<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">I would stay away from mod_vlc. Its audio portions with recording have known issues. We do use the rtmp streaming in mod_av heavily but thats obviously not wav. Can you explain a bit more why you have this requirement?<div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Apr 5, 2016, at 5:36 AM, Vincent Gire <<a href="mailto:vincent.gire@gmail.com" class="">vincent.gire@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Ok thanks.<br class="">It looks promising !<div class="">I'll dig into mod_vlc.</div><div class=""><br class=""></div><div class="">Best </div><div class=""><br class=""></div><div class="">Vincent</div></div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Tue, Apr 5, 2016 at 10:04 AM, Sergey Safarov <span dir="ltr" class=""><<a href="mailto:s.safarov@gmail.com" target="_blank" class="">s.safarov@gmail.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr" class="">Think is requred streaming feature of freeswitch.<div class="">Look at <a href="https://freeswitch.org/confluence/display/FREESWITCH/mod_esf" target="_blank" class="">mod_esf</a> and <a href="https://wiki.freeswitch.org/wiki/Mod_vlc" target="_blank" class="">mod_vlc</a></div><div class="">Instruction to compile mod_vlc on provided link is to old but helpfull to undestand how to stream media to http server.</div><div class=""><br class=""></div><div class="">For compiling mod_vlc please use <a href="https://freeswitch.org/stash/projects/SD/repos/vlc/browse" target="_blank" class="">vlc repo</a> and <a href="https://freeswitch.org/confluence/display/FREESWITCH/Creating+RPM+repositary" target="_blank" class="">centos instruction</a>.</div><div class="">After you intall vlc, then you can enable mod_vlc module in freeswitch sources(SPEC file) and compile freeswitch.</div><div class=""><br class=""></div><div class="">Sergey</div><div class=""><br class=""></div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="">вт, 5 апр. 2016 г. в 10:31, Vincent Gire <<a href="mailto:vincent.gire@gmail.com" target="_blank" class="">vincent.gire@gmail.com</a>>:<br class=""></div><div class=""><div class="h5"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr" class="">webdav, mod_http_cache or mod_httapi all results in sending the recording only <b class="">after</b> it is complete.<div class="">They all write the <span style="font-family: sans-serif; font-size: 12.8px; line-height: 19.2px;" class="">recording to a file, wait for the recording to complete and the file to close and then send it over HTTP.</span></div><div class=""><font face="sans-serif" class=""><span style="font-size:12.8px;line-height:19.2px" class=""><br class=""></span></font><div class="">I would like to start sending the recording to the remove server as soon as it starts (max 1 sec latency).</div><div class="">mod_http_cache or mod_httapi would be perfect if they were streaming the recording like mod_shout.</div><div class=""><br class=""></div></div></div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Mon, Apr 4, 2016 at 8:50 PM, Sergey Safarov <span dir="ltr" class=""><<a href="mailto:s.safarov@gmail.com" target="_blank" class="">s.safarov@gmail.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr" class="">Input/output latency is not problem. I use Kazoo on my servers and call recording is stored to database during 5 seconds after hangup.<br class="">
What is broken in your case if save file using webdav or http_cache?</p><div class=""><div class="">
<br class=""><div class="gmail_quote"><div dir="ltr" class="">On Mon, Apr 4, 2016, 21:10 Vincent Gire <<a href="mailto:vincent.gire@gmail.com" target="_blank" class="">vincent.gire@gmail.com</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr" class="">Hello Sergey,<div class=""><br class=""></div><div class="">Thank you for your answer.</div><div class="">I've looked into webdav mounted filesystem.</div><div class=""><br class=""></div><div class="">Unfortunately, most WebDav clients (especially davfs2 on debian) do a lot of buffering, caching and even lock-null requests (lock a non existent resource before writing to it). I also suspect that they wait for the end of the write operation.</div><div class="">The result is a latency of a few seconds witch is not much better than what I achieve with mod_shout if I transcode the MP3.</div><div class=""><br class=""></div><div class="">Any other idea ?</div><div class=""><br class=""></div><div class="">Thank you !</div><div class=""><br class=""></div><div class="">Best regards</div><div class=""><br class=""></div><div class="">Vincent</div><div class=""><div class="gmail_extra"></div></div></div><div dir="ltr" class=""><div class=""><div class="gmail_extra"><br class=""><div class="gmail_quote">On Sun, Apr 3, 2016 at 7:30 PM, Sergey Safarov <span dir="ltr" class=""><<a href="mailto:s.safarov@gmail.com" target="_blank" class="">s.safarov@gmail.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><p dir="ltr" class="">Please look at webdav mounted filesystem.</p>
