Added experimental video thumbnails in lumina-fm and fileinfo

3 files changed, 61 insertions, 0 deletions

diff --git a/src-qt5/core/libLumina/LVideoSurface.cpp b/src-qt5/core/libLumina/LVideoSurface.cpp
new file mode 100644
index 00000000..6adec5d2
--- /dev/null
+++ b/src-qt5/core/libLumina/LVideoSurface.cpp
@@ -0,0 +1,32 @@
+#include "LVideoSurface.h"
+#include <QDebug>
+
+LVideoSurface::LVideoSurface() : QAbstractVideoSurface() {
+  recording = 0;
+  frameImage = QImage();
+}
+
+QImage LVideoSurface::currentFrame() {
+  return frameImage;
+}
+
+bool LVideoSurface::present(const QVideoFrame &frame) {
+  if(frame.isValid()) {
+    qDebug() << "Recording Frame" << frame.pixelFormat();
+    QVideoFrame icon(frame);
+    icon.map(QAbstractVideoBuffer::ReadOnly);
+    frameImage = QImage(icon.bits(), icon.width(), icon.height(), icon.bytesPerLine(), QImage::Format_ARGB32_Premultiplied);
+    icon.unmap();
+    emit frameReceived(frameImage);
+    if(recording++ == 2) ready = true;
+    return true;
+  }
+  ready = false;
+  return false;
+}
+
+QList<QVideoFrame::PixelFormat> LVideoSurface::supportedPixelFormats(QAbstractVideoBuffer::HandleType type = QAbstractVideoBuffer::NoHandle) const {
+  Q_UNUSED(type);
+  return QList<QVideoFrame::PixelFormat>() << QVideoFrame::Format_ARGB32 << QVideoFrame::Format_RGB32 << QVideoFrame::Format_RGB24
+         << QVideoFrame::Format_RGB565 << QVideoFrame::Format_RGB555 << QVideoFrame::Format_BGRA32 << QVideoFrame::Format_BGR32;
+}
diff --git a/src-qt5/core/libLumina/LVideoSurface.h b/src-qt5/core/libLumina/LVideoSurface.h
new file mode 100644
index 00000000..adb4611d
--- /dev/null
+++ b/src-qt5/core/libLumina/LVideoSurface.h
@@ -0,0 +1,20 @@
+#include <QAbstractVideoSurface>
+#include <QVideoSurfaceFormat>
+#include <QDebug>
+
+class LVideoSurface : public QAbstractVideoSurface {
+  Q_OBJECT
+
+  public:
+    LVideoSurface();
+    virtual bool present(const QVideoFrame&);
+    virtual QList<QVideoFrame::PixelFormat> supportedPixelFormats(QAbstractVideoBuffer::HandleType) const;
+    QImage currentFrame();
+    bool frameReady();
+  signals:
+    void frameReceived(QImage);
+  private:
+    int recording;
+    QImage frameImage;
+    bool ready;
+};
diff --git a/src-qt5/core/libLumina/LVideoSurface.pri b/src-qt5/core/libLumina/LVideoSurface.pri
new file mode 100644
index 00000000..469b8c93
--- /dev/null
+++ b/src-qt5/core/libLumina/LVideoSurface.pri
@@ -0,0 +1,9 @@
+QT *= multimedia
+
+HEADERS *= $${PWD}/LVideoSurface.h
+SOURCES *= $${PWD}/LVideoSurface.cpp
+
+INCLUDEPATH *= ${PWD}
+
+#Now the other dependendies of it
+#include(LUtils.pri)