[0:v]split=2[c0v][c2v];[0:a]asplit=2[c0a][c2a];[1:a]asplit=1[cm1a];[c0v] trim=start=0:end=30.39,setpts=PTS-STARTPTS,fps=31,settb=AVTB [t0v]; [c0a] atrim=start=0:end=29.89,asetpts=PTS-STARTPTS [t0a]; [2:v] crop=3804:2140:631:452,scale=1280:720:force_original_aspect_ratio=1,pad=1280:720:(ow-iw)/2:(oh-ih)/2:color=white,setsar=1:1,fps=31,settb=AVTB [t1v]; [cm1a] atrim=start=29.889999999999986:end=55.069999999999986,asetpts=PTS-STARTPTS [t1a]; [c2v] trim=start=55.06999999999999:end=183.10999999999999,setpts=PTS-STARTPTS,fps=31,settb=AVTB [t2v]; [c2a] atrim=start=55.06999999999999:end=183.10999999999999,asetpts=PTS-STARTPTS [t2a]; [t0v][t1v]xfade=transition=fade:duration=0.5:offset=29.89[vfade1];[vfade1][t2v]xfade=transition=fade:duration=0.5:offset=55.07[outv];[t0a][t1a][t2a]concat=n=3:v=0:a=1[outa];