52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
/* This file was part of Clementine.
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Copyright 2014, David Sansome <me@davidsansome.com>
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Strawberry is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Strawberry is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MOODBARBUILDER_H
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#define MOODBARBUILDER_H
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#include <QtGlobal>
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#include <QList>
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#include <QByteArray>
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class MoodbarBuilder {
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public:
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explicit MoodbarBuilder();
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void Init(int bands, int rate_hz);
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void AddFrame(const double *magnitudes, int size);
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QByteArray Finish(int width);
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private:
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struct Rgb {
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Rgb() : r(0), g(0), b(0) {}
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Rgb(double r_, double g_, double b_) : r(r_), g(g_), b(b_) {}
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double r, g, b;
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};
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int BandFrequency(int band) const;
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static void Normalize(QList<Rgb> *vals, double Rgb::*member);
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QList<uint> barkband_table_;
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int bands_;
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int rate_hz_;
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QList<Rgb> frames_;
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};
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#endif // MOODBARBUILDER_H
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