[0:v]split=2[c0v][c2v];[0:a]asplit=2[c0a][c2a];[1:a]asplit=1[cm1a];[c0v] trim=start=0:end=15.996,setpts=PTS-STARTPTS,fps=25,settb=AVTB [t0v]; [c0a] atrim=start=0:end=15.496,asetpts=PTS-STARTPTS [t0a]; [2:v] trim=start=0:end=9.308,setpts=PTS-STARTPTS,scale=1920:1080:force_original_aspect_ratio=1,pad=1920:1080:(ow-iw)/2:(oh-ih)/2:color=white,setsar=1:1,fps=25,settb=AVTB [t1v]; [cm1a] atrim=start=15.495999999999867:end=24.303999999999867,asetpts=PTS-STARTPTS [t1a]; [c2v] trim=start=24.30399999999986:end=420.41999999999985,setpts=PTS-STARTPTS,fps=25,settb=AVTB [t2v]; [c2a] atrim=start=24.30399999999986:end=420.41999999999985,asetpts=PTS-STARTPTS [t2a]; [t0v][t1v]xfade=transition=zoomin:duration=0.5:offset=15.496[vfade1];[vfade1][t2v]xfade=transition=zoomin:duration=0.5:offset=24.304000000000002[outv];[t0a][t1a][t2a]concat=n=3:v=0:a=1[outa];