Gstreamer Vaapi and OpenCL

Sreerenj Balachandran bsreerenj at
Wed Oct 7 08:14:19 PDT 2015

On Wed, Oct 7, 2015 at 1:08 PM, Víctor M. Jáquez L. <vjaquez at> wrote:
> Hi,
> On 10/04/15 at 02:20am, puneet wrote:
>> I have been using Vaapi drivers to do hardware encoding and decoding of
>> video on Ubuntu running on Intel x86.  However, I find that if I use OpenCL
>> (via OpenCV), the entire system hangs or I get a userptr free error from
>> i965  My question is whether OpenCL and Vaapi can coexist.  Is
>> there are a way to make them work together?

In theory, it should work,,
Would be good if you can provide more information about the
pipeline(or usage scenario),,,,
And yes, libva mailing list could be better choice :)

> I haven't tried OpenCL by myself, but I can recommend you to ask this question
> in libva's mailing list:
> libva at
> vmjl
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at


Sreerenj Balachandran
Intel Open Source Technology Center

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