gst_element_set_state blocks when setting GST_STATE_NULL when using vaapisink and QWidget

Nirbheek Chauhan nirbheek.chauhan at
Wed Nov 10 12:08:23 UTC 2021

On Wed, Nov 10, 2021 at 3:43 PM Viljar Hera <viljar.hera at> wrote:
> Well this does not tell me personally what is going on, but it seems something to do with the vaapi driver

Why are you using vaapisink, btw? With Qt you should be using qmlglsink.


More information about the gstreamer-devel mailing list