Line data    Source code

       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 WEBRTC_MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_CHANNEL_CONTROLLER_H_
      12             : #define WEBRTC_MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_CHANNEL_CONTROLLER_H_
      13             : 
      14             : #include "webrtc/base/constructormagic.h"
      15             : #include "webrtc/modules/audio_coding/audio_network_adaptor/controller.h"
      16             : 
      17             : namespace webrtc {
      18             : 
      19           0 : class ChannelController final : public Controller {
      20             :  public:
      21             :   struct Config {
      22             :     Config(size_t num_encoder_channels,
      23             :            size_t intial_channels_to_encode,
      24             :            int channel_1_to_2_bandwidth_bps,
      25             :            int channel_2_to_1_bandwidth_bps);
      26             :     size_t num_encoder_channels;
      27             :     size_t intial_channels_to_encode;
      28             :     // Uplink bandwidth above which the number of encoded channels should switch
      29             :     // from 1 to 2.
      30             :     int channel_1_to_2_bandwidth_bps;
      31             :     // Uplink bandwidth below which the number of encoded channels should switch
      32             :     // from 2 to 1.
      33             :     int channel_2_to_1_bandwidth_bps;
      34             :   };
      35             : 
      36             :   explicit ChannelController(const Config& config);
      37             : 
      38             :   void MakeDecision(const NetworkMetrics& metrics,
      39             :                     AudioNetworkAdaptor::EncoderRuntimeConfig* config) override;
      40             : 
      41             :  private:
      42             :   const Config config_;
      43             :   size_t channels_to_encode_;
      44             :   RTC_DISALLOW_COPY_AND_ASSIGN(ChannelController);
      45             : };
      46             : 
      47             : }  // namespace webrtc
      48             : 
      49             : #endif  // WEBRTC_MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_CHANNEL_CONTROLLER_H_