Cross Reference: /external/webrtc/webrtc/modules/audio_processing/aec/aec

Lines Matching refs:fft
221   float fft[PART_LEN2];
234       fft[2 * j] = MulRe(x_fft_buf[0][xPos + j],
238       fft[2 * j + 1] = MulIm(x_fft_buf[0][xPos + j],
243     fft[1] = MulRe(x_fft_buf[0][xPos + PART_LEN],
248     aec_rdft_inverse_128(fft);
249     memset(fft + PART_LEN, 0, sizeof(float) * PART_LEN);
251     // fft scaling
255         fft[j] *= scale;
258     aec_rdft_forward_128(fft);
260     h_fft_buf[0][pos] += fft[0];
261     h_fft_buf[0][pos + PART_LEN] += fft[1];
264       h_fft_buf[0][pos + j] += fft[2 * j];
265       h_fft_buf[1][pos + j] += fft[2 * j + 1];
287     // Ooura fft returns incorrect sign on imaginary component. It matters here
384 // Window time domain data to be used by the fft.
394 // Puts fft output data into a complex valued array.
412                              float* fft,
838   // Reorder fft output data.
979     // Note that the first PART_LEN samples in fft (before transformation) are
1009   float fft[PART_LEN2];
1040   WindowData(fft, aec->dBuf);
1041   aec_rdft_forward_128(fft);
1042   StoreAsComplex(fft, dfw);
1045   WindowData(fft, aec->eBuf);
1046   aec_rdft_forward_128(fft);
1047   StoreAsComplex(fft, efw);
1052   WindowData(fft, farend);
1053   Fft(fft, xfw);
1070   WebRtcAec_SubbandCoherence(aec, efw, dfw, xfw, fft, cohde, cohxd,
1184   // Inverse error fft.
1185   ScaledInverseFft(efw, fft, 2.0f, 1);
1189     output[i] = (fft[i] * WebRtcAec_sqrtHanning[i] +
1196   memcpy(aec->outBuf, &fft[PART_LEN], PART_LEN * sizeof(aec->outBuf[0]));
1206     ScaledInverseFft(comfortNoiseHband, fft, 2.0f, 0);
1217       outputH[0][i] += cnScaleHband * fft[i];
1247   float fft[PART_LEN2];
1303   memcpy(fft, farend_ptr, sizeof(float) * PART_LEN2);
1304   Fft(fft, xf);
1307   // Near fft
1308   memcpy(fft, aec->dBuf, sizeof(float) * PART_LEN2);
1309   Fft(fft, df);