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Side by Side Diff: webrtc/common_audio/sparse_fir_filter.h

Issue 2969623003: Update includes for webrtc/{base => rtc_base} rename (2/3) (Closed)
Patch Set: Rebased onto 224e65939af87443addfc5bb500fbf434728bd1c and restored sorting in clock.cc Created 3 years, 5 months ago
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1 /* 1 /*
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. 2 * Copyright (c) 2015 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 #ifndef WEBRTC_COMMON_AUDIO_SPARSE_FIR_FILTER_H_ 11 #ifndef WEBRTC_COMMON_AUDIO_SPARSE_FIR_FILTER_H_
12 #define WEBRTC_COMMON_AUDIO_SPARSE_FIR_FILTER_H_ 12 #define WEBRTC_COMMON_AUDIO_SPARSE_FIR_FILTER_H_
13 13
14 #include <cstring> 14 #include <cstring>
15 #include <vector> 15 #include <vector>
16 16
17 #include "webrtc/base/constructormagic.h" 17 #include "webrtc/rtc_base/constructormagic.h"
18 18
19 namespace webrtc { 19 namespace webrtc {
20 20
21 // A Finite Impulse Response filter implementation which takes advantage of a 21 // A Finite Impulse Response filter implementation which takes advantage of a
22 // sparse structure with uniformly distributed non-zero coefficients. 22 // sparse structure with uniformly distributed non-zero coefficients.
23 class SparseFIRFilter final { 23 class SparseFIRFilter final {
24 public: 24 public:
25 // |num_nonzero_coeffs| is the number of non-zero coefficients, 25 // |num_nonzero_coeffs| is the number of non-zero coefficients,
26 // |nonzero_coeffs|. They are assumed to be uniformly distributed every 26 // |nonzero_coeffs|. They are assumed to be uniformly distributed every
27 // |sparsity| samples and with an initial |offset|. The rest of the filter 27 // |sparsity| samples and with an initial |offset|. The rest of the filter
(...skipping 16 matching lines...) Expand all
44 const size_t offset_; 44 const size_t offset_;
45 const std::vector<float> nonzero_coeffs_; 45 const std::vector<float> nonzero_coeffs_;
46 std::vector<float> state_; 46 std::vector<float> state_;
47 47
48 RTC_DISALLOW_COPY_AND_ASSIGN(SparseFIRFilter); 48 RTC_DISALLOW_COPY_AND_ASSIGN(SparseFIRFilter);
49 }; 49 };
50 50
51 } // namespace webrtc 51 } // namespace webrtc
52 52
53 #endif // WEBRTC_COMMON_AUDIO_SPARSE_FIR_FILTER_H_ 53 #endif // WEBRTC_COMMON_AUDIO_SPARSE_FIR_FILTER_H_
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