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OpenNI 1.5.4
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Functions | |
XN_C_API XnStatus XN_C_DECL | xnSetPowerLineFrequency (XnNodeHandle hGenerator, XnPowerLineFrequency nFrequency) |
XN_C_API XnPowerLineFrequency XN_C_DECL | xnGetPowerLineFrequency (XnNodeHandle hGenerator) |
XN_C_API XnStatus XN_C_DECL | xnRegisterToPowerLineFrequencyChange (XnNodeHandle hGenerator, XnStateChangedHandler handler, void *pCookie, XnCallbackHandle *phCallback) |
XN_C_API void XN_C_DECL | xnUnregisterFromPowerLineFrequencyChange (XnNodeHandle hGenerator, XnCallbackHandle hCallback) |
The Anti Flicker capability (XN_CAPABILITY_ANTI_FLICKER) allows a Map Generator to time its frames in such a way that no flickering will take place due to electric light frequencies.
XN_C_API XnPowerLineFrequency XN_C_DECL xnGetPowerLineFrequency | ( | XnNodeHandle | hGenerator) |
Gets the power line frequency.
hGenerator | [in] A handle to the instance. |
XN_C_API XnStatus XN_C_DECL xnRegisterToPowerLineFrequencyChange | ( | XnNodeHandle | hGenerator, |
XnStateChangedHandler | handler, | ||
void * | pCookie, | ||
XnCallbackHandle * | phCallback | ||
) |
Registers a callback function to power line frequency changes.
hGenerator | [in] A handle to the instance. |
handler | [in] A pointer to a function that will be called when power line frequency changes. |
pCookie | [in] A user cookie that will be passed to the callback function. |
phCallback | [out] Optional. Will be filled with a handle to be passed to xnUnregisterFromPowerLineFrequencyChange(). |
XN_C_API XnStatus XN_C_DECL xnSetPowerLineFrequency | ( | XnNodeHandle | hGenerator, |
XnPowerLineFrequency | nFrequency | ||
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Sets the power line frequency: 50 Hz, 60 Hz, or 0 to turn off anti-flicker.
hGenerator | [in] A handle to the instance. |
nFrequency | [in] The frequency to be used. |
XN_C_API void XN_C_DECL xnUnregisterFromPowerLineFrequencyChange | ( | XnNodeHandle | hGenerator, |
XnCallbackHandle | hCallback | ||
) |
Unregisters a callback function which was registered using xnRegisterToPowerLineFrequencyChange().
hGenerator | [in] A handle to the instance. |
hCallback | [in] The handle to the callback returned from xnRegisterToPowerLineFrequencyChange(). |