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IltmfTargetFormat::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 "ltmf.h"

Language	Syntax
C	HRESULT IltmfTargetFormat_IsValidCompressor(Format, Name, pVal)
C++	HRESULT IsValidCompressor(Name, pVal)

Parameters

IltmfTargetFormat *pTargetFormat

Pointer to an IltmfTargetFormat interface.

BSTR Name

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

long *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 ltmfTargetFormat_Compressor constants.

Returns

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

Comments

Compressor

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

Encoder

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

Decoder

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

Target format

The format to be used for the converted file. This includes the file format, any special settings used by that format, and which audio and/or video codec is to be used for the conversion, and any special settings used by the codecs.