References ▼
#include "ltmf.h"
C Syntax |
HRESULT IltmfCapture_put_Volume(pCapture, Volume) |
C++ Syntax |
HRESULT put_Volume(Volume) |
IltmfCapture *pCapture; |
pointer to an interface |
long Volume; |
volume |
Sets the volume level of the audio stream .
Parameter |
Description |
pCapture |
Pointer to an IltmfCapture interface. |
Volume |
Volume level to set. Possible values range from 10000 to 0. |
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 to get the proper value for newVal. For example if you want a volume of 100 dB, set newVal to 100 X 100 or -10000.
Required DLLs and Libraries
LTMF For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Win32, x64
Elements: |
|
Topics: |
For a C++ example, refer to Using Mute with ltmfCapture Example for C++.
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