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#ifndef PREVIEWGENERATOR_H
#define PREVIEWGENERATOR_H
#include <QThread>
#include <QSemaphore>
#define ICON_TYPE_VIDEO 0
#define ICON_TYPE_AUDIO 1
#define ICON_TYPE_IMAGE 2
#define ICON_TYPE_ERROR 3
struct Footage;
struct FootageStream;
struct AVFormatContext;
class Media;
class PreviewGenerator : public QThread
{
Q_OBJECT
public:
PreviewGenerator(Media*, Footage*, bool);
void run();
void cancel();
signals:
void set_icon(int, bool);
private:
void parse_media();
bool retrieve_preview(const QString &hash);
void generate_waveform();
void finalize_media();
AVFormatContext* fmt_ctx;
Media* media;
Footage* footage;
bool retrieve_duration;
bool contains_still_image;
bool replace;
bool cancelled;
QString data_path;
QString get_thumbnail_path(const QString &hash, FootageStream* ms);
QString get_waveform_path(const QString& hash, FootageStream* ms);
};
#endif // PREVIEWGENERATOR_H
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