STDMETHODIMP CMediaEventGenerator::InitMediaEventGenerator(
void
)
{
return MFCreateEventQueue(&m_pQueue);
}
HRESULT FlvStream::RuntimeClassInitialize(IMFMediaSourceExt *pSource, IMFStreamDescriptor *pSD)
{
source = pSource;//出现互相引用的情况，所以不addref
stream_descriptor = pSD;
assert(pSource != NULL && pSD != NULL);
// Create the media event queue.
return MFCreateEventQueue(&event_queue);
}
WavSource::WavSource(HRESULT& hr)
: m_nRefCount(1),
m_pEventQueue(NULL),
m_pPresentationDescriptor(NULL),
m_IsShutdown(FALSE),
m_state(STATE_STOPPED),
m_pStream(NULL),
m_pRiff(NULL)
{
DllAddRef();
// Create the media event queue.
hr = MFCreateEventQueue(&m_pEventQueue);
InitializeCriticalSection(&m_critSec);
}
MPEG1Stream::MPEG1Stream(MPEG1Source *pSource, IMFStreamDescriptor *pSD, HRESULT& hr) :
m_pEventQueue(NULL),
m_state(STATE_STOPPED),
m_bActive(FALSE),
m_bEOS(FALSE)
{
assert(pSource != NULL);
assert(pSD != NULL);
m_pSource = pSource;
m_pSource->AddRef();
m_pStreamDescriptor = pSD;
m_pStreamDescriptor->AddRef();
// Create the media event queue.
hr = MFCreateEventQueue(&m_pEventQueue);
}
WavStream::WavStream(WavSource *pSource, CWavRiffParser *pRiff, IMFStreamDescriptor *pSD, HRESULT& hr) :
m_nRefCount(1),
m_pEventQueue(NULL),
m_IsShutdown(FALSE),
m_rtCurrentPosition(0),
m_discontinuity(FALSE),
m_EOS(FALSE)
{
m_pSource = pSource;
m_pSource->AddRef();
m_pStreamDescriptor = pSD;
m_pStreamDescriptor->AddRef();
m_pRiff = pRiff;
// Create the media event queue.
hr = MFCreateEventQueue(&m_pEventQueue);
InitializeCriticalSection(&m_critSec);
}
void CMPEG1Stream::Initialize()
{
// Create the media event queue.
ThrowIfError(MFCreateEventQueue(&m_spEventQueue));
}
CTedTestStreamSink::CTedTestStreamSink()
: m_pSink(NULL)
, m_pMTH(NULL)
{
MFCreateEventQueue(&m_spMEQ);
}
