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Rupert Swarbrick authored
In the bitstream in bug 709, the frame has a width of 13318 mi units. This rounds up to 13328 mi units (when rounding to a whole number of max superblocks) but then the shift right by log2_tile_cols gives floor(13328/32) = floor(416.5) = 416. Of course 32*416 = 13312 which is less than 13318. This patch moves the <mi_cols, log2_tile_cols> -> tile_width calculation (and the equivalent calculation for tile_height) into a common function which gets the rounding right. BUG=aomedia:709 Change-Id: If5e8e6b7a3c6f3d336cda9edd94a17595eaf5406
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