I was wondering the same thing. I think it might be an internal custom job by Filmax. I found these storyboards when I searched
http://antoniosantamaria.blogspot.com/2006/03/storyboards-sleeping-beauty-fragile.html
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In the original version, Sleeping Beauty's mother-in-law tried to eat Sleeping Beauty and her children. I believe they banned it because of the cannibalism attempt. Also they punished the mother-in-law by placing her in a pit with snakes and alligators, which can give children nightmares.
If you go to youtube.com and search "Sleeping Beauty ballet" you will get many clips of different scenes...
Grimm, Perrault and Tchaikovsky ballet
There are 2 movies called Mirror Mirror (2012) and Sleeping Beauty. EDIT: There's also a "Sleeping Beauty" by Jetlag Productions.
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