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.

IltmmConvert::get_AudioCompressors

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#include "ltmm.h"

C Syntax	HRESULT IltmmConvert_get_AudioCompressors(pConvert, pVal)
C++ Syntax	HRESULT get_AudioCompressors(pVal)

IltmmConvert *pConvert;	/* pointer to an interface */
IltmmCompressors **pVal;	/* pointer to a pointer to an interface*/

Retrieves the audio compressor collection object.

Parameter	Description
pConvert	Pointer to an IltmmConvert interface.
pVal	Pointer to a variable to be updated with an IltmmCompressors (audio compressor collection interface) pointer. The IltmmCompressors interface referenced by this pointer contains information on the available audio compressors.

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

The returned IltmmCompressors interface is used to enumerate registered audio compressors, and to select an audio compressor for the conversion process. See IltmmCompressors for details.

If the function succeeds, the user should release the returned interface pointer by calling the interfaces Release method.

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:	IltmmConvert::get_VideoCompressors
Topics:	Multimedia Function Group
	IltmmCompressors Interface
	IltmmmConvert Interface
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