Error: 4, Could not determine type of stream.. Debug output: /home/clopez/webkit/webkit/WebKitBuild/DependenciesGTK/Source/gstreamer-1.8.0/plugins/elements/gsttypefindelement.c(1150): gst_type_find_element_loop (): /GstPipeline:pipeline2/GstDecodeBin:decodebin/GstTypeFindElement:typefind