Unable to play mpeg video using gst-launch

[Debsu]

I have already used this pipeline, the following are the result:

gst-launch -v filesrc location=./Videos/MovieTra1950_3.mpeg ! mpegdemux !
mpeg2dec ! ffmpegcolorspace ! autovideosink
*Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
/GstPipeline:pipeline0/GstMPEGDemux:mpegdemux0.GstPad:sink: caps =
video/mpeg, mpegversion=(int)2, systemstream=(boolean)true,
parsed=(boolean)true
/GstPipeline:pipeline0/GstMpeg2dec:mpeg2dec0.GstPad:sink: caps = video/mpeg,
mpegversion=(int)2, systemstream=(boolean)false
/GstPipeline:pipeline0/GstMpeg2dec:mpeg2dec0.GstPad:src: caps =
video/x-raw-yuv, format=(fourcc)I420, width=(int)368, height=(int)480,
pixel-aspect-ratio=(fraction)40/23, framerate=(fraction)30000/1001,
interlaced=(boolean)true
ERROR: from element /GstPipeline:pipeline0/GstFileSrc:filesrc0: Internal
data flow error.
Additional debug info:
gstbasesrc.c(2582): gst_base_src_loop ():
/GstPipeline:pipeline0/GstFileSrc:filesrc0:
streaming task paused, reason not-negotiated (-4)
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
*

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