diff --git a/include/osg/ImageStream b/include/osg/ImageStream
index 4257ab7d3..c805e4e43 100644
--- a/include/osg/ImageStream
+++ b/include/osg/ImageStream
@@ -19,6 +19,9 @@
 
 namespace osg {
 
+// forward declare of osg::Texture
+class Texture;
+
 /**
   * Image Stream class.
 */
@@ -98,8 +101,13 @@ class OSG_EXPORT ImageStream : public Image
         void setAudioStreams(const AudioStreams& asl) { _audioStreams = asl; }
         AudioStreams& getAudioStreams() { return _audioStreams; }
         const AudioStreams& getAudioStreams() const { return _audioStreams; }
-
-
+        
+        /** create a suitable texture for this imagestream, return NULL, if not supported
+         *  implement this method in subclasses to use special technologies like CoreVideo
+         *  or similar.
+         */
+        virtual osg::Texture* createSuitableTexture() { return NULL; }
+        
     protected:
         virtual void applyLoopingMode() {}
 
diff --git a/src/osgPlugins/QTKit/OSXCoreVideoTexture.cpp b/src/osgPlugins/QTKit/OSXCoreVideoTexture.cpp
index a97485f31..acb2965fc 100644
--- a/src/osgPlugins/QTKit/OSXCoreVideoTexture.cpp
+++ b/src/osgPlugins/QTKit/OSXCoreVideoTexture.cpp
@@ -138,9 +138,9 @@ void OSXCoreVideoTexture::apply(osg::State& state) const {
         else 
             _adapter = new OSXCoreVideoAdapter(state, _image.get());
     }
+    
     _adapter->getFrame();
     _textureTarget = _adapter->getTextureTarget();
-
     glBindTexture(_textureTarget, _adapter->getTextureName());
 }
 
diff --git a/src/osgPlugins/QTKit/OSXQTKitVideo.h b/src/osgPlugins/QTKit/OSXQTKitVideo.h
index 2cf6ec728..3719e2917 100644
--- a/src/osgPlugins/QTKit/OSXQTKitVideo.h
+++ b/src/osgPlugins/QTKit/OSXQTKitVideo.h
@@ -81,6 +81,10 @@ public:
         return  _waitForFirstFrame || getNeedsDispatching();
     }
     
+    static void initializeQTKit();
+    
+    virtual osg::Texture* createSuitableTexture();
+    
 protected:
     
     virtual void applyLoopingMode();
diff --git a/src/osgPlugins/QTKit/OSXQTKitVideo.mm b/src/osgPlugins/QTKit/OSXQTKitVideo.mm
index 6be2d9539..e5f9ba4a7 100644
--- a/src/osgPlugins/QTKit/OSXQTKitVideo.mm
+++ b/src/osgPlugins/QTKit/OSXQTKitVideo.mm
@@ -19,6 +19,7 @@
 
 #include "OSXQTKitVideo.h"
 #include "OSXCoreVideoAdapter.h"
+#include "OSXCoreVideoTexture.h"
 
 namespace {
 
@@ -88,12 +89,37 @@ struct OSXQTKitVideo::Data {
 };
 
 
+void OSXQTKitVideo::initializeQTKit()
+{
+    static bool inited(false);
+    if (!inited)
+    {
+        inited = true;
+        // force initialization of QTKit on the main-thread!
+        if (![NSThread isMainThread]) {
+            dispatch_apply(1, dispatch_get_main_queue(), ^(size_t n) {
+                EnterMovies();
+                QTMovie* movie = [QTMovie movie];
+                // release missing by intent, gets released by the block!
+            });
+        }
+        else
+        {
+            EnterMovies();
+            QTMovie* movie = [QTMovie movie];
+            [movie release];
+        }
+    }
+}
+
 
 OSXQTKitVideo::OSXQTKitVideo()
     : osgVideo::VideoImageStream()
     , _rate(0.0)
     , _coreVideoAdapter(NULL)
 {
+    initializeQTKit();
+    
     _status = INVALID;
     _data = new Data();
     _data->notificationHandler = [[NotificationHandler alloc] init];
@@ -211,9 +237,9 @@ void OSXQTKitVideo::open(const std::string& file_name)
     
     applyLoopingMode();
     
-     _waitForFirstFrame = true;
+    _waitForFirstFrame = true;
     requestNewFrame(true);
-
+    _fileName = file_name;
     _status = (valid) ? PAUSED : INVALID;
 }
 
