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diff --git a/portaudio/qa/loopback/src/write_wav.h b/portaudio/qa/loopback/src/write_wav.h
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-/*
- * PortAudio Portable Real-Time Audio Library
- * Latest Version at: http://www.portaudio.com
- *
- * Copyright (c) 1999-2010 Phil Burk and Ross Bencina
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files
- * (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/*
- * The text above constitutes the entire PortAudio license; however,
- * the PortAudio community also makes the following non-binding requests:
- *
- * Any person wishing to distribute modifications to the Software is
- * requested to send the modifications to the original developer so that
- * they can be incorporated into the canonical version. It is also
- * requested that these non-binding requests be included along with the
- * license above.
- */
-#ifndef _WAV_WRITER_H
-#define _WAV_WRITER_H
-
-/*
- * WAV file writer.
- *
- * Author: Phil Burk
- */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Define WAV Chunk and FORM types as 4 byte integers. */
-#define RIFF_ID (('R'<<24) | ('I'<<16) | ('F'<<8) | 'F')
-#define WAVE_ID (('W'<<24) | ('A'<<16) | ('V'<<8) | 'E')
-#define FMT_ID (('f'<<24) | ('m'<<16) | ('t'<<8) | ' ')
-#define DATA_ID (('d'<<24) | ('a'<<16) | ('t'<<8) | 'a')
-#define FACT_ID (('f'<<24) | ('a'<<16) | ('c'<<8) | 't')
-
-/* Errors returned by Audio_ParseSampleImage_WAV */
-#define WAV_ERR_CHUNK_SIZE (-1) /* Chunk size is illegal or past file size. */
-#define WAV_ERR_FILE_TYPE (-2) /* Not a WAV file. */
-#define WAV_ERR_ILLEGAL_VALUE (-3) /* Illegal or unsupported value. Eg. 927 bits/sample */
-#define WAV_ERR_FORMAT_TYPE (-4) /* Unsupported format, eg. compressed. */
-#define WAV_ERR_TRUNCATED (-5) /* End of file missing. */
-
-/* WAV PCM data format ID */
-#define WAVE_FORMAT_PCM (1)
-#define WAVE_FORMAT_IMA_ADPCM (0x0011)
-
-
-typedef struct WAV_Writer_s
-{
- FILE *fid;
- /* Offset in file for data size. */
- int dataSizeOffset;
- int dataSize;
-} WAV_Writer;
-
-/*********************************************************************************
- * Open named file and write WAV header to the file.
- * The header includes the DATA chunk type and size.
- * Returns number of bytes written to file or negative error code.
- */
-long Audio_WAV_OpenWriter( WAV_Writer *writer, const char *fileName, int frameRate, int samplesPerFrame );
-
-/*********************************************************************************
- * Write to the data chunk portion of a WAV file.
- * Returns bytes written or negative error code.
- */
-long Audio_WAV_WriteShorts( WAV_Writer *writer,
- short *samples,
- int numSamples
- );
-
-/*********************************************************************************
- * Close WAV file.
- * Update chunk sizes so it can be read by audio applications.
- */
-long Audio_WAV_CloseWriter( WAV_Writer *writer );
-
-#ifdef __cplusplus
-};
-#endif
-
-#endif /* _WAV_WRITER_H */