SegmentSMSTimeStretch.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 
00023 #ifndef _SegmentSMSTimeStretch_
00024 #define _SegmentSMSTimeStretch_
00025 
00026 #include "SegmentTransformation.hxx"
00027 #include "FrameInterpolator.hxx"
00028 #include "SegmentSMSTimeStretchConfig.hxx"
00029 
00030 namespace CLAM{
00031 
00032 
00033         
00036         class SegmentSMSTimeStretch: public SegmentTransformation
00037         {
00038                                         
00039         public:
00041                 SegmentSMSTimeStretch();
00045                 SegmentSMSTimeStretch(const SegmentTransformationConfig &c);
00046                 
00050                 const char *GetClassName() const {return "SegmentSMSTimeStretch";}
00051 
00052                 bool ConcreteConfigure(const ProcessingConfig& c);
00053                 bool ConcreteStart();
00054                 bool ConcreteStop();
00055                 
00057                 ~SegmentSMSTimeStretch(){};
00058 
00059                 bool Do()
00060                 {
00061                         CLAM_ASSERT(false, "Do with ports not implemented");
00062                         return false;
00063                 }
00064 
00065                 bool Do(const Frame& in, Frame& out);
00066                 bool Do(const Segment& in, Segment& out);
00067                 bool CanProcessInplace() {return false;}
00068                 bool IsLastFrame();
00069                 
00070                 Frame& GetCurrentFrame(Segment& out);
00071                 const Frame& GetCurrentFrame(const Segment& in);
00072                 
00073                 FloatInControl mAmount;
00074         protected:
00075                 bool HaveFinished();
00076                 void UpdateTimeAndIndex(const Segment& in);
00077                 
00078                 TTime mSynthesisTime;
00079                 TTime mAnalysisTime;
00080                 TIndex mnSynthesisFrames;
00081                 
00082                 Frame mLeftFrame;
00083 
00084                 SegmentSMSTimeStretchConfig mConcreteConfig;
00085 
00087                 FrameInterpolator mPO_FrameInterpolator;
00088         
00089         };              
00090 };//namespace CLAM
00091 
00092 #endif // _SegmentSMSTimeStretch_
00093 
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