Clementine-audio-player-Mac.../src/analyzers/analyzerbase.h

130 lines
3.1 KiB
C++

/* This file is part of Clementine.
Copyright 2004, Max Howell <max.howell@methylblue.com>
Copyright 2009-2010, David Sansome <davidsansome@gmail.com>
Copyright 2010, 2014, John Maguire <john.maguire@gmail.com>
Copyright 2011, Arnaud Bienner <arnaud.bienner@gmail.com>
Copyright 2014-2015, Mark Furneaux <mark@furneaux.ca>
Copyright 2014, Krzysztof Sobiecki <sobkas@gmail.com>
Clementine 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 3 of the License, or
(at your option) any later version.
Clementine is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
/* Original Author: Max Howell <max.howell@methylblue.com> 2004
*/
#ifndef ANALYZERS_ANALYZERBASE_H_
#define ANALYZERS_ANALYZERBASE_H_
#include "config.h"
#ifdef __FreeBSD__
#include <sys/types.h>
#endif
#include <QBasicTimer>
#include <QPixmap>
#include <QWidget>
#include <vector>
#include "engines/engine_fwd.h"
#include "engines/enginebase.h"
#include "fht.h"
#ifdef HAVE_OPENGL
#include <QGLWidget>
#ifdef Q_OS_MACX
#include <OpenGL/gl.h>
#include <OpenGL/glu.h>
#else
#include <GL/gl.h>
#include <GL/glu.h>
#endif
#endif
class QEvent;
class QPaintEvent;
class QResizeEvent;
namespace Analyzer {
typedef std::vector<float> Scope;
class Base : public QWidget {
Q_OBJECT
public:
~Base() { delete fht_; }
uint timeout() const { return timeout_; }
void set_engine(EngineBase* engine) { engine_ = engine; }
void changeTimeout(uint newTimeout) {
timeout_ = newTimeout;
if (timer_.isActive()) {
timer_.stop();
timer_.start(timeout_, this);
}
}
virtual void framerateChanged() {}
virtual void psychedelicModeChanged(bool);
protected:
explicit Base(QWidget*, uint scopeSize = 7);
void hideEvent(QHideEvent*);
void showEvent(QShowEvent*);
void paintEvent(QPaintEvent*);
void timerEvent(QTimerEvent*);
void polishEvent();
int resizeExponent(int);
int resizeForBands(int);
int BandFrequency(int) const;
void updateBandSize(const int);
QColor getPsychedelicColor(const Scope&, const int, const int);
virtual void init() {}
virtual void transform(Scope&);
virtual void analyze(QPainter& p, const Scope&, bool new_frame) = 0;
virtual void demo(QPainter& p);
protected:
static const int kSampleRate =
44100; // we shouldn't need to care about ultrasonics
QBasicTimer timer_;
uint timeout_;
FHT* fht_;
EngineBase* engine_;
Scope lastScope_;
bool new_frame_;
bool is_playing_;
QVector<uint> barkband_table_;
double prev_colors_[10][3];
int prev_color_index_;
int bands_;
bool psychedelic_enabled_;
};
void interpolate(const Scope&, Scope&);
void initSin(Scope&, const uint = 6000);
} // END namespace Analyzer
#endif // ANALYZERS_ANALYZERBASE_H_