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Cover QuickTime TC260 placements, Luma AI tags, and MiniMax video provenance

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Victor Kuznetsov
2026-08-17 19:38:37 -07:00
parent 2369d351a9
commit 21ce1dfadd
15 changed files with 327 additions and 67 deletions
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@@ -107,7 +107,9 @@ The `video metadata` command does not transcode video or audio streams. Unlike
the image command above, when `-o` is omitted it writes `<source>_clean` and
preserves the original. MP4 and MOV
inspection includes the native TC260 `AIGC` tag in
`moov.udta.meta.keys/ilst`, including a `moov` placed after the media payload.
`moov.udta.meta.keys/ilst`, including a `moov` placed after the media payload,
plus the QuickTime-form `meta` variants Doubao's iOS export writes (a bare
`meta` box as a direct `moov` child, and a keyless `hdlr=mdir` metadata list).
MKV and WebM inspection reads the normative
`Segment.Tags.Tag.SimpleTag` placement. AVI uses `LIST/INFO/AIGC`, while FLV
uses `script.onMetaData.AIGC`. The non-ISOBMFF formats are remuxed with stream