IltmmPlay::put_Volume

Summary

Sets the volume (amplitude) of the audio signal.

Syntax

#include "ltmm.h"

Language Syntax
C HRESULT IltmmPlay_put_Volume(pPlay, Volume)
C++ HRESULT put_Volume(Volume)

Parameters

IltmmPlay *pPlay

Pointer to an IltmmPlay interface.

long Volume

Value to which to set the volume. The allowable input range is 10,000 to 0.

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

Full volume is 0, and 10,000 is silence; the scale is logarithmic. Multiply the desired decibel level by 100 (for example 10,000 = 100 dB).

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