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feat: add HEIC/HEIF format support for input and output

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Add bidirectional HEIC support using system libheif CLI tools (heif-enc/heif-dec)
for HEVC encoding/decoding, since Sharp's bundled libheif only supports AV1.

- HEIC input: all tools now accept iPhone HEIC photos via heif-dec pre-processing
- HEIC output: convert tool produces true HEIC (HEVC) via heif-enc
- Docker: adds libheif-examples package for heif-enc/heif-dec CLI tools
- Tests: full conversion matrix (7x7), unit tests, and Playwright e2e tests
- Docs: updated OpenAPI spec, image-engine docs, getting-started, llms-full.txt
This commit is contained in:
Siddharth Kumar Sah
2026-04-04 21:33:48 +08:00
parent 84283c16bd
commit 6717c17a26
21 changed files with 193 additions and 20 deletions
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apps/docs/api/image-engine.md
+2 -2
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@@ -52,7 +52,7 @@ Change the image format.
| Parameter | Type | Description |
|---|---|---|
| `format` | string | Target format: `jpeg`, `png`, `webp`, `avif`, `tiff`, `gif` |
| `format` | string | Target format: `jpeg`, `png`, `webp`, `avif`, `tiff`, `gif`, `heic` |
| `quality` | number | Compression quality (1-100, applies to lossy formats) |
### compress
@@ -102,7 +102,7 @@ Adjust individual RGB color channels.
The engine detects input formats automatically from file headers, not just file extensions. This means a `.jpg` file that is actually a PNG will be handled correctly.
Supported input formats: JPEG, PNG, WebP, AVIF, TIFF, GIF, SVG, RAW (via libraw).
Supported input formats: JPEG, PNG, WebP, AVIF, TIFF, GIF, HEIC/HEIF, SVG, RAW (via libraw).
## Metadata extraction