<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=""><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class="">On Wed, 2018-01-31 at 13:24 -0700, HernanMassone wrote: </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class=""><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class=""><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class="">Hi, </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class=""><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class=""><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class="">> I am runing gst-launch and i trying change the element parameters "on </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class=""><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class="">> the fly". </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class=""><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class="">> In others words, while pipeline runs I want change the elements </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class=""><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class="">> parameters. </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class=""><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class="">> ¿I can do this? </span><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class=""><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class=""><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class="">GStreamer Daemon was developed to create pipelines in a manner similar to gst-launch, but then let you control the pipelines after they are created. You can pause, play, get bus messages, and set element parameters, among other features. There are several videos and lots of documentation available. You can start at </span><a href="https://developer.ridgerun.com/wiki/index.php?title=GStreamer_Daemon" target="_top" rel="nofollow" link="external" style="font-size: 13.44px; color: rgb(85, 26, 139); font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class="">https://developer.ridgerun.com/wiki/index.php?title=GStreamer_Daemon</a><br style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class=""><br class=""><div style="orphans: 2; widows: 2;" class=""><font face="Verdana, Geneva, Helvetica, Arial, sans-serif" size="2" class="">Basically you put GStreamer Daemon in the background, then use gstd-client to create and control your pipelines. </font></div><div style="orphans: 2; widows: 2;" class=""><font face="Verdana, Geneva, Helvetica, Arial, sans-serif" size="2" class=""><br class=""></font></div><div style="orphans: 2; widows: 2;" class=""><font face="Verdana, Geneva, Helvetica, Arial, sans-serif" size="2" class="">Here is a quick example:</font></div><div style="orphans: 2; widows: 2;" class=""><font face="Verdana, Geneva, Helvetica, Arial, sans-serif" size="2" class=""><br class=""></font></div><div style="orphans: 2; widows: 2;" class=""><font face="Verdana, Geneva, Helvetica, Arial, sans-serif" size="2" class="">gstd &</font></div><div style="orphans: 2; widows: 2;" class=""><font face="Verdana, Geneva, Helvetica, Arial, sans-serif" size="2" class="">gstd-client pipeline_create testpipe videotestsrc name=</font><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: small;" class="">vts ! autovideosink</span></div><div style="orphans: 2; widows: 2;" class=""><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: small;" class="">gstd-client</span><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: small;" class=""> pipeline_play testpipe</span></div><div style="orphans: 2; widows: 2;" class=""><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: small;" class="">gstd-client </span><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: small;" class="">element_set testpipe vts pattern ball</span></div><div style="orphans: 2; widows: 2;" class=""><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: small;" class="">gstd-client </span><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: small;" class="">pipeline_stop testpipe</span></div><div style="orphans: 2; widows: 2;" class=""><font face="Verdana, Geneva, Helvetica, Arial, sans-serif" size="2" class="">gstd-client pipeline_delete testpipe</font></div><div style="orphans: 2; widows: 2;" class=""><font face="Verdana, Geneva, Helvetica, Arial, sans-serif" size="2" class=""><br class=""></font></div><div style="orphans: 2; widows: 2;" class=""><font face="Verdana, Geneva, Helvetica, Arial, sans-serif" size="2" class="">Notice the syntax for gstd-client pipeline_create is the same syntax as supported by gst-launch.</font></div><div style="orphans: 2; widows: 2;" class=""><font face="Verdana, Geneva, Helvetica, Arial, sans-serif" size="2" class=""><br class=""></font></div><div class=""><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class="">Todd Fischer</span><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class=""> </span></div><div class=""><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class="">RidgeRun</span><div class=""><span style="font-family: Verdana, Geneva, Helvetica, Arial, sans-serif; font-size: 13.44px; font-variant-ligatures: normal; orphans: 2; widows: 2; background-color: rgb(255, 255, 255);" class=""><br class=""></span></div></div></body></html>