xref: /illumos-gate/usr/src/cmd/audio/include/AudioRawPipe.h (revision d48be21240dfd051b689384ce2b23479d757f2d8)
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) 1991-2001 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #ifndef _MULTIMEDIA_AUDIORAWPIPE_H
28 #define	_MULTIMEDIA_AUDIORAWPIPE_H
29 
30 #include <AudioPipe.h>
31 
32 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
36 // This is a specialization of an AudioPipe for raw audio data
37 class AudioRawPipe : public AudioPipe {
38 private:
39 	Boolean 	isopened;
40 	off_t		offset;	/* offset to start read/write */
41 public:
42 	// Constructor with path
43 	AudioRawPipe(
44 	    const int		desc,		// file descriptor
45 	    const FileAccess	acc,		// access mode
46 	    const AudioHdr&	hdr,		// header describing raw data
47 	    const char		*name = "(raw pipe)", // name
48 	    const off_t		offset = 0
49 );
50 
51 	// class AudioPipe methods specialized here
52 	virtual AudioError Create();			// Create file
53 	virtual AudioError Open();			// Open file
54 
55 	virtual Boolean opened() const;			// TRUE of opened
56 
57 	AudioError SetOffset(off_t val);		// set offset
58 	off_t GetOffset() const;			// set offset
59 };
60 
61 #ifdef __cplusplus
62 }
63 #endif
64 
65 #endif /* !_MULTIMEDIA_AUDIORAWPIPE_H */
66