<div dir="ltr"><div>This won't help much but here's our experience.</div>Had a similar requirement and posted here last year about it. Luckily my needs were for fewer listeners (30-50) and running them all in mod_conference (with listeners muted) was feasible. But it's not elegant (if it's indeed the case) that all listeners have a jitter buffer and audio decoder that's being allocated but not being used when muted.<div>The upside is we could implement a "barge in" function to allow listeners to join the conference via DTMF PIN. For our application it's not a risk and it's a neat feature.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Apr 20, 2018 at 1:29 PM, Abaci B <span dir="ltr"><<a href="mailto:abaci64@gmail.com" target="_blank">abaci64@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div><div>I do understand that the way mod_conference work it is not efficient for my use case, my question is about the best alternative.<br></div>Streaming would be ideal if it wouldn't be for the latency, since users need to be able to switch to talk mode there is no way a latency of 5-10 seconds (or possibly more) is acceptable.<br></div>Another option is to use eavesdrop which I plan on testing next week to see if it scales, if someone has any input on it I would appreciate.<br></div>The next option would be to optimize mod_conference for this use case, I started looking at the code and identified some places that performance can be optimized but may need to hire someone with better C skills to do the actual coding.<br></div>another possibility may be, to use an RTP proxy that would just distribute the RTP to all callers, this would give the best performance but would limit features.<br>Last option would be to develop a new module optimized for low latency streaming, but leave that as a last resort.<br></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Apr 20, 2018 at 1:15 PM, Tihomir Culjaga <span dir="ltr"><<a href="mailto:tculjaga@gmail.com" target="_blank">tculjaga@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">a conference with 1000 members demands huge resources... and this is not efficient if only 2-5% of members will actually talk.<div>you need to keep the actual conference to the minimum number of "speakers" and move listeners to a streaming "service".</div><div><br></div><div>so, focus on how to get your entire conference streamed somewhere.</div><div><br></div><div>another thing to consider.... do the "listeners" really need to be in time sync with the conference ? They will just hear the conversation from the conference a bit later... thats all.</div><span class="m_-7367734651251202473HOEnZb"><font color="#888888"><div><br></div><div>T.</div><div><br></div><div><br></div><div><br></div><div><br></div><div><br></div></font></span></div><div class="m_-7367734651251202473HOEnZb"><div class="m_-7367734651251202473h5"><div class="gmail_extra"><br><div class="gmail_quote">On 20 April 2018 at 14:43, Abaci B <span dir="ltr"><<a href="mailto:abaci64@gmail.com" target="_blank">abaci64@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">problem with shoutcast streaming is the extreme latency<br></div><div class="m_-7367734651251202473m_6999837752394321025HOEnZb"><div class="m_-7367734651251202473m_6999837752394321025h5"><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Apr 20, 2018 at 1:30 AM, Giovanni Maruzzelli <span dir="ltr"><<a href="mailto:gmaruzz@gmail.com" target="_blank">gmaruzz@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>you definitely want to have only the speakers into conference, and stream to all others.<br><br></div>-giovanni<br></div><div class="gmail_extra"><div><div class="m_-7367734651251202473m_6999837752394321025m_-2093314510862508429h5"><br><div class="gmail_quote">On 19 April 2018 at 23:37, Abaci B <span dir="ltr"><<a href="mailto:abaci64@gmail.com" target="_blank">abaci64@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div>I was thinking that the muted flag (CAN_SPEAK?) is something that can change mid conference which means there is a chance of loosing a single frame (the last one right before muting). I was more interested in knowing as far as performance if it makes sense.<br></div>not sure if this is safe but something like only starting conference_loop_launch_input if that flag is not set.<br></div>I still wish there would be module that would do exactly this (something like shoutcast but local and without the shoutcast latency)<br></div><div class="m_-7367734651251202473m_6999837752394321025m_-2093314510862508429m_8392451737857495029HOEnZb"><div class="m_-7367734651251202473m_6999837752394321025m_-2093314510862508429m_8392451737857495029h5"><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Apr 19, 2018 at 5:19 PM, Steven Ayre <span dir="ltr"><<a href="mailto:steveayre@gmail.com" target="_blank">steveayre@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">There's already a muted flag you could use for that.