rhubarb-lip-sync/lib/webrtc-8d2248ff/webrtc/api/peerconnectionfactory.cc

339 lines
12 KiB
C++

/*
* Copyright 2004 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/peerconnectionfactory.h"
#include <utility>
#include "webrtc/api/audiotrack.h"
#include "webrtc/api/localaudiosource.h"
#include "webrtc/api/mediaconstraintsinterface.h"
#include "webrtc/api/mediastream.h"
#include "webrtc/api/mediastreamproxy.h"
#include "webrtc/api/mediastreamtrackproxy.h"
#include "webrtc/api/peerconnection.h"
#include "webrtc/api/peerconnectionfactoryproxy.h"
#include "webrtc/api/peerconnectionproxy.h"
#include "webrtc/api/videocapturertracksource.h"
#include "webrtc/api/videosourceproxy.h"
#include "webrtc/api/videotrack.h"
#include "webrtc/base/bind.h"
#include "webrtc/media/engine/webrtcmediaengine.h"
#include "webrtc/media/engine/webrtcvideodecoderfactory.h"
#include "webrtc/media/engine/webrtcvideoencoderfactory.h"
#include "webrtc/modules/audio_coding/codecs/builtin_audio_decoder_factory.h"
#include "webrtc/modules/audio_device/include/audio_device.h"
#include "webrtc/p2p/base/basicpacketsocketfactory.h"
#include "webrtc/p2p/client/basicportallocator.h"
namespace webrtc {
rtc::scoped_refptr<PeerConnectionFactoryInterface>
CreatePeerConnectionFactory() {
rtc::scoped_refptr<PeerConnectionFactory> pc_factory(
new rtc::RefCountedObject<PeerConnectionFactory>());
RTC_CHECK(rtc::Thread::Current() == pc_factory->signaling_thread());
// The signaling thread is the current thread so we can
// safely call Initialize directly.
if (!pc_factory->Initialize()) {
return nullptr;
}
return PeerConnectionFactoryProxy::Create(pc_factory->signaling_thread(),
pc_factory);
}
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) {
rtc::scoped_refptr<PeerConnectionFactory> pc_factory(
new rtc::RefCountedObject<PeerConnectionFactory>(
network_thread,
worker_thread,
signaling_thread,
default_adm,
CreateBuiltinAudioDecoderFactory(),
encoder_factory,
decoder_factory));
// Call Initialize synchronously but make sure its executed on
// |signaling_thread|.
MethodCall0<PeerConnectionFactory, bool> call(
pc_factory.get(),
&PeerConnectionFactory::Initialize);
bool result = call.Marshal(RTC_FROM_HERE, signaling_thread);
if (!result) {
return nullptr;
}
return PeerConnectionFactoryProxy::Create(signaling_thread, pc_factory);
}
PeerConnectionFactory::PeerConnectionFactory()
: owns_ptrs_(true),
wraps_current_thread_(false),
network_thread_(rtc::Thread::CreateWithSocketServer().release()),
worker_thread_(rtc::Thread::Create().release()),
signaling_thread_(rtc::Thread::Current()),
audio_decoder_factory_(CreateBuiltinAudioDecoderFactory()) {
if (!signaling_thread_) {
signaling_thread_ = rtc::ThreadManager::Instance()->WrapCurrentThread();
wraps_current_thread_ = true;
}
network_thread_->Start();
worker_thread_->Start();
}
PeerConnectionFactory::PeerConnectionFactory(
rtc::Thread* network_thread,
rtc::Thread* worker_thread,
rtc::Thread* signaling_thread,
AudioDeviceModule* default_adm,
const rtc::scoped_refptr<webrtc::AudioDecoderFactory>&
audio_decoder_factory,
cricket::WebRtcVideoEncoderFactory* video_encoder_factory,
cricket::WebRtcVideoDecoderFactory* video_decoder_factory)
: owns_ptrs_(false),
wraps_current_thread_(false),
network_thread_(network_thread),
worker_thread_(worker_thread),
signaling_thread_(signaling_thread),
default_adm_(default_adm),
audio_decoder_factory_(audio_decoder_factory),
video_encoder_factory_(video_encoder_factory),
video_decoder_factory_(video_decoder_factory) {
RTC_DCHECK(network_thread);
RTC_DCHECK(worker_thread);
RTC_DCHECK(signaling_thread);
// TODO: Currently there is no way creating an external adm in
// libjingle source tree. So we can 't currently assert if this is NULL.
