Sophie

Sophie

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libccrtp0.7-0.7.2-1mdk.i586.rpm

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<hr><h1>audio.h</h1>
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<div class="fragment"><pre><font class="comment">// Common header for audiorx/audiotx. </font>
<font class="comment">// A simple and amusing application for testing basic features of ccRTP.</font>
<font class="comment">// Copyright (C) 2001  Federico Montesino &lt;p5087@quintero.fie.us.es&gt;</font>
<font class="comment">//  </font>
<font class="comment">// This program is free software; you can redistribute it and/or modify</font>
<font class="comment">// it under the terms of the GNU General Public License as published by</font>
<font class="comment">// the Free Software Foundation; either version 2 of the License, or</font>
<font class="comment">// (at your option) any later version.</font>
<font class="comment">//  </font>
<font class="comment">// This program is distributed in the hope that it will be useful,</font>
<font class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</font>
<font class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</font>
<font class="comment">// GNU General Public License for more details.</font>
<font class="comment">//  </font>
<font class="comment">// You should have received a copy of the GNU General Public License</font>
<font class="comment">// along with this program; if not, write to the Free Software</font>
<font class="comment">// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA</font>

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


<font class="comment">// UDP/RTP ports </font>
<font class="keyword">const</font> <font class="keywordtype">int</font> RECEIVER_BASE = 22222;
<font class="keyword">const</font> <font class="keywordtype">int</font> TRANSMITTER_BASE = 33334;

<font class="comment">// We will sample at 8 Khz using \mu-law encoding</font>
<font class="keyword">const</font> <font class="keywordtype">int</font> SAMPLING_RATE = 8000;

<font class="comment">// Transmission interval between consecutive packets.  </font>
<font class="comment">// Ideally, the interval should be 20 milliseconds</font>
<font class="keyword">const</font> <font class="keywordtype">int</font> PERIOD = 20;

<font class="comment">// Packets are 8000*20/1000 = 160 octects long. </font>
<font class="keyword">const</font> <font class="keywordtype">int</font> PACKET_SIZE=SAMPLING_RATE*PERIOD/1000;




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