smldoc.cpp

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

	    delete pID;
	}
    }
    HX_DELETE(m_pPausedAndDisabledIDMap);
    
    if (m_pPausedAndDisabledBrightnessMap)
    {
	CHXMapStringToOb::Iterator i =
		m_pPausedAndDisabledBrightnessMap->Begin();
	for (; i != m_pPausedAndDisabledBrightnessMap->End(); ++i)
	{
	    float* pf = (float*)(*i);
	    delete pf;
	}
    }
    HX_DELETE(m_pPausedAndDisabledBrightnessMap);

    if(m_pSiteInfoList)
    {
	CHXSimpleList::Iterator i = m_pSiteInfoList->Begin();
	for(; i != m_pSiteInfoList->End(); ++i)
	{
	    SMILSiteInfo* pSiteInfo = (SMILSiteInfo*)(*i);
	    delete pSiteInfo;
	}
    }
    HX_DELETE(m_pSiteInfoList);

    if(m_pStatusMessage)
    {
	m_pStatusMessage->SetStatus(NULL);
    }
    HX_RELEASE(m_pStatusMessage);

    if (m_pPlayerResumeStack)
    {
	CSmilPlayerResumePos* pResumePos =
		(CSmilPlayerResumePos*)m_pPlayerResumeStack->Pop();
	while (pResumePos)
	{
	    delete pResumePos;
	    pResumePos = (CSmilPlayerResumePos*)m_pPlayerResumeStack->Pop();
	}
    }
    HX_DELETE(m_pPlayerResumeStack);

    if (m_bRootLayoutSiteDetached)
    {
        HX_DELETE(m_pSiteInfoByRendererMap);
        HX_DELETE(m_pSiteWatcherMap);
    }
    HX_DELETE(m_pSmilParser);
    HX_VECTOR_DELETE(m_pFragment);
    HX_RELEASE(m_pScheduler);
    HX_RELEASE(m_pContext);
    clearRendererMap();
    HX_DELETE(m_pMediaID2RendererMap);
    clearRendererSiteMap();
    HX_DELETE(m_pMediaID2RendererSiteMap);
    clearRendererSiteWatcherMap();
    HX_DELETE(m_pMediaID2RendererSiteWatcherMap);

#ifdef _MACINTOSH
    if (m_bResetCursor)
    {
	m_bResetCursor = FALSE;
	::InitCursor();
    }
#endif

    // Set the flag indicating that close has been called
    m_bCloseCalled = TRUE;

    // Release the sound level mutex
    HX_RELEASE(m_pSoundLevelMutex);

    return HXR_OK;
}

HX_RESULT
CSmilDocumentRenderer::onHeader(IHXValues* pHeader)
{
    m_bSMILPresentationHasEnded = FALSE;

    m_pRegionMap = new CHXMapStringToOb;
    m_pSiteInfoByRendererMap = new CHXMapPtrToPtr;

    m_pSmilParser = new CSmilParser(m_pContext);
    m_pSmilParser->init();
    
    if (m_pPersistentParentRenderer &&
	HXR_OK == m_pPersistentParentRenderer->GetElementProperties(m_uPersistentGroupID,
								    m_uPersistentTrackID,
								    m_pPersistentProperties))
    {
	m_pSmilParser->InitPersistent(m_ulPersistentComponentID, m_pPersistentProperties);
    }

    // Create a root-layout object
    HX_DELETE(m_pRootLayout);
    m_pRootLayout = new CSmilBasicRootLayout();

    // The SMIL default namespace is stored in the
    // "MimeType" property of the stream header
    if (pHeader)
    {
        HX_RELEASE(m_pSMILDefaultNamespaceStr);
	if (m_pParent  &&  !m_pParent->isStreamProxiedByOtherRenderer())
	{
	    pHeader->GetPropertyCString("MimeType", m_pSMILDefaultNamespaceStr);
	}
	else // /Use value passed in via IHXSmilToSmilRendererCommunicator
	{
	    HX_ASSERT(m_pParent);
	    if (m_pParent  &&  m_pParent->m_pVersionNamespaceFromProxyRenderer)
	    {
		m_pSMILDefaultNamespaceStr =
			m_pParent->m_pVersionNamespaceFromProxyRenderer;
		m_pSMILDefaultNamespaceStr->AddRef();
	    }
	}
    }

