References ▼
#include "ltmm.h"
C Syntax |
HRESULT IltmmPlay_get_Volume(pPlay, pVolume) |
C++ Syntax |
HRESULT get_Volume(pVolume) |
IltmmPlay *pPlay; |
pointer to an interface |
long *pVolume; |
pointer to a variable |
Retrieves the volume (amplitude) of the audio signal.
Parameter |
Description |
pPlay |
Pointer to an IltmmPlay interface. |
pVolume |
Pointer to a variable that receives the volume value. Divide by 100 to get equivalent decibel value (for example 10,000 = 100 dB). |
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. |
A rate of 1.0 indicates normal playback speed.
A rate of 0.5 indicates half speed.
A rate of 1.0 indicates normal speed in reverse.
Required DLLs and Libraries
LTMM 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: |
IltmmPlay::get_Balance, IltmmPlay::get_Mute, IltmmPlay::put_Volume |
Topics: |
For a C example, refer to the Simple Media Player for C.
For a C++ example, refer to the Simple Media Player for C++.
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