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vhost-device/vhost-device-sound
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Davíð Steinn Geirsson 1c021aaea6 Use our vhost fork for all crates and add GPU flake package 
Use our vhost fork for all crates. It has SHMEM and GPU backend support.
Add a Nix flake package for vhost-device-gpu with the virgl backend enabled.

Also fixes duplicate imports in vhost-device-gpu/src/backend/virgl.rs.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-22 19:10:55 +00:00
..
src sound: fix panic on I/O to a stopped stream 2026-03-17 21:31:34 +00:00
Cargo.toml Use our vhost fork for all crates and add GPU flake package 2026-03-22 19:10:55 +00:00
CHANGELOG.md vhost-device-sound: add --socket-fd argument 2025-11-20 17:24:04 +02:00
LICENSE-APACHE sound: fix symbolic links to license files 2024-01-10 11:23:08 +05:30
LICENSE-BSD-3-Clause sound: fix symbolic links to license files 2024-01-10 11:23:08 +05:30
README.md sound: document --streams CLI option in README 2026-03-17 19:33:57 +00:00

README.md

vhost-device-sound

Synopsis

   vhost-device-sound --socket <SOCKET> --backend <BACKEND>

Description

   A virtio-sound device using the vhost-user protocol.

Options

     --socket <SOCKET>
            vhost-user Unix domain socket path

     --socket-fd <FD>
            listening vhost-user Unix domain socket file descriptor
            (e.g. from a service manager)

     --backend <BACKEND>
            audio backend to be used [possible values: null, pipewire, alsa, gstreamer]

     --streams <STREAMS>
            comma-separated list of stream directions to enable [possible values: output, input]
            (default: output,input)

     -h, --help
            Print help

     -V, --version
            Print version

Examples

Launch the backend on the host machine:

host# vhost-device-sound --socket /tmp/snd.sock --backend null

With QEMU, you can add a virtio device that uses the backend's socket with the following flags:

-chardev socket,id=vsnd,path=/tmp/snd.sock \
-device vhost-user-snd-pci,chardev=vsnd,id=snd

License

This project is licensed under either of