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/system/media/audio_utils/include/audio_utils/
DBiquadFilter.h146 const D xn = *input + delta; in biquad_filter_1fast() local
148 const D xn = *input; in biquad_filter_1fast()
150 D yn = (OCCUPANCY >> 0 & 1) * b0 * xn + s1n1; in biquad_filter_1fast()
151 s1n1 = (OCCUPANCY >> 1 & 1) * b1 * xn + (OCCUPANCY >> 3 & 1) * negativeA1 * yn + s2n1; in biquad_filter_1fast()
152 s2n1 = (OCCUPANCY >> 2 & 1) * b2 * xn + (OCCUPANCY >> 4 & 1) * negativeA2 * yn; in biquad_filter_1fast()
224 T xn = vld1<T>(input); in biquad_filter_neon_impl() local
228 yn = vmla(yn, b0, xn); in biquad_filter_neon_impl()
235 s1 = vmla(s1, b1, xn); in biquad_filter_neon_impl()
238 s2 = vmul(b2, xn); in biquad_filter_neon_impl()