vidrend.h

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

/* ***** 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 _VIDREND_H_
#define _VIDREND_H_

/****************************************************************************
 *  Includes
 */
#include "vidrendf.h"
#include "hxplugn.h"
#include "hxrendr.h"
#include "hxwin.h"
#include "hxsite2.h"
#include "hxasm.h"
#include "hxmon.h"
#include "hxpcmkr.h"
#include "hxcore.h"
#include "hxprefs.h"
#include "hxtick.h"
#include "cringbuf.h"

#include "vidstats.h"

/****************************************************************************
 *  CVideoRenderer
 */
class CVideoRenderer : public IHXPlugin, 
		       public IHXRenderer, 
		       public IHXSiteUser,
		       public IHXInterruptSafe,			
		       public IHXCallback,
		       public IHXStatistics,
		       public IHXRenderTimeLine,
		       public IHXPaceMakerResponse,
#ifdef HELIX_FEATURE_VIDREND_UNTIMED_DECODE
		       public IHXUntimedRenderer,
#endif /* HELIX_FEATURE_VIDREND_UNTIMED_DECODE */
		       public IHXUpdateProperties
{
private:
    class CSetSizeCB : public IHXCallback
    {
    public:
	CSetSizeCB(IHXSite* pSite)
	    : m_lRefCount(0)
	    , m_pSite(pSite)
	{
	    HX_ASSERT(m_pSite);
	    m_pSite->AddRef();

	    m_szViewFrame.cx = 0;
	    m_szViewFrame.cy = 0;
	}

	~CSetSizeCB()
	{
	    HX_RELEASE(m_pSite);
	}

	STDMETHOD(QueryInterface)	(THIS_
					 REFIID riid,
					 void** ppvObj);

	STDMETHOD_(ULONG32,AddRef)	(THIS);

	STDMETHOD_(ULONG32,Release)	(THIS);

	STDMETHOD(Func)			(THIS);

	void SetSize(HXxSize szViewFrame)
	{
	    m_szViewFrame = szViewFrame;
	}

    private:
	LONG32	    m_lRefCount;
	IHXSite*   m_pSite;
	HXxSize	    m_szViewFrame;
    };

    typedef enum 
    { 
	Stopped, 
	Buffering, 
	PlayStarting,
	Playing, 
	Paused, 
	Seeking
    } PlayState;

    static const char* const 	zm_pDescription;
    static const char* const	zm_pCopyright;
    static const char* const 	zm_pMoreInfoURL;

    static const char* const	zm_pStreamMimeTypes[];

    LONG32				m_lRefCount;

    HXMutex*				m_pMutex;
    HXMutex*				m_pBltMutex;
    HXMutex*				m_pVSMutex;
    IHXScheduler*			m_pScheduler;
    IHXOptimizedScheduler*		m_pOptimizedScheduler;
    IHXPaceMaker*			m_pDecoderPump;
    IHXPaceMaker*			m_pBltrPump;
    ULONG32				m_ulDecoderPacemakerId;
    ULONG32				m_ulBltrPacemakerId;
    LONG32				m_lDecodePriority;
    CVideoFormat*			m_pDecoderVideoFormat;
    CVideoFormat*			m_pBltrVideoFormat;

#if defined(HELIX_FEATURE_STATS)
    CVideoStatistics*			m_pVideoStats;
#else
    void*                               m_pVideoStats;
#endif /* HELIX_FEATURE_STATS */

    ULONG32				m_lTimeLineOffset;
    ULONG32				m_ulStreamBaseTime;
    ULONG32				m_ulBaseTime;
    ULONG32				m_ulTimeNormalizationOffset;
    BOOL				m_bIsScheduledCB;
    ULONG32				m_ulLateFrameTol;
    ULONG32				m_ulEarlyFrameTol;
    ULONG32				m_ulMaxOptimizedVideoLead;
    ULONG32				m_ulNoFramesPollingInterval;
    ULONG32				m_ulMaxSleepTime;
    ULONG32				m_ulBltPacketQueueSize;
    BOOL				m_bSchedulerStartRequested;
    BOOL				m_bPendingCallback;
    CallbackHandle			m_hPendingHandle;
    ULONG32				m_ulCallbackCounter;

    BOOL				m_bSiteAttached;
    BOOL				m_bDecoderRunning;

    PlayState				m_PlayState; 

    ULONG32				m_ulBytesToBuffer;
    ULONG32				m_ulAvgBitRate;
    ULONG32				m_ulPreroll;
    ULONG32				m_ulBufferingStartTime;
    ULONG32				m_ulBufferingStopTime;
    ULONG32				m_ulBufferingTimeOut;
    BOOL				m_bBufferingOccured;
    BOOL				m_bBufferingNeeded;
    BOOL				m_bFirstFrame;
    BOOL				m_bBaseTimeSet;
    BOOL				m_bFirstSurfaceUpdate;
    BOOL				m_bPendingRedraw;
    BOOL				m_bVS1UpdateInProgress;

