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PIPEWIRE

PipeWire is a project that aims to greatly improve handling of audio and video
under Linux. It provides a low-latency, graph-based processing engine on top of
audio and video devices that can be used to support the use cases currently
handled by both PulseAudio and JACK. PipeWire was designed with a powerful
security model that makes interacting with audio and video devices from
containerized applications easy, with support for Flatpak applications being the
primary goal. Alongside Wayland and Flatpak, we expect PipeWire to provide a
core building block for the future of Linux application development.

 * Capture and playback of audio and video with minimal latency.
 * Real-time multimedia processing on audio and video.
 * Multiprocess architecture to let applications share multimedia content.
 * Seamless support for PulseAudio, JACK, ALSA, and GStreamer applications.
 * Sandboxed applications support. See Flatpak for more info.


GETTING PIPEWIRE

PipeWire (0.3) with support for audio use cases should be available in most
distributions. Most distributions however will not have enabled the audio parts
by default but you can read here how to run some examples.

If you want to get the code from GitLab, then the latest PipeWire source code is
available at GitLab. To clone the repository, just:

git clone https://gitlab.freedesktop.org/pipewire/pipewire.git



SETUP

PipeWire is using the Meson build system and we provide a convenience script and
makefile that makes building PipeWire fairly straightforward:

./autogen.sh --prefix=$PREFIX
make
make install


While we recommend not installing such builds at all, the only $PREFIX that
works out of the box is /usr . Instead consider building custom distro packages
or run from the build directory without installing.


RUNNING

You can test the PipeWire server from the source directory with:

make run


To test video capture and display with SDL from the source directory, try this
in another window:

make shell


This sets up the environment variables to run the example apps from the build
directory like this:

build/src/examples/video-play


You can play around with the other examples as well. Don’t forget to set the
correct environment variables as shown above or else the plugins and modules
won’t be found.


DOCUMENTATION

PipeWire is documented here.

Developers can also check out the (incomplete) PipeWire API documentation.

A collection of other useful pages can be found on the PipeWire wiki.


GET INVOLVED

PipeWire is Free Software and is developed in the open. It was created by Wim
Taymans, Principal Engineer at Red Hat and co-creator of the GStreamer
multimedia framework. Code can be found on GitLab.

 * Join us on IRC at #pipewire on OFTC.
 * Issues are tracked on GitLab Issues.
 * We adhere to the Contributor Covenant for our Code of Conduct.
 * Follow us on Mastodon.

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© PipeWire™, 2022

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