annotate dsp/tonal/TCSgram.cpp @ 241:a98dd8ec96f8

* Move dsp/maths to maths ; bring PCA and HMM across from Soundbite
author Chris Cannam <c.cannam@qmul.ac.uk>
date Wed, 09 Jan 2008 10:31:29 +0000
parents 49844bc8a895
children e5907ae6de17
rev   line source
c@225 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
c@225 2
c@225 3 /*
c@225 4 QM DSP Library
c@225 5
c@225 6 Centre for Digital Music, Queen Mary, University of London.
c@225 7 This file copyright 2006 Martin Gasser.
c@225 8 All rights reserved.
c@225 9 */
c@225 10
c@225 11 #include "TCSgram.h"
c@225 12
c@225 13 #include <valarray>
c@225 14 #include <cmath>
c@225 15 #include <iostream>
c@225 16 #include <limits>
c@225 17
c@241 18 #include "maths/MathUtilities.h"
c@225 19
c@225 20 TCSGram::TCSGram() :
c@225 21 m_uNumBins(6)
c@225 22 {
c@225 23 }
c@225 24
c@225 25 TCSGram::~TCSGram()
c@225 26 {
c@225 27 }
c@225 28
c@225 29
c@225 30 void TCSGram::getTCSVector(int iPosition, TCSVector& rTCSVector) const
c@225 31 {
c@225 32 if (iPosition < 0)
c@225 33 rTCSVector = TCSVector();
c@225 34 else if (iPosition >= m_VectorList.size())
c@225 35 rTCSVector = TCSVector();
c@225 36 else
c@225 37 rTCSVector = m_VectorList[iPosition].second;
c@225 38 }
c@225 39
c@225 40 long TCSGram::getTime(size_t uPosition) const
c@225 41 {
c@225 42 return m_VectorList[uPosition].first;
c@225 43 }
c@225 44
c@225 45
c@225 46 void TCSGram::addTCSVector(const TCSVector& rTCSVector)
c@225 47 {
c@225 48 size_t uSize = m_VectorList.size();
c@225 49 long lMilliSeconds = static_cast<long>(uSize*m_dFrameDurationMS);
c@225 50 std::pair<long, TCSVector> p;
c@225 51 p.first = lMilliSeconds;
c@225 52 p.second = rTCSVector;
c@225 53
c@225 54 m_VectorList.push_back(p);
c@225 55 }
c@225 56
c@225 57 long TCSGram::getDuration() const
c@225 58 {
c@225 59 size_t uSize = m_VectorList.size();
c@225 60 return static_cast<long>(uSize*m_dFrameDurationMS);
c@225 61 }
c@225 62
c@225 63 void TCSGram::printDebug()
c@225 64 {
c@225 65 vectorlist_t::iterator vectorIterator = m_VectorList.begin();
c@225 66
c@225 67 while (vectorIterator != m_VectorList.end())
c@225 68 {
c@225 69 vectorIterator->second.printDebug();
c@225 70 vectorIterator++;
c@225 71 }
c@225 72 }