Searched refs:cthQ15 (Results 1 – 1 of 1) sorted by relevance
| /external/webrtc/webrtc/modules/audio_coding/codecs/isac/fix/source/ |
| D | lattice.c | 98 int16_t cthQ15[MAX_AR_MODEL_ORDER]; in WebRtcIsacfix_NormLatticeFilterMa() local
128 WebRtcSpl_SqrtOfOneMinusXSquared(sthQ15, orderCoef, cthQ15); in WebRtcIsacfix_NormLatticeFilterMa()
137 … gain32 = WEBRTC_SPL_MUL_16_32_RSFT15(cthQ15[k], gain32); //Q15*Q(17+gain_sh)>>15 = Q(17+gain_sh) in WebRtcIsacfix_NormLatticeFilterMa()
138 … inv_cthQ16[k] = WebRtcSpl_DivW32W16((int32_t)2147483647, cthQ15[k]); // 1/cth[k] in Q31/Q15 = Q16 in WebRtcIsacfix_NormLatticeFilterMa()
169 tmp32 = WEBRTC_SPL_MUL_16_32_RSFT15(cthQ15[i-1], stateGQ15[i-1]); //Q15*Q15>>15 = Q15 in WebRtcIsacfix_NormLatticeFilterMa()
182 WebRtcIsacfix_FilterMaLoopFix(sthQ15[k], cthQ15[k], inv_cthQ16[k], in WebRtcIsacfix_NormLatticeFilterMa()
225 int16_t cthQ15[MAX_AR_MODEL_ORDER]; in WebRtcIsacfix_NormLatticeFilterAr() local
253 WebRtcSpl_SqrtOfOneMinusXSquared(sthQ15, orderCoef, cthQ15); in WebRtcIsacfix_NormLatticeFilterAr()
264 tmp32 = WEBRTC_SPL_MUL_16_32_RSFT15(cthQ15[k], tmp32); // Q15*Q27>>15 = Q27 in WebRtcIsacfix_NormLatticeFilterAr()
287 tmp32 = (cthQ15[i - 1] * ARfQ0vec[0] - sthQ15[i - 1] * stateGQ0[i - 1] + in WebRtcIsacfix_NormLatticeFilterAr()
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