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I understand and I would if I could. However, because we are
embedding the player in our software we need to reuse the players as
much as possible to avoid issues with resource allocation (we are
embedding VLC in a Java application). Unfortunately I can only set
the client port when the medial player is created not when the media
file is played. Once the client port is set and the media player
created then it cannot be used with SDP sources. That being said, I
think I understand what is happening.<br>
<br>
In the live555.cpp source in the SessionsSetup( demux_t *p_demux )
function, the code sends a setup command if we are using RTSP:<br>
<br>
<tt> /* Issue the SETUP */</tt><tt><br>
</tt><tt> if( p_sys->rtsp )</tt><tt><br>
</tt><tt> {</tt><tt><br>
</tt><tt> p_sys->rtsp->sendSetupCommand( *sub,
default_live555_callback, False,</tt><tt><br>
</tt><tt> toBool(
b_rtsp_tcp ),</tt><tt><br>
</tt><tt> toBool(
p_sys->b_force_mcast && !b_rtsp_tcp ) );</tt><tt><br>
</tt><tt> if( !wait_Live555_response( p_demux ) )</tt><tt><br>
</tt><br>
However, the client port is set before this code and after the SDP
is parsed:<br>
<br>
<tt> if( i_client_port != -1 )</tt><tt><br>
</tt><tt> {</tt><tt><br>
</tt><tt> sub->setClientPortNum( i_client_port );</tt><tt><br>
</tt><tt> i_client_port += 2;</tt><tt><br>
</tt><tt> }</tt><tt><br>
</tt><br>
It seems to me that the setting of the client port should only be
done if we intend to send a RTSP SETUP command (inside the
conditional). Otherwise we should accept what was parsed from the
SDP. Does this sound correct? If so, I will go ahead and test a
patch to do just this.<br>
<br>
Thoughts? David<br>
<br>
<br>
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<div class="moz-cite-prefix">On 6/30/2015 9:14 AM, Ross Finlayson
wrote:<br>
</div>
<blockquote
cite="mid:5404E0DB-CA89-4A20-8105-51E01944F8EB@live555.com"
type="cite">
<meta http-equiv="Content-Type" content="text/html;
charset=windows-1252">
<div>
<blockquote type="cite" class="">
<div class="">
<div bgcolor="#FFFFFF" text="#000000" class=""> I have made
repeated tests and have verified that if I set a client
port on the command line then I cannot play a SDP file
that is defining multicast streaming from the camera.</div>
</div>
</blockquote>
<div><br class="">
</div>
Patient: “Doctor, it hurts when I do this.”</div>
<div>Doctor: “Then, don’t do it!”</div>
<div><br class="">
</div>
<div>If you’re asking to play a multicast stream, then you’re
asking to join a stream that has a given IP multicast address
*and port number* (both of which are specified in the SDP
description). It makes no sense to try to change your port
number to be something else. So, don’t do that!</div>
<br class="">
<br class="">
<div apple-content-edited="true" class="">
<span class="Apple-style-span" style="border-collapse: separate;
color: rgb(0, 0, 0); font-family: Helvetica; font-style:
normal; font-variant: normal; font-weight: normal;
letter-spacing: normal; line-height: normal; orphans: 2;
text-align: -webkit-auto; text-indent: 0px; text-transform:
none; white-space: normal; widows: 2; word-spacing: 0px;
-webkit-border-horizontal-spacing: 0px;
-webkit-border-vertical-spacing: 0px;
-webkit-text-decorations-in-effect: none;
-webkit-text-size-adjust: auto; -webkit-text-stroke-width:
0px; "><span class="Apple-style-span" style="border-collapse:
separate; color: rgb(0, 0, 0); font-family: Helvetica;
font-style: normal; font-variant: normal; font-weight:
normal; letter-spacing: normal; line-height: normal;
orphans: 2; text-align: -webkit-auto; text-indent: 0px;
text-transform: none; white-space: normal; widows: 2;
word-spacing: 0px; -webkit-border-horizontal-spacing: 0px;
-webkit-border-vertical-spacing: 0px;
-webkit-text-decorations-in-effect: none;
-webkit-text-size-adjust: auto; -webkit-text-stroke-width:
0px; ">Ross Finlayson<br class="">
Live Networks, Inc.<br class="">
<a moz-do-not-send="true" href="http://www.live555.com/"
class="">http://www.live555.com/</a></span></span>
</div>
<br class="">
<br>
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