[0:v]split=4[c0v][c1v][c2v][c3v];[0:a]asplit=4[c0a][c1a][c2a][c3a];[c0v] trim=start=0:end=43.95,setpts=PTS-STARTPTS,fps=25,settb=AVTB [t0v]; [c0a] atrim=start=0:end=43.95,asetpts=PTS-STARTPTS [t0a]; [c1v] trim=start=44.700000000000045:end=59.04900000000005,setpts=PTS-STARTPTS,fps=25,settb=AVTB [t1v]; [c1a] atrim=start=44.700000000000045:end=58.54900000000005,asetpts=PTS-STARTPTS [t1a]; [c2v] trim=start=155.77999999999997:end=205.10999999999996,setpts=PTS-STARTPTS,fps=25,settb=AVTB [t2v]; [c2a] atrim=start=155.77999999999997:end=205.10999999999996,asetpts=PTS-STARTPTS [t2a]; [c3v] trim=start=205.99:end=328.79,setpts=PTS-STARTPTS,fps=25,settb=AVTB [t3v]; [c3a] atrim=start=205.99:end=328.79,asetpts=PTS-STARTPTS [t3a]; [t0v][t1v]concat=n=2:v=1:a=0[vfade1]; [vfade1][t2v]xfade=transition=fade:duration=0.5:offset=57.79900000000001[vfade2];[vfade2][t3v]concat=n=2:v=1:a=0[outv]; [t0a][t1a][t2a][t3a]concat=n=4:v=0:a=1[outa];