Buffer pool activation failed

[Nicolas Dufresne]

Le ven. 15 mai 2020 22 h 15, Olivier SCHMITT <sc.olivier at gmail.com> a
écrit :

> Hello Dear gstreamer-devel Team members.
>
> First I hope your are safe in actual situation...
>
> I plan to use gstreamer to stream an usb webcam in a html webpage for my
> robot.
>
> I try this: (found at https://gist.github.com/tetkuz/0c038321d05586841897)
>
>
> gst-launch-1.0 v4l2src device=/dev/video0 ! videoconvert ! videoscale !
> video/x-raw,width=320,height=240 ! clockoverlay shaded-background=true
> font-desc="Sans 38" ! theoraenc ! oggmux ! tcpserversink host=127.0.0.1
> port=8080
>
> I am on raspbian lite buster and raspberry pi 3.
>
> I get this error:
>
>
> Setting pipeline to PAUSED ...
> Pipeline is live and does not need PREROLL ...
> Setting pipeline to PLAYING ...
> New clock: GstSystemClock
> ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Failed
> to allocate required memory.
> Additional debug info:
> gstv4l2src.c(658): gst_v4l2src_decide_allocation ():
> /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
> Buffer pool activation failed
> Execution ended after 0:00:00.320829913
> Setting pipeline to PAUSED ...
> Setting pipeline to READY ...
> Setting pipeline to NULL ...
> Freeing pipeline ...
>
>
> Can you help me?
>

Try increasing the log level, like with GST_DEBUG="v4l2*:7,3" env. If you
don't find anything specific, it might be a driver bug, you'd have to seek
support from the RPi community.


> Thanks
>
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> gstreamer-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>
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