    HXBitmapInfoHeader			m_BitmapInfoHeader;
    HXBitmapInfoHeader*		m_pVSurf2InputBIH;

    CRingBuffer*			m_pBltPacketQueue;
protected:
    BOOL				m_bBitmapSet;
private:
    BOOL				m_bFrameSizeInitialized;
    BOOL				m_bWinSizeFixed;
    BOOL				m_bOptimizedBlt;
    BOOL				m_bOSGranuleBoost;
    BOOL				m_bOSGranuleBoostVS2;
    BOOL				m_bTryVideoSurface2;
    BOOL				m_bUseVideoSurface2;
    BOOL				m_bVideoSurface2Transition;
    BOOL				m_bVideoSurface1Requested;
    BOOL				m_bVideoSurfaceInitialized;
    BOOL				m_bVideoSurfaceReinitRequested;
    BOOL				m_bVS2BufferUnavailableOnLastBlt;
    BOOL				m_bPresentInProgress;
    ULONG32				m_ulHWBufCount;
    ULONG32				m_ulConfigHWBufCount;

    ULONG32				m_ulSyncInterval;
    ULONG32				m_ulSyncSmoothingDepth;
    ULONG32				m_ulSyncGoalSmoothingDepth;
    ULONG32				m_ulSpeedupGoalSmoothingDepth;
    ULONG32				m_ulBadSeqSampleCount;
    ULONG32				m_ulGoodSeqSampleCount;
    ULONG32				m_ulMaxBadSeqSamples;
    double				m_fTrendSyncDelta;
    
    HXxSize				m_SetWinSize;
    HXxSize				m_LastSetSize;
    HXxRect*				m_pClipRect;
    HXxRect				m_rViewRect;

    CSetSizeCB*				m_pResizeCB;

    void Render(BOOL bMarker, BYTE* pData, ULONG32 ulSize, BOOL bLate);
    
    HX_RESULT CheckStreamVersions (IHXValues* pHeader);

    BOOL _ResizeViewFrame(HXxSize szViewFrame,
			  BOOL bMutex,
			  BOOL bForceSyncResize,
			  BOOL bDefaultResize);

    HX_RESULT UpdateDisplay(HXxEvent* pEvent, 
			    BOOL bSystemEvent = FALSE,
			    BOOL bIsVisible = TRUE);
protected:    
    HX_RESULT UpdateVideoSurface(IHXVideoSurface* pVideoSurface,
				 CMediaPacket* pVideoPacket,
				 HXxRect &destRect,
				 HXxRect &sorcRect,
				 BOOL bOptimizedBlt);
    HX_RESULT UpdateVideoSurface2(IHXVideoSurface* pVideoSurface,
				  HXxRect &destRect,
				  HXxRect &sorcRect,
				  BOOL bRefresh,
				  BOOL bSystemEvent);
private:    
    HX_RESULT FlushVideoSurface2(IHXSite* pSite);

    inline HX_RESULT SwitchToVideoSurface1(void);
    inline HX_RESULT SwitchToVideoSurface2(void);

    BOOL ForceRefresh(void);
    void ForceDisplayUpdate(BOOL bInternalSurfaceUpdateOnly = FALSE,
			    BOOL bHasVisibleSurface = TRUE);
    inline HX_RESULT ForceDisplayUpdateOnSite(IHXSite* pSite, 
					      BOOL bInternalSurfaceUpdateOnly,
					      BOOL bHasVisibleSurface);

    void PresentFrame(void);

    HX_RESULT InitVideoSurface1(BOOL bUsedVideoSurface2,
				IHXVideoSurface* pVideoSurface = NULL);
    HX_RESULT InitVideoSurface2(ULONG32 ulWidth, ULONG32 ulHeight);

    HX_RESULT StartSchedulers(void);
    inline BOOL ShouldKickStartScheduler();
    HX_RESULT ScheduleCallback(UINT32 ulRelativeTime, 
			       BOOL bIsScheduled = FALSE,
			       UINT32 ulBaseTime = 0);
    void SchedulerCallback(BOOL bIsScheduled,
			   BOOL bResched = TRUE,
			   BOOL bIsVS2Call = FALSE,
			   BOOL bProcessUndisplayableFramesOnly = FALSE);
    
    inline CallbackHandle ScheduleRelativeCallback(UINT32 ulRelativeTime,
						   IHXCallback* pCallback);
    inline CallbackHandle ScheduleAbsoluteCallback(HXTimeval &hxTime,
						   IHXCallback* pCallback);
    void RemoveCallback(CallbackHandle &hCallback);

    HX_RESULT BeginOptimizedBlt(HXBitmapInfoHeader* pBitmapInfo);
    void EndOptimizedBlt(void);

    inline void RequestBuffering(void);
    inline void RequestBufferingEnd(void);
    HX_RESULT BeginBuffering(void);
    HX_RESULT EndBuffering(void);
    inline BOOL IsBufferingComplete(IHXPacket* pPacket = NULL);

    void ReleasePacket(CMediaPacket* pPacket,
		       BOOL bForceKill = FALSE);

    void ClearBltPacketQueue(void);

