effect.cpp

linux下的一款播放器

    ulCurPos += InitFromBinaryType(pBuffer + ulCurPos, m_ulTarget);
    ulCurPos += m_cSrcRect.InitFromBinary(pBuffer + ulCurPos);
    ulCurPos += m_cDstRect.InitFromBinary(pBuffer + ulCurPos);
    ulCurPos += InitFromBinaryType(pBuffer + ulCurPos, m_bAspectFlag);

    return ulCurPos;
}

void CIMFWipeEffect::RenderText(GString &rText)
{
    rText += CIMFFileObject::m_pszTagStart;
    rText += CIMFFileObject::m_pszWipeTag;
    rText += " ";
    CIMFFileObject::RenderAttribute(m_pszStart,    m_ulStart,     rText);
    CIMFFileObject::RenderAttribute(m_pszDuration, m_ulDuration,  rText);
    CIMFFileObject::RenderAttribute(m_pszTarget,   m_ulTarget,    rText);
    // Render direction
    rText += m_pszWipeDirection;
    rText += "=";
    switch (m_ulDirection)
    {
        case kDirectionUp:
            rText += m_pszWipeDirectionUp;
            break;
        case kDirectionDown:
            rText += m_pszWipeDirectionDown;
            break;
        case kDirectionLeft:
            rText += m_pszWipeDirectionLeft;
            break;
        case kDirectionRight:
            rText += m_pszWipeDirectionRight;
            break;
    }
    rText += " ";
    // Render type
    rText += m_pszWipeType;
    rText += "=";
    switch (m_ulType)
    {
        case kTypeNormal:
            rText += m_pszWipeTypeNormal;
            break;
        case kTypePush:
            rText += m_pszWipeTypePush;
            break;
    }
    rText += " ";
    m_cSrcRect.RenderText(rText);
    m_cDstRect.RenderText(rText);
    if (m_bAspectFlag != m_bAspectDefault)
    {
        CIMFFileObject::RenderAttribute(m_pszAspect, m_bAspectFlag, rText);
    }
    if (m_cURL.length() > 0)
    {
        CIMFFileObject::RenderAttribute(m_pszURL, m_cURL, rText);
    }
    rText += CIMFFileObject::m_pszTagEnd;
}

BOOL CIMFWipeEffect::InitFromText(GString &rText)
{
    // These are required attributes
    // Get the start time
    HX_RESULT retVal = CIMFFileObject::SetAttributeTimeValue(rText,
                                                             m_pszStart,
                                                             m_pFileObject->GetTimeFormat(),
                                                             m_ulStart);
    if (retVal != HXR_OK)
    {
        if (retVal == HXR_PROP_NOT_FOUND)
        {
            m_cErrorMessage = "Missing start attribute in ";
        }
        else
        {
            m_cErrorMessage = "Invalid time formatting in ";

        }
        m_cErrorMessage += rText;

        return FALSE;
    }
    // Get the duration
    retVal = CIMFFileObject::SetAttributeTimeValue(rText,
                                                   m_pszDuration,
                                                   m_pFileObject->GetTimeFormat(),
                                                   m_ulDuration);
    if (retVal != HXR_OK)
    {
        if (retVal == HXR_PROP_NOT_FOUND)
        {
            m_cErrorMessage = "Missing duration attribute in ";
        }
        else
        {
            m_cErrorMessage = "Invalid time formatting in ";

        }
        m_cErrorMessage += rText;

        return FALSE;
    }
//    if (!CIMFFileObject::SetAttributeValue(rText, m_pszStart,    m_ulStart))    return FALSE;
//    if (!CIMFFileObject::SetAttributeValue(rText, m_pszDuration, m_ulDuration)) return FALSE;
    if (!CIMFFileObject::SetAttributeValue(rText, m_pszTarget,   m_ulTarget))   return FALSE;

