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.

IltmmCapture::get_VideoCompressors

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#include "ltmm.h"

C Syntax	HRESULT IltmmCapture_get_VideoCompressors(pCapture, pVal)
C++ Syntax	HRESULT get_VideoCompressors(pVal)

IltmmCapture *pCapture;	/* pointer to an interface */
IltmmCompressors **pVal;	/* video compressor collection interface */

Retrieves the video compressor collection object.

Parameter	Description
pCapture	Pointer to an IltmmCapture interface.
pVal	Pointer to a variable that receives the video compressor collection interface pointer.

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 video compressors, and to select a video compressor for the capturing process. See ltmmCompressors 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:	IltmmCapture::get_AudioCompressors, IltmmCompressors Interface
Topics:	Multimedia Function Group