annotate data/model/Dense3DModelPeakCache.h @ 1886:f803d3c33f76 tip

Switch off copious debug in soft synth driving
author Chris Cannam
date Fri, 14 Aug 2020 10:44:44 +0100
parents 1b688ab5f1b3
children
rev   line source
Chris@545 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@545 2
Chris@545 3 /*
Chris@545 4 Sonic Visualiser
Chris@545 5 An audio file viewer and annotation editor.
Chris@545 6 Centre for Digital Music, Queen Mary, University of London.
Chris@545 7 This file copyright 2009 QMUL.
Chris@545 8
Chris@545 9 This program is free software; you can redistribute it and/or
Chris@545 10 modify it under the terms of the GNU General Public License as
Chris@545 11 published by the Free Software Foundation; either version 2 of the
Chris@545 12 License, or (at your option) any later version. See the file
Chris@545 13 COPYING included with this distribution for more information.
Chris@545 14 */
Chris@545 15
Chris@1191 16 #ifndef DENSE_3D_MODEL_PEAK_CACHE_H
Chris@1191 17 #define DENSE_3D_MODEL_PEAK_CACHE_H
Chris@545 18
Chris@545 19 #include "DenseThreeDimensionalModel.h"
Chris@545 20 #include "EditableDenseThreeDimensionalModel.h"
Chris@545 21
Chris@1778 22 /**
Chris@1778 23 * A DenseThreeDimensionalModel that represents a reduction in the
Chris@1778 24 * time dimension of another DenseThreeDimensionalModel. Each column
Chris@1778 25 * contains the peak values from a number of consecutive columns in
Chris@1778 26 * the source. Each column is populated from the source model when
Chris@1778 27 * first requested, and is returned from cache on subsequent requests.
Chris@1778 28 *
Chris@1778 29 * Dense3DModelPeakCache is not thread-safe.
Chris@1778 30 */
Chris@545 31 class Dense3DModelPeakCache : public DenseThreeDimensionalModel
Chris@545 32 {
Chris@546 33 Q_OBJECT
Chris@546 34
Chris@545 35 public:
Chris@1739 36 Dense3DModelPeakCache(ModelId source, // a DenseThreeDimensionalModel
Chris@929 37 int columnsPerPeak);
Chris@545 38 ~Dense3DModelPeakCache();
Chris@545 39
Chris@1580 40 bool isOK() const override {
Chris@1739 41 auto source = ModelById::get(m_source);
Chris@1739 42 return source && source->isOK();
Chris@546 43 }
Chris@546 44
Chris@1580 45 sv_samplerate_t getSampleRate() const override {
Chris@1739 46 auto source = ModelById::get(m_source);
Chris@1739 47 return source ? source->getSampleRate() : 0;
Chris@546 48 }
Chris@546 49
Chris@1580 50 sv_frame_t getStartFrame() const override {
Chris@1739 51 auto source = ModelById::get(m_source);
Chris@1739 52 return source ? source->getStartFrame() : 0;
Chris@546 53 }
Chris@546 54
Chris@1725 55 sv_frame_t getTrueEndFrame() const override {
Chris@1739 56 auto source = ModelById::get(m_source);
Chris@1739 57 return source ? source->getTrueEndFrame() : 0;
Chris@546 58 }
Chris@546 59
Chris@1580 60 int getResolution() const override {
Chris@1739 61 auto source = ModelById::getAs<DenseThreeDimensionalModel>(m_source);
Chris@1739 62 return source ? source->getResolution() * m_columnsPerPeak : 1;
Chris@545 63 }
Chris@545 64
Chris@1190 65 virtual int getColumnsPerPeak() const {
Chris@1190 66 return m_columnsPerPeak;
Chris@1190 67 }
Chris@1190 68
Chris@1580 69 int getWidth() const override {
Chris@1739 70 auto source = ModelById::getAs<DenseThreeDimensionalModel>(m_source);
