LEADTOOLS Multimedia API Help
| LEADTOOLS Multimedia API Help > LEADTOOLS Multimedia Features > Multimedia Function References > IltmmPlay Interface > IltmmPlay::IsRateSupported |
#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. |
Returns
|
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. |
Comments
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
See Also
|
Elements: |
|
|
Topics: |
Example
For a C example, refer to the IltmmPlay::IsRateSupported Example for C.
For a C++ example, refer to the IltmmPlay::IsRateSupported Example for C++.
