1 /* 2 * Copyright (c) 2011 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_FFT4G_H_ 12 #define WEBRTC_COMMON_AUDIO_FFT4G_H_ 13 14 #if defined(__cplusplus) 15 extern "C" { 16 #endif 17 18 // Refer to fft4g.c for documentation. 19 void WebRtc_rdft(size_t n, int isgn, float *a, size_t *ip, float *w); 20 21 #if defined(__cplusplus) 22 } 23 #endif 24 25 #endif // WEBRTC_COMMON_AUDIO_FFT4G_H_ 26
