blob: 8a28729ba6df8606c31736cbf216a5c423a50a1d [file] [log] [blame]
* 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 <vector>
#include "webrtc/api/optional.h"
#include "webrtc/modules/audio_processing/aec3/echo_path_variability.h"
#include "webrtc/modules/audio_processing/aec3/render_buffer.h"
#include "webrtc/modules/audio_processing/include/audio_processing.h"
namespace webrtc {
// Class for removing the echo from the capture signal.
class EchoRemover {
static EchoRemover* Create(
const AudioProcessing::Config::EchoCanceller3& config,
int sample_rate_hz);
virtual ~EchoRemover() = default;
// Removes the echo from a block of samples from the capture signal. The
// supplied render signal is assumed to be pre-aligned with the capture
// signal.
virtual void ProcessCapture(
const rtc::Optional<size_t>& echo_path_delay_samples,
const EchoPathVariability& echo_path_variability,
bool capture_signal_saturation,
const RenderBuffer& render_buffer,
std::vector<std::vector<float>>* capture) = 0;
// Updates the status on whether echo leakage is detected in the output of the
// echo remover.
virtual void UpdateEchoLeakageStatus(bool leakage_detected) = 0;
} // namespace webrtc