`pa-dlna`_ forwards audio streams to DLNA devices.
A Python project based on `asyncio`_, that uses `ctypes`_ to interface with the
``libpulse`` library and supports the PulseAudio and PipeWire [#]_ sound
servers.
`pa-dlna`_ is composed of the following components:
* The ``pa-dlna`` program forwards PulseAudio streams to DLNA devices.
* The ``upnp-cmd`` is an interactive command line tool for introspection and
control of UPnP devices [#]_.
* The UPnP Python package is used by both commands.
* The libpulse Python package is a ctypes interface to the ``libpulse``
library.
See the **pa-dlna** `documentation`_.
Requirements
============
Python version 3.8 or more recent.
psutil
------
The built-in UPnP package and therefore the ``upnp-cmd`` and ``pa-dlna``
commands depend on the `psutil`_ Python package. This package is available in
most distributions as ``python3-psutil`` or ``python-psutil``. It can also be
installed with ``pip``.
parec
-----
`pa-dlna`_ uses the pulseaudio ``parec`` program [#]_. Depending on the linux
distribution it may be already installed as a dependency of pulseaudio or of
pipewire-pulse. If not, then the package that owns ``parec`` must be
installed. On archlinux the package name is ``libpulse``, on debian it is
`pulseaudio-utils`_.
Encoders
--------
No other dependency is required by `pa-dlna`_ when the DLNA devices support raw
PCM L16 (:rfc:`2586`) [#]_.
Optionally, encoders compatible with the audio mime types supported by the
devices may be used. ``pa-dlna`` currently supports the `ffmpeg`_ (mp3, wav,
aiff, flac, opus, vorbis, aac), the `flac`_ and the `lame`_ (mp3) encoders. The
list of supported encoders, whether they are available on this host and their
options, is printed by the command that prints the default configuration::
$ pa-dlna --dump-default
pavucontrol
-----------
Optionally, one may install the ``pavucontrol`` package for easier management of
associations between sound sources and DLNA devices.
Installation
============
pipewire as a pulseaudio sound server
-------------------------------------
The ``pipsewire``, ``pipewire-pulse`` and ``wireplumber`` packages must be
installed and the corresponding programs started. If you are switching from
pulseaudio, make sure to remove ``/etc/pulse/client.conf`` or to comment out the
setting of ``default-server`` in this file as pulseaudio and pipewire do not use
the same unix socket path name.
The ``parec`` 's package includes the ``pactl`` program. One may check that the
installation of pipewire as a pulseaudio sound server is successfull by running
the command::
$ pactl info
pa-dlna
-------
Install ``pa-dlna`` with pip::
$ python -m pip install pa-dlna
Configuration
=============
A ``pa-dlna.conf`` user configuration file overriding the default configuration
may be used to:
* Change the preferred encoders ordered list used to select an encoder.
* Configure encoder options.
* Set an encoder for a given device and configure the options for this device.
* Configure the *sample_format*, *rate* and *channels* parameters of the
``parec`` program used to forward PulseAudio streams, for a specific device,
for an encoder type or for all devices.
See the `configuration`_ section of the ``pa-dlna`` `documentation`_.
.. _pa-dlna: https://gitlab.com/xdegaye/pa-dlna
.. _asyncio: https://docs.python.org/3/library/asyncio.html
.. _ctypes: https://docs.python.org/3/library/ctypes.html
.. _pulseaudio-utils: https://packages.debian.org/bookworm/pulseaudio-utils
.. _pa-dlna issue 15: https://gitlab.com/xdegaye/pa-dlna/-/issues/15
.. _Wireplumber issue 511:
https://gitlab.freedesktop.org/pipewire/wireplumber/-/issues/511
.. _documentation: https://pa-dlna.readthedocs.io/en/stable/
.. _psutil: https://pypi.org/project/psutil/
.. _ConnectionManager:3 Service:
http://upnp.org/specs/av/UPnP-av-ConnectionManager-v3-Service.pdf
.. _ffmpeg: https://www.ffmpeg.org/ffmpeg.html
.. _flac: https://xiph.org/flac/
.. _lame: https://lame.sourceforge.io/
.. _configuration: https://pa-dlna.readthedocs.io/en/stable/configuration.html
.. _pipewire-pulse: https://docs.pipewire.org/page_man_pipewire_pulse_1.html
.. [#] When using PipeWire with the Wireplumber session manager, ``pa-dlna``
must be started before the audio streams that are routed to DLNA
devices. Re-starting those audio streams fixes the problem. See `pa-dlna
issue 15`_ and `Wireplumber issue 511`_.
.. [#] The ``pa-dlna`` and ``upnp-cmd`` programs can be run simultaneously.
.. [#] The ``parec`` program also uses the ``libpulse`` library which is
included in ``parec`` 's package or is installed as a dependency. Note
also that this package includes the ``pactl`` and ``pacmd`` programs.
.. [#] DLNA devices must support the HTTP GET transfer protocol and must support
HTTP 1.1 as specified by Annex A.1 of the `ConnectionManager:3 Service`_
UPnP specification.
Raw data
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