1 /*
2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
3 *
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
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #include "modules/audio_processing/aec3/block_processor_metrics.h"
12
13 #include "modules/audio_processing/aec3/aec3_common.h"
14 #include "system_wrappers/include/metrics.h"
15
16 namespace webrtc {
17
18 namespace {
19
20 enum class RenderUnderrunCategory {
21 kNone,
22 kFew,
23 kSeveral,
24 kMany,
25 kConstant,
26 kNumCategories
27 };
28
29 enum class RenderOverrunCategory {
30 kNone,
31 kFew,
32 kSeveral,
33 kMany,
34 kConstant,
35 kNumCategories
36 };
37
38 } // namespace
39
UpdateCapture(bool underrun)40 void BlockProcessorMetrics::UpdateCapture(bool underrun) {
41 ++capture_block_counter_;
42 if (underrun) {
43 ++render_buffer_underruns_;
44 }
45
46 if (capture_block_counter_ == kMetricsReportingIntervalBlocks) {
47 metrics_reported_ = true;
48
49 RenderUnderrunCategory underrun_category;
50 if (render_buffer_underruns_ == 0) {
51 underrun_category = RenderUnderrunCategory::kNone;
52 } else if (render_buffer_underruns_ > (capture_block_counter_ >> 1)) {
53 underrun_category = RenderUnderrunCategory::kConstant;
54 } else if (render_buffer_underruns_ > 100) {
55 underrun_category = RenderUnderrunCategory::kMany;
56 } else if (render_buffer_underruns_ > 10) {
57 underrun_category = RenderUnderrunCategory::kSeveral;
58 } else {
59 underrun_category = RenderUnderrunCategory::kFew;
60 }
61 RTC_HISTOGRAM_ENUMERATION(
62 "WebRTC.Audio.EchoCanceller.RenderUnderruns",
63 static_cast<int>(underrun_category),
64 static_cast<int>(RenderUnderrunCategory::kNumCategories));
65
66 RenderOverrunCategory overrun_category;
67 if (render_buffer_overruns_ == 0) {
68 overrun_category = RenderOverrunCategory::kNone;
69 } else if (render_buffer_overruns_ > (buffer_render_calls_ >> 1)) {
70 overrun_category = RenderOverrunCategory::kConstant;
71 } else if (render_buffer_overruns_ > 100) {
72 overrun_category = RenderOverrunCategory::kMany;
73 } else if (render_buffer_overruns_ > 10) {
74 overrun_category = RenderOverrunCategory::kSeveral;
75 } else {
76 overrun_category = RenderOverrunCategory::kFew;
77 }
78 RTC_HISTOGRAM_ENUMERATION(
79 "WebRTC.Audio.EchoCanceller.RenderOverruns",
80 static_cast<int>(overrun_category),
81 static_cast<int>(RenderOverrunCategory::kNumCategories));
82
83 ResetMetrics();
84 capture_block_counter_ = 0;
85 } else {
86 metrics_reported_ = false;
87 }
88 }
89
UpdateRender(bool overrun)90 void BlockProcessorMetrics::UpdateRender(bool overrun) {
91 ++buffer_render_calls_;
92 if (overrun) {
93 ++render_buffer_overruns_;
94 }
95 }
96
ResetMetrics()97 void BlockProcessorMetrics::ResetMetrics() {
98 render_buffer_underruns_ = 0;
99 render_buffer_overruns_ = 0;
100 buffer_render_calls_ = 0;
101 }
102
103 } // namespace webrtc
104