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1 /* | 1 /* |
2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2013 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/transient/wpd_node.h" | 11 #include "webrtc/modules/audio_processing/transient/wpd_node.h" |
12 | 12 |
13 #include <assert.h> | |
14 #include <math.h> | 13 #include <math.h> |
15 #include <string.h> | 14 #include <string.h> |
16 | 15 |
| 16 #include "webrtc/base/checks.h" |
17 #include "webrtc/common_audio/fir_filter.h" | 17 #include "webrtc/common_audio/fir_filter.h" |
18 #include "webrtc/modules/audio_processing/transient/dyadic_decimator.h" | 18 #include "webrtc/modules/audio_processing/transient/dyadic_decimator.h" |
19 | 19 |
20 namespace webrtc { | 20 namespace webrtc { |
21 | 21 |
22 WPDNode::WPDNode(size_t length, | 22 WPDNode::WPDNode(size_t length, |
23 const float* coefficients, | 23 const float* coefficients, |
24 size_t coefficients_length) | 24 size_t coefficients_length) |
25 : // The data buffer has parent data length to be able to contain and filter | 25 : // The data buffer has parent data length to be able to contain and filter |
26 // it. | 26 // it. |
27 data_(new float[2 * length + 1]), | 27 data_(new float[2 * length + 1]), |
28 length_(length), | 28 length_(length), |
29 filter_(FIRFilter::Create(coefficients, | 29 filter_(FIRFilter::Create(coefficients, |
30 coefficients_length, | 30 coefficients_length, |
31 2 * length + 1)) { | 31 2 * length + 1)) { |
32 assert(length > 0 && coefficients && coefficients_length > 0); | 32 RTC_DCHECK_GT(length, 0u); |
| 33 RTC_DCHECK(coefficients); |
| 34 RTC_DCHECK_GT(coefficients_length, 0u); |
33 memset(data_.get(), 0.f, (2 * length + 1) * sizeof(data_[0])); | 35 memset(data_.get(), 0.f, (2 * length + 1) * sizeof(data_[0])); |
34 } | 36 } |
35 | 37 |
36 WPDNode::~WPDNode() {} | 38 WPDNode::~WPDNode() {} |
37 | 39 |
38 int WPDNode::Update(const float* parent_data, size_t parent_data_length) { | 40 int WPDNode::Update(const float* parent_data, size_t parent_data_length) { |
39 if (!parent_data || (parent_data_length / 2) != length_) { | 41 if (!parent_data || (parent_data_length / 2) != length_) { |
40 return -1; | 42 return -1; |
41 } | 43 } |
42 | 44 |
(...skipping 18 matching lines...) Expand all Loading... |
61 | 63 |
62 int WPDNode::set_data(const float* new_data, size_t length) { | 64 int WPDNode::set_data(const float* new_data, size_t length) { |
63 if (!new_data || length != length_) { | 65 if (!new_data || length != length_) { |
64 return -1; | 66 return -1; |
65 } | 67 } |
66 memcpy(data_.get(), new_data, length * sizeof(data_[0])); | 68 memcpy(data_.get(), new_data, length * sizeof(data_[0])); |
67 return 0; | 69 return 0; |
68 } | 70 } |
69 | 71 |
70 } // namespace webrtc | 72 } // namespace webrtc |
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