[Bug 727886] GstVideoGLTextureUploadMeta assumes no color conversion is done during upload

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=727886
  GStreamer | gst-plugins-base | git

--- Comment #12 from Nicolas Dufresne <nicolas.dufresne at collabora.co.uk> 2014-04-10 14:48:24 UTC ---
As Sebastian reminded me that gst_query_add_allocation_meta() has a params
structure. Downstream could expose the formats it supports, in a way that if
adding UploadMeta requires resources, the producer could avoid it by comparing
the supported format against downstream supported formats. The idea again is
that you have the information to make decision, but not having the UploadMeta
in that descriptive case is never fatal.

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