tree 5feecaccf6d369faa33e7dd628df050edc429efe
parent c2f6a7df8d500ba540503d042dc1dbc519a2a873
author hui su <huisu@google.com> 1446250549 -0700
committer hui su <huisu@google.com> 1446488810 -0800

Generate intra prediction reference values only when necessary

This can help increase encoding speed substantially.

Change-Id: Id0c009146e6e74d9365add71c7b10b9a57a84676