@@ -367,4 +393,9 @@ void OSXQTKitVideo::decodeFrame(bool force)
         dirty();
     }
 }
- 
+
+
+osg::Texture* OSXQTKitVideo::createSuitableTexture()
+{
+    return new OSXCoreVideoTexture(this);
+}
diff --git a/src/osgPlugins/QTKit/ReaderWriterQTKit.cpp b/src/osgPlugins/QTKit/ReaderWriterQTKit.cpp
index 6e367a4dd..e1f8553ae 100644
--- a/src/osgPlugins/QTKit/ReaderWriterQTKit.cpp
+++ b/src/osgPlugins/QTKit/ReaderWriterQTKit.cpp
@@ -67,7 +67,7 @@ class ReaderWriterQTKit : public osgDB::ReaderWriter
             
             supportsOption("disableCoreVideo", "disable the usage of coreVideo when using readObjectFile, returns an ImageStream instead");
             supportsOption("disableMultiThreadedFrameDispatching", "disable the usage of the multithreade VideoFrameDispatcher to decode video frames");
-                      
+            
         }
         
     
@@ -94,6 +94,9 @@ class ReaderWriterQTKit : public osgDB::ReaderWriter
                 fileName = osgDB::findDataFile( fileName, options );
                 if (fileName.empty()) return ReadResult::FILE_NOT_FOUND;
             }
+            
+            static OpenThreads::Mutex mutex;
+            OpenThreads::ScopedLock<OpenThreads::Mutex> lock(mutex);
 
             OSG_INFO<<"ReaderWriterQTKit::readImage "<< fileName<< std::endl;
 
diff --git a/src/osgPlugins/avfoundation/OSXAVFoundationVideo.h b/src/osgPlugins/avfoundation/OSXAVFoundationVideo.h
index 24ecec585..d48349c99 100644
--- a/src/osgPlugins/avfoundation/OSXAVFoundationVideo.h
+++ b/src/osgPlugins/avfoundation/OSXAVFoundationVideo.h
@@ -57,6 +57,10 @@ public:
     /// jumps to a specific position 
     virtual void seek(double pos);
     
+    virtual void rewind() {
+        seek(0);
+    }
+    
       
     /// returns the current playing position
     virtual double     getCurrentTime () const;
@@ -91,6 +95,9 @@ public:
     bool isCoreVideoUsed() const { return _useCoreVideo; }
     void lazyInitCoreVideoTextureCache(osg::State& state);
     bool getCurrentCoreVideoTexture(GLenum& target, GLint& name, int& width, int& height) const;
+    
+    virtual osg::Texture* createSuitableTexture();
+
 protected:
    
     virtual bool needsDispatching() const;
diff --git a/src/osgPlugins/avfoundation/OSXAVFoundationVideo.mm b/src/osgPlugins/avfoundation/OSXAVFoundationVideo.mm
index c3d0bbf82..c647ad93c 100644
--- a/src/osgPlugins/avfoundation/OSXAVFoundationVideo.mm
+++ b/src/osgPlugins/avfoundation/OSXAVFoundationVideo.mm
@@ -3,10 +3,12 @@
 #include <osgdB/FileNameUtils>
 #include <osgViewer/api/Cocoa/GraphicsWindowCocoa>
 #include <iostream>
+#include <deque>
 
 #import <AVFoundation/AVFoundation.h>
 #import <Cocoa/Cocoa.h>
 
+#include "OSXAVFoundationCoreVideoTexture.h"
 
 
 namespace {
@@ -99,7 +101,6 @@ private:
 class OSXAVFoundationVideo::Data {
 public:
     AVPlayer* avplayer;
-    AVPlayerItem* avplayeritem;
     AVPlayerItemVideoOutput* output;
     OSXAVFoundationVideoDelegate* delegate;
     std::vector<CVBufferRef> lastFrames;
@@ -108,7 +109,6 @@ public:
     
