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/*
* Copyright (c) 2018 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.
*/
#ifndef API_AUDIO_ECHO_CANCELLER3_FACTORY_H_
#define API_AUDIO_ECHO_CANCELLER3_FACTORY_H_
#include <memory>
#include <optional>
#include "absl/base/nullability.h"
#include "api/audio/echo_canceller3_config.h"
#include "api/audio/echo_control.h"
#include "api/environment/environment.h"
#include "rtc_base/system/rtc_export.h"
namespace webrtc {
class RTC_EXPORT EchoCanceller3Factory : public EchoControlFactory {
public:
// Factory producing EchoCanceller3 instances with the default configuration.
EchoCanceller3Factory();
// Factory producing EchoCanceller3 instances with the specified
// configuration.
explicit EchoCanceller3Factory(const EchoCanceller3Config& config);
// Factory producing EchoCanceller3 instances with the specified
// configuration and multichannel configuration.
EchoCanceller3Factory(
const EchoCanceller3Config& config,
std::optional<EchoCanceller3Config> multichannel_config);
// Creates an EchoCanceller3 with a specified channel count and sampling rate.
absl_nonnull std::unique_ptr<EchoControl> Create(
const Environment& env,
int sample_rate_hz,
int num_render_channels,
int num_capture_channels) override;
private:
const EchoCanceller3Config config_;
const std::optional<EchoCanceller3Config> multichannel_config_;
};
} // namespace webrtc
#endif // API_AUDIO_ECHO_CANCELLER3_FACTORY_H_
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