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/*
* Copyright (c) 2016 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_CODING_AUDIO_NETWORK_ADAPTOR_CHANNEL_CONTROLLER_H_
#define MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_CHANNEL_CONTROLLER_H_
#include <stddef.h>
#include "absl/types/optional.h"
#include "modules/audio_coding/audio_network_adaptor/controller.h"
#include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
namespace webrtc {
class ChannelController final : public Controller {
public:
struct Config {
Config(size_t num_encoder_channels,
size_t intial_channels_to_encode,
int channel_1_to_2_bandwidth_bps,
int channel_2_to_1_bandwidth_bps);
size_t num_encoder_channels;
size_t intial_channels_to_encode;
// Uplink bandwidth above which the number of encoded channels should switch
// from 1 to 2.
int channel_1_to_2_bandwidth_bps;
// Uplink bandwidth below which the number of encoded channels should switch
// from 2 to 1.
int channel_2_to_1_bandwidth_bps;
};
explicit ChannelController(const Config& config);
~ChannelController() override;
ChannelController(const ChannelController&) = delete;
ChannelController& operator=(const ChannelController&) = delete;
void UpdateNetworkMetrics(const NetworkMetrics& network_metrics) override;
void MakeDecision(AudioEncoderRuntimeConfig* config) override;
private:
const Config config_;
size_t channels_to_encode_;
absl::optional<int> uplink_bandwidth_bps_;
};
} // namespace webrtc
#endif // MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_CHANNEL_CONTROLLER_H_
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