| 1 | /*
|
|---|
| 2 | * Copyright (c) 2012 Jan Vesely
|
|---|
| 3 | * All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | *
|
|---|
| 9 | * - Redistributions of source code must retain the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 13 | * documentation and/or other materials provided with the distribution.
|
|---|
| 14 | * - The name of the author may not be used to endorse or promote products
|
|---|
| 15 | * derived from this software without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|---|
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | /** @addtogroup audio
|
|---|
| 30 | * @brief HelenOS sound server
|
|---|
| 31 | * @{
|
|---|
| 32 | */
|
|---|
| 33 | /** @file
|
|---|
| 34 | */
|
|---|
| 35 |
|
|---|
| 36 | #ifndef AUDIO_SINK_H_
|
|---|
| 37 | #define AUDIO_SINK_H_
|
|---|
| 38 |
|
|---|
| 39 | #include <adt/list.h>
|
|---|
| 40 | #include <async.h>
|
|---|
| 41 | #include <stdbool.h>
|
|---|
| 42 | #include <fibril.h>
|
|---|
| 43 | #include <pcm/format.h>
|
|---|
| 44 |
|
|---|
| 45 | #include "audio_source.h"
|
|---|
| 46 |
|
|---|
| 47 | typedef struct audio_sink audio_sink_t;
|
|---|
| 48 |
|
|---|
| 49 | struct audio_sink {
|
|---|
| 50 | link_t link;
|
|---|
| 51 | list_t connections;
|
|---|
| 52 | const char *name;
|
|---|
| 53 | pcm_format_t format;
|
|---|
| 54 | void *private_data;
|
|---|
| 55 | int (*connection_change)(audio_sink_t *, bool);
|
|---|
| 56 | int (*check_format)(audio_sink_t *);
|
|---|
| 57 | };
|
|---|
| 58 |
|
|---|
| 59 | static inline audio_sink_t * audio_sink_list_instance(link_t *l)
|
|---|
| 60 | {
|
|---|
| 61 | return l ? list_get_instance(l, audio_sink_t, link) : NULL;
|
|---|
| 62 | }
|
|---|
| 63 |
|
|---|
| 64 | int audio_sink_init(audio_sink_t *sink, const char *name,
|
|---|
| 65 | void *private_data, int (*connection_change)(audio_sink_t *, bool),
|
|---|
| 66 | int (*check_format)(audio_sink_t *), const pcm_format_t *f);
|
|---|
| 67 | void audio_sink_fini(audio_sink_t *sink);
|
|---|
| 68 |
|
|---|
| 69 | int audio_sink_set_format(audio_sink_t *sink, const pcm_format_t *format);
|
|---|
| 70 | //int audio_sink_add_source(audio_sink_t *sink, audio_source_t *source);
|
|---|
| 71 | //int audio_sink_remove_source(audio_sink_t *sink, audio_source_t *source);
|
|---|
| 72 | void audio_sink_mix_inputs(audio_sink_t *sink, void* dest, size_t size);
|
|---|
| 73 |
|
|---|
| 74 |
|
|---|
| 75 | #endif
|
|---|
| 76 |
|
|---|
| 77 | /**
|
|---|
| 78 | * @}
|
|---|
| 79 | */
|
|---|
| 80 |
|
|---|
