On 2022-03-03 02:53, rouba zeitoun wrote:
Dear USRP experts
I am currently working on a project that consists of sending live
stream video from one SDR to another with GNURadio (on the transmitter
side I am using USRP N210 and on the receiver i am using hackrf). I am
also using Gstreamer to create a pipeline between 2 computers.
Unfortunately, I am repetitively facing the same problem where after
30 sec a message pops up
*" WARNING debug information: gstbasesink.c(2902):
gst_base_sink_is_too_late ():
/GstPlayBin:playbin/GstPlaySink:playsink/GstBin:vbin/GstXvImageSink:xvimagesink0:*
*There may be a timestamping problem, or this computer is too slow "*
and the receiver stops receiving the video. I tried decreasing the
bitrate which allowed longer sending time but it still stops after a
while.
What advice can you give me to solve this problem?
the commands i used on terminals are:
*for Tx:* gst-launch-1.0 -v v4l2src device="/dev/video0" !
videoconvert ! x264enc tune=zerolatency bitrate=300 ! mpegtsmux !
filesink location=video1.ts
*for Rx:* gst-play-1.0 video3.ts
Thank you in advance !
Your issue is clearly with a piece of software called "gst-launch",
which is not related directly to UHD or USRPs, so I'd suggest
asking the good folks who support "gst-launch".
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