KSPROPERTY_CAMERACONTROL_EXTENDED_PHOTOFRAMERATE
This property gets the capture frame rate when the photo mode for the camera is sequence mode.
Usage Summary Table
| Get | Set | Target | Property descriptor type | Property value type |
|---|---|---|---|---|
Yes |
No |
Pin |
The property value (operation data) contains a KSCAMERA_EXTENDEDPROP_HEADER structure and a KSCAMERA_EXTENDEDPROP_VALUE structure. The photo frame rate in frames per second is returned as value in KSCAMERA_EXTENDEDPROP_VALUE.
There are no flags set in the Flags member of KSCAMERA_EXTENDEDPROP_HEADER for this property.
The total property data size is sizeof(KSCAMERA_EXTENDEDPROP_HEADER) + sizeof(KSCAMERA_EXTENDEDPROP_VALUE). The Size member of KSCAMERA_EXTENDEDPROP_HEADER is set to this total property data size.
This property control is synchronous and not cancelable.
Remarks
When responding to a KSPROPERTY_TYPE_GET request, the driver sets the members of the KSCAMERA_EXTENDEDPROP_HEADER to the following.
| Member | Value |
|---|---|
| Version | 1 |
| PinId | Thi pin ID for the photo pin. |
| Size | sizeof(KSCAMERA_EXTENDEDPROP_HEADER) + sizeof(KSCAMERA_EXTENDEDPROP_VALUE) |
| Result | An error value resulting from the attempt to read the frame rate. Otherwise, 0. |
| Capability | 0 |
| Flags | 0 |
The frame rate value is set in the Ratio member of KSCAMERA_EXTENDEDPROP_VALUE. Ratio.HighPart contains the numerator of the frame rate and Ratio.LowPart contains the denominator of the frame rate.
Requirements
Version |
Available starting with Windows 8.1. |
Header |
Ksmedia.h (include Ksmedia.h) |