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#779: export JPEG, Targa and DPX image sequences

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Problem: Premiere offers JPEG, Targa and DPX as image-sequence export
formats; FilmCraft only wrote PNG, TIFF and BMP sequences (docs/gaps.md G13).

Fix: three new export formats (ids jpg, tga, dpx), numbered like the other
sequences, with presets, the export UI (JPEG quality slider, Targa alpha)
and es/ja/zh-cn strings. JPEG uses the image crate at the export quality;
Targa (TGA 2.0, uncompressed 24/32-bit) and DPX (SMPTE ST 268, 10-bit RGB
method A, BT.709) are written by a small hostile-input-safe writer in
crates/export/src/raster.rs. Format::is_image_sequence replaces the
hand-kept format lists. OpenEXR stays open.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
vangel76
2026-10-10 23:51:41 +02:00
co-authored by Claude Opus 5.5
parent ed141c74d0
commit c673ee85b9
16 changed files with 357 additions and 28 deletions
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docs/file-format-parity.md
+3 -3
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@@ -52,12 +52,12 @@ only). "Tested" names the evidence.
| Format | Premiere | Read | Write (frame / sequence) | % |
|---|---|---|---|---|
| PNG, JPEG, TIFF, BMP, GIF | read + write | yes | PNG / TIFF / BMP sequences, GIF; **no JPEG sequence** | 80% |
| PNG, JPEG, TIFF, BMP, GIF | read + write | yes | PNG / TIFF / BMP / JPEG sequences, GIF | 90% |
| WebP | — | yes | no | ahead |
| **PSD** (layers as sequence) | read (layered) | no | — | 0% |
| **OpenEXR** | read + write | no | no | 0% |
| **DPX** | read + write | no | no | 0% |
| Targa | read + write | no | no | 0% |
| **DPX** | read + write | no | sequences (10-bit RGB, BT.709; #779) | 40% |
| Targa | read + write | no | sequences (24-bit, 32-bit with alpha; #779) | 40% |
| HEIF / HEIC | read | no | — | 0% |
| Radiance HDR, AI / EPS, ICO, PTL | read | no | — | 0% |