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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 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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55 num_proc_channels_(num_process_channels), | 55 num_proc_channels_(num_process_channels), |
56 output_num_frames_(output_num_frames), | 56 output_num_frames_(output_num_frames), |
57 num_channels_(num_process_channels), | 57 num_channels_(num_process_channels), |
58 num_bands_(NumBandsFromSamplesPerChannel(proc_num_frames_)), | 58 num_bands_(NumBandsFromSamplesPerChannel(proc_num_frames_)), |
59 num_split_frames_(rtc::CheckedDivExact(proc_num_frames_, num_bands_)), | 59 num_split_frames_(rtc::CheckedDivExact(proc_num_frames_, num_bands_)), |
60 mixed_low_pass_valid_(false), | 60 mixed_low_pass_valid_(false), |
61 reference_copied_(false), | 61 reference_copied_(false), |
62 activity_(AudioFrame::kVadUnknown), | 62 activity_(AudioFrame::kVadUnknown), |
63 keyboard_data_(NULL), | 63 keyboard_data_(NULL), |
64 data_(new IFChannelBuffer(proc_num_frames_, num_proc_channels_)) { | 64 data_(new IFChannelBuffer(proc_num_frames_, num_proc_channels_)) { |
65 RTC_DCHECK_GT(input_num_frames_, 0u); | 65 RTC_DCHECK_GT(input_num_frames_, 0); |
66 RTC_DCHECK_GT(proc_num_frames_, 0u); | 66 RTC_DCHECK_GT(proc_num_frames_, 0); |
67 RTC_DCHECK_GT(output_num_frames_, 0u); | 67 RTC_DCHECK_GT(output_num_frames_, 0); |
68 RTC_DCHECK_GT(num_input_channels_, 0u); | 68 RTC_DCHECK_GT(num_input_channels_, 0); |
69 RTC_DCHECK_GT(num_proc_channels_, 0u); | 69 RTC_DCHECK_GT(num_proc_channels_, 0); |
70 RTC_DCHECK_LE(num_proc_channels_, num_input_channels_); | 70 RTC_DCHECK_LE(num_proc_channels_, num_input_channels_); |
71 | 71 |
72 if (input_num_frames_ != proc_num_frames_ || | 72 if (input_num_frames_ != proc_num_frames_ || |
73 output_num_frames_ != proc_num_frames_) { | 73 output_num_frames_ != proc_num_frames_) { |
74 // Create an intermediate buffer for resampling. | 74 // Create an intermediate buffer for resampling. |
75 process_buffer_.reset(new ChannelBuffer<float>(proc_num_frames_, | 75 process_buffer_.reset(new ChannelBuffer<float>(proc_num_frames_, |
76 num_proc_channels_)); | 76 num_proc_channels_)); |
77 | 77 |
78 if (input_num_frames_ != proc_num_frames_) { | 78 if (input_num_frames_ != proc_num_frames_) { |
79 for (size_t i = 0; i < num_proc_channels_; ++i) { | 79 for (size_t i = 0; i < num_proc_channels_; ++i) { |
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467 | 467 |
468 void AudioBuffer::SplitIntoFrequencyBands() { | 468 void AudioBuffer::SplitIntoFrequencyBands() { |
469 splitting_filter_->Analysis(data_.get(), split_data_.get()); | 469 splitting_filter_->Analysis(data_.get(), split_data_.get()); |
470 } | 470 } |
471 | 471 |
472 void AudioBuffer::MergeFrequencyBands() { | 472 void AudioBuffer::MergeFrequencyBands() { |
473 splitting_filter_->Synthesis(split_data_.get(), data_.get()); | 473 splitting_filter_->Synthesis(split_data_.get(), data_.get()); |
474 } | 474 } |
475 | 475 |
476 } // namespace webrtc | 476 } // namespace webrtc |
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