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Export: use conformant ProRes alpha run termination (#2225)

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* #293: use conformant ProRes alpha run termination

Pin the direct ProRes encoder to FilmCraft e4be1577 while preserving all other codec pins. Add a full MOV export regression for final alpha runs across both 4444 profiles, alpha modes and blur settings.

* #293: document ProRes alpha export regression

* export: repin FilmCraft to the merged ProRes alpha fix and move the round-trip regression into roundtrip.rs

All FilmCraft deps pinned to d5ead4ba (squash merge of filmcraft #2991). H.264 pinned movie bytes move 104341 -> 104342: only the encoder version string in the SEI (0.8.0 -> 0.12.0) and five size fields change.
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skylar taylor-barrick
2026-11-05 22:45:23 +01:00
committed by GitHub
parent 7ce61c68fc
commit a408d990b2
6 changed files with 170 additions and 88 deletions
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docs/file-format-parity.md
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# File format parity
> **Last reviewed:** 2026-10-19 · **Last updated:** 2026-10-19 · **Change:** `.aep` / `.aepx` import (`crates/aep`: `container`, `import`) · **Target:** Adobe After Effects 2026
> **Last reviewed:** 2026-10-19 · **Last updated:** 2026-11-05 · **Change:** ProRes alpha final-run conformance; previously `.aep` / `.aepx` import (`crates/aep`: `container`, `import`) · **Target:** Adobe After Effects 2026
Every format After Effects reads or writes, with EffectCraft's support. After Effects' list comes
from its installed bundle (26.5.0.89: `Info.plist` `CFBundleDocumentTypes`, `Plug-ins/Format`,
@@ -62,7 +62,7 @@ trips and renders, checked by tests, not against After Effects), **partial** (na
| MP4 / MOV with H.264 | R/W | yes | yes (own encoder, + AAC) | decoder bit-exact on conformance streams (FilmCraft) |
| HEVC (H.265) | R/W | yes | yes (MP4 `hvc1`, Main / Main 10) | encoder bit-exact with ffmpeg's decode; no B-frames / SAO, larger files |
| AV1 | R | yes | yes (MP4 `av01`, WebM) | beyond After Effects' export; no B-frames / CDEF |
| Apple ProRes (422 family, 4444) | R/W | yes | yes | good; 4444 colour tag wrong (#340); no ProRes RAW |
| Apple ProRes (422 family, 4444) | R/W | yes | yes | alpha final-run syntax checked in exported MOVs (#293); 4444 colour tag wrong (#340); no ProRes RAW |
| WebM / Matroska (VP9, AV1, Opus) | R (limited) | yes, incl. VP9 alpha | yes | beyond After Effects |
| MXF (OP1a / OP-Atom) | R/W | yes (FilmCraft's demuxer: AVC, MPEG-2 incl. XDCAM / D-10, VC-3 / DNxHD, ProRes; PCM audio) | none | partial: import (#767), checked against ffmpeg; no MXF output |
| AVI | R | yes (FilmCraft's demuxer: AVI 1.0 / OpenDML; Motion JPEG, H.264, HEVC, uncompressed; PCM, MP3, MP2, AC-3 audio) | none | partial: import (#1701), checked against ffmpeg; H.264 needs its parameter sets in the chunks (global headers and copies with an `avcC` record don't decode until storytold/filmcraft#2303), and a damaged video index loses the video (storytold/filmcraft#2302); DV, MPEG-4 Part 2 (DivX / Xvid) and other legacy codecs import but show why they have no picture; no AVI output |
@@ -146,6 +146,7 @@ relinking 6–12 h, `.mogrt`-compatible templates 15–30 h (partly parallel wit
| Date | Change | Summary |
|---|---|---|
| 2026-11-05 | minor | ProRes encoder pin and export regression for final alpha runs; native macOS decode validated, Resolve still unverified (#293) |
| 2026-10-30 | minor | Render-queue source-protection behavior and limits consolidated here from the standalone page |
| 2026-10-12 | minor | #324 and #514 marked closed; open `.aep` PRs #251 and #860 noted |
| 2026-10-10 | major | First file format parity document, from the After Effects 26.5 bundle and this repository's import/export registries |