FrameProvider.h

#ifndef FRAMEPROVIDER_H
#define FRAMEPROVIDER_H
 
#include <QObject>
#include <QPixmap>
class QMutex;
 
class FrameProvider : public QObject {
    Q_OBJECT
public:
    explicit FrameProvider(const QString& valid_base_path, QObject* parent);
 
    virtual ~FrameProvider();
 
    void append_src(const QString& valid_base_path);
 
    void append_srcs(const QStringList& valid_base_paths);
 
    void lock_src(const QString& valid_base_path);
 
    void terminate_flow();
 
    void resume_flow();
 
    void manual_shuffle_once();
 
    QPixmap& src_pixmap();
 
    virtual QRect& src_bounding_rect() = 0;
 
private:
    bool locked { false }; 
    QStringList sources_path; 
    QMutex* src_query_locker; 
    QPixmap static_load; 
    QTimer* update_timer; 
    short flow_index { 0 }; 
 
    void flush_src_once();
};
 
#endif // FRAMEPROVIDER_H