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