IltmfAudioFormat::get_Channels

Summary

Retrieves the audio format's channels.

Syntax

#include "ltmf.h"

Platform Syntax
C HRESULT IltmfAudioFormat_get_Channels(pAudioFormat, pVal)
C++ HRESULT get_Channels (pVal)

Parameters

IltmfAudioFormat *pAudioFormat

Pointer to an IltmfAudioFormat Interface.

long *pVal

Pointer to a variable to be updated with the number of channels for the audio format.

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

Call IltmfAudioFormat::get_SampleFrequency to get the sample frequency of the format and call IltmfAudioFormat::get_BitsPerSample to get the number of bits per sample for the audio format.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

For a C++ example, refer to IltmfAudioFormats::get_Count Example for C++.

Help Version 22.0.2022.8.23
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LEADTOOLS Media Foundation C API Help

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