blob: 9335235daa2f7245a0378532eeb17d47bf6d806a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* PCM output buffer declarations
*
* Copyright (c) 2007 Michael Sevakis
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef PCM_OUTPUT_H
#define PCM_OUTPUT_H
struct pcm_frame_header /* Header added to pcm data every time a decoded
audio frame is sent out */
{
uint32_t size; /* size of this frame - including header */
uint32_t time; /* timestamp for this frame in audio ticks */
unsigned char data[]; /* open array of audio data */
} ALIGNED_ATTR(4);
extern int pcm_skipped, pcm_underruns;
bool pcm_output_init(void);
void pcm_output_exit(void);
void pcm_output_flush(void);
void pcm_output_set_clock(uint32_t time);
uint32_t pcm_output_get_clock(void);
uint32_t pcm_output_get_ticks(uint32_t *start);
void pcm_output_play_pause(bool play);
void pcm_output_stop(void);
void pcm_output_drain(void);
struct pcm_frame_header * pcm_output_get_buffer(void);
void pcm_output_add_data(void);
ssize_t pcm_output_used(void);
ssize_t pcm_output_free(void);
#endif /* PCM_OUTPUT_H */
|
