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add new virtual function may_move_to to sink inputs/source outputs to allow modules to forbid certain connections

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This commit is contained in:
Lennart Poettering 2008-10-21 18:24:45 +02:00
parent 309bc71f07
commit 358824b330
4 changed files with 73 additions and 22 deletions
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8
src/pulsecore/sink-input.h
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@ -156,10 +156,15 @@ struct pa_sink_input {
returns */
pa_usec_t (*get_latency) (pa_sink_input *i); /* may be NULL */
/* If non_NULL this function is called from thread context if the
/* If non-NULL this function is called from thread context if the
* state changes. The old state is found in thread_info.state. */
void (*state_change) (pa_sink_input *i, pa_sink_input_state_t state); /* may be NULL */
/* If non-NULL this function is called before this sink input is
* move to a sink and if it returns FALSE the move will not
* be allowed */
pa_bool_t (*may_move_to) (pa_sink_input *i, pa_sink *s); /* may be NULL */
struct {
pa_sink_input_state_t state;
pa_atomic_t drained;
@ -292,6 +297,7 @@ pa_bool_t pa_sink_input_get_mute(pa_sink_input *i);
pa_resample_method_t pa_sink_input_get_resample_method(pa_sink_input *i);
int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest);
pa_bool_t pa_sink_input_may_move_to(pa_sink_input *i, pa_sink *dest);
pa_sink_input_state_t pa_sink_input_get_state(pa_sink_input *i);