rsonvif: How to render metadata using onvifmetadataoverlay?

[Daria Łach]

Hi Mathieu, many thanks for your response. I tried to use your sample.
Video was displayed but with no metadata.
I've got below error message:

thread '<unnamed>' panicked at 'attempt to multiply with overflow',
net\onvif\src\onvifmetadataoverlay\imp.rs:181:49
note: run with `RUST_BACKTRACE=1` environment variable to display a
backtrace
ERROR: from element
/GstPipeline:pipeline0/GstOnvifMetadataOverlay:onvifmetadataoverlay0:
Panicked: attempt to multiply with overflow
ERROR: from element
/GstPipeline:pipeline0/GstOnvifMetadataOverlay:onvifmetadataoverlay0:
Panicked
Execution ended after 0:00:09.016280700
Setting pipeline to NULL ...
ERROR: from element
/GstPipeline:pipeline0/GstOnvifMetadataOverlay:onvifmetadataoverlay0:
Panicked
ERROR: from element
/GstPipeline:pipeline0/GstOnvifMetadataParse:onvifmetadataparse0: GStreamer
encountered a general stream error.
Additional debug info:
net\onvif\src\onvifmetadataparse\imp.rs(1177):
gstrsonvif::onvifmetadataparse::imp::OnvifMetadataParse::src_start_task::{{closure}}
(): /GstPipeline:pipeline0/GstOnvifMetadataParse:onvifmetadataparse0:
Streaming stopped, reason: Error
ERROR: from element
/GstPipeline:pipeline0/GstOnvifMetadataOverlay:onvifmetadataoverlay0:
Panicked
ERROR: from element
/GstPipeline:pipeline0/GstOnvifMetadataOverlay:onvifmetadataoverlay0:
Panicked

Do you know what the reason can be?

Daria


pt., 8 wrz 2023 o 13:21 Mathieu Duponchelle <mathieu at centricular.com>
napisał(a):

> Hey, here's a sample from my bash history:
>
> gst-launch-1.0 onvifmetadatacombiner latency=500000000 name=omc !
> videoconvert ! onvifmetadataoverlay ! videoconvert ! autovideosink
> rtspsrc latency=500 add-reference-timestamp-meta=true location="XXX"
> name=src src. ! application/x-rtp, encoding-name=H264 ! rtph264depay !
> h264parse ! avdec_h264 ! omc.media src. ! rtponvifmetadatadepay !
> onvifmetadataparse ! omc.meta
>
> Cheers,
> Mathieu
>
> On Tue, 2023-09-05 at 15:57 +0200, Daria Łach via gstreamer-devel
> wrote:
> > Hello,
> >
> > I am creating an RTSP client which is going to display video and
> > metadata (as bounding boxes and some other text information) from an
> > IP camera supporting ONVIF profile M. I would like to use rsonvif
> > plugins.
> > I am able to display video as well as display/save metadata as XML
> > using for example:
> > gst-launch-1.0 rtspsrc location=rtsp:// user:password at ip/rtsp/xxxx
> > name=t t. ! queue ! application/x-rtp, media=video, clock-
> > rate=90000,encoding-name=H264 ! rtph264depay ! avdec_h264 !
> > videoconvert ! glimagesink sync=false t. ! queue ! application/x-rtp,
> > media=application ! filesink location=data.txt
> > I would like to use onvifmetadataoverlay to display metadata over
> > video but I don't know how to do it. Do you have any examples of
> > working pipelines with onvifmetadataoverlay?
> >
> > Many thanks!
>
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