    BOOL IsDecoderRunning(void)	    { return m_bDecoderRunning; }

    HX_RESULT OnDecoderStart(void);
    HX_RESULT OnDecoderEnd(void);
    BOOL OnDecode(void);

    void DisplayMutex_Lock(void)
    {
	m_pBltMutex->Lock();
	m_pVSMutex->Lock();
    }

    void DisplayMutex_Unlock(void)
    {
	m_pVSMutex->Unlock();
	m_pBltMutex->Unlock();
    }

protected:
    CVideoFormat*			m_pVideoFormat;

public:
    /*
     *	Costructor
     */
    CVideoRenderer(void);

    /*
     *	Destructor
     */
    virtual ~CVideoRenderer();

    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)	(THIS_
				REFIID riid,
				void** ppvObj);

    STDMETHOD_(ULONG32,AddRef)	(THIS);

    STDMETHOD_(ULONG32,Release)	(THIS);

    /*
     *	IHXPlugin methods
     */
    /************************************************************************
     *	Method:
     *	    IHXPlugin::GetPluginInfo
     *	Purpose:
     *	    Returns the basic information about this plugin. Including:
     *
     *	    bLoadMultiple	whether or not this plugin DLL can be loaded
     *				multiple times. All File Formats must set
     *				this value to TRUE.
     *	    pDescription	which is used in about UIs (can be NULL)
     *	    pCopyright		which is used in about UIs (can be NULL)
     *	    pMoreInfoURL	which is used in about UIs (can be NULL)
     */
    STDMETHOD(GetPluginInfo)	(THIS_
				REF(BOOL)	 /*OUT*/ bLoadMultiple,
				REF(const char*) /*OUT*/ pDescription,
				REF(const char*) /*OUT*/ pCopyright,
				REF(const char*) /*OUT*/ pMoreInfoURL,
				REF(ULONG32)	 /*OUT*/ ulVersionNumber
				);

    /************************************************************************
     *	Method:
     *	    IHXPlugin::InitPlugin
     *	Purpose:
     *	    Initializes the plugin for use. This interface must always be
     *	    called before any other method is called. This is primarily needed 
     *	    so that the plugin can have access to the context for creation of
     *	    IHXBuffers and IMalloc.
     */
    STDMETHOD(InitPlugin)   (THIS_
			    IUnknown*   /*IN*/  pContext);

    
    /*
     *	IHXRenderer methods
     */
    /************************************************************************
     *	Method:
     *	    IHXRenderer::GetRendererInfo
     *	Purpose:
     *	    Returns information vital to the instantiation of rendering 
     *	    plugins.
     */
    STDMETHOD(GetRendererInfo)	(THIS_
				REF(const char**) /*OUT*/ pStreamMimeTypes,
				REF(UINT32)      /*OUT*/ unInitialGranularity
				);

    /////////////////////////////////////////////////////////////////////////
    //	Method:
    //	    IHXRenderer::StartStream
    //	Purpose:
    //	    Called by client engine to inform the renderer of the stream it
    //	    will be rendering. The stream interface can provide access to
    //	    its source or player. This method also provides access to the 
    //	    primary client controller interface.
    //
    STDMETHOD (StartStream)	(THIS_			
				IHXStream*	    pStream,
				IHXPlayer*	    pPlayer);

    /////////////////////////////////////////////////////////////////////////
    //	Method:
    //	    IHXRenderer::EndStream
    //	Purpose:
    //	    Called by client engine to inform the renderer that the stream
    //	    is was rendering is closed.
    //
    STDMETHOD (EndStream)	(THIS);

    /////////////////////////////////////////////////////////////////////////
    //	Method:
    //		IHXRenderer::OnHeader
    //	Purpose:
    //		Called by client engine when a header for this renderer is 
    //		available. The header will arrive before any packets.
    //
    STDMETHOD (OnHeader)	(THIS_
				IHXValues*	    pHeader);

    /////////////////////////////////////////////////////////////////////////
    //	Method:
    //	    IHXRenderer::OnPacket
    //	Purpose:
    //	    Called by client engine when a packet for this renderer is 
    //	    due.
    //
    STDMETHOD (OnPacket)	(THIS_
				IHXPacket*	    pPacket,
				LONG32		    lTimeOffset);

    /////////////////////////////////////////////////////////////////////////
    //	Method:
    //	    IHXRenderer::OnTimeSync
    //	Purpose:
    //	    Called by client engine to inform the renderer of the current
    //	    time relative to the streams synchronized time-line. The 
    //	    renderer should use this time value to update its display or
    //	    render it's stream data accordingly.
    //
    STDMETHOD (OnTimeSync)	(THIS_
				ULONG32		    ulTime);

    /////////////////////////////////////////////////////////////////////////
    //  Method: