{"schema":"record/v1","id":"art_01M5MZ0MW2CXJ6A1QHTZ1XTAPS","type":"article","revision":1,"etag":"\"r1.s0\"","title":"Which public FFV1/Matroska conformance sample files exist (MediaConch_SampleFiles, FFmpeg samples), and what terms do they state?","summary":"Scope: describes an unresolved rights status; it does not clear the component's rights or permit redistribution. Two widely used FFV1/LPCM sample sets state no reuse licence. MediaArea's MediaConch_SampleFiles (commit 647bb33d; 1105 files, about 902 MB) has no licence file and its README states no terms; its Legacy FFV1 files are documented as synthetic ffmpeg testsrc output, but its LPCM 'Weather Report' recordings have no stated source. samples.ffmpeg.org allows downloading individual samples and asks for contact before bulk download, which is permission to download, not a licence to redistribute or publish. Treat both as rights-held for anything beyond local testing.","status":"active","body":{"text":"Scope: describes an unresolved rights status; it does not clear the component's rights or permit redistribution. Two widely used FFV1/LPCM sample sets state no reuse licence. MediaArea's MediaConch_SampleFiles (commit 647bb33d; 1105 files, about 902 MB) has no licence file and its README states no terms; its Legacy FFV1 files are documented as synthetic ffmpeg testsrc output, but its LPCM 'Weather Report' recordings have no stated source. samples.ffmpeg.org allows downloading individual samples and asks for contact before bulk download, which is permission to download, not a licence to redistribute or publish. Treat both as rights-held for anything beyond local testing.\n\nCurator qualifications: Repository metadata and READMEs read 2026-10-22; no sample files downloaded. samples.ffmpeg.org avi/ffv1 testset count (384) and FFV1 spec repo entry count not recounted. No CELLAR conformance repository located (producer search). Qualified rendering authorised by L00 REPRESENTATION-DECISIONS-01 (sha256 1ff78e6b...); not additional evidence; no execution or independent review claimed.\n\nLimitations: Repository metadata and READMEs read 2026-10-22; no sample files downloaded.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://github.com/MediaArea/MediaConch_SampleFiles/tree/647bb33d7887b8aaec7dd5b5110e8c96a4491226","note":"GitHub git trees API MediaConch_SampleFiles @647bb33d (recursive, not truncated); GitHub API repos/MediaArea/MediaConch_SampleFiles/license; MediaConch_SampleFiles README.md @647bb33d; Legacy/FFV1/README.md; Legacy/LPCM/README.md; samples.ffmpeg.org/00-README"},{"url":"https://github.com/MediaArea/MediaConch_SampleFiles/blob/647bb33d7887b8aaec7dd5b5110e8c96a4491226/README.md","note":"GitHub git trees API MediaConch_SampleFiles @647bb33d (recursive, not truncated); GitHub API repos/MediaArea/MediaConch_SampleFiles/license; MediaConch_SampleFiles README.md @647bb33d; Legacy/FFV1/README.md; Legacy/LPCM/README.md; samples.ffmpeg.org/00-README"},{"url":"https://github.com/MediaArea/MediaConch_SampleFiles/blob/647bb33d7887b8aaec7dd5b5110e8c96a4491226/Legacy/FFV1/README.md","note":"GitHub git trees API MediaConch_SampleFiles @647bb33d (recursive, not truncated); GitHub API repos/MediaArea/MediaConch_SampleFiles/license; MediaConch_SampleFiles README.md @647bb33d; Legacy/FFV1/README.md; Legacy/LPCM/README.md; samples.ffmpeg.org/00-README"},{"url":"https://samples.ffmpeg.org/00-README","note":"GitHub git trees API MediaConch_SampleFiles @647bb33d (recursive, not truncated); GitHub API repos/MediaArea/MediaConch_SampleFiles/license; MediaConch_SampleFiles README.md @647bb33d; Legacy/FFV1/README.md; Legacy/LPCM/README.md; samples.ffmpeg.org/00-README"},{"url":"https://samples.ffmpeg.org/allsamples.txt","note":"GitHub git trees API MediaConch_SampleFiles @647bb33d (recursive, not truncated); GitHub API repos/MediaArea/MediaConch_SampleFiles/license; MediaConch_SampleFiles README.md @647bb33d; Legacy/FFV1/README.md; Legacy/LPCM/README.md; samples.ffmpeg.org/00-README"},{"url":"https://github.com/FFmpeg/FFV1/tree/4067d79bf9bde66175a5668be62824dc191a6384","note":"GitHub git trees API MediaConch_SampleFiles @647bb33d (recursive, not truncated); GitHub API repos/MediaArea/MediaConch_SampleFiles/license; MediaConch_SampleFiles README.md @647bb33d; Legacy/FFV1/README.md; Legacy/LPCM/README.md; samples.ffmpeg.org/00-README"}]},"categories":["T10","T20"],"tags":[],"language":"en","visibility":"public","moderation":{"state":"visible","reason":null},"evidence":{"inspection":"source_inspected","execution":"not_run","review":"unreviewed","review_revision":null,"claims":[{"url":"https://github.com/MediaArea/MediaConch_SampleFiles/tree/647bb33d7887b8aaec7dd5b5110e8c96a4491226","claim":"Scope: describes an unresolved rights status; it does not clear the component's rights or permit redistribution. 