    // The following are optional attributes
    GString cTmpStr;
    CIMFFileObject::SetAttributeValue(rText, m_pszMaxFps, m_ulMaxFps);
    // Initialize the direction attribute
    if (CIMFFileObject::GetAttributeSubstring(rText, m_pszWipeDirection, cTmpStr))
    {
        if      (cTmpStr == m_pszWipeDirectionUp)    m_ulDirection = kDirectionUp;
        else if (cTmpStr == m_pszWipeDirectionDown)  m_ulDirection = kDirectionDown;
        else if (cTmpStr == m_pszWipeDirectionLeft)  m_ulDirection = kDirectionLeft;
        else if (cTmpStr == m_pszWipeDirectionRight) m_ulDirection = kDirectionRight;
    }
    // Initialize the type attribute
    if (CIMFFileObject::GetAttributeSubstring(rText, m_pszWipeType, cTmpStr))
    {
        if      (cTmpStr == m_pszWipeTypeNormal) m_ulType = kTypeNormal;
        else if (cTmpStr == m_pszWipeTypePush)   m_ulType = kTypePush;
    }
    m_cSrcRect.InitFromText(rText);
    m_cDstRect.InitFromText(rText);
    if (!CIMFFileObject::SetAttributeValueBOOL(rText, m_pszAspect, m_bAspectFlag))
    {
        m_bAspectFlag = m_bAspectDefault;
    }
    CIMFFileObject::SetAttributeValue(rText, m_pszURL, m_cURL);

    return TRUE;
}

void CIMFWipeEffect::RenderToolData(IMFEFFECT& imfEffect)
{
    imfEffect.m_ulBinSize        = GetBinaryLength();
    imfEffect.m_ulMaxFps         = GetMaxFps();
    imfEffect.m_ulStart          = GetStart();
    imfEffect.m_ulDuration       = GetDuration();
    imfEffect.m_ulDirection      = GetDirection();
    imfEffect.m_bAspect          = GetAspectFlag();
    imfEffect.m_bDefaultAspect   = GetAspectDefault();
    imfEffect.m_ulTarget         = GetTargetImageHandle();
    imfEffect.m_ulType           = GetType();

    imfEffect.m_nSrc_x           = m_cSrcRect.GetX();
    imfEffect.m_nSrc_y           = m_cSrcRect.GetY();
    imfEffect.m_nSrc_W           = m_cSrcRect.GetWidth();
    imfEffect.m_nSrc_H           = m_cSrcRect.GetHeight();
    imfEffect.m_nDest_x          = m_cDstRect.GetX();
    imfEffect.m_nDest_y          = m_cDstRect.GetY();
    imfEffect.m_nDest_W          = m_cDstRect.GetWidth();
    imfEffect.m_nDest_H          = m_cDstRect.GetHeight();
    if (m_cURL.length() > 0)
        SafeStrCpy(imfEffect.m_cURL, GetURL().c_str(), 256);
    
}

BOOL  CIMFWipeEffect::InitFromToolData(IMFEFFECT imfEffect)
{
    SetStart(imfEffect.m_ulStart);
    SetDefaultMaxFps(imfEffect.m_ulMaxFps);
    SetDuration(imfEffect.m_ulDuration);   
    SetAspectFlag(imfEffect.m_bAspect);
    SetAspectDefault(imfEffect.m_bDefaultAspect);
    SetTargetImageHandle(imfEffect.m_ulTarget);   
    SetURL(imfEffect.m_cURL);

    m_cSrcRect.SetX(imfEffect.m_nSrc_x);
    m_cSrcRect.SetY(imfEffect.m_nSrc_y);
    m_cSrcRect.SetWidth(imfEffect.m_nSrc_W);
    m_cSrcRect.SetHeight(imfEffect.m_nSrc_H);
    m_cDstRect.SetX(imfEffect.m_nDest_x);
    m_cDstRect.SetY(imfEffect.m_nDest_y);
    m_cDstRect.SetWidth(imfEffect.m_nDest_W);
    m_cDstRect.SetHeight(imfEffect.m_nDest_H);
    return TRUE;    
}
/////////////////////////////////////////////////////////////////////////////////////////////////

/////////////////////////////////////////////////////////////////////////////////////////////////
ULONG32 CIMFViewchangeEffect::GetBinaryLength()
{
    return 46 + 4 + m_cURL.length();
}

ULONG32 CIMFViewchangeEffect::RenderBinary(unsigned char *pBuffer)
{
    ULONG32 ulCurPos = 0;

    ulCurPos += RenderBinaryType(pBuffer + ulCurPos, (ULONG32) kTypeViewChange);
    ulCurPos += RenderBinaryType(pBuffer + ulCurPos, m_ulStart);
	ulCurPos += RenderBinaryType(pBuffer + ulCurPos, m_ulMaxFps);
    ulCurPos += RenderBinaryType(pBuffer + ulCurPos, m_cURL);
    ulCurPos += RenderBinaryType(pBuffer + ulCurPos, m_ulDuration);
    ulCurPos += m_cSrcRect.RenderBinary(pBuffer + ulCurPos);
    ulCurPos += m_cDstRect.RenderBinary(pBuffer + ulCurPos);

