aec_common.h revision 555fc78f2702b0c79b25837b852c61aafe87fdd3 
1/*
2 *  Copyright (c) 2014 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_AEC_AEC_COMMON_H_
12#define WEBRTC_MODULES_AUDIO_PROCESSING_AEC_AEC_COMMON_H_
13
14#include "webrtc/typedefs.h"
15
16#ifdef _MSC_VER /* visual c++ */
17#define ALIGN16_BEG __declspec(align(16))
18#define ALIGN16_END
19#else /* gcc or icc */
20#define ALIGN16_BEG
21#define ALIGN16_END __attribute__((aligned(16)))
22#endif
23
24extern ALIGN16_BEG const float ALIGN16_END WebRtcAec_sqrtHanning[65];
25extern ALIGN16_BEG const float ALIGN16_END WebRtcAec_weightCurve[65];
26extern ALIGN16_BEG const float ALIGN16_END WebRtcAec_overDriveCurve[65];
27extern const float WebRtcAec_kExtendedSmoothingCoefficients[2][2];
28extern const float WebRtcAec_kNormalSmoothingCoefficients[2][2];
29extern const float WebRtcAec_kMinFarendPSD;
30
31#endif  // WEBRTC_MODULES_AUDIO_PROCESSING_AEC_AEC_COMMON_H_
32
33