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Deb Mukherjee authored
Added a new expt rect-tx to be used in conjunction with ext-tx. [rect-tx is a temporary config flag and will eventually be merged into ext-tx once it works correctly with all other experiments]. Added 4x8 and 8x4 tranforms for use initially with rectangular sub8x8 y blocks as part of this experiment. There is about a -0.2% BDRATE improvement on lowres, others pending. When var-tx is on rectangular transforms are currently not used. That will be enabled in a subsequent patch. Change-Id: Iaf3f88ede2740ffe6a0ffb1ef5fc01a16cd0283a
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