89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2005 Miika Pekkarinen
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef _DSP_H
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#define _DSP_H
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#include <stdlib.h>
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#include <stdbool.h>
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#define NATIVE_FREQUENCY 44100
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enum
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{
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STEREO_INTERLEAVED = 0,
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STEREO_NONINTERLEAVED,
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STEREO_MONO,
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STEREO_NUM_MODES,
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};
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enum
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{
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CODEC_IDX_AUDIO = 0,
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CODEC_IDX_VOICE,
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};
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enum
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{
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DSP_MYDSP = 1,
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DSP_SET_FREQUENCY,
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DSP_SWITCH_FREQUENCY,
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DSP_SET_SAMPLE_DEPTH,
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DSP_SET_STEREO_MODE,
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DSP_RESET,
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DSP_FLUSH,
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DSP_SET_TRACK_GAIN,
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DSP_SET_ALBUM_GAIN,
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DSP_SET_TRACK_PEAK,
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DSP_SET_ALBUM_PEAK,
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DSP_CROSSFEED
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};
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struct dsp_config;
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int dsp_process(struct dsp_config *dsp, char *dest,
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const char *src[], int count);
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int dsp_input_count(struct dsp_config *dsp, int count);
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int dsp_output_count(struct dsp_config *dsp, int count);
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intptr_t dsp_configure(struct dsp_config *dsp, int setting,
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intptr_t value);
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int get_replaygain_mode(bool have_track_gain, bool have_album_gain);
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void dsp_set_replaygain(void);
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void dsp_set_crossfeed(bool enable);
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void dsp_set_crossfeed_direct_gain(int gain);
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void dsp_set_crossfeed_cross_params(long lf_gain, long hf_gain,
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long cutoff);
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void dsp_set_eq(bool enable);
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void dsp_set_eq_precut(int precut);
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void dsp_set_eq_coefs(int band);
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void dsp_dither_enable(bool enable);
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void dsp_timestretch_enable(bool enable);
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bool dsp_timestretch_available(void);
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void sound_set_pitch(int32_t r);
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int32_t sound_get_pitch(void);
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void dsp_set_timestretch(int32_t percent);
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int32_t dsp_get_timestretch(void);
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int dsp_callback(int msg, intptr_t param);
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void dsp_set_compressor(int c_threshold, int c_gain, int c_ratio,
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int c_knee, int c_release);
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#endif
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