1 /* 2 * Copyright (c) 1999-2000, Eric Moon. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions, and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 27 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 32 // NullAudioOp.h 33 // * PURPOSE 34 // To test the IAudioOp framework, this file includes 35 // an IAudioOpFactory implementation that creates 36 // 'do-nothing' operations. (This operation literally 37 // does nothing -- it doesn't even copy the input buffer 38 // to the output, so beware!) 39 // 40 // * HISTORY 41 // e.moon 8sep99 Begun 42 43 #ifndef __NullAudioOp_H__ 44 #define __NullAudioOp_H__ 45 46 #include "IAudioOpFactory.h" 47 48 class NullAudioOpFactory : 49 public IAudioOpFactory { 50 public: // *** INTERFACE 51 // The basic create method. 52 // Return 0 if no algorithm could be found for the given format. 53 54 IAudioOp* createOp( 55 IAudioOpHost* host, 56 const media_raw_audio_format& inputFormat, 57 const media_raw_audio_format& outputFormat); //nyi 58 59 IParameterSet* createParameterSet(); //nyi 60 }; 61 62 #endif /*__NullAudioOp_H__*/