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AVIStreamReadData
The AVIStreamReadData function reads optional header data from a stream.
STDAPI AVIStreamReadData(
PAVISTREAM pavi,
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| DWORD ckid,
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| LPVOID lpData,
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| LONG * lpcbData
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| );
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Parameters
pavi
Handle of an open stream.
ckid
Four-character code identifying the data.
lpData
Address of the buffer to contain the optional header data.
lpcbData
Address of the location that specifies the buffer size used for lpData. If the read is successful, AVIFile changes this value to indicate the amount
of data written into the buffer for lpData.
Return Values
Returns zero if successful or an error otherwise. The return value
AVIERR_NODATA indicates the system could not find any data with the specified chunk
identifier.
Remarks
This function retrieves only optional header information from the stream. This
information is custom and does not have a set format.
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