[Bug 747352] applemedia: texture cache negotiation doesn't work

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=747352

--- Comment #26 from Alessandro Decina <alessandro.d at gmail.com> ---
(In reply to Ilya Konstantinov from comment #23)
> Alessandro, CC'ing you cause you're the last person to touch that.

Hi, sorry it took me a while to reply.


> I've attached patches for RGBA texture export. In your code you've had NV12
> textures hardcoded even in RGBA mode, which is a bug.
> 
> I proposed a fix, but I'll let more experienced people than me take over
> this now.

It's actually not a bug. When you negotiate RGBA with AVF it internally
produces NV12 and then converts to RGBA. The conversion is slower than ours
according to my profiling, so we get NV12 and then convert to RGBA ourselves
with GstGLColorConvert.

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