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Add volume ramping feature - sink-input modification

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zbt 2009-07-16 10:41:34 +08:00 • committed by Lennart Poettering
parent 8eaa40b6f4
commit 5318eb35ef
2 changed files with 312 additions and 60 deletions
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21
src/pulsecore/sink-input.h
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@ -35,6 +35,7 @@ typedef struct pa_sink_input pa_sink_input;
#include <pulsecore/client.h>
#include <pulsecore/sink.h>
#include <pulsecore/core.h>
#include <pulsecore/envelope.h>
typedef enum pa_sink_input_state {
PA_SINK_INPUT_INIT, /*< The stream is not active yet, because pa_sink_put() has not been called yet */
@ -212,8 +213,23 @@ struct pa_sink_input {
pa_usec_t requested_sink_latency;
pa_hashmap *direct_outputs;
struct {
pa_bool_t is_ramping:1;
pa_bool_t envelope_dead:1;
int32_t envelope_dying; /* Increasing while envelop is not dead. Reduce it while process_rewind. */
pa_envelope *envelope;
pa_envelope_item *item;
} ramp_info;
pa_cvolume future_soft_volume;
pa_bool_t future_muted;
} thread_info;
pa_atomic_t before_ramping_v; /* Indicates future volume */
pa_atomic_t before_ramping_m; /* Indicates future mute */
pa_envelope_def using_def;
void *userdata;
};
@ -228,6 +244,7 @@ enum {
PA_SINK_INPUT_MESSAGE_SET_STATE,
PA_SINK_INPUT_MESSAGE_SET_REQUESTED_LATENCY,
PA_SINK_INPUT_MESSAGE_GET_REQUESTED_LATENCY,
PA_SINK_INPUT_MESSAGE_SET_ENVELOPE,
PA_SINK_INPUT_MESSAGE_MAX
};
@ -359,4 +376,8 @@ pa_memchunk* pa_sink_input_get_silence(pa_sink_input *i, pa_memchunk *ret);
/* To be used by sink.c only */
void pa_sink_input_set_relative_volume(pa_sink_input *i, const pa_cvolume *v);
/* Volume ramping*/
void pa_sink_input_set_volume_with_ramping(pa_sink_input *i, const pa_cvolume *volume, pa_bool_t save, pa_bool_t absolute, pa_usec_t t);
void pa_sink_input_set_mute_with_ramping(pa_sink_input *i, pa_bool_t mute, pa_bool_t save, pa_usec_t t);
#endif