<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 TRANSITIONAL//EN"> <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=UTF-8"> <META NAME="GENERATOR" CONTENT="GtkHTML/4.6.6"> </HEAD> <BODY> Le vendredi 28 février 2014 à 04:46 -0800, Ugly Face a écrit : <BLOCKQUOTE TYPE=CITE> pipeline is like this : appsrc ! h264parse ! queue ! ffdec_h264 ! xvimagesink </BLOCKQUOTE> Please don't post multiple time the same question, it won't help you. >From a previous post, you seem to say you have AVC1 stream, split in NAL. That would mean you need to set the codec data (sps/pps) in the caps, codec_data=(GstBuffer)... h264parse cannot reconstruct what is not there. cheers, Nicolas </BODY> </HTML>