There is a GST_DEBUG environment variable that accepts that same format. See here for other variables:<div> </div><div><a href="http://developer.gnome.org/gstreamer/unstable/gst-running.html">http://developer.gnome.org/gstreamer/unstable/gst-running.html</a> <div class="gmail_quote">On Thu, Aug 2, 2012 at 9:46 AM, Aaron <<a href="mailto:yanglm488@hotmail.com" target="_blank">yanglm488@hotmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> Hi,all I have use the command "gst-launch filesrc location=/mnt/sdcard/test.264 !　h264parse ! omx_h264dec ! ffmpegcolorspace ! filesink location=/mnt/sdcard/ttt --gst-debug=omx:5",this command is right. Now i write the code and the program can not run . I want to debug the program and want to use the parameter about "--gst-debug=omx:5". But i donot know how to put the "--gst-debug ..." into program. So what should i do? Thank you very much! Aaron -- View this message in context: <a href="http://gstreamer-devel.966125.n4.nabble.com/How-to-add-parameter-gst-debug-in-program-tp4655792.html" target="_blank">http://gstreamer-devel.966125.n4.nabble.com/How-to-add-parameter-gst-debug-in-program-tp4655792.html</a> Sent from the GStreamer-devel mailing list archive at Nabble.com. _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </blockquote></div> </div>