GStreamer installation is missing a plug-in

When i try to play this .mov file using gstreamer i get this following errors, i even tried .avi and .mp4 formats nothing helped. I need to configure this gstreamer plugin correctly to run my matlab code. Please help me on this.

#gst-launch-1.0 playbin uri=file:/home/user/file.MOV
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
Missing element: H.264 (High Profile) decoder
WARNING: from element /GstPlayBin:playbin0/GstURIDecodeBin:uridecodebin0: No decoder available for type 'video/x-h264, stream-format=(string)avc, alignment=(string)au, level=(string)5.1, profile=(string)high, codec_data=(buffer)01640033ffe1003627640033ac34c803c0043ec05a808080a000007d20001d4c1d0c000727080001c9c3977971a18000e4e10000393872ef2e1f0884538001000428ee3830, width=(int)3840, height=(int)2160, framerate=(fraction)30000/1001, pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive, chroma-format=(string)4:2:0, bit-depth-luma=(uint)8, bit-depth-chroma=(uint)8, parsed=(boolean)true'.
Additional debug info:
gsturidecodebin.c(921): unknown_type_cb (): /GstPlayBin:playbin0/GstURIDecodeBin:uridecodebin0
ERROR: from element /GstPlayBin:playbin0/GstURIDecodeBin:uridecodebin0: Your GStreamer installation is missing a plug-in.
Additional debug info:
gsturidecodebin.c(988): no_more_pads_full (): /GstPlayBin:playbin0/GstURIDecodeBin:uridecodebin0:
no suitable plugins found:
gstdecodebin2.c(4640): gst_decode_bin_expose (): /GstPlayBin:playbin0/GstURIDecodeBin:uridecodebin0/GstDecodeBin:decodebin0:
no suitable plugins found:
Missing decoder: H.264 (High Profile) (video/x-h264, stream-format=(string)avc, alignment=(string)au, level=(string)5.1, profile=(string)high, codec_data=(buffer)01640033ffe1003627640033ac34c803c0043ec05a808080a000007d20001d4c1d0c000727080001c9c3977971a18000e4e10000393872ef2e1f0884538001000428ee3830, width=(int)3840, height=(int)2160, framerate=(fraction)30000/1001, pixel-aspect-ratio=(fraction)1/1, interlace-mode=(string)progressive, chroma-format=(string)4:2:0, bit-depth-luma=(uint)8, bit-depth-chroma=(uint)8, parsed=(boolean)true)

ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
Freeing pipeline ...

$ gst-launch-1.0 --version
gst-launch-1.0 version 1.14.1
GStreamer 1.14.1
https://launchpad.net/distros/ubuntu/+source/gstreamer1.0

Distributor ID: Ubuntu
Description: Ubuntu 18.04.2 LTS
Release: 18.04
Codename: bionic

Thanks