rpparser.cpp

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: rpparser.cpp,v 1.3.24.1 2004/07/09 01:54:51 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 ***** */

// include
#include "hxtypes.h"
#include "hxwintyp.h"
#include "hxcom.h"
#include "hxresult.h"
#include "hxcomm.h"
#include "ihxpckts.h"
#include "hxxml.h"
#include "hxxres.h"
#include "hxxrsmg.h"
#include "hxerror.h"

// hxmisc
#include "baseobj.h"
#include "unkimp.h"
#include "hxxmlprs.h"
#include "hxparse.h"

// hxcont
#include "hxbuffer.h"
#include "hxslist.h"
#include "hxmap.h"

// coreres
#include "pixres.h"

// pxcomlib
#include "pxrect.h"
#include "pxcolor.h"
#include "pxeffect.h"
#include "gstring.h"
#include "parseurl.h"
#include "rpfile.h"
#include "pxerror.h"
#include "rpparser.h"

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

#define BASE_VERSION      HX_ENCODE_PROD_VERSION(0, 0, 0, 0)
#define U2_VERSION        HX_ENCODE_PROD_VERSION(1, 1, 0, 0)
#define REDSTONE_VERSION  HX_ENCODE_PROD_VERSION(1, 1, 0, 0) // XXXMEH - for now, we keep it the same
#define OPACITY_VERSION   HX_ENCODE_PROD_VERSION(1, 4, 0, 0)

const UINT32 PXRealPixParser::m_ulHighestSupportedContentVersion = OPACITY_VERSION;

const PXRealPixParser::PXStringTable PXRealPixParser::m_pTagTable[] = 
{
    { kTagRoot,             "imfl"             },
    { kTagHead,             "head"             },
    { kTagImage,            "image"            },
    { kTagFill,             "fill"             },
    { kTagFadein,           "fadein"           },
    { kTagCrossfade,        "crossfade"        },
    { kTagFadeout,          "fadeout"          },
    { kTagWipe,             "wipe"             },
    { kTagAnimate,          "animate"          },
    { kTagViewchange,       "viewchange"       },
    { kTagEffect,           "effect"           },
    { kNumTags,             NULL               }
};

const PXRealPixParser::PXStringTable PXRealPixParser::m_pAttrTable[] =
{
    { kAttrWidth,             "width"            },
    { kAttrHeight,            "height"           },
    { kAttrBitrate,           "bitrate"          },
    { kAttrTimeformat,        "timeformat"       },
    { kAttrVersion,           "version"          },
    { kAttrTitle,             "title"            },
    { kAttrAuthor,            "author"           },
    { kAttrCopyright,         "copyright"        },
    { kAttrBackgroundcolor,   "background-color" },
    { kAttrBackgroundOpacity, "backgroundOpacity"},
    { kAttrStart,             "start"            },
    { kAttrPreroll,           "preroll"          },
    { kAttrAspect,            "aspect"           },
    { kAttrUrl,               "url"              },
    { kAttrMaxfps,            "maxfps"           },
    { kAttrDuration,          "duration"         },
    { kAttrHandle,            "handle"           },
    { kAttrName,              "name"             },
    { kAttrTarget,            "target"           },
    { kAttrSrcx,              "srcx"             },
    { kAttrSrcy,              "srcy"             },
    { kAttrSrcw,              "srcw"             },
    { kAttrSrch,              "srch"             },
    { kAttrDstx,              "dstx"             },
    { kAttrDsty,              "dsty"             },
    { kAttrDstw,              "dstw"             },
    { kAttrDsth,              "dsth"             },
    { kAttrColor,             "color"            },
    { kAttrDirection,         "direction"        },
    { kAttrType,              "type"             },
    { kAttrPackage,           "package"          },
    { kAttrData,              "data"             },
    { kAttrFile,              "file"             },
    { kAttrStartsrcx,         "startsrcx"        },
    { kAttrStartsrcy,         "startsrcy"        },
    { kAttrStartsrcw,         "startsrcw"        },
    { kAttrStartsrch,         "startsrch"        },
    { kAttrStartdstx,         "startdstx"        },
    { kAttrStartdsty,         "startdsty"        },
    { kAttrStartdstw,         "startdstw"        },
    { kAttrStartdsth,         "startdsth"        },
    { kAttrCenter,            "center"           },
    { kAttrSize,              "size"             },
    { kAttrMime,              "mime"             },
    { kNumAttr,               NULL               }
};

