ref: 462f842e64aefb9729f1cb0eb1032d4175f44370
dir: /src/wav_io.h/
/* Copyright (C) 2002 Jean-Marc Valin File: wav_io.h Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef WAV_IO_H #define WAV_IO_H #include <stdio.h> #include <opus_types.h> #if !defined(__LITTLE_ENDIAN__) && ( defined(WORDS_BIGENDIAN) || defined(__BIG_ENDIAN__) ) #define le_short(s) ((short) ((unsigned short) (s) << 8) | ((unsigned short) (s) >> 8)) #define be_short(s) ((short) (s)) #else #define le_short(s) ((short) (s)) #define be_short(s) ((short) ((unsigned short) (s) << 8) | ((unsigned short) (s) >> 8)) #endif /** Convert little endian */ static inline opus_int32 le_int(opus_int32 i) { #if !defined(__LITTLE_ENDIAN__) && ( defined(WORDS_BIGENDIAN) || defined(__BIG_ENDIAN__) ) opus_uint32 ui, ret; ui = i; ret = ui>>24; ret |= (ui>>8)&0x0000ff00; ret |= (ui<<8)&0x00ff0000; ret |= (ui<<24); return ret; #else return i; #endif } void adjust_wav_mapping(int mapping_family, int channels, unsigned char *stream_map); int write_wav_header(FILE *file, int rate, int mapping_family, int channels); #endif