Posts tagged "video-composition"

The ffmpeg side by side recipe that actually works: hstack needs matching heights, vstack matching widths, and shortest=1 stops the short clip freezing.

Crossfade clips with ffmpeg xfade: transition types, the offset math people get wrong, carrying audio with acrossfade, and chaining more than two clips.

Concatenate clips programmatically with a composition API: why FFmpeg's concat demuxer breaks on mixed inputs, the real CLI commands, and the one-call fix.