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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.message;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
/**
* RTMP packet header
*/
public class Header implements Constants, Cloneable, Externalizable {
private static final long serialVersionUID = 8982665579411495024L;
public enum HeaderType {
HEADER_NEW, HEADER_SAME_SOURCE, HEADER_TIMER_CHANGE, HEADER_CONTINUE;
}
/**
* Channel
*/
private int channelId;
/**
* Timer
*/
private int timerBase;
/**
* Delta
*/
private int timerDelta;
/**
* Header size
*/
private int size;
/**
* Type of data
*/
private byte dataType;
/**
* Stream id
*/
private Number streamId = 0.0d;
/**
* Extended Timestamp
*/
private int extendedTimestamp;
/**
* Getter for channel id
*
* @return Channel id
*/
public int getChannelId() {
return channelId;
}
/**
* Setter for channel id
*
* @param channelId
* Header channel id
*/
public void setChannelId(int channelId) {
this.channelId = channelId;
}
/**
* Getter for data type
*
* @return Data type
*/
public byte getDataType() {
return dataType;
}
/**
* Setter for data type
*
* @param dataType
* Data type
*/
public void setDataType(byte dataType) {
this.dataType = dataType;
}
/**
* Getter for size.
*
* @return Header size
*/
public int getSize() {
return size;
}
/**
* Setter for size
*
* @param size
* Header size
*/
public void setSize(int size) {
this.size = size;
}
/**
* Getter for stream id
*
* @return Stream id
*/
public Number getStreamId() {
return streamId;
}
/**
* Setter for stream id
*
* @param streamId
* Stream id
*/
public void setStreamId(Number streamId) {
this.streamId = streamId;
}
/**
* Getter for Extended Timestamp
*
* @return Extended Timestamp
*/
public int getExtendedTimestamp() {
return extendedTimestamp;
}
/**
* Setter for Extended Timestamp
*
* @param extendedTimestamp
* Extended Timestamp
*/
public void setExtendedTimestamp(int extendedTimestamp) {
this.extendedTimestamp = extendedTimestamp;
}
/**
* Getter for timer
*
* @return Timer
*/
public int getTimer() {
return timerBase + timerDelta;
}
/**
* Setter for timer
*
* @param timer
* Timer
*/
public void setTimer(int timer) {
this.timerBase = timer;
this.timerDelta = 0;
}
public void setTimerDelta(int timerDelta) {
this.timerDelta = timerDelta;
}
public int getTimerDelta() {
return timerDelta;
}
public void setTimerBase(int timerBase) {
this.timerBase = timerBase;
}
public int getTimerBase() {
return timerBase;
}
public boolean isEmpty() {
return !((channelId + dataType + size + streamId.doubleValue()) > 0d);
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + channelId;
result = prime * result + dataType;
result = prime * result + size;
result = prime * result + streamId.intValue();
result = prime * result + getTimer();
result = prime * result + extendedTimestamp;
return result;
}
/** {@inheritDoc} */
@Override
public boolean equals(Object other) {
if (!(other instanceof Header)) {
return false;
}
final Header header = (Header) other;
return (header.getChannelId() == channelId && header.getDataType() == dataType && header.getSize() == size && header.getTimer() == this.getTimer() && header.getStreamId() == streamId && header.getExtendedTimestamp() == extendedTimestamp);
}
/** {@inheritDoc} */
@Override
public Header clone() {
final Header header = new Header();
header.setChannelId(channelId);
header.setTimerBase(timerBase);
header.setTimerDelta(timerDelta);
header.setSize(size);
header.setDataType(dataType);
header.setStreamId(streamId);
header.setExtendedTimestamp(extendedTimestamp);
return header;
}
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
dataType = in.readByte();
channelId = in.readInt();
size = in.readInt();
streamId = (Number) in.readDouble();
timerBase = in.readInt();
timerDelta = in.readInt();
extendedTimestamp = in.readInt();
}
public void writeExternal(ObjectOutput out) throws IOException {
out.writeByte(dataType);
out.writeInt(channelId);
out.writeInt(size);
out.writeDouble(streamId.doubleValue());
out.writeInt(timerBase);
out.writeInt(timerDelta);
out.writeInt(extendedTimestamp);
}
/* (non-Javadoc)
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
// if its new and props are un-set, just return that message
if (isEmpty()) {
return "empty";
} else {
return "Header [streamId=" + streamId + ", channelId=" + channelId + ", dataType=" + dataType + ", timerBase=" + timerBase + ", timerDelta=" + timerDelta + ", size=" + size + ", extendedTimestamp=" + extendedTimestamp + "]";
}
}
}