[0:v]split=3[c0v][c1v][c2v];[0:a]asplit=3[c0a][c1a][c2a];[c0v] trim=start=0:end=21.18,setpts=PTS-STARTPTS,fps=30,settb=AVTB [t0v]; [c0a] atrim=start=0:end=21.18,asetpts=PTS-STARTPTS [t0a]; [c1v] trim=start=21.32:end=45.08,setpts=PTS-STARTPTS,fps=30,settb=AVTB [t1v]; [c1a] atrim=start=21.32:end=45.08,asetpts=PTS-STARTPTS [t1a]; [c2v] trim=start=45.24:end=53.71,setpts=PTS-STARTPTS,fps=30,settb=AVTB [t2v]; [c2a] atrim=start=45.24:end=53.71,asetpts=PTS-STARTPTS [t2a]; [t0v][t1v]concat=n=2:v=1:a=0[vfade1]; [vfade1][t2v]concat=n=2:v=1:a=0[outv]; [outv]split[lmain][vlogo];[1:v][vlogo]scale=w=oh*dar:h=rh/10[logo];[lmain][logo] overlay=W-w-20:H-h-20 [outvl]; [t0a][t1a][t2a]concat=n=3:v=0:a=1[outa];