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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_BITRATE_CONTROLLER_H_
#define MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_BITRATE_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 {
namespace audio_network_adaptor {
class BitrateController final : public Controller {
public:
struct Config {
Config(int initial_bitrate_bps,
int initial_frame_length_ms,
int fl_increase_overhead_offset,
int fl_decrease_overhead_offset);
~Config();
int initial_bitrate_bps;
int initial_frame_length_ms;
int fl_increase_overhead_offset;
int fl_decrease_overhead_offset;
};
explicit BitrateController(const Config& config);
~BitrateController() override;
BitrateController(const BitrateController&) = delete;
BitrateController& operator=(const BitrateController&) = delete;
void UpdateNetworkMetrics(const NetworkMetrics& network_metrics) override;
void MakeDecision(AudioEncoderRuntimeConfig* config) override;
private:
const Config config_;
int bitrate_bps_;
int frame_length_ms_;
absl::optional<int> target_audio_bitrate_bps_;
absl::optional<size_t> overhead_bytes_per_packet_;
};
} // namespace audio_network_adaptor
} // namespace webrtc
#endif // MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_BITRATE_CONTROLLER_H_
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