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# qpwgraph - A PipeWire Graph Qt GUI Interface
**qpwgraph** is a graph manager dedicated to [PipeWire](https://pipewire.org),
using the [Qt C++ framework](https://qt.io), based and pretty much like the
same of [QjackCtl](https://qjackctl.sourceforge.io).
Source code repository: https://gitlab.freedesktop.org/rncbc/qpwgraph
Upstream author: Rui Nuno Capela <rncbc@rncbc.org>.
## Prerequisites
**qpwgraph** software prerequisites for building are a C++20 compiler
(_g++_), the [Qt C++ framework](https://qt.io) (_qt6-qtbase-devel_ or
_qt5-qtbase-devel_) and of course the [PipeWire API](https://pipewire.org)
C development libraries and headers (_pipewire-devel_).
Optionally on build configure time, [ALSA](https://www.alsa-project.org)
development libraries and headers (_alsa-devel_) are also required if
ALSA MIDI (Sequencer) support is desired (`cmake -DCONFIG_ALSA_MIDI=[1|ON]`...).
## Building
**qpwgraph** uses the [CMake](https://cmake.org) build system, version
3.15 or newer.
On the source distribution top directory:
cmake [-DCMAKE_INSTALL_PREFIX=<prefix>] -B build
cmake --build build [--parallel <Njobs>]
After successful build you may test run it immediately as follows:
build/src/qpwgraph
If you may install it permanently, then run, optionally as root:
[sudo] cmake --install build
Note that the default installation path (\<_prefix_\>) is `/usr/local` .
Enjoy.
## Documentation
* [User Manual](docs/qpwgraph-user_manual.md)
* [How To Use The Patchbay](docs/qpwgraph_patchbay-user_manual.md)
## License
**qpwgraph** is free, open-source software, distributed under the terms of
the GNU General Public License ([GPL](https://www.gnu.org/copyleft/gpl.html))
version 2 or later.
## Copyright
Copyright (C) 2021-2025, rncbc aka Rui Nuno Capela. All rights reserved.
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