Mercurial > hg > svcore
view data/model/AggregateWaveModel.h @ 803:2bd629a29fa3 qt5
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author | Chris Cannam |
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date | Mon, 13 May 2013 14:39:31 +0100 |
parents | 166c22eff678 |
children | 59e7fe1b1003 |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2007 QMUL. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #ifndef _AGGREGATE_WAVE_MODEL_H_ #define _AGGREGATE_WAVE_MODEL_H_ #include "RangeSummarisableTimeValueModel.h" #include "PowerOfSqrtTwoZoomConstraint.h" #include <vector> class AggregateWaveModel : public RangeSummarisableTimeValueModel { Q_OBJECT public: struct ModelChannelSpec { ModelChannelSpec(RangeSummarisableTimeValueModel *m, int c) : model(m), channel(c) { } RangeSummarisableTimeValueModel *model; int channel; }; typedef std::vector<ModelChannelSpec> ChannelSpecList; AggregateWaveModel(ChannelSpecList channelSpecs); ~AggregateWaveModel(); bool isOK() const; bool isReady(int *) const; QString getTypeName() const { return tr("Aggregate Wave"); } size_t getComponentCount() const; ModelChannelSpec getComponent(size_t c) const; const ZoomConstraint *getZoomConstraint() const { return &m_zoomConstraint; } size_t getFrameCount() const; size_t getChannelCount() const; size_t getSampleRate() const; virtual Model *clone() const; float getValueMinimum() const { return -1.0f; } float getValueMaximum() const { return 1.0f; } virtual size_t getStartFrame() const { return 0; } virtual size_t getEndFrame() const { return getFrameCount(); } virtual size_t getData(int channel, size_t start, size_t count, float *buffer) const; virtual size_t getData(int channel, size_t start, size_t count, double *buffer) const; virtual size_t getData(size_t fromchannel, size_t tochannel, size_t start, size_t count, float **buffer) const; virtual size_t getSummaryBlockSize(size_t desired) const; virtual void getSummaries(size_t channel, size_t start, size_t count, RangeBlock &ranges, size_t &blockSize) const; virtual Range getSummary(size_t channel, size_t start, size_t count) const; virtual void toXml(QTextStream &out, QString indent = "", QString extraAttributes = "") const; signals: void modelChanged(); void modelChanged(size_t, size_t); void completionChanged(); protected slots: void componentModelChanged(); void componentModelChanged(size_t, size_t); void componentModelCompletionChanged(); protected: ChannelSpecList m_components; static PowerOfSqrtTwoZoomConstraint m_zoomConstraint; }; #endif