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