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Side by Side Diff: webrtc/modules/audio_processing/utility/lapped_transform.cc

Issue 1846903004: Moved ring-buffer related files from common_audio to audio_processing (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Corrected order of includes Created 4 years, 8 months ago
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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
11 #include "webrtc/common_audio/lapped_transform.h" 11 #include "webrtc/modules/audio_processing/utility/lapped_transform.h"
12 12
13 #include <algorithm> 13 #include <algorithm>
14 #include <cstdlib> 14 #include <cstdlib>
15 #include <cstring> 15 #include <cstring>
16 16
17 #include "webrtc/base/checks.h" 17 #include "webrtc/base/checks.h"
18 #include "webrtc/common_audio/real_fourier.h" 18 #include "webrtc/common_audio/real_fourier.h"
19 19
20 namespace webrtc { 20 namespace webrtc {
21 21
22 void LappedTransform::BlockThunk::ProcessBlock(const float* const* input, 22 void LappedTransform::BlockThunk::ProcessBlock(const float* const* input,
23 size_t num_frames, 23 size_t num_frames,
24 size_t num_input_channels, 24 size_t num_input_channels,
25 size_t num_output_channels, 25 size_t num_output_channels,
26 float* const* output) { 26 float* const* output) {
27 RTC_CHECK_EQ(num_input_channels, parent_->num_in_channels_); 27 RTC_CHECK_EQ(num_input_channels, parent_->num_in_channels_);
28 RTC_CHECK_EQ(num_output_channels, parent_->num_out_channels_); 28 RTC_CHECK_EQ(num_output_channels, parent_->num_out_channels_);
29 RTC_CHECK_EQ(parent_->block_length_, num_frames); 29 RTC_CHECK_EQ(parent_->block_length_, num_frames);
30 30
31 for (size_t i = 0; i < num_input_channels; ++i) { 31 for (size_t i = 0; i < num_input_channels; ++i) {
32 memcpy(parent_->real_buf_.Row(i), input[i], 32 memcpy(parent_->real_buf_.Row(i), input[i], num_frames * sizeof(*input[0]));
33 num_frames * sizeof(*input[0]));
34 parent_->fft_->Forward(parent_->real_buf_.Row(i), 33 parent_->fft_->Forward(parent_->real_buf_.Row(i),
35 parent_->cplx_pre_.Row(i)); 34 parent_->cplx_pre_.Row(i));
36 } 35 }
37 36
38 size_t block_length = RealFourier::ComplexLength( 37 size_t block_length =
39 RealFourier::FftOrder(num_frames)); 38 RealFourier::ComplexLength(RealFourier::FftOrder(num_frames));
40 RTC_CHECK_EQ(parent_->cplx_length_, block_length); 39 RTC_CHECK_EQ(parent_->cplx_length_, block_length);
41 parent_->block_processor_->ProcessAudioBlock(parent_->cplx_pre_.Array(), 40 parent_->block_processor_->ProcessAudioBlock(
42 num_input_channels, 41 parent_->cplx_pre_.Array(), num_input_channels, parent_->cplx_length_,
43 parent_->cplx_length_, 42 num_output_channels, parent_->cplx_post_.Array());
44 num_output_channels,
45 parent_->cplx_post_.Array());
46 43
47 for (size_t i = 0; i < num_output_channels; ++i) { 44 for (size_t i = 0; i < num_output_channels; ++i) {
48 parent_->fft_->Inverse(parent_->cplx_post_.Row(i), 45 parent_->fft_->Inverse(parent_->cplx_post_.Row(i),
49 parent_->real_buf_.Row(i)); 46 parent_->real_buf_.Row(i));
50 memcpy(output[i], parent_->real_buf_.Row(i), 47 memcpy(output[i], parent_->real_buf_.Row(i),
51 num_frames * sizeof(*input[0])); 48 num_frames * sizeof(*input[0]));
52 } 49 }
53 } 50 }
54 51
55 LappedTransform::LappedTransform(size_t num_in_channels, 52 LappedTransform::LappedTransform(size_t num_in_channels,
(...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after
93 RTC_CHECK_EQ(0u, block_length_ & (block_length_ - 1)); 90 RTC_CHECK_EQ(0u, block_length_ & (block_length_ - 1));
94 } 91 }
95 92
96 void LappedTransform::ProcessChunk(const float* const* in_chunk, 93 void LappedTransform::ProcessChunk(const float* const* in_chunk,
97 float* const* out_chunk) { 94 float* const* out_chunk) {
98 blocker_.ProcessChunk(in_chunk, chunk_length_, num_in_channels_, 95 blocker_.ProcessChunk(in_chunk, chunk_length_, num_in_channels_,
99 num_out_channels_, out_chunk); 96 num_out_channels_, out_chunk);
100 } 97 }
101 98
102 } // namespace webrtc 99 } // namespace webrtc
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