[0:v]split=1[c0v];[0:a]asplit=1[c0a];[1:a]asplit=1[cm1a];[c0v] trim=start=0:end=33.63,setpts=PTS-STARTPTS,fps=30,settb=AVTB [t0v]; [c0a] atrim=start=0:end=33.13,asetpts=PTS-STARTPTS [t0a]; [2:v] crop=5184:2916:0:1,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=33.13000000000011:end=46.97000000000011,asetpts=PTS-STARTPTS [t1a]; [t0v][t1v]xfade=transition=fade:duration=0.5:offset=33.13[outv];[t0a][t1a]concat=n=2:v=0:a=1[outa];