1 files changed, 66 insertions, 0 deletions
diff --git a/src/wav_io.h b/src/wav_io.h
new file mode 100644
index 0000000..0755763
--- /dev/null
+++ b/src/wav_io.h
@@ -0,0 +1,66 @@
+/* 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.
+   
+   - Neither the name of the Xiph.org Foundation nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+   
+   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 "speex/speex_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 spx_int32_t le_int(spx_int32_t i)
+{
+#if !defined(__LITTLE_ENDIAN__) && ( defined(WORDS_BIGENDIAN) || defined(__BIG_ENDIAN__) )
+   spx_uint32_t ui, ret;
+   ui = i;
+   ret =  ui>>24;
+   ret |= (ui>>8)&0x0000ff00;
+   ret |= (ui<<8)&0x00ff0000;
+   ret |= (ui<<24);
+   return ret;
+#else
+   return i;
+#endif
+}
+
+int read_wav_header(FILE *file, int *rate, int *channels, int *format, spx_int32_t *size);
+
+void write_wav_header(FILE *file, int rate, int channels, int format, int size);
+
+#endif