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
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1990-2001 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <Audio.h>
#include <AudioFile.h>
#include <AudioList.h>
#include <AudioLib.h>
// Generic Audio functions
// Open an audio file readonly, and return an AudioList referencing it.
AudioError
Audio_OpenInputFile(
const char *path, // input filename
Audio*& ap) // returned AudioList pointer
{
AudioFile* inf;
AudioList* lp;
AudioError err;
// Open file and decode the header
inf = new AudioFile(path, (FileAccess)ReadOnly);
if (inf == 0)
return (AUDIO_UNIXERROR);
err = inf->Open();
if (err) {
delete inf;
return (err);
}
// Create a list object and set it up to reference the file
lp = new AudioList;
if (lp == 0) {
delete inf;
return (AUDIO_UNIXERROR);
}
lp->Insert(inf);
ap = lp;
return (AUDIO_SUCCESS);
}
// Create an output file and copy an input stream to it.
// If an error occurs during output, leave a partially written file.
AudioError
Audio_WriteOutputFile(
const char *path, // output filename
const AudioHdr& hdr, // output data header
Audio* input) // input data stream
{
AudioFile* outf;
AudioError err;
// Create output file object
outf = new AudioFile(path, (FileAccess)WriteOnly);
if (outf == 0)
return (AUDIO_UNIXERROR);
// Set audio file header and create file
if ((err = outf->SetHeader(hdr)) || (err = outf->Create())) {
delete outf;
return (err);
}
// Copy data to file
err = AudioCopy(input, outf);
// Close output file and clean up. If error, leave partial file.
delete outf;
return (err);
}
|
