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.
38AudioError
39Audio_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.
71AudioError
72Audio_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