Examples with RtpPacket local.net.RtpPacket used on opensource projects

Example 6 with RtpPacket

use of local.net.RtpPacket in project bigbluebutton by bigbluebutton.

the class RtpStreamSender method run.

/** Runs it in a new Thread. */
public void run() {
    if (rtp_socket == null || input_stream == null)
        return;
    //else
    byte[] buffer = new byte[frame_size + 12];
    RtpPacket rtp_packet = new RtpPacket(buffer, 0);
    rtp_packet.setPayloadType(p_type);
    int seqn = 0;
    long time = 0;
    //long start_time=System.currentTimeMillis();
    long byte_rate = frame_rate * frame_size;
    running = true;
    if (DEBUG)
        println("Reading blocks of " + (buffer.length - 12) + " bytes");
    try {
        while (running) {
            //if (DEBUG) System.out.print("o");
            int num = input_stream.read(buffer, 12, buffer.length - 12);
            //if (DEBUG) System.out.print("*");
            if (num > 0) {
                rtp_packet.setSequenceNumber(seqn++);
                rtp_packet.setTimestamp(time);
                rtp_packet.setPayloadLength(num);
                rtp_socket.send(rtp_packet);
                // update rtp timestamp (in milliseconds)
                long frame_time = (num * 1000) / byte_rate;
                time += frame_time;
                // wait fo next departure
                if (do_sync) {
                    // wait before next departure..
                    //long frame_time=start_time+time-System.currentTimeMillis();
                    // accellerate in order to compensate possible program latency.. ;)
                    frame_time -= sync_adj;
                    try {
                        Thread.sleep(frame_time);
                    } catch (Exception e) {
                    }
                }
            } else if (num < 0) {
                running = false;
                if (DEBUG)
                    println("Error reading from InputStream");
            }
        }
    } catch (Exception e) {
        running = false;
        e.printStackTrace();
    }
    //if (DEBUG) println("rtp time:  "+time);
    //if (DEBUG) println("real time: "+(System.currentTimeMillis()-start_time));
    // close RtpSocket and local DatagramSocket
    DatagramSocket socket = rtp_socket.getDatagramSocket();
    rtp_socket.close();
    if (socket_is_local && socket != null)
        socket.close();
    // free all
    input_stream = null;
    rtp_socket = null;
    if (DEBUG)
        println("rtp sender terminated");
}