xref: /titanic_50/usr/src/cmd/audio/include/AudioRawPipe.h (revision 275c9da86e89f8abf71135cf63d9fc23671b2e60)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <AudioPipe.h>
33 
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37 
38 // This is a specialization of an AudioPipe for raw audio data
39 class AudioRawPipe : public AudioPipe {
40 private:
41 	Boolean 	isopened;
42 	off_t		offset;	/* offset to start read/write */
43 public:
44 	// Constructor with path
45 	AudioRawPipe(
46 	    const int		desc,		// file descriptor
47 	    const FileAccess	acc,		// access mode
48 	    const AudioHdr&	hdr,		// header describing raw data
49 	    const char		*name = "(raw pipe)", // name
50 	    const off_t		offset = 0
51 );
52 
53 	// class AudioPipe methods specialized here
54 	virtual AudioError Create();			// Create file
55 	virtual AudioError Open();			// Open file
56 
57 	virtual Boolean opened() const;			// TRUE of opened
58 
59 	AudioError SetOffset(off_t val);		// set offset
60 	off_t GetOffset() const;			// set offset
61 };
62 
63 #ifdef __cplusplus
64 }
65 #endif
66 
67 #endif /* !_MULTIMEDIA_AUDIORAWPIPE_H */
68