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The AVIStreamDataSize macro determines the buffer size, in bytes, needed to retrieve optional header data for a specified stream.
Syntax
HRESULT AVIStreamDataSize(
pavi,
fcc,
plSize
);
Parameters
pavi
Handle to an open stream.
fcc
Four-character code specifying the stream type.
plSize
Address to contain the buffer size for the optional header data.
Return value
Type: HRESULT
Returns zero if successful or an error otherwise. The return value AVIERR_NODATA indicates the system could not find any data with the specified four-character code.
Remarks
The AVIStreamDataSize macro is defined as follows:
#define AVIStreamDataSize(pavi, fcc, plSize) \
AVIStreamReadData(pavi, fcc, NULL, plSize)
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | vfw.h |