edde746
ae001d9ff3
Hardware decoding stopped working for Linux users on 2.13.0 (Fedora 44 report): every source decodes in software, and AV1 plays black video with audio. Two defects in the pinned libmpv build. First, mpv's meson 'drm' feature silently disabled itself because the CI builder lacks libdisplay-info, and every VAAPI path that does not depend on a display server is derived from it: vaapi-copy's standalone render-node device (the path 2.12.1 worked on) and the GL dmabuf interop for direct vaapi. With only the Wayland VA provider compiled in, a machine whose Wayland VA display fails to initialize has no fallback, and vaapi-copy has an empty provider list - every source lands on software decoding. Pin -Ddrm=enabled, -Dvaapi-drm=enabled, -Degl=enabled and -Dvaapi-wayland=enabled, and add libdisplay-info-dev to the CI package lists, so a missing piece fails the build instead of shipping silent software decode. Second, the bundled static FFmpeg has no AV1 software decoder: its native av1 codec is hardware-accelerated only, so once hwdec fails there is no AV1 path at all - every packet errors, video hits EOF, the plane goes black while audio keeps playing. Pin dav1d 1.5.4 (both VideoLAN remotes agree on the tag object and root commit), build it static before ffmpeg, and pass --enable-libdav1d. The build-plan stub test now asserts the hwdec feature flags, the dav1d static build, and ffmpeg's libdav1d. Verified in an ubuntu:24.04 container with the production flag sets: meson reports drm, vaapi-drm, vaapi-wayland, egl and dmabuf-interop-gl enabled, and ffmpeg configures CONFIG_LIBDAV1D=yes with the AV1 VAAPI hwaccel. close #1874
63 lines
4.1 KiB
JSON
63 lines
4.1 KiB
JSON
{
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"formatVersion": 1,
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"refreshContract": {
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"rules": [
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"Audit each new upstream release before changing its version, URL, ref, commit, or SHA-256.",
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"For an archive, verify upstream release evidence first, hash the complete reviewed file, and update URL and SHA-256 together.",
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"For Git, verify the upstream release-producing tag record, record the full dereferenced root commit, and review its dependency lock or gitlinks before updating.",
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"Run python3 scripts/verify_runtime_inputs.py and bash linux/packaging/build-libmpv_test.sh before a Linux build.",
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"Never derive an expected checksum from bytes inside the production build or verification command."
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]
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},
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"inputs": {
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"ffmpeg": {
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"kind": "archive",
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"version": "7.1",
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"url": "https://ffmpeg.org/releases/ffmpeg-7.1.tar.xz",
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"sha256": "40973d44970dbc83ef302b0609f2e74982be2d85916dd2ee7472d30678a7abe6",
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"provenance": "FFmpeg release archive verified against ffmpeg-7.1.tar.xz.asc with the official ffmpeg-devel.asc full fingerprint FCF986EA15E6E293A5644F10B4322F04D67658D8 before recording this digest."
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},
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"dav1d": {
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"kind": "git",
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"version": "1.5.4",
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"url": "https://code.videolan.org/videolan/dav1d.git",
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"mirror": "https://github.com/videolan/dav1d.git",
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"ref": "1.5.4",
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"commit": "54706fc6bc0cdecab7e9593974a4039cc038fca7",
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"provenance": "Official VideoLAN GitLab tag record 1.5.4 dereferences to this root commit; upstream's own GitHub mirror (videolan/dav1d, not a fork) reports the same annotated tag object 191bdda98ec3c68137754dc97da1db34043d7cd4 dereferencing to that same commit. The tag is annotated by the dav1d maintainers but not GPG-verified by GitHub; the two independent remotes agreeing on the tag object and root commit is the pinning evidence. The mirror is consulted only after the primary fails, and the commit pin is verified identically either way."
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},
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"shaderc": {
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"kind": "git",
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"version": "2024.4",
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"url": "https://github.com/google/shaderc.git",
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"ref": "v2024.4",
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"commit": "caa54d9779d5605aca4e1a0c0c962a3d8f4aeb31",
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"provenance": "Official GitHub annotated tag object 3cd72062f297df05e6a042f2616c42bc8956c326 dereferences to this root commit; its DEPS file pins synchronized dependencies by full commit."
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},
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"libplacebo": {
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"kind": "git",
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"version": "7.351.0",
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"url": "https://code.videolan.org/videolan/libplacebo.git",
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"mirror": "https://github.com/haasn/libplacebo.git",
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"ref": "v7.351.0",
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"commit": "3188549fba13bbdf3a5a98de2a38c2e71f04e21e",
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"provenance": "Official VideoLAN GitLab tag record v7.351.0 contains a PGP-signed release message and dereferences to this root commit; its gitlinks pin recursive submodules. The mirror is upstream's own author repository (haasn/libplacebo, not a fork), whose annotated v7.351.0 tag object 98c1416e95b21cd767b84ac9ee430ccadf263ff6 dereferences to that same commit. It is consulted only after the primary fails, and the commit pin is verified identically either way, so it cannot introduce a different tree."
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},
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"mpv": {
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"kind": "archive",
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"version": "0.40.0",
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"url": "https://github.com/mpv-player/mpv/archive/refs/tags/v0.40.0.tar.gz",
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"sha256": "10a0f4654f62140a6dd4d380dcf0bbdbdcf6e697556863dc499c296182f081a3",
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"commit": "e48ac7ce08462f5e33af6ef9deeac6fa87eef01e",
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"provenance": "GitHub reports annotated tag object 287d7cdb78975ae350d7c2a287eae3c2072c93f7 as a valid PGP signature over release commit e48ac7ce08462f5e33af6ef9deeac6fa87eef01e; the complete tag archive was then hashed."
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},
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"simdutf": {
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"kind": "archive",
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"version": "6.4.2",
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"url": "https://github.com/simdutf/simdutf/releases/download/v6.4.2/singleheader.zip",
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"sha256": "9fe4d6f515724a55c8de88fee4463e0890a1abe2267cda13c4b5d245d58039e6",
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"provenance": "Official GitHub release 210237657 records asset 243345703 as singleheader.zip with size 3013061 bytes; the complete release asset was independently hashed before recording this digest."
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}
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}
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}
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