<br><font size=2 face="sans-serif">hello,</font>
<br>
<br><font size=2 face="sans-serif">thanks for your great responce, I have
change my route like this : destination : 255.255.0.0 mask : 255.255.255.0
gateway : 192.168.0.254, my workstation IP is 192.168.0.2.</font>
<br>
<br><font size=2 face="sans-serif">but I have a other probleme, i try to
read the file trasnmit with testMPEG1or2VideoStreamer with vlc , in udp
with the port 1234.</font>
<br>
<br><font size=2 face="sans-serif">I just want use the RTP protocole, and
don't have a serveur RSTP, so I erased the part of code I think is useless
for simple RTP streming, but I must be wrong, because VLC cannot read this
rtp stream, the error :" main private error : cannot prefill buffer"
is in VLC.</font>
<br>
<br><font size=2 face="sans-serif">can you say me if the modified code
is correct ???</font>
<br>
<br><font size=2 face="sans-serif">I am not sure that </font><font size=2 color=blue face="Arial"> Groupsock
rtcpGroupsock(*env, destinationAddress, rtcpPort, ttl) </font><font size=2 face="Arial">is
usefull...</font>
<br>
<br><font size=2 face="sans-serif">there is the code modified : </font>
<br><font size=2 color=blue face="Arial">/**********</font>
<br><font size=2 color=blue face="Arial">This library is free software;
you can redistribute it and/or modify it under</font>
<br><font size=2 color=blue face="Arial">the terms of the GNU Lesser General
Public License as published by the</font>
<br><font size=2 color=blue face="Arial">Free Software Foundation; either
version 2.1 of the License, or (at your</font>
<br><font size=2 color=blue face="Arial">option) any later version. (See
<http://www.gnu.org/copyleft/lesser.html>.)</font>
<br>
<br><font size=2 color=blue face="Arial">This library is distributed in
the hope that it will be useful, but WITHOUT</font>
<br><font size=2 color=blue face="Arial">ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS</font>
<br><font size=2 color=blue face="Arial">FOR A PARTICULAR PURPOSE. See
the GNU Lesser General Public License for</font>
<br><font size=2 color=blue face="Arial">more details.</font>
<br>
<br><font size=2 color=blue face="Arial">You should have received a copy
of the GNU Lesser General Public License</font>
<br><font size=2 color=blue face="Arial">along with this library; if not,
write to the Free Software Foundation, Inc.,</font>
<br><font size=2 color=blue face="Arial">59 Temple Place, Suite 330, Boston,
MA 02111-1307 USA</font>
<br><font size=2 color=blue face="Arial">**********/</font>
<br><font size=2 color=blue face="Arial">// Copyright (c) 1996-2007, Live
Networks, Inc. All rights reserved</font>
<br><font size=2 color=blue face="Arial">// A test program that reads a
MPEG-1 or 2 Video Elementary Stream file,</font>
<br><font size=2 color=blue face="Arial">// and streams it using RTP</font>
<br><font size=2 color=blue face="Arial">// main program</font>
<br>
<br><font size=2 color=blue face="Arial">#include "liveMedia.hh"</font>
<br><font size=2 color=blue face="Arial">#include "BasicUsageEnvironment.hh"</font>
<br><font size=2 color=blue face="Arial">#include "GroupsockHelper.hh"</font>
<br>
<br><font size=2 color=blue face="Arial">// Uncomment the following if
the input file is a MPEG Program Stream</font>
<br><font size=2 color=blue face="Arial">// rather than a MPEG Video Elementary
Stream</font>
<br><font size=2 color=blue face="Arial">#define SOURCE_IS_PROGRAM_STREAM
1</font>
<br>
<br><font size=2 color=blue face="Arial">// To stream using "source-specific
multicast" (SSM), uncomment the following:</font>
<br><font size=2 color=blue face="Arial">//#define USE_SSM 1</font>
<br><font size=2 color=blue face="Arial">#ifdef USE_SSM</font>
<br><font size=2 color=blue face="Arial">Boolean const isSSM = True;</font>
