From a3092fb02a1905345e1311b2e64f4796acdb9f34 Mon Sep 17 00:00:00 2001
From: q5sys <jt@ixsystems.com>
Date: Sun, 24 Sep 2017 19:58:16 -0400
Subject: rework video thumbnail code

---
 .../desktop-utils/lumina-fm/widgets/vidnail.cpp    | 33 ++++++++++++++++++++++
 src-qt5/desktop-utils/lumina-fm/widgets/vidnail.h  | 25 ++++++++++++++++
 2 files changed, 58 insertions(+)
 create mode 100644 src-qt5/desktop-utils/lumina-fm/widgets/vidnail.cpp
 create mode 100644 src-qt5/desktop-utils/lumina-fm/widgets/vidnail.h

(limited to 'src-qt5/desktop-utils')

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..ee7fb9e3
--- /dev/null
+++ b/src-qt5/desktop-utils/lumina-fm/widgets/vidnail.cpp
@@ -0,0 +1,33 @@
+#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
+}
+
+vidnail::~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();
+
+  currentFrame = frame;
+  const QImage::Format imageFormat = QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat());
+  const QSize size = format.frameSize();
+
+  this->imageFormat = imageFormat;
+  QAbstractVideoSurface::start(format);
+  QImage image( currentFrame.bits(), currentFrame.width(), currentFrame.height(), currentFrame.bytesPerLine(), imageFormat);
+  imageCaptured = QPixmap::fromImage(image.copy(image.rect()));
+
+// Now do scaling with regular thumbnail process to make proper size
+
+  mplayer.stop();
+  vsurface.stop();
+}
+
+
+
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..ad565749
--- /dev/null
+++ b/src-qt5/desktop-utils/lumina-fm/widgets/vidnail.h
@@ -0,0 +1,25 @@
+#ifndef VIDNAIL_H
+#define VIDNAIL_H
+
+#include <QMediaPlayer>
+#include <QtMultimediaWidgets>
+#include "videowidgetsurface.h"
+#include <QPixmap>
+#include <QAbstractVideoSurface>
+#include <QImage>
+#include <QRect>
+#include <QVideoFrame>
+
+public:
+
+  void grabvideothumbnail();
+
+private:
+
+  QAbstractVideoSurface *vsurface;
+  QImage::Format imageFormat;
+  QPixmap imageCaptured;
+
+
+#endif // VIDNAIL_H
+
-- 
cgit