1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "modules/audio_processing/aec3/render_delay_buffer.h"
#include <memory>
#include <string>
#include <vector>
#include "api/array_view.h"
#include "modules/audio_processing/aec3/aec3_common.h"
#include "modules/audio_processing/logging/apm_data_dumper.h"
#include "rtc_base/random.h"
#include "rtc_base/strings/string_builder.h"
#include "test/gtest.h"
namespace webrtc {
namespace {
std::string ProduceDebugText(int sample_rate_hz) {
rtc::StringBuilder ss;
ss << "Sample rate: " << sample_rate_hz;
return ss.Release();
}
} // namespace
// Verifies that the buffer overflow is correctly reported.
TEST(RenderDelayBuffer, BufferOverflow) {
const EchoCanceller3Config config;
for (auto num_channels : {1, 2, 8}) {
for (auto rate : {16000, 32000, 48000}) {
SCOPED_TRACE(ProduceDebugText(rate));
std::unique_ptr<RenderDelayBuffer> delay_buffer(
RenderDelayBuffer::Create(config, rate, num_channels));
std::vector<std::vector<std::vector<float>>> block_to_insert(
NumBandsForRate(rate),
std::vector<std::vector<float>>(num_channels,
std::vector<float>(kBlockSize, 0.f)));
for (size_t k = 0; k < 10; ++k) {
EXPECT_EQ(RenderDelayBuffer::BufferingEvent::kNone,
delay_buffer->Insert(block_to_insert));
}
bool overrun_occurred = false;
for (size_t k = 0; k < 1000; ++k) {
RenderDelayBuffer::BufferingEvent event =
delay_buffer->Insert(block_to_insert);
overrun_occurred =
overrun_occurred ||
RenderDelayBuffer::BufferingEvent::kRenderOverrun == event;
}
EXPECT_TRUE(overrun_occurred);
}
}
}
// Verifies that the check for available block works.
TEST(RenderDelayBuffer, AvailableBlock) {
constexpr size_t kNumChannels = 1;
constexpr int kSampleRateHz = 48000;
constexpr size_t kNumBands = NumBandsForRate(kSampleRateHz);
std::unique_ptr<RenderDelayBuffer> delay_buffer(RenderDelayBuffer::Create(
EchoCanceller3Config(), kSampleRateHz, kNumChannels));
std::vector<std::vector<std::vector<float>>> input_block(
kNumBands, std::vector<std::vector<float>>(
kNumChannels, std::vector<float>(kBlockSize, 1.f)));
EXPECT_EQ(RenderDelayBuffer::BufferingEvent::kNone,
delay_buffer->Insert(input_block));
delay_buffer->PrepareCaptureProcessing();
}
// Verifies the AlignFromDelay method.
TEST(RenderDelayBuffer, AlignFromDelay) {
EchoCanceller3Config config;
std::unique_ptr<RenderDelayBuffer> delay_buffer(
RenderDelayBuffer::Create(config, 16000, 1));
ASSERT_TRUE(delay_buffer->Delay());
delay_buffer->Reset();
size_t initial_internal_delay = 0;
for (size_t delay = initial_internal_delay;
delay < initial_internal_delay + 20; ++delay) {
ASSERT_TRUE(delay_buffer->AlignFromDelay(delay));
EXPECT_EQ(delay, delay_buffer->Delay());
}
}
#if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
// Verifies the check for feasible delay.
// TODO(peah): Re-enable the test once the issue with memory leaks during DEATH
// tests on test bots has been fixed.
TEST(RenderDelayBuffer, DISABLED_WrongDelay) {
std::unique_ptr<RenderDelayBuffer> delay_buffer(
RenderDelayBuffer::Create(EchoCanceller3Config(), 48000, 1));
EXPECT_DEATH(delay_buffer->AlignFromDelay(21), "");
}
// Verifies the check for the number of bands in the inserted blocks.
TEST(RenderDelayBuffer, WrongNumberOfBands) {
for (auto rate : {16000, 32000, 48000}) {
for (size_t num_channels : {1, 2, 8}) {
SCOPED_TRACE(ProduceDebugText(rate));
std::unique_ptr<RenderDelayBuffer> delay_buffer(RenderDelayBuffer::Create(
EchoCanceller3Config(), rate, num_channels));
std::vector<std::vector<std::vector<float>>> block_to_insert(
NumBandsForRate(rate < 48000 ? rate + 16000 : 16000),
std::vector<std::vector<float>>(num_channels,
std::vector<float>(kBlockSize, 0.f)));
EXPECT_DEATH(delay_buffer->Insert(block_to_insert), "");
}
}
}
// Verifies the check for the number of channels in the inserted blocks.
TEST(RenderDelayBuffer, WrongNumberOfChannels) {
for (auto rate : {16000, 32000, 48000}) {
for (size_t num_channels : {1, 2, 8}) {
SCOPED_TRACE(ProduceDebugText(rate));
std::unique_ptr<RenderDelayBuffer> delay_buffer(RenderDelayBuffer::Create(
EchoCanceller3Config(), rate, num_channels));
std::vector<std::vector<std::vector<float>>> block_to_insert(
NumBandsForRate(rate),
std::vector<std::vector<float>>(num_channels + 1,
std::vector<float>(kBlockSize, 0.f)));
EXPECT_DEATH(delay_buffer->Insert(block_to_insert), "");
}
}
}
// Verifies the check of the length of the inserted blocks.
TEST(RenderDelayBuffer, WrongBlockLength) {
for (auto rate : {16000, 32000, 48000}) {
for (size_t num_channels : {1, 2, 8}) {
SCOPED_TRACE(ProduceDebugText(rate));
std::unique_ptr<RenderDelayBuffer> delay_buffer(RenderDelayBuffer::Create(
EchoCanceller3Config(), rate, num_channels));
std::vector<std::vector<std::vector<float>>> block_to_insert(
NumBandsForRate(rate),
std::vector<std::vector<float>>(
num_channels, std::vector<float>(kBlockSize - 1, 0.f)));
EXPECT_DEATH(delay_buffer->Insert(block_to_insert), "");
}
}
}
#endif
} // namespace webrtc
|
