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Searched refs:frfi (Results 1 – 2 of 2) sorted by relevance

/external/webrtc/src/common_audio/signal_processing/
Dcomplex_fft.c159 int WebRtcSpl_ComplexFFT(WebRtc_Word16 frfi[], int stages, int mode) in WebRtcSpl_ComplexFFT() argument
198 tr32 = WEBRTC_SPL_RSHIFT_W32((WEBRTC_SPL_MUL_16_16(wr, frfi[2 * j]) in WebRtcSpl_ComplexFFT()
199 - WEBRTC_SPL_MUL_16_16(wi, frfi[2 * j + 1])), 15); in WebRtcSpl_ComplexFFT()
201 ti32 = WEBRTC_SPL_RSHIFT_W32((WEBRTC_SPL_MUL_16_16(wr, frfi[2 * j + 1]) in WebRtcSpl_ComplexFFT()
202 + WEBRTC_SPL_MUL_16_16(wi, frfi[2 * j])), 15); in WebRtcSpl_ComplexFFT()
204 qr32 = (WebRtc_Word32)frfi[2 * i]; in WebRtcSpl_ComplexFFT()
205 qi32 = (WebRtc_Word32)frfi[2 * i + 1]; in WebRtcSpl_ComplexFFT()
206 frfi[2 * j] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32(qr32 - tr32, 1); in WebRtcSpl_ComplexFFT()
207 frfi[2 * j + 1] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32(qi32 - ti32, 1); in WebRtcSpl_ComplexFFT()
208 frfi[2 * i] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32(qr32 + tr32, 1); in WebRtcSpl_ComplexFFT()
[all …]
Dcomplex_bit_reverse.c20 void WebRtcSpl_ComplexBitReverse(WebRtc_Word16 frfi[], int stages) in WebRtcSpl_ComplexBitReverse() argument
43 tr = frfi[2 * m]; in WebRtcSpl_ComplexBitReverse()
44 frfi[2 * m] = frfi[2 * mr]; in WebRtcSpl_ComplexBitReverse()
45 frfi[2 * mr] = tr; in WebRtcSpl_ComplexBitReverse()
47 ti = frfi[2 * m + 1]; in WebRtcSpl_ComplexBitReverse()
48 frfi[2 * m + 1] = frfi[2 * mr + 1]; in WebRtcSpl_ComplexBitReverse()
49 frfi[2 * mr + 1] = ti; in WebRtcSpl_ComplexBitReverse()