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1 /*
2  *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #ifndef MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_CONTROLLER_H_
12 #define MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_CONTROLLER_H_
13 
14 #include "absl/types/optional.h"
15 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor.h"
16 
17 namespace webrtc {
18 
19 class Controller {
20  public:
21   struct NetworkMetrics {
22     NetworkMetrics();
23     ~NetworkMetrics();
24     absl::optional<int> uplink_bandwidth_bps;
25     absl::optional<float> uplink_packet_loss_fraction;
26     absl::optional<int> target_audio_bitrate_bps;
27     absl::optional<int> rtt_ms;
28     absl::optional<size_t> overhead_bytes_per_packet;
29   };
30 
31   virtual ~Controller() = default;
32 
33   // Informs network metrics update to this controller. Any non-empty field
34   // indicates an update on the corresponding network metric.
35   virtual void UpdateNetworkMetrics(const NetworkMetrics& network_metrics) = 0;
36 
37   virtual void MakeDecision(AudioEncoderRuntimeConfig* config) = 0;
38 };
39 
40 }  // namespace webrtc
41 
42 #endif  // MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_CONTROLLER_H_
43