Also known as an encoder , this is a module or algorithm to compress data. Playing that data back requires a decompressor, or decoder .

Also known as compressor, this is a module or algorithm to compress data. Playing that data back requires a decompressor, or decoder.

Also known as a decompressor, this is a module or algorithm to decompress data.

IltmmCompressors::Refresh

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#include "ltmm.h"

C Syntax	HRESULT IltmmCompressors_Refresh(pCompressors)
C++ Syntax	HRESULT Refresh()

IltmmCompressors *pCompressors;

/* pointer to an interface */

Rebuilds the compressor collection.

Parameter	Description
pCompressors	Pointer to an IltmmCompressors interface.

Returns

S_OK	The function was successful.
<> S_OK	An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.

Comments

This function will rebuild the collection of system-registered compressors. It is usually called from applications that respond to system device change notifications.

Required DLLs and Libraries

LTMM

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64

Elements:	IltmmCompressors::get_Count, IltmmCompressors::Item
Topics:	Multimedia Function Group