[0:v]split=1[c1v];[0:a]asplit=1[c1a];[1:a]asplit=1[cm0a];[2:v] crop=5297:2979:0:572,scale=1280:720:force_original_aspect_ratio=1,pad=1280:720:(ow-iw)/2:(oh-ih)/2:color=white,setsar=1:1,fps=15,settb=AVTB [t0v]; [cm0a] atrim=start=0:end=7.68,asetpts=PTS-STARTPTS [t0a]; [c1v] trim=start=7.679999999999999:end=24.46,setpts=PTS-STARTPTS,fps=15,settb=AVTB [t1v]; [c1a] atrim=start=7.679999999999999:end=24.46,asetpts=PTS-STARTPTS [t1a]; [t0v][t1v]xfade=transition=fade:duration=0.5:offset=7.68[outv];[t0a][t1a]concat=n=2:v=0:a=1[outa];