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sink,source: support for rate update

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Avoid resampling or use integer resampling when supported by the
sinks/sources

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
This commit is contained in:
Pierre-Louis Bossart 2011-08-02 18:37:28 -05:00 • committed by Arun Raghavan
parent 5bcfd2b630
commit f0ec495938
7 changed files with 219 additions and 0 deletions
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10
src/pulsecore/source.h
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@ -76,6 +76,8 @@ struct pa_source {
pa_sample_spec sample_spec;
pa_channel_map channel_map;
uint32_t default_sample_rate;
uint32_t alternate_sample_rate;
pa_idxset *outputs;
unsigned n_corked;
@ -178,6 +180,10 @@ struct pa_source {
* in descending order of preference. */
pa_idxset* (*get_formats)(pa_source *s); /* ditto */
/* Called whenever the sampling frequency shall be changed. Called from
* main thread. */
pa_bool_t (*update_rate)(pa_source *s, uint32_t rate);
/* Contains copies of the above data so that the real-time worker
* thread can work without access locking */
struct {
@ -262,6 +268,7 @@ typedef struct pa_source_new_data {
pa_sample_spec sample_spec;
pa_channel_map channel_map;
uint32_t alternate_sample_rate;
pa_cvolume volume;
pa_bool_t muted:1;
@ -269,6 +276,7 @@ typedef struct pa_source_new_data {
pa_bool_t muted_is_set:1;
pa_bool_t sample_spec_is_set:1;
pa_bool_t channel_map_is_set:1;
pa_bool_t alternate_sample_rate_is_set:1;
pa_bool_t namereg_fail:1;
@ -281,6 +289,7 @@ pa_source_new_data* pa_source_new_data_init(pa_source_new_data *data);
void pa_source_new_data_set_name(pa_source_new_data *data, const char *name);
void pa_source_new_data_set_sample_spec(pa_source_new_data *data, const pa_sample_spec *spec);
void pa_source_new_data_set_channel_map(pa_source_new_data *data, const pa_channel_map *map);
void pa_source_new_data_set_alternate_sample_rate(pa_source_new_data *data, const uint32_t alternate_sample_rate);
void pa_source_new_data_set_volume(pa_source_new_data *data, const pa_cvolume *volume);
void pa_source_new_data_set_muted(pa_source_new_data *data, pa_bool_t mute);
void pa_source_new_data_set_port(pa_source_new_data *data, const char *port);
@ -358,6 +367,7 @@ pa_bool_t pa_source_get_mute(pa_source *source, pa_bool_t force_refresh);
pa_bool_t pa_source_update_proplist(pa_source *s, pa_update_mode_t mode, pa_proplist *p);
int pa_source_set_port(pa_source *s, const char *name, pa_bool_t save);
pa_bool_t pa_source_update_rate(pa_source *s, uint32_t rate);
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 */