Onvif backchannel

Stefan Ulbrich stefan.ulbrich at acceptto.com
Thu Aug 9 19:48:28 UTC 2018


Thanks Sebastian

I increased the debug level and that is the output. A weird observation is
that right before the closed connection,
the buffer is pushed 5 times in a row. Before, that the debug messages were
regular with but non successive.
Do I have any method of influencing how the buffer behaves? It is well
possible that the camera has only a limited buffer size.

Cheers
Stefan

rtspsrc gstrtspsrc.c:4944:gst_rtspsrc_handle_data:<r> [00m pushing data of
size 455 on channel 0
rtspsrc gstrtspsrc.c:5135:gst_rtspsrc_loop_interleaved:<r> [00m doing
receive with timeout 52 seconds, 600977 usec
rtspsrc gstrtspsrc.c:2882:gst_rtspsrc_push_backchannel_buffer:<r> [00m
sending 1036 bytes backchannel RTP
rtspsrc gstrtspsrc.c:2884:gst_rtspsrc_push_backchannel_buffer:<r> [00m sent
backchannel RTP, 0
rtspsrc gstrtspsrc.c:2882:gst_rtspsrc_push_backchannel_buffer:<r> [00m
sending 1036 bytes backchannel RTP
rtspsrc gstrtspsrc.c:2884:gst_rtspsrc_push_backchannel_buffer:<r> [00m sent
backchannel RTP, 0
rtspsrc gstrtspsrc.c:2882:gst_rtspsrc_push_backchannel_buffer:<r> [00m
sending 1036 bytes backchannel RTP
rtspsrc gstrtspsrc.c:2884:gst_rtspsrc_push_backchannel_buffer:<r> [00m sent
backchannel RTP, 0
rtspsrc gstrtspsrc.c:2882:gst_rtspsrc_push_backchannel_buffer:<r> [00m
sending 1036 bytes backchannel RTP
rtspsrc gstrtspsrc.c:2884:gst_rtspsrc_push_backchannel_buffer:<r> [00m sent
backchannel RTP, 0
rtspsrc gstrtspsrc.c:2882:gst_rtspsrc_push_backchannel_buffer:<r> [00m
sending 1036 bytes backchannel RTP
rtspsrc gstrtspsrc.c:2884:gst_rtspsrc_push_backchannel_buffer:<r> [00m sent
backchannel RTP, 0
   rtspsrc gstrtspsrc.c:5212:gst_rtspsrc_loop_interleaved:<r> [00m error:
Could not receive message. (System error
rtspsrc gstrtspsrc.c:5632:gst_rtspsrc_loop:<r> [00m pausing task, reason
error
   rtspsrc gstrtspsrc.c:5649:gst_rtspsrc_loop:<r> [00m error: Internal data
stream error.
   rtspsrc gstrtspsrc.c:5649:gst_rtspsrc_loop:<r> [00m error: streaming
stopped, reason error (-5)
rtspsrc gstrtspsrc.c:5563:gst_rtspsrc_loop_send_cmd:<r> [00m sending cmd
WAIT
rtspsrc gstrtspsrc.c:5581:gst_rtspsrc_loop_send_cmd:<r> [00m cancel
previous request LOOP
rtspsrc gstrtspsrc.c:5589:gst_rtspsrc_loop_send_cmd:<r> [00m connection
flush busy LOOP
rtspsrc gstrtspsrc.c:4744:gst_rtspsrc_connection_flush:<r> [00m set
flushing 1
rtspsrc gstrtspsrc.c:4747:gst_rtspsrc_connection_flush:<r> [00m connection
flush
rtspsrc gstrtspsrc.c:2882:gst_rtspsrc_push_backchannel_buffer:<r> [00m
sending 1036 bytes backchannel RTP
rtspsrc gstrtspsrc.c:2884:gst_rtspsrc_push_backchannel_buffer:<r> [00m sent
backchannel RTP, -3

On Thu, Aug 9, 2018 at 9:39 AM Sebastian Dröge <sebastian at centricular.com>
wrote:

> On Wed, 2018-08-08 at 21:04 +0200, Stefan Ulbrich wrote:
> > Hi
> >
> > I am running the test-onvif.c example in plugins-good on an allegedly
> > compatible onvif camera.
> > The test sound is passed to the camera and played for approx. 1
> > second and then ceases.
> > Run with debug level 3, I receive the following error messages.
> > Unfortunately, I do not know how to debug the problem further.
> > What could be the cause for the interruption and are there settings I
> > could tune to have continued playback?
>
> More log details would be needed but this error most likely means that
> the server closed the connection for whatever reason.
>
> --
> Sebastian Dröge, Centricular Ltd · http://www.centricular.com
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>
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