blob: aed0117673e931f27d0d69a13251543b4a53dcb1 (
plain) (
blame)
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
51
52
53
54
|
/*
* Copyright (C) 2003-2013 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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 program 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 General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/** \file
*
* Library for working with packed 24 bit samples.
*/
#ifndef PCM_PACK_HXX
#define PCM_PACK_HXX
#include <stdint.h>
/**
* Converts padded 24 bit samples (4 bytes per sample) to packed 24
* bit samples (3 bytes per sample).
*
* This function can be used to convert a buffer in-place.
*
* @param dest the destination buffer (array of triples)
* @param src the source buffer
* @param num_samples the number of samples to convert
*/
void
pcm_pack_24(uint8_t *dest, const int32_t *src, const int32_t *src_end);
/**
* Converts packed 24 bit samples (3 bytes per sample) to padded 24
* bit samples (4 bytes per sample).
*
* @param dest the destination buffer
* @param src the source buffer (array of triples)
* @param num_samples the number of samples to convert
*/
void
pcm_unpack_24(int32_t *dest, const uint8_t *src, const uint8_t *src_end);
#endif
|
