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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Juan<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Packet loss could be caused by a number of things, but the ones
that quickly to mind are network issues or computer resources not being able to
keep up.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>A couple of things to try to see if they help include:<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span
style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Trying reducing bandwidth and frame rate;<o:p></o:p></span></p>

<p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span
style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Does the issue occur when you are only sending a single H.264
stream;<o:p></o:p></span></p>

<p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span
style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Do you get issues when you only transmit H.261 streams, while receiving
H.264 streams?  (IE, is the issue related to encoding);<o:p></o:p></span></p>

<p class=MsoListParagraph><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span
style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>As an additional thought, have you tried updating your video
card drivers, as it may assist with decoding the and display the video streams;<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Are you connected via multicast or unicast&#8230;  Have you
tried unicast or trying a different bridge?<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Anyway, hopefully this information may assist you with further
testing.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Cheers,<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Jason.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

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<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
"Tahoma","sans-serif";color:windowtext'>From:</span></b><span lang=EN-US
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>
ag-tech-bounces@lists.mcs.anl.gov [mailto:ag-tech-bounces@lists.mcs.anl.gov] <b>On
Behalf Of </b>Juan Luis Jiménez Tenorio<br>
<b>Sent:</b> Wednesday, 10 February 2010 07:51 PM<br>
<b>To:</b> ag-tech@lists.mcs.anl.gov<br>
<b>Subject:</b> [AG-TECH] Missing Packet in Accesgrid + Windows<o:p></o:p></span></p>

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<p class=MsoNormal><o:p>&nbsp;</o:p></p>

<p class=MsoNormal>Hi,<o:p></o:p></p>

<p class=MsoNormal><span lang=EN-GB>We are using AccessGrid with H.264 between
3 different campus of my University.</span><o:p></o:p></p>

<p class=MsoNormal><span lang=EN-GB>We are 9 cameras in a session. </span><o:p></o:p></p>

<p class=MsoNormal><span lang=EN-GB>Windows 32 bit is our S.O and we have
QuadCore Processors.</span><o:p></o:p></p>

<p class=MsoNormal><span lang=EN-GB>Our graphics cards are Matrox P690 Plus
PCI. There are 2 of it in each visualize computer.</span><o:p></o:p></p>

<p class=MsoNormal><span lang=EN-GB>The problem is that Vic misses a lot of
packet, so the video have a lot of bad pixels.</span><o:p></o:p></p>

<p class=MsoNormal><span lang=EN-GB>We think that windows + Vic + QuadCore
there are not friendly, and it look like when I assign Vic only to one
processor it missed less, but still miss a lot.</span><o:p></o:p></p>

<p class=MsoNormal><span lang=EN-GB>&nbsp;</span><o:p></o:p></p>

<p class=MsoNormal><span lang=EN-GB>Any idea to reduce missing packet?</span><o:p></o:p></p>

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