IltmfCompressor::get_Selected

Summary

Queries whether the compressor is currently selected.

Syntax

#include "ltmf.h"

Language Syntax
C HRESULT IltmfCompressor_get_Selected(pCompressor, pVal)
C++ HRESULT get_Selected(pVal)

Parameters

IltmfCompressor *pCompressor

Pointer to an IltmfCompressor interface.

VARIANT_BOOL *pVal

Pointer to a variable that determines whether the compressor is currently selected. Possible values are:

Value Meaning
VARIANT_TRUE The compressor is currently selected.
VARIANT_FALSE The compressor is not currently selected.

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.

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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