<br><font size=2 color=blue face="Arial">#else</font>
<br><font size=2 color=blue face="Arial">Boolean const isSSM = False;</font>
<br><font size=2 color=blue face="Arial">#endif</font>
<br>
<br>
<br><font size=2 color=blue face="Arial">// To set up an internal RTSP
server, uncomment the following:</font>
<br><font size=2 color=blue face="Arial">//#define IMPLEMENT_RTSP_SERVER
1</font>
<br><font size=2 color=blue face="Arial">// (Note that this RTSP server
works for multicast only)</font>
<br>
<br><font size=2 color=blue face="Arial">// To stream *only* MPEG "I"
frames (e.g., to reduce network bandwidth),</font>
<br><font size=2 color=blue face="Arial">// change the following "False"
to "True":</font>
<br><font size=2 color=blue face="Arial">Boolean iFramesOnly = True;</font>
<br>
<br><font size=2 color=blue face="Arial">UsageEnvironment* env;</font>
<br><font size=2 color=blue face="Arial">char const* inputFileName = "test.mpg";</font>
<br><font size=2 color=blue face="Arial">//char const* inputFileName =
"/dev/video";</font>
<br><font size=2 color=blue face="Arial">#ifdef SOURCE_IS_PROGRAM_STREAM</font>
<br><font size=2 color=blue face="Arial">MPEG1or2Demux* mpegDemux;</font>
<br><font size=2 color=blue face="Arial">#endif</font>
<br><font size=2 color=blue face="Arial">MediaSource* videoSource;</font>
<br><font size=2 color=blue face="Arial">RTPSink* videoSink;</font>
<br>
<br><font size=2 color=blue face="Arial">void play(); // forward</font>
<br>
<br><font size=2 color=blue face="Arial">int main(int argc, char** argv)
{</font>
<br>
<br>
<br><font size=2 color=blue face="Arial"> </font>
<br><font size=2 color=blue face="Arial"> // Begin by setting up
our usage environment:</font>
<br><font size=2 color=blue face="Arial"> TaskScheduler* scheduler
= BasicTaskScheduler::createNew();</font>
<br><font size=2 color=blue face="Arial"> env = BasicUsageEnvironment::createNew(*scheduler);</font>
<br>
<br><font size=2 color=blue face="Arial"> // Create 'groupsocks'
for RTP and RTCP:</font>
<br><font size=2 color=blue face="Arial"> char* destinationAddressStr</font>
<br><font size=2 color=blue face="Arial">#ifdef USE_SSM</font>
<br><font size=2 color=blue face="Arial"> = "192.168.0.1";</font>
<br><font size=2 color=blue face="Arial">#else</font>
<br><font size=2 color=blue face="Arial"> = "192.168.0.1";</font>
<br><font size=2 color=blue face="Arial"> // Note: This is a multicast
address. If you wish to stream using</font>
<br><font size=2 color=blue face="Arial"> // unicast instead, then
replace this string with the unicast address</font>
<br><font size=2 color=blue face="Arial"> // of the (single) destination.
(You may also need to make a similar</font>
<br><font size=2 color=blue face="Arial"> // change to the receiver
program.)</font>
<br><font size=2 color=blue face="Arial">#endif</font>
<br><font size=2 color=blue face="Arial"> const unsigned short rtpPortNum
= 1234;</font>
<br><font size=2 color=blue face="Arial"> // const unsigned short
rtpPortNum = 8888;</font>
<br><font size=2 color=blue face="Arial"> const unsigned short rtcpPortNum
= rtpPortNum+1;</font>
<br><font size=2 color=blue face="Arial"> const unsigned char ttl
= 1; // low, in case routers don't admin scope</font>
<br>
<br><font size=2 color=blue face="Arial"> struct in_addr destinationAddress;</font>
<br><font size=2 color=blue face="Arial"> destinationAddress.s_addr
= our_inet_addr(destinationAddressStr);</font>
<br>
<br><font size=2 color=blue face="Arial"> const Port rtpPort(rtpPortNum);</font>
<br><font size=2 color=blue face="Arial"> const Port rtcpPort(rtcpPortNum);</font>
<br>
<br><font size=2 color=blue face="Arial"> Groupsock rtpGroupsock(*env,
destinationAddress, rtpPort, ttl);</font>
<br><font size=2 color=blue face="Arial"> Groupsock rtcpGroupsock(*env,
