AudioFileMemoryLoader.hxx

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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 AudioFileMemoryLoader_hxx
00023 #define AudioFileMemoryLoader_hxx
00024 
00025 #include <CLAM/Processing.hxx>
00026 #include <CLAM/MonoAudioFileReader.hxx>
00027 #include <CLAM/MonoAudioFileReaderConfig.hxx>
00028 #include <CLAM/AudioOutPort.hxx>
00029 #include <CLAM/OutControl.hxx>
00030 #include <CLAM/InControl.hxx>
00031 
00032 namespace CLAM
00033 {
00034 
00035         class AudioFileMemoryLoader : public Processing
00036         {
00037         public:
00038                 
00039                 typedef MonoAudioFileReaderConfig Config;
00040                 
00041                 AudioFileMemoryLoader( const ProcessingConfig& cfg = Config() );
00042 
00043                 virtual const char* GetClassName() const;
00044                 virtual const ProcessingConfig& GetConfig() const;
00045                 bool Do( Audio & outputSamples );
00046                 virtual bool Do();      
00047                 virtual ~AudioFileMemoryLoader();
00048                 
00049                 unsigned long GetSamples();
00050 
00051         protected: // methods
00052 
00053                 virtual bool ConcreteConfigure( const ProcessingConfig& cfgObject );
00054                 virtual bool ConcreteStart();
00055 
00056         protected: // attributes
00057                 
00058                 Config       _config;
00059                 AudioOutPort _output;
00060                 FloatOutControl   _timeOutput;
00061                 FloatInControl    _positionInput;
00062                 TControlData _lastPosition;
00063                 TControlData _delta;
00064                 long         _position;
00065                 Audio        _samples;
00066                 TData        _sampleRate;
00067         };
00068 }
00069 
00070 #endif // AudioFileMemoryLoader.hxx