IltmmPlay::get_Volume

Summary

Retrieves the volume (amplitude) of the audio signal.

Syntax

#include "ltmm.h"

Language Syntax
C HRESULT IltmmPlay_get_Volume(pPlay, pVolume)
C++ HRESULT get_Volume(pVolume)

Parameters

IltmmPlay *pPlay

Pointer to an IltmmPlay interface.

long *pVolume

Pointer to a variable that receives the volume value. Divide by 100 to get equivalent decibel value (for example 10,000 = 100 dB).

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

A rate of 1.0 indicates normal playback speed.

A rate of 0.5 indicates half speed.

A rate of 1.0 indicates normal speed in reverse.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

Language Example
C Simple Media Player
C++ Simple Media Player
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LEADTOOLS Multimedia C API Help

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