Adds SSRCInfoPacketExtension used to signal SSRC owner in jitsi-meet.

src/net/java/sip/communicator/impl/protocol/jabber/extensions/colibri/SourcePacketExtension.java

@@ -10,6 +10,9 @@
 
 import net.java.sip.communicator.impl.protocol.jabber.extensions.*;
 import net.java.sip.communicator.impl.protocol.jabber.extensions.jingle.*;
+import net.java.sip.communicator.util.*;
+
+import org.jivesoftware.smack.packet.*;
 
 /**
  * Implements <tt>AbstractPacketExtension</tt> for the <tt>source</tt> element
@@ -22,6 +25,9 @@
 public class SourcePacketExtension
     extends AbstractPacketExtension
 {
+    private final static Logger logger
+        = Logger.getLogger(SourcePacketExtension.class);
+
     /**
      * The XML name of the <tt>setup</tt> element defined by Source-Specific
      * Media Attributes in Jingle.
@@ -118,13 +124,18 @@ public SourcePacketExtension copy()
             = AbstractPacketExtension.clone(this);
 
         // COPY SSRC PARAMS
-        for (ParameterPacketExtension ppe : getParameters())
+        for (PacketExtension ppe : getChildExtensions())
         {
-            ParameterPacketExtension ppeCopy
-                = new ParameterPacketExtension(
-                ppe.getName(), ppe.getValue());
-
-            copy.addParameter(ppeCopy);
+            if (ppe instanceof AbstractPacketExtension)
+            {
+                copy.addChildExtension(
+                    AbstractPacketExtension.clone(
+                        (AbstractPacketExtension) ppe));
+            }
+            else
+            {
+                logger.error("Failed to clone " + ppe);
+            }
         }
 
         return copy;

src/net/java/sip/communicator/impl/protocol/jabber/extensions/jingle/JingleIQProvider.java

@@ -191,6 +191,13 @@ public JingleIQProvider()
                 IceUdpTransportPacketExtension.NAMESPACE,
                 new DefaultPacketExtensionProvider<RtcpmuxPacketExtension>(
                         RtcpmuxPacketExtension.class));
+
+        //ssrcInfo
+        providerManager.addExtensionProvider(
+                SSRCInfoPacketExtension.ELEMENT_NAME,
+                SSRCInfoPacketExtension.NAMESPACE,
+                new DefaultPacketExtensionProvider<SSRCInfoPacketExtension>(
+                        SSRCInfoPacketExtension.class));
     }
 
     /**

src/net/java/sip/communicator/impl/protocol/jabber/extensions/jitsimeet/SSRCInfoPacketExtension.java

@@ -0,0 +1,106 @@
+/*
+ * Jitsi, the OpenSource Java VoIP and Instant Messaging client.
+ *
+ * Distributable under LGPL license.
+ * See terms of license at gnu.org.
+ */
+package net.java.sip.communicator.impl.protocol.jabber.extensions.jitsimeet;
+
+import net.java.sip.communicator.impl.protocol.jabber.extensions.*;
+import net.java.sip.communicator.impl.protocol.jabber.extensions.colibri.*;
+
+import java.lang.*;
+
+/**
+ * Packet extension is used to signal owner of media SSRC in jitsi-meet. Owner
+ * attribute stores MUC JID of the user to whom it belongs. This extension is
+ * inserted as a child of {@link SourcePacketExtension} in 'session-initiate',
+ * 'source-add' and 'source-remove' Jingle IQs sent by the focus(Jicofo).
+ *
+ * @author Pawel Domas
+ */
+public class SSRCInfoPacketExtension
+    extends AbstractPacketExtension
+{
+    /**
+     * XML namespace of this packets extension.
+     */
+    public static final java.lang.String NAMESPACE = "http://jitsi.org/jitmeet";
+
+    /**
+     * XML element name of this packets extension.
+     */
+    public static final String ELEMENT_NAME = "ssrc-info";
+
+    /**
+     * Attribute stores owner JID of parent {@link SourcePacketExtension}.
+     */
+    public static final String OWNER_ATTR_NAME = "owner";
+
+    /**
+     * Attribute stores the type of video SSRC. Can be
+     * {@link #CAMERA_VIDEO_TYPE} or {@link #SCREEN_VIDEO_TYPE}.
+     */
+    public static final String VIDEO_TYPE_ATTR_NAME = "video-type";
+
+    /**
+     * Camera video type constant. Inidcates that the user is sending his camera
+     * video.
+     */
+    public static final String CAMERA_VIDEO_TYPE = "camera";
+
+    /**
+     * Screen video type constant. Indicates that the user is sharing his
+     * screen.
+     */
+    public static final String SCREEN_VIDEO_TYPE = "screen";
+
+    /**
+     * Creates new instance of <tt>SSRCInfoPacketExtension</tt>.
+     */
+    public SSRCInfoPacketExtension()
+    {
+        super(NAMESPACE, ELEMENT_NAME);
+    }
+
+    /**
+     * Returns the value of {@link #OWNER_ATTR_NAME}.
+     *
+     * @return MUC JID of SSRC owner stored by this instance or <tt>null</tt>
+     *         if empty.
+     */
+    public String getOwner()
+    {
+        return getAttributeAsString(OWNER_ATTR_NAME);
+    }
+
+    /**
+     * Sets the value of {@link #OWNER_ATTR_NAME}.
+     *
+     * @param owner MUC JID of SSRC owner to be stored in this packet extension.
+     */
+    public void setOwner(String owner)
+    {
+        setAttribute(OWNER_ATTR_NAME, owner);
+    }
+
+    /**
+     * Returns the value of {@link #VIDEO_TYPE_ATTR_NAME}.
+     * @return {@link #CAMERA_VIDEO_TYPE}, {@link #SCREEN_VIDEO_TYPE} or
+     *         <tt>null</tt> if not specified or if media SSRC is not a video.
+     */
+    public String getVideoType()
+    {
+        return getAttributeAsString(VIDEO_TYPE_ATTR_NAME);
+    }
+
+    /**
+     * Sets the type of video SSRC.
+     * @param videoType {@link #CAMERA_VIDEO_TYPE}, {@link #SCREEN_VIDEO_TYPE}
+     *        or <tt>null</tt> if not specified or if media SSRC is not a video.
+     */
+    public void setVideoType(String videoType)
+    {
+        setAttribute(VIDEO_TYPE_ATTR_NAME, videoType);
+    }
+}