| MeiCam SDK For iOS
    3.7.2
    | 
Track video effect. More...
#import <NvsTrackVideoFx.h>
 
  
| Instance Methods | |
| (int64_t) | - changeInPoint: | 
| Changes the in point of the track video effect on the track.  More... | |
| (int64_t) | - changeOutPoint: | 
| Changes the out point of the track video effects on the track.  More... | |
| (void) | - movePosition: | 
| Changes the position of the track video effect on the track (the in and out points move the value of "offset" at the same time).  More... | |
| (CGPoint) | - mapPointFromCanonicalToParticleSystem: | 
| Converts the track coordinates to the particle system coordinates.  More... | |
| (void) | - setZValue: | 
| Set the sticker Z value.The higher the Z value, the higher the sticker is.  More... | |
| (float) | - getZValue | 
| Get the sticker Z value.  More... | |
|  Instance Methods inherited from NvsFx | |
| (void) | - setIntVal:val: | 
| Set the integer parameter of NvsFx.  More... | |
| (int) | - getIntVal: | 
| Get the integer parameter of NvsFx.  More... | |
| (void) | - setIntValAtTime:val:time: | 
| Set the NvsFx's integer parameter at a specified time point.  More... | |
| (int) | - getIntValAtTime:time: | 
| Get the NvsFx's integer parameter at a specified time point.  More... | |
| (void) | - setFloatVal:val: | 
| Set the float parameter of NvsFx.  More... | |
| (double) | - getFloatVal: | 
| Get the float parameter of NvsFx.  More... | |
| (void) | - setFloatValAtTime:val:time: | 
| Set the NvsFx's float parameter at a specified time point.  More... | |
| (double) | - getFloatValAtTime:time: | 
| Get the NvsFx's float parameter at a specified time point.  More... | |
| (void) | - setBooleanVal:val: | 
| Set the BOOL parameter of NvsFx.  More... | |
| (BOOL) | - getBooleanVal: | 
| Get the BOOL parameter of NvsFx.  More... | |
| (void) | - setBooleanValAtTime:val:time: | 
| Set the NvsFx’s BOOL parameter at a specified time point.  More... | |
| (BOOL) | - getBooleanValAtTime:time: | 
| Get the NvsFx's BOOL parameter at a specified time point.  More... | |
| (void) | - setStringVal:val: | 
| Set the string parameter of NvsFx.  More... | |
| (NSString *) | - getStringVal: | 
| Get the string parameter of NvsFx.  More... | |
| (void) | - setStringValAtTime:val:time: | 
| Set the NvsFx's string parameter at a specified time point.  More... | |
| (NSString *) | - getStringValAtTime:time: | 
| Get the NvsFx's string parameter at a specified time point.  More... | |
| (void) | - setColorVal:val: | 
| Set the color parameter of NvsFx.  More... | |
| (NvsColor) | - getColorVal: | 
| Get the color parameter of NvsFx.  More... | |
| (void) | - setColorValAtTime:val:time: | 
| Set the NvsFx's color parameter at a specified time point.  More... | |
| (NvsColor) | - getColorValAtTime:time: | 
| Get the NvsFx's color parameter at a specified time point.  More... | |
| (void) | - setPosition2DVal:val: | 
| Set the two dimentional coordinates parameter of NvsFx.  More... | |
| (NvsPosition2D) | - getPosition2DVal: | 
| Get the two dimentional coordinates parameter of NvsFx.  More... | |
| (void) | - setPosition2DValAtTime:val:time: | 
| Set the NvsFx's two dimentional coordinates parameter at a specified time point.  More... | |
| (NvsPosition2D) | - getPosition2DValAtTime:time: | 
| Get the NvsFx's two dimentional coordinates parameter at a specified time point.  More... | |
| (void) | - setPosition3DVal:val: | 
| Set the three dimentional coordinates parameter of NvsFx.  More... | |
| (NvsPosition3D) | - getPosition3DVal: | 
| Get the three dimentional coordinates parameter of NvsFx.  More... | |
| (void) | - setPosition3DValAtTime:val:time: | 
| Set the NvsFx's three dimentional coordinates parameter at a specified time point.  More... | |
| (NvsPosition3D) | - getPosition3DValAtTime:time: | 
| Get the NvsFx's three dimentional coordinates parameter at a specified time point.  More... | |
| (void) | - setMenuVal:val: | 
| Set the menu parameter of NvsFx.  More... | |
| (NSString *) | - getMenuVal: | 
