Florian Heidenreich
Guest
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 Posted:
Tue Dec 27, 2005 1:30 pm Post subject:
Adding WM_PICTURE via IWMHeaderInfo3::AddAttribute fails |
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Hello!
I'm trying to add a WM_PICTURE attribute via
IWMHeaderInfo3::AddAttribute
and it fails randomly with E_POINTER.
When I take 5 files to add cover art, it works sometimes works for 3,
sometimes for all, sometimes for no file.
This is what I'm doing:
extern IWMHeaderInfo3* pHeaderInfo
extern BYTE* pCoverData;
extern unsigned coverSize;
WORD dataIdx = 0;
HRESULT hr = S_OK;
WM_PICTURE* pWMCover = new WM_PICTURE();
pWMCover->bPictureType = 0;
pWMCover->dwDataLen = coverSize;
pWMCover->pbData = new BYTE[coverSize];
::memcpy(pWMCover->pbData, pCoverData, coverSize);
pWMCover->pwszDescription = ::_tcsdup(_T("Test"));
pWMCover->pwszMIMEType = ::_tcsdup(_T("Test"));
unsigned attrSize = pWMCover->dwDataLen;
attrSize += ::_tcslen(pWMCover->pwszDescription) + 1) * sizeof(WCHAR);
attrSize += ::_tcslen(pWMCover->pwszMIMEType) + 1 ) * sizeof(WCHAR);
attrSize += sizeof(WM_PICTURE);
hr = pHeaderInfo->AddAttribute(0x0,
g_wszWMPicture, &dataIdx, WMT_TYPE_BINARY, 0,
reinterpret_cast<BYTE*>(pWMCover), attrSize);
The pointer pCoverData and the corresponding coverSize are valid, btw.
Can anyone point me to the right direction?
Thank you!
Best regards,
~ Florian Heidenreich
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