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#ifndef VIDNAIL_H
#define VIDNAIL_H
extern "C" {
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
}
class VidNail;
struct vFrame {
vFrame() : *width(0), *height(0) {}
vFrame(int *width, int *height : width(width), height(height) {}
int *width;
int *height;
};
public:
QString getCodec();
void skipTo(int timeInSeconds);
void readVideoFrame();
void getScaledVideoFrame(int scaledSize, vFrame& vFrame);
int getWidth();
int getHeight();
int getLength();
void makeThumbnail(const QString& videoFile, QImage &image);
void setThumbnailSize(int size);
void setPercentage(int percent);
void setTime(const QString& Time);
void writeVidNail(vFrame& frame, QImage& image);
private:
bool readVideoPacket();
bool getVideoPacket();
void scaleVideo(int scaledSize, int& scaledWidth, int& scaledHeight);
void createVFrame(AVFrame *vFrame, quint8 *frameBuffer, int width, int height);
void calculateDimensions(int size);
void generateThumbnail(const QString& videoFile, ImageWriter& imageWriter, QImage& image);
QString getMimeType(const QString& videoFile);
QString getExtension(const QString& videoFilename);
private:
int videoStream;
AVFormatContext *inputVideoFormatContext;
AVCodecContext *inputvideoCodecContext;
AVCodec *inputVideoCodec;
AVStream *inputVideoStream;
AVFrame *inputVideoFrame;
quint8 *inputFrameBuffer;
AVPacket *videoPacket;
#endif // VIDNAIL_H
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