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 #ifndef _MULTIMEDIA_AUDIOPIPE_H 28 #define _MULTIMEDIA_AUDIOPIPE_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <AudioUnixfile.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 // This is the 'base' class for pipes (such as stdin) containing audio data 39 class AudioPipe : public AudioUnixfile { 40 private: 41 AudioPipe(); // Constructor w/no args 42 AudioPipe operator=(AudioPipe); // Assignment is illegal 43 44 public: 45 // Constructor with path 46 AudioPipe( 47 const int desc, // file descriptor 48 const FileAccess acc, // access mode 49 const char *name = "(pipe)"); // name 50 51 // class AudioUnixfile methods specialized here 52 virtual AudioError Create(); // Create file 53 virtual AudioError Open(); // Open file 54 55 // Read from position 56 virtual AudioError ReadData( 57 void* buf, // buffer to fill 58 size_t& len, // buffer length (updated) 59 Double& pos); // start position (updated) 60 61 // Write at position 62 virtual AudioError WriteData( 63 void* buf, // buffer to copy 64 size_t& len, // buffer length (updated) 65 Double& pos); // start position (updated) 66 67 // class Audio methods specialized here 68 virtual Boolean isPipe() const { return (TRUE); } 69 }; 70 71 #ifdef __cplusplus 72 } 73 #endif 74 75 #endif /* !_MULTIMEDIA_AUDIOPIPE_H */ 76