<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Hello,</div><div><br></div><div>I am using mod_conference on Freeswitch from today's master branch (1.5.12b+git~20140404T014312Z~5320075df7~64bit) on CentOS 6.5. We have a conference that consists of only two participants.</div><div><br></div><div>The problem occurs when the floor changes. We get one of two scenarios:</div><div>1) We see the transmitted video image showing, what I can only describe as, the new speaker superimposed on the previous speaker.</div><div>2) The transmitted video image has so many artefacts it is unintelligible.</div><div>After a couple of minutes it sorts itself out and we get the current speaker only.</div><div><br></div><div>Looking at the FreeSWITCH log we see the PLI being sent:</div><div><br></div><div><div>2014-04-04 15:33:01.525217 [ALERT] mod_conference.c:2021 Adding video floor <a href="mailto:sofia/external/xxx@gmail.com">sofia/external/xxx@gmail.com</a></div><div>2014-04-04 15:33:01.525217 [ALERT] switch_core_session.c:2993 <a href="mailto:sofia/external/xxx@gmail.com">sofia/external/xxx@gmail.com</a> receive message [VIDEO_REFRESH_REQ]</div><div>2014-04-04 15:33:01.525217 [ALERT] switch_core_session.c:2993 <a href="mailto:sofia/external/xxx@gmail.com">sofia/external/xxx@gmail.com</a> receive message [VIDEO_REFRESH_REQ]</div><div>2014-04-04 15:33:01.525217 [ALERT] switch_core_session.c:2993 <a href="mailto:sofia/external/xxx@gmail.com">sofia/external/xxx@gmail.com</a> receive message [VIDEO_REFRESH_REQ]</div><div>2014-04-04 15:33:01.525217 [ALERT] mod_conference.c:2093 Dropping floor <a href="mailto:sofia/external/xxx@gmail.com">sofia/external/xxx@gmail.com</a></div><div>2014-04-04 15:33:01.525217 [ALERT] mod_conference.c:2101 Adding floor <a href="mailto:sofia/external/xxx@gmail.com">sofia/external/xxx@gmail.com</a></div><div>2014-04-04 15:33:01.525217 [ALERT] switch_core_session.c:2993 <a href="mailto:sofia/external/xxx@gmail.com">sofia/external/xxx@gmail.com</a> receive message [VIDEO_REFRESH_REQ]</div><div>2014-04-04 15:33:01.525217 [ALERT] switch_core_media.c:1650 <a href="mailto:sofia/external/xxx@gmail.com">sofia/external/xxx@gmail.com</a> is already being read for video</div><div>2014-04-04 15:33:01.565149 [ALERT] switch_rtp.c:1540 Sending RTCP PLI</div><div>2014-04-04 15:33:01.565149 [ALERT] switch_rtp.c:1540 Sending RTCP PLI</div><div>2014-04-04 15:33:01.867523 [ALERT] switch_rtp.c:1540 Sending RTCP PLI</div><div>2014-04-04 15:33:02.005056 [ALERT] switch_rtp.c:1540 Sending RTCP PLI</div><div>2014-04-04 15:33:02.185116 [ALERT] switch_rtp.c:1638 <a href="mailto:sofia/external/xxx@gmail.com">sofia/external/xxx@gmail.com</a> audio stat 99.00 3198/3201 flaws: 3 mos: 4.49 v: 30.49 1.88/400.00</div><div>2014-04-04 15:33:02.205164 [ALERT] switch_rtp.c:1540 Sending RTCP PLI</div><div>2014-04-04 15:33:02.365375 [ALERT] switch_rtp.c:1540 Sending RTCP PLI</div><div>2014-04-04 15:33:02.625058 [ALERT] switch_rtp.c:1638 <a href="mailto:sofia/external/xxx@gmail.com">sofia/external/xxx@gmail.com</a> video stat 99.00 2014/2022 flaws: 8 mos: 4.49 v: 265.63 172.09/1600.00</div><div>2014-04-04 15:33:07.205182 [ALERT] switch_rtp.c:1638 <a href="mailto:sofia/external/xx@gmail.com">sofia/external/xx@gmail.com</a> audio stat 99.00 3450/3453 flaws: 3 mos: 4.49 v: 28.75 1.88/400.00</div></div><div><br></div><div>Is there any configuration that I may have omitted?</div><div><br></div><div>The problem has been observed on both Firefox and Chrome browsers.</div><div><br></div><div>I apologise for the vague description of the problem - I am quite happy to provide any information that you think is important.</div><div><br></div><div>Regards,</div><div> Richard</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div><div>
<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; font-size: medium; "><span class="Apple-style-span" style="border-collapse: separate; font-style: normal; font-variant: 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; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div style="font-weight: normal; margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><b style="color: rgb(0, 0, 0); "><span style="font-size: 9pt; font-family: Verdana, sans-serif; ">Richard Screene<br></span></b><b style="color: rgb(0, 0, 0); "><span style="font-size: 7.5pt; font-family: Verdana, sans-serif; color: rgb(254, 101, 0); ">Senior Developer<br></span></b><b style="color: rgb(0, 0, 0); "><span style="font-size: 7.5pt; font-family: Verdana, sans-serif; color: rgb(127, 127, 127); ">Drum Web Meetings <br></span></b><b><span style="font-size: 7.5pt; font-family: Verdana, sans-serif; ">+44 1273 936125<br></span></b></div></div></div></span><span class="Apple-style-span" style="font-family: Calibri, sans-serif; font-size: 15px; "><b style="color: blue; text-decoration: underline; "><span style="font-size: 7.5pt; font-family: Verdana, sans-serif; "><a href="http://www.thisisdrum.com/" style="color: blue; text-decoration: underline; ">www.thisisdrum.com</a></span></b></span><div><span class="Apple-style-span" style="font-family: Calibri, sans-serif; font-size: 15px; "><b><span style="font-size: 7pt; font-family: Verdana, sans-serif; color: rgb(127, 127, 127); ">Drum is the collaboration solution by <a href="http://www.netdev.co.uk/" style="color: blue; text-decoration: underline; "><span style="color: blue; ">NetDev Ltd</span></a>.</span></b></span><font class="Apple-style-span" color="#0000ff" face="Verdana, sans-serif" size="2"><b><u><br></u></b></font><span class="Apple-style-span" style="border-collapse: separate; font-style: normal; font-variant: 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; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div style="font-weight: normal; color: rgb(0, 0, 0); margin-top: 0cm; margin-right: 0cm; margin-left: 0cm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><b><span style="font-size: 7pt; font-family: Verdana, sans-serif; color: rgb(127, 127, 127); ">Registered in England and Wales <br></span></b><span style="font-size: 7pt; font-family: Verdana, sans-serif; color: rgb(127, 127, 127); ">Company Number 04741258</span></div></div></div></span></div></span>
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