[0:v]split=1[c0v];[0:a]asplit=1[c0a];[c0v] trim=start=0:end=136.12,setpts=PTS-STARTPTS,setsar=1:1,fps=24,settb=AVTB [t0v]; [c0a] atrim=start=0:end=135.62,asetpts=PTS-STARTPTS [t0a]; [1:v] scale=1920:1080:force_original_aspect_ratio=1,pad=1920:1080:(ow-iw)/2:(oh-ih)/2:color=white,setsar=1:1,fps=24,settb=AVTB [t1v]; [1:a] asetpts=PTS-STARTPTS [t1a]; [t0v][t1v]xfade=transition=fade:duration=0.5:offset=135.62[outv];[t0a][t1a]concat=n=2:v=0:a=1[outa];