/*
 * Copyright @ 2015 Atlassian Pty Ltd
 *
 * 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.jitsi.util.function;

import net.sf.fmj.media.rtp.*;
import org.jitsi.service.neomedia.*;

import java.util.function.*;

/**
 * A <tt>Function</tt> that produces <tt>RawPacket</tt>s from
 * <tt>RTCPCompoundPacket</tt>s.
 *
 * @author George Politis
 */
public class RTCPGenerator
    implements Function<RTCPCompoundPacket, RawPacket>
{
    @Override
    public RawPacket apply(RTCPCompoundPacket in)
    {
        if (in == null)
        {
            return null;
        }

        // Assemble the RTP packet.
        int len = in.calcLength();

        // TODO We need to be able to re-use original RawPacket buffer.
        in.assemble(len, false);

        byte[] buf = in.data;

        return new RawPacket(buf, 0, len);
    }
}
