Gstreamer Raspberry Pi error

[Gofrane]

I'm trying to run the following command on a Raspberry Pi with Ubuntu mate

gst-launch-1.0 filesrc location=big_buck_bunny_1080p_h264.mov  ! avidemux !
h264parse ! omxh264dec ! autovideoconvert ! glimagesink


But I get

Setting pipeline to PAUSED ...
libEGL warning: DRI2: failed to authenticate
Pipeline is PREROLLING ...
Got context from element 'sink': gst.gl.GLDisplay=context,
gst.gl.GLDisplay=(GstGLDisplay)"\(GstGLDisplayX11\)\ gldisplayx11-0";
ERROR: from element /GstPipeline:pipeline0/GstAviDemux:avidemux0: The stream
is of a different type than handled by this element.
Additional debug info:
riff-read.c(262): gst_riff_parse_file_header ():
/GstPipeline:pipeline0/GstAviDemux:avidemux0:
Stream is no RIFF stream: 0x20000000
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...





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