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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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