CLAM-Development
1.1
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00001 /* 00002 * Copyright (c) 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 #include "SegmentTransformation.hxx" 00023 00024 namespace CLAM 00025 { 00026 void SegmentTransformation::WrapFrameTransformation( FrameTransformation* trans) 00027 { 00028 CLAM_ASSERT( !mFrameTransformation, "SegmentTransformation::Wrapp object shoudn't have wrapped transformation"); 00029 mFrameTransformation = trans; 00030 } 00031 00032 SegmentTransformation::SegmentTransformation() 00033 : mOnCtrl("On",this) 00034 , mAmountCtrl("Amount",this) 00035 { 00036 mInput = 0; 00037 mOutput = 0; 00038 mUseTemporalBPF = 0; 00039 mCurrentInputFrame = 0; 00040 mFrameTransformation = 0; 00041 } 00042 00043 SegmentTransformation::SegmentTransformation(const SegmentTransformationConfig& c) 00044 : mOnCtrl("On",this) 00045 , mAmountCtrl("Amount",this) 00046 { 00047 mInput = 0; 00048 mOutput = 0; 00049 mUseTemporalBPF = 0; 00050 mCurrentInputFrame = 0; 00051 Configure(c); 00052 mFrameTransformation = 0; 00053 } 00054 00055 SegmentTransformation::~SegmentTransformation() 00056 { 00057 if (mFrameTransformation) 00058 delete mFrameTransformation; 00059 }; 00060 00061 bool SegmentTransformation::Do(const Segment& in, Segment& out) 00062 { 00063 CLAM_ASSERT(mInput==&in, "sms transformation chain needs input segment"); 00064 //TODO find out why this finalization condition (and not just using size) 00065 while( mCurrentInputFrame<in.mCurrentFrameIndex) 00066 { 00067 if(mUseTemporalBPF) 00068 UpdateControlValueFromBPF(((TData)in.mCurrentFrameIndex)/in.GetnFrames()); 00069 00070 AddFramesToOutputIfInputIsLonger(mCurrentInputFrame, in, out); 00071 00072 const Frame & inframe = in.GetFrame(mCurrentInputFrame); 00073 Frame & outframe = out.GetFrame(mCurrentInputFrame); 00074 00075 if (mFrameTransformation) 00076 { 00077 mFrameTransformation->Do(inframe, outframe); 00078 } 00079 else //TODO remove when refactoring is done 00080 { 00081 Do( inframe, outframe ); 00082 } 00083 00084 00085 00086 if(&in!=&out) 00087 out.mCurrentFrameIndex++; 00088 00089 mCurrentInputFrame++; 00090 } 00091 return true; 00092 } 00093 00094 bool SegmentTransformation::ConcreteConfigure(const ProcessingConfig& c) 00095 { 00096 CopyAsConcreteConfig(mConfig, c); 00097 mUseTemporalBPF=false; 00098 if(mConfig.HasAmount()) 00099 { 00100 mAmountCtrl.DoControl(mConfig.GetAmount()); 00101 } 00102 else if(mConfig.HasBPFAmount()){ 00103 mAmountCtrl.DoControl(mConfig.GetBPFAmount().GetValue(0)); 00104 mUseTemporalBPF=true; 00105 } 00106 else 00107 { 00108 mAmountCtrl.DoControl(0); 00109 } 00110 00111 return true; 00112 } 00113 00114 bool SegmentTransformation::UpdateControlValueFromBPF(TData pos) 00115 { 00116 if(mConfig.HasBPFAmount()) 00117 { 00118 TControlData amount = mConfig.GetBPFAmount().GetValue(pos); 00119 mAmountCtrl.DoControl(amount); 00120 return true; 00121 } 00122 else return false; 00123 } 00124 00125 bool SegmentTransformation::IsLastFrame() 00126 { 00127 bool isLast=mInput->mCurrentFrameIndex >= mInput->GetnFrames(); 00128 00129 if(isLast) 00130 { 00131 while(mOutput->GetnFrames()>=mOutput->mCurrentFrameIndex) 00132 { 00133 mOutput->DeleteFrame(mOutput->GetnFrames()-1); 00134 } 00135 } 00136 return isLast; 00137 } 00138 00139 bool SegmentTransformation::ConcreteStart() 00140 { 00141 return true; 00142 } 00143 00144 00145 00146 } 00147