xref: /titanic_44/usr/src/cmd/audio/include/AudioRawPipe.h (revision 7c478bd95313f5f23a4c958a745db2134aa03244)

/*
 * 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) 1991-2001 by Sun Microsystems, Inc.
 * All rights reserved.
 */

#ifndef _MULTIMEDIA_AUDIORAWPIPE_H
#define	_MULTIMEDIA_AUDIORAWPIPE_H

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#include <AudioPipe.h>

#ifdef __cplusplus
extern "C" {
#endif

// This is a specialization of an AudioPipe for raw audio data
class AudioRawPipe : public AudioPipe {
private:
	Boolean 	isopened;
	off_t		offset;	/* offset to start read/write */
public:
	// Constructor with path
	AudioRawPipe(
	    const int		desc,		// file descriptor
	    const FileAccess	acc,		// access mode
	    const AudioHdr&	hdr,		// header describing raw data
	    const char		*name = "(raw pipe)", // name
	    const off_t		offset = 0
);

	// class AudioPipe methods specialized here
	virtual AudioError Create();			// Create file
	virtual AudioError Open();			// Open file

	virtual Boolean opened() const;			// TRUE of opened

	AudioError SetOffset(off_t val);		// set offset
	off_t GetOffset() const;			// set offset
};

#ifdef __cplusplus
}
#endif

#endif /* !_MULTIMEDIA_AUDIORAWPIPE_H */