    return ulCurPos;
}

ULONG32 CIMFViewchangeEffect::InitFromBinary(unsigned char *pBuffer)
{
    ULONG32 ulCurPos = 0;
    ULONG32 ulTmp;

    ulCurPos += InitFromBinaryType(pBuffer + ulCurPos, ulTmp); // This is the type
    ulCurPos += InitFromBinaryType(pBuffer + ulCurPos, m_ulStart);
	ulCurPos += InitFromBinaryType(pBuffer + ulCurPos, m_ulMaxFps);
    ulCurPos += InitFromBinaryType(pBuffer + ulCurPos, m_cURL);
    ulCurPos += InitFromBinaryType(pBuffer + ulCurPos, m_ulDuration);
    ulCurPos += m_cSrcRect.InitFromBinary(pBuffer + ulCurPos);
    ulCurPos += m_cDstRect.InitFromBinary(pBuffer + ulCurPos);

    return ulCurPos;
}

void CIMFViewchangeEffect::RenderText(GString &rText)
{
    rText += CIMFFileObject::m_pszTagStart;
    rText += CIMFFileObject::m_pszViewchangeTag;
    rText += " ";
    CIMFFileObject::RenderAttribute(m_pszStart,    m_ulStart,     rText);
    CIMFFileObject::RenderAttribute(m_pszDuration, m_ulDuration,  rText);
    m_cSrcRect.RenderText(rText);
    m_cDstRect.RenderText(rText);
    if (m_cURL.length() > 0)
    {
        CIMFFileObject::RenderAttribute(m_pszURL, m_cURL, rText);
    }
    rText += CIMFFileObject::m_pszTagEnd;
}

BOOL CIMFViewchangeEffect::InitFromText(GString &rText)
{
    // These are required attributes
    // Get the start time
    HX_RESULT retVal = CIMFFileObject::SetAttributeTimeValue(rText,
                                                             m_pszStart,
                                                             m_pFileObject->GetTimeFormat(),
                                                             m_ulStart);
    if (retVal != HXR_OK)
    {
        if (retVal == HXR_PROP_NOT_FOUND)
        {
            m_cErrorMessage = "Missing start attribute in ";
        }
        else
        {
            m_cErrorMessage = "Invalid time formatting in ";

        }
        m_cErrorMessage += rText;

        return FALSE;
    }
    // Get the duration
    retVal = CIMFFileObject::SetAttributeTimeValue(rText,
                                                   m_pszDuration,
                                                   m_pFileObject->GetTimeFormat(),
                                                   m_ulDuration);
    if (retVal != HXR_OK)
    {
        if (retVal == HXR_PROP_NOT_FOUND)
        {
            m_cErrorMessage = "Missing duration attribute in ";
        }
        else
        {
            m_cErrorMessage = "Invalid time formatting in ";

        }
        m_cErrorMessage += rText;

        return FALSE;
    }
//    if (!CIMFFileObject::SetAttributeValue(rText, m_pszStart,    m_ulStart))    return FALSE;
//    if (!CIMFFileObject::SetAttributeValue(rText, m_pszDuration, m_ulDuration)) return FALSE;

    // These are optional attributes
    m_cSrcRect.InitFromText(rText);
    m_cDstRect.InitFromText(rText);
    CIMFFileObject::SetAttributeValue(rText, m_pszURL, m_cURL);
	CIMFFileObject::SetAttributeValue(rText, m_pszMaxFps, m_ulMaxFps);

    return TRUE;
}

void CIMFViewchangeEffect::RenderToolData(IMFEFFECT& imfEffect)
{
    imfEffect.m_ulBinSize        = GetBinaryLength();
    imfEffect.m_ulMaxFps         = GetMaxFps();
    imfEffect.m_ulStart          = GetStart();
    imfEffect.m_ulDuration       = GetDuration();
    imfEffect.m_bAspect          = GetAspectFlag();
    imfEffect.m_bDefaultAspect   = GetAspectDefault();
    imfEffect.m_ulTarget         = GetTargetImageHandle();
    imfEffect.m_ulType           = GetType();

    imfEffect.m_nSrc_x           = m_cSrcRect.GetX();
    imfEffect.m_nSrc_y           = m_cSrcRect.GetY();
    imfEffect.m_nSrc_W           = m_cSrcRect.GetWidth();
    imfEffect.m_nSrc_H           = m_cSrcRect.GetHeight();
    imfEffect.m_nDest_x          = m_cDstRect.GetX();
    imfEffect.m_nDest_y          = m_cDstRect.GetY();
    imfEffect.m_nDest_W          = m_cDstRect.GetWidth();
    imfEffect.m_nDest_H          = m_cDstRect.GetHeight();
    if (m_cURL.length() > 0)
        SafeStrCpy(imfEffect.m_cURL, GetURL().c_str(), 256);
    
