Fix various exceptions (no display, no device set), Fix 80 lines.

src/net/java/sip/communicator/impl/neomedia/MediaServiceImpl.java

@@ -484,6 +484,18 @@ public ZrtpControl createZrtpControl()
      */
     public java.awt.Dimension getScreenSize()
     {
-        return java.awt.Toolkit.getDefaultToolkit().getScreenSize();
+        java.awt.Dimension res = null;
+
+        try
+        {
+            res = java.awt.Toolkit.getDefaultToolkit().getScreenSize();
+            res = null;
+        }
+        catch(NoClassDefFoundError e)
+        {
+            return null;
+        }
+        
+        return res;
     }
 }

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

@@ -188,7 +188,9 @@ protected void setFormat(Processor processor, Format format)
          */
         if(outputSize != null)
         {
-            newFormat = new VideoFormat(tmp.getEncoding(), outputSize, tmp.getMaxDataLength(), tmp.getDataType(), tmp.getFrameRate());
+            newFormat = new VideoFormat(tmp.getEncoding(), outputSize, 
+                    tmp.getMaxDataLength(), tmp.getDataType(), 
+                    tmp.getFrameRate());
         }
 
         super.setFormat(processor, newFormat != null ? newFormat : format);

src/net/java/sip/communicator/impl/protocol/sip/CallPeerMediaHandler.java

@@ -375,7 +375,8 @@ public void setLocalVideoTransmissionEnabled(boolean enabled)
         
         newValue = videoDirectionUserPreference;
 
-        firePropertyChange(OperationSetVideoTelephony.LOCAL_VIDEO_STREAMING, oldValue, newValue);
+        firePropertyChange(OperationSetVideoTelephony.LOCAL_VIDEO_STREAMING, 
+                oldValue, newValue);
     }
 
     /**
@@ -831,14 +832,19 @@ private MediaStream initStream(StreamConnector      connector,
         else
         {
             stream = this.videoStream;
-            Dimension deviceSize = ((VideoMediaFormat)device.getFormat()).getSize();
 
-            if((deviceSize != null && maxRecvSize != null) && 
-                    (maxRecvSize.width > 0 && maxRecvSize.height > 0) &&
-                    (deviceSize.width > maxRecvSize.width || 
-                    deviceSize.height > maxRecvSize.height))
+            if(device != null && device.getFormat() != null)
             {
-                size = maxRecvSize;
+                Dimension deviceSize = ((VideoMediaFormat)device.getFormat())
+                    .getSize();
+
+                if((deviceSize != null && maxRecvSize != null) && 
+                        (maxRecvSize.width > 0 && maxRecvSize.height > 0) &&
+                        (deviceSize.width > maxRecvSize.width || 
+                        deviceSize.height > maxRecvSize.height))
+                {
+                    size = maxRecvSize;
+                }
             }
         }
 
@@ -1433,7 +1439,8 @@ private void processAnswer(SessionDescription answer)
                 = devDirection.getDirectionForAnswer(remoteDirection);
 
             /* extract remote peer maximum supported resolution */
-            Dimension res[] = SdpUtils.extractSendRecvResolution(mediaDescription);
+            Dimension res[] = SdpUtils.extractSendRecvResolution(
+                    mediaDescription);
             if(res != null)
             {
                 maxSendSize = res[0];

src/net/java/sip/communicator/impl/protocol/sip/sdp/SdpUtils.java

@@ -325,8 +325,10 @@ public static java.awt.Dimension[] extractSendRecvResolution(
         int len = 0;
         Pattern pSendSingle = Pattern.compile("send \\[x=[0-9]+,y=[0-9]+\\]");
         Pattern pRecvSingle = Pattern.compile("recv \\[x=[0-9]+,y=[0-9]+\\]");
-        Pattern pSendRange = Pattern.compile("send \\[x=\\[[0-9]+-[0-9]+\\],y=\\[[0-9]+-[0-9]+\\]\\]");
-        Pattern pRecvRange = Pattern.compile("recv \\[x=\\[[0-9]+-[0-9]+\\],y=\\[[0-9]+-[0-9]+\\]\\]");
+        Pattern pSendRange = Pattern.compile(
+                "send \\[x=\\[[0-9]+-[0-9]+\\],y=\\[[0-9]+-[0-9]+\\]\\]");
+        Pattern pRecvRange = Pattern.compile(
+                "recv \\[x=\\[[0-9]+-[0-9]+\\],y=\\[[0-9]+-[0-9]+\\]\\]");
         Pattern pNumeric = Pattern.compile("[0-9]+");
         Matcher mSingle = null; 
         Matcher mRange = null;
@@ -1356,7 +1358,8 @@ public static MediaDescription createMediaDescription(
              * basically peer can send any size and can 
              * receive image size up to its display screen size
              */
-            java.awt.Dimension screen = SipActivator.getMediaService().getScreenSize();
+            java.awt.Dimension screen = SipActivator.getMediaService().
+                getScreenSize();
             Attribute imgattr = createImageAttribute((byte)0, vformat, screen);
             mediaAttributes.add(imgattr);
         }
@@ -1494,11 +1497,22 @@ else if(MediaDirection.SENDRECV.equals(direction))
      * @param maxRecvSize maximum size peer can display
      * @return image <tt>Attribute</tt>
      */
-    private static Attribute createImageAttribute(byte payloadType, VideoMediaFormat format, java.awt.Dimension maxRecvSize)
+    private static Attribute createImageAttribute(byte payloadType, 
+            VideoMediaFormat format, java.awt.Dimension maxRecvSize)
     {
         StringBuffer img = new StringBuffer("imageattr:");
-        java.awt.Dimension maxSendSize = format.getMaximumSize();
-        java.awt.Dimension minSendSize = format.getMinimumSize();
+        java.awt.Dimension maxSendSize = null;
+        java.awt.Dimension minSendSize = null;
+
+        if(format != null)
+        {
+            minSendSize = format.getMinimumSize();
+            maxSendSize = format.getMaximumSize();
+        }
+        else
+        {
+            maxSendSize = null;
+        }
 
         if(payloadType != 0)
         {