'GStreamer doesn't show video over an udp stream connection

Following a tutorial in Portuguese on Youtube, executed commands were:

Source:

gst-launch-1.0 videotestsrc \
! decodebin \
! x264enc \
! rtph264pay \
! udpsink host=localhost port=7001

Sink:

gst-launch-1.0 \
udpsrc port=7001 caps = "application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, payload=(int)96" \
! rtph264depay \
! decodebin \
! videoconvert \
! autovideosink

And it worked for him, a video was displayed over udp connection, in my case it doesn't show anything.

Results:

Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Got context from element 'autovideosink0': gst.gl.GLDisplay=context, gst.gl.GLDisplay=(GstGLDisplay)"\(GstGLDisplayX11\)\ gldisplayx11-0";
Setting pipeline to PLAYING ...
New clock: GstSystemClock

Running in an Ubuntu 20.04 fresh installed.

gstreamer

Sources

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Source: Stack Overflow

Solution	Source

'GStreamer doesn't show video over an udp stream connection

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