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1 /* | 1 /* |
2 * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2014 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/common_audio/fir_filter.h" | 11 #include "webrtc/common_audio/fir_filter.h" |
12 | 12 |
13 #include <assert.h> | 13 #include <assert.h> |
14 #include <string.h> | 14 #include <string.h> |
15 | 15 |
16 #include "webrtc/base/scoped_ptr.h" | 16 #include "webrtc/base/scoped_ptr.h" |
17 #include "webrtc/common_audio/fir_filter_neon.h" | 17 #include "webrtc/common_audio/fir_filter_neon.h" |
18 #include "webrtc/common_audio/fir_filter_sse.h" | 18 #include "webrtc/common_audio/fir_filter_sse.h" |
19 #include "webrtc/system_wrappers/interface/cpu_features_wrapper.h" | 19 #include "webrtc/system_wrappers/include/cpu_features_wrapper.h" |
20 | 20 |
21 namespace webrtc { | 21 namespace webrtc { |
22 | 22 |
23 class FIRFilterC : public FIRFilter { | 23 class FIRFilterC : public FIRFilter { |
24 public: | 24 public: |
25 FIRFilterC(const float* coefficients, | 25 FIRFilterC(const float* coefficients, |
26 size_t coefficients_length); | 26 size_t coefficients_length); |
27 | 27 |
28 void Filter(const float* in, size_t length, float* out) override; | 28 void Filter(const float* in, size_t length, float* out) override; |
29 | 29 |
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107 state_.get(), &in[length - state_length_], state_length_ * sizeof(*in)); | 107 state_.get(), &in[length - state_length_], state_length_ * sizeof(*in)); |
108 } else { | 108 } else { |
109 memmove(state_.get(), | 109 memmove(state_.get(), |
110 &state_[length], | 110 &state_[length], |
111 (state_length_ - length) * sizeof(state_[0])); | 111 (state_length_ - length) * sizeof(state_[0])); |
112 memcpy(&state_[state_length_ - length], in, length * sizeof(*in)); | 112 memcpy(&state_[state_length_ - length], in, length * sizeof(*in)); |
113 } | 113 } |
114 } | 114 } |
115 | 115 |
116 } // namespace webrtc | 116 } // namespace webrtc |
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