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Psychotoxical
a4c400cc69
M4A files store the iTunSMPB value behind a 16-byte binary 'data' atom header. The previous parser took bytes directly after the ASCII key, landing in the binary header and producing a corrupted parts array (total_valid=348 instead of ~13M samples), which caused take_duration to exhaust the source in ~8ms — silent no-playback. Fix: search for the " 00000000 " sentinel within 128 bytes of the key to locate the actual value string, falling back to the old offset for ID3v2/MP3 files where no binary header exists. Also patches symphonia-format-isomp4 (local crate under patches/) to: - Tolerate SL descriptor predefined=0x01 (older iTunes M4A) - Convert descriptor.unwrap() panic to a proper decode error - Gracefully skip malformed trak atoms (e.g. MJPEG cover-art streams) instead of failing the entire probe Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
16 lines
656 B
Markdown
16 lines
656 B
Markdown
# Symphonia ISO/MP4 Demuxer
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[](https://docs.rs/symphonia-format-isomp4)
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ISO/MP4 demuxer for Project Symphonia.
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**Note:** This crate is part of Project Symphonia. Please use the [`symphonia`](https://crates.io/crates/symphonia) crate instead of this one directly.
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## License
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Symphonia is provided under the MPL v2.0 license. Please refer to the LICENSE file for more details.
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## Contributing
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Symphonia is a free and open-source project that welcomes contributions! To get started, please read our [Contribution Guidelines](https://github.com/pdeljanov/Symphonia/tree/master/CONTRIBUTING.md).
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