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 _AUDIO_HXX 00023 #define _AUDIO_HXX 00024 00025 #include <typeinfo> 00026 00027 // 00028 // Finally, we have decided to use a single buffer of TDatas, all 00029 // previously existing data formats have proven useless and have 00030 // been removed. 00031 // 00032 00033 00034 #include "DynamicType.hxx" 00035 #include "Array.hxx" 00036 #include "ProcessingData.hxx" 00037 #include "ProcessingDataConfig.hxx" 00038 #include "DataTypes.hxx" 00039 00040 namespace CLAM { 00041 00042 00048 class Audio: public ProcessingData { 00049 public: 00050 DYNAMIC_TYPE_USING_INTERFACE (Audio, 3, ProcessingData); 00051 00053 DYN_ATTRIBUTE (0, public, TData, SampleRate); 00055 DYN_ATTRIBUTE (1, public, TTime, BeginTime); 00057 DYN_ATTRIBUTE (2, public, DataArray, Buffer); 00058 00059 protected: 00060 00061 void DefaultInit(); // To be used from the dynamic-type-generated constructor. 00062 00063 public: 00064 00065 00067 int GetSize() const {return GetBuffer().Size();} 00068 00071 TTime GetEndTime() const {return GetBeginTime()+GetTimeFromIndex(GetSize());} 00072 00075 TTime GetDuration() const {return GetTimeFromIndex(GetSize());} 00076 00082 void SetSize(int s); 00083 00087 void SetEndTime(TTime time); 00088 00095 void ResizeToEndTime(TTime time); 00096 00100 void SetDuration(TTime duration); 00101 00109 void ResizeToDuration(TTime duration); 00110 00117 void GetAudioChunk(TTime beginTime, TTime endTime,Audio& chunk,bool configureChunk=true) const; 00118 00125 void GetAudioChunk(TIndex beginIndex,TIndex endIndex,Audio& chunk, bool configureChunk=true) const; 00126 00135 void GetAudioSlice(TTime beginTime, TTime endTime,Audio& slice,bool configureSlice=true) const; 00136 00137 00145 void GetAudioSlice( TIndex beginIndex, TIndex endIndex, Audio& slice, bool configureSlice=true) const; 00146 00151 void SetAudioChunk(TTime beginTime,const Audio& chunk); 00152 00157 void SetAudioChunk(TIndex beginIndex,const Audio& chunk); 00158 00159 private: 00164 TTime GetTimeFromIndex(TIndex index) const; 00165 00170 TIndex GetIndexFromTime(TTime time) const; 00171 }; 00172 };//namespace 00173 00174 #endif 00175