From 711b219a001d0c4fdd61367903696fa1c6ff1a3d Mon Sep 17 00:00:00 2001
From: ZackaryWelch <welch.zackary@gmail.com>
Date: Tue, 3 Oct 2017 15:24:26 -0400
Subject: Added experimental video thumbnails in lumina-fm and fileinfo

---
 src-qt5/core/libLumina/LVideoSurface.cpp | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 src-qt5/core/libLumina/LVideoSurface.cpp

(limited to 'src-qt5/core/libLumina/LVideoSurface.cpp')

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;
+}
-- 
cgit 


From 3005f7ab6b19cabf423b85ec7c3845d840c7cb18 Mon Sep 17 00:00:00 2001
From: ZackaryWelch <welch.zackary@gmail.com>
Date: Tue, 3 Oct 2017 18:36:51 -0400
Subject: Reworked the VideoSurface subclass

---
 src-qt5/core/libLumina/LVideoSurface.cpp | 46 +++++++++++++++++++++++++-------
 1 file changed, 36 insertions(+), 10 deletions(-)

(limited to 'src-qt5/core/libLumina/LVideoSurface.cpp')

diff --git a/src-qt5/core/libLumina/LVideoSurface.cpp b/src-qt5/core/libLumina/LVideoSurface.cpp
index 6adec5d2..895a3a32 100644
--- a/src-qt5/core/libLumina/LVideoSurface.cpp
+++ b/src-qt5/core/libLumina/LVideoSurface.cpp
@@ -1,27 +1,29 @@
 #include "LVideoSurface.h"
 #include <QDebug>
 
-LVideoSurface::LVideoSurface() : QAbstractVideoSurface() {
-  recording = 0;
-  frameImage = QImage();
-}
-
-QImage LVideoSurface::currentFrame() {
-  return frameImage;
+LVideoSurface::LVideoSurface(QObject *parent) : QAbstractVideoSurface(parent) {
+  frameImage = QPixmap();
 }
 
 bool LVideoSurface::present(const QVideoFrame &frame) {
+  if(!frameImage.isNull()) {
+    emit frameReceived(frameImage);
+    return true;
+  }
+
   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);
+    QImage img(icon.bits(), icon.width(), icon.height(), icon.bytesPerLine(), QVideoFrame::imageFormatFromPixelFormat(frame.pixelFormat()));
+    
+    if(frameImage.isNull())
+      frameImage = QPixmap::fromImage(img.copy(img.rect()));
+
     icon.unmap();
     emit frameReceived(frameImage);
-    if(recording++ == 2) ready = true;
     return true;
   }
-  ready = false;
   return false;
 }
 
@@ -30,3 +32,27 @@ QList<QVideoFrame::PixelFormat> LVideoSurface::supportedPixelFormats(QAbstractVi
   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;
 }
+
+/*bool VideoSurface::isFormatSupported(const QVideoSurfaceFormat &format) const {
+  const QImage::Format imageFormat = QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat());
+  const QSize size = format.frameSize();
+
+  return imageFormat != QImage::Format_Invalid && !size.isEmpty() && format.handleType() == QAbstractVideoBuffer::NoHandle;
+}
+
+void VideoSurface::stop() {
+  QAbstractVideoSurface::stop();
+}
+
+bool VideoSurface::start(const QVideoSurfaceFormat &format) {
+  const QImage::Format imageFormat = QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat());
+  const QSize size = format.frameSize();
+
+  if (imageFormat != QImage::Format_Invalid && !size.isEmpty()) {
+      this->imageFormat = imageFormat;
+      QAbstractVideoSurface::start(format);
+      return true;
+  } else {
+      return false;
+  }
+}*/
-- 
cgit