gl: Need KTX texture parser
Submitted by Julien Isorce @cap
Link to original bug (#723768)
Description
gst-launch-1.0 filesrc location=texture.ktx ! glktxparse ! glimagesink
See example1 here http://www.khronos.org/opengles/sdk/tools/KTX/ (ktxLoadTextureN)
Could inherit from GstBaseParse.
Need to figure out how to manage with GstVideoOverlayCompositionMeta