// ASSERT(default_adm != NULL);
}
PeerConnectionFactory::~PeerConnectionFactory() {
RTC_DCHECK(signaling_thread_->IsCurrent());
channel_manager_.reset(nullptr);
// Make sure |worker_thread_| and |signaling_thread_| outlive
// |default_socket_factory_| and |default_network_manager_|.
default_socket_factory_ = nullptr;
default_network_manager_ = nullptr;
if (owns_ptrs_) {
if (wraps_current_thread_)
rtc::ThreadManager::Instance()->UnwrapCurrentThread();
delete worker_thread_;
delete network_thread_;
}
}
bool PeerConnectionFactory::Initialize() {
RTC_DCHECK(signaling_thread_->IsCurrent());
rtc::InitRandom(rtc::Time32());
default_network_manager_.reset(new rtc::BasicNetworkManager());
if (!default_network_manager_) {
return false;
}
default_socket_factory_.reset(
new rtc::BasicPacketSocketFactory(network_thread_));
if (!default_socket_factory_) {
return false;
}
// TODO: Need to make sure only one VoE is created inside
// WebRtcMediaEngine.
cricket::MediaEngineInterface* media_engine =
worker_thread_->Invoke<cricket::MediaEngineInterface*>(
RTC_FROM_HERE,
rtc::Bind(&PeerConnectionFactory::CreateMediaEngine_w, this));
channel_manager_.reset(new cricket::ChannelManager(
media_engine, worker_thread_, network_thread_));
channel_manager_->SetVideoRtxEnabled(true);
if (!channel_manager_->Init()) {
return false;
}
return true;
}
rtc::scoped_refptr<AudioSourceInterface>
PeerConnectionFactory::CreateAudioSource(
const MediaConstraintsInterface* constraints) {
RTC_DCHECK(signaling_thread_->IsCurrent());
rtc::scoped_refptr<LocalAudioSource> source(
LocalAudioSource::Create(options_, constraints));
return source;
}
rtc::scoped_refptr<AudioSourceInterface>
PeerConnectionFactory::CreateAudioSource(const cricket::AudioOptions& options) {
RTC_DCHECK(signaling_thread_->IsCurrent());
rtc::scoped_refptr<LocalAudioSource> source(
LocalAudioSource::Create(options_, &options));
return source;
}
rtc::scoped_refptr<VideoTrackSourceInterface>
PeerConnectionFactory::CreateVideoSource(
cricket::VideoCapturer* capturer,
const MediaConstraintsInterface* constraints) {
RTC_DCHECK(signaling_thread_->IsCurrent());
rtc::scoped_refptr<VideoTrackSourceInterface> source(
VideoCapturerTrackSource::Create(worker_thread_, capturer, constraints,
false));
return VideoTrackSourceProxy::Create(signaling_thread_, worker_thread_,
source);
}
rtc::scoped_refptr<VideoTrackSourceInterface>
PeerConnectionFactory::CreateVideoSource(cricket::VideoCapturer* capturer) {
RTC_DCHECK(signaling_thread_->IsCurrent());
rtc::scoped_refptr<VideoTrackSourceInterface> source(
VideoCapturerTrackSource::Create(worker_thread_, capturer, false));
return VideoTrackSourceProxy::Create(signaling_thread_, worker_thread_,
source);
}
bool PeerConnectionFactory::StartAecDump(rtc::PlatformFile file,
int64_t max_size_bytes) {
RTC_DCHECK(signaling_thread_->IsCurrent());
return channel_manager_->StartAecDump(file, max_size_bytes);
}
void PeerConnectionFactory::StopAecDump() {
RTC_DCHECK(signaling_thread_->IsCurrent());
channel_manager_->StopAecDump();
}
bool PeerConnectionFactory::StartRtcEventLog(rtc::PlatformFile file,
int64_t max_size_bytes) {
RTC_DCHECK(signaling_thread_->IsCurrent());
return channel_manager_->StartRtcEventLog(file, max_size_bytes);
}
void PeerConnectionFactory::StopRtcEventLog() {
RTC_DCHECK(signaling_thread_->IsCurrent());
channel_manager_->StopRtcEventLog();
}
rtc::scoped_refptr<PeerConnectionInterface>
PeerConnectionFactory::CreatePeerConnection(
const PeerConnectionInterface::RTCConfiguration& configuration_in,
const MediaConstraintsInterface* constraints,
std::unique_ptr<cricket::PortAllocator> allocator,
std::unique_ptr<rtc::RTCCertificateGeneratorInterface> cert_generator,
PeerConnectionObserver* observer) {
RTC_DCHECK(signaling_thread_->IsCurrent());
// We merge constraints and configuration into a single configuration.
