rpfile.cpp

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: rpfile.cpp,v 1.1.26.1 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 "ihxpckts.h"

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

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

// pxcomlib
#include "pxrect.h"
#include "pxcolor.h"
#include "pxeffect.h"
#include "rpfile.h"

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

BEGIN_INTERFACE_LIST(PXRealPixFile)
END_INTERFACE_LIST


PXRealPixFile::PXRealPixFile()
{
    m_pTitleStr           = NULL;
    m_pAuthorStr          = NULL;
    m_pCopyrightStr       = NULL;
    m_ulStart             = 0;
    m_ulDuration          = 0;
    m_ulPreroll           = 0;
    m_ulBitrate           = 0;
    m_ulWidth             = 0;
    m_ulHeight            = 0;
    m_ulTimeFormat        = kTimeFormatMilliseconds;
    m_ulBackgroundColor   = 0; // in 0x00RRGGBB format
    m_ulBackgroundOpacity = 255;
    m_ulDefaultMaxFps     = 0;
    m_bDefaultAspectFlag  = TRUE;
    m_bDefaultCenterFlag  = FALSE;
    m_pDefaultURLStr      = NULL;
    m_ulContentVersion    = HX_ENCODE_PROD_VERSION(0, 0, 0, 0);
    m_pImageMap           = NULL;
    m_pEffectsList        = NULL;
    m_pFileNameStr        = NULL;
}

PXRealPixFile::~PXRealPixFile()
{
    HX_RELEASE(m_pTitleStr);
    HX_RELEASE(m_pAuthorStr);
    HX_RELEASE(m_pCopyrightStr);
    HX_RELEASE(m_pDefaultURLStr);
    ClearImageMap();
    ClearEffectsList();
    HX_DELETE(m_pImageMap);
    HX_DELETE(m_pEffectsList);
    HX_RELEASE(m_pFileNameStr);
}

void PXRealPixFile::ClearImageMap()
{
    if (m_pImageMap)
    {
        // Run through the map, deleting all image objects
        POSITION pos = m_pImageMap->GetStartPosition();
        while (pos)
        {
            // Get the object pointer at the current position
            // and advance to the next position
            LONG32 lKey     = 0;
            void*  pElement = NULL;
            m_pImageMap->GetNextAssoc(pos, lKey, pElement);

            // Release the object
            PXImageInfo* pInfo = (PXImageInfo*) pElement;
            HX_DELETE(pInfo);
        }
        // Clear the map
        m_pImageMap->RemoveAll();
    }
}

void PXRealPixFile::ClearEffectsList()
{
    if (m_pEffectsList)
    {
        LISTPOSITION pos = m_pEffectsList->GetHeadPosition();
        while (pos)
        {
            PXEffect* pEffect = (PXEffect*) m_pEffectsList->GetNext(pos);
            HX_RELEASE(pEffect);
        }
        m_pEffectsList->RemoveAll();
    }
}

HX_RESULT PXRealPixFile::AddImage(UINT32 ulHandle, const char* pszName)
{
    HX_RESULT retVal = HXR_OK;

    IHXBuffer* pTmp = NULL;
    retVal           = SetString(pszName, &pTmp);
    if (SUCCEEDED(retVal))
    {
        retVal = AddImage(ulHandle, pTmp);
    }
    HX_RELEASE(pTmp);

    return retVal;
}

HX_RESULT PXRealPixFile::AddImage(UINT32 ulHandle, IHXBuffer* pName)
{
    HX_RESULT retVal = HXR_OK;

    if (ulHandle && pName)
    {
        if (!m_pImageMap)
        {
            m_pImageMap = new CHXMapLongToObj();
            if (!m_pImageMap)
            {
                retVal = HXR_OUTOFMEMORY;
            }
        }

        if (SUCCEEDED(retVal))
        {
            // Create a PXImageInfo object
            PXImageInfo* pInfo = new PXImageInfo;
            if (pInfo)
            {
                // Set the handle
                pInfo->m_ulHandle = ulHandle;
                // Set the string
                pInfo->m_pNameStr = pName;
                pInfo->m_pNameStr->AddRef();

