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Rupert Swarbrick authored
The first stage of the selfguided filter is to generate box sums of the input image (and its squares). This is done with a pair of integral images, which are the same for both calls in apply_selfguided_restoration. This patch refactors things so that av1_selfguided_restoration calculates both "flt" buffers, allowing it to reuse the integral images that it calculated. Change-Id: Ica2f6f66e41bea38eb1a135c78c1d7ddab434d8e
13927866