[Bug 765039] [AVC][decode] Failed to configure the buffer pool.

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=765039

--- Comment #3 from Víctor Manuel Jáquez Leal <vjaquez at igalia.com> ---
In my staging branch [1] I have a commit [2] which honours the negotiated color
format and fixes this case, using vaapisink (memory:VASurface) because the
color format is hidden by the VA surface.

But, when linking to a ximagesink, the drivers tries to convert from GRAY8 to
NV12 (which is the negotiated color format, because GRAY8 is not exposed in the
caps template), and it fails: there is not a code path for this conversion in
the intel driver.

Though, I found a bug in my staging branch: it should not remove the requested
surface format. I'm reworking it.

My staging branch aims to fix bug 752958 in a sensible way.


1. https://github.com/ceyusa/gstreamer-vaapi/commits/staging
2. https://github.com/ceyusa/gstreamer-vaapi/commit/f39c7620

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