1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/*
* 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 */
|
