proxygenerator.h

#ifndef PROXYGENERATOR_H
#define PROXYGENERATOR_H

#include <QThread>
#include <QVector>
#include <QMutex>
#include <QWaitCondition>

struct Footage;

struct ProxyInfo {
    Footage* footage;
    double size_multiplier;
    int codec_type;
    QString path;
};

class ProxyGenerator : public QThread {
    Q_OBJECT
public:
    ProxyGenerator();
    void run();
    void queue(const ProxyInfo& info);
    void cancel();
    double get_proxy_progress(Footage* f);
private:
    // queue of footage to process proxies for
    QVector<ProxyInfo> proxy_queue;

    // threading objects
    QWaitCondition waitCond;
    QMutex mutex;

    // set to true if you want to permanently close ProxyGenerator
    bool cancelled;

    // set to true if you want to abort the footage currently being processed
    bool skip;

    // stores progress in percent of proxy currently being processed
    double current_progress;

    // function that performs the actual transcode
    void transcode(const ProxyInfo& info);
};

// proxy generator is a global omnipotent entity
extern ProxyGenerator proxy_generator;

#endif // PROXYGENERATOR_H