On 28.07.19 19:44, Brian Bulkowski wrote:
I posted yesterday, twice, about how the "stream get sink id" was
going to solve my problems.
In 10.0 ( the distro version on Debian Stretch on the Raspberry PI ),
the "sink ID" returned from that call is not a valid sink ID and
doesn't do anything good.
I am hoping this call is more functional ( does anything functional )
in later revs, so I'm onward to upgrading to 12.2 or similar, before
embarking on creating lots of extra Sinks in the configuration system.
-brian
Hi Brian,
first, let me clarify the terminology pulseaudio is using:
- The term "sink" is used for for an audio output, for example your
speakers connected to your internal sound card or an USB or
Bluetooth device.
- The term "sink input" refers to an individual stream. A sink input
can be connected to a sink. Then the stream will play on your
output device.
To list sink inputs, the function pa_context_get_sink_input_info_list()
can be used. Then the volume can be changed with
pa_context_set_sink_input_volume().
For complete documentation see
https://freedesktop.org/software/pulseaudio/doxygen/
The functions I referenced above can be found at
https://freedesktop.org/software/pulseaudio/doxygen/introspect_8h.html
Regards
Georg
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