IltmmTargetFormat::IsValidCompressor

Summary

Retrieves a value that indicates if the specified compressor is valid for the currently selected target format in the capture or convert parent object.

Syntax

#include "ltmm.h"

C Syntax

HRESULT IltmmTargetFormat_IsValidCompressor(Format, Name, pVal)

C++ Syntax

HRESULT IsValidCompressor(Name, pVal)

IltmmTargetFormat *Format;

pointer to an interface

BSTR Name;

string

long *pVal;

pointer to a variable

Parameter

Description

pTargetFormat

Pointer to an IltmmTargetFormat interface.

Name

String that contains the name of the compressor for which to test the validity.

pVal

Pointer to a variable to be updated with a value that indicates if the specified compressor is valid for the currently selected target format in the capture or convert parent object. For a list of possible values, refer to ltmmTargetFormat_Compressor constants.

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.

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

See Also

Elements:

IltmmTargetFormat::get_RecommendedAudioCompressor, IltmmTargetFormat::get_RecommendedVideoCompressor

Topics:

Multimedia Function Group

Example

For an example, refer to Enumerating MPEG2 Format Compatible Compressors example for C.

For an example, refer to Enumerating MPEG2 Format Compatible Compressors example for C++.

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LEADTOOLS Multimedia C API Help

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© 1991-2022 LEAD Technologies, Inc. All Rights Reserved.