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suspend-on-idle: use earlier (safer) hooks for stream unlink notifications

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In the "unlink post" hook it's not guaranteed that the stream's old
device exists any more, so let's use the "unlink" hook that is safer.
For example, module-bluetooth-policy does a card profile change in the
source-output "unlink post" hook, which invalidates the source-output's
source pointer.

When the "unlink" hook is fired, the stream is still linked to its
device, which affects the return values of the check_suspend()
functions. The unlinked streams should be ignored by the check_suspend()
functions, so I had to add extra parameters to those functions.
This commit is contained in:
Tanu Kaskinen 2016-10-12 17:20:40 +03:00
parent 2250dbfd69
commit c3393d27a5
5 changed files with 39 additions and 22 deletions
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6
src/pulsecore/source.h
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@ -400,7 +400,11 @@ int pa_source_update_rate(pa_source *s, uint32_t rate, bool passthrough);
unsigned pa_source_linked_by(pa_source *s); /* Number of connected streams */
unsigned pa_source_used_by(pa_source *s); /* Number of connected streams that are not corked */
unsigned pa_source_check_suspend(pa_source *s); /* Returns how many streams are active that don't allow suspensions */
/* Returns how many streams are active that don't allow suspensions. If
* "ignore" is non-NULL, that stream is not included in the count. */
unsigned pa_source_check_suspend(pa_source *s, pa_source_output *ignore);
#define pa_source_get_state(s) ((pa_source_state_t) (s)->state)
/* Moves all inputs away, and stores them in pa_queue */