67 lines
2.5 KiB
C
67 lines
2.5 KiB
C
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/* Copyright (C) 2002 Jean-Marc Valin
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File: wav_io.h
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of the Xiph.org Foundation nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef WAV_IO_H
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#define WAV_IO_H
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#include <stdio.h>
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#include "celt_types.h"
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#if !defined(__LITTLE_ENDIAN__) && ( defined(WORDS_BIGENDIAN) || defined(__BIG_ENDIAN__) )
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#define le_short(s) ((short) ((unsigned short) (s) << 8) | ((unsigned short) (s) >> 8))
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#define be_short(s) ((short) (s))
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#else
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#define le_short(s) ((short) (s))
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#define be_short(s) ((short) ((unsigned short) (s) << 8) | ((unsigned short) (s) >> 8))
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#endif
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/** Convert little endian */
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static inline celt_int32_t le_int(celt_int32_t i)
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{
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#if !defined(__LITTLE_ENDIAN__) && ( defined(WORDS_BIGENDIAN) || defined(__BIG_ENDIAN__) )
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celt_uint32_t ui, ret;
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ui = i;
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ret = ui>>24;
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ret |= (ui>>8)&0x0000ff00;
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ret |= (ui<<8)&0x00ff0000;
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ret |= (ui<<24);
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return ret;
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#else
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return i;
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#endif
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}
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int read_wav_header(FILE *file, int *rate, int *channels, int *format, celt_int32_t *size);
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void write_wav_header(FILE *file, int rate, int channels, int format, int size);
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#endif
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