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#ifndef foopulsesinkhfoo
#define foopulsesinkhfoo
/* $Id$ */
/***
This file is part of PulseAudio.
Copyright 2004-2006 Lennart Poettering
Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
typedef struct pa_sink pa_sink;
#include <inttypes.h>
#include <pulse/sample.h>
#include <pulse/channelmap.h>
#include <pulse/volume.h>
#include <pulsecore/core-def.h>
#include <pulsecore/core.h>
#include <pulsecore/idxset.h>
#include <pulsecore/source.h>
#include <pulsecore/module.h>
#include <pulsecore/refcnt.h>
#include <pulsecore/msgobject.h>
#define PA_MAX_INPUTS_PER_SINK 32
typedef enum pa_sink_state {
PA_SINK_RUNNING,
PA_SINK_SUSPENDED,
PA_SINK_IDLE,
PA_SINK_DISCONNECTED
} pa_sink_state_t;
struct pa_sink {
pa_msgobject parent;
uint32_t index;
pa_core *core;
pa_sink_state_t state;
char *name;
char *description, *driver; /* may be NULL */
int is_hardware;
pa_module *module; /* may be NULL */
pa_sample_spec sample_spec;
pa_channel_map channel_map;
pa_idxset *inputs;
pa_source *monitor_source; /* may be NULL */
pa_cvolume volume;
int muted;
int refresh_volume;
int refresh_mute;
int (*set_state)(pa_sink *s, pa_sink_state_t state);
int (*set_volume)(pa_sink *s); /* dito */
int (*get_volume)(pa_sink *s); /* dito */
int (*get_mute)(pa_sink *s); /* dito */
int (*set_mute)(pa_sink *s); /* dito */
pa_usec_t (*get_latency)(pa_sink *s); /* dito */
pa_asyncmsgq *asyncmsgq;
/* Contains copies of the above data so that the real-time worker
* thread can work without access locking */
struct {
pa_sink_state_t state;
pa_hashmap *inputs;
pa_cvolume soft_volume;
int soft_muted;
} thread_info;
pa_memblock *silence;
void *userdata;
};
PA_DECLARE_CLASS(pa_sink);
#define PA_SINK(s) (pa_sink_cast(s))
typedef enum pa_sink_message {
PA_SINK_MESSAGE_ADD_INPUT,
PA_SINK_MESSAGE_REMOVE_INPUT,
PA_SINK_MESSAGE_GET_VOLUME,
PA_SINK_MESSAGE_SET_VOLUME,
PA_SINK_MESSAGE_GET_MUTE,
PA_SINK_MESSAGE_SET_MUTE,
PA_SINK_MESSAGE_GET_LATENCY,
PA_SINK_MESSAGE_SET_STATE,
PA_SINK_MESSAGE_PING,
PA_SINK_MESSAGE_MAX
} pa_sink_message_t;
/* To be used exclusively by the sink driver */
pa_sink* pa_sink_new(
pa_core *core,
const char *driver,
const char *name,
int namereg_fail,
const pa_sample_spec *spec,
const pa_channel_map *map);
void pa_sink_disconnect(pa_sink* s);
void pa_sink_set_module(pa_sink *sink, pa_module *m);
void pa_sink_set_description(pa_sink *s, const char *description);
void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q);
/* Usable by everyone */
pa_usec_t pa_sink_get_latency(pa_sink *s);
int pa_sink_update_status(pa_sink*s);
int pa_sink_suspend(pa_sink *s, int suspend);
/* Sends a ping message to the sink thread, to make it wake up and
* check for data to process even if there is no real message is
* sent */
void pa_sink_ping(pa_sink *s);
void pa_sink_set_volume(pa_sink *sink, const pa_cvolume *volume);
const pa_cvolume *pa_sink_get_volume(pa_sink *sink);
void pa_sink_set_mute(pa_sink *sink, int mute);
int pa_sink_get_mute(pa_sink *sink);
unsigned pa_sink_used_by(pa_sink *s);
#define pa_sink_get_state(s) ((s)->state)
/* To be used exclusively by the sink driver thread */
void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result);
void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result);
void pa_sink_render_into(pa_sink*s, pa_memchunk *target);
void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target);
int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, pa_memchunk *chunk);
#endif
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