usr/src/cmd/audio/include/AudioRawPipe.h

   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 */