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c20a19cc4b
This CL enables extracting the linear AEC output, allowing for more straightforward testing/development. Bug: b/140823178 Change-Id: I14f7934008d87066b35500466cb6e6d96f811688 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/153672 Commit-Queue: Per Åhgren <peah@webrtc.org> Reviewed-by: Gustaf Ullberg <gustaf@webrtc.org> Cr-Commit-Position: refs/heads/master@{#29789}
55 lines
2 KiB
C++
55 lines
2 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 "absl/types/optional.h"
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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 "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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size_t num_render_channels,
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size_t num_capture_channels);
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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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EchoPathVariability echo_path_variability,
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bool capture_signal_saturation,
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const absl::optional<DelayEstimate>& external_delay,
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RenderBuffer* render_buffer,
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std::vector<std::vector<std::vector<float>>>* linear_output,
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std::vector<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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