    // Get the group we are starting on
    m_usAnimBaseGroupIndex = getCurrentGroup();

    return HXR_OK;
}

HX_RESULT
CSmilDocumentRenderer::getErrorInfo(REF(UINT32) ulLineNumber,
				    REF(UINT32) ulColumnNumber,
				    REF(IHXBuffer*) pErrorText)
{
    ulLineNumber = m_pSmilParser->m_ulErrorLineNumber;
    ulColumnNumber = m_pSmilParser->m_ulErrorColumnNumber;
    pErrorText = m_pSmilParser->m_pErrorText;
    if(pErrorText)
    {
	pErrorText->AddRef();
    }

    return HXR_OK;
}

HX_RESULT CSmilDocumentRenderer::getErrorInterface(REF(IHXErrorMessages*) rpErrMsgs)
{
    HX_RESULT retVal = HXR_OK;

    if (m_pErrorMessages)
    {
        HX_RELEASE(rpErrMsgs);
        rpErrMsgs = m_pErrorMessages;
        rpErrMsgs->AddRef();
    }
    else
    {
        retVal = HXR_FAIL;
    }

    return retVal;
}

HX_RESULT
CSmilDocumentRenderer::onPacket(IHXBuffer* pBuffer, BOOL bIsLast)
{
    HX_RESULT rc = HXR_OK;

    BOOL bDumpToFile = FALSE;
    ::getBooleanPreference(m_pContext,
                           "NonObviousKeyName",
                           bDumpToFile);
    BOOL bShowPacketBoundaries = FALSE;
    ::getBooleanPreference(m_pContext,
                           "NonObviousKeyNameOption1",
                           bShowPacketBoundaries);
    if (bDumpToFile)
    {
#ifdef _WINDOWS
        const char* pszFile = "c:\\smildump.txt";
#else
        const char* pszFile = "smildump.txt";
#endif
        FILE* pFoo = fopen(pszFile, m_ulPktnum > 0L ? "a" : "w");
        if (pFoo)
        {
            char* pBuf = (char*) pBuffer->GetBuffer();
            if(pBuf && strlen(pBuf) > 0)
            {
                if (bShowPacketBoundaries)
                {
                    fprintf(pFoo, "[[[packet # %lu]]]:{{{", m_ulPktnum);
                }
                fwrite(pBuf, 1, pBuffer->GetSize(), pFoo);
                if (bShowPacketBoundaries)
                {
                    fprintf(pFoo, "}}}\n");
                }
            }
            else
            {
                if (bShowPacketBoundaries)
                {
                    fprintf(pFoo, "\n[[[Packet %lu empty in onPacket()]]]\n",
                            m_ulPktnum);
                }
            }
        }
        fclose(pFoo);
        if (bIsLast)
            m_ulPktnum = 0L;
        else
            m_ulPktnum++;
    }
    rc = m_pSmilParser->parse(pBuffer, bIsLast);

    return rc;
}

HX_RESULT CSmilDocumentRenderer::setDocument(const char* pFragment)
{
    BOOL bDisableValidation = FALSE;
    ::getBooleanPreference(m_pContext,
                           "DisableSMILValidation",
                           bDisableValidation);
    HX_RESULT rc = HXR_OK;
    if (!bDisableValidation)
    {
#if defined(HELIX_FEATURE_SMIL2_VALIDATION)
        rc = m_pSmilParser->validateAgainstDTD();
#endif /* #if defined(HELIX_FEATURE_SMIL2_VALIDATION) */
    }
    if (SUCCEEDED(rc))
    {
        rc = m_pSmilParser->createElements();
        if(HXR_OK == rc)
        {
            rc = m_pSmilParser->setAllElementHandlers(this);
            rc = handleElements();

            if (SUCCEEDED(rc))
            {
                rc = postParseSetup();
            }

            // The player may need to know about the URLs 
            // we will hurl in advance. Therefore, we will
            // throw all the potential URLs we may throw
            // to the IHXHyperNavigateHint interface.
            SendHyperlinkHints();

            // Handle any references to external media marker files
            m_pSmilParser->handleAllXMMFReferences();

            BOOL bContainsSource = m_pSmilParser->presentationContainsASource();
	    BOOL bContainsInitiallyScheduledTrack =
		    m_pSmilParser->presentationContainsInitiallyScheduledTrack();
            ULONG32 ulDurIfNoInitialTracksScheduled =
                    m_pSmilParser->presentationDurIfNoInitialTracksScheduled();

            // If we have a source in the tree but no source has
            // been scheduled, then we'll go ahead and create a group
            // XXXMEH - temporary fix. The core does not call DoneChangeLayout
            // on the TLC if there is no source scheduled. The real fix for
            // this should be done in the core/TLC but may be involved.
            // This fix should do in the meantime.
            if (!bContainsSource || !bContainsInitiallyScheduledTrack)
            {
                setupDummySource();
            }