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Qualified rendering authorised by L00 REPRESENTATION-DECISIONS-01 (sha256 1ff78e6b...); not additional evidence; no execution or independent review claimed.\n\nLimitations: Repository metadata and READMEs read 2026-10-22; no sample files downloaded.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://github.com/MediaArea/MediaConch_SampleFiles/tree/647bb33d7887b8aaec7dd5b5110e8c96a4491226","note":"GitHub git trees API MediaConch_SampleFiles @647bb33d (recursive, not truncated); GitHub API repos/MediaArea/MediaConch_SampleFiles/license; MediaConch_SampleFiles README.md @647bb33d; Legacy/FFV1/README.md; Legacy/LPCM/README.md; samples.ffmpeg.org/00-README"},{"url":"https://github.com/MediaArea/MediaConch_SampleFiles/blob/647bb33d7887b8aaec7dd5b5110e8c96a4491226/README.md","note":"GitHub git trees API MediaConch_SampleFiles @647bb33d (recursive, not truncated); GitHub API repos/MediaArea/MediaConch_SampleFiles/license; MediaConch_SampleFiles README.md @647bb33d; Legacy/FFV1/README.md; Legacy/LPCM/README.md; samples.ffmpeg.org/00-README"},{"url":"https://github.com/MediaArea/MediaConch_SampleFiles/blob/647bb33d7887b8aaec7dd5b5110e8c96a4491226/Legacy/FFV1/README.md","note":"GitHub git trees API MediaConch_SampleFiles @647bb33d (recursive, not truncated); GitHub API repos/MediaArea/MediaConch_SampleFiles/license; MediaConch_SampleFiles README.md @647bb33d; Legacy/FFV1/README.md; Legacy/LPCM/README.md; samples.ffmpeg.org/00-README"},{"url":"https://samples.ffmpeg.org/00-README","note":"GitHub git trees API MediaConch_SampleFiles @647bb33d (recursive, not truncated); GitHub API repos/MediaArea/MediaConch_SampleFiles/license; MediaConch_SampleFiles README.md @647bb33d; Legacy/FFV1/README.md; Legacy/LPCM/README.md; samples.ffmpeg.org/00-README"},{"url":"https://samples.ffmpeg.org/allsamples.txt","note":"GitHub git trees API MediaConch_SampleFiles @647bb33d (recursive, not truncated); GitHub API repos/MediaArea/MediaConch_SampleFiles/license; MediaConch_SampleFiles README.md @647bb33d; Legacy/FFV1/README.md; Legacy/LPCM/README.md; samples.ffmpeg.org/00-README"},{"url":"https://github.com/FFmpeg/FFV1/tree/4067d79bf9bde66175a5668be62824dc191a6384","note":"GitHub git trees API MediaConch_SampleFiles @647bb33d (recursive, not truncated); GitHub API repos/MediaArea/MediaConch_SampleFiles/license; MediaConch_SampleFiles README.md @647bb33d; Legacy/FFV1/README.md; Legacy/LPCM/README.md; samples.ffmpeg.org/00-README"}]},"tags":[],"type":"article","links":[],"title":"Which public FFV1/Matroska conformance sample files exist (MediaConch_SampleFiles, FFmpeg samples), and what terms do they state?","rights":[{"notes":"Applies to this original summary only, not to the cited sources.","hosting":"permitted","component":"documentation","license_id":null,"modification":"unknown","evidence_urls":[],"model_training":"unknown","redistribution":"permitted"}],"summary":"Scope: describes an unresolved rights status; it does not clear the component's rights or permit redistribution. Two widely used FFV1/LPCM sample sets state no reuse licence. MediaArea's MediaConch_SampleFiles (commit 647bb33d; 1105 files, about 902 MB) has no licence file and its README states no terms; its Legacy FFV1 files are documented as synthetic ffmpeg testsrc output, but its LPCM 'Weather Report' recordings have no stated source. samples.ffmpeg.org allows downloading individual samples and asks for contact before bulk download, which is permission to download, not a licence to redistribute or publish. Treat both as rights-held for anything beyond local testing.","evidence":{"claims":[{"url":"https://github.com/MediaArea/MediaConch_SampleFiles/tree/647bb33d7887b8aaec7dd5b5110e8c96a4491226","claim":"Scope: describes an unresolved rights status; it does not clear the component's rights or permit redistribution. Two widely used FFV1/LPCM sample sets state no reuse licence. 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