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/***************************************************************************
* __________ __ ___.
* 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
/* Not supported yet. */
#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
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