            IHXPlayer* pPlayer = m_pParent->getPlayer();
            IHXGroupManager* pMgr = 0;

            if(HXR_OK == pPlayer->QueryInterface(IID_IHXGroupManager, (void**)&pMgr))
            {
                if(pFragment)
                {
                    m_pFragment = new_string(pFragment);
                    m_bSettingFragment = TRUE;
                    m_nFragmentTracks = 0;
                    UINT16 uFragmentGroup = 
                        m_pSmilParser->getFragmentGroup(m_pFragment);
                    pMgr->SetCurrentGroup(uFragmentGroup);
                }
                else if (bContainsInitiallyScheduledTrack)
                {
		    if (m_pParent->m_bUseNestedMeta && m_uCurrentGroupIndex == -1)
		    {
			pMgr->GetCurrentGroup((UINT16&)m_uCurrentGroupIndex);
		    }
                    else
                    {
                        pMgr->SetCurrentGroup(0);
                    }
                }
		// /No sources were scheduled to play, so we have to manually
		// keep the presentation open for others like animate elements
		// (which can animate regions and thus no sources are needed
		// for a SMIL presentation to be (arguably) interesting.  Also,
		// a track (source) could begin on an event during playback:
                else if (ulDurIfNoInitialTracksScheduled>0  &&
			SMILTIME_INVALID != ulDurIfNoInitialTracksScheduled)
                {
                    HX_ASSERT(m_pPersistentLayoutStream);
                    if (m_pPersistentLayoutStream)
                    {
                        IHXValues* pStreamProps = NULL;
                        if(HXR_OK == m_pPersistentLayoutStream->GetProperties(pStreamProps))
                        {
                            pStreamProps->SetPropertyULONG32("duration",
                                    ulDurIfNoInitialTracksScheduled);
                            m_pPersistentLayoutStream->SetProperties(pStreamProps);
                            HX_RELEASE(pStreamProps);
                        }
                    }
                    // XXXMEH - since there are no sources, the only sites will
                    // be region sites, so unless they have an explicit
                    // showBackground="whenActive", then we need to show them here
                    showAllSites(m_pRootLayout, TRUE);
                }

                pMgr->Release();
            }
        }
    }

    return rc;
}

HX_RESULT CSmilDocumentRenderer::setupDummySource()
{
    HX_RESULT retVal = HXR_FAIL;

    // Our dummy source is a <brush>, so if <brush> is
    // not supported, then we fail.
#if defined(HELIX_FEATURE_SMIL2_BRUSH)
    if (m_pParent)
    {
        // Get the player
        IHXPlayer* pPlayer = m_pParent->getPlayer();
        if (pPlayer)
        {
            // Get the group manager
            IHXGroupManager* pMgr = NULL;
            pPlayer->QueryInterface(IID_IHXGroupManager, (void**) &pMgr);
            if (pMgr)
            {
                // Get the current group
                UINT16 usGroup = 0;
	        if (m_pParent->m_bUseNestedMeta && m_uCurrentGroupIndex == -1)
	        {
		    pMgr->GetCurrentGroup(usGroup);
	        }
                // Get an IHXCommonClassFactory
                IHXCommonClassFactory* pFactory = m_pParent->getFactory();
                if (pFactory)
                {
                    // Create an IHXValues for the track properties
                    IHXValues* pValues = NULL;
                    pFactory->CreateInstance(CLSID_IHXValues, (void**) &pValues);
                    if (pValues)
                    {
                        // Create an IHXValues for the 822 headers
                        IHXValues* pReqHeaders = NULL;
                        pFactory->CreateInstance(CLSID_IHXValues, (void**) &pReqHeaders);
                        if (pReqHeaders)
                        {
                            // Create the base of our src string
                            CHXString cSrc("data:text/brush;base64,");
                            // Now we need to create our brush string
                            CHXString cBrushText("<brush color=\"black\"/>");
                            // Allocate an output string big enough to hold the
                            // base-64-encoded string
                            char* pStr64 = new char [cBrushText.GetLength() << 1];
                            if (pStr64)
                            {
                                // Encode to base-64
                                INT32 lEncodedLen = BinTo64((const BYTE*)(const char*) cBrushText,
                                                            cBrushText.GetLength(),
                                                            pStr64);
                                // Create a string out of this encoded data
                                CHXString cEncodedBrushText((const char*) pStr64, lEncodedLen);
                                // Append this string to our src string
                                cSrc += cEncodedBrushText;
                            }
                            HX_VECTOR_DELETE(pStr64);
                            // Assign the "url" property
                            setProperty(pValues, "url", (const char*) cSrc);
                            // Assign the "id" property
                            setProperty(pValues, "id", "dummy_brush_07241965");
                            // Assign the delay property
                            pValues->SetPropertyULONG32("delay", 0);
                            // Assign the duration property to 1ms