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sink: Extend API for compressed formats support

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This adds a get_formats() vfunc for sinks to provide a list of formats
they can support. pa_sink_check_formats() can be used during or after
routing to determine what formats from a stream the sink can support.
This commit is contained in:
Arun Raghavan 2011-02-28 13:00:20 +05:30
parent 3767c9c4e8
commit 47e0f91aa2
2 changed files with 58 additions and 0 deletions
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7
src/pulsecore/sink.h
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@ -199,6 +199,10 @@ struct pa_sink {
* thread. */
int (*set_port)(pa_sink *s, pa_device_port *port); /* ditto */
/* Called to get the list of formats supported by the sink, sorted
* in descending order of preference. */
pa_idxset* (*get_formats)(pa_sink *s); /* ditto */
/* Contains copies of the above data so that the real-time worker
* thread can work without access locking */
struct {
@ -398,6 +402,9 @@ pa_queue *pa_sink_move_all_start(pa_sink *s, pa_queue *q);
void pa_sink_move_all_finish(pa_sink *s, pa_queue *q, pa_bool_t save);
void pa_sink_move_all_fail(pa_queue *q);
pa_idxset* pa_sink_get_formats(pa_sink *s);
pa_idxset* pa_sink_check_formats(pa_sink *s, pa_idxset *in_formats);
/*** To be called exclusively by the sink driver, from IO context */
void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result);