49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
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/***************************************************************************
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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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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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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 <ctype.h>
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#include <stdbool.h>
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#define NATIVE_FREQUENCY 44100
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#define STEREO_INTERLEAVED 0
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#define STEREO_NONINTERLEAVED 1
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/* Not supported yet. */
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#define STEREO_MONO 2
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struct dsp_configuration {
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long frequency;
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long clip_min, clip_max;
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int sample_depth;
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bool dither_enabled;
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int stereo_mode;
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};
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extern struct dsp_configuration dsp_config;
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int dsp_process(char *dest, char *src, int samplecount);
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bool dsp_configure(int setting, void *value);
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#endif
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