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_CHANNEL_CONTROLLER_H_ 12 #define MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_CHANNEL_CONTROLLER_H_ 13 14 #include <stddef.h> 15 16 #include "absl/types/optional.h" 17 #include "modules/audio_coding/audio_network_adaptor/controller.h" 18 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h" 19 #include "rtc_base/constructor_magic.h" 20 21 namespace webrtc { 22 23 class ChannelController final : public Controller { 24 public: 25 struct Config { 26 Config(size_t num_encoder_channels, 27 size_t intial_channels_to_encode, 28 int channel_1_to_2_bandwidth_bps, 29 int channel_2_to_1_bandwidth_bps); 30 size_t num_encoder_channels; 31 size_t intial_channels_to_encode; 32 // Uplink bandwidth above which the number of encoded channels should switch 33 // from 1 to 2. 34 int channel_1_to_2_bandwidth_bps; 35 // Uplink bandwidth below which the number of encoded channels should switch 36 // from 2 to 1. 37 int channel_2_to_1_bandwidth_bps; 38 }; 39 40 explicit ChannelController(const Config& config); 41 42 ~ChannelController() override; 43 44 void UpdateNetworkMetrics(const NetworkMetrics& network_metrics) override; 45 46 void MakeDecision(AudioEncoderRuntimeConfig* config) override; 47 48 private: 49 const Config config_; 50 size_t channels_to_encode_; 51 absl::optional<int> uplink_bandwidth_bps_; 52 RTC_DISALLOW_COPY_AND_ASSIGN(ChannelController); 53 }; 54 55 } // namespace webrtc 56 57 #endif // MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_CHANNEL_CONTROLLER_H_ 58