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ICM_DECOMPRESS_GET_FORMAT
The ICM_DECOMPRESS_GET_FORMAT message requests the output format of the
decompressed data from a video decompression driver. You can send this message
explicitly or by using the ICDecompressGetFormat macro.
ICM_DECOMPRESS_GET_FORMAT
wParam = (DWORD) (LPVOID) lpbiInput;
lParam = (DWORD) (LPVOID) lpbiOutput;
Parameters
lpbiInput
Address of a BITMAPINFO structure containing the input format.
lpbiOutput
Address of a BITMAPINFO structure to contain the output format. You can specify zero to request only
the size of the output format, as in the ICDecompressGetFormatSize macro.
Return Values
If lpbiOutput is zero, returns the size of the structure.
If lpbiOutput is nonzero, returns ICERR_OK if successful or an error otherwise.
Remarks
If lpbiOutput is nonzero, the driver should fill the BITMAPINFO structure with the default output format corresponding to the input format
specified for lpbiInput. If the compressor can produce several formats, the default format should be
the one that preserves the greatest amount of information.
See Also
BITMAPINFO, ICDecompressGetFormat, ICDecompressGetFormatSize
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