/*
* (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.platedetector;
import com.kurento.kmf.content.ContentCommand;
import com.kurento.kmf.content.ContentCommandResult;
import com.kurento.kmf.content.ContentEvent;
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.PlateDetectorFilter;
import com.kurento.kmf.media.WebRtcEndpoint;
import com.kurento.kmf.media.events.MediaEventListener;
import com.kurento.kmf.media.events.PlateDetectedEvent;
import com.kurento.kmf.media.factory.MediaPipelineFactory;
/**
* Plate Detector demo.
*
* @author David Fernández (d.fernandezlop@gmail.com)
* @since 4.2.3
*/
@WebRtcContentService(path = "/plateDetectorDemo/*")
public class PlateDetectorDemo extends WebRtcContentHandler {
public MediaPipeline mediaPipeline;
public WebRtcEndpoint webRtcEndpoint;
public PlateDetectorFilter plateDetector;
@Override
public void onContentRequest(final WebRtcContentSession contentSession)
throws Exception {
MediaPipelineFactory mpf = contentSession.getMediaPipelineFactory();
mediaPipeline = mpf.create();
contentSession.releaseOnTerminate(mediaPipeline);
webRtcEndpoint = mediaPipeline.newWebRtcEndpoint().build();
plateDetector = mediaPipeline.newPlateDetectorFilter().build();
webRtcEndpoint.connect(plateDetector);
plateDetector.connect(webRtcEndpoint);
contentSession.start(webRtcEndpoint);
contentSession.setAttribute("eventValue", "");
plateDetector
.addPlateDetectedListener(new MediaEventListener<PlateDetectedEvent>() {
@Override
public void onEvent(PlateDetectedEvent event) {
if (contentSession.getAttribute("eventValue")
.toString().equals(event.getPlate())) {
return;
}
contentSession.setAttribute("eventValue",
event.getPlate());
contentSession.publishEvent(new ContentEvent(event
.getType(), event.getPlate()));
}
});
}
@Override
public ContentCommandResult onContentCommand(
WebRtcContentSession contentSession, ContentCommand contentCommand)
throws Exception {
if ("changeWidth".equalsIgnoreCase(contentCommand.getType())) {
plateDetector.setPlateWidthPercentage(Float
.parseFloat(contentCommand.getData()));
}
return new ContentCommandResult(contentCommand.getData());
}
}