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/aosp12/packages/modules/ExtServices/native/pHash/
H A Dphash_fingerprinter.cpp36 Array2D<int16_t> dct_out(dct_buf_); in GenerateFingerprint() local
39 dct.ForwardTransform2D(dct_in, &dct_out); in GenerateFingerprint()
46 total += dct_out(x, y); in GenerateFingerprint()
50 total -= dct_out(0, 0); in GenerateFingerprint()
62 fingerprint |= (dct_out(x, y) > average ? 1 : 0); in GenerateFingerprint()