vidrendf.h
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef __VIDRENDF_H__
- #define __VIDRENDF_H__
- /****************************************************************************
- * Includes
- */
- #include "hxtypes.h"
- #include "hxcom.h"
- #include "hxslist.h"
- #include "hxwintyp.h"
- #include "hxcomm.h"
- #include "ihxpckts.h"
- #include "hxthread.h"
- #include "hxvsurf.h"
- #include "chxbufpl.h"
- #include "cringbuf.h"
- #include "mdpkt.h"
- /****************************************************************************
- * Globals
- */
- class CVideoRenderer;
- /****************************************************************************
- * CVideoFormat
- */
- class CVideoFormat
- {
- public:
- /*
- * Constructor/Destructor
- */
- CVideoFormat(IHXCommonClassFactory* pCommonClassFactory,
- CVideoRenderer* pVideoRenderer);
- /*
- * IUnknown methods
- */
- STDMETHOD(QueryInterface) (THIS_
- REFIID riid,
- void** ppvObj);
- STDMETHOD_(ULONG32,AddRef) (THIS);
- STDMETHOD_(ULONG32,Release) (THIS);
- /*
- * Public but Fixed Core functionality - not deriveable
- */
- BOOL Enqueue(IHXPacket* pCodecData);
- void ReturnAssembledPacket(CMediaPacket* pFramePacket);
- HX_RESULT Requeue(CMediaPacket* pFramePacket);
- CMediaPacket* Dequeue(void);
- BOOL DecodeFrame(void);
- BOOL ReturnDecodedPacket(CMediaPacket* pDecodedPacket);
- void OnRawPacketsEnded(void) { m_bRawPacketsDone = TRUE; }
- BOOL GetNextFrameTime(UINT32 &ulTime)
- {
- BOOL bRetVal = FALSE;
- CMediaPacket* pFrame = PeekOutQueueHeadPacket();
-
- if (pFrame)
- {
- ulTime = pFrame->m_ulTime;
- bRetVal = TRUE;
- }
-
- return bRetVal;
- }
- BOOL IsNextFrameSkippable(BOOL &bIsSkippable)
- {
- BOOL bRetVal = FALSE;
- CMediaPacket* pFrame = PeekOutQueueHeadPacket();
-
- if (pFrame)
- {
- bIsSkippable = IsFrameSkippable(pFrame);
- bRetVal = TRUE;
- }
-
- return bRetVal;
- }
- CHXBufferPool* GetFramePool(void) { return m_pFramePool; }
- virtual void OnDecodedPacketRelease(CMediaPacket* &pPacket);
- ULONG32 GetAssembledPacketQueueDepth(void) { return m_InputQueue.GetCount(); }
- ULONG32 GetDecodedFrameQueueDepth(void) { return m_pOutputQueue->Count(); }
- void AdjustDecodedFrameQueueCapacity(LONG32 ulMaxCount)
- {
- m_pOutputQueue->SetMaxCount(ulMaxCount);
- }
- void SetStartTime(ULONG32 ulTime) { m_ulStartTime = ulTime; }
- ULONG32 GetStartTime(void) { return m_ulStartTime; }
- void SuspendDecode(BOOL bSuspend) { m_bDecodeSuspended = bSuspend; }
- BOOL IsDecodeSuspended(void) { return m_bDecodeSuspended; }
- BOOL AreRawPacketsDone(void) { return m_bRawPacketsDone; }
- /*
- * Public and Customizable functionality - derive to customize
- */
- virtual HX_RESULT Init(IHXValues* pHeader);
- virtual BOOL IsFrameSkippable(CMediaPacket* pFrame)
- {
- return (pFrame->m_pSampleDesc == NULL);
- }
- virtual void Reset(void);
- virtual HX_RESULT InitBitmapInfoHeader(HXBitmapInfoHeader &BitmapInfoHeader,
- CMediaPacket* pVideoPacket);
-
- virtual BOOL IsBitmapFormatChanged(HXBitmapInfoHeader &BitmapInfoHeader,
- CMediaPacket* pVideoPacket)
- {
- return (pVideoPacket->m_pSampleDesc != NULL);
- }
- virtual ULONG32 GetDefaultPreroll(IHXValues* pValues);
- virtual ULONG32 GetMinimumPreroll(IHXValues* pValues);
- virtual ULONG32 GetMaximumPreroll(IHXValues* pValues);
- virtual const char** GetMimeTypes(void);
- virtual ULONG32 GetMaxDecodedFrames(void);
- HX_RESULT GetLastError();
- protected:
- virtual ~CVideoFormat();
- /*
- * Protected but Customizable functionality - derive to customize
- */
- virtual CHXBufferPool* CreateBufferPool(void);
- virtual CMediaPacket* CreateAssembledPacket(IHXPacket* pPayloadData);
- virtual CMediaPacket* CreateDecodedPacket(CMediaPacket* pCodedPacket);
- /*
- * Usable from the derived renderer format
- */
- IHXCommonClassFactory* m_pCommonClassFactory;
- IHXValues* m_pHeader;
- CHXBufferPool* m_pFramePool;
- HX_RESULT m_LastError;
- private:
- /*
- * Private and Fixed functionality
- */
- void _Reset(void);
- CMediaPacket* PeekOutQueueHeadPacket(void)
- {
- return (CMediaPacket*) m_pOutputQueue->Peek();
- }
- void FlushOutputQueue(void);
- /*
- * Controls of the renderer format packet pump
- */
- HXMutex* m_pMutex;
- HXMutex* m_pAssemblerMutex;
- HXMutex* m_pDecoderMutex;
- CHXSimpleList m_InputQueue;
- CRingBuffer* m_pOutputQueue;
- LONG32 m_lMaxBufferedDecodedFrames;
- ULONG32 m_ulStartTime;
- BOOL m_bDecodeSuspended;
- BOOL m_bRawPacketsDone;
- CVideoRenderer* m_pVideoRenderer;
- LONG32 m_lRefCount;
- };
- #endif // __VIDRENDF_H__