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core: Added new hooks: PA_CORE_HOOK_SOURCE_PORT_CHANGED and PA_CORE_HOOK_SINK_PORT_CHANGED

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This allows modules to know when certain ports are changed.
This will allow e.g. a filter module (or LADSAP) to only load
when a certain port is used on the device (e.g. to only filter
headphones and not normal speakers).

(Comment from Colin Guthrie: This may also have use in UCM)
This commit is contained in:
Kim Therkelsen 2010-10-15 09:25:12 +02:00 • committed by Colin Guthrie
parent 6bd32ee2d9
commit 9379d4015c
3 changed files with 6 additions and 0 deletions
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2
src/pulsecore/core.h
View file

@ -74,6 +74,7 @@ typedef enum pa_core_hook {
PA_CORE_HOOK_SINK_UNLINK_POST,
PA_CORE_HOOK_SINK_STATE_CHANGED,
PA_CORE_HOOK_SINK_PROPLIST_CHANGED,
PA_CORE_HOOK_SINK_PORT_CHANGED,
PA_CORE_HOOK_SOURCE_NEW,
PA_CORE_HOOK_SOURCE_FIXATE,
PA_CORE_HOOK_SOURCE_PUT,
@ -81,6 +82,7 @@ typedef enum pa_core_hook {
PA_CORE_HOOK_SOURCE_UNLINK_POST,
PA_CORE_HOOK_SOURCE_STATE_CHANGED,
PA_CORE_HOOK_SOURCE_PROPLIST_CHANGED,
PA_CORE_HOOK_SOURCE_PORT_CHANGED,
PA_CORE_HOOK_SINK_INPUT_NEW,
PA_CORE_HOOK_SINK_INPUT_FIXATE,
PA_CORE_HOOK_SINK_INPUT_PUT,

2
src/pulsecore/sink.c
View file

@ -2700,6 +2700,8 @@ int pa_sink_set_port(pa_sink *s, const char *name, pa_bool_t save) {
s->active_port = port;
s->save_port = save;
pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SINK_PORT_CHANGED], s);
return 0;
}

2
src/pulsecore/source.c
View file

@ -1571,5 +1571,7 @@ int pa_source_set_port(pa_source *s, const char *name, pa_bool_t save) {
s->active_port = port;
s->save_port = save;
pa_hook_fire(&s->core->hooks[PA_CORE_HOOK_SOURCE_PORT_CHANGED], s);
return 0;
}