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ci: mirror pinned ffmpeg sdk inputs
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This commit is contained in:
gamer147
2026-08-18 15:21:04 -04:00
parent 258c42618b
commit 63eaeefc24
5 changed files with 35 additions and 13 deletions
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10
docs/platform-portability.md
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@@ -221,10 +221,12 @@ VM op 0x236 (non-modal) / op 0x20f (modal) / op 0x24d (green-mask transition)
Everything before and after the selected decoder is portable. The replacement decision is an in-process
FFmpeg backend behind a project-owned C ABI, not raw FFmpeg structs in Godot/C# and not a subprocess. FFmpeg
`n8.1.2-44-g7c533d0f86` is pinned by dated release URL, exact byte size, and SHA-256 in each target manifest under
`native/age_movie_ffmpeg/`. BtbN prunes older dated autobuild releases, so upstream availability is not permanent:
the current paired pin restores hosted builds, while a durable project-owned mirror remains necessary to prevent
future 404-driven repins. Changing either pin requires rerunning the full installed-movie gate. The shim
`n8.1.2-44-g7c533d0f86` is pinned by immutable project-mirror URL, exact byte size, and SHA-256 in each target
manifest under `native/age_movie_ffmpeg/`. The anonymously readable `conco/ome-ffmpeg-sdk` generic package on the
project Gitea server holds both platform archives under version `btbn-autobuild-2026-08-17-13-05`; each manifest
also retains the original BtbN release URL as provenance. This removes hosted builds from BtbN's dated-autobuild
retention window. Changing either pin requires a new immutable mirror version and a rerun of the complete
installed-movie gate. The shim
dynamically links an LGPL build made without GPL or nonfree components and uses
`libavformat`, `libavcodec`, `libavutil`, `libswscale`, and `libswresample`. Release artifacts must carry
the matching FFmpeg source/configuration and notices required by FFmpeg's

14
docs/tools-reference.md
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@@ -292,12 +292,14 @@ send either the `step-limit` console block or the generated JSON.
## Native FFmpeg movie shim (Windows and Linux x64)
The target-specific dependency manifests pin dated LGPL shared FFmpeg archives by exact byte size and SHA-256.
BtbN prunes older dated autobuild releases, so the bytes are immutable while retained but their upstream URLs
are not permanent; a failed 404 requires a paired manifest repin and full native/movie validation, while a
project-owned durable mirror remains the long-term fix. Bootstrap downloads remove partial files on HTTP failure
before validating the complete archive. Windows development can use PowerShell/MSVC. Linux-hosted builds use Bash
with Python 3, curl, MinGW-w64/binutils for the Windows target, a native C compiler/binutils for Linux, and the
ordinary archive/core utilities available.
Their primary URLs use the anonymously readable, immutable `conco/ome-ffmpeg-sdk` generic package on the project
Gitea server; `upstream_url` records the original BtbN release location for provenance. BtbN prunes older dated
autobuild releases, so bootstraps do not depend on those upstream URLs remaining live. Uploading a different file
under an existing Gitea package version is forbidden; a dependency change requires a new version plus a paired
manifest update and full native/movie validation. Bootstrap downloads remove partial files on HTTP failure before
validating the complete archive. Windows development can use PowerShell/MSVC. Linux-hosted builds use Bash with
Python 3, curl, MinGW-w64/binutils for the Windows target, a native C compiler/binutils for Linux, and the ordinary
archive/core utilities available.
| Tool | Purpose | Run | Reads → Writes |
|---|---|---|---|