Why is ffmpeg and vlc able run RTSP stream but gstreamer is unable to?

[Boss Bibu]

Hello Sebastian

Thank you for your reply.

I managed to solve the strange udp uri error but now is met with another.

0:00:00.220397000  6920 0000015C41B553C0 WARN            multiudpsink
gstmultiudpsink.c:1229:gst_multiudpsink_configure_client:<udpsink1> error:
Invalid address family (got 23)
0:00:00.232199000  6920 0000015C41B553C0 WARN                basesink
gstbasesink.c:5879:gst_base_sink_change_state:<udpsink1> error: Failed to
start
0:00:00.241639000  6920 0000015C41B553C0 WARN            multiudpsink
gstmultiudpsink.c:1229:gst_multiudpsink_configure_client:<udpsink0> error:
Invalid address family (got 23)
0:00:00.255687000  6920 0000015C41B553C0 WARN                basesink
gstbasesink.c:5879:gst_base_sink_change_state:<udpsink0> error: Failed to
start

How do I make sense of this?

Best Regards
Hogan

On Sat, 26 Feb 2022, 18:19 Sebastian Dröge, <sebastian at centricular.com>
wrote:

> On Sat, 2022-02-26 at 10:53 +0800, Boss Bibu via gstreamer-devel wrote:
> > Hello all,
> > When executing this command (gst-launch-1.0 rtspsrc location=rtsp://-
> > -- --gst-debug=3) I get this output:
> > image.png
> > Not sure how to make sense of this because my RTSP stream is sending
> > via TCP. Also, this rtsp stream works when launched on ffmpeg and
> > vlc.
> > Any help is much appreciated! Apologies if this is the wrong place to
> > be asking such question.
>
> That UDP URI looks a bit suspicious. Either the server sends something
> strange or we're failing to properly construct/parse the UDP location.
>
> Can you create an issue with
>   - a wireshark capture of a connection attempt with GStreamer and
>     separately with VLC?
>   - a debug log of that same run with GST_DEBUG=6
>
>
> FWIW, this is clearly trying to start streaming media via UDP so there
> might be something else wrong along the way too.
>
>
> Thanks!
> --
> Sebastian Dröge, Centricular Ltd · https://www.centricular.com
>
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