mirror of
https://github.com/heygen-com/hyperframes.git
synced 2026-09-01 19:42:03 +00:00
Miguel Ángel
43e9252065
## Summary - Adds `--format mov` to the render CLI for ProRes 4444 transparent video output - ProRes 4444 with alpha is the industry standard for transparent video overlays, supported by CapCut, Final Cut, Premiere, DaVinci, and After Effects - WebM VP9 alpha technically works but is ignored by all major video editors — only browsers decode it - Adds MOV to the studio export dropdown alongside MP4 and WebM ## Transparency format comparison | Format | Codec | Alpha | Video editors | Browsers | File size | | --- | --- | --- | --- | --- | --- | | **MOV** | ProRes 4444 | Yes | CapCut, Final Cut, Premiere, DaVinci, After Effects | No (won't play in browser) | Large (~5-40 MB) | | **WebM** | VP9 | Yes | None (shows black) | Chrome, Firefox | Small (~200 KB) | | **MP4** | H.264 | No | All | All | Small | > **Note:** ProRes MOV files do not play in Chromium browsers — they are an intermediate/editing format, not a delivery format. Use [rotato.app/tools/transparent-video](https://rotato.app/tools/transparent-video) to verify transparency works correctly. ## Changes - **CLI**: Add `mov` to `--format` validation, examples, and output path logic - **Engine**: `getEncoderPreset()` returns ProRes 4444 (`yuva444p10le`) for `mov` format; handle `.mov` in `applyFaststart` and `muxVideoWithAudio`; add `pix_fmt` to streaming encoder ProRes path - **Producer**: Treat `mov` like `webm` for alpha capture (PNG frames, screenshot mode, `forceScreenshot`) - **Studio**: Add MOV option to export format dropdown and render queue hook - **Core**: Add `mov` to studio API types, render route, and mime helpers - **Tests**: Add encoder preset tests for mov format (42 total, all passing) ## Usage ```bash hyperframes render --format mov --output overlay.mov ``` ## Test plan - [x] `pnpm build` passes - [x] `pnpm --filter @hyperframes/engine test` — 42 tests pass (2 new for MOV) - [x] `oxlint` and `oxfmt` clean on all 12 changed files - [x] End-to-end local render produces ProRes 4444 (`yuva444p12le`) with working alpha - [x] Docker render with `--format mov` — ProRes 4444 confirmed via ffprobe - [x] Studio dropdown shows MOV option in built JS - [x] Transparency verified with [rotato.app/tools/transparent-video](https://rotato.app/tools/transparent-video)