     Data()
         : avplayer(NULL)
-        , avplayeritem(NULL)
         , output(NULL)
         , delegate(NULL)
         , lastFrames(3)
@@ -117,12 +117,35 @@ public:
         , coreVideoTextureCache(0)
     {
     }
-    ~Data() {
+    
+    void clear()
+    {
+        if (delegate) {
+            [[NSNotificationCenter defaultCenter] removeObserver: delegate
+                name:AVPlayerItemDidPlayToEndTimeNotification
+                object:avplayer.currentItem
+            ];
+            [delegate release];
+        }
+        
+        if (avplayer) {
+            [avplayer cancelPendingPrerolls];
+            [avplayer.currentItem.asset cancelLoading];
+            [avplayer.currentItem removeOutput:output];
+        }
+        
         [output release];
-        [avplayeritem release];
         [avplayer release];
         
-        [delegate release];
+        
+        avplayer = NULL;
+        output = NULL;
+        delegate = NULL;
+    }
+    
+    ~Data() {
+        
+        clear();
         
         for(unsigned int i=0; i< lastFrames.size(); ++i)
         {
@@ -137,10 +160,6 @@ public:
             CVOpenGLTextureCacheRelease(coreVideoTextureCache);
             coreVideoTextureCache = NULL;
         }
-        output = NULL;
-        avplayer = NULL;
-        avplayeritem = NULL;
-        delegate = NULL;
     }
     
     void addFrame(CVBufferRef frame)
@@ -188,12 +207,16 @@ OSXAVFoundationVideo::OSXAVFoundationVideo()
     _data = new Data();
     _status = INVALID;
     setOrigin(TOP_LEFT);
+    
+    // std::cout << " OSXAVFoundationVideo " << this << std::endl;
 }
 
 
 OSXAVFoundationVideo::~OSXAVFoundationVideo()
 {
+    // std::cout << "~OSXAVFoundationVideo " << this << " " << _data->avplayer << std::endl;
     quit();
+    clear();
     if (_data)
         delete _data;
 }
@@ -226,33 +249,21 @@ double OSXAVFoundationVideo::getTimeMultiplier() const
 
 void OSXAVFoundationVideo::pause()
 {
+    setNeedsDispatching(StopUpdate);
+    
+    NSAutoreleasePoolHelper helper;
+
     if (_data->avplayer) {
         [_data->avplayer pause];
         _status = PAUSED;
-        setNeedsDispatching(StopUpdate);
     }
 }
 
 
 void OSXAVFoundationVideo::clear()
 {
-    [_data->output release];
-    [_data->avplayeritem release];
-    [_data->avplayer release];
-    
-    if (_data->delegate) {
-        [[NSNotificationCenter defaultCenter] removeObserver: _data->delegate
-            name:AVPlayerItemDidPlayToEndTimeNotification
-            object:[_data->avplayer currentItem]
-        ];
-    }
-    
-    [_data->delegate release];
-    
-    _data->output = NULL;
-    _data->avplayer = NULL;
-    _data->avplayeritem = NULL;
-    _data->delegate = NULL;
+    if (_data)
+        _data->clear();
 }
 
 
@@ -277,6 +288,8 @@ double OSXAVFoundationVideo::getCurrentTime () const
 
 void OSXAVFoundationVideo::open(const std::string& filename)
 {
+    NSAutoreleasePoolHelper helper;
+    
     clear();
     
     _data->delegate = [[OSXAVFoundationVideoDelegate alloc] init];
@@ -303,21 +316,24 @@ void OSXAVFoundationVideo::open(const std::string& filename)
         _data->output.suppressesPlayerRendering = YES;
     }
     
-    _data->avplayeritem = [[AVPlayerItem alloc] initWithURL: url];
-    _data->avplayer = [AVPlayer playerWithPlayerItem: _data->avplayeritem];
+    _data->avplayer = [AVPlayer playerWithURL: url]; // AVPlayerFactory::instance()->getOrCreate(url);
+    [_data->avplayer retain];
+    
     _data->avplayer.actionAtItemEnd = AVPlayerActionAtItemEndNone;
     
-    [[_data->avplayer currentItem] addOutput:_data->output];
+    [_data->avplayer.currentItem addOutput:_data->output];
+    
     
     [[NSNotificationCenter defaultCenter] addObserver: _data->delegate
         selector:@selector(playerItemDidReachEnd:)
         name:AVPlayerItemDidPlayToEndTimeNotification
-        object:[_data->avplayer currentItem]];
+        object:_data->avplayer.currentItem];
     
-    _videoDuration = CMTimeGetSeconds([[_data->avplayer currentItem] duration]);
+    
+    _videoDuration = CMTimeGetSeconds([_data->avplayer.currentItem duration]);
     
