mainvisual.h

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// Copyright (c) 2000-2001 Brad Hughes <bhughes@trolltech.com>
//
// Use, modification and distribution is allowed without limitation,
// warranty, or liability of any kind.
//
 
#ifndef MAINVISUAL_H
#define MAINVISUAL_H
 
// C++
#include <vector>
 
#include "constants.h"
 
// Qt
#include <QHideEvent>
#include <QList>
#include <QPaintEvent>
#include <QPixmap>
#include <QResizeEvent>
#include <QStringList>
#include <QTimer>
#include <QWidget>
 
// MythTV headers
#include <libmyth/visual.h>
 
// MythMusic
#include "visualize.h"
 
class MythUIVideo;
 
// base class to handle things like frame rate...
class MainVisual :  public QObject, public MythTV::Visual
{
    Q_OBJECT
 
  public:
    explicit MainVisual(MythUIVideo *visualizer);
    ~MainVisual() override;
 
    VisualBase *visual(void) const { return m_vis; }
    void setVisual(const QString &name);
 
    void stop(void);
 
    void resize(QSize size);
 
    void add(const void *buffer, unsigned long b_len, std::chrono::milliseconds timecode,
             int source_channel, int bits_per_sample) override; // Visual
    void prepare(void) override; // Visual
 
    void customEvent(QEvent *event) override; // QObject
 
    void setFrameRate(int newfps);
    int frameRate(void) const { return m_fps; }
 
    QStringList getVisualizations(void) { return m_visualizers; }
 
    int getCurrentVisual(void) const { return m_currentVisualizer; }
 
  public slots:
    void timeout();
 
  private:
    MythUIVideo *m_visualizerVideo {nullptr};
    QStringList m_visualizers;
    int m_currentVisualizer        {0};
    VisualBase *m_vis              {nullptr};
    QPixmap m_pixmap;
    QList<VisualNode*> m_nodes;
    bool m_playing                 {false};
    int m_fps                      {20};
    unsigned long m_samples        {SAMPLES_DEFAULT_SIZE};
    QTimer *m_updateTimer          {nullptr};
};
 
#endif // MAINVISUAL_H