text: /*
   *  Copyright 2017 The WebRTC project authors. All Rights Reserved.
   *
   *  Use of this source code is governed by a BSD-style license
   *  that can be found in the LICENSE file in the root of the source
   *  tree. An additional intellectual property rights grant can be found
   *  in the file PATENTS.  All contributing project authors may
   *  be found in the AUTHORS file in the root of the source tree.
   */
  
  #include "webrtc/api/audio_codecs/builtin_audio_decoder_factory.h"
  #include "webrtc/api/audio_codecs/builtin_audio_encoder_factory.h"
  #include "webrtc/api/peerconnectioninterface.h"
  #include "webrtc/call/callfactoryinterface.h"
  #include "webrtc/logging/rtc_event_log/rtc_event_log_factory_interface.h"
  #include "webrtc/media/engine/webrtcmediaengine.h"
  #include "webrtc/modules/audio_processing/include/audio_processing.h"
  #include "webrtc/rtc_base/bind.h"
  #include "webrtc/rtc_base/scoped_ref_ptr.h"
  #include "webrtc/rtc_base/thread.h"
  
  namespace webrtc {
  
  rtc::scoped_refptr<PeerConnectionFactoryInterface> CreatePeerConnectionFactory(
      rtc::scoped_refptr<AudioEncoderFactory> audio_encoder_factory,
      rtc::scoped_refptr<AudioDecoderFactory> audio_decoder_factory) {
    return CreatePeerConnectionFactoryWithAudioMixer(
        nullptr /*network_thread*/, nullptr /*worker_thread*/,
        nullptr /*signaling_thread*/, nullptr /*default_adm*/,
        audio_encoder_factory, audio_decoder_factory,
        nullptr /*video_encoder_factory*/, nullptr /*video_decoder_factory*/,
        nullptr /*audio_mixer*/);
  }
  
  rtc::scoped_refptr<PeerConnectionFactoryInterface>
  CreatePeerConnectionFactory() {
    return CreatePeerConnectionFactory(CreateBuiltinAudioEncoderFactory(),
                                       CreateBuiltinAudioDecoderFactory());
  }
  
  // Note: all the other CreatePeerConnectionFactory variants just end up calling
  // this, ultimately.
  rtc::scoped_refptr<PeerConnectionFactoryInterface> CreatePeerConnectionFactory(
      rtc::Thread* network_thread,
      rtc::Thread* worker_thread,
      rtc::Thread* signaling_thread,
      AudioDeviceModule* default_adm,
      rtc::scoped_refptr<AudioEncoderFactory> audio_encoder_factory,
      rtc::scoped_refptr<AudioDecoderFactory> audio_decoder_factory,
      cricket::WebRtcVideoEncoderFactory* video_encoder_factory,
      cricket::WebRtcVideoDecoderFactory* video_decoder_factory,
      rtc::scoped_refptr<AudioMixer> audio_mixer,
      rtc::scoped_refptr<AudioProcessing> audio_processing) {
    rtc::scoped_refptr<AudioProcessing> audio_processing_use = audio_processing;
    if (!audio_processing_use) {
      audio_processing_use = AudioProcessing::Create();
    }
  
    std::unique_ptr<cricket::MediaEngineInterface> media_engine(
        cricket::WebRtcMediaEngineFactory::Create(
            default_adm, audio_encoder_factory, audio_decoder_factory,
            video_encoder_factory, video_decoder_factory, audio_mixer,
            audio_processing_use));
  
    std::unique_ptr<CallFactoryInterface> call_factory = CreateCallFactory();
  
    std::unique_ptr<RtcEventLogFactoryInterface> event_log_factory =
        CreateRtcEventLogFactory();
  
    return CreateModularPeerConnectionFactory(
        network_thread, worker_thread, signaling_thread, default_adm,
        audio_encoder_factory, audio_decoder_factory, video_encoder_factory,
        video_decoder_factory, audio_mixer, std::move(media_engine),
        std::move(call_factory), std::move(event_log_factory));
  }
  
  rtc::scoped_refptr<PeerConnectionFactoryInterface>
  CreatePeerConnectionFactoryWithAudioMixer(
      rtc::Thread* network_thread,
      rtc::Thread* worker_thread,
      rtc::Thread* signaling_thread,
      AudioDeviceModule* default_adm,
      rtc::scoped_refptr<AudioEncoderFactory> audio_encoder_factory,
      rtc::scoped_refptr<AudioDecoderFactory> audio_decoder_factory,
      cricket::WebRtcVideoEncoderFactory* video_encoder_factory,
      cricket::WebRtcVideoDecoderFactory* video_decoder_factory,
      rtc::scoped_refptr<AudioMixer> audio_mixer) {
    return CreatePeerConnectionFactory(
        network_thread, worker_thread, signaling_thread, default_adm,
        audio_encoder_factory, audio_decoder_factory, video_encoder_factory,
        video_decoder_factory, audio_mixer, nullptr);
  }
  
  rtc::scoped_refptr<PeerConnectionFactoryInterface>
  CreatePeerConnectionFactoryWithAudioMixer(
      rtc::Thread* network_thread,
      rtc::Thread* worker_thread,
      rtc::Thread* signaling_thread,
      AudioDeviceModule* default_adm,
      cricket::WebRtcVideoEncoderFactory* encoder_factory,
      cricket::WebRtcVideoDecoderFactory* decoder_factory,
      rtc::scoped_refptr<AudioMixer> audio_mixer) {
    return CreatePeerConnectionFactoryWithAudioMixer(
        network_thread, worker_thread, signaling_thread, default_adm,
        CreateBuiltinAudioEncoderFactory(), CreateBuiltinAudioDecoderFactory(),
        encoder_factory, decoder_factory, audio_mixer);
  }
  
  rtc::scoped_refptr<PeerConnectionFactoryInterface> CreatePeerConnectionFactory(
      rtc::Thread* network_thread,
      rtc::Thread* worker_thread,
      rtc::Thread* signaling_thread,
      AudioDeviceModule* default_adm,
      cricket::WebRtcVideoEncoderFactory* encoder_factory,
      cricket::WebRtcVideoDecoderFactory* decoder_factory) {
    return CreatePeerConnectionFactoryWithAudioMixer(
        network_thread, worker_thread, signaling_thread, default_adm,
        encoder_factory, decoder_factory, nullptr);
  }
  
  rtc::scoped_refptr<PeerConnectionFactoryInterface> CreatePeerConnectionFactory(
      rtc::Thread* network_thread,
      rtc::Thread* worker_thread,
      rtc::Thread* signaling_thread,
      AudioDeviceModule* default_adm,
      rtc::scoped_refptr<AudioEncoderFactory> audio_encoder_factory,
      rtc::scoped_refptr<AudioDecoderFactory> audio_decoder_factory,
      cricket::WebRtcVideoEncoderFactory* video_encoder_factory,
      cricket::WebRtcVideoDecoderFactory* video_decoder_factory) {
    return CreatePeerConnectionFactoryWithAudioMixer(
        network_thread, worker_thread, signaling_thread, default_adm,
        audio_encoder_factory, audio_decoder_factory, video_encoder_factory,
        video_decoder_factory, nullptr);
  }
  
  }  // namespace webrtc
  