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Ant Media Server supports RTMP, RTSP, MP4, HLS, WebRTC, Adaptive Streaming, etc.
/*
* RED5 Open Source Media Server - https://github.com/Red5/
*
* Copyright 2006-2016 by respective authors (see below). All rights reserved.
*
* Licensed 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.red5.server.net.rtmp.event;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.concurrent.atomic.AtomicInteger;
import org.red5.server.api.event.IEventListener;
import org.red5.server.net.rtmp.message.Constants;
import org.red5.server.net.rtmp.message.Header;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Base abstract class for all RTMP events
*/
public abstract class BaseEvent implements Constants, IRTMPEvent, Externalizable {
protected Logger log = LoggerFactory.getLogger(getClass());
// XXX we need a better way to inject allocation debugging
// (1) make it configurable in xml
// (2) make it aspect oriented
private static final boolean allocationDebugging = false;
/**
* Event type
*/
private Type type;
/**
* Source type
*/
private byte sourceType;
/**
* Event target object
*/
protected Object object;
/**
* Event listener
*/
protected IEventListener source;
/**
* Event timestamp
*/
protected int timestamp;
/**
* Event RTMP packet header
*/
protected Header header = null;
/**
* Event references count
*/
protected AtomicInteger refcount = new AtomicInteger(1);
public BaseEvent() {
// set a default type
this(Type.SERVER, null);
}
/**
* Create new event of given type
*
* @param type
* Event type
*/
public BaseEvent(Type type) {
this(type, null);
}
/**
* Create new event of given type
*
* @param type
* Event type
* @param source
* Event source
*/
public BaseEvent(Type type, IEventListener source) {
this.type = type;
this.source = source;
if (allocationDebugging) {
AllocationDebugger.getInstance().create(this);
}
}
/** {@inheritDoc} */
public Type getType() {
return type;
}
public void setType(Type type) {
this.type = type;
}
public byte getSourceType() {
return sourceType;
}
public void setSourceType(byte sourceType) {
this.sourceType = sourceType;
}
/** {@inheritDoc} */
public Object getObject() {
return object;
}
/** {@inheritDoc} */
public Header getHeader() {
return header;
}
/** {@inheritDoc} */
public void setHeader(Header header) {
this.header = header;
}
/** {@inheritDoc} */
public boolean hasSource() {
return source != null;
}
/** {@inheritDoc} */
public IEventListener getSource() {
return source;
}
/** {@inheritDoc} */
public void setSource(IEventListener source) {
this.source = source;
}
/** {@inheritDoc} */
public abstract byte getDataType();
/** {@inheritDoc} */
public int getTimestamp() {
return timestamp;
}
/** {@inheritDoc} */
public void setTimestamp(int timestamp) {
this.timestamp = timestamp;
}
/** {@inheritDoc} */
@SuppressWarnings("all")
public void retain() {
if (allocationDebugging) {
AllocationDebugger.getInstance().retain(this);
}
final int baseCount = refcount.getAndIncrement();
if (allocationDebugging && baseCount < 1) {
throw new RuntimeException("attempt to retain object with invalid ref count");
}
}
/** {@inheritDoc} */
@SuppressWarnings("all")
public void release() {
if (allocationDebugging) {
AllocationDebugger.getInstance().release(this);
}
final int baseCount = refcount.decrementAndGet();
if (baseCount == 0) {
releaseInternal();
} else if (allocationDebugging && baseCount < 0) {
throw new RuntimeException("attempt to retain object with invalid ref count");
}
}
/**
* Release event
*/
protected abstract void releaseInternal();
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
type = (Type) in.readObject();
sourceType = in.readByte();
timestamp = in.readInt();
if (log.isTraceEnabled()) {
log.trace("readExternal - type: {} sourceType: {} timestamp: {}", type, sourceType, timestamp);
}
}
public void writeExternal(ObjectOutput out) throws IOException {
if (log.isTraceEnabled()) {
log.trace("writeExternal - type: {} sourceType: {} timestamp: {}", type, sourceType, timestamp);
}
out.writeObject(type);
out.writeByte(sourceType);
out.writeInt(timestamp);
}
}