tree 18554b502a0b5946a972047751127a729c6ec960
parent 723a8a396f8bc535c0dee72c5bea914b82079c28
author Hui Su <huisu@google.com> 1582847196 -0800
committer Hui Su <huisu@google.com> 1583258654 +0000

Add is_chroma_ref flag in MACROBLOCKD

is_chroma_reference() is called many times during the encoding and
decoding process. Adding the is_chroma_ref flag in MACROBLOCKD saves
such repeated computations, and makes the code cleaner.

Change-Id: Iab918b884a281aee3d026104df15c1ed0c0d8e55