ref: a517343ca33edebadd963485abdd1a2cacda7df6
parent: 78fbb10642375b49ebf9d5d92901ff77a1129a08
author: Jingning Han <jingning@google.com>
date: Fri Sep 20 12:29:24 EDT 2013
Enable per transformed block zero coeffs forcing This commit enables forcing all coefficients zero per transformed block, when its rate-distortion cost is lower than regular coeff quantization. The overall performance improvement (including its parent patch on calculating rd cost per transformed block) at speed 1: derf: 0.298% yt: 0.452% hd: 0.741% stdhd: 0.006% Change-Id: I66005fe0fd7af192c3eba32e02fd6d77952accb5