destinationAddress, rtcpPort, ttl);</font>
<br>
<br><font size=2 color=blue face="Arial">#ifdef USE_SSM</font>
<br><font size=2 color=blue face="Arial"> rtpGroupsock.multicastSendOnly();</font>
<br><font size=2 color=blue face="Arial"> rtcpGroupsock.multicastSendOnly();</font>
<br><font size=2 color=blue face="Arial">#endif</font>
<br>
<br><font size=2 color=blue face="Arial"> // Create a 'MPEG Video
RTP' sink from the RTP 'groupsock':</font>
<br><font size=2 color=blue face="Arial"> videoSink = MPEG1or2VideoRTPSink::createNew(*env,
&rtpGroupsock);</font>
<br>
<br><font size=2 color=blue face="Arial"> // Create (and start) a
'RTCP instance' for this RTP sink:</font>
<br><font size=2 color=blue face="Arial"> const unsigned estimatedSessionBandwidth
= 4500; // in kbps; for RTCP b/w share</font>
<br><font size=2 color=blue face="Arial"> const unsigned maxCNAMElen
= 100;</font>
<br><font size=2 color=blue face="Arial"> unsigned char CNAME[maxCNAMElen+1];</font>
<br><font size=2 color=blue face="Arial"> gethostname((char*)CNAME,
maxCNAMElen);</font>
<br><font size=2 color=blue face="Arial"> CNAME[maxCNAMElen] = '\0';
// just in case</font>
<br><font size=2 color=blue face="Arial">/*#ifdef IMPLEMENT_RTSP_SERVER</font>
<br><font size=2 color=blue face="Arial"> RTCPInstance* rtcp =</font>
<br><font size=2 color=blue face="Arial">#endif</font>
<br><font size=2 color=blue face="Arial">*/</font>
<br><font size=2 color=blue face="Arial"> RTCPInstance::createNew(*env,
&rtcpGroupsock,</font>
<br><font size=2 color=blue face="Arial">
estimatedSessionBandwidth, CNAME,</font>
<br><font size=2 color=blue face="Arial">
videoSink, NULL /* we're a server */, isSSM);</font>
<br>
<br><font size=2 color=blue face="Arial"> // Finally, start the streaming:</font>
<br><font size=2 color=blue face="Arial"> *env << "Beginning
streaming...\n";</font>
<br><font size=2 color=blue face="Arial"> play();</font>
<br>
<br><font size=2 color=blue face="Arial"> env->taskScheduler().doEventLoop();
// does not return</font>
<br>
<br><font size=2 color=blue face="Arial"> return 0; // only to prevent
compiler warning</font>
<br><font size=2 color=blue face="Arial">}</font>
<br>
<br><font size=2 color=blue face="Arial">void afterPlaying(void* /*clientData*/)
{</font>
<br><font size=2 color=blue face="Arial"> *env << "...done
reading from file\n";</font>
<br>
<br><font size=2 color=blue face="Arial"> Medium::close(videoSource);</font>
<br><font size=2 color=blue face="Arial">#ifdef SOURCE_IS_PROGRAM_STREAM</font>
<br><font size=2 color=blue face="Arial"> Medium::close(mpegDemux);</font>
<br><font size=2 color=blue face="Arial">#endif</font>
<br><font size=2 color=blue face="Arial"> // Note that this also
closes the input file that this source read from.</font>
<br>
<br><font size=2 color=blue face="Arial"> play();</font>
<br><font size=2 color=blue face="Arial">}</font>
<br>
<br><font size=2 color=blue face="Arial">void play() {</font>
<br><font size=2 color=blue face="Arial"> // Open the input file
as a 'byte-stream file source':</font>
<br><font size=2 color=blue face="Arial"> ByteStreamFileSource* fileSource</font>
<br><font size=2 color=blue face="Arial"> = ByteStreamFileSource::createNew(*env,
inputFileName);</font>
<br><font size=2 color=blue face="Arial"> if (fileSource == NULL)
{</font>
<br><font size=2 color=blue face="Arial"> *env << "Unable
to open file \"" << inputFileName</font>
<br><font size=2 color=blue face="Arial"> <<
"\" as a byte-stream file source\n";</font>
<br><font size=2 color=blue face="Arial"> exit(1);</font>
<br><font size=2 color=blue face="Arial"> }</font>
<br><font size=2 color=blue face="Arial"> </font>
<br><font size=2 color=blue face="Arial"> FramedSource* videoES;</font>
<br><font size=2 color=blue face="Arial">#ifdef SOURCE_IS_PROGRAM_STREAM</font>
