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38e2d95bda
This CL refactors the delay estimator in AEC3. Furthermore, it adds: 1. Allow for a customized delay estimator behavior to simplify development. 2. Exposes that behavior to clear configuration settings. 3. Adds logging of the delay range supported by the delay estimator. Bug: webrtc:8519 Change-Id: I1764a090519a78b021b2e7de565c52a6c02c848e Reviewed-on: https://webrtc-review.googlesource.com/21166 Commit-Queue: Per Åhgren <peah@webrtc.org> Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20733}
125 lines
4.8 KiB
C++
125 lines
4.8 KiB
C++
/*
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* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "modules/audio_processing/aec3/render_delay_buffer.h"
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#include <memory>
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#include <sstream>
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#include <string>
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#include <vector>
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#include "api/array_view.h"
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#include "modules/audio_processing/aec3/aec3_common.h"
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#include "modules/audio_processing/logging/apm_data_dumper.h"
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#include "rtc_base/random.h"
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#include "test/gtest.h"
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namespace webrtc {
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namespace {
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std::string ProduceDebugText(int sample_rate_hz) {
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std::ostringstream ss;
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ss << "Sample rate: " << sample_rate_hz;
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return ss.str();
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}
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constexpr size_t kDownSamplingFactor = 4;
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constexpr size_t kNumMatchedFilters = 4;
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} // namespace
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// Verifies that the buffer overflow is correctly reported.
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TEST(RenderDelayBuffer, BufferOverflow) {
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for (auto rate : {8000, 16000, 32000, 48000}) {
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SCOPED_TRACE(ProduceDebugText(rate));
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std::unique_ptr<RenderDelayBuffer> delay_buffer(RenderDelayBuffer::Create(
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NumBandsForRate(rate), kDownSamplingFactor,
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GetDownSampledBufferSize(kDownSamplingFactor, kNumMatchedFilters),
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GetRenderDelayBufferSize(kDownSamplingFactor, kNumMatchedFilters)));
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std::vector<std::vector<float>> block_to_insert(
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NumBandsForRate(rate), std::vector<float>(kBlockSize, 0.f));
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for (size_t k = 0; k < kMaxApiCallsJitterBlocks; ++k) {
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EXPECT_TRUE(delay_buffer->Insert(block_to_insert));
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}
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EXPECT_FALSE(delay_buffer->Insert(block_to_insert));
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}
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}
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// Verifies that the check for available block works.
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TEST(RenderDelayBuffer, AvailableBlock) {
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constexpr size_t kNumBands = 1;
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std::unique_ptr<RenderDelayBuffer> delay_buffer(RenderDelayBuffer::Create(
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kNumBands, kDownSamplingFactor,
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GetDownSampledBufferSize(kDownSamplingFactor, kNumMatchedFilters),
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GetRenderDelayBufferSize(kDownSamplingFactor, kNumMatchedFilters)));
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std::vector<std::vector<float>> input_block(
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kNumBands, std::vector<float>(kBlockSize, 1.f));
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EXPECT_TRUE(delay_buffer->Insert(input_block));
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delay_buffer->UpdateBuffers();
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}
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// Verifies the SetDelay method.
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TEST(RenderDelayBuffer, SetDelay) {
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std::unique_ptr<RenderDelayBuffer> delay_buffer(RenderDelayBuffer::Create(
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1, kDownSamplingFactor,
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GetDownSampledBufferSize(kDownSamplingFactor, kNumMatchedFilters),
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GetRenderDelayBufferSize(kDownSamplingFactor, kNumMatchedFilters)));
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EXPECT_EQ(0u, delay_buffer->Delay());
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for (size_t delay = 0; delay < 20; ++delay) {
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delay_buffer->SetDelay(delay);
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EXPECT_EQ(delay, delay_buffer->Delay());
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}
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}
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#if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
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// Verifies the check for feasible delay.
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// TODO(peah): Re-enable the test once the issue with memory leaks during DEATH
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// tests on test bots has been fixed.
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TEST(RenderDelayBuffer, DISABLED_WrongDelay) {
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std::unique_ptr<RenderDelayBuffer> delay_buffer(RenderDelayBuffer::Create(
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3, kDownSamplingFactor,
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GetDownSampledBufferSize(kDownSamplingFactor, kNumMatchedFilters),
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GetRenderDelayBufferSize(kDownSamplingFactor, kNumMatchedFilters)));
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EXPECT_DEATH(delay_buffer->SetDelay(21), "");
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}
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// Verifies the check for the number of bands in the inserted blocks.
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TEST(RenderDelayBuffer, WrongNumberOfBands) {
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for (auto rate : {16000, 32000, 48000}) {
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SCOPED_TRACE(ProduceDebugText(rate));
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std::unique_ptr<RenderDelayBuffer> delay_buffer(RenderDelayBuffer::Create(
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NumBandsForRate(rate), kDownSamplingFactor,
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GetDownSampledBufferSize(kDownSamplingFactor, kNumMatchedFilters),
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GetRenderDelayBufferSize(kDownSamplingFactor, kNumMatchedFilters)));
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std::vector<std::vector<float>> block_to_insert(
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NumBandsForRate(rate < 48000 ? rate + 16000 : 16000),
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std::vector<float>(kBlockSize, 0.f));
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EXPECT_DEATH(delay_buffer->Insert(block_to_insert), "");
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}
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}
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// Verifies the check of the length of the inserted blocks.
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TEST(RenderDelayBuffer, WrongBlockLength) {
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for (auto rate : {8000, 16000, 32000, 48000}) {
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SCOPED_TRACE(ProduceDebugText(rate));
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std::unique_ptr<RenderDelayBuffer> delay_buffer(RenderDelayBuffer::Create(
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3, kDownSamplingFactor,
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GetDownSampledBufferSize(kDownSamplingFactor, kNumMatchedFilters),
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GetRenderDelayBufferSize(kDownSamplingFactor, kNumMatchedFilters)));
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std::vector<std::vector<float>> block_to_insert(
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NumBandsForRate(rate), std::vector<float>(kBlockSize - 1, 0.f));
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EXPECT_DEATH(delay_buffer->Insert(block_to_insert), "");
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}
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}
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#endif
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} // namespace webrtc
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