STDMETHODIMP MFTransform::ProcessMessage(MFT_MESSAGE_TYPE eMessage, ULONG_PTR ulParam)
{
Q_UNUSED(ulParam);
HRESULT hr = S_OK;
switch (eMessage)
{
case MFT_MESSAGE_COMMAND_FLUSH:
hr = OnFlush();
break;
case MFT_MESSAGE_COMMAND_DRAIN:
// Drain: Tells the MFT not to accept any more input until
// all of the pending output has been processed. That is our
// default behevior already, so there is nothing to do.
break;
case MFT_MESSAGE_SET_D3D_MANAGER:
// The pipeline should never send this message unless the MFT
// has the MF_SA_D3D_AWARE attribute set to TRUE. However, if we
// do get this message, it's invalid and we don't implement it.
hr = E_NOTIMPL;
break;
// The remaining messages do not require any action from this MFT.
case MFT_MESSAGE_NOTIFY_BEGIN_STREAMING:
case MFT_MESSAGE_NOTIFY_END_STREAMING:
case MFT_MESSAGE_NOTIFY_END_OF_STREAM:
case MFT_MESSAGE_NOTIFY_START_OF_STREAM:
break;
}
return hr;
}
void ArdunityController::flush()
{
started = true;
if(canFlush && _enableUpdate && dirty)
{
ArdunityApp.select(_id);
OnFlush();
dirty = false;
ArdunityApp.flush();
}
}
HRESULT CHWMFT::ProcessMessage(
MFT_MESSAGE_TYPE eMessage,
ULONG_PTR ulParam)
{
/*****************************************
** See http://msdn.microsoft.com/en-us/library/ms701863(v=VS.85).aspx
*****************************************/
HRESULT hr = S_OK;
do
{
if(IsLocked() != FALSE)
{
hr = MF_E_TRANSFORM_ASYNC_LOCKED;
break;
}
if((m_pInputMT == NULL) || (m_pOutputMT == NULL))
{
// Can't process messages until media types are set
hr = MF_E_TRANSFORM_TYPE_NOT_SET;
break;
}
switch(eMessage)
{
case MFT_MESSAGE_NOTIFY_START_OF_STREAM:
{
hr = OnStartOfStream();
if(FAILED(hr))
{
break;
}
}
break;
case MFT_MESSAGE_NOTIFY_END_OF_STREAM:
{
hr = OnEndOfStream();
if(FAILED(hr))
{
break;
}
}
break;
case MFT_MESSAGE_COMMAND_DRAIN:
{
hr = OnDrain((UINT32)ulParam);
if(FAILED(hr))
{
break;
}
}
break;
case MFT_MESSAGE_COMMAND_FLUSH:
{
hr = OnFlush();
if(FAILED(hr))
{
break;
}
}
break;
case MFT_MESSAGE_COMMAND_MARKER:
{
hr = OnMarker(ulParam);
if(FAILED(hr))
{
break;
}
}
break;
/************************************************
** Todo: Add any MFT Messages that are not already
** covered
************************************************/
default:
// Nothing to do, return S_OK
break;
};
}while(false);
return hr;
}
