blob: acc705768cd7b14017a1963ebf99fef62bb83845 [file] [log] [blame]
// Copyright 2017 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "starboard/shared/uwp/application_uwp.h"
#include <WinSock2.h>
#include <mfapi.h>
#include <ppltasks.h>
#include <windows.h>
#include <D3D11.h>
#include <memory>
#include <string>
#include <vector>
#include "starboard/event.h"
#include "starboard/log.h"
#include "starboard/mutex.h"
#include "starboard/shared/starboard/application.h"
#include "starboard/shared/starboard/audio_sink/audio_sink_internal.h"
#include "starboard/shared/starboard/player/video_frame_internal.h"
#include "starboard/shared/uwp/async_utils.h"
#include "starboard/shared/uwp/window_internal.h"
#include "starboard/shared/win32/thread_private.h"
#include "starboard/shared/win32/wchar_utils.h"
#include "starboard/string.h"
#include "starboard/system.h"
namespace sbwin32 = starboard::shared::win32;
using Microsoft::WRL::ComPtr;
using starboard::shared::starboard::Application;
using starboard::shared::starboard::CommandLine;
using starboard::shared::uwp::ApplicationUwp;
using starboard::shared::uwp::GetArgvZero;
using starboard::shared::uwp::WaitForResult;
using starboard::shared::win32::stringToPlatformString;
using starboard::shared::win32::wchar_tToUTF8;
using starboard::shared::starboard::player::VideoFrame;
using Windows::ApplicationModel::Activation::ActivationKind;
using Windows::ApplicationModel::Activation::DialReceiverActivatedEventArgs;
using Windows::ApplicationModel::Activation::IActivatedEventArgs;
using Windows::ApplicationModel::Activation::IProtocolActivatedEventArgs;
using Windows::ApplicationModel::Core::CoreApplication;
using Windows::ApplicationModel::Core::CoreApplicationView;
using Windows::ApplicationModel::Core::IFrameworkView;
using Windows::ApplicationModel::Core::IFrameworkViewSource;
using Windows::ApplicationModel::SuspendingEventArgs;
using Windows::Foundation::EventHandler;
using Windows::Foundation::IAsyncOperation;
using Windows::Foundation::TimeSpan;
using Windows::Foundation::TypedEventHandler;
using Windows::Foundation::Uri;
using Windows::Media::Protection::HdcpProtection;
using Windows::Media::Protection::HdcpSession;
using Windows::Media::Protection::HdcpSetProtectionResult;
using Windows::Networking::Connectivity::ConnectionProfile;
using Windows::Networking::Connectivity::NetworkConnectivityLevel;
using Windows::Networking::Connectivity::NetworkInformation;
using Windows::Networking::Connectivity::NetworkStatusChangedEventHandler;
using Windows::System::Threading::ThreadPoolTimer;
using Windows::System::Threading::TimerElapsedHandler;
using Windows::System::UserAuthenticationStatus;
using Windows::UI::Core::CoreDispatcherPriority;
using Windows::UI::Core::CoreProcessEventsOption;
using Windows::UI::Core::CoreWindow;
using Windows::UI::Core::DispatchedHandler;
using Windows::UI::Core::KeyEventArgs;
using Windows::UI::Popups::IUICommand;
using Windows::UI::Popups::MessageDialog;
using Windows::UI::Popups::UICommand;
using Windows::UI::Popups::UICommandInvokedHandler;
namespace {
const int kWinSockVersionMajor = 2;
const int kWinSockVersionMinor = 2;
const char kDialParamPrefix[] = "cobalt-dial:?";
int main_return_value = 0;
#if defined(ENABLE_DEBUG_COMMAND_LINE_SWITCHES)
// Parses a starboard: URI scheme by splitting args at ';' boundaries.
