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feat: add video frame format render option (#1481)

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* feat: add video frame format render option

* refactor: single source of truth for video-frame-format allow-list

Addresses PR review (Via) on #1481: the ["auto","jpg","png"] set was
declared three times — render.ts (VIDEO_FRAME_FORMATS), server.ts
(inline includes), and renderConfigValidation.ts
(ALLOWED_VIDEO_FRAME_FORMATS) — three boundaries to update when a new
extraction format lands.

Hoist the constant + a reusable `isVideoFrameFormat` type guard into
@hyperframes/engine (where VideoFrameFormat is defined) and route all
three call sites through them. Behavior unchanged; also drops two
`as RenderConfig[...]` casts in favor of the guard (narrowing over
assertion, per repo TS conventions).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Xuelong Mu <xuelongmu@gmail.com>
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
James Russo
2026-06-15 22:05:20 -07:00
committed by GitHub
co-authored by Claude Opus 4.8 Xuelong Mu
parent e812fc8895
commit 36b24acf20
18 changed files with 392 additions and 17 deletions
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packages/cli/src/docs/rendering.md
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@@ -19,6 +19,7 @@ Requires: Docker installed and running.
- `-w, --workers` — Parallel workers 1-8 (default: auto)
- `--crf` — Override encoder CRF (mutually exclusive with `--video-bitrate`)
- `--video-bitrate` — Target video bitrate such as `10M` (mutually exclusive with `--crf`)
- `--video-frame-format` — Source video frame extraction format: `auto`, `jpg`, or `png` (default: `auto`). Use `png` for UI recordings, screen captures, and color-sensitive source videos.
- `--gpu` — Use GPU encoding (NVENC, VideoToolbox, AMF, VAAPI, QSV)
- `--browser-gpu` / `--no-browser-gpu` — Force host GPU or software (SwiftShader) for Chrome/WebGL capture. Default for local renders is `auto` — probe WebGL availability on first launch and fall back to software if no GPU is reachable. Docker mode always uses software.
- `-o, --output` — Custom output path
@@ -28,5 +29,6 @@ Requires: Docker installed and running.
- Use `draft` quality for fast previews during development
- Local renders auto-detect GPU on first launch; use `--browser-gpu` to force hardware (errors if no GPU) or `--no-browser-gpu` to force SwiftShader
- Use `--gpu` when a local render also benefits from hardware FFmpeg encoding
- Use `--video-frame-format png` when source videos contain saturated UI colors that should avoid JPEG extraction
- Use `npx hyperframes benchmark` to find optimal settings
- 4 workers is usually the sweet spot for most compositions