io.pkts.packet.rtp.RtpVersion Maven / Gradle / Ivy
package io.pkts.packet.rtp;
/*
* Copyright 2010 Bruno de Carvalho
*
* 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.
*/
/**
* @author Bruno de Carvalho
*/
public enum RtpVersion {
// constants ------------------------------------------------------------------------------------------------------
V2((byte) 0x80), V1((byte) 0x40), V0((byte) 0x00);
// internal vars --------------------------------------------------------------------------------------------------
private final byte b;
// constructors ---------------------------------------------------------------------------------------------------
private RtpVersion(final byte b) {
this.b = b;
}
// public static methods ------------------------------------------------------------------------------------------
public static RtpVersion fromByte(final byte b) throws IllegalArgumentException {
final byte tmp = (byte) (b & 0xc0);
// Starts from version 2, which is the most common.
for (final RtpVersion version : values()) {
if (version.getByte() == tmp) {
return version;
}
}
throw new IllegalArgumentException("Unknown version for byte: " + b);
}
// getters & setters ----------------------------------------------------------------------------------------------
public byte getByte() {
return this.b;
}
}