[pulseaudio-tickets] [Bug 56686] Allow user to manipulatio graph

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=56686

--- Comment #1 from Tanu Kaskinen <tanuk at iki.fi> ---
Thanks for offering to improve the GUI tools! Both a graph-based interface and
the possibility to load null sinks and combine sinks are sensible features to
have available in a GUI. In my opinion pavucontrol isn't the right tool to add
these features, however, so I'd prefer a separate tool.

(In reply to comment #0)
> Hey. Recently I have tried to understand how sinks work and how to fuse
> audio streams to different sinks. For example, I want to fuse skype sound
> stream with my chess program's stream and send this to ffmpeg to create
> audio&video stream in stream service.

This can be done by loading a null sink (module-null-sink) where you route
skype and the chess program, and recording from the null sink's monitor source
with ffmpeg.

> Also I want to send all system streams
> (including two above) to my alsa to hear.

Ok, this makes the setup a bit more complicated: you'll need to load a combine
sink (module-combine-sink) that outputs to the alsa sink and the null sink, and
route skype and the chess program to the combine sink.

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