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Jingning Han authored
When the lower bound of a transform block rate-distortion cost is above the current best rd cost, the only possibility that this particular coding mode will be chosen is to fall back to all skip mode. Hence there is no need to estimate the transform block rate cost, distortion, etc. Obtain the sum of squared distance between the prediction and the source would be sufficient. This speeds up the encoding process by 5% - 10%. Change-Id: I728728c3a42aafefd34641f0be69b3e2a9b9bbb2
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