// This list will be used to initialize a data structure for
// legal attribute lookup. The pattern is:
//
// tag-id1, id1-attr1, id1-attr2, ..., kNumAttr
// tag-id2, id2-attr1, id2-attr2, ..., kNumAttr
// ...
// kNumTags
// 
//
// kNumAttr is a marker for the end of the list of attribute ids.
//
const BYTE PXRealPixParser::m_pAttrList[] =
{
    kTagRoot,       kNumAttr,
    kTagHead,       kAttrWidth, kAttrHeight, kAttrBitrate, kAttrTimeformat,
                    kAttrVersion, kAttrTitle, kAttrAuthor, kAttrCopyright,
                    kAttrBackgroundcolor, kAttrStart, kAttrPreroll, kAttrAspect,
                    kAttrUrl, kAttrMaxfps, kAttrDuration, kAttrCenter, kNumAttr,
    kTagImage,      kAttrHandle, kAttrName, kAttrSize, kAttrMime, kNumAttr,
    kTagFill,       kAttrStart, kAttrDstx, kAttrDsty, kAttrDstw, kAttrDsth,
                    kAttrUrl, kAttrMaxfps, kAttrColor, kNumAttr,
    kTagFadein,     kAttrStart, kAttrDuration, kAttrTarget, kAttrSrcx,
                    kAttrSrcy, kAttrSrcw, kAttrSrch, kAttrDstx, kAttrDsty,
                    kAttrDstw, kAttrDsth, kAttrUrl, kAttrMaxfps,
                    kAttrAspect, kAttrCenter, kAttrBackgroundcolor, kNumAttr,
    kTagCrossfade,  kAttrStart, kAttrDuration, kAttrTarget, kAttrSrcx,
                    kAttrSrcy, kAttrSrcw, kAttrSrch, kAttrDstx, kAttrDsty,
                    kAttrDstw, kAttrDsth, kAttrUrl, kAttrMaxfps,
                    kAttrAspect, kAttrCenter, kAttrBackgroundcolor, kNumAttr,
    kTagFadeout,    kAttrStart, kAttrDuration, kAttrDstx, kAttrDsty,
                    kAttrDstw, kAttrDsth, kAttrUrl, kAttrMaxfps,
                    kAttrColor, kNumAttr,
    kTagWipe,       kAttrStart, kAttrDuration, kAttrTarget, kAttrSrcx,
                    kAttrSrcy, kAttrSrcw, kAttrSrch, kAttrDstx, kAttrDsty,
                    kAttrDstw, kAttrDsth, kAttrUrl, kAttrMaxfps, kAttrAspect,
                    kAttrDirection, kAttrType, kAttrCenter, kAttrBackgroundcolor,
                    kNumAttr,
    kTagAnimate,    kAttrStart, kAttrDuration, kAttrTarget, kAttrSrcx,
                    kAttrSrcy, kAttrSrcw, kAttrSrch, kAttrDstx, kAttrDsty,
                    kAttrDstw, kAttrDsth, kAttrUrl, kAttrMaxfps,
                    kAttrAspect, kAttrCenter, kAttrBackgroundcolor, kNumAttr,
    kTagViewchange, kAttrStart, kAttrDuration, kAttrSrcx, kAttrSrcy, kAttrSrcw,
                    kAttrSrch, kAttrDstx, kAttrDsty, kAttrDstw, kAttrDsth,
                    kAttrUrl, kAttrMaxfps, kAttrStartsrcx, kAttrStartsrcy,
                    kAttrStartsrcw, kAttrStartsrch, kAttrStartdstx, kAttrStartdsty,
                    kAttrStartdstw, kAttrStartdsth, kAttrTarget, kAttrAspect, kNumAttr,
    kTagEffect,     kAttrStart, kAttrDuration, kAttrTarget, kAttrSrcx,
                    kAttrSrcy, kAttrSrcw, kAttrSrch, kAttrDstx, kAttrDsty,
                    kAttrDstw, kAttrDsth, kAttrUrl, kAttrMaxfps, kAttrAspect,
                    kAttrPackage, kAttrName, kAttrData,
                    kAttrFile, kNumAttr,
    kNumTags
};

