<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div><br class=""><blockquote type="cite" class=""><div class=""><div class=""><blockquote type="cite" class="">I want to take a camera<br class=""><br class="">a) stream it<br class="">b) preview at will<br class="">c) record at will<br class=""><br class="">mythtv is perfect except I do not want any GUI, only programatic invocation.<br class="">I’ve not studied the API eg I find StopRecording but no StartRevording, can anyone offer advice?<br class=""><br class="">I implimented the requirement with gstreamer. Unlike mythtv-users and mythtv-dev lists their list is populated by soals seeking answers and a few really knowledgeable people. Unless you can pique their interest, you are on your own.<br class=""><br class=""></blockquote><br class="">Zoneminder ( <a href="https://www.mythtv.org/wiki/MythZoneMinder" class="">https://www.mythtv.org/wiki/MythZoneMinder</a> ) and the mythtv pluginfor zoneminder are a possibility for what you are inquiring about. You didn’t mention what kind of camera, but zone minder will work with both network cameras as well as attached cameras to the zoneminder server.<br class=""></div></div></blockquote></div><br class=""><div class="">First thanks to you and to Barry, it very refreshing to have someone take an interest in your question.</div><div class="">I tried to keep my question terse and relevant, but more explanation is warranted:</div><div class=""><br class=""></div><div class="">In Australia commercial divers are required to wear a head cam and record their work.</div><div class=""><br class=""></div><div class="">A year or so ago a fishing trawler sank off Broom.</div><div class=""><br class=""></div><div class="">Since there may have been bodies on board when recovered (there weren't) the police accompanied the recovery and took the very poor video. (no doubt on a phone)</div><div class="">We make DVRs. Divers describe themselves as underwater laborers and so the GUI is simple, certainly not</div><div class="">u-beaut as mythtv.</div><div class=""><br class=""></div><div class=""><a href="http://tigger.ws/downloads/DVR.avi" class="">http://tigger.ws/downloads/DVR.avi</a></div><div class="">In the clip you can see the recorder box.</div><div class=""><br class=""></div><div class="">We are implementing HD recording using Sensoray 2263 capture from a 1080p AHD camera.</div><div class=""><br class=""></div><div class="">Mythtv answers all my needs. A customer of the dive company may want to watch, imagine a hull inspection on an oil tanker. So</div><div class="">The divemaster needs watch what is happening and record what is happening while their customer watches a stream.</div><div class="">All is complicated by (life dependant) chemistry of breathing gas (partial pressure of oxygen) (nitrogen being narcotic at about. 70m) (helium at pressure being a very good conductor of heat so warming water is needed) (as little as neccessory helium is used because of cost (so called tri-mix oxygen-nitrogen-helium))</div><div class="">Voice is distorted by helium.</div><div class=""><br class=""></div><div class="">mythtv ticks nearly all the boxes, but I need to control it via the api not via the gui.</div><div class="">As a 20 year mythtv user it is a obvious choice likewise any project you care to name is unlikely to address all my needs.</div><div class=""><br class=""></div><div class=""><blockquote type="cite" class="">I'm not sure of what you mean by "programatic invocation"</blockquote>means interaction with mythtv is via program API not via GUI in any way.</div><div class=""><br class=""></div><div class=""><blockquote type="cite" class="">If the same recording displays fine under Linux and Windows then it should also be fine with MacOS. Perhaps a bad install of the Mac VLC, outdated codec. (WAG)<br class=""></blockquote><br class=""></div><div class="">The whole mac paradigsm of "doan toucha da buttons" means the buffering-latency is hard to configure: mac plays good videos <smile> eg mythtv recordings just fine but my goal is to create not-broken recordings.</div><div class="">What tool can I use.to measure, listen<scitch>ing is<scritch> easy</div><div class=""><br class=""></div><div class="">James </div></body></html>