void Player_::HandleEvent(UINT_PTR pEventPtr)
{
MediaEventType meType = MEUnknown;
IMFMediaEventPtr pEvent;
// pEvent.Attach((IMFMediaEvent*)pEventPtr);
pEvent.Attach(reinterpret_cast<IMFMediaEvent*>(pEventPtr));
if (!pEvent)
{
throw win32_error_exception(E_POINTER);
}
// Get the event type.
THROW_IF_ERR(pEvent->GetType(&meType));
// Get the event status. If the operation that triggered the event
// did not succeed, the status is a failure code.
HRESULT hrStatus = S_OK;
THROW_IF_ERR(pEvent->GetStatus(&hrStatus));
// Check if the async operation succeeded.
THROW_IF_ERR(hrStatus);
switch(meType)
{
case MESessionTopologyStatus:
OnTopologyStatus(pEvent);
break;
case MEEndOfPresentation:
OnPresentationEnded(pEvent);
break;
case MENewPresentation:
OnNewPresentation(pEvent);
break;
default:
OnSessionEvent(pEvent, meType);
break;
}
}
HRESULT CPlayer::HandleEvent(UINT_PTR pUnkPtr)
{
HRESULT hr = S_OK;
HRESULT hrStatus = S_OK; // Event status
MediaEventType meType = MEUnknown; // Event type
MF_TOPOSTATUS TopoStatus = MF_TOPOSTATUS_INVALID; // Used with MESessionTopologyStatus event.
IUnknown *pUnk = NULL;
IMFMediaEvent *pEvent = NULL;
// pUnkPtr is really an IUnknown pointer.
pUnk = (IUnknown*)pUnkPtr;
if (pUnk == NULL)
{
return E_POINTER;
}
CHECK_HR(hr = pUnk->QueryInterface(__uuidof(IMFMediaEvent), (void**)&pEvent));
// Get the event type.
CHECK_HR(hr = pEvent->GetType(&meType));
// Get the event status. If the operation that triggered the event did
// not succeed, the status is a failure code.
CHECK_HR(hr = pEvent->GetStatus(&hrStatus));
TRACE((L"Media event: %s\n", EventName(meType)));
// Check if the async operation succeeded.
if (SUCCEEDED(hrStatus))
{
// Switch on the event type. Update the internal state of the CPlayer as needed.
switch(meType)
{
case MESessionTopologyStatus:
// Get the status code.
CHECK_HR(hr = pEvent->GetUINT32(MF_EVENT_TOPOLOGY_STATUS, (UINT32*)&TopoStatus));
switch (TopoStatus)
{
case MF_TOPOSTATUS_READY:
hr = OnTopologyReady(pEvent);
break;
default:
// Nothing to do.
break;
}
break;
case MEEndOfPresentation:
CHECK_HR(hr = OnPresentationEnded(pEvent));
break;
}
}
else
{
hr = hrStatus;
}
done:
SAFE_RELEASE(pUnk);
SAFE_RELEASE(pEvent);
return hr;
}
HRESULT CPlayer::HandleEvent(UINT_PTR pEventPtr)
{
HRESULT hrStatus = S_OK;
HRESULT hr = S_OK;
MediaEventType meType = MEUnknown;
IMFMediaEvent *pEvent = (IMFMediaEvent*)pEventPtr;
if (pEvent == NULL)
{
return E_POINTER;
}
// Get the event type.
CHECK_HR(hr = pEvent->GetType(&meType));
// Get the event status. If the operation that triggered the event
// did not succeed, the status is a failure code.
hr = pEvent->GetStatus(&hrStatus);
// Check if the async operation succeeded.
if (SUCCEEDED(hr) && FAILED(hrStatus))
{
CHECK_HR(hr = hrStatus);
}
switch (meType)
{
case MESessionTopologyStatus:
hr = OnTopologyStatus(pEvent);
break;
case MEEndOfPresentation:
hr = OnPresentationEnded(pEvent);
ofLogVerbose("ofxWMFVideoPlayer") << "Presentation Ended";
break;
case MENewPresentation:
hr = OnNewPresentation(pEvent);
ofLogVerbose("ofxWMFVideoPlayer") << "New Presentation";
break;
case MESessionTopologySet:
IMFTopology * topology;
GetEventObject<IMFTopology>(pEvent, &topology);
WORD nodeCount;
topology->GetNodeCount(&nodeCount);
ofLogVerbose("ofxWMFVideoPlayer") << "Topo set and we have " << nodeCount << " nodes" << endl;
SafeRelease(&topology);
break;
case MESessionStarted:
ofLogVerbose("ofxWMFVideoPlayer") << "Starting Session";
case MEBufferingStarted:
ofLogNotice("ofxWMFVideoPlayer") << "Buffering...";
break;
case MEBufferingStopped:
ofLogNotice("ofxWMFVideoPlayer") << "Finished Buffering...";
break;
default:
hr = OnSessionEvent(pEvent, meType);
break;
}
done:
SafeRelease(&pEvent);
return hr;
}
