Cross Reference: /external/aac/libSBRenc/src/ton

Lines Matching refs:ac
149   C_ALLOC_SCRATCH_START(ac, ACORR_COEFS, 1);
212       autoCorrScaling += autoCorr2nd_cplx ( ac, realBuf+k, imagBuf+k, blockLength );
215       if(ac->det == FL2FXCONST_DBL(0.0f)){
218         alphar[0] = (ac->r01r)>>2;
219         alphai[0] = (ac->r01i)>>2;
221         fac = fMultDiv2(ac->r00r, ac->r11r)>>1;
224         alphar[1] = (fMultDiv2(ac->r01r, ac->r12r)>>1) - (fMultDiv2(ac->r01i, ac->r12i)>>1) - (fMultDiv2(ac->r02r, ac->r11r)>>1);
225         alphai[1] = (fMultDiv2(ac->r01i, ac->r12r)>>1) + (fMultDiv2(ac->r01r, ac->r12i)>>1) - (fMultDiv2(ac->r02i, ac->r11r)>>1);
227         alphar[0] = (fMultDiv2(ac->r01r, ac->det)>>(ac->det_scale+1)) + fMult(alphar[1], ac->r12r) + fMult(alphai[1], ac->r12i);
228         alphai[0] = (fMultDiv2(ac->r01i, ac->det)>>(ac->det_scale+1)) + fMult(alphai[1], ac->r12r) - fMult(alphar[1], ac->r12i);
230         fac = fMultDiv2(ac->r00r, fMult(ac->det, ac->r11r))>>(ac->det_scale+1);
244         num = fMultDiv2(alphar[0], ac->r01r) + fMultDiv2(alphai[0], ac->r01i) - fMultDiv2(alphar[1], fMult(ac->r02r, ac->r11r)) - fMultDiv2(alphai[1], fMult(ac->r02i, ac->r11r));
274         if (ac->r11r != FL2FXCONST_DBL(0.0f)) {
275           if (  ( (ac->r01r >= FL2FXCONST_DBL(0.0f) ) && ( ac->r11r >= FL2FXCONST_DBL(0.0f) ) )
276               ||( (ac->r01r <  FL2FXCONST_DBL(0.0f) ) && ( ac->r11r <  FL2FXCONST_DBL(0.0f) ) )  ) {
296       nrgVector[timeIndex] += ((ac->r00r) >> fixMin(DFRACT_BITS-1,(2*qmfScale+autoCorrScaling + SCALE_NRGVEC)));
298       pNrgVectorFreq[r] = pNrgVectorFreq[r] + ((ac->r00r) >> fixMin(DFRACT_BITS-1,(2*qmfScale+autoCorrScaling + SCALE_NRGVEC)));
308   C_ALLOC_SCRATCH_END(ac, ACORR_COEFS, 1);