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pulse: use metadata to store default source/sink

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The metadata is implemented by the session manager and it can decide
what to do when the defaults change. It can also choose to save
(some of) the metadata to a database.

The metadata is also shared between applications so that changes can
be picked up immediately.
This commit is contained in:
Wim Taymans 2020-07-07 17:09:46 +02:00
parent 2991a814cd
commit ee54cb96aa
5 changed files with 232 additions and 11 deletions
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10
pipewire-pulseaudio/src/internal.h
View file

@ -310,6 +310,9 @@ struct global {
struct {
pa_client_info info;
} client_info;
struct {
struct pw_array metadata;
} metadata_info;
};
};
@ -350,6 +353,8 @@ struct pa_context {
int no_fail:1;
int disconnect:1;
struct global *metadata;
};
struct global *pa_context_find_global(pa_context *c, uint32_t id);
@ -474,6 +479,11 @@ pa_operation *pa_operation_new(pa_context *c, pa_stream *s, pa_operation_cb_t cb
void pa_operation_done(pa_operation *o);
int pa_operation_sync(pa_operation *o);
int pa_metadata_update(struct global *global, uint32_t subject, const char *key,
const char *type, const char *value);
int pa_metadata_get(struct global *global, uint32_t subject, const char *key,
const char **type, const char **value);
#ifdef __cplusplus
}
#endif