Merging multiple video files with ffmpeg and xfade filter
Your offsets are incorrect. Try: ffmpeg -i v0.mp4 -i v1.mp4 -i v2.mp4 -i v3.mp4 -i v4.mp4 -filter_complex \ “[0][1:v]xfade=transition=fade:duration=1:offset=3[vfade1]; \ [vfade1][2:v]xfade=transition=fade:duration=1:offset=10[vfade2]; \ [vfade2][3:v]xfade=transition=fade:duration=1:offset=21[vfade3]; \ [vfade3][4:v]xfade=transition=fade:duration=1:offset=25,format=yuv420p; \ [0:a][1:a]acrossfade=d=1[afade1]; \ [afade1][2:a]acrossfade=d=1[afade2]; \ [afade2][3:a]acrossfade=d=1[afade3]; \ [afade3][4:a]acrossfade=d=1” \ -movflags +faststart out.mp4 How to get xfade offset values: input input duration + previous xfade offset – xfade duration offset = … Read more