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67 lines
2.6 KiB
Markdown
67 lines
2.6 KiB
Markdown
[](LICENSE)
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[](https://crates.io/crates/bwavfile/)
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# bwavfile
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Rust Wave File Reader/Writer with Broadcast-WAV, MBWF and RF64 Support
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This is currently a work-in-progress!
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## Use
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```rust
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use bwavfile::WaveReader;
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let mut r = WaveReader::open("tests/media/ff_silence.wav").unwrap();
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let format = r.format().unwrap();
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assert_eq!(format.sample_rate, 44100);
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assert_eq!(format.channel_count, 1);
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let mut frame_reader = r.audio_frame_reader().unwrap();
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let mut buffer = frame_reader.create_frame_buffer();
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let read = frame_reader.read_integer_frame(&mut buffer).unwrap();
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assert_eq!(buffer, [0i32]);
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assert_eq!(read, 1);
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```
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## Note on Testing
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All of the media for the integration tests is committed to the respository
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in either zipped form or is created by ffmpeg. Before you can run tests, you
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will need to have ffmpeg installed, and you need to `cd` into the `tests`
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directory and run the `create_test_media.sh` script.
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## Resources
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### Implementation of Broadcast Wave Files
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- [EBU Tech 3285][ebu3285] (May 2011), "Specification of the Broadcast Wave Format (BWF)"
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### Implementation of 64-bit Wave Files
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- [ITU-R 2088][itu2088] (October 2019), "Long-form file format for the international exchange of audio programme materials with metadata"
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- Presently in force, adopted by the EBU in [EBU Tech 3306v2][ebu3306v2] (June 2018).
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- [EBU Tech 3306v1][ebu3306v1] (July 2009), "MBWF / RF64: An extended File Format for Audio"
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- No longer in force, however long-established.
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### Implementation of Wave format `fmt` chunk
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- [MSDN WAVEFORMATEX](https://docs.microsoft.com/en-us/windows/win32/api/mmeapi/ns-mmeapi-waveformatex)
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- [MSDN WAVEFORMATEXTENSIBLE](https://docs.microsoft.com/en-us/windows/win32/api/mmreg/ns-mmreg-waveformatextensible)
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### Other resources
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- [RFC 3261][rfc3261] (June 1998) "WAVE and AVI Codec Registries"
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- [Peter Kabal, McGill University](http://www-mmsp.ece.mcgill.ca/Documents/AudioFormats/WAVE/WAVE.html)
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- [Multimedia Programming Interface and Data Specifications 1.0](http://www-mmsp.ece.mcgill.ca/Documents/AudioFormats/WAVE/Docs/riffmci.pdf)
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IBM Corporation and Microsoft Corporation, (August 1991)
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[ebu3285]: https://tech.ebu.ch/docs/tech/tech3285.pdf
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[ebu3306v1]: https://tech.ebu.ch/docs/tech/tech3306v1_1.pdf
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[ebu3306v2]: https://tech.ebu.ch/docs/tech/tech3306.pdf
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[itu2088]: https://www.itu.int/dms_pubrec/itu-r/rec/bs/R-REC-BS.2088-1-201910-I!!PDF-E.pdf
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[rfc3261]: https://tools.ietf.org/html/rfc2361
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