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</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>Mmm.., thanks for your sharing.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>But What I what is something like configuration files that gstreamer can read to set ranks automatically.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>Cheers.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>Long<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> gstreamer-devel-bounces+long.bu=intel.com@lists.freedesktop.org [mailto:gstreamer-devel-bounces+long.bu=intel.com@lists.freedesktop.org] <b>On Behalf Of </b>Julien Moutte<br><b>Sent:</b> Friday, February 25, 2011 6:10 PM<br><b>To:</b> Discussion of the development of and with GStreamer<br><b>Subject:</b> Re: How to change rank of a plugin by configuration(without change code and recompile)<o:p></o:p></span></p></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Here is how it's done in Moovida :<o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><div><p class=MsoNormal><span lang=EN-US>bp_enable_factory (const gchar *name, gboolean enable)<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>{<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> GstRegistry *registry = NULL;<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> GstElementFactory *factory = NULL;<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> registry = gst_registry_get_default ();<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> if (G_UNLIKELY (!registry)) {<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> bp_debug ("failed retrieving default registry");<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> goto beach;<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> }<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> factory = gst_element_factory_find (name);<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> if (G_UNLIKELY (!factory)) {<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> bp_debug ("unable to locate the %s factory", name);<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> goto beach;<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> }<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> // Raise Rank to Primary + 2 as Fluendo codecs use Primary + 1.<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> if (enable) {<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> gst_plugin_feature_set_rank (GST_PLUGIN_FEATURE (factory), GST_RANK_PRIMARY + 2);<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> }<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> else { // Or set it back to NONE.<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> gst_plugin_feature_set_rank (GST_PLUGIN_FEATURE (factory), GST_RANK_NONE);<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> }<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>beach:<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> if (factory && registry) {<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> gst_registry_add_feature (registry, GST_PLUGIN_FEATURE (factory));<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> }<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US> return;<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>}<o:p></o:p></span></p></div><p style='margin-bottom:0cm;margin-bottom:.0001pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:#2323DC'>Julien Moutte<br>CTO <br>Fluendo<br>San Francisco, USA & Barcelona, SPAIN<br>Tel BCN. +34 933 175 153<br>Tel USA. </span><span lang=EN-US style='font-family:"Verdana","sans-serif";color:#2323DC'>+1 415 773 5353</span><span lang=EN-US style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#500050'><o:p></o:p></span></p><p style='margin-bottom:0cm;margin-bottom:.0001pt'><span lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:#2323DC'><a href="http://www.fluendo.com/" target="_blank"><span style='color:#0000CC'>www.fluendo.com</span></a> & <a href="http://www.moovida.com/" target="_blank"><span style='color:#0000CC'>www.moovida.com</span></a></span><span lang=EN-US style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#500050'><o:p></o:p></span></p><p><span lang=EN-US style='font-size:18.0pt;font-family:Webdings;color:green'>P</span><span lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:green'> </span><strong><span lang=EN-US style='font-size:7.5pt;color:green'>Please consider the environment before printing this e-mail.</span></strong><span lang=EN-US style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#500050'><o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US><br><br><o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US>On Fri, Feb 25, 2011 at 10:36 AM, Bu, Long <<a href="mailto:long.bu@intel.com">long.bu@intel.com</a>> wrote:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Hi,<br> I am wondering if there is a chance to change the rank of a plugin by some configuration without modifying code and rebuilding.<br><br> Thanks a lot!<br><br>Cheers.<br>Long<br>_______________________________________________<br>gstreamer-devel mailing list<br><a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a><br><a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><o:p></o:p></span></p></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></div></body></html>