PeerConnectionInterface::RTCConfiguration configuration = configuration_in;
CopyConstraintsIntoRtcConfiguration(constraints, &configuration);
return CreatePeerConnection(configuration, std::move(allocator),
std::move(cert_generator), observer);
}
rtc::scoped_refptr<PeerConnectionInterface>
PeerConnectionFactory::CreatePeerConnection(
const PeerConnectionInterface::RTCConfiguration& configuration,
std::unique_ptr<cricket::PortAllocator> allocator,
std::unique_ptr<rtc::RTCCertificateGeneratorInterface> cert_generator,
PeerConnectionObserver* observer) {
RTC_DCHECK(signaling_thread_->IsCurrent());
if (!cert_generator.get()) {
// No certificate generator specified, use the default one.
cert_generator.reset(
new rtc::RTCCertificateGenerator(signaling_thread_, network_thread_));
}
if (!allocator) {
allocator.reset(new cricket::BasicPortAllocator(
default_network_manager_.get(), default_socket_factory_.get()));
}
network_thread_->Invoke<void>(
RTC_FROM_HERE, rtc::Bind(&cricket::PortAllocator::SetNetworkIgnoreMask,
allocator.get(), options_.network_ignore_mask));
rtc::scoped_refptr<PeerConnection> pc(
new rtc::RefCountedObject<PeerConnection>(this));
if (!pc->Initialize(configuration, std::move(allocator),
std::move(cert_generator), observer)) {
return nullptr;
}
return PeerConnectionProxy::Create(signaling_thread(), pc);
}
rtc::scoped_refptr<MediaStreamInterface>
PeerConnectionFactory::CreateLocalMediaStream(const std::string& label) {
RTC_DCHECK(signaling_thread_->IsCurrent());
return MediaStreamProxy::Create(signaling_thread_,
MediaStream::Create(label));
}
rtc::scoped_refptr<VideoTrackInterface> PeerConnectionFactory::CreateVideoTrack(
const std::string& id,
VideoTrackSourceInterface* source) {
RTC_DCHECK(signaling_thread_->IsCurrent());
rtc::scoped_refptr<VideoTrackInterface> track(
VideoTrack::Create(id, source));
return VideoTrackProxy::Create(signaling_thread_, worker_thread_, track);
}
rtc::scoped_refptr<AudioTrackInterface>
PeerConnectionFactory::CreateAudioTrack(const std::string& id,
AudioSourceInterface* source) {
RTC_DCHECK(signaling_thread_->IsCurrent());
rtc::scoped_refptr<AudioTrackInterface> track(AudioTrack::Create(id, source));
return AudioTrackProxy::Create(signaling_thread_, track);
}
webrtc::MediaControllerInterface* PeerConnectionFactory::CreateMediaController(
const cricket::MediaConfig& config) const {
RTC_DCHECK(signaling_thread_->IsCurrent());
return MediaControllerInterface::Create(config, worker_thread_,
channel_manager_.get());
}
rtc::Thread* PeerConnectionFactory::signaling_thread() {
// This method can be called on a different thread when the factory is
// created in CreatePeerConnectionFactory().
return signaling_thread_;
}
rtc::Thread* PeerConnectionFactory::worker_thread() {
RTC_DCHECK(signaling_thread_->IsCurrent());
return worker_thread_;
}
rtc::Thread* PeerConnectionFactory::network_thread() {
return network_thread_;
}
cricket::MediaEngineInterface* PeerConnectionFactory::CreateMediaEngine_w() {
ASSERT(worker_thread_ == rtc::Thread::Current());
return cricket::WebRtcMediaEngineFactory::Create(
default_adm_.get(),
audio_decoder_factory_,
video_encoder_factory_.get(),
video_decoder_factory_.get());
}
} // namespace webrtc