smldoc.cpp

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: smldoc.cpp,v 1.10.4.8 2004/07/13 22:46:02 ehodge 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 ***** */

// system
#include <time.h>
#include <math.h>
#include <ctype.h>  /* for isspace() */
#if defined(_UNIX)  &&  (!(defined(_BEOS)))  &&  defined(USE_XWINDOWS)
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#endif
// include
#include "hxtypes.h"
#include "hxwintyp.h"
#include "hxcom.h"
#include "smiltype.h"
#include "hxcomm.h"
#include "ihxpckts.h"
#include "hxprefs.h"
#include "hxplugn.h"
#include "hxcore.h"
#include "hxwin.h"
#include "hxsite2.h"
#include "hxrendr.h"
#include "hxgroup.h"
#include "hxevent.h"
#include "hxvsurf.h"
#include "hxhyper.h"
#include "hxxml.h"
#include "hxvport.h"
#include "hxfiles.h"
#include "hxausvc.h"
#include "hxclsnk.h"
#if !defined(XXXEH_NEED_TO_ADD_51_PRCNT_OPAQUE_SITE_ON_TOP_TO_DISABLE)
#include "hxvctrl.h"
#endif
#include "hxmmrkr.h"
#include "hxinter.h"
#include "hxupgrd.h"
#include "hxsm2sm.h"
#include "hxerror.h"
// pncont
#include "hxslist.h"
#include "chxpckts.h"
#include "hxstring.h"
#include "hxmap.h"
#include "hxordval.h"
#include "hxstack.h"
#include "rtsputil.h"
// pnmisc
#include "hxurl.h"
#include "hxstrutl.h"
#include "hxwinver.h"
#include "hxtick.h"
#include "dllpath.h"
// rnxmllib
#include "hxxmlprs.h"
// coreres
#include "smilres.h"
// pxcomlib
#include "buffutil.h"
// rmasmil
#include "smlelem.h"
#include "smlparse.h"
#include "smlprstime.h"
#include "smlerror.h"
#include "smlutil.h"
// smlrendr
#include "smlrendr.h"
#include "smlrtype.h"
#include "animattr.h"
#include "animsand.h"
#include "evnthook.h"
#include "siteuser.h"
#include "sitewatc.h"
#include "layout.h"
#include "passivsw.h"
#include "layevent.h"
#include "smcallbk.h"
#include "xdata.h"
#include "smldoc.h"

#if defined(_WINDOWS)
#include "hxalloc.h"
#define IDC_HANDCURSOR 102
#elif defined (_MACINTOSH)
#include "hxmm.h"
#include "cresload.h"
extern FSSpec g_DLLFSpec;
#endif

#if defined(_UNIX)  &&  (!(defined(_BEOS)))  &&  defined(USE_XWINDOWS)
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/cursorfont.h>
/* USE_SHM doesn't work yet */
#ifdef USE_SHM
#undef USE_SHM
#endif /* USE_SHM */
#endif

// pndebug
#include "errdbg.h"
#include "debugout.h"
#include "smlrmlog.h"
#include "hxheap.h"
#ifdef _DEBUG
#undef HX_THIS_FILE
static const char HX_THIS_FILE[] = __FILE__;
#endif

#ifdef _WINDOWS
extern HINSTANCE g_hInstance;
#endif

// /This got removed, accidentally, by huge optimization HEAD check-in on
// 11/7/2001, causing show="new" and target="[someLPP]" (launching of LPP)
// to stop working.  Putting this back in fixes PR 69905:
#define XXXEH_USE_OPENWINDOW_METHOD

#define HANDLE_DISCRETE_MEDIA_IN_TrackDurationSet 1
// /XXXEH- talk to core devs; we need them to be able to
// deal with an added track that all of a sudden has its
// duration changed to zero; this seems to work fine for
// tracks that have a zero delay, but subsequent ones
// hang the system when their durations are set to zero:
#define XXXEH_WAITING_FOR_PLAYER_CORE_FIX_FOR_RESETTING_DUR_TO_ZERO
#if defined(XXXEH_WAITING_FOR_PLAYER_CORE_FIX_FOR_RESETTING_DUR_TO_ZERO)
#define ZERO_DUR    1 /* 1 millisecond to trick core. */
#else
#define ZERO_DUR    0
#endif

// /For case where destinationLevel < 10 on a new player and we need to set
// the shared-by-all-players volume to accomodate this, we need to limit it
// for now so source player's volume doesn't cut out:
#define XXXEH_MIN_DEST_AUDIOPLAYER_VOL    10

