IltmfPlay::put_Volume

#include "ltmf.h"

Platform Syntax
C HRESULT IltmfPlay_put_Volume(pPlay, newVal)
C++ HRESULT put_Volume(newVal)

Sets the volume (amplitude) of the audio signal.

Parameters

IltmfPlay *pPlay

Pointer to an IltmfPlay interface.

long newVal

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 MediaFoundation 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

For a C++ example, refer to the Simple Media Player for C++.

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