sm1rendr.cpp

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: sm1rendr.cpp,v 1.3.2.1 2004/07/09 01:57:37 hubbe Exp $
 * 
 * Portions Copyright (c) 1995-2004 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 (the "RPSL") available at
 * http://www.helixcommunity.org/content/rpsl unless you have licensed
 * the file under the current version of the RealNetworks Community
 * Source License (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.
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL") in which case the provisions of the GPL are applicable
 * instead of those above. If you wish to allow use of your version of
 * this file only under the terms of the GPL, and not to allow others
 * to use your version of this file under the terms of either the RPSL
 * or RCSL, indicate your decision by deleting the provisions above
 * and replace them with the notice and other provisions required by
 * the GPL. If you do not delete the provisions above, a recipient may
 * use your version of this file under the terms of any one of the
 * RPSL, the RCSL or the GPL.
 * 
 * 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 ***** */

#if defined (_AIX)
#include <X11/Xlib.h>
#endif

#include <stdio.h>

#include "sm1rendr.ver"
#include "hxtypes.h"

#include "hxwintyp.h"
#include "chxxtype.h"
#include "hxcom.h"
#include "hxcomm.h"
#include "ihxpckts.h"
#include "hxfiles.h"
#include "hxcore.h"
#include "hxprefs.h"
#include "hxrendr.h"
#include "hxasm.h"
#include "hxplugn.h"
#include "hxengin.h"
#include "hxwin.h"
#include "hxgroup.h"
#include "hxsite2.h"
#include "hxclsnk.h"
#include "hxerror.h"
#include "hxupgrd.h"
#include "hxprefs.h"
#include "hxvsurf.h"
#include "hxcmenu.h"
#include "hxhyper.h"
#include "hxmon.h"	// for IHXRegistry
#include "hxxres.h"
#include "hxxrsmg.h"
#include "hxmeta1.h"   /* renamed for SHAZAM; used to be hxmeta.h */
#include "hxsm2sm.h"

#include "hxxml.h"
#include "hxxmlprs.h"
#include "xmlreslt.h"

#include "hxstack.h"
#include "hxslist.h"
#include "hxstring.h"
#include "hxstrutl.h"
#include "hxmap.h"
#include "chxpckts.h"
#include "hxmap.h"
#include "hxurl.h"
#include "asmrulep.h"
#include "hxver.h"

#include "smlpkt.h"
#include "sm1elem.h"
#include "sm1doc.h"
#include "sm1error.h"
#include "smilres.h"
#include "xmlres.h"
#include "smlrendr.h" /* for SMIL2+ renderer (CSmilRenderer) */
#include "sm1rendr.h"
#include "addupcol.h"

/* We should really define it in a common header file */
#if defined (_WINDOWS ) || defined (WIN32)
#define OS_SEPARATOR_CHAR	'\\'
#define OS_SEPARATOR_STRING	"\\"
#elif defined (_UNIX)
#define OS_SEPARATOR_CHAR	'/'
#define OS_SEPARATOR_STRING	"/"
#elif defined (_MACINTOSH)
#define OS_SEPARATOR_CHAR	':'
#define OS_SEPARATOR_STRING	":"
#endif // defined (_WINDOWS ) || defined (WIN32)

#include "hxheap.h"
#ifdef _DEBUG
#undef HX_THIS_FILE		
static const char HX_THIS_FILE[] = __FILE__;
#endif

#ifdef _WINDOWS
extern HINSTANCE g_hInstance;
#endif

// /Defining the following fixes PR 62481 and seems to work fine with other
// SMIL 2.0 content coming from a SMIL 1.0 File Format plug-in:
#define DO_INIT_PERSISTENT_ON_NEXTGEN_SMILREND    1


static const UINT32 INITIAL_GRANULARITY = 66;

/****************************************************************************
 * 
 *  Method:
 * 
 *	HXCreateInstance()
 * 
 *  Purpose:
 * 
 *	Function implemented by all plugin DLL's to create an instance of 
 *	any of the objects supported by the DLL. This method is similar to 
 *	Window's CoCreateInstance() in its purpose, except that it only 
 *	creates objects from this plugin DLL.
 *
 *	NOTE: Aggregation is never used. Therefore and outer unknown is
 *	not passed to this function, and you do not need to code for this
 *	situation.
 * 
 */
HX_RESULT STDAPICALLTYPE CSmil1Renderer::HXCreateInstance(IUnknown** ppIUnknown)
{
    HX_RESULT retVal = HXR_FAIL;

    if (ppIUnknown)
    {
        CSmil1Renderer* pObj = new CSmil1Renderer();
        if (pObj)
        {
            retVal = pObj->QueryInterface(IID_IUnknown, (void**) ppIUnknown);
            if (FAILED(retVal))
            {
                HX_DELETE(pObj);
            }
        }
    }

    return retVal;
}

HX_RESULT STDAPICALLTYPE CSmil1Renderer::CanUnload2()
{
    return ((CHXBaseCountingObject::ObjectsActive() > 0) ? HXR_FAIL : HXR_OK );
}

const char* const CSmil1Renderer::zm_pName	      = "SMIL 1.0";
const char* const CSmil1Renderer::zm_pDescription    = "RealNetworks RMA Driver Renderer Plugin";
const char* const CSmil1Renderer::zm_pCopyright      = HXVER_COPYRIGHT;
const char* const CSmil1Renderer::zm_pMoreInfoURL    = HXVER_MOREINFO;
const char* const CSmil1Renderer::zm_pStreamMimeTypes[] = { "application/vnd.rn-rmadriver", "application/rma-driver", NULL };


