6b1c54ef96
Separate the resampling code from the rest of pcm_utils.c. Create two sub-libraries: pcm_resample_libsamplerate.c and pcm_resample_fallback.c.
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/* the Music Player Daemon (MPD)
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* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
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* This project's homepage is: http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef PCM_UTILS_H
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#define PCM_UTILS_H
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#include "pcm_resample.h"
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#include "pcm_dither.h"
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#include <stdint.h>
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#include <stddef.h>
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struct audio_format;
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struct pcm_convert_state {
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struct pcm_resample_state resample;
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struct pcm_dither_24 dither;
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/* Strict C99 doesn't allow empty structs */
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int error;
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};
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void pcm_volume(char *buffer, int bufferSize,
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const struct audio_format *format,
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int volume);
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void pcm_mix(char *buffer1, const char *buffer2, size_t size,
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const struct audio_format *format, float portion1);
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void pcm_convert_init(struct pcm_convert_state *state);
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size_t pcm_convert(const struct audio_format *inFormat,
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const char *inBuffer, size_t inSize,
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const struct audio_format *outFormat,
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char *outBuffer,
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struct pcm_convert_state *convState);
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size_t pcm_convert_size(const struct audio_format *inFormat, size_t inSize,
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const struct audio_format *outFormat);
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#endif
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