comparison data/model/test/MockWaveModel.h @ 1086:9f4505ac9072

Tidy dense time-value model API a bit; add first simple unit test for FFT model

+/* -*- 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 2006 Chris Cannam.
+    
+    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 MOCK_WAVE_MODEL_H
+#define MOCK_WAVE_MODEL_H
+
+#include "../DenseTimeValueModel.h"
+
+#include <vector>
+
+enum Sort {
+    DC,
+    Sine,
+    Cosine,
+    Nyquist,
+    Dirac
+};
+
+class MockWaveModel : public DenseTimeValueModel
+{
+    Q_OBJECT
+
+public:
+    /** One Sort per channel! Length is in samples */
+    MockWaveModel(std::vector<Sort> sorts, int length);
+
+    virtual float getValueMinimum() const { return -1.f; }
+    virtual float getValueMaximum() const { return  1.f; }
+    virtual int getChannelCount() const { return int(m_data.size()); }
+    
+    virtual sv_frame_t getData(int channel, sv_frame_t start, sv_frame_t count,
+                               float *buffer) const;
+    virtual sv_frame_t getMultiChannelData(int fromchannel, int tochannel,
+					   sv_frame_t start, sv_frame_t count,
+					   float **buffers) const;
+
+    virtual bool canPlay() const { return true; }
+    virtual QString getDefaultPlayClipId() const { return ""; }
+
+    virtual sv_frame_t getStartFrame() const { return 0; }
+    virtual sv_frame_t getEndFrame() const { return m_data[0].size(); }
+    virtual sv_samplerate_t getSampleRate() const { return 44100; }
+    virtual bool isOK() const { return true; }
+    
+    QString getTypeName() const { return tr("Mock Wave"); }
+
+private:
+    std::vector<std::vector<float> > m_data;
+    std::vector<float> generate(Sort sort, int length) const;
+};
+
+#endif