AVIFileReadData
The AVIFileReadData
function reads optional header data that applies to the entire file, such as
author or copyright information.
STDAPI AVIFileReadData(
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PAVIFILE pfile, |
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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
pfile
Handle of an
open AVI file.
ckid
RIFF chunk
identifier (four-character code) of the data.
lpData
Address of
the buffer used to return the data read.
lpcbData
Address of a
location indicating the size of the memory block referenced by lpData.
If the data is read successfully, the value is changed to indicate the amount
of data read.
Return Values
Returns zero
if successful or an error otherwise. The return value AVIERR_NODATA indicates
that data with the requested chunk identifier does not exist.
Remarks
The optional
header information is custom and does not have a set format.