                // Check if there is already an entry in the map
                void* pVoid    = NULL;
                BOOL  bPresent = m_pImageMap->Lookup((LONG32) ulHandle, pVoid);
                if (bPresent)
                {
                    retVal = HXR_FAIL;
                }
                else
                {
                    // Put the entry into the map
                    m_pImageMap->SetAt((LONG32) ulHandle, (void*) pInfo);
                }
            }
            else
            {
                retVal = HXR_OUTOFMEMORY;
            }

            if (FAILED(retVal))
            {
                HX_DELETE(pInfo);
            }
        }
    }
    else
    {
        retVal = HXR_INVALID_PARAMETER;
    }

    return retVal;
}

UINT32 PXRealPixFile::GetNumImages() const
{
    UINT32 ulRet = 0;

    if (m_pImageMap)
    {
        ulRet = m_pImageMap->GetCount();
    }

    return ulRet;
}

UINT32 PXRealPixFile::GetNumImagesWithNoSize() const
{
    UINT32 ulRet = 0;

    if (m_pImageMap)
    {
        POSITION pos = m_pImageMap->GetStartPosition();
        while (pos)
        {
            // Get the object pointer at the current position
            // and advance to the next position
            LONG32 lKey     = 0;
            void*  pElement = NULL;
            m_pImageMap->GetNextAssoc(pos, lKey, pElement);

            // Check the PXImageInfo object
            if (pElement)
            {
                PXImageInfo* pInfo = (PXImageInfo*) pElement;
                if (pInfo->m_lErrorStatus != HXR_OK)
                {
                    ulRet++;
                }
            }
        }
    }

    return ulRet;
}

HX_RESULT PXRealPixFile::GetImageIterator(REF(void*) rpIterator)
{
    HX_RESULT retVal = HXR_OK;

    if (m_pImageMap)
    {
        POSITION pos = m_pImageMap->GetStartPosition();
        if (pos)
        {
            rpIterator = pos;
        }
        else
        {
            retVal = HXR_FAIL;
        }
    }
    else
    {
        retVal = HXR_NOT_INITIALIZED;
    }

    return retVal;
}

HX_RESULT PXRealPixFile::GetNextImageHandle(REF(void*) rpIterator, REF(UINT32) rulHandle)
{
    HX_RESULT retVal = HXR_OK;

    if (m_pImageMap)
    {
        if (rpIterator)
        {
            // Get the object pointer at the current position
            // and advance to the next position
            LONG32 lKey     = 0;
            void*  pElement = NULL;
            m_pImageMap->GetNextAssoc(rpIterator, lKey, pElement);

            // The handle *is* the key
            rulHandle = (UINT32) lKey;
        }
        else
        {
            retVal = HXR_FAIL;
        }
    }
    else
    {
        retVal = HXR_NOT_INITIALIZED;
    }

    return retVal;
}

BOOL PXRealPixFile::IsImagePresent(UINT32 ulHandle)
{
    BOOL bPresent = FALSE;

    if (m_pImageMap)
    {
        void* pVoid = NULL;
        bPresent    = m_pImageMap->Lookup((LONG32) ulHandle, pVoid);
    }

    return bPresent;
}

HX_RESULT PXRealPixFile::GetImageName(UINT32 ulHandle, REF(IHXBuffer*) rpNameStr)
{
    PXImageInfo* pInfo  = NULL;
    HX_RESULT    retVal = GetImageInfo(ulHandle, pInfo);
    if (SUCCEEDED(retVal))
    {
        if (pInfo->m_pNameStr)
        {
            HX_RELEASE(rpNameStr);
            rpNameStr = pInfo->m_pNameStr;
            rpNameStr->AddRef();
        }
        else
        {
            retVal = HXR_FAIL;
        }
    }

    return retVal;
}

HX_RESULT PXRealPixFile::GetImageName(UINT32 ulHandle, REF(const char*) rpszName)
{
    PXImageInfo* pInfo  = NULL;
    HX_RESULT    retVal = GetImageInfo(ulHandle, pInfo);
    if (SUCCEEDED(retVal))
    {
        rpszName = (const char*) (pInfo->m_pNameStr ? pInfo->m_pNameStr->GetBuffer() : NULL);
    }
    return retVal;
}

const char* PXRealPixFile::GetImageName(UINT32 ulHandle)
{
    const char* pszName = NULL;
    GetImageName(ulHandle, pszName);
    return pszName;
}

HX_RESULT PXRealPixFile::SetImageName(UINT32 ulHandle, IHXBuffer* pNameStr)
{
    PXImageInfo* pInfo  = NULL;
    HX_RESULT    retVal = GetImageInfo(ulHandle, pInfo);
    if (SUCCEEDED(retVal))
    {
        HX_RELEASE(pInfo->m_pNameStr);
        retVal = SetString(pNameStr, &pInfo->m_pNameStr);
    }
    return retVal;
}