Cross Reference: /frameworks/base/media/libstagefright/codecs/aacdec/sbr_generate_high

Lines Matching refs:ac
488     struct ACORR_COEFS ac;
505         calc_auto_corr_LC(&ac,
510         if (ac.r11r && ac.det)
513             pv_div(ac.r01r, ac.r11r, &quotient);
567              *   alphar[1][loBand] = ( ac.r01r * ac.r12r - ac.r02r * ac.r11r ) / ac.det;
570             temp1  = -fxp_mul32_Q30(ac.r02r, ac.r11r);
571             temp1  =  fxp_mac32_Q30(ac.r01r, ac.r12r, temp1);
573             temp2 = ac.det;
585                 pv_div(temp1, ac.det, &quotient);
602                  *  alphar[0][loBand] = - ( ac.r01r + alphar[1][loBand] * ac.r12r ) / ac.r11r;
605                 pv_div(ac.r12r, ac.r11r, &quotient);
809     struct ACORR_COEFS ac;
819         calc_auto_corr(&ac,
828         if (ac.det < 1)
840             temp1r =  fxp_mul32_Q29(ac.r01r, ac.r12r);
841             temp1r =  fxp_msu32_Q29(ac.r01i, ac.r12i, temp1r);
842             temp1r =  fxp_msu32_Q29(ac.r02r, ac.r11r, temp1r);
844             temp1i =  fxp_mul32_Q29(ac.r01r, ac.r12i);
845             temp1i =  fxp_msu32_Q29(ac.r02i, ac.r11r, temp1i);
846             temp1i =  fxp_mac32_Q29(ac.r01i, ac.r12r, temp1i);
848             pv_div(temp1r, ac.det, &quotient);
851             pv_div(temp1i, ac.det, &quotient);
860         if (ac.r11r == 0)
870             temp0r = - (ac.r01r + fxp_mul32_Q28(temp1r, ac.r12r) + fxp_mul32_Q28(temp1i, ac.r12i));
871             temp0i = - (ac.r01i + fxp_mul32_Q28(temp1i, ac.r12r) - fxp_mul32_Q28(temp1r, ac.r12i));
873             pv_div(temp0r, ac.r11r, &quotient);
876             pv_div(temp0i, ac.r11r, &quotient);
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