/**
* Removes SSRC groups contained ing given <tt>MediaSSRCGroupMap</tt> from this map if they exist.
*
* @param mapToRemove the <tt>MediaSSRCGroupMap</tt> that contains SSRC groups mappings to be
* removed from this instance.
* @return the <tt>MediaSSRCGroupMap</tt> that contains only these SSRC groups which were actually
* removed(existed in this map).
*/
public MediaSSRCGroupMap remove(MediaSSRCGroupMap mapToRemove) {
MediaSSRCGroupMap removedGroups = new MediaSSRCGroupMap();
for (String media : mapToRemove.groupMap.keySet()) {
List<SSRCGroup> groupList = getSSRCGroupsForMedia(media);
List<SSRCGroup> toBeRemoved = new ArrayList<SSRCGroup>();
for (SSRCGroup ssrcGroupToCheck : mapToRemove.groupMap.get(media)) {
for (SSRCGroup ssrcGroup : groupList) {
if (ssrcGroupToCheck.equals(ssrcGroup)) {
toBeRemoved.add(ssrcGroup);
}
}
}
removedGroups.getSSRCGroupsForMedia(media).addAll(toBeRemoved);
groupList.removeAll(toBeRemoved);
}
return removedGroups;
}
