png_read_filter_row_avg4_neon 127 arm/arm_init.c pp->read_filter[PNG_FILTER_VALUE_AVG-1] = png_read_filter_row_avg4_neon; png_read_filter_row_avg4_neon 1204 pngpriv.h PNG_INTERNAL_FUNCTION(void,png_read_filter_row_avg4_neon,(png_row_infop