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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/transient_suppressor.h" | 11 #include "webrtc/modules/audio_processing/transient/transient_suppressor.h" |
12 | 12 |
13 #include <math.h> | 13 #include <math.h> |
14 #include <string.h> | 14 #include <string.h> |
15 #include <cmath> | 15 #include <cmath> |
16 #include <complex> | 16 #include <complex> |
17 #include <deque> | 17 #include <deque> |
18 #include <set> | 18 #include <set> |
19 | 19 |
| 20 #include "webrtc/base/checks.h" |
20 #include "webrtc/common_audio/fft4g.h" | 21 #include "webrtc/common_audio/fft4g.h" |
21 #include "webrtc/common_audio/include/audio_util.h" | 22 #include "webrtc/common_audio/include/audio_util.h" |
22 #include "webrtc/common_audio/signal_processing/include/signal_processing_librar
y.h" | 23 #include "webrtc/common_audio/signal_processing/include/signal_processing_librar
y.h" |
23 #include "webrtc/modules/audio_processing/transient/common.h" | 24 #include "webrtc/modules/audio_processing/transient/common.h" |
24 #include "webrtc/modules/audio_processing/transient/transient_detector.h" | 25 #include "webrtc/modules/audio_processing/transient/transient_detector.h" |
25 #include "webrtc/modules/audio_processing/ns/windows_private.h" | 26 #include "webrtc/modules/audio_processing/ns/windows_private.h" |
26 #include "webrtc/system_wrappers/include/logging.h" | 27 #include "webrtc/system_wrappers/include/logging.h" |
27 #include "webrtc/typedefs.h" | 28 #include "webrtc/typedefs.h" |
28 | 29 |
29 namespace webrtc { | 30 namespace webrtc { |
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93 detection_rate_hz != ts::kSampleRate48kHz) { | 94 detection_rate_hz != ts::kSampleRate48kHz) { |
94 return -1; | 95 return -1; |
95 } | 96 } |
96 if (num_channels <= 0) { | 97 if (num_channels <= 0) { |
97 return -1; | 98 return -1; |
98 } | 99 } |
99 | 100 |
100 detector_.reset(new TransientDetector(detection_rate_hz)); | 101 detector_.reset(new TransientDetector(detection_rate_hz)); |
101 data_length_ = sample_rate_hz * ts::kChunkSizeMs / 1000; | 102 data_length_ = sample_rate_hz * ts::kChunkSizeMs / 1000; |
102 if (data_length_ > analysis_length_) { | 103 if (data_length_ > analysis_length_) { |
103 assert(false); | 104 RTC_NOTREACHED(); |
104 return -1; | 105 return -1; |
105 } | 106 } |
106 buffer_delay_ = analysis_length_ - data_length_; | 107 buffer_delay_ = analysis_length_ - data_length_; |
107 | 108 |
108 complex_analysis_length_ = analysis_length_ / 2 + 1; | 109 complex_analysis_length_ = analysis_length_ / 2 + 1; |
109 assert(complex_analysis_length_ >= kMaxVoiceBin); | 110 RTC_DCHECK_GE(complex_analysis_length_, kMaxVoiceBin); |
110 num_channels_ = num_channels; | 111 num_channels_ = num_channels; |
111 in_buffer_.reset(new float[analysis_length_ * num_channels_]); | 112 in_buffer_.reset(new float[analysis_length_ * num_channels_]); |
112 memset(in_buffer_.get(), | 113 memset(in_buffer_.get(), |
113 0, | 114 0, |
114 analysis_length_ * num_channels_ * sizeof(in_buffer_[0])); | 115 analysis_length_ * num_channels_ * sizeof(in_buffer_[0])); |
115 detection_length_ = detection_rate_hz * ts::kChunkSizeMs / 1000; | 116 detection_length_ = detection_rate_hz * ts::kChunkSizeMs / 1000; |
116 detection_buffer_.reset(new float[detection_length_]); | 117 detection_buffer_.reset(new float[detection_length_]); |
117 memset(detection_buffer_.get(), | 118 memset(detection_buffer_.get(), |
118 0, | 119 0, |
119 detection_length_ * sizeof(detection_buffer_[0])); | 120 detection_length_ * sizeof(detection_buffer_[0])); |
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414 const float magnitude_ratio = new_magnitude / magnitudes_[i]; | 415 const float magnitude_ratio = new_magnitude / magnitudes_[i]; |
415 | 416 |
416 fft_buffer_[i * 2] *= magnitude_ratio; | 417 fft_buffer_[i * 2] *= magnitude_ratio; |
417 fft_buffer_[i * 2 + 1] *= magnitude_ratio; | 418 fft_buffer_[i * 2 + 1] *= magnitude_ratio; |
418 magnitudes_[i] = new_magnitude; | 419 magnitudes_[i] = new_magnitude; |
419 } | 420 } |
420 } | 421 } |
421 } | 422 } |
422 | 423 |
423 } // namespace webrtc | 424 } // namespace webrtc |
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