Unable to play mpeg video using gst-launch

[Debsu]

Even when I am using the following pipeline:
*gst-launch -v filesrc location=./MovieTra1950_3.mpeg ! mpegdemux
name=demuxer ! mpeg2dec ! autovideosink demuxer. ! mad ! autoaudiosink*
The pipeline is getting stalled after showing the following messages:
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
/GstPipeline:pipeline0/GstMPEGDemux:demuxer.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
/GstPipeline:pipeline0/GstMad:mad0.GstPad:sink: caps = audio/mpeg,
mpegversion=(int)1
/GstPipeline:pipeline0/GstMad:mad0.GstPad:src: caps = audio/x-raw-int,
endianness=(int)1234, signed=(boolean)true, width=(int)32, depth=(int)32,
rate=(int)44100, channels=(int)1
/GstPipeline:pipeline0/GstAutoAudioSink:autoaudiosink0/GstPulseSink:autoaudiosink0-actual-sink-pulse.GstPad:sink:
caps = audio/x-raw-int, endianness=(int)1234, signed=(boolean)true,
width=(int)32, depth=(int)32, rate=(int)44100, channels=(int)1
/GstPipeline:pipeline0/GstAutoAudioSink:autoaudiosink0.GstGhostPad:sink:
caps = audio/x-raw-int, endianness=(int)1234, signed=(boolean)true,
width=(int)32, depth=(int)32, rate=(int)44100, channels=(int)1
/GstPipeline:pipeline0/GstAutoAudioSink:autoaudiosink0.GstGhostPad:sink.GstProxyPad:proxypad1:
caps = audio/x-raw-int, endianness=(int)1234, signed=(boolean)true,
width=(int)32, depth=(int)32, rate=(int)44100, channels=(int)1


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