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  /external/chromium_org/third_party/webrtc/modules/audio_coding/codecs/isac/fix/source/
filters.c 99 int16_t data_vec[PITCH_FRAME_LEN]; local
102 memcpy(data_vec+1, in, WEBRTC_SPL_MUL_16_16(sizeof(int16_t), (N-1)));
105 data_vec[0] = (int16_t) WEBRTC_SPL_RSHIFT_W32(state_in[WEBRTC_SPL_MUL_16_16(2, ALLPASSSECTIONS)],16); //the z^(-1) state
110 AllpassFilterForDec32(data_vec+1, kApUpperQ15, N, state_in);
111 AllpassFilterForDec32(data_vec, kApLowerQ15, N, state_in+ALLPASSSECTIONS);
114 out[n] = WebRtcSpl_AddSatW16(data_vec[WEBRTC_SPL_MUL_16_16(2, n)],
115 data_vec[WEBRTC_SPL_MUL_16_16(2, n) + 1]);
  /external/chromium_org/third_party/webrtc/modules/audio_coding/codecs/isac/main/source/
filter_functions.c 223 double data_vec[PITCH_FRAME_LEN]; local
226 memcpy(data_vec+1, in, sizeof(double) * (N-1));
228 data_vec[0] = state_in[2*ALLPASSSECTIONS]; //the z^(-1) state
231 WebRtcIsac_AllpassFilterForDec(data_vec+1, APupper, N, state_in);
232 WebRtcIsac_AllpassFilterForDec(data_vec, APlower, N, state_in+ALLPASSSECTIONS);
235 out[n] = data_vec[2*n] + data_vec[2*n+1];

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