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/external/webrtc/webrtc/modules/audio_coding/codecs/isac/fix/source/
Dfilters.c66 static void AllpassFilterForDec32(int16_t *InOut16, //Q0 in AllpassFilterForDec32() argument
76 …a = WEBRTC_SPL_MUL_16_32_RSFT16(InOut16[n], APSectionFactors[j]); //Q0*Q31=Q31 shifted 16 gives Q15 in AllpassFilterForDec32()
82 FilterState[j] = WebRtcSpl_AddSatW32(a << 1, (uint32_t)InOut16[n] << 16); in AllpassFilterForDec32()
83 InOut16[n] = (int16_t)(b >> 16); // Save as Q0. in AllpassFilterForDec32()