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3ab308f869
This CL adds functionality for passing the information about the estimated delay to the echo remover in AEC3. The CL also adds information about how long ago the delay changed, and how long ago the delay estimate was updated. Bug: webrtc:8671 Change-Id: If274ffe0465eb550f3e186d0599c6dc6fef7f5e8 Reviewed-on: https://webrtc-review.googlesource.com/55261 Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org> Commit-Queue: Per Åhgren <peah@webrtc.org> Cr-Commit-Position: refs/heads/master@{#22137}
52 lines
1.8 KiB
C++
52 lines
1.8 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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#ifndef MODULES_AUDIO_PROCESSING_AEC3_ECHO_REMOVER_H_
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#define MODULES_AUDIO_PROCESSING_AEC3_ECHO_REMOVER_H_
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#include <vector>
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#include "api/audio/echo_canceller3_config.h"
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#include "api/audio/echo_control.h"
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#include "api/optional.h"
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#include "modules/audio_processing/aec3/delay_estimate.h"
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#include "modules/audio_processing/aec3/echo_path_variability.h"
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#include "modules/audio_processing/aec3/render_buffer.h"
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namespace webrtc {
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// Class for removing the echo from the capture signal.
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class EchoRemover {
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public:
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static EchoRemover* Create(const EchoCanceller3Config& config,
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int sample_rate_hz);
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virtual ~EchoRemover() = default;
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// Get current metrics.
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virtual void GetMetrics(EchoControl::Metrics* metrics) const = 0;
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// Removes the echo from a block of samples from the capture signal. The
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// supplied render signal is assumed to be pre-aligned with the capture
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// signal.
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virtual void ProcessCapture(
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const EchoPathVariability& echo_path_variability,
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bool capture_signal_saturation,
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const rtc::Optional<DelayEstimate>& delay_estimate,
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RenderBuffer* render_buffer,
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std::vector<std::vector<float>>* capture) = 0;
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// Updates the status on whether echo leakage is detected in the output of the
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// echo remover.
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virtual void UpdateEchoLeakageStatus(bool leakage_detected) = 0;
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};
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} // namespace webrtc
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#endif // MODULES_AUDIO_PROCESSING_AEC3_ECHO_REMOVER_H_
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