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_AUDIO_NETWORK_ADAPTOR_IMPL_H_
12 #define MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_AUDIO_NETWORK_ADAPTOR_IMPL_H_
13 
14 #include <stdio.h>
15 
16 #include <memory>
17 
18 #include "absl/types/optional.h"
19 #include "api/audio_codecs/audio_encoder.h"
20 #include "modules/audio_coding/audio_network_adaptor/controller.h"
21 #include "modules/audio_coding/audio_network_adaptor/debug_dump_writer.h"
22 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor.h"
23 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
24 
25 namespace webrtc {
26 
27 class ControllerManager;
28 class EventLogWriter;
29 class RtcEventLog;
30 
31 class AudioNetworkAdaptorImpl final : public AudioNetworkAdaptor {
32  public:
33   struct Config {
34     Config();
35     ~Config();
36     RtcEventLog* event_log;
37   };
38 
39   AudioNetworkAdaptorImpl(
40       const Config& config,
41       std::unique_ptr<ControllerManager> controller_manager,
42       std::unique_ptr<DebugDumpWriter> debug_dump_writer = nullptr);
43 
44   ~AudioNetworkAdaptorImpl() override;
45 
46   AudioNetworkAdaptorImpl(const AudioNetworkAdaptorImpl&) = delete;
47   AudioNetworkAdaptorImpl& operator=(const AudioNetworkAdaptorImpl&) = delete;
48 
49   void SetUplinkBandwidth(int uplink_bandwidth_bps) override;
50 
51   void SetUplinkPacketLossFraction(float uplink_packet_loss_fraction) override;
52 
53   void SetRtt(int rtt_ms) override;
54 
55   void SetTargetAudioBitrate(int target_audio_bitrate_bps) override;
56 
57   void SetOverhead(size_t overhead_bytes_per_packet) override;
58 
59   AudioEncoderRuntimeConfig GetEncoderRuntimeConfig() override;
60 
61   void StartDebugDump(FILE* file_handle) override;
62 
63   void StopDebugDump() override;
64 
65   ANAStats GetStats() const override;
66 
67  private:
68   void DumpNetworkMetrics();
69 
70   void UpdateNetworkMetrics(const Controller::NetworkMetrics& network_metrics);
71 
72   const Config config_;
73 
74   std::unique_ptr<ControllerManager> controller_manager_;
75 
76   std::unique_ptr<DebugDumpWriter> debug_dump_writer_;
77 
78   const std::unique_ptr<EventLogWriter> event_log_writer_;
79 
80   Controller::NetworkMetrics last_metrics_;
81 
82   absl::optional<AudioEncoderRuntimeConfig> prev_config_;
83 
84   ANAStats stats_;
85 };
86 
87 }  // namespace webrtc
88 
89 #endif  // MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_AUDIO_NETWORK_ADAPTOR_IMPL_H_
90