This is the interface for the LEAD Video Dynamic Rate Control Filter.
typedef enum LMVDynRate_APILEVEL
{
LMVDynRate_APILEVEL_1 = 0
} LMVDynRate_APILEVEL;
The LMVDynRate_APILEVEL enumeration type describes API version levels for this filter's default settings.
Member |
Description |
LMVDynRate_APILEVEL_1 |
API Version 1 defaults. Enabled=TRUE, Rate=1.0 |
Type |
Name |
Description |
VARIANT_BOOL |
Enable |
Set to VARIANT_TRUE to enable the filter. If set to VARIANT_FALSE, the filter will pass the video stream as is, without changing the frame rate. |
double |
Rate |
Sets or gets the dynamic playback rate, relative to input sample times. Eg. 1.0 = 1x (orginal input stream playback rate), .5 = 1/2x (half as fast as original input rate), 2.0 = 2x (twice as fast as original input rate) |
pRefTime | Pointer to a variable that will receive the duration. |
Gets the adjusted duration after the dynamic playback rate is being applied.
S_OK if successful, < 0 if an error occurred.
Resets the filter properties to their default values based on the API Level version passed.
The method will fail if the filter is in the running state.
S_OK |
Success |
VFW_E_WRONG_STATE |
The filter is in the wrong state. |
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