<div dir="ltr">There is a huge number of possible reasons and this doesn't give any indication. Enable logging to see what fails. export GST_DEBUG=x264enc:5 You may also need to look into the element factory. Check the doc for the proper name(s) or use export GST_DEBUG=*:5, which will log everything </div><div class="gmail_extra"> <div class="gmail_quote">On Thu, Jan 30, 2014 at 5:50 AM, d <<a href="mailto:dudi017@gmail.com" target="_blank">dudi017@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> Hi, im trying to create x264enc: int main (int argc, char *argv[]) { GstElement *pipeline, *src, *enc, *rtp, *sink; ... ... src = gst_element_factory_make ("videotestsrc", "src"); enc = gst_element_factory_make ("x264enc", "enc"); rtp = gst_element_factory_make ("rtph264pay", "rtp"); sink = gst_element_factory_make ("udpsink", "sink"); pipeline = gst_pipeline_new ("test-pipeline"); if (!pipeline || !src || !enc || !rtp || !sink ) { g_printerr ("Not all elements could be created.\n"); return -1; } } if I erase the line : enc = gst_element_factory_make ("x264enc", "enc"); the program will run any ideas..? -- View this message in context: <a href="http://gstreamer-devel.966125.n4.nabble.com/Not-all-elements-could-be-created-tp4664975.html" target="_blank">http://gstreamer-devel.966125.n4.nabble.com/Not-all-elements-could-be-created-tp4664975.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>