<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">2015-10-27 9:54 GMT-02:00 Rémi Denis-Courmont <span dir="ltr"><<a href="mailto:remi@remlab.net" target="_blank">remi@remlab.net</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">Le 2015-10-27 14:51, Paulo Vitor Magacho da Silva a écrit :<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Yes, PTZ means pan, tilt, zoom. The network cache introduces a delay<br>
between the PTZ command and the video response. In a normal live<br>
stream 500ms-1000ms is ok for network cache, but when using PTZ, a<br>
reduced network cache around 100ms is more appropriate.<br>
</blockquote>
<br></span>
This seems backward to me. If you can and sometimes need low latency, then just use low latency at all times.<div class="HOEnZb"><div class="h5"><br></div></div></blockquote><div><br></div><div>The issue is that the application can have multiple videos being played. If they all have low latency video can lag because of some packets being delayed. A larger cache can cope with the network fluctuations. <br><br>When the application moves to PTZ enabled state all other videos are paused allowing the application to receive data only from the PTZ enabled camera. This way the latency can be reduced with a much lower probability to have packets being delayed.<br><br></div><div>Thank you<br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="HOEnZb"><div class="h5">
<br>
-- <br>
Rémi Denis-Courmont<br>
<a href="http://www.remlab.net/" rel="noreferrer" target="_blank">http://www.remlab.net/</a><br>
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