48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
|
/***************************************************************************
|
||
|
|
* __________ __ ___.
|
||
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
||
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
||
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
||
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
||
|
|
* \/ \/ \/ \/ \/
|
||
|
|
* $Id$
|
||
|
|
*
|
||
|
|
* Copyright (C) 2005 Miika Pekkarinen
|
||
|
|
*
|
||
|
|
* All files in this archive are subject to the GNU General Public License.
|
||
|
|
* See the file COPYING in the source tree root for full license agreement.
|
||
|
|
*
|
||
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||
|
|
* KIND, either express or implied.
|
||
|
|
*
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
#ifndef _DSP_H
|
||
|
|
#define _DSP_H
|
||
|
|
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <ctype.h>
|
||
|
|
#include <stdbool.h>
|
||
|
|
|
||
|
|
#define NATIVE_FREQUENCY 44100
|
||
|
|
#define STEREO_INTERLEAVED 0
|
||
|
|
#define STEREO_NONINTERLEAVED 1
|
||
|
|
#define STEREO_MONO 2
|
||
|
|
|
||
|
|
struct dsp_configuration {
|
||
|
|
long frequency;
|
||
|
|
long clip_min, clip_max;
|
||
|
|
int sample_depth;
|
||
|
|
bool dither_enabled;
|
||
|
|
int stereo_mode;
|
||
|
|
};
|
||
|
|
|
||
|
|
extern struct dsp_configuration dsp_config;
|
||
|
|
|
||
|
|
int dsp_process(char *dest, char *src, int samplecount);
|
||
|
|
bool dsp_configure(int setting, void *value);
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|