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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 |
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47 using VarianceType = intelligibility::VarianceArray::StepType; | 47 using VarianceType = intelligibility::VarianceArray::StepType; |
48 | 48 |
49 IntelligibilityEnhancer::TransformCallback::TransformCallback( | 49 IntelligibilityEnhancer::TransformCallback::TransformCallback( |
50 IntelligibilityEnhancer* parent, | 50 IntelligibilityEnhancer* parent, |
51 IntelligibilityEnhancer::AudioSource source) | 51 IntelligibilityEnhancer::AudioSource source) |
52 : parent_(parent), source_(source) { | 52 : parent_(parent), source_(source) { |
53 } | 53 } |
54 | 54 |
55 void IntelligibilityEnhancer::TransformCallback::ProcessAudioBlock( | 55 void IntelligibilityEnhancer::TransformCallback::ProcessAudioBlock( |
56 const complex<float>* const* in_block, | 56 const complex<float>* const* in_block, |
57 int in_channels, | 57 size_t in_channels, |
58 size_t frames, | 58 size_t frames, |
59 int /* out_channels */, | 59 size_t /* out_channels */, |
60 complex<float>* const* out_block) { | 60 complex<float>* const* out_block) { |
61 RTC_DCHECK_EQ(parent_->freqs_, frames); | 61 RTC_DCHECK_EQ(parent_->freqs_, frames); |
62 for (int i = 0; i < in_channels; ++i) { | 62 for (size_t i = 0; i < in_channels; ++i) { |
63 parent_->DispatchAudio(source_, in_block[i], out_block[i]); | 63 parent_->DispatchAudio(source_, in_block[i], out_block[i]); |
64 } | 64 } |
65 } | 65 } |
66 | 66 |
67 IntelligibilityEnhancer::IntelligibilityEnhancer() | 67 IntelligibilityEnhancer::IntelligibilityEnhancer() |
68 : IntelligibilityEnhancer(IntelligibilityEnhancer::Config()) { | 68 : IntelligibilityEnhancer(IntelligibilityEnhancer::Config()) { |
69 } | 69 } |
70 | 70 |
71 IntelligibilityEnhancer::IntelligibilityEnhancer(const Config& config) | 71 IntelligibilityEnhancer::IntelligibilityEnhancer(const Config& config) |
72 : freqs_(RealFourier::ComplexLength( | 72 : freqs_(RealFourier::ComplexLength( |
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122 render_mangler_.reset(new LappedTransform( | 122 render_mangler_.reset(new LappedTransform( |
123 num_render_channels_, num_render_channels_, chunk_length_, | 123 num_render_channels_, num_render_channels_, chunk_length_, |
124 kbd_window_.get(), window_size_, window_size_ / 2, &render_callback_)); | 124 kbd_window_.get(), window_size_, window_size_ / 2, &render_callback_)); |
125 capture_mangler_.reset(new LappedTransform( | 125 capture_mangler_.reset(new LappedTransform( |
126 num_capture_channels_, num_capture_channels_, chunk_length_, | 126 num_capture_channels_, num_capture_channels_, chunk_length_, |
127 kbd_window_.get(), window_size_, window_size_ / 2, &capture_callback_)); | 127 kbd_window_.get(), window_size_, window_size_ / 2, &capture_callback_)); |
128 } | 128 } |
129 | 129 |
130 void IntelligibilityEnhancer::ProcessRenderAudio(float* const* audio, | 130 void IntelligibilityEnhancer::ProcessRenderAudio(float* const* audio, |
131 int sample_rate_hz, | 131 int sample_rate_hz, |
132 int num_channels) { | 132 size_t num_channels) { |
133 RTC_CHECK_EQ(sample_rate_hz_, sample_rate_hz); | 133 RTC_CHECK_EQ(sample_rate_hz_, sample_rate_hz); |
134 RTC_CHECK_EQ(num_render_channels_, num_channels); | 134 RTC_CHECK_EQ(num_render_channels_, num_channels); |
135 | 135 |
136 if (active_) { | 136 if (active_) { |
137 render_mangler_->ProcessChunk(audio, temp_render_out_buffer_.channels()); | 137 render_mangler_->ProcessChunk(audio, temp_render_out_buffer_.channels()); |
138 } | 138 } |
139 | 139 |
140 if (active_) { | 140 if (active_) { |
141 for (int i = 0; i < num_render_channels_; ++i) { | 141 for (size_t i = 0; i < num_render_channels_; ++i) { |
142 memcpy(audio[i], temp_render_out_buffer_.channels()[i], | 142 memcpy(audio[i], temp_render_out_buffer_.channels()[i], |
143 chunk_length_ * sizeof(**audio)); | 143 chunk_length_ * sizeof(**audio)); |
144 } | 144 } |
145 } | 145 } |
146 } | 146 } |
147 | 147 |
148 void IntelligibilityEnhancer::AnalyzeCaptureAudio(float* const* audio, | 148 void IntelligibilityEnhancer::AnalyzeCaptureAudio(float* const* audio, |
149 int sample_rate_hz, | 149 int sample_rate_hz, |
150 int num_channels) { | 150 size_t num_channels) { |
151 RTC_CHECK_EQ(sample_rate_hz_, sample_rate_hz); | 151 RTC_CHECK_EQ(sample_rate_hz_, sample_rate_hz); |
152 RTC_CHECK_EQ(num_capture_channels_, num_channels); | 152 RTC_CHECK_EQ(num_capture_channels_, num_channels); |
153 | 153 |
154 capture_mangler_->ProcessChunk(audio, temp_capture_out_buffer_.channels()); | 154 capture_mangler_->ProcessChunk(audio, temp_capture_out_buffer_.channels()); |
155 } | 155 } |
156 | 156 |
157 void IntelligibilityEnhancer::DispatchAudio( | 157 void IntelligibilityEnhancer::DispatchAudio( |
158 IntelligibilityEnhancer::AudioSource source, | 158 IntelligibilityEnhancer::AudioSource source, |
159 const complex<float>* in_block, | 159 const complex<float>* in_block, |
160 complex<float>* out_block) { | 160 complex<float>* out_block) { |
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372 ret = fmaf(a[i], b[i], ret); | 372 ret = fmaf(a[i], b[i], ret); |
373 } | 373 } |
374 return ret; | 374 return ret; |
375 } | 375 } |
376 | 376 |
377 bool IntelligibilityEnhancer::active() const { | 377 bool IntelligibilityEnhancer::active() const { |
378 return active_; | 378 return active_; |
379 } | 379 } |
380 | 380 |
381 } // namespace webrtc | 381 } // namespace webrtc |
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