<br class=""><div class="gmail_quote"><div class=""><div class=""><div dir="ltr" class="">On Sun, Apr 3, 2016, 19:17 Vincent Gire <<a href="mailto:vincent.gire@gmail.com" target="_blank" class="">vincent.gire@gmail.com</a>> wrote:<br class=""></div></div></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div class=""><div class=""><div dir="ltr" class=""><div class=""><div class=""><span style="white-space:pre-wrap" class="">Hi all,</span></div><div class=""><span style="white-space:pre-wrap" class=""><br class=""></span></div><div class=""><span style="white-space:pre-wrap" class="">Thank you to all contributing to FreeSWITCH !</span></div><div class=""><span style="white-space:pre-wrap" class=""><br class=""></span></div><div class=""><span style="white-space:pre-wrap" class="">I'm working on a IVR project where logic is implemented on a HTTP server.</span></div><div class=""><span style="white-space:pre-wrap" class="">We are leaving Twilio because we now need to record and live stream the session to the HTTP server in WAV format (chunked transfer encoding).</span></div><div class=""><span style="white-space:pre-wrap" class=""><br class=""></span></div><div class=""><span style="white-space:pre-wrap" class=""><b class="">mod_httapi</b> looks great (HT TAPI very similar to Twilio's) but it seems that the records are first saved to disk before there are sent to the server as chunked data. </span></div><div class=""><span style="white-space:pre-wrap" class="">We need the transfer to start as soon as the recording starts.</span></div><div class=""><span style="white-space:pre-wrap" class=""><br class=""></span></div><div class=""><span style="white-space:pre-wrap" class=""><b class="">mod_shout</b> does start the request almost as the records starts but it does not support WAV file and shout:// is not exactly a HTTP request (SOURCE method instead of PUT).</span></div><div class=""><span style="white-space:pre-wrap" class=""><br class=""></span></div><div class=""><span style="white-space:pre-wrap" class="">Is there a way to use these modules to achieve our goal ?</span></div><div class=""><span style="white-space:pre-wrap" class=""><br class=""></span></div><div class=""><span style="white-space:pre-wrap" class="">If not, we are willing to author a specific module or rather contribute to the existing ones.</span></div><div class=""><span style="white-space:pre-wrap" class=""><br class=""></span></div><div class=""><span style="white-space:pre-wrap" class="">We've identified two approaches:</span></div><div class=""><ol class=""><li class=""><span style="white-space:pre-wrap" class="">From <b class="">mod_httapi</b>
</span>Modify mod_httapi to directly stream the record instead of completely saving it to disk before the HTTP chunked transfer starts.<br class="">This seems the most logical but with more than 3000 lines, mod_httapi does not seem to be the easiest module to build upon for newcomers!<br class=""><span style="white-space:pre-wrap" class=""><br class=""></span></li><li class="">From <b class="">mod_shout</b></li><ol class=""><li class="">Modify libshoot to replace the custom SOURCE method with standard HTTP PUT method</li><li class="">Modify mod_shout to support wav files</li><li class="">Implement our IVR in script (javascript/lua)</li></ol></ol></div><div class=""><span style="white-space:pre-wrap" class="">What do you think ?</span></div><div class=""><span style="white-space:pre-wrap" class=""><br class=""></span></div><div class=""><span style="white-space:pre-wrap" class="">Thank you for your help.</span></div><div class=""><span style="white-space:pre-wrap" class=""><br class=""></span></div><div class=""><span style="white-space:pre-wrap" class="">Cheers,</span></div></div></div></div></div></blockquote></div></blockquote></div></div></div></div></blockquote></div></div></div></blockquote></div></div></blockquote></div></div></div></blockquote></div></div></div></blockquote></div></div></body></html>