/************************************************************************
 *  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.
 */
STDMETHODIMP CSmil1Renderer::InitPlugin(IUnknown* /*IN*/ pContext)
{
#if defined(HELIX_FEATURE_SMIL2)
    HX_ASSERT(!m_bIsHigherVersionSmilStreamFromOldSMIL1FF);
#endif /* defined(HELIX_FEATURE_SMIL2). */

    m_pContext = pContext;
    m_pContext->AddRef();

    m_pContext->QueryInterface(IID_IHXCommonClassFactory,
	    (void**)&m_pCommonClassFactory);

    return HXR_OK;
}

/************************************************************************
 *  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)
 */
STDMETHODIMP CSmil1Renderer::GetPluginInfo
(
    REF(BOOL)        /*OUT*/ bLoadMultiple,
    REF(const char*) /*OUT*/ pDescription,
    REF(const char*) /*OUT*/ pCopyright,
    REF(const char*) /*OUT*/ pMoreInfoURL,
    REF(ULONG32)     /*OUT*/ ulVersionNumber
)
{
#if defined(HELIX_FEATURE_SMIL2)
    HX_ASSERT(!m_bIsHigherVersionSmilStreamFromOldSMIL1FF);
#endif /* defined(HELIX_FEATURE_SMIL2). */

    bLoadMultiple = TRUE;   // Must be true for file formats.

    pDescription    = (const char*) zm_pDescription;
    pCopyright	    = (const char*) zm_pCopyright;
    pMoreInfoURL    = (const char*) zm_pMoreInfoURL;
    ulVersionNumber = TARVER_ULONG32_VERSION;

    return HXR_OK;
}

/************************************************************************
 *  Method:
 *    IHXPlugin::GetRendererInfo
 *  Purpose:
 *    If this object is a file format object this method returns
 *    information vital to the instantiation of file format plugins.
 *    If this object is not a file format object, it should return
 *    HXR_UNEXPECTED.
 */
STDMETHODIMP CSmil1Renderer::GetRendererInfo
(
    REF(const char**) /*OUT*/ pStreamMimeTypes,
    REF(UINT32)      /*OUT*/ unInitialGranularity
)
{
#if defined(HELIX_FEATURE_SMIL2)
    HX_ASSERT(!m_bIsHigherVersionSmilStreamFromOldSMIL1FF);
#endif /* defined(HELIX_FEATURE_SMIL2). */

    pStreamMimeTypes = (const char**) zm_pStreamMimeTypes;
    unInitialGranularity = m_ulGranularity;

    return HXR_OK;
}

CSmil1Renderer::CSmil1Renderer()
	: m_lRefCount(0)
	, m_pContext(NULL)
	, m_pStream(NULL)
	, m_pPlayer(NULL)
	, m_ulLastTime(0)
	, m_pCommonClassFactory(0)
	, m_pPacketParser(0)
	, m_pSmilDocRenderer(0)
	, m_pEngine(0)
	, m_pClientContext(0)
	, m_uLayoutRule(0)
	, m_uSourceRule(0)
	, m_ulTotalSMILPackets(0)
	, m_ulGranularity(INITIAL_GRANULARITY)
	, m_pURLFragment(0)
	, m_lastOnPacketResult(HXR_OK)
#if defined(HELIX_FEATURE_SMIL2)
	// /All of the following are needed for handling SMIL 2+ streams:
	, m_pNextGenSmilRenderer(NULL)
	, m_bIsHigherVersionSmilStreamFromOldSMIL1FF(FALSE)
	, m_pHeader(NULL)
	, m_pDefaultNamespace(NULL)
	, m_bCSmil1StartStreamHasBeenCalled(FALSE)
	, m_bCSmil1EndStreamHasBeenCalled(FALSE)
	, m_bCSmil1GetDisplayTypeHasBeenCalled(FALSE)
	, m_bCSmil1InitializeStatisticsHasBeenCalled(FALSE)

	, m_bCSmil1InitPersistenHasBeenCalled(FALSE)

