320/iw\,200/ih), setsar=1, pad=320:200:(320-iw*min(320/iw\,200/ih))/2:(200-ih*min(320/iw\,200/ih))/2, setsar=1, fps=60 [o0rl1:v]; [1:a] anull [o0rl1:a]; [o0rl0:v] [o0rl1:v] concat=2:v=1:a=0 [o0o:v]; [o0rl0:a] [o0rl1:a] concat=2:v=0:a=1 [o0o:a]" -map "[o0o:v]" -map "[o0o:a]" -c:a libmp3lame ex-ex.mp4

, fps=fps=16