     // get the max size of the video-tracks
-    NSArray* tracks = [_data->avplayeritem.asset tracksWithMediaType: AVMediaTypeVideo];
+    NSArray* tracks = [_data->avplayer.currentItem.asset tracksWithMediaType: AVMediaTypeVideo];
     CGSize size;
     for(unsigned int i=0; i < [tracks count]; ++i)
     {
@@ -329,7 +345,11 @@ void OSXAVFoundationVideo::open(const std::string& filename)
     _s = size.width;
     _t = size.height;
     _r = 1;
+    unsigned char* buffer = (unsigned char*)calloc(_s*_t*4, 1);
+    setImage(_s, _t, 1, GL_RGBA, GL_BGRA, GL_UNSIGNED_BYTE, buffer, USE_MALLOC_FREE);
     
+    _fileName = filename;
+        
     requestNewFrame();
     
     _status = PAUSED;
@@ -344,6 +364,7 @@ float OSXAVFoundationVideo::getVolume() const
 
 void OSXAVFoundationVideo::setVolume(float v)
 {
+    NSAutoreleasePoolHelper helper;
     _volume = v;
     if (_data->avplayer)
         [_data->avplayer setVolume: v];
@@ -511,4 +532,11 @@ void OSXAVFoundationVideo::lazyInitCoreVideoTextureCache(osg::State& state)
         }
     }
 }
+
+
+osg::Texture* OSXAVFoundationVideo::createSuitableTexture()
+{
+    return NULL; // new OSXAVFoundationCoreVideoTexture(this);
+}
+
     
diff --git a/src/osgPlugins/avfoundation/ReaderWriterAVFoundation.cpp b/src/osgPlugins/avfoundation/ReaderWriterAVFoundation.cpp
index 7dc5a36db..0933b7dda 100644
--- a/src/osgPlugins/avfoundation/ReaderWriterAVFoundation.cpp
+++ b/src/osgPlugins/avfoundation/ReaderWriterAVFoundation.cpp
@@ -59,13 +59,16 @@ class ReaderWriterAVFoundation : public osgDB::ReaderWriter
                 fileName = osgDB::findDataFile( fileName, options );
                 if (fileName.empty()) return ReadResult::FILE_NOT_FOUND;
             }
-
+            
+            static OpenThreads::Mutex mutex;
+            OpenThreads::ScopedLock<OpenThreads::Mutex> lock(mutex);
+            
             OSG_INFO<<"ReaderWriterAVFoundation::readImage "<< fileName<< std::endl;
 
             osg::ref_ptr<OSXAVFoundationVideo> video = new OSXAVFoundationVideo();
             
             bool disable_multi_threaded_frame_dispatching = options ? (options->getPluginStringData("disableMultiThreadedFrameDispatching") == "true") : false;
-            bool disable_core_video                       = true; // options ? (options->getPluginStringData("disableCoreVideo") == "true") : false;
+            bool disable_core_video                       = options ? (options->getPluginStringData("disableCoreVideo") == "true") : false;
             OSG_INFO << "disableMultiThreadedFrameDispatching: " << disable_multi_threaded_frame_dispatching << std::endl;
             OSG_INFO << "disableCoreVideo                    : " << disable_core_video << std::endl;
             
diff --git a/src/osgPlugins/imageio/ReaderWriterImageIO.cpp b/src/osgPlugins/imageio/ReaderWriterImageIO.cpp
index fd9a686fe..fe4025547 100644
--- a/src/osgPlugins/imageio/ReaderWriterImageIO.cpp
+++ b/src/osgPlugins/imageio/ReaderWriterImageIO.cpp
@@ -336,6 +336,7 @@ osg::Image* CreateOSGImageFromCGImage(CGImageRef image_ref)
         //
         case 16:
         case 32:
+        case 64:
         {
 
             internal_format = GL_RGBA8;
diff --git a/src/osgPresentation/SlideShowConstructor.cpp b/src/osgPresentation/SlideShowConstructor.cpp
index cdb91cbd4..f58387742 100644
--- a/src/osgPresentation/SlideShowConstructor.cpp
+++ b/src/osgPresentation/SlideShowConstructor.cpp
@@ -59,6 +59,7 @@
 using namespace osgPresentation;
 
