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capture: Add the passthrough format negotiation to capture streams.

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This helps to keep the API more symmetrical and also potentially
allows support for passthrough monitor sources at some point in the future.
This commit is contained in:
Colin Guthrie 2011-05-17 21:56:10 +01:00
parent 30597b7c27
commit 5d35375aa7
18 changed files with 406 additions and 104 deletions
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13
src/pulsecore/source-output.h
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@ -28,6 +28,7 @@ typedef struct pa_source_output pa_source_output;
#include <pulse/sample.h>
#include <pulsecore/source.h>
#include <pulse/format.h>
#include <pulsecore/memblockq.h>
#include <pulsecore/resampler.h>
#include <pulsecore/module.h>
@ -56,7 +57,8 @@ typedef enum pa_source_output_flags {
PA_SOURCE_OUTPUT_FIX_CHANNELS = 128,
PA_SOURCE_OUTPUT_DONT_INHIBIT_AUTO_SUSPEND = 256,
PA_SOURCE_OUTPUT_NO_CREATE_ON_SUSPEND = 512,
PA_SOURCE_OUTPUT_KILL_ON_SUSPEND = 1024
PA_SOURCE_OUTPUT_KILL_ON_SUSPEND = 1024,
PA_SOURCE_OUTPUT_PASSTHROUGH = 2048
} pa_source_output_flags_t;
struct pa_source_output {
@ -82,6 +84,7 @@ struct pa_source_output {
pa_sample_spec sample_spec;
pa_channel_map channel_map;
pa_format_info *format;
/* if TRUE then the source we are connected to is worth
* remembering, i.e. was explicitly chosen by the user and not
@ -218,6 +221,9 @@ typedef struct pa_source_output_new_data {
pa_sample_spec sample_spec;
pa_channel_map channel_map;
pa_format_info *format;
pa_idxset *req_formats;
pa_idxset *nego_formats;
pa_bool_t sample_spec_is_set:1;
pa_bool_t channel_map_is_set:1;
@ -228,6 +234,9 @@ typedef struct pa_source_output_new_data {
pa_source_output_new_data* pa_source_output_new_data_init(pa_source_output_new_data *data);
void pa_source_output_new_data_set_sample_spec(pa_source_output_new_data *data, const pa_sample_spec *spec);
void pa_source_output_new_data_set_channel_map(pa_source_output_new_data *data, const pa_channel_map *map);
pa_bool_t pa_source_output_new_data_is_passthrough(pa_source_output_new_data *data);
pa_bool_t pa_source_output_new_data_set_source(pa_source_output_new_data *data, pa_source *s, pa_bool_t save);
pa_bool_t pa_source_output_new_data_set_formats(pa_source_output_new_data *data, pa_idxset *formats);
void pa_source_output_new_data_done(pa_source_output_new_data *data);
/* To be called by the implementing module only */
@ -257,6 +266,8 @@ void pa_source_output_kill(pa_source_output*o);
pa_usec_t pa_source_output_get_latency(pa_source_output *o, pa_usec_t *source_latency);
pa_bool_t pa_source_output_is_passthrough(pa_source_output *o);
void pa_source_output_update_proplist(pa_source_output *o, pa_update_mode_t mode, pa_proplist *p);
pa_resample_method_t pa_source_output_get_resample_method(pa_source_output *o);