Chris@1739 71 if (!source) return 0;
Chris@1739 72 int sourceWidth = source->getWidth();
Chris@1192 73 if ((sourceWidth % m_columnsPerPeak) == 0) {
Chris@1192 74 return sourceWidth / m_columnsPerPeak;
Chris@1192 75 } else {
Chris@1192 76 return sourceWidth / m_columnsPerPeak + 1;
Chris@1192 77 }
Chris@545 78 }
Chris@545 79
Chris@1580 80 int getHeight() const override {
Chris@1739 81 auto source = ModelById::getAs<DenseThreeDimensionalModel>(m_source);
Chris@1739 82 return source ? source->getHeight() : 0;
Chris@545 83 }
Chris@545 84
Chris@1580 85 float getMinimumLevel() const override {
Chris@1739 86 auto source = ModelById::getAs<DenseThreeDimensionalModel>(m_source);
Chris@1739 87 return source ? source->getMinimumLevel() : 0.f;
Chris@545 88 }
Chris@545 89
Chris@1580 90 float getMaximumLevel() const override {
Chris@1739 91 auto source = ModelById::getAs<DenseThreeDimensionalModel>(m_source);
Chris@1739 92 return source ? source->getMaximumLevel() : 1.f;
Chris@545 93 }
Chris@545 94
Chris@1339 95 /**
Chris@1339 96 * Retrieve the peaks column at peak-cache column number col. This
Chris@1339 97 * will consist of the peak values in the underlying model from
Chris@1339 98 * columns (col * getColumnsPerPeak()) to ((col+1) *
Chris@1339 99 * getColumnsPerPeak() - 1) inclusive.
Chris@1339 100 */
Chris@1580 101 Column getColumn(int col) const override;
Chris@545 102
Chris@1580 103 float getValueAt(int col, int n) const override;
Chris@545 104
Chris@1580 105 QString getBinName(int n) const override {
Chris@1739 106 auto source = ModelById::getAs<DenseThreeDimensionalModel>(m_source);
Chris@1739 107 return source ? source->getBinName(n) : "";
Chris@545 108 }
Chris@545 109
Chris@1580 110 bool shouldUseLogValueScale() const override {
Chris@1739 111 auto source = ModelById::getAs<DenseThreeDimensionalModel>(m_source);
Chris@1739 112 return source ? source->shouldUseLogValueScale() : false;
Chris@545 113 }
Chris@545 114
Chris@1580 115 QString getTypeName() const override { return tr("Dense 3-D Peak Cache"); }
Chris@545 116
Chris@1580 117 int getCompletion() const override {
Chris@1739 118 auto source = ModelById::get(m_source);
Chris@1739 119 return source ? source->getCompletion() : 100;
Chris@545 120 }
Chris@545 121
Chris@1833 122 QVector<QString>
Chris@1833 123 getStringExportHeaders(DataExportOptions) const override {
Chris@1833 124 return {};
Chris@1815 125 }
Chris@1833 126
Chris@1833 127 QVector<QVector<QString>>
Chris@1833 128 toStringExportRows(DataExportOptions, sv_frame_t, sv_frame_t) const override {
Chris@1833 129 return {};
Chris@1679 130 }
Chris@1679 131
Chris@545 132 protected slots:
Chris@1752 133 void sourceModelChanged(ModelId);
Chris@545 134
Chris@545 135 private:
Chris@1739 136 ModelId m_source;
Chris@1190 137 int m_columnsPerPeak;
Chris@545 138
Chris@1837 139 mutable std::vector<Column> m_cache;
Chris@1778 140 mutable std::vector<bool> m_coverage; // bool for space efficiency
Chris@1778 141 // (vector of bool is a bitmap)
Chris@1778 142 mutable bool m_finalColumnIncomplete;
Chris@1778 143
Chris@929 144 bool haveColumn(int column) const;
Chris@929 145 void fillColumn(int column) const;
Chris@545 146 };
Chris@545 147
Chris@545 148
Chris@545 149 #endif