// /Clamp track soundLevel at some arbitrary, high value; MEH chose 1000% (10x)
// for max-allowed animation of soundLevel; use 1000 until someone complains
// and then ask them what would be better:
#define MAX_ALLOWED_SOUNDLEVEL  1000.0


// /#define XXXEH_DEBUG_HANDLESOURCE_AND_TRACKDURATIONSET
// /#define XXXEH_DEBUGOUT_TRACKSTOPPAUSERESUME
// /#define XXXEH_DEBUGOUT_RESOLVEGROUPDUR


/*
 * CSmilDocumentRenderer methods
 */

CSmilDocumentRenderer::CSmilDocumentRenderer(
    CSmilRenderer* pParent, IUnknown* pContext):
    m_pParent(pParent),
    m_pSmilParser(0),
    m_ulParseResult(HXR_OK),
    m_lRefCount(0),
    m_pRegionMap(0),
    m_pRootLayout(NULL),
    m_pViewportList(NULL),
    m_pRegPointMap(NULL),
#if defined(HELIX_FEATURE_SMIL2_TRANSITIONS)
    m_pTransitionMap(0),
#endif /* #if defined(HELIX_FEATURE_SMIL2_TRANSITIONS) */
    m_pSiteInfoByRendererMap(0),
    m_pSiteWatcherMap(0),
    m_pGroupInfoMap(0),
    m_pGroupMap(0),
    m_pDeferredSourceMap(0),
    m_pDeferrededRemoveTrackMap(NULL),
    m_bInTrackDurationSetCall(FALSE),
    m_bEventSinkWasSetup(FALSE),
    m_pPausedAndDisabledIDMap(NULL),
    m_pPausedAndDisabledBrightnessMap(NULL),
    m_pPrefetchTrackElementMap(0),
    m_pSiteInfoList(0),
    m_uCurrentGroupIndex(-1),
    m_pPlayToAssocList(0),
    m_pZOrderList(0),
    m_pSiteMgr(0),
    m_pScheduler(0),
    m_pEventList(0),
    m_pFragment(0),
    m_ulCurrentTime(0),
    m_ulEventListPosition(0),
    m_bFirstTimeSync(FALSE),
    m_bSettingFragment(FALSE),
    m_bFragFoundAndResolved(FALSE),
    m_ulFragmentTimeOffset(0),
    m_bInHyperlink(FALSE),
    m_pStatusMessage(0),
    m_bStatusMessageSet(FALSE),
    m_bMetadataPassedOffAlready(FALSE),
    m_pPersistentLayoutStream(NULL),
    m_bIsRootLayoutSetup(FALSE),
    m_ulNoLayoutRendererCount(0),
    m_pErrorMessages(NULL),
    m_bDestPlaystateIsPause(FALSE),
#ifdef _WINDOWS
    m_hPreHyperlinkCursor(0),
    m_hHyperlinkCursor(0),
    m_bNeedToSetHyperlinkCursor(FALSE),
#endif
#ifdef _MACINTOSH
    m_hHyperlinkCursor(0),
    m_bResetCursor(FALSE),
#endif
#if defined(_UNIX)  &&  (!(defined(_BEOS)))  &&  defined(USE_XWINDOWS)
    m_hHyperlinkCursor(0),
    m_hCurrentCursor(0),
    m_pDisplay(0),
    m_Window(0),
    m_pPixmapDisplay(NULL),
    m_pVisualInfo(NULL),
#endif
    m_bSiteLayoutComplete(FALSE),
    m_nFragmentTracks(0),
    m_dResizeXScale(1.0),
    m_dResizeYScale(1.0),
    m_pActiveTransitions(NULL),
    m_pActiveAnimations(NULL),
    m_pRegionMapIterator(NULL),
    m_pAnimationMap(NULL),
    m_pDelayedRendererCloseList(NULL),
    m_bSMILPresentationHasEnded(FALSE),
    m_pSMILDefaultNamespaceStr(NULL),
    m_pViewPortManager(NULL)
#ifdef XXXMEH_DO_VIEWPORT_TLC
    ,m_pViewPortSiteMap(NULL)
    ,m_bSMILViewportClose(FALSE)
#endif
    , m_pPlayerResumeStack(NULL)
#if defined(BE_SITE_SUPPLIER_20010205)
    , m_pIndependentPlayer(NULL)
    , m_pChildSiteInfoMap(NULL)
#endif /* BE_SITE_SUPPLIER_20010205 */
    , m_ulGroupIndex(0)
    , m_ulTrackIndex(0)
    , m_uGroupIndexWithin(0)
    , m_bSitesDetached(FALSE)
    , m_ulPersistentComponentID(0)
    , m_uPersistentGroupID(0)
    , m_uPersistentTrackID(0)
    , m_pPersistentProperties(NULL)
    , m_pPersistentParentRenderer(NULL)
    , m_pExternalMediaMarkerList(NULL)
    , m_bLayoutElementPresent(FALSE)
    , m_bEmptyLayout(FALSE)
    , m_bDoNotZoom(FALSE)
    , m_AnimationIterator(NULL)
    , m_pAnimSiteRedrawMap(NULL)
    , m_pAnimRegionRecomputeMap(NULL)
    , m_bAnimateRootLayout(FALSE)
    , m_pAnimTopLayoutMap(NULL)
    , m_usAnimBaseGroupIndex(0)
    , m_ulAnimDuration(0)
    , m_ulCurGroupDuration(0)
    , m_pSoundLevelMutex(NULL)
    , m_bCloseCalled(FALSE)
    , m_bRootLayoutSiteDetached(FALSE)
    , m_pHandlePendingSchedulingCallback(NULL)
    , m_pHyperlinkCallback(NULL)
    , m_pMediaID2RendererMap(NULL)
    , m_pMediaID2RendererSiteMap(NULL)
    , m_pMediaID2RendererSiteWatcherMap(NULL)
    , m_pEventSinkList(NULL)
    , m_ulPktnum(0)
    , m_usOldXPos(0)
    , m_usOldYPos(0)
{
    m_pContext = pContext;
    HX_ASSERT(m_pContext);
    if(m_pContext)
    {
	m_pContext->AddRef();
	
