blob: b0c0304eeb01f9614c221bdbfe194e3fef28d41c (
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
|
/* the Music Player Daemon (MPD)
* Copyright (C) 2008 Max Kellermann <max@duempel.org>
* This project's homepage is: 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef MPD_PCM_DITHER_H
#define MPD_PCM_DITHER_H
#include <stdint.h>
struct pcm_dither {
int32_t error[3];
int32_t random;
};
static inline void
pcm_dither_24_init(struct pcm_dither *dither)
{
dither->error[0] = dither->error[1] = dither->error[2] = 0;
dither->random = 0;
}
void
pcm_dither_24_to_16(struct pcm_dither *dither,
int16_t *dest, const int32_t *src,
unsigned num_samples);
#endif
|
