1 /* 2 * Copyright (c) 2015 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_COMMON_AUDIO_REAL_FOURIER_OPENMAX_H_ 12 #define WEBRTC_COMMON_AUDIO_REAL_FOURIER_OPENMAX_H_ 13 14 #include <complex> 15 16 #include "webrtc/common_audio/real_fourier.h" 17 18 namespace webrtc { 19 20 class RealFourierOpenmax : public RealFourier { 21 public: 22 explicit RealFourierOpenmax(int fft_order); 23 ~RealFourierOpenmax() override; 24 25 void Forward(const float* src, std::complex<float>* dest) const override; 26 void Inverse(const std::complex<float>* src, float* dest) const override; 27 order()28 int order() const override { 29 return order_; 30 } 31 32 private: 33 // Basically a forward declare of OMXFFTSpec_R_F32. To get rid of the 34 // dependency on openmax. 35 typedef void OMXFFTSpec_R_F32_; 36 const int order_; 37 38 OMXFFTSpec_R_F32_* const omx_spec_; 39 }; 40 41 } // namespace webrtc 42 43 #endif // WEBRTC_COMMON_AUDIO_REAL_FOURIER_OPENMAX_H_ 44 45