| Get the menu parameter of NvsFx.  More... | |
| (void) | - setMenuValAtTime:val:time: | 
| Set the NvsFx's menu parameter at a specified time point.  More... | |
| (NSString *) | - getMenuValAtTime:time: | 
| Get the NvsFx menu parameter at a specified time point.  More... | |
| (void) | - setArbDataVal:val: | 
| Set custom data parameter value.  More... | |
| (NvsArbitraryData *) | - getArbDataVal: | 
| Get custom data parameter value.  More... | |
| (void) | - setArbDataValAtTime:val:time: | 
| Sets custom data parameter value.  More... | |
| (NvsArbitraryData *) | - getArbDataValAtTime:time: | 
| Get custom data parameter value at a specified time point.  More... | |
| (bool) | - removeKeyframeAtTime:time: | 
| Remove key frame at a specified time point from key frame list.  More... | |
| (bool) | - removeAllKeyframe: | 
| Remove all key frames from key frame list.  More... | |
| (bool) | - hasKeyframeList: | 
| Check whether the parameter has key frame list or not.  More... | |
| (int64_t) | - findKeyframeTime:time:flags: | 
| Get key frame at a specified time point.  More... | |
| (bool) | - setKeyFrameControlPoint:time:controlPointPair: | 
| Set key frame control point pair.  More... | |
| (NvsControlPointPair *) | - getKeyFrameControlPoint:time: | 
| Get key frame control point pair.  More... | |
| (bool) | - setKeyFrameControlPointMode:time:controlPointModePair: | 
| Set key frame control point mode pair.  More... | |
| (NvsControlPointModePair *) | - getKeyFrameControlPointMode:time: | 
| Get key frame control point mode pair.  More... | |
| (void) | - setFilterIntensity: | 
| Set the intensity of the filter.  More... | |
| (float) | - getFilterIntensity | 
| Get the intensity of the filter.  More... | |
| (void) | - setFilterMask: | 
| Set the mask of the filter.  More... | |
| (bool) | - getFilterMask | 
| Get the usage of the filter's mask.  More... | |
| (void) | - setRegional: | 
| Set whether the filter is regional.  More... | |
| (BOOL) | - getRegional | 
| Get whether the filter is regional.  More... | |
| (void) | - setIgnoreBackground: | 
| Set whether the regional filter ignores background.  More... | |
| (BOOL) | - getIgnoreBackground | 
| Get whether the regional filter ignores background.  More... | |
| (void) | - setInverseRegion: | 
| Set whether the regional filter inverses region.  More... | |
| (BOOL) | - getInverseRegion | 
| Get whether the regional filter inverses region.  More... | |
| (NSArray *) | - getRegion | 
| Get the region of this regional filter.  More... | |
| (void) | - setRegion: | 
| Set the region of this regional filter.  More... | |
| (NvsMaskRegionInfo *) | - getRegionInfo | 
| Get the mask region informations of the regional filter.  More... | |
| (void) | - setRegionInfo: | 
| Set the mask region informations of the regional filter.  More... | |
| (void) | - setRegionInfoAtTime:time: | 
| Set the regional filter's mask region informations at a specified time point.  More... | |
| (NvsMaskRegionInfo *) | - getRegionInfoAtTime: | 
| Get the the regional filter's mask region informations at a specified time.  More... | |
| (void) | - setRegionalFeatherWidth: | 
| Set the feather width of the regional filter.  More... | |
| (float) | - getRegionalFeatherWidth | 
| Get the feather width of the regional filter.  More... | |
| (void) | - setRegionalFeatherWidthAtTime:time: | 
| Set the regional filter's feather width at a specified time point.  More... | |
| (float) | - getRegionalFeatherWidthAtTime: | 
| Get the regional filter's feather width at a specified time point.  More... | |
| (void) | - setRegionCoordinateSystemType: | 
| Set the coordinate system of the region.  More... | |
| (int) | - getRegionCoordinateSystemType | 
| Get the coordinate system of the region.  More... | |
| (NvsParticleSystemContext *) | - getParticleSystemContext | 
| Get the particle effect context pointer.Please refer to NvsParticleSystemContext.  More... | |
| (NvsARFaceContext *) | - getARFaceContext | 
| Get face effect context pointer.Please refer to NvsARFaceContext.  More... | |
