config_selector.h - mozsearch

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/*

 *  Copyright (c) 2022 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 MODULES_AUDIO_PROCESSING_AEC3_CONFIG_SELECTOR_H_

#define MODULES_AUDIO_PROCESSING_AEC3_CONFIG_SELECTOR_H_

#include "absl/types/optional.h"

#include "api/audio/echo_canceller3_config.h"

namespace webrtc {

// Selects the config to use.

class ConfigSelector {

 public:

  ConfigSelector(

      const EchoCanceller3Config& config,

      const absl::optional<EchoCanceller3Config>& multichannel_config,

      int num_render_input_channels);

  // Updates the config selection based on the detection of multichannel

  // content.

  void Update(bool multichannel_content);

  const EchoCanceller3Config& active_config() const { return *active_config_; }

 private:

  const EchoCanceller3Config config_;

  const absl::optional<EchoCanceller3Config> multichannel_config_;

  const EchoCanceller3Config* active_config_ = nullptr;

};

}  // namespace webrtc

#endif  // MODULES_AUDIO_PROCESSING_AEC3_CONFIG_SELECTOR_H_