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/render_delay_buffer.h"
12
13 #include <memory>
14 #include <sstream>
15 #include <string>
16 #include <vector>
17
18 #include "api/array_view.h"
19 #include "modules/audio_processing/aec3/aec3_common.h"
20 #include "modules/audio_processing/logging/apm_data_dumper.h"
21 #include "rtc_base/random.h"
22 #include "test/gtest.h"
23
24 namespace webrtc {
25 namespace {
26
ProduceDebugText(int sample_rate_hz)27 std::string ProduceDebugText(int sample_rate_hz) {
28 std::ostringstream ss;
29 ss << "Sample rate: " << sample_rate_hz;
30 return ss.str();
31 }
32
33 constexpr size_t kDownSamplingFactor = 4;
34 constexpr size_t kNumMatchedFilters = 4;
35
36 } // namespace
37
38 // Verifies that the buffer overflow is correctly reported.
TEST(RenderDelayBuffer,BufferOverflow)39 TEST(RenderDelayBuffer, BufferOverflow) {
40 for (auto rate : {8000, 16000, 32000, 48000}) {
41 SCOPED_TRACE(ProduceDebugText(rate));
42 std::unique_ptr<RenderDelayBuffer> delay_buffer(RenderDelayBuffer::Create(
43 NumBandsForRate(rate), kDownSamplingFactor,
44 GetDownSampledBufferSize(kDownSamplingFactor, kNumMatchedFilters),
45 GetRenderDelayBufferSize(kDownSamplingFactor, kNumMatchedFilters)));
46 std::vector<std::vector<float>> block_to_insert(
47 NumBandsForRate(rate), std::vector<float>(kBlockSize, 0.f));
48 for (size_t k = 0; k < kMaxApiCallsJitterBlocks; ++k) {
49 EXPECT_TRUE(delay_buffer->Insert(block_to_insert));
50 }
51 EXPECT_FALSE(delay_buffer->Insert(block_to_insert));
52 }
53 }
54
55 // Verifies that the check for available block works.
TEST(RenderDelayBuffer,AvailableBlock)56 TEST(RenderDelayBuffer, AvailableBlock) {
57 constexpr size_t kNumBands = 1;
58 std::unique_ptr<RenderDelayBuffer> delay_buffer(RenderDelayBuffer::Create(
59 kNumBands, kDownSamplingFactor,
60 GetDownSampledBufferSize(kDownSamplingFactor, kNumMatchedFilters),
61 GetRenderDelayBufferSize(kDownSamplingFactor, kNumMatchedFilters)));
62 std::vector<std::vector<float>> input_block(
63 kNumBands, std::vector<float>(kBlockSize, 1.f));
64 EXPECT_TRUE(delay_buffer->Insert(input_block));
65 delay_buffer->UpdateBuffers();
66 }
67
68 // Verifies the SetDelay method.
TEST(RenderDelayBuffer,SetDelay)69 TEST(RenderDelayBuffer, SetDelay) {
70 std::unique_ptr<RenderDelayBuffer> delay_buffer(RenderDelayBuffer::Create(
71 1, kDownSamplingFactor,
72 GetDownSampledBufferSize(kDownSamplingFactor, kNumMatchedFilters),
73 GetRenderDelayBufferSize(kDownSamplingFactor, kNumMatchedFilters)));
74 EXPECT_EQ(0u, delay_buffer->Delay());
75 for (size_t delay = 0; delay < 20; ++delay) {
76 delay_buffer->SetDelay(delay);
77 EXPECT_EQ(delay, delay_buffer->Delay());
78 }
79 }
80
81 #if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
82
83 // Verifies the check for feasible delay.
84 // TODO(peah): Re-enable the test once the issue with memory leaks during DEATH
85 // tests on test bots has been fixed.
TEST(RenderDelayBuffer,DISABLED_WrongDelay)86 TEST(RenderDelayBuffer, DISABLED_WrongDelay) {
87 std::unique_ptr<RenderDelayBuffer> delay_buffer(RenderDelayBuffer::Create(
88 3, kDownSamplingFactor,
89 GetDownSampledBufferSize(kDownSamplingFactor, kNumMatchedFilters),
90 GetRenderDelayBufferSize(kDownSamplingFactor, kNumMatchedFilters)));
91 EXPECT_DEATH(delay_buffer->SetDelay(21), "");
92 }
93
94 // Verifies the check for the number of bands in the inserted blocks.
TEST(RenderDelayBuffer,WrongNumberOfBands)95 TEST(RenderDelayBuffer, WrongNumberOfBands) {
96 for (auto rate : {16000, 32000, 48000}) {
97 SCOPED_TRACE(ProduceDebugText(rate));
98 std::unique_ptr<RenderDelayBuffer> delay_buffer(RenderDelayBuffer::Create(
99 NumBandsForRate(rate), kDownSamplingFactor,
100 GetDownSampledBufferSize(kDownSamplingFactor, kNumMatchedFilters),
101 GetRenderDelayBufferSize(kDownSamplingFactor, kNumMatchedFilters)));
102 std::vector<std::vector<float>> block_to_insert(
103 NumBandsForRate(rate < 48000 ? rate + 16000 : 16000),
104 std::vector<float>(kBlockSize, 0.f));
105 EXPECT_DEATH(delay_buffer->Insert(block_to_insert), "");
106 }
107 }
108
109 // Verifies the check of the length of the inserted blocks.
TEST(RenderDelayBuffer,WrongBlockLength)110 TEST(RenderDelayBuffer, WrongBlockLength) {
111 for (auto rate : {8000, 16000, 32000, 48000}) {
112 SCOPED_TRACE(ProduceDebugText(rate));
113 std::unique_ptr<RenderDelayBuffer> delay_buffer(RenderDelayBuffer::Create(
114 3, kDownSamplingFactor,
115 GetDownSampledBufferSize(kDownSamplingFactor, kNumMatchedFilters),
116 GetRenderDelayBufferSize(kDownSamplingFactor, kNumMatchedFilters)));
117 std::vector<std::vector<float>> block_to_insert(
118 NumBandsForRate(rate), std::vector<float>(kBlockSize - 1, 0.f));
119 EXPECT_DEATH(delay_buffer->Insert(block_to_insert), "");
120 }
121 }
122
123 #endif
124
125 } // namespace webrtc
126