std::vector<std::string> ParseStarboardUri(const std::string& uri) {
std::vector<std::string> result;
result.push_back(GetArgvZero());
size_t index = uri.find(':');
if (index == std::string::npos) {
return result;
}
std::string args = uri.substr(index + 1);
while (!args.empty()) {
size_t next = args.find(';');
result.push_back(args.substr(0, next));
if (next == std::string::npos) {
return result;
}
args = args.substr(next + 1);
}
return result;
}
#endif // defined(ENABLE_DEBUG_COMMAND_LINE_SWITCHES)
std::unique_ptr<Application::Event> MakeDeepLinkEvent(
const std::string& uri_string) {
SB_LOG(INFO) << "Navigate to: [" << uri_string << "]";
const size_t kMaxDeepLinkSize = 128 * 1024;
const std::size_t uri_size = uri_string.size();
if (uri_size > kMaxDeepLinkSize) {
SB_NOTREACHED() << "App launch data too big: " << uri_size;
return nullptr;
}
const int kBufferSize = static_cast<int>(uri_string.size()) + 1;
char* deep_link = new char[kBufferSize];
SB_DCHECK(deep_link);
SbStringCopy(deep_link, uri_string.c_str(), kBufferSize);
return std::unique_ptr<Application::Event>(
new Application::Event(kSbEventTypeLink, deep_link,
Application::DeleteArrayDestructor<const char*>));
}
// Returns if |full_string| ends with |substring|.
bool ends_with(const std::string& full_string, const std::string& substring) {
if (substring.length() > full_string.length()) {
return false;
}
return std::equal(substring.rbegin(), substring.rend(), full_string.rbegin());
}
} // namespace
// Note that this is a "struct" and not a "class" because
// that's how it's defined in starboard/system.h
struct SbSystemPlatformErrorPrivate {
SbSystemPlatformErrorPrivate(const SbSystemPlatformErrorPrivate&) = delete;
SbSystemPlatformErrorPrivate& operator=(
const SbSystemPlatformErrorPrivate&) = delete;
SbSystemPlatformErrorPrivate(
SbSystemPlatformErrorType type,
SbSystemPlatformErrorCallback callback,
void* user_data)
: callback_(callback), user_data_(user_data) {
SB_DCHECK(type == kSbSystemPlatformErrorTypeConnectionError);
ApplicationUwp* app = ApplicationUwp::Get();
app->RunInMainThreadAsync([this, callback, user_data, app]() {
MessageDialog^ dialog = ref new MessageDialog(
app->GetString("UNABLE_TO_CONTACT_YOUTUBE_1",
"Sorry, could not connect to YouTube."));
dialog->Commands->Append(
MakeUICommand(
"OFFLINE_MESSAGE_TRY_AGAIN", "Try again",
kSbSystemPlatformErrorResponsePositive));
dialog->Commands->Append(
MakeUICommand(
"EXIT_BUTTON", "Exit",
kSbSystemPlatformErrorResponseCancel));
dialog->DefaultCommandIndex = 0;
dialog->CancelCommandIndex = 1;
IAsyncOperation<IUICommand^>^ operation = dialog->ShowAsync();
dialog_operation_ = operation;
concurrency::create_task(operation).then([this](IUICommand^ command) {
delete this;
});
});
}
UICommand^ MakeUICommand(
const char* id,
const char* fallback,
SbSystemPlatformErrorResponse response) {
ApplicationUwp* app = ApplicationUwp::Get();
Platform::String^ label = app->GetString(id, fallback);
return ref new UICommand(label,
ref new UICommandInvokedHandler(
[this, response](IUICommand^ command) {
callback_(response, user_data_);
}));
}
void Clear() {
ApplicationUwp::Get()->RunInMainThreadAsync([this]() {
dialog_operation_->Cancel();
});
}
private:
SbSystemPlatformErrorCallback callback_;
void* user_data_;
Platform::Agile<IAsyncOperation<IUICommand^>> dialog_operation_;
};
ref class App sealed : public IFrameworkView {
public:
App() : previously_activated_(false), has_internet_access_(false) {}
// IFrameworkView methods.
