Why all elements in opencv plugin of gstreamer are not available?

[jeyp4]

As per  gstreameropencv plugin webpage
<https://gstreamer.freedesktop.org/documentation/opencv/index.html?gi-language=c>  
many elements should be available.

But I can see limited elements in my gstreamer package.
<http://gstreamer-devel.966125.n4.nabble.com/file/t379085/opencvGstreamer.jpg>
How can I make available rest of the elements Such as cameracalibrate,
cameraundistort, dewarp?



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Il 09/10/19 13:28, jeyp4 ha scritto:
> As per  gstreameropencv plugin webpage
> <https://gstreamer.freedesktop.org/documentation/opencv/index.html?gi-language=c>
> many elements should be available.
>
> But I can see limited elements in my gstreamer package.
> <http://gstreamer-devel.966125.n4.nabble.com/file/t379085/opencvGstreamer.jpg>
> How can I make available rest of the elements Such as cameracalibrate,
> cameraundistort, dewarp?

these elements are available in more recent GStreamer's versions, you
need to update to 1.16.x release to have both cameraundistort and
dewarp, you have 1.8.3

Nicola

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[Nicolas Dufresne-5]

Le mer. 9 oct. 2019 07 h 40, jeyp4 <[hidden email]> a écrit :

As per  gstreameropencv plugin webpage
<https://gstreamer.freedesktop.org/documentation/opencv/index.html?gi-language=c> 
many elements should be available.

But I can see limited elements in my gstreamer package.
<http://gstreamer-devel.966125.n4.nabble.com/file/t379085/opencvGstreamer.jpg>
How can I make available rest of the elements Such as cameracalibrate,
cameraundistort, dewarp?

Which version of GStreamer ? These two elements are relatively recent.

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[jeyp4]

Thanks Nicola.

If you know any reliable article which can tell me how to install latest
gstreamer in seperate directory, please let me know.

Thanks anyways. :)

-Jai



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Il 09/10/19 21:32, jeyp4 ha scritto:
> Thanks Nicola.
>
> If you know any reliable article which can tell me how to install latest
> gstreamer in seperate directory, please let me know.

Hi,

the old way is using gst-uninstalled

https://cgit.freedesktop.org/gstreamer/gstreamer/tree/scripts/create-uninstalled-setup.sh

the new way is gst-build

https://cgit.freedesktop.org/gstreamer/gst-build/

both works fine but you need an environment with build time dependencies
installed (*-dev packages on most distros)

Nicola

>
> Thanks anyways. :)
>
> -Jai
>
>
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