[0:v]split=4[c0v][c1v][c2v][c3v];[0:a]asplit=4[c0a][c1a][c2a][c3a];[c0v] trim=start=0:end=0.76,setpts=PTS-STARTPTS,fps=30,settb=AVTB [t0v]; [c0a] atrim=start=0:end=0.76,asetpts=PTS-STARTPTS [t0a]; [c1v] trim=start=0.9499999999999886:end=5.0799999999999885,setpts=PTS-STARTPTS,fps=30,settb=AVTB [t1v]; [c1a] atrim=start=0.9499999999999886:end=5.0799999999999885,asetpts=PTS-STARTPTS [t1a]; [c2v] trim=start=6.439999999999998:end=14.689999999999998,setpts=PTS-STARTPTS,fps=30,settb=AVTB [t2v]; [c2a] atrim=start=6.439999999999998:end=14.189999999999998,asetpts=PTS-STARTPTS [t2a]; [c3v] trim=start=21.779999999999973:end=26.259999999999973,setpts=PTS-STARTPTS,fps=30,settb=AVTB [t3v]; [c3a] atrim=start=21.779999999999973:end=26.259999999999973,asetpts=PTS-STARTPTS [t3a]; [t0v][t1v]concat=n=2:v=1:a=0[vfade1]; [vfade1][t2v]concat=n=2:v=1:a=0[vfade2]; [vfade2][t3v]xfade=transition=fade:duration=0.5:offset=12.64[outv];[t0a][t1a][t2a][t3a]concat=n=4:v=0:a=1[outa];