c@225: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
c@225: 
c@225: /*
c@225:     QM DSP Library
c@225: 
c@225:     Centre for Digital Music, Queen Mary, University of London.
c@309:     This file 2005-2006 Christian Landone.
c@309: 
c@309:     This program is free software; you can redistribute it and/or
c@309:     modify it under the terms of the GNU General Public License as
c@309:     published by the Free Software Foundation; either version 2 of the
c@309:     License, or (at your option) any later version.  See the file
c@309:     COPYING included with this distribution for more information.
c@225: */
c@225: 
cannam@489: #ifndef QM_DSP_FRAMER_H
cannam@489: #define QM_DSP_FRAMER_H
c@225: 
cannam@502: #include <stdint.h>
cannam@502: 
c@225: class Framer  
c@225: {
c@225: public:
c@225:     Framer();
c@225:     virtual ~Framer();
c@225: 
cannam@502:     void setSource(double* src, int64_t length);
cannam@502:     void configure(int frameLength, int hop);
cannam@502:     
cannam@502:     int getMaxNoFrames();
cannam@502:     void getFrame(double* dst);
cannam@502: 
c@225:     void resetCounters();
c@225: 
c@225: private:
cannam@502:     int64_t m_sampleLen;          // DataLength (samples)
cannam@502:     int m_framesRead;             // Read Frames Index
cannam@502:  
cannam@502:     double* m_srcBuffer;
cannam@502:     double* m_dataFrame;          // Analysis Frame Buffer
cannam@502:     double* m_strideFrame;        // Stride Frame Buffer
cannam@502:     int m_frameLength;            // Analysis Frame Length
cannam@502:     int m_stepSize;               // Analysis Frame Stride
c@225: 
cannam@502:     int m_maxFrames;
c@225: 
cannam@502:     int64_t m_srcIndex;
c@225: };
c@225: 
c@225: #endif