Current support for MP4 (AAC) audio-only files is pretty spotty in TMH.
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Description
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Details
Subject | Repo | Branch | Lines +/- | |
---|---|---|---|---|
Work in progress support for .m4a audio-only files | mediawiki/extensions/TimedMediaHandler | master | +67 -11 |
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- Mentioned In
- T115197: Undefined index in handlers/Mp4Handler.php
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Change 247750 had a related patch set uploaded (by Brion VIBBER):
Work in progress support for .m4a audio-only files
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this shouldn't be too hard to round up, I did a bit more prototyping in the areas where this was going wrong.
Now we need a good deal of sample files to wrap it up correctly.
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Hmm, if we want the "codecs" generation to be somewhat accurate, it seems we will have to fix getID3.
avc1 . followed by three bytes 1: profile_idc 2: the byte containing the constraint_set flags 3: level_idc.
These bytes are in the moov.trak.mdia.minf.stbl.stsd.avc1.avcC atom, which apparently isn't read by getID3
[mpv4|mp4a] . ObjectTypeIndication . [ProfileLevelIndication|AudioObjectTypeIndication]
ObjectTypeIndication: http://www.mp4ra.org/object.html
AudioObjectTypeIndication:
VideoProfileLevelIndication: