219208991b
canceller 3 This CL adds code to the all the delay estimation functionality that is available for the first version of echo canceller 3. The code completes the class EchoPathDelayEstimator. Note that this code does not yet include any handling of clock-drift so there will be upcoming versions of this code. Also note that the CL includes some minor changes in other files for echo canceller 3. BUG=webrtc:6018 Review-Url: https://codereview.webrtc.org/2644123002 Cr-Commit-Position: refs/heads/master@{#16489}
74 lines
2.4 KiB
C++
74 lines
2.4 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 "webrtc/modules/audio_processing/aec3/echo_remover.h"
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#include <algorithm>
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#include <vector>
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#include "webrtc/base/constructormagic.h"
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#include "webrtc/base/checks.h"
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#include "webrtc/base/optional.h"
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#include "webrtc/modules/audio_processing/aec3/aec3_constants.h"
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namespace webrtc {
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namespace {
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class EchoRemoverImpl final : public EchoRemover {
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public:
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explicit EchoRemoverImpl(int sample_rate_hz);
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~EchoRemoverImpl() override;
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void ProcessBlock(const rtc::Optional<size_t>& echo_path_delay_samples,
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const EchoPathVariability& echo_path_variability,
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bool capture_signal_saturation,
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const std::vector<std::vector<float>>& render,
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std::vector<std::vector<float>>* capture) override;
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void UpdateEchoLeakageStatus(bool leakage_detected) override;
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private:
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const int sample_rate_hz_;
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RTC_DISALLOW_COPY_AND_ASSIGN(EchoRemoverImpl);
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};
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// TODO(peah): Add functionality.
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EchoRemoverImpl::EchoRemoverImpl(int sample_rate_hz)
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: sample_rate_hz_(sample_rate_hz) {
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RTC_DCHECK(ValidFullBandRate(sample_rate_hz_));
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}
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EchoRemoverImpl::~EchoRemoverImpl() = default;
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// TODO(peah): Add functionality.
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void EchoRemoverImpl::ProcessBlock(
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const rtc::Optional<size_t>& echo_path_delay_samples,
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const EchoPathVariability& echo_path_variability,
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bool capture_signal_saturation,
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const std::vector<std::vector<float>>& render,
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std::vector<std::vector<float>>* capture) {
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RTC_DCHECK(capture);
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RTC_DCHECK_EQ(render.size(), NumBandsForRate(sample_rate_hz_));
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RTC_DCHECK_EQ(capture->size(), NumBandsForRate(sample_rate_hz_));
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RTC_DCHECK_EQ(render[0].size(), kBlockSize);
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RTC_DCHECK_EQ((*capture)[0].size(), kBlockSize);
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}
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// TODO(peah): Add functionality.
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void EchoRemoverImpl::UpdateEchoLeakageStatus(bool leakage_detected) {}
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} // namespace
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EchoRemover* EchoRemover::Create(int sample_rate_hz) {
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return new EchoRemoverImpl(sample_rate_hz);
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}
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} // namespace webrtc
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