Missing element: VND.ONVIF.METADATA RTP depayloader

Auslands-KV auslands-kv at gmx.de
Tue May 27 07:00:03 PDT 2014


I should maybe add the following information:

This pipeline also works perfectly:

gst-launch -v rtspsrc location=rtsp://172.17.4.215:554/h264_2 !
rtph264depay ! ffdec_h264  ! autovideosink

So, rtph264depay seems to work as "VND.ONVIF.METADATA RTP depayloader".
Now, how can I instruct "typefind" to identify this depayloader? Or is
this the wrong way?

Michael

Am 27.05.2014 15:31, schrieb Auslands-KV:
> Hello
>
> I am trying to build an application that also displays streaming video
> from cameras. I use Qt5 which uses the "playbin" element to construct
> the pipeline.
>
> Playbin, however, has problems with the sdp file it gets from the IP cameras I have:
>
> /GstPlayBin:playbin0/GstURIDecodeBin:uridecodebin0/GstDecodeBin:decodebin2/GstTypeFindElement:typefind.GstPad:src:
> caps = application/x-rtp, media=(string)application, payload=(int)107,
> clock-rate=(int)90000, encoding-name=(string)VND.ONVIF.METADATA,
> a-tool=(string)"LIVE555\ Streaming\ Media\ v2010.04.09",
> a-type=(string)broadcast, x-qt-text-nam=(string)"Session\ streamed\ by\
> \"nessyMediaServer\"", x-qt-text-inf=(string)h264,
> clock-base=(uint)2389153790, seqnum-base=(uint)26906,
> npt-start=(guint64)0, play-speed=(double)1, play-scale=(double)1
> Missing element: VND.ONVIF.METADATA RTP depayloader
>
> I get this with two different IP cams (ENEO and Geovision). Both claim
> to follow the Onvif standard.
>
> I can decode the stream if I manually construct the pipeline like this
>
> gst-launch rtspsrc location=rtsp://192.168.1.11:554/h264 ! decodebin2 !
> autovideosink
>
> How can I get "playbin" to correctly play these streams, so that I can
> use these in Qt5?
>
> I should add that I tested this in gstreamer-0.10 and gestreamer-1.0. I prefer 0.10 as Qt uses this.
>
> Also, I build from source in Yocto, so if there is a simple patch to make it recognize the stream, I can apply it.
>
> Thanks a lot
>
> Michael
>
>
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