virtual void Initialize(CoreApplicationView^ applicationView) {
SbAudioSinkPrivate::Initialize();
CoreApplication::Suspending +=
ref new EventHandler<SuspendingEventArgs^>(this, &App::OnSuspending);
CoreApplication::Resuming +=
ref new EventHandler<Object^>(this, &App::OnResuming);
applicationView->Activated +=
ref new TypedEventHandler<CoreApplicationView^, IActivatedEventArgs^>(
this, &App::OnActivated);
has_internet_access_ = HasInternetAccess();
SB_LOG(INFO) << "Has internet access? " << std::boolalpha
<< has_internet_access_;
NetworkInformation::NetworkStatusChanged +=
ref new NetworkStatusChangedEventHandler(this, &App::OnNetworkChanged);
}
void OnNetworkChanged(Platform::Object^ sender) {
SB_UNREFERENCED_PARAMETER(sender);
bool has_internet_access = HasInternetAccess();
if (has_internet_access == has_internet_access_) {
return;
}
SB_LOG(INFO) << "NetworkChanged. Has internet access? " << std::boolalpha
<< has_internet_access;
has_internet_access_ = has_internet_access;
const SbEventType network_event =
(has_internet_access ? kSbEventTypeNetworkConnect
: kSbEventTypeNetworkDisconnect);
ApplicationUwp::Get()->Inject(
new ApplicationUwp::Event(network_event, nullptr, nullptr));
}
virtual void SetWindow(CoreWindow^ window) {
ApplicationUwp::Get()->SetCoreWindow(window);
window->KeyUp += ref new TypedEventHandler<CoreWindow^, KeyEventArgs^>(
this, &App::OnKeyUp);
window->KeyDown += ref new TypedEventHandler<CoreWindow^, KeyEventArgs^>(
this, &App::OnKeyDown);
}
virtual void Load(Platform::String^ entryPoint) {}
virtual void Run() {
main_return_value = application_.Run(
static_cast<int>(argv_.size()), const_cast<char**>(argv_.data()));
}
virtual void Uninitialize() { SbAudioSinkPrivate::TearDown(); }
void OnSuspending(Platform::Object^ sender, SuspendingEventArgs^ args) {
SB_DLOG(INFO) << "Suspending";
// Note if we dispatch "suspend" here before pause, application.cc
// will inject the "pause" which will cause us to go async which
// will cause us to not have completed the suspend operation before
// returning, which UWP requires.
ApplicationUwp::Get()->DispatchAndDelete(
new ApplicationUwp::Event(kSbEventTypePause, NULL, NULL));
ApplicationUwp::Get()->DispatchAndDelete(
new ApplicationUwp::Event(kSbEventTypeSuspend, NULL, NULL));
}
void OnResuming(Platform::Object^ sender, Platform::Object^ args) {
SB_DLOG(INFO) << "Resuming";
ApplicationUwp::Get()->DispatchAndDelete(
new ApplicationUwp::Event(kSbEventTypeResume, NULL, NULL));
ApplicationUwp::Get()->DispatchAndDelete(
new ApplicationUwp::Event(kSbEventTypeUnpause, NULL, NULL));
}
void OnKeyUp(CoreWindow^ sender, KeyEventArgs^ args) {
ApplicationUwp::Get()->OnKeyEvent(sender, args, true);
}
void OnKeyDown(CoreWindow^ sender, KeyEventArgs^ args) {
ApplicationUwp::Get()->OnKeyEvent(sender, args, false);
}
void OnActivated(
CoreApplicationView^ applicationView, IActivatedEventArgs^ args) {
bool command_line_set = false;
// Please see application lifecyle description:
// https://docs.microsoft.com/en-us/windows/uwp/launch-resume/app-lifecycle
// Note that this document was written for Xaml apps not core apps,
// so for us the precise API is a little different.
// The substance is that, while OnActiviated is definitely called the
// first time the application is started, it may additionally called
// in other cases while the process is already running. Starboard
// applications cannot fully restart in a process lifecycle,
// so we interpret the first activation and the subsequent ones differently.
if (args->Kind == ActivationKind::Protocol) {
Uri^ uri = dynamic_cast<IProtocolActivatedEventArgs^>(args)->Uri;
#if defined(ENABLE_DEBUG_COMMAND_LINE_SWITCHES)
// The starboard: scheme provides commandline arguments, but that's
// only allowed during a process's first activation.
std::string scheme = sbwin32::platformStringToString(uri->SchemeName);
if (!previously_activated_ && ends_with(scheme, "-starboard")) {
std::string uri_string = wchar_tToUTF8(uri->RawUri->Data());
// args_ is a vector of std::string, but argv_ is a vector of
// char* into args_ so as to compose a char**.
