VAAPI + clutter

[Víctor Jáquez]

On Wed, 10 Jan 2018 at 02:22, horai wrote:
> Dear all,
> 
> I am developing an application to visualize multiple streams. I have 4
> GtkWidgets  (grid of 4 GtkWidgets) displaying 4 video streams, upon click I
> want to maximize selected window and upon another click minimize back to 4
> Widget view.
> 
> I am developing it using Clutter-gtk and clutter-gst. It works the way I
> want in Clutter-gst-2.0, but I want to port it to clutter-gst-3.0 and
> utilize VAAPI hardware acceleration.
> The application works and it renders video to 4 Widgets upon start,
> unfortunately, upon click to get back to 4 grid view, the application
> crashes.

What's the backtrace?

> But when supplying this pipeline with avdec_h264 encoder instead of
> vaapih264dec, it runs perfectly:
>     gst_bin_add_many(GST_BIN(pipeline), videodepay, videoparse, videodec,
> videoconv, sink, NULL);
> 
> 
> Initially using vaapih264dec, the application quit with error:
> libGL error: failed to create drawable
> After supplying "intel" driver to xorg.conf, I no more experience this
> error, but the application still scrashes.
> I am running latest Debian with Gstreamer version 1.10.4-1 which should
> support VAAPI.

Can you upgrade to the current stable: 1.12?

> 
> There is also another way of rendering the video together with use of GTK
> and it is the OVERLAY approach which I was writing initially, it works but I
> wanted to take advantage of OpenGL clutter rendering because of my other
> applications written the same way.
> 
> Thank you very much
> Best regards,
> Ivo
> 
> 
> 
> 
> --
> Sent from: http://gstreamer-devel.966125.n4.nabble.com/
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