priority.session is meant to be used to set routing priorities.
priority.driver is meant to be used by the scheduler to select what
nodes is best for driving the graph. This usually depends on the
hardware quality and the use case (Pro Audio devices are likely
to be used as driving the graph).
See #1028
Send server change events to subscribers, when default nodes change due
to some nodes being added/removed/changed, also if there is no metadata
change. Make sure the event is consistent with the result from
find_device at the time.
Previously, these were not necessarily sent, or information from
find_device immediately after the event might not reflect the change
yet.
A virtual source is usually implemented with a null-sink, it looks
like a source to pulseaudio clients but just forwards what it gets
as input.
Make sure the port names make sense.
You can use the null sink now as:
pactl load-module module-null-sink sink_name=source object.linger=1
media.class=Audio/Source/Virtual channel_map=FL,FR,RL,RR
This creates a node with "input" and "capture" ports and looks
like a virtual source for pulseaudio clients.
pactl load-module module-null-sink sink_name=source object.linger=1
media.class=Audio/Sink channel_map=FL,FR,RL,RR
This creates a node with "playback" and "monitor" ports and looks
like a virtual sink for pulseaudio clients.
pactl load-module module-null-sink sink_name=source object.linger=1
media.class=Audio/Duplex channel_map=FL,FR,RL,RR
This creates a node with "playback" and "capture" ports and looks
like a virtual source and sink for pulseaudio clients.