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1 /* | 1 /* |
2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #include "webrtc/modules/audio_processing/aec3/suppression_filter.h" | 11 #include "webrtc/modules/audio_processing/aec3/suppression_filter.h" |
12 | 12 |
13 #include <math.h> | 13 #include <math.h> |
14 #include <algorithm> | 14 #include <algorithm> |
15 #include <cstring> | 15 #include <cstring> |
16 #include <functional> | 16 #include <functional> |
17 #include <numeric> | 17 #include <numeric> |
18 | 18 |
19 #include "webrtc/base/safe_minmax.h" | |
20 #include "webrtc/modules/audio_processing/utility/ooura_fft.h" | 19 #include "webrtc/modules/audio_processing/utility/ooura_fft.h" |
| 20 #include "webrtc/rtc_base/safe_minmax.h" |
21 | 21 |
22 namespace webrtc { | 22 namespace webrtc { |
23 namespace { | 23 namespace { |
24 | 24 |
25 // Hanning window from Matlab command win = sqrt(hanning(128)). | 25 // Hanning window from Matlab command win = sqrt(hanning(128)). |
26 const float kSqrtHanning[kFftLength] = { | 26 const float kSqrtHanning[kFftLength] = { |
27 0.00000000000000f, 0.02454122852291f, 0.04906767432742f, 0.07356456359967f, | 27 0.00000000000000f, 0.02454122852291f, 0.04906767432742f, 0.07356456359967f, |
28 0.09801714032956f, 0.12241067519922f, 0.14673047445536f, 0.17096188876030f, | 28 0.09801714032956f, 0.12241067519922f, 0.14673047445536f, 0.17096188876030f, |
29 0.19509032201613f, 0.21910124015687f, 0.24298017990326f, 0.26671275747490f, | 29 0.19509032201613f, 0.21910124015687f, 0.24298017990326f, 0.26671275747490f, |
30 0.29028467725446f, 0.31368174039889f, 0.33688985339222f, 0.35989503653499f, | 30 0.29028467725446f, 0.31368174039889f, 0.33688985339222f, 0.35989503653499f, |
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163 for (size_t k = 1; k < e->size(); ++k) { | 163 for (size_t k = 1; k < e->size(); ++k) { |
164 std::copy((*e)[k].begin(), (*e)[k].end(), tmp.begin()); | 164 std::copy((*e)[k].begin(), (*e)[k].end(), tmp.begin()); |
165 std::copy(e_output_old_[k].begin(), e_output_old_[k].end(), | 165 std::copy(e_output_old_[k].begin(), e_output_old_[k].end(), |
166 (*e)[k].begin()); | 166 (*e)[k].begin()); |
167 std::copy(tmp.begin(), tmp.end(), e_output_old_[k].begin()); | 167 std::copy(tmp.begin(), tmp.end(), e_output_old_[k].begin()); |
168 } | 168 } |
169 } | 169 } |
170 } | 170 } |
171 | 171 |
172 } // namespace webrtc | 172 } // namespace webrtc |
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