Commits
Hangyu Kuang committed 4cc7c5a17fd
Totally remove prev_mi in VP9 decoder. This will save the memory and improve the decode speed due to removing unnecessary memset of big prev_mi array for all the key frames. Decoding a all key frames 1080p video shows speed improve around 2%. Change-Id: I6284a445c1291056e3c15135c3c20d502f791c10