	, m_bCSmil1GetElementPropertiesHasBeenCalled(FALSE)
	, m_bCSmil1RemoveLayoutSiteGroupHasBeenCalled(FALSE)
	, m_ulPersistentComponentID(0)
	, m_uPersistentGroupID(0)
	, m_uPersistentTrackID(0)
	, m_pPersistentParent(NULL)
	, m_ulRegistryID(0)
	, m_uGroupID(0)
	, m_uTrackID(0)
	// /End "...handling SMIL 2+ streams".
#endif /* defined(HELIX_FEATURE_SMIL2). */
	, m_bUseNestedMeta(TRUE)
	, m_pPersistentComponentManager(NULL)    
	, m_ulPersistentVersion(0)
	, m_persistentType(PersistentSMIL)
{
#if defined(_DEBUG) && defined(XXXMEH_CHECK_FOR_LEAKS)
    char szDbgStr[128]; /* Flawfinder: ignore */
    sprintf(szDbgStr, "CON CSmil1Renderer 0x%08x\n", this); /* Flawfinder: ignore */
    OutputDebugString(szDbgStr);
#endif
    m_ulPersistentVersion = HX_ENCODE_PROD_VERSION(1, 0, 0, 0);
};

CSmil1Renderer::~CSmil1Renderer()
{
#if defined(_DEBUG) && defined(XXXMEH_CHECK_FOR_LEAKS)
    char szDbgStr[128]; /* Flawfinder: ignore */
    sprintf(szDbgStr, "DES CSmil1Renderer 0x%08x\n", this); /* Flawfinder: ignore */
    OutputDebugString(szDbgStr);
#endif
    if(m_pSmilDocRenderer)
    {
	m_pSmilDocRenderer->close(this);
	HX_RELEASE(m_pSmilDocRenderer);
    }

#if defined(HELIX_FEATURE_SMIL2)
    HX_RELEASE(m_pDefaultNamespace);
    HX_RELEASE(m_pNextGenSmilRenderer);
    HX_RELEASE(m_pHeader);
    HX_RELEASE(m_pPersistentParent);
#endif /* defined(HELIX_FEATURE_SMIL2). */

    HX_RELEASE(m_pPersistentComponentManager);
    HX_RELEASE(m_pContext);
    HX_RELEASE(m_pClientContext);
    HX_RELEASE(m_pStream);
    HX_RELEASE(m_pEngine);
    HX_RELEASE(m_pCommonClassFactory);

    HX_DELETE(m_pPacketParser);
    HX_RELEASE(m_pPlayer);
    HX_VECTOR_DELETE(m_pURLFragment);
}


// *** IUnknown methods ***

/////////////////////////////////////////////////////////////////////////
//  Method:
//	IUnknown::QueryInterface
//  Purpose:
//	Implement this to export the interfaces supported by your 
//	object.
//
STDMETHODIMP CSmil1Renderer::QueryInterface(REFIID riid, void** ppvObj)
{
    if (IsEqualIID(riid, IID_IUnknown))
    {
	AddRef();
	*ppvObj = this;
	return HXR_OK;
    }
    else if (IsEqualIID(riid, IID_IHXPlugin))
    {
	AddRef();
	*ppvObj = (IHXPlugin*)this;
	return HXR_OK;
    }
    else if (IsEqualIID(riid, IID_IHXRenderer))
    {
	AddRef();
	*ppvObj = (IHXRenderer*)this;
	return HXR_OK;
    }
    else if (IsEqualIID(riid, IID_IHXSiteUser))
    {
	AddRef();
	*ppvObj = (IHXSiteUser*)this;
	return HXR_OK;
    }
    else if (IsEqualIID(riid, IID_IHXStatistics))
    {
	AddRef();
	*ppvObj = (IHXStatistics*)this;
	return HXR_OK;
    }
    else if (IsEqualIID(riid, IID_IHXPersistentRenderer))
    {
	AddRef();
	*ppvObj = (IHXPersistentRenderer*)this;
	return HXR_OK;
    }
    else if (m_pSmilDocRenderer &&
	     HXR_OK == m_pSmilDocRenderer->QueryInterface(riid, ppvObj))
    {
	return HXR_OK;
    }
#if defined(HELIX_FEATURE_SMIL2)
    else if (m_bIsHigherVersionSmilStreamFromOldSMIL1FF)
    {
	if (!m_pNextGenSmilRenderer)
	{
	    return HXR_UNEXPECTED;
	}
	if (HXR_OK ==
		m_pNextGenSmilRenderer->QueryInterface(riid, ppvObj))
	{
	    return HXR_OK;
	}
    }
#endif /* defined(HELIX_FEATURE_SMIL2). */


    *ppvObj = NULL;
    return HXR_NOINTERFACE;
}

/////////////////////////////////////////////////////////////////////////
//  Method:
//	IUnknown::AddRef
//  Purpose:
//	Everyone usually implements this the same... feel free to use
//	this implementation.
//
STDMETHODIMP_(ULONG32) CSmil1Renderer::AddRef()
{
    return InterlockedIncrement(&m_lRefCount);
}

/////////////////////////////////////////////////////////////////////////
//  Method:
//	IUnknown::Release
//  Purpose:
//	Everyone usually implements this the same... feel free to use
//	this implementation.
//
STDMETHODIMP_(ULONG32) CSmil1Renderer::Release()
{
    if (InterlockedDecrement(&m_lRefCount) > 0)
    {
        return m_lRefCount;
    }

    delete this;
    return 0;
}

// *** IHXRenderer methods ***

/////////////////////////////////////////////////////////////////////////
//  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.
//
STDMETHODIMP CSmil1Renderer::StartStream
(
    IHXStream*	    pStream,