ICOpen function

The ICOpen function opens a compressor or decompressor.

Syntax

HIC VFWAPI 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 Value

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

Requirements

   
Minimum supported client Windows 2000 Professional [desktop apps only]
Minimum supported server Windows 2000 Server [desktop apps only]
Target Platform Windows
Header vfw.h
Library Vfw32.lib
DLL Msvfw32.dll

See Also

Video Compression Functions

Video Compression Manager