Highlights
- Video pipeline stability and compatibility improvements across transparent outputs.
Fixes
- #44: Use exact detected frame rate to reduce alpha mask drift.
- #85: Explicitly map filtered video + optional audio so outputs aren’t “audio only.”
- #49, #86: Added --alpha-codec / --alpha-pix-fmt options to control alpha video encoding; lossless default remains qtrle.
- #98, #88, #152: More robust alpha merge pipeline and encoding options improve results on problematic videos.
- #168: Corrected mask usage in transparentvideooverimage so alpha is applied consistently.
User-facing changes
- New CLI flags: --alpha-codec (auto, qtrle, prores_ks, libvpx-vp9) and --alpha-pix-fmt.
- README updated with alpha codec guidance and framerate override examples.