[0:v]split=4[c0v][c1v][c2v][c3v];[0:a]asplit=4[c0a][c1a][c2a][c3a];[c0v] trim=start=0:end=26.321,setpts=PTS-STARTPTS,fps=25,settb=AVTB [t0v]; [c0a] atrim=start=0:end=25.821,asetpts=PTS-STARTPTS [t0a]; [c1v] trim=start=103.62100000000001:end=127.37100000000001,setpts=PTS-STARTPTS,fps=25,settb=AVTB [t1v]; [c1a] atrim=start=103.62100000000001:end=126.87100000000001,asetpts=PTS-STARTPTS [t1a]; [c2v] trim=start=396.8910000000001:end=416.9100000000001,setpts=PTS-STARTPTS,fps=25,settb=AVTB [t2v]; [c2a] atrim=start=396.8910000000001:end=416.4100000000001,asetpts=PTS-STARTPTS [t2a]; [c3v] trim=start=653.071:end=667.7900000000001,setpts=PTS-STARTPTS,fps=25,settb=AVTB [t3v]; [c3a] atrim=start=653.071:end=667.7900000000001,asetpts=PTS-STARTPTS [t3a]; [t0v][t1v]xfade=transition=fade:duration=0.5:offset=25.821[vfade1];[vfade1][t2v]xfade=transition=fade:duration=0.5:offset=49.071[vfade2];[vfade2][t3v]xfade=transition=fade:duration=0.5:offset=68.59[outv];[t0a][t1a][t2a][t3a]concat=n=4:v=0:a=1[outa];