[0:v]split=4[c0v][c1v][c2v][c3v];[0:a]asplit=4[c0a][c1a][c2a][c3a];[c0v] trim=start=0:end=4.74,setpts=PTS-STARTPTS,fps=50,settb=AVTB [t0v]; [c0a] atrim=start=0:end=4.24,asetpts=PTS-STARTPTS [t0a]; [c1v] trim=start=9.439999999999998:end=30.089999999999996,setpts=PTS-STARTPTS,fps=50,settb=AVTB [t1v]; [c1a] atrim=start=9.439999999999998:end=29.589999999999996,asetpts=PTS-STARTPTS [t1a]; [c2v] trim=start=42.47000000000003:end=46.65000000000003,setpts=PTS-STARTPTS,fps=50,settb=AVTB [t2v]; [c2a] atrim=start=42.47000000000003:end=46.15000000000003,asetpts=PTS-STARTPTS [t2a]; [c3v] trim=start=54.879999999999995:end=92.17999999999999,setpts=PTS-STARTPTS,fps=50,settb=AVTB [t3v]; [c3a] atrim=start=54.879999999999995:end=92.17999999999999,asetpts=PTS-STARTPTS [t3a]; [t0v][t1v]xfade=transition=fade:duration=0.5:offset=4.24[vfade1];[vfade1][t2v]xfade=transition=fade:duration=0.5:offset=24.39[vfade2];[vfade2][t3v]xfade=transition=fade:duration=0.5:offset=28.07[outv];[t0a][t1a][t2a][t3a]concat=n=4:v=0:a=1[outa];