Hello all,
I am working on a golang software that aims at dealing (muting and unmuting) with the currently enabled microphone in a Linux system using pulseaudio.
My software is trying to use the DBUs interface to interact with pulseaudio.
If the computer has more than one microphone connected to it, I need to find the enabled one by looking at the priority property of my sources.
For example this is a trimmed output from the pacmd list-sources command:
4 source(s) available.
index: 0
name: <alsa_output.pci-0000_00_1f.3.analog-stereo.monitor>
...
priority: 1030
...
index: 1
name: <alsa_input.pci-0000_00_1f.3.analog-stereo>
...
priority: 9039
...
index: 2
name: <combined.monitor>
...
priority: 1000
...
* index: 4
name: <alsa_input.usb-046d_0825_6C7C2E60-02.mono-fallback>
...
priority: 9040
...
In fact, in my system, the source with index 4 is the active one.
My problem: I can't find a way to get the priority property out of the DBUs interface.
According to the documentation (https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/Developer/Clients/DBus/), neither the Source nor the Device Objects expose a property named Priority. The only objects having a Priority field are DevicePort and CardProfile. I got the value for those properties but their value doesn't match with the output of pacmd.
Can anybody please help me understand what I am missing here?
Thanks
My software is trying to use the DBUs interface to interact with pulseaudio.
If the computer has more than one microphone connected to it, I need to find the enabled one by looking at the priority property of my sources.
For example this is a trimmed output from the pacmd list-sources command:
4 source(s) available.
index: 0
name: <alsa_output.pci-0000_00_1f.3.analog-stereo.monitor>
...
priority: 1030
...
index: 1
name: <alsa_input.pci-0000_00_1f.3.analog-stereo>
...
priority: 9039
...
index: 2
name: <combined.monitor>
...
priority: 1000
...
* index: 4
name: <alsa_input.usb-046d_0825_6C7C2E60-02.mono-fallback>
...
priority: 9040
...
In fact, in my system, the source with index 4 is the active one.
My problem: I can't find a way to get the priority property out of the DBUs interface.
According to the documentation (https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/Developer/Clients/DBus/), neither the Source nor the Device Objects expose a property named Priority. The only objects having a Priority field are DevicePort and CardProfile. I got the value for those properties but their value doesn't match with the output of pacmd.
Can anybody please help me understand what I am missing here?
Thanks
(also posted on stackoverflow here https://stackoverflow.com/questions/66744027/how-to-get-pulseaudios-device-priority-via-dbus )
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