qm-dsp
1.8
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00001 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ 00002 00003 /* 00004 QM DSP Library 00005 00006 Centre for Digital Music, Queen Mary, University of London. 00007 This file 2005-2006 Christian Landone. 00008 00009 This program is free software; you can redistribute it and/or 00010 modify it under the terms of the GNU General Public License as 00011 published by the Free Software Foundation; either version 2 of the 00012 License, or (at your option) any later version. See the file 00013 COPYING included with this distribution for more information. 00014 */ 00015 00016 #ifndef FRAMER_H 00017 #define FRAMER_H 00018 00019 //#include <io.h> 00020 #include <fcntl.h> 00021 #include <stdio.h> 00022 00023 00024 class Framer 00025 { 00026 public: 00027 void setSource( double* src, unsigned int length ); 00028 unsigned int getMaxNoFrames(); 00029 void getFrame( double* dst ); 00030 void configure( unsigned int frameLength, unsigned int hop ); 00031 Framer(); 00032 virtual ~Framer(); 00033 00034 void resetCounters(); 00035 00036 private: 00037 00038 unsigned long m_ulSampleLen; // DataLength (samples) 00039 unsigned int m_framesRead; // Read Frames Index 00040 00041 double* m_srcBuffer; 00042 double* m_dataFrame; // Analysis Frame Buffer 00043 double* m_strideFrame; // Stride Frame Buffer 00044 unsigned int m_frameLength; // Analysis Frame Length 00045 unsigned int m_stepSize; // Analysis Frame Stride 00046 00047 unsigned int m_maxFrames; 00048 00049 unsigned long m_ulSrcIndex; 00050 }; 00051 00052 #endif