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/external/chromium_org/third_party/webrtc/common_audio/signal_processing/
H A Dreal_fft.c56 int16_t complex_buffer[2 << kMaxFFTOrder]; local
60 complex_buffer[j] = real_data_in[i];
61 complex_buffer[j + 1] = 0;
64 WebRtcSpl_ComplexBitReverse(complex_buffer, self->order);
65 result = WebRtcSpl_ComplexFFT(complex_buffer, self->order, 1);
69 memcpy(complex_data_out, complex_buffer, sizeof(int16_t) * (n + 2));
82 int16_t complex_buffer[2 << kMaxFFTOrder]; local
87 memcpy(complex_buffer, complex_data_in, sizeof(int16_t) * (n + 2));
89 complex_buffer[i] = complex_data_in[2 * n - i];
90 complex_buffer[
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