[0:v]split=2[c0v][c2v];[0:a]asplit=2[c0a][c2a];[1:a]asplit=1[cm1a];[2:v] crop=6720:3780:0:350,scale=1920:1080:force_original_aspect_ratio=1,pad=1920:1080:(ow-iw)/2:(oh-ih)/2:color=white,setsar=1:1,fps=25,settb=AVTB [t0v]; aevalsrc=0:d=5 [t0a]; [c0v] trim=start=0:end=2.9,setpts=PTS-STARTPTS,fps=25,settb=AVTB [t1v]; [c0a] atrim=start=0:end=2.4,asetpts=PTS-STARTPTS [t1a]; [3:v] trim=start=0:end=6.1,setpts=PTS-STARTPTS,scale=1920:1080:force_original_aspect_ratio=1,pad=1920:1080:(ow-iw)/2:(oh-ih)/2:color=white,setsar=1:1,fps=25,settb=AVTB [t2v]; [cm1a] atrim=start=2.3999999999999995:end=7.999999999999999,asetpts=PTS-STARTPTS [t2a]; [c2v] trim=start=7.999999999999999:end=62.75,setpts=PTS-STARTPTS,fps=25,settb=AVTB [t3v]; [c2a] atrim=start=7.999999999999999:end=62.75,asetpts=PTS-STARTPTS [t3a]; [t0v][t1v]xfade=transition=fade:duration=0.5:offset=5[vfade1];[vfade1][t2v]xfade=transition=fade:duration=0.5:offset=7.4[vfade2];[vfade2][t3v]xfade=transition=fade:duration=0.5:offset=13[outv];[t0a][t1a][t2a][t3a]concat=n=4:v=0:a=1[outa];