Searched defs:fac (Results 1 - 7 of 7) sorted by relevance

/frameworks/av/media/libstagefright/codecs/amrnb/common/src/
H A Dweight_a.cpp101 fac = Spectral expansion factors (Word16)
121 a_exp[i] = a[i] * fac[i-1] ; i=1..M
138 const Word16 fac[], // (i) : Spectral expansion factors.
147 a_exp[i] = pv_round (L_mult (a[i], fac[i - 1]));
177 const Word16 fac[], /* (i) : Spectral expansion factors. */
189 fac += 1;
190 *(a_exp) = (Word16)((((Word32) * (a)) * *(fac - 1)
175 Weight_Ai( Word16 a[], const Word16 fac[], Word16 a_exp[] ) argument
/frameworks/av/media/libstagefright/codecs/amrwb/src/
H A Dweight_amrwb_lpc.cpp123 int16 i, fac; local
126 fac = gamma;
129 ap[i] = (int16)(fxp_mac_16by16(a[i], fac, roundFactor) >> 15);
130 fac = (int16)(fxp_mac_16by16(fac, gamma, roundFactor) >> 15);
132 ap[i] = (int16)(fxp_mac_16by16(a[i], fac, roundFactor) >> 15);
H A Dsynthesis_amr_wb.cpp150 int16 i, fac, exp; local
308 fac = div_16by16(tmp, ener);
312 fac = 0;
316 gain1 = 32767 - fac;
385 weight_amrwb_lpc(HfA, Ap, 29491, M16k); /* fac=0.9 */
399 weight_amrwb_lpc(Aq, Ap, 19661, M); /* fac=0.6 */
H A Dpvamrwbdecoder.cpp322 int16 fac, stab_fac, voice_fac, Q_new = 0; local
1003 fac = mult_int16(stab_fac, tmp);
1027 L_gain_code = fxp_mul32_by_16b(L_gain_code, (32767 - fac)) << 1;
1030 L_gain_code = add_int32(L_gain_code, fxp_mul32_by_16b(L_tmp, fac) << 1);
/frameworks/av/media/libstagefright/codecs/amrwbenc/src/
H A Dweight_a.c35 Word32 num = m - 1, fac; local
37 fac = gamma;
39 *ap++ =(Word16)(((vo_L_mult((*a++), fac)) + 0x8000) >> 16);
40 fac = (vo_L_mult(fac, gamma) + 0x8000) >> 16;
43 *ap++ = (Word16)(((vo_L_mult((*a++), fac)) + 0x8000) >> 16);
H A Ddeemph.c92 Word16 fac; local
95 fac = mu >> 1; /* Q15 --> Q14 */
100 L_tmp += ((*mem) * fac)<<1;
109 L_tmp += (y[i - 1] * fac)<<1;
H A DvoAMRWBEnc.c210 Word16 stab_fac, fac, gain_code_lo; local
1250 fac = vo_mult(stab_fac, tmp);
1269 L_gain_code = Mpy_32_16(gain_code, gain_code_lo, (32767 - fac));
1271 L_gain_code = vo_L_add(L_gain_code, Mpy_32_16(gain_code, gain_code_lo, fac));
1343 Word16 fac, tmp, exp; local
1460 fac = div_s(tmp, ener);
1463 fac = 0;
1467 gain1 = 32767 - fac;
1494 Weight_a(Aq, Ap, 19661, M); /* fac=0.6 */

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