References ▼
#include "ltmm.h"
C Syntax |
HRESULT IltmmPlay_IsRateSupported(pPlay, Rate, pResult) |
C++ Syntax |
HRESULT IsRateSupported(Rate, pResult) |
IltmmPlay *pPlay; |
pointer to an interface |
double Rate; |
playback rate |
VARIANT_BOOL *pResult; |
pointer to a variable |
Determines whether a specific playback rate is supported or not.
| Parameter | Description | |
| pPlay | Pointer to an IltmmPlay interface. | |
| Rate | The playback rate for which to check. | |
| pResult | Pointer to a variable to be updated with a value that indicates whether the specified playback rate is supported. Possible values are: | |
| Value | Description | |
| TRUE | The rate is supported. | |
| FALSE | The rate is not supported. | |
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. |
The playback rate is expressed as a ratio of the normal playback speed. For example, use 1.0 for normal speed, 2.0 for double speed, and 0.5 for half speed.
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: |
|
Topics: |
For a C example, refer to the IltmmPlay::IsRateSupported Example for C.
For a C++ example, refer to the IltmmPlay::IsRateSupported Example for C++.
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