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) 1992-2001 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #ifndef _MULTIMEDIA_AUDIOTYPECHANNEL_H 28 #define _MULTIMEDIA_AUDIOTYPECHANNEL_H 29 30 #include <AudioTypeConvert.h> 31 #include <audio_encode.h> 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 // This is the class doing channel (mono->stereo) conversion 38 39 class AudioTypeChannel : public AudioTypeConvert { 40 41 protected: 42 43 public: 44 AudioTypeChannel(); // Constructor 45 ~AudioTypeChannel(); // Destructor 46 47 // Class AudioTypeConvert methods specialized here 48 49 // TRUE if conversion ok 50 virtual Boolean CanConvert( 51 AudioHdr h) const; // type to check against 52 53 // Convert buffer to the specified type 54 // Either the input or output type must be handled by this class 55 56 // Convert to new type 57 virtual AudioError Convert( 58 AudioBuffer*& inbuf, // data buffer to process 59 AudioHdr outhdr); // target header 60 61 virtual AudioError Flush(AudioBuffer*& buf); 62 }; 63 64 #ifdef __cplusplus 65 } 66 #endif 67 68 #endif /* !_MULTIMEDIA_AUDIOTYPECHANNEL_H */ 69