add libav video thumbnail code back to project

2 files changed, 74 insertions, 0 deletions

diff --git a/src-qt5/desktop-utils/lumina-fm/widgets/vidnail.cpp b/src-qt5/desktop-utils/lumina-fm/widgets/vidnail.cpp
new file mode 100644
index 00000000..ee76a8dc
--- /dev/null
+++ b/src-qt5/desktop-utils/lumina-fm/widgets/vidnail.cpp
@@ -0,0 +1,61 @@
+#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 goto(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
diff --git a/src-qt5/desktop-utils/lumina-fm/widgets/vidnail.h b/src-qt5/desktop-utils/lumina-fm/widgets/vidnail.h
new file mode 100644
index 00000000..e13894e1
--- /dev/null
+++ b/src-qt5/desktop-utils/lumina-fm/widgets/vidnail.h
@@ -0,0 +1,13 @@
+//===========================================
+//  Lumina-DE source code
+//  Copyright (c) 2017, q5sys
+//  Available under the 3-clause BSD license
+//  See the LICENSE file for full details
+//===========================================
+#include "vidnail.h"
+
+VidNail::VidNail(QObject *parent) : QObject(parent){
+}
+
+VidNail::~VidNail(){
+}