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audioconvert: add monitor.passthrough option

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Add a monitor.passthrough option. This will pass all latency information
directly between the port and its monitor ports.

This is interesting when the adapter (and audioconvert) is used with a
null-audio-sink that simply forwards the data to a real sink/souce. In
that case, we want the sink/source latency to be passed unmodified.

Set the monitor.passthrough on the pulseaudio null-sink because
a passthrough virtual sink is the most likely use case for this.

Add some monitor.passthrough default config where it makes sense.

Fixes #3888
This commit is contained in:
Wim Taymans 2024-03-11 16:16:51 +01:00
parent 10830ab9f8
commit ea524b158c
4 changed files with 46 additions and 26 deletions
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2
src/modules/module-protocol-pulse/modules/module-null-sink.c
View file

@ -196,6 +196,8 @@ static int module_null_sink_prepare(struct module * const module)
if (pw_properties_get(props, "monitor.channel-volumes") == NULL)
pw_properties_set(props, "monitor.channel-volumes", "true");
if (pw_properties_get(props, "monitor.passthrough") == NULL)
pw_properties_set(props, "monitor.passthrough", "true");
return 0;
}