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Rupert Swarbrick authored
Before this patch, if CONFIG_DUAL_FILTER was true then an MB_MODE_INFO stored its filter choices as an array of four numbers, each of which was between 0 and 10. It also seems that elements 2 and 3 of the array were always the same as elements 0 and 1 when used. This patch defines a new type(def) called InterpFilters together with constructor and extractor functions. When CONFIG_DUAL_FILTER is zero, InterpFilters is a synonym for InterpFilter and the constructor and extractor functions should compile away to nothing. When it is nonzero, InterpFilters is a uint32_t which stores the x filter in the high part and the y filter in the low part (this looks strange, but matches the old numbering). Making this change allows us to get rid of lots of special case code that was dependent on CONFIG_DUAL_FILTER. The uniform extract/make/broadcast interface also actually shortens code in general. Change-Id: I6b24a61bac3e4b220d8d46d0b27cfe865dcfba81
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