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127 lines
3.1 KiB
Markdown
127 lines
3.1 KiB
Markdown
# mp4
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> MP4 Reader and Writer in Rust 🦀
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`mp4` is a Rust library to read and write ISO-MP4 files. This package contains MPEG-4 specifications defined in parts:
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* [ISO/IEC 14496-12](https://en.wikipedia.org/wiki/ISO/IEC_base_media_file_format) - ISO Base Media File Format (QuickTime, MPEG-4, etc)
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* [ISO/IEC 14496-14](https://en.wikipedia.org/wiki/MPEG-4_Part_14) - MP4 file format
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* ISO/IEC 14496-17 - Streaming text format
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https://crates.io/crates/mp4
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[](https://crates.io/crates/mp4)
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[](https://crates.io/crates/mp4)
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[](https://docs.rs/mp4)
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[](https://travis-ci.org/alfg/mp4-rust)
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[](https://github.com/alfg/mp4-rust/actions)
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#### Example
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```rust
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use std::fs::File;
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use std::io::{BufReader};
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use mp4::{Result};
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fn main() -> Result<()> {
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let f = File::open("tests/samples/minimal.mp4").unwrap();
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let size = f.metadata()?.len();
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let reader = BufReader::new(f);
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let mp4 = mp4::Mp4Reader::read_header(reader, size)?;
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// Print boxes.
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println!("major brand: {}", mp4.ftyp.major_brand);
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println!("timescale: {}", mp4.moov.mvhd.timescale);
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// Use available methods.
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println!("size: {}", mp4.size());
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let mut compatible_brands = String::new();
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for brand in mp4.compatible_brands().iter() {
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compatible_brands.push_str(&brand.to_string());
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compatible_brands.push_str(",");
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}
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println!("compatible brands: {}", compatible_brands);
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println!("duration: {:?}", mp4.duration());
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// Track info.
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for track in mp4.tracks().iter() {
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println!(
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"track: #{}({}) {} : {}",
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track.track_id(),
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track.language(),
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track.track_type()?,
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track.box_type()?,
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);
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}
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Ok(())
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}
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```
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See [examples/](examples/) for more examples.
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#### Install
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Add to your `Cargo.toml`:
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```toml
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mp4 = "0.7.1"
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```
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#### Documentation
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* https://docs.rs/mp4/
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## Development
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#### Requirements
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* [Rust](https://www.rust-lang.org/)
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#### Build
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```
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cargo build
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```
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#### Run Examples
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* `mp4info`
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```
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cargo run --example mp4info <movie.mp4>
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```
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* `mp4dump`
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```
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cargo run --example mp4dump <movie.mp4>
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```
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#### Run Tests
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```
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cargo test
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```
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With print statement output.
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```
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cargo test -- --nocapture
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```
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#### Run Benchmark Tests
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```
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cargo bench
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```
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View HTML report at `target/criterion/report/index.html`
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#### Generate Docs
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```
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cargo docs
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```
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View at `target/doc/mp4/index.html`
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## Web Assembly
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See the [mp4-inspector](https://github.com/alfg/mp4-inspector) project as a reference for using this library in Javascript via Web Assembly.
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## Related Projects
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* https://github.com/mozilla/mp4parse-rust
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* https://github.com/pcwalton/rust-media
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* https://github.com/alfg/mp4
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## License
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MIT
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[docs]: https://docs.rs/mp4
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[docs-badge]: https://img.shields.io/badge/docs-online-5023dd.svg?style=flat-square
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