[Bug 764545] Crash when trying to use vulkan sink

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=764545

--- Comment #8 from Armin K. <krejzi at email.com> ---
Hmm, the problem could be in something else then.

When testing the plugin with the same command from the original post, on
gstreamer-1.8.0 + 2 vulkan patches referenced in Comment 5, I get the
following:

$ gst-launch-1.0 videotestsrc ! vulkanupload ! vulkansink
Setting pipeline to PAUSED ...
anv_device.c:425: FINISHME: Get correct values for VkPhysicalDeviceLimits
anv_device.c:425: FINISHME: Get correct values for VkPhysicalDeviceLimits
anv_device.c:425: FINISHME: Get correct values for VkPhysicalDeviceLimits
anv_device.c:425: FINISHME: Get correct values for VkPhysicalDeviceLimits
Pipeline is PREROLLING ...
Got context from element 'vulkansink0': gst.vulkan.instance=context,
gst.vulkan.instance=(GstVulkanInstance)"\(GstVulkanInstance\)\
vulkaninstance0";
Got context from element 'vulkansink0': gst.vulkan.display=context,
gst.vulkan.display=(GstVulkanDisplay)"\(GstVulkanDisplayXCB\)\
vulkandisplayxcb0";
ERROR: from element /GstPipeline:pipeline0/GstVideoTestSrc:videotestsrc0:
Internal data flow error.
Additional debug info:
gstbasesrc.c(2948): void gst_base_src_loop(GstPad *) ():
/GstPipeline:pipeline0/GstVideoTestSrc:videotestsrc0:
streaming task paused, reason not-negotiated (-4)
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
Freeing pipeline ...

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