Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(83)

Side by Side Diff: webrtc/modules/audio_processing/beamformer/covariance_matrix_generator.cc

Issue 1335923002: Add RTC_ prefix to (D)CHECKs and related macros. (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Rebase. Created 5 years, 3 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
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
(...skipping 14 matching lines...) Expand all
25 } 25 }
26 26
27 } // namespace 27 } // namespace
28 28
29 namespace webrtc { 29 namespace webrtc {
30 30
31 void CovarianceMatrixGenerator::UniformCovarianceMatrix( 31 void CovarianceMatrixGenerator::UniformCovarianceMatrix(
32 float wave_number, 32 float wave_number,
33 const std::vector<Point>& geometry, 33 const std::vector<Point>& geometry,
34 ComplexMatrix<float>* mat) { 34 ComplexMatrix<float>* mat) {
35 CHECK_EQ(static_cast<int>(geometry.size()), mat->num_rows()); 35 RTC_CHECK_EQ(static_cast<int>(geometry.size()), mat->num_rows());
36 CHECK_EQ(static_cast<int>(geometry.size()), mat->num_columns()); 36 RTC_CHECK_EQ(static_cast<int>(geometry.size()), mat->num_columns());
37 37
38 complex<float>* const* mat_els = mat->elements(); 38 complex<float>* const* mat_els = mat->elements();
39 for (size_t i = 0; i < geometry.size(); ++i) { 39 for (size_t i = 0; i < geometry.size(); ++i) {
40 for (size_t j = 0; j < geometry.size(); ++j) { 40 for (size_t j = 0; j < geometry.size(); ++j) {
41 if (wave_number > 0.f) { 41 if (wave_number > 0.f) {
42 mat_els[i][j] = 42 mat_els[i][j] =
43 BesselJ0(wave_number * Distance(geometry[i], geometry[j])); 43 BesselJ0(wave_number * Distance(geometry[i], geometry[j]));
44 } else { 44 } else {
45 mat_els[i][j] = i == j ? 1.f : 0.f; 45 mat_els[i][j] = i == j ? 1.f : 0.f;
46 } 46 }
47 } 47 }
48 } 48 }
49 } 49 }
50 50
51 void CovarianceMatrixGenerator::AngledCovarianceMatrix( 51 void CovarianceMatrixGenerator::AngledCovarianceMatrix(
52 float sound_speed, 52 float sound_speed,
53 float angle, 53 float angle,
54 size_t frequency_bin, 54 size_t frequency_bin,
55 size_t fft_size, 55 size_t fft_size,
56 size_t num_freq_bins, 56 size_t num_freq_bins,
57 int sample_rate, 57 int sample_rate,
58 const std::vector<Point>& geometry, 58 const std::vector<Point>& geometry,
59 ComplexMatrix<float>* mat) { 59 ComplexMatrix<float>* mat) {
60 CHECK_EQ(static_cast<int>(geometry.size()), mat->num_rows()); 60 RTC_CHECK_EQ(static_cast<int>(geometry.size()), mat->num_rows());
61 CHECK_EQ(static_cast<int>(geometry.size()), mat->num_columns()); 61 RTC_CHECK_EQ(static_cast<int>(geometry.size()), mat->num_columns());
62 62
63 ComplexMatrix<float> interf_cov_vector(1, geometry.size()); 63 ComplexMatrix<float> interf_cov_vector(1, geometry.size());
64 ComplexMatrix<float> interf_cov_vector_transposed(geometry.size(), 1); 64 ComplexMatrix<float> interf_cov_vector_transposed(geometry.size(), 1);
65 PhaseAlignmentMasks(frequency_bin, 65 PhaseAlignmentMasks(frequency_bin,
66 fft_size, 66 fft_size,
67 sample_rate, 67 sample_rate,
68 sound_speed, 68 sound_speed,
69 geometry, 69 geometry,
70 angle, 70 angle,
71 &interf_cov_vector); 71 &interf_cov_vector);
72 interf_cov_vector_transposed.Transpose(interf_cov_vector); 72 interf_cov_vector_transposed.Transpose(interf_cov_vector);
73 interf_cov_vector.PointwiseConjugate(); 73 interf_cov_vector.PointwiseConjugate();
74 mat->Multiply(interf_cov_vector_transposed, interf_cov_vector); 74 mat->Multiply(interf_cov_vector_transposed, interf_cov_vector);
75 } 75 }
76 76
77 void CovarianceMatrixGenerator::PhaseAlignmentMasks( 77 void CovarianceMatrixGenerator::PhaseAlignmentMasks(
78 size_t frequency_bin, 78 size_t frequency_bin,
79 size_t fft_size, 79 size_t fft_size,
80 int sample_rate, 80 int sample_rate,
81 float sound_speed, 81 float sound_speed,
82 const std::vector<Point>& geometry, 82 const std::vector<Point>& geometry,
83 float angle, 83 float angle,
84 ComplexMatrix<float>* mat) { 84 ComplexMatrix<float>* mat) {
85 CHECK_EQ(1, mat->num_rows()); 85 RTC_CHECK_EQ(1, mat->num_rows());
86 CHECK_EQ(static_cast<int>(geometry.size()), mat->num_columns()); 86 RTC_CHECK_EQ(static_cast<int>(geometry.size()), mat->num_columns());
87 87
88 float freq_in_hertz = 88 float freq_in_hertz =
89 (static_cast<float>(frequency_bin) / fft_size) * sample_rate; 89 (static_cast<float>(frequency_bin) / fft_size) * sample_rate;
90 90
91 complex<float>* const* mat_els = mat->elements(); 91 complex<float>* const* mat_els = mat->elements();
92 for (size_t c_ix = 0; c_ix < geometry.size(); ++c_ix) { 92 for (size_t c_ix = 0; c_ix < geometry.size(); ++c_ix) {
93 float distance = std::cos(angle) * geometry[c_ix].x() + 93 float distance = std::cos(angle) * geometry[c_ix].x() +
94 std::sin(angle) * geometry[c_ix].y(); 94 std::sin(angle) * geometry[c_ix].y();
95 float phase_shift = -2.f * M_PI * distance * freq_in_hertz / sound_speed; 95 float phase_shift = -2.f * M_PI * distance * freq_in_hertz / sound_speed;
96 96
97 // Euler's formula for mat[0][c_ix] = e^(j * phase_shift). 97 // Euler's formula for mat[0][c_ix] = e^(j * phase_shift).
98 mat_els[0][c_ix] = complex<float>(cos(phase_shift), sin(phase_shift)); 98 mat_els[0][c_ix] = complex<float>(cos(phase_shift), sin(phase_shift));
99 } 99 }
100 } 100 }
101 101
102 } // namespace webrtc 102 } // namespace webrtc
OLDNEW
« no previous file with comments | « webrtc/modules/audio_processing/beamformer/complex_matrix.h ('k') | webrtc/modules/audio_processing/beamformer/matrix.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698