tg2sip/webrtc_dsp/webrtc/common_audio/fft4g.h

26 lines
720 B
C

/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_COMMON_AUDIO_FFT4G_H_
#define WEBRTC_COMMON_AUDIO_FFT4G_H_
#if defined(__cplusplus)
extern "C" {
#endif
// Refer to fft4g.c for documentation.
void WebRtc_rdft(size_t n, int isgn, float *a, size_t *ip, float *w);
#if defined(__cplusplus)
}
#endif
#endif // WEBRTC_COMMON_AUDIO_FFT4G_H_