ICM_DECOMPRESS message
The ICM_DECOMPRESS message notifies a video decompression driver to decompress a frame of data into an application-defined buffer.
ICM_DECOMPRESS
wParam = (DWORD) (LPVOID) &icd;
lParam = sizeof(ICDECOMPRESS);
Parameters
-
icd
-
Pointer to an ICDECOMPRESS structure.
-
lParam
-
Size, in bytes, of ICDECOMPRESS.
Return Value
Returns ICERR_OK if successful or an error otherwise.
Remarks
If you want the driver to decompress data directly to the screen, send the ICM_DRAW message.
The driver returns an error if this message is received before the ICM_DECOMPRESS_BEGIN message.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 2000 Professional [desktop apps only] |
| Minimum supported server |
Windows 2000 Server [desktop apps only] |
| Header |
|