</div><div class="m_-7367734651251202473m_6999837752394321025m_-2093314510862508429m_8392451737857495029m_2531540266478605780HOEnZb"><div class="m_-7367734651251202473m_6999837752394321025m_-2093314510862508429m_8392451737857495029m_2531540266478605780h5"><div class="gmail_extra"><br><div class="gmail_quote">On 19 April 2018 at 20:55, Abaci B <span dir="ltr"><<a href="mailto:abaci64@gmail.com" target="_blank">abaci64@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>Thanks for the reply.<br></div>Another idea I'm thinking of is to add a LISTEN_ONLY mflag to mod_conference and only run conference_loop_input thread on channels that don't have this flag, that way I don't need to set up a shoutcast server and have everything contained within freeswitch, does that make sense?<br></div><div class="m_-7367734651251202473m_6999837752394321025m_-2093314510862508429m_8392451737857495029m_2531540266478605780m_242112954668128721HOEnZb"><div class="m_-7367734651251202473m_6999837752394321025m_-2093314510862508429m_8392451737857495029m_2531540266478605780m_242112954668128721h5"><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Apr 19, 2018 at 3:20 PM, Giovanni Maruzzelli <span dir="ltr"><<a href="mailto:gmaruzz@gmail.com" target="_blank">gmaruzz@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto">definitely conference with two participant, and 598 on localstream<div dir="auto"><br></div><div dir="auto">-giovanni</div></div><br><div class="gmail_quote"><div><div class="m_-7367734651251202473m_6999837752394321025m_-2093314510862508429m_8392451737857495029m_2531540266478605780m_242112954668128721m_-1316602749522260073h5"><div dir="ltr">On Thu, Apr 19, 2018, 18:38 Abaci B <<a href="mailto:abaci64@gmail.com" target="_blank">abaci64@gmail.com</a>> wrote:<br></div></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="m_-7367734651251202473m_6999837752394321025m_-2093314510862508429m_8392451737857495029m_2531540266478605780m_242112954668128721m_-1316602749522260073h5"><div dir="ltr"><div>Hi,<br>I'm trying to set up a large audio conference of over 1000 users where only 1 or 2 users are talking and the rest are just listening, but after 600-700 users the CPU usage gets too high and the audio gets choppy, I understand that mod_conference is not optimized for my use case but was wondering if someone has any suggestions on what can be done to optimize for my use case.<br>I was also thinking that maybe there is a  better alternative for what I look for, such as having just the talkers on the conference and the listeners should listen to it via mod_local_stream or maybe use something like eavesdrop for the listeners but not sure if and how much performance I would gain.<br></div>Thanks for any help or input<br><br></div></div></div>
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</div></div><br>______________________________<wbr>______________________________<wbr>_____________<br>
Professional FreeSWITCH Consulting Services:<br>
<a href="mailto:consulting@freeswitch.org" target="_blank">consulting@freeswitch.org</a><br>
<a href="http://www.freeswitchsolutions.com" rel="noreferrer" target="_blank">http://www.freeswitchsolutions<wbr>.com</a><br>
<br>
Official FreeSWITCH Sites<br>
<a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
<a href="http://confluence.freeswitch.org" rel="noreferrer" target="_blank">http://confluence.freeswitch.o<wbr>rg</a><br>
<a href="http://www.cluecon.com" rel="noreferrer" target="_blank">http://www.cluecon.com</a><br>
<br>
FreeSWITCH-users mailing list<br>
<a href="mailto:FreeSWITCH-users@lists.freeswitch.org" target="_blank">FreeSWITCH-users@lists.freeswi<wbr>tch.org</a><br>
<a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" rel="noreferrer" target="_blank">http://lists.freeswitch.org/ma<wbr>ilman/listinfo/freeswitch-user<wbr>s</a><br>
UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" rel="noreferrer" target="_blank">http://lists.frees<wbr>witch.org/mailman/options/<wbr>freeswitch-users</a><br>
<a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br></blockquote></div><br></div>
</div></div><br>______________________________<wbr>______________________________<wbr>_____________<br>
Professional FreeSWITCH Consulting Services:<br>
<a href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a><br>
<a href="http://www.freeswitchsolutions.com" rel="noreferrer" target="_blank">http://www.<wbr>freeswitchsolutions.com</a><br>
<br>
Official FreeSWITCH Sites<br>
<a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br>
<a href="http://confluence.freeswitch.org" rel="noreferrer" target="_blank">http://confluence.freeswitch.<wbr>org</a><br>
<a href="http://www.cluecon.com" rel="noreferrer" target="_blank">http://www.cluecon.com</a><br>
<br>
FreeSWITCH-users mailing list<br>
<a href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.<wbr>freeswitch.org</a><br>
<a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users" rel="noreferrer" target="_blank">http://lists.freeswitch.org/<wbr>mailman/listinfo/freeswitch-<wbr>users</a><br>
UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users" rel="noreferrer" target="_blank">http://lists.<wbr>freeswitch.org/mailman/<wbr>options/freeswitch-users</a><br>
<a href="http://www.freeswitch.org" rel="noreferrer" target="_blank">http://www.freeswitch.org</a><br></blockquote></div><br></div>