OLD | NEW |
(Empty) | |
| 1 /* |
| 2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_UTILITY_OOURA_FFT_H_ |
| 12 #define WEBRTC_MODULES_AUDIO_PROCESSING_UTILITY_OOURA_FFT_H_ |
| 13 |
| 14 #include "webrtc/typedefs.h" |
| 15 |
| 16 namespace webrtc { |
| 17 |
| 18 #if defined(WEBRTC_ARCH_X86_FAMILY) |
| 19 void cft1st_128_SSE2(float* a); |
| 20 void cftmdl_128_SSE2(float* a); |
| 21 void rftfsub_128_SSE2(float* a); |
| 22 void rftbsub_128_SSE2(float* a); |
| 23 #endif |
| 24 |
| 25 #if defined(MIPS_FPU_LE) |
| 26 void cft1st_128_mips(float* a); |
| 27 void cftmdl_128_mips(float* a); |
| 28 void rftfsub_128_mips(float* a); |
| 29 void rftbsub_128_mips(float* a); |
| 30 #endif |
| 31 |
| 32 #if defined(WEBRTC_HAS_NEON) |
| 33 void cft1st_128_neon(float* a); |
| 34 void cftmdl_128_neon(float* a); |
| 35 void rftfsub_128_neon(float* a); |
| 36 void rftbsub_128_neon(float* a); |
| 37 #endif |
| 38 |
| 39 class OouraFft { |
| 40 public: |
| 41 OouraFft(); |
| 42 ~OouraFft(); |
| 43 void Fft(float* a) const; |
| 44 void InverseFft(float* a) const; |
| 45 |
| 46 private: |
| 47 void cft1st_128(float* a) const; |
| 48 void cftmdl_128(float* a) const; |
| 49 void rftfsub_128(float* a) const; |
| 50 void rftbsub_128(float* a) const; |
| 51 |
| 52 void cftfsub_128(float* a) const; |
| 53 void cftbsub_128(float* a) const; |
| 54 void bitrv2_128(float* a) const; |
| 55 bool use_sse2_; |
| 56 }; |
| 57 |
| 58 } // namespace webrtc |
| 59 |
| 60 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_UTILITY_OOURA_FFT_H_ |
OLD | NEW |