Video to stdout

lec1 lec at
Wed May 8 13:46:05 UTC 2019

Thanks for your reply Le vendredi. I am sorry I had not been able to reply
The pipeline example you provided worked when using it at the command prompt
but does not seem to work when embedding the first part of it on the Node.js

Since my source is an RTSP uri, I modified your example from the provided
pipeline (namely: 
> gst-launch-1.0 -q videotestsrc !
> video/x-raw,format=YUY2,width=640,height=480 ! fdsink 

gst-launch-1.0 -q uridecodebin uri=rtsp://192.168.1.x:8822/test.stm ! fdsink 
and here I agree with you that at the end of the pipleline there is a
continuous blob, however if I expand this to:
gst-launch-1.0 -q uridecodebin uri=rtsp://192.168.1.x:8822/test.stm !
video/x-raw,format=YUY2,width=640,height=480 ! fdsink | gst-launch-1.0 fdsrc
! rawvideoparse format=yuy2 width=640 height=480 framerate=0/1 !
videoconvert ! autovideosink sync=0 
The pipeline seems to stall.

The video server pipeline is similar to:
gst-launch-1.0 videotestsrc !
video/x-raw,width=640,height=480,framerate=30/1 ! timeoverlay
font-desc="calibri 75px" valignment=top halignment=center ! textoverlay
valignment=center halignment=center text="This is a test screen "
font-desc="calibri 75px" ! x264enc tune=zerolatency ! rtph264pay pt=96
name=pay0 config-interval=1 ...


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