# audio.h

    // Common header for audiorx/audiotx.
    // A simple and amusing application for testing basic features of ccRTP.
    // Copyright (C) 2001,2002  Federico Montesino <fedemp@altern.org>
    //
    // This program is free software; you can redistribute it and/or modify
    // it under the terms of the GNU General Public License as published by
    // the Free Software Foundation; either version 2 of the License, or
    // (at your option) any later version.
    //
    // This program is distributed in the hope that it will be useful,
    // but WITHOUT ANY WARRANTY; without even the implied warranty of
    // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    // GNU General Public License for more details.
    //
    // You should have received a copy of the GNU General Public License
    // along with this program; if not, write to the Free Software
    // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    // audiorx and audiotx are, respectively, the transmitter and receiver of
    // a simple application for testing ccRTP with audio. It aims to
    // transmit/receive \mu-law encoded audio on RTP packets.

    // UDP/RTP ports
    const int RECEIVER_BASE = 22222;
    const int TRANSMITTER_BASE = 33334;

    // We will sample at 8 Khz using \mu-law encoding
    const int SAMPLING_RATE = 8000;

    // Transmission interval between consecutive packets.
    // Ideally, the interval should be 20 milliseconds
    const int PERIOD = 20;

    // Packets are 8000*20/1000 = 160 octects long.
    const int PACKET_SIZE=SAMPLING_RATE*PERIOD/1000;