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Enforce Remotion-first composition engine, fix FFmpeg fallback bugs

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Remotion is now the default composition engine for ALL final renders
when available — video clips, images, mixed content. FFmpeg is only
used as fallback when Remotion is not installed or for standalone
operations (trim, transcode). Also fixes three FFmpeg fallback bugs:
profile + copy codec conflict, stream order mapping, and segment
seeking for audio-first containers.
This commit is contained in:
calesthio
2026-04-04 12:39:24 -07:00
parent 38b6ec5212
commit 16647d2d36
3 changed files with 94 additions and 42 deletions
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skills/meta/video-reference-analyst.md
+6 -6
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@@ -103,12 +103,12 @@ Composition engine Remotion: available READY (preferred)
FFmpeg: available READY (fallback only)
```
**Composition engine priority:** Always check Remotion availability at this step.
When Remotion is available, it is the **primary** composition engine — use it for
transitions, animated text, still-image animation, and scene assembly. FFmpeg is
the fallback for when Remotion is unavailable, or for simple operations that don't
benefit from Remotion (pure concat, trim, audio mux). Never default to FFmpeg when
Remotion is available.
**Composition engine priority:** Remotion is the **default** composition engine for
ALL final renders — video clips, images, animated scenes, mixed content. It embeds
video natively via `<OffthreadVideo>` and handles transitions, overlays, and profile
scaling in a single React render pass. FFmpeg is only used when Remotion is
unavailable, or for standalone operations (trim, transcode, subtitle burn) outside
the composition pipeline. **Never default to FFmpeg when Remotion is available.**
Be honest about gaps. If video generation is needed but unavailable, say so clearly: