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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 <stdbool.h>
#define NATIVE_FREQUENCY 44100
#define STEREO_INTERLEAVED 0
#define STEREO_NONINTERLEAVED 1
#define STEREO_MONO 2
enum {
CODEC_SET_FILEBUF_WATERMARK = 1,
CODEC_SET_FILEBUF_CHUNKSIZE,
CODEC_DSP_ENABLE,
DSP_SET_FREQUENCY,
DSP_SWITCH_FREQUENCY,
DSP_SET_CLIP_MIN,
DSP_SET_CLIP_MAX,
DSP_SET_SAMPLE_DEPTH,
DSP_SET_STEREO_MODE,
DSP_RESET,
DSP_DITHER,
DSP_SET_TRACK_GAIN,
DSP_SET_ALBUM_GAIN,
DSP_SET_TRACK_PEAK,
DSP_SET_ALBUM_PEAK,
DSP_CROSSFEED
};
long dsp_process(char *dest, const char *src[], long size);
long dsp_input_size(long size);
long dsp_output_size(long size);
int dsp_stereo_mode(void);
bool dsp_configure(int setting, void *value);
void dsp_set_replaygain(bool always);
void dsp_set_crossfeed(bool enable);
void dsp_set_crossfeed_direct_gain(int gain);
void dsp_set_crossfeed_cross_params(long lf_gain, long hf_gain, long cutoff);
void dsp_set_eq(bool enable);
void dsp_set_eq_precut(int precut);
void dsp_set_eq_coefs(int band);
void sound_set_pitch(int r);
int sound_get_pitch(void);
void channels_set(int value);
void stereo_width_set(int value);
#endif
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