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Local Development

This is a collection of helpful scripts for local development. Check the source for each script for a list of useful arguments.

moq-relay

Hosts a relay server on localhost:4443 using self-signed certificates.

Requires:

  • Rust
  • Go (mkcert)
./dev/relay

All clients listed can connect to this relay instance to publish and/or subscribe. You can do this via moq-js for a UI, either self-hosted or accessed via https://quic.video/publish/?server=localhost:4443.

The purpose of a relay is to support clustering and fanout. Like mentioned in the root README, the easiest way to do this is via docker compose:

make run

moq-pub

Publish some test footage from disk to the localhost relay using moq-pub. This downloads Big Buck Bunny and publishes a broadcast named bbb.

Requires:

  • Rust
  • ffmpeg
./dev/pub

Alternatively, you can use Gstreamer via moq-gst. The run script does the exact same thing.

moq-sub

You can use moq-sub to subscribe to media streams from a MoQ relay and pipe them to the standard output. By piping the command to a video player, e.g. ffplay or mpv, you can play a MoQ broadcast natively.

Currently, moq-sub simply dumps all received segments of the first video and the first audio track directly to stdout.

The following command subscribes to a stream from a MoQ relay and plays it with ffplay. By default, the URL is https://localhost:4433/dev, so it will play the stream published with dev/pub to the relay started with dev/relay. You can change the broadcast name by setting the NAME env var.

./dev/sub

moq-clock

To show that MoQ can do more than just media, we made a simple clock.

./dev/clock --publish

And run the subscriber in a separate terminal:

./dev/clock