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/desktop-utils/lumina-fm/Browser.cpp | 62 ++++++++++++++++++++++++-----
 1 file changed, 51 insertions(+), 11 deletions(-)

(limited to 'src-qt5/desktop-utils/lumina-fm/Browser.cpp')

diff --git a/src-qt5/desktop-utils/lumina-fm/Browser.cpp b/src-qt5/desktop-utils/lumina-fm/Browser.cpp
index f2bdc178..e57b6aed 100644
--- a/src-qt5/desktop-utils/lumina-fm/Browser.cpp
+++ b/src-qt5/desktop-utils/lumina-fm/Browser.cpp
@@ -16,10 +16,13 @@
 Browser::Browser(QObject *parent) : QObject(parent){
   watcher = new QFileSystemWatcher(this);
   connect(watcher, SIGNAL(fileChanged(const QString&)), this, SLOT(fileChanged(QString)) );
- connect(watcher, SIGNAL(directoryChanged(const QString&)), this, SLOT(dirChanged(QString)) );
+  connect(watcher, SIGNAL(directoryChanged(const QString&)), this, SLOT(dirChanged(QString)) );
   showHidden = false;
   showThumbs = false;
   imageFormats = LUtils::imageExtensions(false); //lowercase suffixes
+  videoFormats = LUtils::videoExtensions(); //lowercase suffixes
+  //connect(surface, SIGNAL(frameReceived(QImage)), this, SLOT(captureFrame(QImage)));
+  //connect(player, &QMediaPlayer::mediaStatusChanged, this, [&]{ stopVideo(player, player->mediaStatus()); });
   connect(this, SIGNAL(threadDone(QString, QImage)), this, SLOT(futureFinished(QString, QImage))); //will always be between different threads
 }
 
@@ -60,12 +63,11 @@ void Browser::loadItem(QString info, Browser *obj){
       file.close();
       pix.loadFromData(bytes);
       if(pix.width() > 256 || pix.height() > 256 ){
-        pix = pix.scaled(256,256, Qt::KeepAspectRatio, Qt::SmoothTransformation);
+        pix = pix.scaled(256,256, Qt::KeepAspectRatio);
       }
     }
   }
-
-  //qDebug() << " - done with item:" << info;
+  qDebug() << " - done with item:" << info;
   obj->emit threadDone(info, pix);
 }
 
@@ -92,22 +94,60 @@ void Browser::dirChanged(QString dir){
   else if(dir.startsWith(currentDir)){ QtConcurrent::run(this, &Browser::loadItem, dir, this ); }
 }
 
+/*void Browser::stopVideo(QMediaPlayer *player, QMediaPlayer::MediaStatus status) {
+  qDebug() << status;
+  if(status == QMediaPlayer::BufferedMedia) {
+    qDebug() << "stoppingVideo" << player << player->currentMedia().canonicalUrl();
+    player->setPosition(player->duration() / 2);
+    player->pause();
+  }
+}
+
+void Browser::captureFrame(QImage pix) {
+  qDebug() << "grabbing frame";
+  videoFrame = pix.scaledToHeight(64);
+  emit frameChanged();
+}*/
+
 void Browser::futureFinished(QString name, QImage icon){
   //Note: this will be called once for every item that loads
      QIcon ico;
-     //LFileInfo info(name);
      LFileInfo *info = new LFileInfo(name);
       if(!icon.isNull() && showThumbs){
-        //qDebug() << " -- Data:";
         QPixmap pix = QPixmap::fromImage(icon);
         ico.addPixmap(pix);
-       //}else if(info->isDir()){
-        //qDebug() << " -- Folder:";
-        //ico = loadIcon("folder");
       }
       if(ico.isNull()){
-	//qDebug() << " -- MimeType:" << info.fileName() << info.mimetype();
-        ico = loadIcon(info->iconfile());
+        if(videoFormats.contains(name.section(".",-1).toLower())) {
+          qDebug() << "Loading Video for" << name;
+          qDebug() << "VIDEO" << info;
+          //qDebug() << obj << this << QThread::currentThread();
+          QMediaPlayer *player = new QMediaPlayer(0, QMediaPlayer::VideoSurface);
+          qDebug() << " - created player";
+          LVideoSurface *surface = new LVideoSurface();
+          qDebug() << " - Create objects";
+          //connect(surface, SIGNAL(frameReceived(QImage)), this, SLOT(captureFrame(QImage)));
+          //connect(player, &QMediaPlayer::mediaStatusChanged, this, [&]{ stopVideo(player, player->mediaStatus()); });
+          player->setVideoOutput(surface);
+          player->setVolume(0);
+          player->setMedia(QUrl("file://"+info->absoluteFilePath()));
+          player->play();
+          qDebug() << "Wait for buffer";
+          while(player->mediaStatus()!=QMediaPlayer::BufferedMedia){
+            QCoreApplication::processEvents();
+          }
+          player->pause();
+          player->setPosition(player->duration()/2);
+          while(!surface->frameReady()) {
+            QCoreApplication::processEvents();
+          }
+          qDebug() << "Load Frame";
+          ico.addPixmap(QPixmap::fromImage(surface->currentFrame()));
+          delete player;
+          delete surface;
+        }else {
+          ico = loadIcon(info->iconfile());
+        }
       }
       this->emit itemDataAvailable( ico, info);
      //qDebug() << " -- done:" << name;
-- 
cgit