[0:v]split=2[c0v][c1v];[0:a]asplit=2[c0a][c1a];[c0v] trim=start=0:end=15.99,setpts=PTS-STARTPTS,setsar=1:1,fps=30,settb=AVTB [t0v]; [c0a] atrim=start=0:end=15.99,asetpts=PTS-STARTPTS [t0a]; [c1v] trim=start=16.089999999999975:end=86.76999999999998,setpts=PTS-STARTPTS,setsar=1:1,fps=30,settb=AVTB [t1v]; [c1a] atrim=start=16.089999999999975:end=86.26999999999998,asetpts=PTS-STARTPTS [t1a]; [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=30,settb=AVTB [t2v]; aevalsrc=0:d=3 [t2a]; [t0v][t1v]concat=n=2:v=1:a=0[vfade1]; [vfade1][t2v]xfade=transition=fade:duration=0.5:offset=86.17[outv];[t0a][t1a][t2a]concat=n=3:v=0:a=1[outa];