args_ = ParseStarboardUri(uri_string);
for (const std::string& arg : args_) {
argv_.push_back(arg.c_str());
}
ApplicationUwp::Get()->SetCommandLine(
static_cast<int>(argv_.size()), argv_.data());
command_line_set = true;
}
#endif // defined(ENABLE_DEBUG_COMMAND_LINE_SWITCHES)
if (uri->SchemeName->Equals("youtube") ||
uri->SchemeName->Equals("ms-xbl-07459769")) {
std::string uri_string = sbwin32::platformStringToString(uri->RawUri);
// Strip the protocol from the uri.
size_t index = uri_string.find(':');
if (index != std::string::npos) {
uri_string = uri_string.substr(index + 1);
}
ProcessDeepLinkUri(&uri_string);
}
} else if (args->Kind == ActivationKind::DialReceiver) {
DialReceiverActivatedEventArgs^ dial_args =
dynamic_cast<DialReceiverActivatedEventArgs^>(args);
SB_CHECK(dial_args);
Platform::String^ arguments = dial_args->Arguments;
if (previously_activated_) {
std::string uri_string =
kDialParamPrefix + sbwin32::platformStringToString(arguments);
ProcessDeepLinkUri(&uri_string);
} else {
const char kYouTubeTVurl[] = "--url=https://www.youtube.com/tv?";
std::string activation_args =
kYouTubeTVurl + sbwin32::platformStringToString(arguments);
SB_DLOG(INFO) << "Dial Activation url: " << activation_args;
args_.push_back(GetArgvZero());
args_.push_back(activation_args);
argv_.push_back(args_.front().c_str());
argv_.push_back(args_.back().c_str());
ApplicationUwp::Get()->SetCommandLine(static_cast<int>(argv_.size()),
argv_.data());
command_line_set = true;
}
}
previous_activation_kind_ = args->Kind;
if (!previously_activated_) {
if (!command_line_set) {
args_.push_back(GetArgvZero());
argv_.push_back(args_.begin()->c_str());
ApplicationUwp::Get()->SetCommandLine(
static_cast<int>(argv_.size()), argv_.data());
}
CoreWindow::GetForCurrentThread()->Activate();
// Call DispatchStart async so the UWP system thinks we're activated.
// Some tools seem to want the application to be activated before
// interacting with them, some things are disallowed during activation
// (such as exiting), and DispatchStart (for example) runs
// automated tests synchronously.
ApplicationUwp::Get()->RunInMainThreadAsync([this]() {
ApplicationUwp::Get()->DispatchStart();
});
}
previously_activated_ = true;
}
private:
void ProcessDeepLinkUri(std::string *uri_string) {
SB_DCHECK(uri_string);
if (previously_activated_) {
std::unique_ptr<Application::Event> event =
MakeDeepLinkEvent(*uri_string);
SB_DCHECK(event);
ApplicationUwp::Get()->Inject(event.release());
} else {
SB_DCHECK(!uri_string->empty());
ApplicationUwp::Get()->SetStartLink(uri_string->c_str());
}
}
bool HasInternetAccess() {
ConnectionProfile^ connection_profile =
NetworkInformation::GetInternetConnectionProfile();
if (connection_profile == nullptr) {
return false;
}
const NetworkConnectivityLevel connectivity_level =
connection_profile->GetNetworkConnectivityLevel();
switch (connectivity_level) {
case NetworkConnectivityLevel::InternetAccess:
case NetworkConnectivityLevel::ConstrainedInternetAccess:
return true;
case NetworkConnectivityLevel::None:
case NetworkConnectivityLevel::LocalAccess:
return false;
}
SB_NOTREACHED() << "Unknown network connectivity level found "
<< sbwin32::platformStringToString(
connectivity_level.ToString());
return false;
}
bool previously_activated_;
bool has_internet_access_;
// Only valid if previously_activated_ is true
ActivationKind previous_activation_kind_;
std::vector<std::string> args_;
std::vector<const char *> argv_;
starboard::shared::uwp::ApplicationUwp application_;
};
ref class Direct3DApplicationSource sealed : IFrameworkViewSource {
public:
Direct3DApplicationSource() {}
virtual IFrameworkView^ CreateView() {
return ref new App();
}
};
namespace starboard {
namespace shared {
namespace uwp {
// If an argv[0] is required, fill it in with the result of
// GetModuleFileName()
std::string GetArgvZero() {
const size_t kMaxModuleNameSize = 256;
wchar_t buffer[kMaxModuleNameSize];
DWORD result = GetModuleFileName(NULL, buffer, kMaxModuleNameSize);
std::string arg;
if (result == 0) {
arg = "unknown";
} else {
arg = wchar_tToUTF8(buffer, result).c_str();
}
return arg;
}
ApplicationUwp::ApplicationUwp()
: window_(kSbWindowInvalid), localized_strings_(SbSystemGetLocaleId()) {}
ApplicationUwp::~ApplicationUwp() {}
void ApplicationUwp::Initialize() {}
void ApplicationUwp::Teardown() {}
Application::Event* ApplicationUwp::GetNextEvent() {
SB_NOTREACHED();
return nullptr;
}
SbWindow ApplicationUwp::CreateWindowForUWP(const SbWindowOptions* options) {
// TODO: Determine why SB_DCHECK(IsCurrentThread()) fails in nplb, fix it,
// and add back this check.
