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ICCompressGetSize
The ICCompressGetSize macro requests that the video compression driver supply the maximum size of
one frame of data when compressed into the specified output format. You can use
this macro or explicitly call the ICM_COMPRESS_GET_SIZE message.
DWORD ICCompressGetSize(
hic,
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| lpbiInput,
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| lpbiOutput
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| );
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Parameters
hic
Handle of a compressor.
lpbiInput
Address of a BITMAPINFO structure containing the input format.
lpbiOutput
Address of a BITMAPINFO structure containing the output format.
Return Values
Returns the maximum number of bytes a single compressed frame can occupy.
Remarks
Typically, applications send this message to determine how large a buffer to
allocate for the compressed frame.
The driver should calculate the size of the largest possible frame based on
the input and output formats.
See Also
BITMAPINFO, ICM_COMPRESS_GET_SIZE
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