}

BOOL CIMFViewchangeEffect::InitFromToolData(IMFEFFECT imfEffect)
{
    SetStart(imfEffect.m_ulStart);
    SetDefaultMaxFps(imfEffect.m_ulMaxFps);
    SetDuration(imfEffect.m_ulDuration);   
    SetAspectFlag(imfEffect.m_bAspect);
    SetAspectDefault(imfEffect.m_bDefaultAspect);
    SetTargetImageHandle(imfEffect.m_ulTarget);
    SetURL(imfEffect.m_cURL);
    m_cSrcRect.SetX(imfEffect.m_nSrc_x);
    m_cSrcRect.SetY(imfEffect.m_nSrc_y);
    m_cSrcRect.SetWidth(imfEffect.m_nSrc_W);
    m_cSrcRect.SetHeight(imfEffect.m_nSrc_H);
    m_cDstRect.SetX(imfEffect.m_nDest_x);
    m_cDstRect.SetY(imfEffect.m_nDest_y);
    m_cDstRect.SetWidth(imfEffect.m_nDest_W);
    m_cDstRect.SetHeight(imfEffect.m_nDest_H);
    return TRUE;    
    
}
/////////////////////////////////////////////////////////////////////////////////////////////////

/////////////////////////////////////////////////////////////////////////////////////////////////
ULONG32 CIMFExternalEffect::GetBinaryLength()
{
    return 62 + 4 +
		        m_cURL.length()     +
                m_cPackage.length() +
                m_cName.length()    +
                m_cData.length()    +
                m_cFile.length();
}

ULONG32 CIMFExternalEffect::RenderBinary(unsigned char *pBuffer)
{
    ULONG32 ulCurPos = 0;

    ulCurPos += RenderBinaryType(pBuffer + ulCurPos, (ULONG32) kTypeExternal);
    ulCurPos += RenderBinaryType(pBuffer + ulCurPos, m_ulStart);
	ulCurPos += RenderBinaryType(pBuffer + ulCurPos, m_ulMaxFps);
    ulCurPos += RenderBinaryType(pBuffer + ulCurPos, m_cURL);
    ulCurPos += RenderBinaryType(pBuffer + ulCurPos, m_ulDuration);
    ulCurPos += RenderBinaryType(pBuffer + ulCurPos, m_ulTarget);
    ulCurPos += m_cSrcRect.RenderBinary(pBuffer + ulCurPos);
    ulCurPos += m_cDstRect.RenderBinary(pBuffer + ulCurPos);
    ulCurPos += RenderBinaryType(pBuffer + ulCurPos, m_bAspectFlag);
    ulCurPos += RenderBinaryType(pBuffer + ulCurPos, m_cPackage);
    ulCurPos += RenderBinaryType(pBuffer + ulCurPos, m_cName);
    ulCurPos += RenderBinaryType(pBuffer + ulCurPos, m_cData);
    ulCurPos += RenderBinaryType(pBuffer + ulCurPos, m_cFile);

    return ulCurPos;
}

ULONG32 CIMFExternalEffect::InitFromBinary(unsigned char *pBuffer)
{
    ULONG32 ulCurPos = 0;
    ULONG32 ulTmp;

    ulCurPos += InitFromBinaryType(pBuffer + ulCurPos, ulTmp); // This is the type
    ulCurPos += InitFromBinaryType(pBuffer + ulCurPos, m_ulStart);
	ulCurPos += InitFromBinaryType(pBuffer + ulCurPos, m_ulMaxFps);
    ulCurPos += InitFromBinaryType(pBuffer + ulCurPos, m_cURL);
    ulCurPos += InitFromBinaryType(pBuffer + ulCurPos, m_ulDuration);
    ulCurPos += InitFromBinaryType(pBuffer + ulCurPos, m_ulTarget);
    ulCurPos += m_cSrcRect.InitFromBinary(pBuffer + ulCurPos);
    ulCurPos += m_cDstRect.InitFromBinary(pBuffer + ulCurPos);
    ulCurPos += InitFromBinaryType(pBuffer + ulCurPos, m_bAspectFlag);