| /* |
| * 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.str(); |
| } |
| |
| } // namespace |
| |
| // Verifies that the buffer overflow is correctly reported. |
| TEST(RenderDelayBuffer, BufferOverflow) { |
| const EchoCanceller3Config config; |
| for (auto rate : {8000, 16000, 32000, 48000}) { |
| SCOPED_TRACE(ProduceDebugText(rate)); |
| std::unique_ptr<RenderDelayBuffer> delay_buffer( |
| RenderDelayBuffer::Create(config, NumBandsForRate(rate))); |
| std::vector<std::vector<float>> block_to_insert( |
| NumBandsForRate(rate), 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 kNumBands = 1; |
| std::unique_ptr<RenderDelayBuffer> delay_buffer( |
| RenderDelayBuffer::Create(EchoCanceller3Config(), kNumBands)); |
| std::vector<std::vector<float>> input_block( |
| kNumBands, std::vector<float>(kBlockSize, 1.f)); |
| EXPECT_EQ(RenderDelayBuffer::BufferingEvent::kNone, |
| delay_buffer->Insert(input_block)); |
| delay_buffer->PrepareCaptureProcessing(); |
| } |
| |
| // Verifies the SetDelay method. |
| TEST(RenderDelayBuffer, SetDelay) { |
| EchoCanceller3Config config; |
| std::unique_ptr<RenderDelayBuffer> delay_buffer( |
| RenderDelayBuffer::Create(config, 1)); |
| ASSERT_TRUE(delay_buffer->Delay()); |
| delay_buffer->Reset(); |
| size_t initial_internal_delay = config.delay.min_echo_path_delay_blocks + |
| config.delay.api_call_jitter_blocks; |
| for (size_t delay = initial_internal_delay; |
| delay < initial_internal_delay + 20; ++delay) { |
| ASSERT_TRUE(delay_buffer->SetDelay(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(), 3)); |
| EXPECT_DEATH(delay_buffer->SetDelay(21), ""); |
| } |
| |
| // Verifies the check for the number of bands in the inserted blocks. |
| TEST(RenderDelayBuffer, WrongNumberOfBands) { |
| for (auto rate : {16000, 32000, 48000}) { |
| SCOPED_TRACE(ProduceDebugText(rate)); |
| std::unique_ptr<RenderDelayBuffer> delay_buffer(RenderDelayBuffer::Create( |
| EchoCanceller3Config(), NumBandsForRate(rate))); |
| std::vector<std::vector<float>> block_to_insert( |
| NumBandsForRate(rate < 48000 ? rate + 16000 : 16000), |
| 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 : {8000, 16000, 32000, 48000}) { |
| SCOPED_TRACE(ProduceDebugText(rate)); |
| std::unique_ptr<RenderDelayBuffer> delay_buffer( |
| RenderDelayBuffer::Create(EchoCanceller3Config(), 3)); |
| std::vector<std::vector<float>> block_to_insert( |
| NumBandsForRate(rate), std::vector<float>(kBlockSize - 1, 0.f)); |
| EXPECT_DEATH(delay_buffer->Insert(block_to_insert), ""); |
| } |
| } |
| |
| #endif |
| |
| } // namespace webrtc |