CLAM-Development
1.1
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00001 /* 00002 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG) 00003 * UNIVERSITAT POMPEU FABRA 00004 * 00005 * 00006 * This program is free software; you can redistribute it and/or modify 00007 * it under the terms of the GNU General Public License as published by 00008 * the Free Software Foundation; either version 2 of the License, or 00009 * (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; if not, write to the Free Software 00018 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00019 * 00020 */ 00021 00022 #ifndef _BINARY_AUDIO_OP_H_ 00023 #define _BINARY_AUDIO_OP_H_ 00024 00025 #include "Processing.hxx" 00026 #include "DynamicType.hxx" 00027 #include "Audio.hxx" 00028 #include <typeinfo> // std::bad_cast 00029 #include "AudioInPort.hxx" 00030 #include "AudioOutPort.hxx" 00031 00032 #include <iostream> 00033 00034 namespace CLAM 00035 { 00036 00037 class BinaryAudioOpConfig: public ProcessingConfig 00038 { 00039 public: 00040 DYNAMIC_TYPE_USING_INTERFACE (BinaryAudioOpConfig, 0, ProcessingConfig); 00041 }; 00042 00043 template < typename BinOp > 00044 class BinaryAudioOp 00045 : public Processing 00046 { 00047 BinaryAudioOpConfig mConfig; 00048 BinOp mOperation; 00049 00053 bool ConcreteConfigure(const ProcessingConfig& c) 00054 { 00055 try { 00056 mConfig = dynamic_cast<const BinaryAudioOpConfig&>(c); 00057 } 00058 catch (std::bad_cast) 00059 { 00060 CLAM_ASSERT(false,"Config should be a BynariaAudioOpConfig"); 00061 } 00062 return true; 00063 00064 } 00065 00066 AudioInPort mFirstInput; 00067 AudioInPort mSecondInput; 00068 AudioOutPort mOutput; 00069 00070 00071 public: 00072 00073 BinaryAudioOp() 00074 :mFirstInput("First Audio Input",this), 00075 mSecondInput("Second Audio Input",this), 00076 mOutput("Audio Output",this) 00077 { 00078 Configure( BinaryAudioOpConfig() ); 00079 } 00080 00081 BinaryAudioOp(const BinaryAudioOpConfig &c) 00082 :mFirstInput("First Audio Input",this), 00083 mSecondInput("Second Audio Input",this), 00084 mOutput("Audio Output",this) 00085 00086 { 00087 Configure( c ); 00088 } 00089 00090 ~BinaryAudioOp() 00091 { 00092 } 00093 00094 const ProcessingConfig &GetConfig() const { return mConfig;} 00095 00096 const char *GetClassName() const {return "BinaryAudioOperation";} 00097 void Check(const Audio& in1, const Audio& in2, const Audio& out) 00098 { 00099 CLAM_ASSERT(in1.GetSize() <= in2.GetSize(), 00100 "BinaryAudioOperation::Do(): Incompatible Input Audio Data Sizes"); 00101 CLAM_ASSERT(in1.GetSize() <= out.GetSize(), 00102 "BinaryAudioOperation::Do(): Incompatible Output Audio Data Size"); 00103 00104 } 00105 00106 bool Do(void) 00107 { 00108 bool res = Do(mFirstInput.GetAudio(), 00109 mSecondInput.GetAudio(), 00110 mOutput.GetAudio()); 00111 mFirstInput.Consume(); 00112 mSecondInput.Consume(); 00113 mOutput.Produce(); 00114 return res; 00115 } 00116 00117 bool Do(const Audio& in1, const Audio& in2, Audio& out) 00118 { 00119 00120 00121 int size = in1.GetSize(); 00122 int i; 00123 00124 Check(in1,in2,out); 00125 00126 TData* inb1 = in1.GetBuffer().GetPtr(); 00127 TData* inb2 = in2.GetBuffer().GetPtr(); 00128 TData* outb = out.GetBuffer().GetPtr(); 00129 00130 for (i=0;i<size;i++) 00131 { 00132 *outb++ = mOperation( *inb1++ , *inb2++ ); 00133 } 00134 00135 return true; 00136 } 00137 00138 // Port interfaces. 00139 00140 bool SetPrototypes(const Audio& in1, const Audio& in2, const Audio& out) 00141 { 00142 return false; 00143 } 00144 00145 bool SetPrototypes() 00146 { 00147 return false; 00148 } 00149 00150 bool UnsetPrototypes() 00151 { 00152 return true; 00153 } 00154 00155 bool MayDisableExecution() const {return true;} 00156 00157 private: 00158 }; 00159 00160 } 00161 00162 #endif // _BINARY_AUDIO_OP_H_ 00163