EnvelopeModulator.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 _EnvelopeModulator_
00023 #define _EnvelopeModulator_
00024 
00025 #include "Processing.hxx"
00026 #include "InPort.hxx"
00027 #include "AudioOutPort.hxx"
00028 #include "AudioInPort.hxx"
00029 #include "Envelope.hxx"
00030 #include "Audio.hxx"
00031 
00032 namespace CLAM
00033 {
00034 
00035         class EnvModulatorConfig: public ProcessingConfig
00036         {
00037         public:
00038                 DYNAMIC_TYPE_USING_INTERFACE (EnvModulatorConfig, 3, ProcessingConfig);
00039                 DYN_ATTRIBUTE (0, public, TData, SampleRate);
00040                 DYN_ATTRIBUTE (1, public, int,  FrameSize);
00041                 DYN_ATTRIBUTE (2, public, bool, EnvelopeCompression);
00042         protected:
00043 
00044                 void DefaultInit(void);
00045         };
00046         
00047         class EnvelopeModulator: public Processing
00048         {
00049         public:
00050 
00051                 InPort<Envelope> InputEnvelope;
00052                 InPort<Audio> InputAudio;
00053                 OutPort<Audio> Output;
00054 
00055         private:
00056                 EnvModulatorConfig mConfig;
00057                 TTime mDeltaX;
00058                 bool mCompress;
00059 
00060                 TData Compress(TData);
00061 
00062                 bool ConcreteConfigure(const ProcessingConfig& c);
00063 
00064         public:
00065                 EnvelopeModulator(const EnvModulatorConfig& c = EnvModulatorConfig());
00066 
00067                 const char * GetClassName() const {return "EnvelopeModulator";}
00068 
00069                 const ProcessingConfig &GetConfig() const { return mConfig;}
00070 
00071                 void Attach(Envelope& env, Audio& inp, Audio& out);
00072 
00073                 bool Do(void);
00074 
00075                 bool Do(const Envelope& env, const Audio& inp, Audio& out);
00076 
00077         };
00078         
00079 }
00080 
00081 #endif
00082 
00083 
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