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/*
* Copyright 2011 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.
*/
#ifndef PC_PEER_CONNECTION_FACTORY_H_
#define PC_PEER_CONNECTION_FACTORY_H_
#include <stdint.h>
#include <stdio.h>
#include <memory>
#include <string>
#include "absl/strings/string_view.h"
#include "api/audio_options.h"
#include "api/environment/environment.h"
#include "api/fec_controller.h"
#include "api/field_trials_view.h"
#include "api/media_stream_interface.h"
#include "api/media_types.h"
#include "api/metronome/metronome.h"
#include "api/neteq/neteq_factory.h"
#include "api/network_state_predictor.h"
#include "api/peer_connection_interface.h"
#include "api/rtc_error.h"
#include "api/rtc_event_log/rtc_event_log_factory_interface.h"
#include "api/rtp_parameters.h"
#include "api/scoped_refptr.h"
#include "api/sequence_checker.h"
#include "api/transport/network_control.h"
#include "api/transport/sctp_transport_factory_interface.h"
#include "call/call.h"
#include "call/rtp_transport_controller_send_factory_interface.h"
#include "media/base/media_engine.h"
#include "p2p/base/port_allocator.h"
#include "pc/codec_vendor.h"
#include "pc/connection_context.h"
#include "rtc_base/thread.h"
#include "rtc_base/thread_annotations.h"
namespace webrtc {
class PeerConnectionFactory : public PeerConnectionFactoryInterface {
public:
// Creates a PeerConnectionFactory. It returns nullptr on initialization
// error.
//
// The Dependencies structure allows simple management of all new
// dependencies being added to the PeerConnectionFactory.
static scoped_refptr<PeerConnectionFactory> Create(
PeerConnectionFactoryDependencies dependencies);
void SetOptions(const Options& options) override;
RTCErrorOr<scoped_refptr<PeerConnectionInterface>>
CreatePeerConnectionOrError(
const PeerConnectionInterface::RTCConfiguration& configuration,
PeerConnectionDependencies dependencies) override;
RtpCapabilities GetRtpSenderCapabilities(
webrtc::MediaType kind) const override;
RtpCapabilities GetRtpReceiverCapabilities(
webrtc::MediaType kind) const override;
scoped_refptr<MediaStreamInterface> CreateLocalMediaStream(
const std::string& stream_id) override;
scoped_refptr<AudioSourceInterface> CreateAudioSource(
const AudioOptions& options) override;
scoped_refptr<VideoTrackInterface> CreateVideoTrack(
scoped_refptr<VideoTrackSourceInterface> video_source,
absl::string_view id) override;
scoped_refptr<AudioTrackInterface> CreateAudioTrack(
const std::string& id,
AudioSourceInterface* audio_source) override;
bool StartAecDump(FILE* file, int64_t max_size_bytes) override;
void StopAecDump() override;
SctpTransportFactoryInterface* sctp_transport_factory() {
return context_->sctp_transport_factory();
}
Thread* signaling_thread() const {
// This method can be called on a different thread when the factory is
// created in CreatePeerConnectionFactory().
return context_->signaling_thread();
}
Thread* worker_thread() const { return context_->worker_thread(); }
const Options& options() const {
RTC_DCHECK_RUN_ON(signaling_thread());
return options_;
}
const FieldTrialsView& field_trials() const {
return context_->env().field_trials();
}
MediaEngineInterface* media_engine() const;
CodecVendor& CodecVendorForTesting() { return codec_vendor_; }
protected:
// Constructor used by the static Create() method. Modifies the dependencies.
PeerConnectionFactory(scoped_refptr<ConnectionContext> context,
PeerConnectionFactoryDependencies* dependencies);
// Constructor for use in testing. Ignores the possibility of initialization
// failure. The dependencies are passed in by std::move().
explicit PeerConnectionFactory(
PeerConnectionFactoryDependencies dependencies);
virtual ~PeerConnectionFactory();
private:
Thread* network_thread() const { return context_->network_thread(); }
bool IsTrialEnabled(absl::string_view key) const;
std::unique_ptr<Call> CreateCall_w(
const Environment& env,
const PeerConnectionInterface::RTCConfiguration& configuration,
std::unique_ptr<NetworkControllerFactoryInterface>
network_controller_factory);
scoped_refptr<ConnectionContext> context_;
PeerConnectionFactoryInterface::Options options_
RTC_GUARDED_BY(signaling_thread());
CodecVendor codec_vendor_;
std::unique_ptr<RtcEventLogFactoryInterface> event_log_factory_;
std::unique_ptr<FecControllerFactoryInterface> fec_controller_factory_;
std::unique_ptr<NetworkStatePredictorFactoryInterface>
network_state_predictor_factory_;
std::unique_ptr<NetworkControllerFactoryInterface>
injected_network_controller_factory_;
std::unique_ptr<NetEqFactory> neteq_factory_;
const std::unique_ptr<RtpTransportControllerSendFactoryInterface>
transport_controller_send_factory_;
std::unique_ptr<Metronome> decode_metronome_ RTC_GUARDED_BY(worker_thread());
std::unique_ptr<Metronome> encode_metronome_ RTC_GUARDED_BY(worker_thread());
};
} // namespace webrtc
#endif // PC_PEER_CONNECTION_FACTORY_H_
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