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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1555 fefdeb5f-60dc-0310-8127-8f9354f1896f
165 lines
4.5 KiB
C
165 lines
4.5 KiB
C
#ifndef foopulsesinkhfoo
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#define foopulsesinkhfoo
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/* $Id$ */
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/***
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This file is part of PulseAudio.
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Copyright 2004-2006 Lennart Poettering
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Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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***/
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typedef struct pa_sink pa_sink;
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#include <inttypes.h>
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#include <pulse/sample.h>
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#include <pulse/channelmap.h>
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#include <pulse/volume.h>
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#include <pulsecore/core-def.h>
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#include <pulsecore/core.h>
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#include <pulsecore/idxset.h>
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#include <pulsecore/source.h>
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#include <pulsecore/module.h>
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#include <pulsecore/refcnt.h>
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#include <pulsecore/msgobject.h>
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#define PA_MAX_INPUTS_PER_SINK 32
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typedef enum pa_sink_state {
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PA_SINK_RUNNING,
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PA_SINK_SUSPENDED,
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PA_SINK_IDLE,
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PA_SINK_DISCONNECTED
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} pa_sink_state_t;
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struct pa_sink {
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pa_msgobject parent;
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uint32_t index;
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pa_core *core;
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pa_sink_state_t state;
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char *name;
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char *description, *driver; /* may be NULL */
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int is_hardware;
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pa_module *module; /* may be NULL */
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pa_sample_spec sample_spec;
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pa_channel_map channel_map;
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pa_idxset *inputs;
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pa_source *monitor_source; /* may be NULL */
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pa_cvolume volume;
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int muted;
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int refresh_volume;
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int refresh_mute;
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int (*set_state)(pa_sink *s, pa_sink_state_t state);
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int (*set_volume)(pa_sink *s); /* dito */
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int (*get_volume)(pa_sink *s); /* dito */
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int (*get_mute)(pa_sink *s); /* dito */
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int (*set_mute)(pa_sink *s); /* dito */
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pa_usec_t (*get_latency)(pa_sink *s); /* dito */
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pa_asyncmsgq *asyncmsgq;
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/* Contains copies of the above data so that the real-time worker
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* thread can work without access locking */
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struct {
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pa_sink_state_t state;
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pa_hashmap *inputs;
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pa_cvolume soft_volume;
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int soft_muted;
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} thread_info;
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pa_memblock *silence;
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void *userdata;
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};
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PA_DECLARE_CLASS(pa_sink);
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#define PA_SINK(s) (pa_sink_cast(s))
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typedef enum pa_sink_message {
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PA_SINK_MESSAGE_ADD_INPUT,
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PA_SINK_MESSAGE_REMOVE_INPUT,
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PA_SINK_MESSAGE_GET_VOLUME,
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PA_SINK_MESSAGE_SET_VOLUME,
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PA_SINK_MESSAGE_GET_MUTE,
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PA_SINK_MESSAGE_SET_MUTE,
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PA_SINK_MESSAGE_GET_LATENCY,
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PA_SINK_MESSAGE_SET_STATE,
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PA_SINK_MESSAGE_PING,
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PA_SINK_MESSAGE_MAX
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} pa_sink_message_t;
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/* To be used exclusively by the sink driver */
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pa_sink* pa_sink_new(
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pa_core *core,
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const char *driver,
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const char *name,
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int namereg_fail,
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const pa_sample_spec *spec,
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const pa_channel_map *map);
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void pa_sink_disconnect(pa_sink* s);
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void pa_sink_set_module(pa_sink *sink, pa_module *m);
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void pa_sink_set_description(pa_sink *s, const char *description);
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void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q);
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/* Usable by everyone */
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pa_usec_t pa_sink_get_latency(pa_sink *s);
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int pa_sink_update_status(pa_sink*s);
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int pa_sink_suspend(pa_sink *s, int suspend);
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/* Sends a ping message to the sink thread, to make it wake up and
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* check for data to process even if there is no real message is
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* sent */
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void pa_sink_ping(pa_sink *s);
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void pa_sink_set_volume(pa_sink *sink, const pa_cvolume *volume);
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const pa_cvolume *pa_sink_get_volume(pa_sink *sink);
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void pa_sink_set_mute(pa_sink *sink, int mute);
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int pa_sink_get_mute(pa_sink *sink);
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unsigned pa_sink_used_by(pa_sink *s);
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#define pa_sink_get_state(s) ((s)->state)
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/* To be used exclusively by the sink driver thread */
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void pa_sink_render(pa_sink*s, size_t length, pa_memchunk *result);
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void pa_sink_render_full(pa_sink *s, size_t length, pa_memchunk *result);
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void pa_sink_render_into(pa_sink*s, pa_memchunk *target);
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void pa_sink_render_into_full(pa_sink *s, pa_memchunk *target);
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int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, pa_memchunk *chunk);
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static inline int PA_SINK_OPENED(pa_sink_state_t x) {
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return x == PA_SINK_RUNNING || x == PA_SINK_IDLE;
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}
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#endif
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