<br><font size=2 color=blue face="Arial"> // We must demultiplex
a Video Elementary Stream from the input source:</font>
<br><font size=2 color=blue face="Arial"> mpegDemux = MPEG1or2Demux::createNew(*env,
fileSource);</font>
<br><font size=2 color=blue face="Arial"> videoES = mpegDemux->newVideoStream();</font>
<br><font size=2 color=blue face="Arial">#else</font>
<br><font size=2 color=blue face="Arial"> // The input source is
assumed to already be a Video Elementary Stream:</font>
<br><font size=2 color=blue face="Arial"> videoES = fileSource;</font>
<br><font size=2 color=blue face="Arial">#endif</font>
<br>
<br><font size=2 color=blue face="Arial"> // Create a framer for
the Video Elementary Stream:</font>
<br><font size=2 color=blue face="Arial"> videoSource</font>
<br><font size=2 color=blue face="Arial"> = MPEG1or2VideoStreamFramer::createNew(*env,
videoES, iFramesOnly);</font>
<br>
<br><font size=2 color=blue face="Arial"> // Finally, start playing:</font>
<br><font size=2 color=blue face="Arial"> *env << "Beginning
to read from file...\n";</font>
<br><font size=2 color=blue face="Arial"> videoSink->startPlaying(*videoSource,
afterPlaying, videoSink);</font>
<br><font size=2 color=blue face="Arial">}</font>
<br>
<br>
<br><font size=2 face="sans-serif">thanks for you attention.</font>
<br>
<br><font size=2 face="sans-serif">________________________<br>
Julien Savarese
<br>
Apprenti ingénieur.
<br>
Division SIS/DPM/RMS/MIE.<br>
---------------------------------------------<br>
</font>
<br>
<br>
<br>
<table width=100%>
<tr valign=top>
<td width=40%><font size=1 face="sans-serif"><b>Ross Finlayson <finlayson@live555.com></b>
</font>
<br><font size=1 face="sans-serif">Envoyé par : live-devel-bounces@ns.live555.com</font>
<p><font size=1 face="sans-serif">07/05/2008 17:40</font>
<table border>
<tr valign=top>
<td bgcolor=white>
<div align=center><font size=1 face="sans-serif">Veuillez répondre à<br>
LIVE555 Streaming Media - development & use <live-devel@ns.live555.com></font></div></table>
<br>
<td width=59%>
<table width=100%>
<tr valign=top>
<td>
<div align=right><font size=1 face="sans-serif">A</font></div>
<td><font size=1 face="sans-serif">LIVE555 Streaming Media - development
& use <live-devel@ns.live555.com></font>
<tr valign=top>
<td>
<div align=right><font size=1 face="sans-serif">cc</font></div>
<td>
<tr valign=top>
<td>
<div align=right><font size=1 face="sans-serif">Objet</font></div>
<td><font size=1 face="sans-serif">Re: [Live-devel] (no subject)</font></table>
<br>
<table>
<tr valign=top>
<td>
<td></table>
<br></table>
<br>
<br>
<br><font size=2>Unable to determine our source address: This computer
has an invalid IP address: 0x0<br>
Beginning streaming...<br>
Beginning to read from file...<br>
**********************************************************************************<br>
<br>
I don't understand, because my IP adresse is correct, but i'm using
the same computer to stream and receive,</font>
<br>
<br><font size=3>Nonetheless, something is wrong with the networking configuration
of your system, because neither of the methods we use to determine the
computer's IP address - (1) multicast loopback and (2) gethostname()+gethostbyname()
- is working.</font>
<br>
<br><font size=3>The most common reason for this error is that IP multicast
is not configured correctly on your system. Make sure that you have
a route installed for 224/8.</font>
<br><font size=3><tt>-- <br>
</tt></font>
<br><font size=3><br>
Ross Finlayson<br>
Live Networks, Inc.<br>
http://www.live555.com/</font><font size=2><tt>_______________________________________________<br>
live-devel mailing list<br>
live-devel@lists.live555.com<br>
http://lists.live555.com/mailman/listinfo/live-devel<br>
</tt></font>
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