	HX_VERIFY(HXR_OK == m_pContext->
		  QueryInterface(IID_IHXSiteManager,(void**)&m_pSiteMgr));
	
	HX_VERIFY(HXR_OK == m_pContext->
		  QueryInterface(IID_IHXScheduler, (void**)&m_pScheduler));
	
	if (HXR_OK != m_pContext->QueryInterface(IID_IHXStatusMessage,
						 (void**)&m_pStatusMessage))
	{
	    // not an error, just a feature waiting to happen...
	    m_pStatusMessage = NULL;
	}
#if defined(HELIX_FEATURE_SMIL2_MULTIWINDOWLAYOUT)
        // QI for IHXViewPortManager
        m_pContext->QueryInterface(IID_IHXViewPortManager,
                                   (void**) &m_pViewPortManager);
        if (m_pViewPortManager)
        {
            // Add ourselves as a view port sink
            IHXViewPortSink* pSink = NULL;
            QueryInterface(IID_IHXViewPortSink, (void**) &pSink);
            if (pSink)
            {
                m_pViewPortManager->AddViewPortSink(pSink);
            }
            HX_RELEASE(pSink);
        }
#endif /* #if defined(HELIX_FEATURE_SMIL2_MULTIWINDOWLAYOUT) */
        // Add ourselves as a media marker sink
        // TRUE adds us, FALSE removes us
        addRemoveMediaMarkerSink(TRUE);
        // Add ourselves as an error sink
        addRemoveErrorSink(TRUE);
        // QI for IHXErrorMessages - ok if not implemented
        m_pContext->QueryInterface(IID_IHXErrorMessages,
                                   (void**) &m_pErrorMessages);
    }

#ifdef _WINDOWS
    m_hHyperlinkCursor = LoadCursor(g_hInstance,
        MAKEINTRESOURCE(IDC_HANDCURSOR));
#endif
#ifdef _MACINTOSH
    const short HAND_CURSOR  = 1313;
    m_pResourceLoader = CResourceLoader::CreateInstance(g_DLLFSpec);
    m_hHyperlinkCursor = (CursHandle)m_pResourceLoader->LoadResource('CURS', HAND_CURSOR);
#endif
    
#ifdef _DEBUG
    BOOL bShowDependencies = FALSE;
    ::getBooleanPreference(m_pContext,
                           "showdependencies",
                           bShowDependencies);
    if(bShowDependencies)
    {
	// mark file boundary
#ifdef _WINDOWS
        const char* pszDepFile = "\\smildep.txt";
#else
        const char* pszDepFile = "smildep.txt";
#endif
	FILE* fp = fopen(pszDepFile, "a");
	if(fp)
	{
    	    fprintf(fp, "===========================\n");
	    fclose(fp);
	}
    }
#endif
}

CSmilDocumentRenderer::~CSmilDocumentRenderer()
{
    HX_RELEASE(m_pSiteMgr);

    HX_DELETE(m_pRootLayout);