109 lines
2.5 KiB
C++
109 lines
2.5 KiB
C++
/*
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Strawberry Music Player
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This file was part of Amarok.
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Copyright 2003-2004, Max Howell <max.howell@methylblue.com>
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Copyright 2009-2012, David Sansome <me@davidsansome.com>
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Copyright 2010, 2012, 2014, John Maguire <john.maguire@gmail.com>
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Copyright 2017, Santiago Gil
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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 ANALYZERBASE_H
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#define ANALYZERBASE_H
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#include "config.h"
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#ifdef __FreeBSD__
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# include <sys/types.h>
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#endif
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#include <vector>
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#include <QtGlobal>
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#include <QObject>
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#include <QWidget>
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#include <QBasicTimer>
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#include <QString>
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#include <QPainter>
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#include "analyzer/fht.h"
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#include "engine/engine_fwd.h"
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#include "engine/enginebase.h"
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class QHideEvent;
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class QShowEvent;
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class QTimerEvent;
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class QPaintEvent;
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namespace Analyzer {
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typedef std::vector<float> Scope;
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class Base : public QWidget {
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Q_OBJECT
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public:
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~Base() override { delete fht_; }
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int timeout() const { return timeout_; }
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void set_engine(EngineBase *engine) { engine_ = engine; }
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void changeTimeout(int newTimeout) {
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timeout_ = newTimeout;
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if (timer_.isActive()) {
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timer_.stop();
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timer_.start(timeout_, this);
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}
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}
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virtual void framerateChanged() {}
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protected:
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explicit Base(QWidget*, const uint scopeSize = 7);
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void hideEvent(QHideEvent*) override;
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void showEvent(QShowEvent*) override;
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void paintEvent(QPaintEvent*) override;
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void timerEvent(QTimerEvent*) override;
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void polishEvent();
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int resizeExponent(int);
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int resizeForBands(const int);
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virtual void init() {}
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virtual void transform(Scope&);
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virtual void analyze(QPainter &p, const Scope&, const bool new_frame) = 0;
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virtual void demo(QPainter &p);
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protected:
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QBasicTimer timer_;
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int timeout_;
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FHT *fht_;
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EngineBase *engine_;
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Scope lastscope_;
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bool new_frame_;
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bool is_playing_;
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};
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void interpolate(const Scope&, Scope&);
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void initSin(Scope&, const uint = 6000);
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} // namespace Analyzer
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#endif // ANALYZERBASE_H
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