if (SbWindowIsValid(window_)) {
return kSbWindowInvalid;
}
window_ = new SbWindowPrivate(options);
return window_;
}
bool ApplicationUwp::DestroyWindow(SbWindow window) {
// TODO: Determine why SB_DCHECK(IsCurrentThread()) fails in nplb, fix it,
// and add back this check.
if (!SbWindowIsValid(window)) {
SB_DLOG(ERROR) << __FUNCTION__ << ": Invalid context.";
return false;
}
SB_DCHECK(window_ == window);
delete window;
window_ = kSbWindowInvalid;
return true;
}
bool ApplicationUwp::DispatchNextEvent() {
core_window_->Activate();
core_window_->Dispatcher->ProcessEvents(
CoreProcessEventsOption::ProcessUntilQuit);
return false;
}
Windows::Media::Protection::HdcpSession^ ApplicationUwp::GetHdcpSession() {
if (!hdcp_session_) {
hdcp_session_ = ref new HdcpSession();
}
return hdcp_session_;
}
void ApplicationUwp::ResetHdcpSession() {
// delete will call the destructor, but not free memory.
// The destructor is called explicitly so that HDCP session can be
// torn down immediately.
if (hdcp_session_) {
delete hdcp_session_;
hdcp_session_ = nullptr;
}
}
void ApplicationUwp::Inject(Application::Event* event) {
RunInMainThreadAsync([this, event]() {
bool result = DispatchAndDelete(event);
if (!result) {
CoreApplication::Exit();
}
});
}
void ApplicationUwp::InjectTimedEvent(Application::TimedEvent* timed_event) {
SbTimeMonotonic delay_usec =
timed_event->target_time - SbTimeGetMonotonicNow();
if (delay_usec < 0) {
delay_usec = 0;
}
// TimeSpan ticks are, like FILETIME, 100ns
const SbTimeMonotonic kTicksPerUsec = 10;
TimeSpan timespan;
timespan.Duration = delay_usec * kTicksPerUsec;
ScopedLock lock(mutex_);
ThreadPoolTimer^ timer = ThreadPoolTimer::CreateTimer(
ref new TimerElapsedHandler([this, timed_event](ThreadPoolTimer^ timer) {
RunInMainThreadAsync([this, timed_event]() {
// Even if the event is canceled, the callback can still fire.
// Thus, the existence of event in timer_event_map_ is used
// as a source of truth.
