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Fixed the audio ActivationHandler to work properly from system VoIP background task

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This commit is contained in:
Fela Ameghino 2017-05-11 15:33:39 +02:00
parent d52ab380ef
commit d3d06d33bc
2 changed files with 41 additions and 61 deletions
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69
os/windows/WindowsSandboxUtils.cpp
View File

@ -12,57 +12,40 @@
using namespace tgvoip;
using namespace Microsoft::WRL;
IAudioClient* WindowsSandboxUtils::ActivateAudioDevice(const wchar_t* devID, HRESULT* callRes, HRESULT* actRes){
IAudioClient* WindowsSandboxUtils::ActivateAudioDevice(const wchar_t* devID, HRESULT* callRes, HRESULT* actRes) {
// Did I say that I hate pointlessly asynchronous things?
HANDLE event = CreateEventEx(NULL, NULL, 0, 0);
HANDLE event = CreateEventEx(NULL, NULL, 0, EVENT_ALL_ACCESS);
ActivationHandler activationHandler(event);
Windows::ApplicationModel::Core::CoreApplication::GetCurrentView()->CoreWindow->Dispatcher->RunAsync(Windows::UI::Core::CoreDispatcherPriority::Normal, ref new Windows::UI::Core::DispatchedHandler([devID, callRes, actRes, activationHandler](){
ComPtr<IActivateAudioInterfaceAsyncOperation> actHandler;
HRESULT cr=ActivateAudioInterfaceAsync(devID, __uuidof(IAudioClient), NULL, (IActivateAudioInterfaceCompletionHandler*)&activationHandler, &actHandler);
if(callRes)
*callRes=cr;
}));
WaitForSingleObjectEx(event, INFINITE, false);
IActivateAudioInterfaceAsyncOperation* actHandler;
HRESULT cr = ActivateAudioInterfaceAsync(devID, __uuidof(IAudioClient2), NULL, (IActivateAudioInterfaceCompletionHandler*)&activationHandler, &actHandler);
if (callRes)
*callRes = cr;
DWORD resulttt = WaitForSingleObjectEx(event, INFINITE, false);
DWORD last = GetLastError();
CloseHandle(event);
if(actRes)
*actRes=activationHandler.actResult;
if (actRes)
*actRes = activationHandler.actResult;
return activationHandler.client;
}
ActivationHandler::ActivationHandler(HANDLE _event) : event(_event), refCount(1){
ActivationHandler::ActivationHandler(HANDLE _event) : event(_event)
{
}
STDMETHODIMP ActivationHandler::ActivateCompleted(IActivateAudioInterfaceAsyncOperation* op){
HRESULT res = op->GetActivateResult(&actResult, (IUnknown**)&client);
STDMETHODIMP ActivationHandler::ActivateCompleted(IActivateAudioInterfaceAsyncOperation * operation)
{
HRESULT hr = S_OK;
HRESULT hrActivateResult = S_OK;
IUnknown *punkAudioInterface = nullptr;
hr = operation->GetActivateResult(&hrActivateResult, &punkAudioInterface);
if (SUCCEEDED(hr) && SUCCEEDED(hrActivateResult))
{
punkAudioInterface->QueryInterface(IID_PPV_ARGS(&client));
}
SetEvent(event);
return S_OK;
}
HRESULT ActivationHandler::QueryInterface(REFIID iid, void** obj){
if(!obj){
return E_POINTER;
}
*obj=NULL;
if(iid==IID_IUnknown){
*obj=static_cast<IUnknown*>(this);
AddRef();
}else if(iid==__uuidof(IActivateAudioInterfaceCompletionHandler)){
*obj=static_cast<IActivateAudioInterfaceCompletionHandler*>(this);
AddRef();
}else{
return E_NOINTERFACE;
}
return S_OK;
}
ULONG ActivationHandler::AddRef(){
return InterlockedIncrement(&refCount);
}
ULONG ActivationHandler::Release(){
return InterlockedDecrement(&refCount);
}
return hr;
}

33
os/windows/WindowsSandboxUtils.h
View File

@ -13,25 +13,22 @@
using namespace Microsoft::WRL;
namespace tgvoip{
namespace tgvoip {
class ActivationHandler : public IActivateAudioInterfaceCompletionHandler{
public:
ActivationHandler(HANDLE _event);
STDMETHOD(ActivateCompleted)(IActivateAudioInterfaceAsyncOperation* op);
STDMETHOD(QueryInterface)(REFIID iid, void **pvObject);
STDMETHOD_(ULONG, AddRef)();
STDMETHOD_(ULONG, Release)();
HANDLE event;
IAudioClient* client;
HRESULT actResult;
private:
ULONG refCount;
};
class ActivationHandler :
public RuntimeClass< RuntimeClassFlags< ClassicCom >, FtmBase, IActivateAudioInterfaceCompletionHandler >
{
public:
STDMETHOD(ActivateCompleted)(IActivateAudioInterfaceAsyncOperation *operation);
ActivationHandler(HANDLE _event);
HANDLE event;
IAudioClient* client;
HRESULT actResult;
};
class WindowsSandboxUtils{
public:
static IAudioClient* ActivateAudioDevice(const wchar_t* devID, HRESULT* callResult, HRESULT* actResult);
};
class WindowsSandboxUtils {
public:
static IAudioClient* ActivateAudioDevice(const wchar_t* devID, HRESULT* callResult, HRESULT* actResult);
};
}