~ $ gst-launch playbin2 uri=file:///home/user/MyDocs/TWOGK_01.mp4 Setting pipeline to PAUSED ... Pipeline is PREROLLING ... dsp_init: dsp open failed create_node: failed to register ringio node library init_node: dsp node creation failed ERROR: from element /GstPlayBin2:playbin20/GstURIDecodeBin:uridecodebin0/GstDecodeBin2:decodebin20/GstDspVDec:dspvdec0: couldn't start node ERROR: pipeline doesn't want to preroll. Setting pipeline to NULL ... Freeing pipeline ... ~ $