Searched defs:B2 (Results 1 - 4 of 4) sorted by relevance

/frameworks/av/media/libeffects/lvm/lib/Common/src/
H A DFilters.h34 * Biquad with coefficients A0, A1, A2, B1 and B2 coefficients
43 LVM_INT16 B2; member in struct:__anon178
/frameworks/av/media/libeffects/lvm/lib/Common/lib/
H A DBIQUAD.h48 LVM_INT16 B2; /* -b2! */ member in struct:__anon153
57 LVM_INT32 B2; /* -b2! */ member in struct:__anon154
89 LVM_INT16 B2; /* -b2! */ member in struct:__anon158
96 LVM_INT32 B2; /* -b2! */ member in struct:__anon159
104 LVM_INT16 B2; /* -b2! */ member in struct:__anon160
112 LVM_INT32 B2; /* -b2! */ member in struct:__anon161
/frameworks/av/media/libeffects/lvm/lib/Eq/src/
H A DLVEQNB_CalcCoef.c73 /* 3. The value of the B2 coefficient is only calculated as a single precision value, */
104 LVM_INT32 B2; local
128 * Calculate the B2 coefficient
133 B2 = (B2_Num / (B2_Den >> 16)) << 15;
155 B1 = (0x40000000 - B2); /* B1 = (0.5 - b2/2) */
158 A0 = (0x40000000 + B2) >> 1; /* A0 = (0.5 + b2) */
165 pCoefficients->B2 = B2;
235 LVM_INT32 B2; local
259 * Calculate the B2 coefficien
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/frameworks/av/media/libeffects/lvm/lib/SpectrumAnalyzer/src/
H A DLVPSA_Control.c479 LVM_INT32 B2; local
506 * Calculate the B2 coefficient
511 B2 = (B2_Num / (B2_Den >> 16)) << 15;
531 B1 = ((0x40000000 - B2) >> 16) * (COS_T0 >> 16); /* B1 = (0.5 - b2) * cos(t0) */
532 A0 = (0x40000000 + B2) >> 1; /* A0 = (0.5 + b2) / 2 */
539 pCoefficients->B2 = (LVM_INT16)(B2>>16);
579 /* 3. The value of the B2 coefficient is only calculated as a single precision value, */
602 LVM_INT32 B2; local
628 * Calculate the B2 coefficien
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