src/apps/cortex/addons/audioOps/NullAudioOp.h

   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__*/