IltmmMediaInfo::get_AudioFormatTag

Summary

Retrieves the audio format type for the current stream in the current source media file.

Syntax

#include "ltmm.h"

Language Syntax
C HRESULT IltmmMediaInfo_get_AudioFormatTag(pMediaInfo, pVal)
C++ HRESULT get_AudioFormatTag(pVal)

Parameters

IltmmMediaInfo *pMediaInfo

Pointer to an IltmmMediaInfo interface.

long *pVal

Pointer to a variable that receives the audio format type. For a list of possible values, refer to the Microsoft documentation on FOURCC numbers.

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 DirectShow documentation.

Comments

This function will fail if the current stream is not an audio stream.

The current source media file, set using IltmmMediaInfo::put_SourceFile, is the file for which the IltmmMediaInfo interface/object gets information. This function must be called before calling any of the other IltmmMediaInfo function used for retrieving information.

To set the current stream, call IltmmMediaInfo::put_CurrentStream.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

Language Example
C Retrieving Media File Information
C++ Retrieving Media File Information
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LEADTOOLS Multimedia C API Help

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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.