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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
parent ed141c74d0
commit c673ee85b9
16 changed files with 357 additions and 28 deletions
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docs/architecture.md
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@@ -666,7 +666,8 @@ file.exportMedia {path, preset?, settings?, format?, range?, …} export.qui
| `mjpeg` | built in | MOV |
| `mxf-op1a` | DNxHR (default), ProRes or H.264 (Annex B, long GOP), `mxfVideoCodec`; PCM 16/24-bit | MXF OP1a (`filmcraft-mxf` writer: frame-wrapped, index with temporal offsets, start timecode) |
| `mxf-opatom` | as `mxf-op1a` | Avid-style MXF OP-Atom: clip-wrapped picture at `path`, one mono PCM file per channel (`<stem>_A1.mxf` …, `Report::extra_files`) |
| `png`, `tiff`, `bmp` | `image` | numbered stills `<name>000.<ext>`, `<name>001.<ext>` … |
| `png`, `tiff`, `bmp`, `jpg` | `image` | numbered stills `<name>000.<ext>`, `<name>001.<ext>` … |
| `tga`, `dpx` | built in (`raster.rs`: uncompressed Targa 24/32-bit; DPX 10-bit RGB, SMPTE ST 268) | numbered stills, as above |
| `gif`, `wav`, `aiff` | built in / `image` | GIF / RIFF WAVE (`WAVE_FORMAT_EXTENSIBLE` for 5.1) / AIFF (16- or 24-bit PCM) |
- **Reproducible.** The same project and settings give the same file on every machine. Frames render