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diff --git a/thirdparties/win32/include/directshow/outputq.h b/thirdparties/win32/include/directshow/outputq.h
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+//------------------------------------------------------------------------------
+// File: OutputQ.h
+//
+// Desc: DirectShow base classes - defines the COutputQueue class, which
+// makes a queue of samples and sends them to an output pin. The
+// class will optionally send the samples to the pin directly.
+//
+// Copyright (c) Microsoft Corporation. All rights reserved.
+//------------------------------------------------------------------------------
+
+
+typedef CGenericList<IMediaSample> CSampleList;
+
+class COutputQueue : public CCritSec
+{
+public:
+ // Constructor
+ COutputQueue(IPin *pInputPin, // Pin to send stuff to
+ HRESULT *phr, // 'Return code'
+ BOOL bAuto = TRUE, // Ask pin if blocks
+ BOOL bQueue = TRUE, // Send through queue (ignored if
+ // bAuto set)
+ LONG lBatchSize = 1, // Batch
+ BOOL bBatchExact = FALSE,// Batch exactly to BatchSize
+ LONG lListSize = // Likely number in the list
+ DEFAULTCACHE,
+ DWORD dwPriority = // Priority of thread to create
+ THREAD_PRIORITY_NORMAL,
+ bool bFlushingOpt = false // flushing optimization
+ );
+ ~COutputQueue();
+
+ // enter flush state - discard all data
+ void BeginFlush(); // Begin flushing samples
+
+ // re-enable receives (pass this downstream)
+ void EndFlush(); // Complete flush of samples - downstream
+ // pin guaranteed not to block at this stage
+
+ void EOS(); // Call this on End of stream
+
+ void SendAnyway(); // Send batched samples anyway (if bBatchExact set)
+
+ void NewSegment(
+ REFERENCE_TIME tStart,
+ REFERENCE_TIME tStop,
+ double dRate);
+
+ HRESULT Receive(IMediaSample *pSample);
+
+ // do something with these media samples
+ HRESULT ReceiveMultiple (
+ IMediaSample **pSamples,
+ long nSamples,
+ long *nSamplesProcessed);
+
+ void Reset(); // Reset m_hr ready for more data
+
+ // See if its idle or not
+ BOOL IsIdle();
+
+ // give the class an event to fire after everything removed from the queue
+ void SetPopEvent(HANDLE hEvent);
+
+protected:
+ static DWORD WINAPI InitialThreadProc(LPVOID pv);
+ DWORD ThreadProc();
+ BOOL IsQueued()
+ {
+ return m_List != NULL;
+ }
+
+ // The critical section MUST be held when this is called
+ void QueueSample(IMediaSample *pSample);
+
+ BOOL IsSpecialSample(IMediaSample *pSample)
+ {
+ return (DWORD_PTR)pSample > (DWORD_PTR)(LONG_PTR)(-16);
+ }
+
+ // Remove and Release() batched and queued samples
+ void FreeSamples();
+
+ // Notify the thread there is something to do
+ void NotifyThread();
+
+
+protected:
+ // Queue 'messages'
+ #define SEND_PACKET ((IMediaSample *)(LONG_PTR)(-2)) // Send batch
+ #define EOS_PACKET ((IMediaSample *)(LONG_PTR)(-3)) // End of stream
+ #define RESET_PACKET ((IMediaSample *)(LONG_PTR)(-4)) // Reset m_hr
+ #define NEW_SEGMENT ((IMediaSample *)(LONG_PTR)(-5)) // send NewSegment
+
+ // new segment packet is always followed by one of these
+ struct NewSegmentPacket {
+ REFERENCE_TIME tStart;
+ REFERENCE_TIME tStop;
+ double dRate;
+ };
+
+ // Remember input stuff
+ IPin * const m_pPin;
+ IMemInputPin * m_pInputPin;
+ BOOL const m_bBatchExact;
+ LONG const m_lBatchSize;
+
+ CSampleList * m_List;
+ HANDLE m_hSem;
+ CAMEvent m_evFlushComplete;
+ HANDLE m_hThread;
+ IMediaSample ** m_ppSamples;
+ LONG m_nBatched;
+
+ // Wait optimization
+ LONG m_lWaiting;
+ // Flush synchronization
+ BOOL m_bFlushing;
+
+ // flushing optimization. some downstream filters have trouble
+ // with the queue's flushing optimization. other rely on it
+ BOOL m_bFlushed;
+ bool m_bFlushingOpt;
+
+ // Terminate now
+ BOOL m_bTerminate;
+
+ // Send anyway flag for batching
+ BOOL m_bSendAnyway;
+
+ // Deferred 'return code'
+ BOOL volatile m_hr;
+
+ // an event that can be fired after every deliver
+ HANDLE m_hEventPop;
+};
+
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