- Enable again muting support for video DataSource;

- Add getLocator() method to Push|PullDataSourceDelegate (otherwise MutePush|PullDataSource classes return null and we cannot check if locator is QT/Desktop streaming to disable local video);
- Disable local video for desktop streaming.

src/net/java/sip/communicator/impl/neomedia/device/ImageStreamingAuto.java

@@ -27,7 +27,7 @@ public ImageStreamingAuto() throws Exception
     {
         String name = "Desktop streaming";
         CaptureDeviceInfo devInfo = new CaptureDeviceInfo(name, 
-            new MediaLocator(ImageStreamingUtils.LOCATOR_PREFIX + name),
+            new MediaLocator(ImageStreamingUtils.LOCATOR_PREFIX + ":" + name),
             DataSource.getFormats());
             
         /* add to JMF device manager */

src/net/java/sip/communicator/impl/neomedia/device/VideoMediaDeviceSession.java

@@ -12,6 +12,8 @@
 import javax.media.protocol.*;
 
 import net.java.sip.communicator.impl.neomedia.*;
+import net.java.sip.communicator.impl.neomedia.protocol.*;
+import net.java.sip.communicator.impl.neomedia.imgstreaming.*;
 import net.java.sip.communicator.service.neomedia.*;
 import net.java.sip.communicator.service.neomedia.event.*;
 import net.java.sip.communicator.util.*;
@@ -90,23 +92,22 @@ protected DataSource createCaptureDevice()
          * Create our DataSource as SourceCloneable so we can use it to both
          * display local video and stream to remote peer.
          */
-        /*
-         * FIXME By overriding the super implementation, we have disabled muting
-         * support.
-         */
-        DataSource captureDevice = getDevice().createOutputDataSource();
+        DataSource captureDevice = super.createCaptureDevice();
 
         if (captureDevice != null)
         {
             MediaLocator locator = captureDevice.getLocator();
-
+            
             /*
              * FIXME There is no video in calls when using the QuickTime/QTKit
-             * CaptureDevice so the local video support is disabled for it now.
+             * CaptureDevice and desktop streaming, so the local video support 
+             * is disabled for them now.
              */
             if ((locator == null)
-                    || !QuickTimeAuto.LOCATOR_PROTOCOL
-                            .equals(locator.getProtocol()))
+                    || (!QuickTimeAuto.LOCATOR_PROTOCOL
+                            .equals(locator.getProtocol()) &&
+                        !ImageStreamingUtils.LOCATOR_PREFIX
+                            .equals(locator.getProtocol())))
             {
                 DataSource cloneableDataSource
                     = Manager.createCloneableDataSource(captureDevice);

src/net/java/sip/communicator/impl/neomedia/imgstreaming/ImageStreamingUtils.java

@@ -19,7 +19,7 @@ public class ImageStreamingUtils
     /**
      * The locator prefix used when creating or parsing <tt>MediaLocator</tt>s.
      */
-    public static final String LOCATOR_PREFIX = "imgstreaming:";
+    public static final String LOCATOR_PREFIX = "imgstreaming";
 
     /**
      * Get a scaled <tt>BufferedImage</tt>.

src/net/java/sip/communicator/impl/neomedia/protocol/PullBufferDataSourceDelegate.java

@@ -96,6 +96,19 @@ public String getContentType()
         return dataSource.getContentType();
     }
 
+    /**
+     * Implements {@link DataSource#getLocator()}. Delegates to the wrapped
+     * <tt>DataSource</tt>. 
+     *
+     * @return a <tt>MediaLocator</tt> value which describes the locator of the
+     * wrapped <tt>DataSource</tt>
+     */
+    @Override
+    public MediaLocator getLocator()
+    {
+        return dataSource.getLocator();
+    }
+
     /**
      * Implements {@link DataSource#getControl(String)}. Delegates to the
      * wrapped <tt>DataSource</tt>. Overrides

src/net/java/sip/communicator/impl/neomedia/protocol/PushBufferDataSourceDelegate.java

@@ -96,6 +96,19 @@ public String getContentType()
         return dataSource.getContentType();
     }
 
+    /**
+     * Implements {@link DataSource#getLocator()}. Delegates to the wrapped
+     * <tt>DataSource</tt>. 
+     *
+     * @return a <tt>MediaLocator</tt> value which describes the locator of the
+     * wrapped <tt>DataSource</tt>
+     */
+    @Override
+    public MediaLocator getLocator()
+    {
+        return dataSource.getLocator();
+    }
+
     /**
      * Implements {@link DataSource#getControl(String)}. Delegates to the
      * wrapped <tt>DataSource</tt>. Overrides