IltmfPlay::put_Volume

Summary

Sets the volume (amplitude) of the audio signal.

Syntax

#include "ltmf.h"

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

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++.

Help Version 22.0.2023.7.14
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.

LEADTOOLS Media Foundation C API Help
Introduction
Version History
Getting Started
Copyright notice
Installation Directory
Media Foundation Files You Must Include With Your Application (Redistributables)
LEADTOOLS Media Foundation Features
Programming with LEADTOOLS Media Foundation
Appendix
LEADTOOLS Licensing
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.