/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you under the Apache License, Version 2.0 (the | |
* "License") + you may not use this file except in compliance | |
* with the License. You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, | |
* software distributed under the License is distributed on an | |
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
* KIND, either express or implied. See the License for the | |
* specific language governing permissions and limitations | |
* under the License. | |
*/ | |
package org.openmeetings.app.data.flvrecord.listener.async; | |
import java.io.IOException; | |
import java.util.Date; | |
import org.apache.mina.core.buffer.IoBuffer; | |
import org.openmeetings.app.OpenmeetingsVariables; | |
import org.openmeetings.app.data.flvrecord.FlvRecordingMetaDataDaoImpl; | |
import org.openmeetings.app.persistence.beans.flvrecord.FlvRecordingMetaData; | |
import org.red5.io.ITag; | |
import org.red5.io.flv.impl.Tag; | |
import org.red5.logging.Red5LoggerFactory; | |
import org.red5.server.api.scope.IScope; | |
import org.slf4j.Logger; | |
public class StreamVideoWriter extends BaseStreamWriter { | |
private int startTimeStamp = -1; | |
private Date startedSessionScreenTimeDate = null; | |
private long initialDelta = 0; | |
private final FlvRecordingMetaDataDaoImpl flvRecordingMetaDataDao; | |
private static final Logger log = Red5LoggerFactory.getLogger( | |
StreamVideoWriter.class, OpenmeetingsVariables.webAppRootKey); | |
public StreamVideoWriter(String streamName, IScope scope, | |
Long flvRecordingMetaDataId, boolean isScreenData, | |
boolean isInterview, | |
FlvRecordingMetaDataDaoImpl flvRecordingMetaDataDao) { | |
super(streamName, scope, flvRecordingMetaDataId, isScreenData); | |
this.flvRecordingMetaDataDao = flvRecordingMetaDataDao; | |
FlvRecordingMetaData flvRecordingMetaData = flvRecordingMetaDataDao. | |
getFlvRecordingMetaDataById(flvRecordingMetaDataId); | |
flvRecordingMetaData.setStreamReaderThreadComplete(false); | |
flvRecordingMetaDataDao.updateFlvRecordingMetaData(flvRecordingMetaData); | |
} | |
@Override | |
public void packetReceived(CachedEvent streampacket) { | |
try { | |
// We only are concerned about video at this moment | |
// if (streampacket.getDataType() == 9) { | |
int timeStamp = streampacket.getTimestamp(); | |
Date virtualTime = streampacket.getCurrentTime(); | |
if (this.startedSessionScreenTimeDate == null) { | |
this.startedSessionScreenTimeDate = virtualTime; | |
// Calculate the delta between the initial start and the first | |
// packet data | |
this.initialDelta = this.startedSessionScreenTimeDate.getTime() | |
- this.startedSessionTimeDate.getTime(); | |
// This is important for the Interview Post Processing to get | |
// the time between starting the stream and the actual Access to | |
// the | |
// webcam by the Flash Security Dialog | |
flvRecordingMetaDataDao.updateFlvRecordingMetaDataInitialGap( | |
flvRecordingMetaDataId, this.initialDelta); | |
} | |
if (streampacket.getTimestamp() <= 0) { | |
log.warn("Negative TimeStamp"); | |
return; | |
} | |
IoBuffer data = streampacket.getData().asReadOnlyBuffer(); | |
if (data.limit() == 0) { | |
return; | |
} | |
if (startTimeStamp == -1) { | |
// That will be not bigger then long value | |
startTimeStamp = streampacket.getTimestamp(); | |
} | |
timeStamp -= startTimeStamp; | |
ITag tag = new Tag(); | |
tag.setDataType(streampacket.getDataType()); | |
// log.debug("data.limit() :: "+data.limit()); | |
tag.setBodySize(data.limit()); | |
tag.setTimestamp(timeStamp); | |
tag.setBody(data); | |
// if (this.isInterview) { | |
// if (timeStamp <= 500) { | |
// // We will cut the first 0.5 seconds | |
// // The First seconds seem to break the Recording Video often | |
// return; | |
// } | |
// } | |
writer.writeTag(tag); | |
} catch (IOException e) { | |
log.error("[packetReceived]", e); | |
} catch (Exception e) { | |
log.error("[packetReceived]", e); | |
} | |
} | |
@Override | |
public void closeStream() { | |
try { | |
writer.close(); | |
// Add Delta in the beginning, this Delta is the Gap between the | |
// device chosen and when the User hits the button in the Flash | |
// Security Warning | |
FlvRecordingMetaData flvRecordingMetaData = flvRecordingMetaDataDao | |
.getFlvRecordingMetaDataById(this.flvRecordingMetaDataId); | |
flvRecordingMetaData.setRecordStart(new Date( | |
flvRecordingMetaData.getRecordStart().getTime() | |
+ this.initialDelta)); | |
flvRecordingMetaData.setStreamReaderThreadComplete(true); | |
flvRecordingMetaDataDao | |
.updateFlvRecordingMetaData(flvRecordingMetaData); | |
} catch (Exception err) { | |
log.error("[closeStream]", err); | |
} | |
} | |
} |