| (NvsPaintingEffectContext *) | - getPaintingEffectContext | 
| Get the particle effect context pointer.Please refer to NvsPaintingEffectContext.  More... | |
| (NvsARSceneManipulate *) | - getARSceneManipulate | 
| Get the AR scene operation pointer.Please refer to NvsARSceneManipulate.  More... | |
| (void) | - setExprVar:varValue: | 
| Set the value of the defined parameter in the expression.  More... | |
| (double) | - getExprVar: | 
| Get the value of the defined parameter in the expression.  More... | |
| (void) | - setColorExprVar:varValue: | 
| Set the color value of the defined parameter in the expression.  More... | |
| (NvsColor) | - getColorExprVar: | 
| Get the color value of the defined parameter in the expression.  More... | |
| (void) | - clearExprVar: | 
| Clear the value of the defined parameter in the expression and set it to the default value of 0.  More... | |
| (void) | - clearExprVarCtx | 
| Clear all parameter values defined in the expression and set them to the default value of 0.  More... | |
|  Instance Methods inherited from NvsObject | |
| (void) | - setAttachment:forKey: | 
| Adds an attachment to the NvsObject object to identify the object of the NvsObject or for other purposes.  More... | |
| (void) | - setTemplateAttachment:forKey: | 
| Adds additional template data to the NvsObject object to identify the NvsObject template object.  More... | |
| (NSObject *) | - getAttachment: | 
| Gets attached attachments.  More... | |
| (NSString *) | - getTemplateAttachment: | 
| Gets an template attachment to NvsObject.  More... | |
| Properties | |
| NvsTrackVideoFxType | trackVideoFxType | 
| The type of track video effect.  More... | |
| NSString * | bultinTrackVideoFxName | 
| The name of the built-in video effect on the track. If it's not a built-in video effect on the track, it returns nil.  More... | |
| NSString * | trackVideoFxPackageId | 
| The resource package ID of the video effect on the track. If it's not a resource package video effect on the track, it returns nil.  More... | |
| int64_t | inPoint | 
| The in point of the track video effect on the track (in microseconds).  More... | |
| int64_t | outPoint | 
| The out point of the track video effect on the track (in microseconds).  More... | |
|  Properties inherited from NvsFx | |
| NvsFxDescription * | description | 
| Special effect description.  More... | |
Track video effect.
| - (int64_t) changeInPoint: | (int64_t) | newInPoint | 
Changes the in point of the track video effect on the track.
| newInPoint | The new in point of the track video effect on the track (in microseconds) | 
| - (int64_t) changeOutPoint: | (int64_t) | newOutPoint | 
Changes the out point of the track video effects on the track.
| newOutPoint | The new out point of the track video effect on the track (in microseconds) | 
| - (float) getZValue | 
Get the sticker Z value.
| - (CGPoint) mapPointFromCanonicalToParticleSystem: | (CGPoint) | ptCononical | 
Converts the track coordinates to the particle system coordinates.
| ptCononical | track coordinates | 
| - (void) movePosition: | (int64_t) | offset | 
Changes the position of the track video effect on the track (the in and out points move the value of "offset" at the same time).
| offset | The offset value (in microseconds) | 
| - (void) setZValue: | (float) | value | 
Set the sticker Z value.The higher the Z value, the higher the sticker is.
| value | Z value | 
| 
 | readatomicassign | 
The name of the built-in video effect on the track. If it's not a built-in video effect on the track, it returns nil.
| 
 | readatomicassign | 
The in point of the track video effect on the track (in microseconds).
| 
 | readatomicassign | 
The out point of the track video effect on the track (in microseconds).
| 
 | readatomicassign | 
The resource package ID of the video effect on the track. If it's not a resource package video effect on the track, it returns nil.
| 
 | readatomicassign | 
The type of track video effect.
 1.8.18
 1.8.18