References ▼
Sets the volume (amplitude) of the audio signal.
#include "ltmf.h"
| Language | Syntax |
|---|---|
| C | HRESULT IltmfPlay_put_Volume(pPlay, newVal) |
| C++ | HRESULT put_Volume(newVal) |
Pointer to an IltmfPlay interface.
Value to which to set the volume. The allowable input range is 10,000 to 0.
| 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. |
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).
Win32, x64.
For a C++ example, refer to the Simple Media Player for C++.
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document