diff options
Diffstat (limited to 'src-qt5/desktop-utils/lumina-fm/widgets/vidnail.cpp')
-rw-r--r-- | src-qt5/desktop-utils/lumina-fm/widgets/vidnail.cpp | 72 |
1 files changed, 49 insertions, 23 deletions
diff --git a/src-qt5/desktop-utils/lumina-fm/widgets/vidnail.cpp b/src-qt5/desktop-utils/lumina-fm/widgets/vidnail.cpp index ee7fb9e3..d0ecdecf 100644 --- a/src-qt5/desktop-utils/lumina-fm/widgets/vidnail.cpp +++ b/src-qt5/desktop-utils/lumina-fm/widgets/vidnail.cpp @@ -1,33 +1,59 @@ -#include "vidnail.h" -vidnail::vidnail(QWidget *parent) : QMainWindow(parent), mplayer(parent, QMediaPlayer::VideoSurface){ //there is no UI, so not sure how to alter the constructor +#ifndef VIDNAIL_H +#define VIDNAIL_H + +extern "C" { +#include <libavcodec/avcodec.h> +#include <libavformat/avformat.h> } -vidnail::~vidnail() -{ +class VidNail; -vidnail::grabvideothumbnail(){ - vsurface = new QAbstractVideoSurface(); - mplayer.setVideoOutput(vsurface); - mplayer.setMedia($file); // video file to get thumbnail of - imageCaptured = QPixmap(); - mplayer.setPosition(2000); // time in milliseconds - mplayer.setMuted(true); // just to make sure no sound is emited - mplayer.play(); +struct vFrame { + vFrame() : *width(0), *height(0) {} + vFrame(int *width, int *height : width(width), height(height) {} + int *width; + int *height; +}; - currentFrame = frame; - const QImage::Format imageFormat = QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat()); - const QSize size = format.frameSize(); +public: - this->imageFormat = imageFormat; - QAbstractVideoSurface::start(format); - QImage image( currentFrame.bits(), currentFrame.width(), currentFrame.height(), currentFrame.bytesPerLine(), imageFormat); - imageCaptured = QPixmap::fromImage(image.copy(image.rect())); + QString getCodec(); + void skipTo(int timeInSeconds); + void readVideoFrame(); + void getScaledVideoFrame(int scaledSize, vFrame& vFrame); -// Now do scaling with regular thumbnail process to make proper size + 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); - mplayer.stop(); - vsurface.stop(); -} + private: + int videoStream; + AVFormatContext *inputVideoFormatContext; + AVCodecContext *inputvideoCodecContext; + AVCodec *inputVideoCodec; + AVStream *inputVideoStream; + AVFrame *inputVideoFrame; + quint8 *inputFrameBuffer; + AVPacket *videoPacket; +#endif // VIDNAIL_H |