[0:v]split=2[c0v][c2v];[0:a]asplit=2[c0a][c2a];[1:a]asplit=2[cm1a][cm3a];[c0v] trim=start=0:end=4.46,setpts=PTS-STARTPTS,fps=30,settb=AVTB [t0v]; [c0a] atrim=start=0:end=3.96,asetpts=PTS-STARTPTS [t0a]; [2:v] crop=256:144:0:56,scale=1920:1080:force_original_aspect_ratio=1,pad=1920:1080:(ow-iw)/2:(oh-ih)/2:color=white,setsar=1:1,fps=30,settb=AVTB [t1v]; [cm1a] atrim=start=3.9599999999999795:end=15.76999999999998,asetpts=PTS-STARTPTS [t1a]; [c2v] trim=start=15.769999999999982:end=59.359999999999985,setpts=PTS-STARTPTS,fps=30,settb=AVTB [t2v]; [c2a] atrim=start=15.769999999999982:end=58.859999999999985,asetpts=PTS-STARTPTS [t2a]; [3:v] crop=256:144:0:56,scale=1920:1080:force_original_aspect_ratio=1,pad=1920:1080:(ow-iw)/2:(oh-ih)/2:color=white,setsar=1:1,fps=30,settb=AVTB [t3v]; [cm3a] atrim=start=62.21999999999997:end=79.53999999999996,asetpts=PTS-STARTPTS [t3a]; [t0v][t1v]xfade=transition=fade:duration=0.5:offset=3.96[vfade1];[vfade1][t2v]xfade=transition=fade:duration=0.5:offset=15.77[vfade2];[vfade2][t3v]xfade=transition=fade:duration=0.5:offset=58.86[outv];[t0a][t1a][t2a][t3a]concat=n=4:v=0:a=1[outa];