 #define USE_CLIENT_STORAGE_HINT 0
+#define USE_TEXTURE_FROM_VIDEO_PLUGIN 1
 
 class SetToTransparentBin : public osg::NodeVisitor
 {
@@ -770,7 +771,7 @@ void SlideShowConstructor::findImageStreamsAndAddCallbacks(osg::Node* node)
 osg::Geometry* SlideShowConstructor::createTexturedQuadGeometry(const osg::Vec3& pos, const osg::Vec4& rotation, float width, float height, osg::Image* image, bool& usedTextureRectangle)
 {
     osg::Geometry* pictureQuad = 0;
-    osg::Texture* texture = 0;
+    osg::ref_ptr<osg::Texture> texture = 0;
     osg::StateSet* stateset = 0;
 
     osg::Vec3 positionVec = pos;
@@ -782,7 +783,15 @@ osg::Geometry* SlideShowConstructor::createTexturedQuadGeometry(const osg::Vec3&
     heightVec = heightVec*rotationMatrix;
 
     osg::ImageStream* imageStream = dynamic_cast<osg::ImageStream*>(image);
-
+    
+    // let the video-plugin create a texture for us, if supported
+    #if USE_TEXTURE_FROM_VIDEO_PLUGIN
+    if(imageStream)
+    {
+        texture = imageStream->createSuitableTexture();
+    }
+    #endif
+    
     bool flipYAxis = image->getOrigin()==osg::Image::TOP_LEFT;
 
 #if 1
@@ -798,50 +807,47 @@ osg::Geometry* SlideShowConstructor::createTexturedQuadGeometry(const osg::Vec3&
     // pass back info on wether texture 2D is used.
     usedTextureRectangle = useTextureRectangle;
 
-    if (useTextureRectangle)
+    if (!texture)
     {
-        pictureQuad = osg::createTexturedQuadGeometry(positionVec,
-                                           widthVec,
-                                           heightVec,
-                                           0.0f, flipYAxis ? image->t() : 0.0f,
-                                           image->s(), flipYAxis ? 0.0f : image->t());
-
-        stateset = pictureQuad->getOrCreateStateSet();
-
-        texture = new osg::TextureRectangle(image);
-        stateset->setTextureAttributeAndModes(0,
-                    texture,
-                    osg::StateAttribute::ON);
-
-
+        if (useTextureRectangle)
+        {
+            texture = new osg::TextureRectangle(image);
+        }
+        else
+        {
+            texture = new osg::Texture2D(image);
 
+            texture->setResizeNonPowerOfTwoHint(false);
+            texture->setFilter(osg::Texture::MIN_FILTER,osg::Texture::LINEAR);
+            texture->setFilter(osg::Texture::MAG_FILTER,osg::Texture::LINEAR);
+    #if USE_CLIENT_STORAGE_HINT        
+            texture->setClientStorageHint(true);
+    #endif
+            
+        }
     }
-    else
+    if (texture)
     {
+        float t(0), l(0);
+        float r = (texture->getTextureTarget() == GL_TEXTURE_RECTANGLE) ? image->s() : 1;
+        float b = (texture->getTextureTarget() == GL_TEXTURE_RECTANGLE) ? image->t() : 1;
+        
+        if (flipYAxis)
+            std::swap(t,b);
+        
         pictureQuad = osg::createTexturedQuadGeometry(positionVec,
-                                           widthVec,
-                                           heightVec,
-                                           0.0f, flipYAxis ? 1.0f : 0.0f,
-                                           1.0f, flipYAxis ? 0.0f : 1.0f);
-
+                                               widthVec,
+                                               heightVec,
+                                               l, t, r, b);
+        
         stateset = pictureQuad->getOrCreateStateSet();
-
-        texture = new osg::Texture2D(image);
-
-        texture->setResizeNonPowerOfTwoHint(false);
-        texture->setFilter(osg::Texture::MIN_FILTER,osg::Texture::LINEAR);
-        texture->setFilter(osg::Texture::MAG_FILTER,osg::Texture::LINEAR);
-#if USE_CLIENT_STORAGE_HINT        
-        texture->setClientStorageHint(true);
-#endif
         stateset->setTextureAttributeAndModes(0,
-                    texture,
-                    osg::StateAttribute::ON);
-
+                        texture,
+                        osg::StateAttribute::ON);
     }
-
+    
     if (!pictureQuad) return 0;
-
+    
     if (imageStream)
     {
         imageStream->pause();