IltmfCompressors::Item

Summary

Retrieves the compressor at the specified index.

Syntax

#include "ltmf.h"

Language Syntax
C HRESULT IltmfCompressors_Item(pCompressors, Index, Compressor )
C++ HRESULT Item(Index, Compressor)

Parameters

IltmfCompressors *pCompressors

Pointer to an IltmfCompressors interface.

long Index

Index of the compressor to retrieve.

IltmfCompressor **Compressor

Pointer to a variable that receives the interface pointer for the compressor at the specified zero based index.

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

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

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.

Required DLLs and Libraries

Platforms

Win32.

See Also

Functions

Topics

Example

For an example, refer to Selecting ltmfConvert Object Compressors for C++.

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