Optional onOccurs when the facial information processed by speech driven extension is received.
true : Facial information JSON parsing successful. false : Facial information JSON parsing failed.
Output parameter, the JSON string of the facial information processed by the voice driver plugin, including the following fields: faces: Object sequence. The collection of facial information, with each face corresponding to an object. blendshapes: Object. The collection of face capture coefficients, named according to ARkit standards, with each key-value pair representing a blendshape coefficient. The blendshape coefficient is a floating point number with a range of [0.0, 1.0]. rotation: Object sequence. The rotation of the head, which includes the following three key-value pairs, with values as floating point numbers ranging from -180.0 to 180.0: pitch: Head pitch angle. A positve value means looking down, while a negative value means looking up. yaw: Head yaw angle. A positve value means turning left, while a negative value means turning right. roll: Head roll angle. A positve value means tilting to the right, while a negative value means tilting to the left. timestamp: String. The timestamp of the output result, in milliseconds. Here is an example of JSON: { "faces":[{ "blendshapes":{ "eyeBlinkLeft":0.9, "eyeLookDownLeft":0.0, "eyeLookInLeft":0.0, "eyeLookOutLeft":0.0, "eyeLookUpLeft":0.0, "eyeSquintLeft":0.0, "eyeWideLeft":0.0, "eyeBlinkRight":0.0, "eyeLookDownRight":0.0, "eyeLookInRight":0.0, "eyeLookOutRight":0.0, "eyeLookUpRight":0.0, "eyeSquintRight":0.0, "eyeWideRight":0.0, "jawForward":0.0, "jawLeft":0.0, "jawRight":0.0, "jawOpen":0.0, "mouthClose":0.0, "mouthFunnel":0.0, "mouthPucker":0.0, "mouthLeft":0.0, "mouthRight":0.0, "mouthSmileLeft":0.0, "mouthSmileRight":0.0, "mouthFrownLeft":0.0, "mouthFrownRight":0.0, "mouthDimpleLeft":0.0, "mouthDimpleRight":0.0, "mouthStretchLeft":0.0, "mouthStretchRight":0.0, "mouthRollLower":0.0, "mouthRollUpper":0.0, "mouthShrugLower":0.0, "mouthShrugUpper":0.0, "mouthPressLeft":0.0, "mouthPressRight":0.0, "mouthLowerDownLeft":0.0, "mouthLowerDownRight":0.0, "mouthUpperUpLeft":0.0, "mouthUpperUpRight":0.0, "browDownLeft":0.0, "browDownRight":0.0, "browInnerUp":0.0, "browOuterUpLeft":0.0, "browOuterUpRight":0.0, "cheekPuff":0.0, "cheekSquintLeft":0.0, "cheekSquintRight":0.0, "noseSneerLeft":0.0, "noseSneerRight":0.0, "tongueOut":0.0 }, "rotation":{"pitch":30.0, "yaw":25.5, "roll":-15.5}, }], "timestamp":"654879876546" }
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Facial information observer.
You can call registerFaceInfoObserver to register one IFaceInfoObserver observer.