// This list will be used to initialize a data structure for
// required attribute lookup. The pattern is:
//
// tag-id1, id1-attr1, id1-attr2, ..., kNumAttr
// tag-id2, id2-attr1, id2-attr2, ..., kNumAttr
// ...
// kNumTags
// 
//
// kNumAttr is a marker for the end of the list of attribute ids.
//
const BYTE PXRealPixParser::m_pRequiredAttrList[] =
{
    kTagRoot,       kNumAttr,
    kTagHead,       kAttrWidth, kAttrHeight, kAttrBitrate, kNumAttr,
    kTagImage,      kAttrHandle, kAttrName, kNumAttr,
    kTagFill,       kAttrStart, kAttrColor, kNumAttr,
    kTagFadein,     kAttrStart, kAttrDuration, kAttrTarget, kNumAttr,
    kTagCrossfade,  kAttrStart, kAttrDuration, kAttrTarget, kNumAttr,
    kTagFadeout,    kAttrStart, kAttrDuration, kNumAttr,
    kTagWipe,       kAttrStart, kAttrDuration, kAttrTarget, kNumAttr,
    kTagAnimate,    kAttrStart, kAttrDuration, kAttrTarget, kNumAttr,
    kTagViewchange, kAttrStart, kAttrDuration, kNumAttr,
    kTagEffect,     kAttrStart, kAttrDuration, kAttrTarget, kAttrPackage, kAttrName, kNumAttr,
    kNumTags
};

BEGIN_INTERFACE_LIST(PXRealPixParser)
    INTERFACE_LIST_ENTRY(IID_IHXXMLParserResponse, IHXXMLParserResponse)
END_INTERFACE_LIST

PXRealPixParser::PXRealPixParser()
{
    m_pContext            = NULL;
    m_pCommonClassFactory = NULL;
    m_pParser             = NULL;
    m_pRealPixFile        = NULL;
    m_pErrorText          = NULL;
    m_pLegalAttrLUT       = NULL;
    m_pTagToIDMap         = NULL;
    m_pAttrToIDMap        = NULL;
    m_bRealPixError       = FALSE;
    m_pByteListCursor     = NULL;
    m_ulState             = kStateConstructed;
    m_pLastEffect         = NULL;
    m_bVersionSpecified   = FALSE;
    m_ulStrictnessLevel   = REALPIX_STRICTNESS_LOW;
}

PXRealPixParser::~PXRealPixParser()
{
    HX_RELEASE(m_pContext);
    HX_RELEASE(m_pCommonClassFactory);
    HX_RELEASE(m_pParser);
    HX_RELEASE(m_pRealPixFile);
    HX_RELEASE(m_pErrorText);
    HX_RELEASE(m_pLegalAttrLUT);
    HX_DELETE(m_pTagToIDMap);
    HX_DELETE(m_pAttrToIDMap);
    HX_RELEASE(m_pLastEffect);
}

STDMETHODIMP PXRealPixParser::Init(IUnknown*      pContext,
                                   PXRealPixFile* pRealPixFile,
                                   UINT32         ulStrictnessLevel)
{
    HX_RESULT retVal = HXR_OK;

    if (pContext && pRealPixFile)
    {
        // Init members
        HX_RELEASE(m_pContext);
        m_pContext = pContext;
        m_pContext->AddRef();
        HX_RELEASE(m_pRealPixFile);
        m_pRealPixFile = pRealPixFile;
        m_pRealPixFile->AddRef();
        if (ulStrictnessLevel == REALPIX_STRICTNESS_LOW    ||
            ulStrictnessLevel == REALPIX_STRICTNESS_MEDIUM ||
            ulStrictnessLevel == REALPIX_STRICTNESS_HIGH)
        {
            m_ulStrictnessLevel = ulStrictnessLevel;
        }
        else
        {
            m_ulStrictnessLevel = REALPIX_STRICTNESS_LOW;
        }

        // Get an IHXXMLParser interface
        HX_RELEASE(m_pCommonClassFactory);
        retVal = m_pContext->QueryInterface(IID_IHXCommonClassFactory,
                                            (void**) &m_pCommonClassFactory);
        if (SUCCEEDED(retVal))
        {
            BOOL bAllowBadComments = (m_ulStrictnessLevel >= REALPIX_STRICTNESS_MEDIUM ? FALSE : TRUE);
            HXXMLParser* pParser = NULL;
            pParser = new HXXMLParser(bAllowBadComments);
            if (pParser)
            {
                pParser->AddRef();
                HX_RELEASE(m_pParser);
                retVal = pParser->QueryInterface(IID_IHXXMLParser, (void**) &m_pParser);
                if (SUCCEEDED(retVal))
                {
                    BOOL bXMLStrictness = (m_ulStrictnessLevel >= REALPIX_STRICTNESS_MEDIUM ? TRUE : FALSE);