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 "api/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     rtc::Optional<int> uplink_bandwidth_bps;
25     rtc::Optional<float> uplink_packet_loss_fraction;
26     rtc::Optional<float> uplink_recoverable_packet_loss_fraction;
27     rtc::Optional<int> target_audio_bitrate_bps;
28     rtc::Optional<int> rtt_ms;
29     rtc::Optional<size_t> overhead_bytes_per_packet;
30   };
31 
32   virtual ~Controller() = default;
33 
34   // Informs network metrics update to this controller. Any non-empty field
35   // indicates an update on the corresponding network metric.
36   virtual void UpdateNetworkMetrics(const NetworkMetrics& network_metrics) = 0;
37 
38   virtual void MakeDecision(AudioEncoderRuntimeConfig* config) = 0;
39 };
40 
41 }  // namespace webrtc
42 
43 #endif  // MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_CONTROLLER_H_
44