ICOpen

The ICOpen function opens a compressor or decompressor.

HIC ICOpen(
  DWORD fccType,     
  DWORD fccHandler,  
  UINT wMode         
);

Parameters

fccType

Four-character code indicating the type of compressor or decompressor to open. For video streams, the value of this parameter is "VIDC".

fccHandler

Preferred handler of the specified type. Typically, the handler type is stored in the stream header in an AVI file.

wMode

Flag defining the use of the compressor or decompressor. The following values are defined.

Value Meaning
ICMODE_COMPRESS Compressor will perform normal compression.
ICMODE_DECOMPRESS Decompressor will perform normal decompression.
ICMODE_DRAW Decompressor will decompress and draw the data directly to hardware.
ICMODE_FASTCOMPRESS Compressor will perform fast (real-time) compression.
ICMODE_FASTDECOMPRESS Decompressor will perform fast (real-time) decompression.
ICMODE_QUERY Queries the compressor or decompressor for information.

Return Values

Returns a handle to a compressor or decompressor if successful or zero otherwise.

Requirements

  Windows NT/2000/XP: Included in Windows NT 3.1 and later.
  Windows 95/98/Me: Included in Windows 95 and later.
  Header: Declared in Vfw.h.
  Library: Use Vfw32.lib.

See Also

Video Compression Manager, Video Compression Functions

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