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Installing Compressors and Decompressors

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[The feature associated with this page, Video Compression Manager, is a legacy feature. Microsoft strongly recommends that new code does not use this feature.]

The following example shows how an application can install a function as a compressor or decompressor using the ICInstall function.

// This function looks like a DriverProc entry point. 

LRESULT MyCodecFunction(DWORD dwID, HDRVR hDriver, 
    UINT uiMessage, LPARAM lParam1, LPARAM lParam2); 
 
// This function installs the MyCodecFunction as a compressor. 

result = ICInstall ( ICTYPE_VIDEO, mmioFOURCC('s','a','m','p'), 
    (LPARAM)(FARPROC)&MyCodecFunction, NULL, ICINSTALL_FUNCTION);