/**
* Adds a specific (RTP) SSRC to the list of SSRCs seen/received on this <tt>Channel</tt>.
* Invoked by the Jitsi Videobridge server, not its clients.
*
* @param ssrc the (RTP) SSRC to be added to the list of SSRCs seen/received on this
* <tt>Channel</tt>
* @return <tt>true</tt> if the list of SSRCs seen/received on this <tt>Channel</tt> has been
* modified as part of the method call; otherwise, <tt>false</tt>
*/
public synchronized boolean addSSRC(int ssrc) {
// contains
for (int i = 0; i < ssrcs.length; i++) if (ssrcs[i] == ssrc) return false;
// add
int[] newSSRCs = new int[ssrcs.length + 1];
System.arraycopy(ssrcs, 0, newSSRCs, 0, ssrcs.length);
newSSRCs[ssrcs.length] = ssrc;
ssrcs = newSSRCs;
return true;
}
/**
* Removes a specific (RTP) SSRC from the list of SSRCs seen/received on this <tt>Channel</tt>.
* Invoked by the Jitsi Videobridge server, not its clients.
*
* @param ssrc the (RTP) SSRC to be removed from the list of SSRCs seen/received on this
* <tt>Channel</tt>
* @return <tt>true</tt> if the list of SSRCs seen/received on this <tt>Channel</tt> has been
* modified as part of the method call; otherwise, <tt>false</tt>
*/
public synchronized boolean removeSSRC(int ssrc) {
if (ssrcs.length == 1) {
if (ssrcs[0] == ssrc) {
ssrcs = NO_SSRCS;
return true;
} else return false;
} else {
for (int i = 0; i < ssrcs.length; i++) {
if (ssrcs[i] == ssrc) {
int[] newSSRCs = new int[ssrcs.length - 1];
if (i != 0) System.arraycopy(ssrcs, 0, newSSRCs, 0, i);
if (i != newSSRCs.length) {
System.arraycopy(ssrcs, i + 1, newSSRCs, i, newSSRCs.length - i);
}
ssrcs = newSSRCs;
return true;
}
}
return false;
}
}