1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright (c) 1990-2001 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 #include <Audio.h>
30 #include <AudioFile.h>
31 #include <AudioList.h>
32 #include <AudioLib.h>
33
34 // Generic Audio functions
35
36
37 // Open an audio file readonly, and return an AudioList referencing it.
38 AudioError
Audio_OpenInputFile(const char * path,Audio * & ap)39 Audio_OpenInputFile(
40 const char *path, // input filename
41 Audio*& ap) // returned AudioList pointer
42 {
43 AudioFile* inf;
44 AudioList* lp;
45 AudioError err;
46
47 // Open file and decode the header
48 inf = new AudioFile(path, (FileAccess)ReadOnly);
49 if (inf == 0)
50 return (AUDIO_UNIXERROR);
51 err = inf->Open();
52 if (err) {
53 delete inf;
54 return (err);
55 }
56
57 // Create a list object and set it up to reference the file
58 lp = new AudioList;
59 if (lp == 0) {
60 delete inf;
61 return (AUDIO_UNIXERROR);
62 }
63 lp->Insert(inf);
64 ap = lp;
65 return (AUDIO_SUCCESS);
66 }
67
68
69 // Create an output file and copy an input stream to it.
70 // If an error occurs during output, leave a partially written file.
71 AudioError
Audio_WriteOutputFile(const char * path,const AudioHdr & hdr,Audio * input)72 Audio_WriteOutputFile(
73 const char *path, // output filename
74 const AudioHdr& hdr, // output data header
75 Audio* input) // input data stream
76 {
77 AudioFile* outf;
78 AudioError err;
79
80 // Create output file object
81 outf = new AudioFile(path, (FileAccess)WriteOnly);
82 if (outf == 0)
83 return (AUDIO_UNIXERROR);
84
85 // Set audio file header and create file
86 if ((err = outf->SetHeader(hdr)) || (err = outf->Create())) {
87 delete outf;
88 return (err);
89 }
90
91 // Copy data to file
92 err = AudioCopy(input, outf);
93
94 // Close output file and clean up. If error, leave partial file.
95 delete outf;
96 return (err);
97 }
98