Compressor
and Decompressor Basics
To open and
locate a compressor, you can use the ICLocate11FA8SY and ICOpen functions. You can use ICLocate
to find a compressor of a specific type and to obtain a handle of it for use in
other VCM functions. To open a compressor, you can use ICOpen. Your
application uses the handle returned by this function to identify the opened
compressor when it uses other VCM functions.
To open and
locate a decompressor, applications can use the ICDecompressOpen
When your
application hass finished using a compressor or decompressor, it must close it
to free any resources used for compression or decompression. Your application
can use the ICClose
Also, your application
can enumerate the compressors or decompressors on a system by using the ICInfo
Note The stream
header in an AVI file contains information about the stream type and the
specific handler for that stream. Within the stream header, the fccType
and fccHandler members identify the stream type and the stream handler
specified for the stream.