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# iroh-live
Livestreaming video and audio over iroh
**Status: experimental / work in progress**
This repository implements a live streaming protocol over iroh with [Media over Quic](https://moq.dev/).
It uses [moq-rs](https://github.com/kixelated/moq) to transfer audio and video streams over iroh connections.
## Structure of the repository
* [**`web-transport-iroh`**](web-transport-iroh): Implements the [web-transport](https://github.com/kixelated/web-transport) traits for iroh connections
* [**`iroh-moq`**](iroh-moq): Adapters to create and accept [moq-lite](https://github.com/kixelated/moq/tree/main/rs/moq) sessions over iroh
* [**`iroh-live`**](iroh-live): Native capture, encoding and decoding of audio and video. This is an early preview of a high-level live streaming toolkit for iroh. Currently, it has these features, all subject to change:
* Support for [hang](https://github.com/kixelated/moq/blob/main/rs/hang/) catalogs in MoQ sessions
* Capture and playout audio (with [firewheel](https://github.com/BillyDM/Firewheel/))
* Capture camera (with [nokwha](https://github.com/l1npengtul/nokhwa/))
* Capture screens (with [xcap](https://github.com/nashaofu/xcap/))
* Encode and decode video (h264) and audio (Opus) using [ffmpeg](https://docs.rs/ffmpeg-next/latest/ffmpeg_next/). Video encoding is hardware accelerated on supported platforms.
* Support multiple renditions and on-demand switching of the encoding
There's still bugs and a lot of missing optimizations. This is an early, work-in-progress preview!
## Building
By default `ffmpeg` is dynamically linked. Enable the `static` feature to build ffmpeg from source and statically link it.
#### Build dependencies
*incomplete list, please file issues or PRs to expand this*
##### Linux
* For building with `static` feature: `apt install nasm pkg-config`
## Demo and examples
Check out the [`rooms`](iroh-live/examples/rooms.rs) example:
```
cargo run --release --example rooms
```
This will print a *room ticket*. Copy this to another device, and run:
```
cargo run --release --example rooms -- <TICKET>
```
Now you're chatting! With video and audio! Over iroh!
Use the `room-publish-file` example to publish a video form a file into a room.
There's also a [`publish`](iroh-live/examples/publish.rs) example (publish only, no GUI), and a [`watch`](iroh-live/examples/watch.rs) example (watch a stream from the publish example).
The examples use [`egui`](https://github.com/emilk/egui), however `iroh-live` is not coupled to any GUI framework and should work with anything that can render raw images to the screen.
## License
Copyright 2025 N0, INC.
This project is licensed under either of
* Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
http://www.apache.org/licenses/LICENSE-2.0)
* MIT license ([LICENSE-MIT](LICENSE-MIT) or
http://opensource.org/licenses/MIT)
at your option.
## Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in this project by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.