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#ifndef foosinkinputhfoo
#define foosinkinputhfoo
/* $Id$ */
/***
This file is part of PulseAudio.
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.
***/
#include <inttypes.h>
typedef struct pa_sink_input pa_sink_input;
#include <pulse/sample.h>
#include <pulsecore/sink.h>
#include <pulsecore/memblockq.h>
#include <pulsecore/resampler.h>
#include <pulsecore/module.h>
#include <pulsecore/client.h>
typedef enum pa_sink_input_state {
PA_SINK_INPUT_RUNNING, /*< The stream is alive and kicking */
PA_SINK_INPUT_DRAINED, /*< The stream stopped playing because there was no data to play */
PA_SINK_INPUT_CORKED, /*< The stream was corked on user request */
PA_SINK_INPUT_DISCONNECTED /*< The stream is dead */
} pa_sink_input_state_t;
struct pa_sink_input {
int ref;
uint32_t index;
pa_sink_input_state_t state;
char *name, *driver; /* may be NULL */
pa_module *owner; /* may be NULL */
pa_sink *sink;
pa_client *client; /* may be NULL */
pa_sample_spec sample_spec;
pa_channel_map channel_map;
pa_cvolume volume;
/* Some silence to play before the actual data. This is used to
* compensate for latency differences when moving a sink input
* "hot" between sinks. */
size_t move_silence;
int (*peek) (pa_sink_input *i, pa_memchunk *chunk);
void (*drop) (pa_sink_input *i, const pa_memchunk *chunk, size_t length);
void (*kill) (pa_sink_input *i); /* may be NULL */
pa_usec_t (*get_latency) (pa_sink_input *i); /* may be NULL */
void (*underrun) (pa_sink_input *i); /* may be NULL */
void *userdata;
pa_memchunk resampled_chunk;
pa_resampler *resampler; /* may be NULL */
int variable_rate;
pa_resample_method_t resample_method;
pa_memblock *silence_memblock; /* may be NULL */
};
pa_sink_input* pa_sink_input_new(
pa_sink *s,
const char *driver,
const char *name,
const pa_sample_spec *spec,
const pa_channel_map *map,
const pa_cvolume *volume,
int variable_rate,
pa_resample_method_t resample_method);
void pa_sink_input_unref(pa_sink_input* i);
pa_sink_input* pa_sink_input_ref(pa_sink_input* i);
/* To be called by the implementing module only */
void pa_sink_input_disconnect(pa_sink_input* i);
/* External code may request disconnection with this funcion */
void pa_sink_input_kill(pa_sink_input*i);
pa_usec_t pa_sink_input_get_latency(pa_sink_input *i);
int pa_sink_input_peek(pa_sink_input *i, pa_memchunk *chunk, pa_cvolume *volume);
void pa_sink_input_drop(pa_sink_input *i, const pa_memchunk *chunk, size_t length);
void pa_sink_input_set_volume(pa_sink_input *i, const pa_cvolume *volume);
const pa_cvolume * pa_sink_input_get_volume(pa_sink_input *i);
void pa_sink_input_cork(pa_sink_input *i, int b);
void pa_sink_input_set_rate(pa_sink_input *i, uint32_t rate);
void pa_sink_input_set_name(pa_sink_input *i, const char *name);
pa_resample_method_t pa_sink_input_get_resample_method(pa_sink_input *i);
int pa_sink_input_move_to(pa_sink_input *i, pa_sink *dest, int immediately);
#endif
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