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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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65 block_length_(block_length), | 65 block_length_(block_length), |
66 chunk_length_(chunk_length), | 66 chunk_length_(chunk_length), |
67 block_processor_(callback), | 67 block_processor_(callback), |
68 blocker_(chunk_length_, | 68 blocker_(chunk_length_, |
69 block_length_, | 69 block_length_, |
70 num_in_channels_, | 70 num_in_channels_, |
71 num_out_channels_, | 71 num_out_channels_, |
72 window, | 72 window, |
73 shift_amount, | 73 shift_amount, |
74 &blocker_callback_), | 74 &blocker_callback_), |
75 fft_(rtc::ScopedToUnique( | 75 fft_(RealFourier::Create(RealFourier::FftOrder(block_length_))), |
76 RealFourier::Create(RealFourier::FftOrder(block_length_)))), | |
77 cplx_length_(RealFourier::ComplexLength(fft_->order())), | 76 cplx_length_(RealFourier::ComplexLength(fft_->order())), |
78 real_buf_(num_in_channels, | 77 real_buf_(num_in_channels, |
79 block_length_, | 78 block_length_, |
80 RealFourier::kFftBufferAlignment), | 79 RealFourier::kFftBufferAlignment), |
81 cplx_pre_(num_in_channels, | 80 cplx_pre_(num_in_channels, |
82 cplx_length_, | 81 cplx_length_, |
83 RealFourier::kFftBufferAlignment), | 82 RealFourier::kFftBufferAlignment), |
84 cplx_post_(num_out_channels, | 83 cplx_post_(num_out_channels, |
85 cplx_length_, | 84 cplx_length_, |
86 RealFourier::kFftBufferAlignment) { | 85 RealFourier::kFftBufferAlignment) { |
87 RTC_CHECK(num_in_channels_ > 0 && num_out_channels_ > 0); | 86 RTC_CHECK(num_in_channels_ > 0 && num_out_channels_ > 0); |
88 RTC_CHECK_GT(block_length_, 0u); | 87 RTC_CHECK_GT(block_length_, 0u); |
89 RTC_CHECK_GT(chunk_length_, 0u); | 88 RTC_CHECK_GT(chunk_length_, 0u); |
90 RTC_CHECK(block_processor_); | 89 RTC_CHECK(block_processor_); |
91 | 90 |
92 // block_length_ power of 2? | 91 // block_length_ power of 2? |
93 RTC_CHECK_EQ(0u, block_length_ & (block_length_ - 1)); | 92 RTC_CHECK_EQ(0u, block_length_ & (block_length_ - 1)); |
94 } | 93 } |
95 | 94 |
96 void LappedTransform::ProcessChunk(const float* const* in_chunk, | 95 void LappedTransform::ProcessChunk(const float* const* in_chunk, |
97 float* const* out_chunk) { | 96 float* const* out_chunk) { |
98 blocker_.ProcessChunk(in_chunk, chunk_length_, num_in_channels_, | 97 blocker_.ProcessChunk(in_chunk, chunk_length_, num_in_channels_, |
99 num_out_channels_, out_chunk); | 98 num_out_channels_, out_chunk); |
100 } | 99 } |
101 | 100 |
102 } // namespace webrtc | 101 } // namespace webrtc |
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