std::size_t number_erased = 0;
{
ScopedLock lock(mutex_);
number_erased = timer_event_map_.erase(timed_event->id);
}
if (number_erased > 0) {
timed_event->callback(timed_event->context);
}
});
}), timespan);
timer_event_map_.emplace(timed_event->id, timer);
}
void ApplicationUwp::CancelTimedEvent(SbEventId event_id) {
ScopedLock lock(mutex_);
auto it = timer_event_map_.find(event_id);
if (it == timer_event_map_.end()) {
return;
}
it->second->Cancel();
timer_event_map_.erase(it);
}
Application::TimedEvent* ApplicationUwp::GetNextDueTimedEvent() {
SB_NOTIMPLEMENTED();
return nullptr;
}
SbTimeMonotonic ApplicationUwp::GetNextTimedEventTargetTime() {
SB_NOTIMPLEMENTED();
return 0;
}
SbSystemPlatformError ApplicationUwp::OnSbSystemRaisePlatformError(
SbSystemPlatformErrorType type,
SbSystemPlatformErrorCallback callback,
void* user_data) {
return new SbSystemPlatformErrorPrivate(type, callback, user_data);
}
void ApplicationUwp::OnSbSystemClearPlatformError(
SbSystemPlatformError handle) {
if (handle == kSbSystemPlatformErrorInvalid) {
return;
}
static_cast<SbSystemPlatformErrorPrivate*>(handle)->Clear();
}
Platform::String^ ApplicationUwp::GetString(
const char* id, const char* fallback) const {
return stringToPlatformString(localized_strings_.GetString(id, fallback));
}
bool ApplicationUwp::IsHdcpOn() {
::starboard::ScopedLock lock(hdcp_session_mutex_);
return GetHdcpSession()->IsEffectiveProtectionAtLeast(HdcpProtection::On);
}
bool ApplicationUwp::TurnOnHdcp() {
HdcpSetProtectionResult protection_result;
{
::starboard::ScopedLock lock(hdcp_session_mutex_);
protection_result =
WaitForResult(GetHdcpSession()->SetDesiredMinProtectionAsync(
HdcpProtection::On));
}
if (IsHdcpOn()) {
return true;
}
// If the operation did not have intended result, log something.
switch (protection_result) {
case HdcpSetProtectionResult::Success:
SB_LOG(INFO) << "Successfully set HDCP.";
break;
case HdcpSetProtectionResult::NotSupported:
SB_LOG(INFO) << "HDCP is not supported.";
break;
case HdcpSetProtectionResult::TimedOut:
SB_LOG(INFO) << "Setting HDCP timed out.";
break;
case HdcpSetProtectionResult::UnknownFailure:
SB_LOG(INFO) << "Unknown failure returned while setting HDCP.";
break;
}
return false;
}
bool ApplicationUwp::TurnOffHdcp() {
{
::starboard::ScopedLock lock(hdcp_session_mutex_);
ResetHdcpSession();
}
bool success = !SbMediaIsOutputProtected();
return success;
}
void ApplicationUwp::AcceptFrame(SbPlayer player,
const scoped_refptr<VideoFrame>& frame,
int x,
int y,
int width,
int height) {
SB_UNREFERENCED_PARAMETER(player);
SB_UNREFERENCED_PARAMETER(frame);
SB_UNREFERENCED_PARAMETER(x);
SB_UNREFERENCED_PARAMETER(y);
SB_UNREFERENCED_PARAMETER(width);
SB_UNREFERENCED_PARAMETER(height);
if (frame->IsEndOfStream()) {
// TODO: Implement.
} else {
ID3D11Texture2D* dx_texture =
static_cast<ID3D11Texture2D*>(frame->native_texture());
SB_UNREFERENCED_PARAMETER(dx_texture);
}
}
} // namespace uwp
} // namespace shared
} // namespace starboard
[Platform::MTAThread]
int main(Platform::Array<Platform::String^>^ args) {
if (!IsDebuggerPresent()) {
// By default, a Windows application will display a dialog box
// when it crashes. This is extremely undesirable when run offline.
// The following configures messages to be print to the console instead.
_CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG);
_CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
}
WSAData wsaData;
int init_result = WSAStartup(
MAKEWORD(kWinSockVersionMajor, kWinSockVersionMajor), &wsaData);
SB_CHECK(init_result == 0);
// WSAStartup returns the highest version that is supported up to the version
// we request.
SB_CHECK(LOBYTE(wsaData.wVersion) == kWinSockVersionMajor &&
HIBYTE(wsaData.wVersion) == kWinSockVersionMinor);
HRESULT hr = MFStartup(MF_VERSION);
SB_DCHECK(SUCCEEDED(hr));
starboard::shared::win32::RegisterMainThread();
auto direct3DApplicationSource = ref new Direct3DApplicationSource();
CoreApplication::Run(direct3DApplicationSource);
MFShutdown();
WSACleanup();
return main_return_value;
}