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switch-on-connect: Do not overwrite user configured default sink/source

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Currently module-switch-on-connect overwrites the default sink or source that
the user has configured. This means that when the overwritten default sink or
source becomes unavailable, the new default will be chosen based on priority
and the default will not return to the originally configured value.
This patch solves the issue by introducing new core variables for the sink
or source chosen by the policy module which have higher priority than the
user configured defaults.

Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/784>
This commit is contained in:
Georg Chini 2023-03-11 18:05:26 +01:00 • committed by PulseAudio Marge Bot
parent 39b6a4c123
commit 3aaeb5113d
3 changed files with 131 additions and 11 deletions
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9
src/pulsecore/core.h
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@ -176,6 +176,13 @@ struct pa_core {
char *configured_default_sink;
char *configured_default_source;
/* The default sink/source set by some policy module. This will override
* the user configured default sink/source, so that the default will
* return to the user configured sink/source once the sink/source set by
* the policy module is no longer available. */
char *policy_default_sink;
char *policy_default_source;
/* The effective default sink/source. If no sink or source is explicitly
* configured as the default, we pick the device that ranks highest
* according to the compare_sinks() and compare_sources() functions in
@ -249,6 +256,8 @@ pa_core* pa_core_new(pa_mainloop_api *m, bool shared, bool enable_memfd, size_t
void pa_core_set_configured_default_sink(pa_core *core, const char *sink);
void pa_core_set_configured_default_source(pa_core *core, const char *source);
void pa_core_set_policy_default_sink(pa_core *core, const char *sink);
void pa_core_set_policy_default_source(pa_core *core, const char *source);
/* These should be called whenever something changes that may affect the
* default sink or source choice.