[0: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[i_video];color=c=black:s=1920x1080:r=30:d=0.5[i_black];[i_video][i_black]concat=n=2:v=1:a=0,settb=AVTB [t0v]; aevalsrc=0|0:d=2 [t0a]; [1:v]split=4[c0v][c1v][c2v][c3v];[1:a]asplit=4[c0a][c1a][c2a][c3a];[c0v] trim=start=0:end=9.34,setpts=PTS-STARTPTS,setsar=1:1,fps=30,settb=AVTB [t1v]; [c0a] atrim=start=0:end=8.84,asetpts=PTS-STARTPTS [t1a]; [c1v] trim=start=82.88:end=84.75999999999999,setpts=PTS-STARTPTS,setsar=1:1,fps=30,settb=AVTB [t2v]; [c1a] atrim=start=82.88:end=84.75999999999999,asetpts=PTS-STARTPTS [t2a]; [c2v] trim=start=85.42:end=87.46000000000001,setpts=PTS-STARTPTS,setsar=1:1,fps=30,settb=AVTB [t3v]; [c2a] atrim=start=85.42:end=87.46000000000001,asetpts=PTS-STARTPTS [t3a]; [c3v] trim=start=87.68:end=94.16000000000001,setpts=PTS-STARTPTS,setsar=1:1,fps=30,settb=AVTB [t4v]; [c3a] atrim=start=87.68:end=93.66000000000001,asetpts=PTS-STARTPTS [t4a]; [2: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 [t5v]; aevalsrc=0:d=2 [t5a]; [t0v][t1v]xfade=transition=fade:duration=0.5:offset=2[vfade1];[vfade1][t2v]xfade=transition=fade:duration=0.5:offset=10.84[vfade2];[vfade2][t3v]concat=n=2:v=1:a=0[vfade3]; [vfade3][t4v]concat=n=2:v=1:a=0[vfade4]; [vfade4][t5v]xfade=transition=fade:duration=0.5:offset=20.74[outv];[t0a][t1a][t2a][t3a][t4a][t5a]concat=n=6:v=0:a=1[outa];