eas_wave.h revision a8c89077d78769bf4840fa91609edc51fe2fa02d 
1/*----------------------------------------------------------------------------
2 *
3 * File:
4 * eas_wave.h
5 *
6 * Contents and purpose:
7 * Writes output to a .WAV file
8 *
9 * DO NOT MODIFY THIS FILE!
10 *
11 * Copyright Sonic Network Inc. 2005
12
13 * Licensed under the Apache License, Version 2.0 (the "License");
14 * you may not use this file except in compliance with the License.
15 * You may obtain a copy of the License at
16 *
17 *      http://www.apache.org/licenses/LICENSE-2.0
18 *
19 * Unless required by applicable law or agreed to in writing, software
20 * distributed under the License is distributed on an "AS IS" BASIS,
21 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
22 * See the License for the specific language governing permissions and
23 * limitations under the License.
24 *----------------------------------------------------------------------------
25 * Revision Control:
26 *   $Revision: 82 $
27 *   $Date: 2006-07-10 11:45:19 -0700 (Mon, 10 Jul 2006) $
28 *----------------------------------------------------------------------------
29*/
30
31#include "eas_types.h"
32
33/* sentinel */
34#ifndef _EAS_WAVE_H
35#define _EAS_WAVE_H
36
37/* .WAV file format chunk */
38typedef struct {
39    EAS_U16 wFormatTag;
40    EAS_U16 nChannels;
41    EAS_U32 nSamplesPerSec;
42    EAS_U32 nAvgBytesPerSec;
43    EAS_U16 nBlockAlign;
44    EAS_U16 wBitsPerSample;
45} FMT_CHUNK;
46
47/* .WAV file header */
48typedef struct {
49    EAS_U32 nRiffTag;
50    EAS_U32 nRiffSize;
51    EAS_U32 nWaveTag;
52    EAS_U32 nFmtTag;
53    EAS_U32 nFmtSize;
54    FMT_CHUNK fc;
55    EAS_U32 nDataTag;
56    EAS_U32 nDataSize;
57} WAVE_HEADER;
58
59typedef struct {
60    WAVE_HEADER wh;
61    FILE *file;
62    EAS_BOOL write;
63    EAS_U32 dataSize;
64} WAVE_FILE;
65
66WAVE_FILE *WaveFileCreate (const char *filename, EAS_I32 nChannels, EAS_I32 nSamplesPerSec, EAS_I32 wBitsPerSample);
67EAS_I32 WaveFileWrite (WAVE_FILE *wFile, void *buffer, EAS_I32 n);
68EAS_BOOL WaveFileClose (WAVE_FILE *wFile);
69WAVE_FILE *WaveFileOpen (const char *filename);
70
71#endif /* end #ifndef _EAS_WAVE_H */
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