/*
* (C) Copyright 2014 Kurento (http://kurento.org/)
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public License
* (LGPL) version 2.1 which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl-2.1.html
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
*/
package com.kurento.demo.webrtc;
import com.kurento.kmf.content.WebRtcContentHandler;
import com.kurento.kmf.content.WebRtcContentService;
import com.kurento.kmf.content.WebRtcContentSession;
import com.kurento.kmf.media.MediaPipeline;
import com.kurento.kmf.media.RecorderEndpoint;
import com.kurento.kmf.media.WebRtcEndpoint;
/**
* This handler implements a one to many video conference using WebRtcEnpoints;
* the first session acts as "master", and the rest of concurrent sessions will
* watch the "master" session in his remote stream; master's remote is a
* loopback at the beginning, and it is changing with the stream of the each
* participant in the conference.
*
* @author Boni Garcia (bgarcia@gsyc.es)
* @since 3.0.7
*/
@WebRtcContentService(path = "/webRtcOneToMany/*")
public class WebRtcOneToMany extends WebRtcContentHandler {
private WebRtcEndpoint firstWebRtcEndpoint;
private String sessionId;
@Override
public synchronized void onContentRequest(
WebRtcContentSession contentSession) throws Exception {
String contentId = contentSession.getContentId();
if (firstWebRtcEndpoint == null) {
MediaPipeline mp = contentSession.getMediaPipelineFactory()
.create();
contentSession.releaseOnTerminate(mp);
firstWebRtcEndpoint = mp.newWebRtcEndpoint().build();
sessionId = contentSession.getSessionId();
contentSession.releaseOnTerminate(firstWebRtcEndpoint);
firstWebRtcEndpoint.connect(firstWebRtcEndpoint);
if (contentId != null && contentId.equalsIgnoreCase("record")) {
RecorderEndpoint recorderEndPoint = mp.newRecorderEndpoint(
"file:///tmp/master").build();
contentSession.setAttribute("recorder", recorderEndPoint);
firstWebRtcEndpoint.connect(recorderEndPoint);
}
contentSession.start(firstWebRtcEndpoint);
} else {
MediaPipeline mp = firstWebRtcEndpoint.getMediaPipeline();
WebRtcEndpoint newWebRtcEndpoint = mp.newWebRtcEndpoint().build();
contentSession.releaseOnTerminate(newWebRtcEndpoint);
newWebRtcEndpoint.connect(firstWebRtcEndpoint);
firstWebRtcEndpoint.connect(newWebRtcEndpoint);
if (contentId != null && contentId.equalsIgnoreCase("record")) {
RecorderEndpoint recorderEndPoint = mp.newRecorderEndpoint(
"file:///tmp/peer").build();
contentSession.setAttribute("recorder", recorderEndPoint);
newWebRtcEndpoint.connect(recorderEndPoint);
}
contentSession.start(newWebRtcEndpoint);
}
}
@Override
public void onContentStarted(WebRtcContentSession contentSession) {
RecorderEndpoint recorderEndPoint = (RecorderEndpoint) contentSession
.getAttribute("recorder");
if (recorderEndPoint != null) {
recorderEndPoint.record();
}
}
@Override
public void onSessionTerminated(WebRtcContentSession contentSession,
int code, String reason) throws Exception {
if (contentSession.getSessionId().equals(sessionId)) {
getLogger().info("Terminating first WebRTC session");
firstWebRtcEndpoint = null;
}
super.onSessionTerminated(contentSession, code, reason);
}
}