onFaceInfo property

void Function(String outFaceInfo)? onFaceInfo
final

Reports the face information processed by the voice driver plugin.

  • outFaceInfo Output parameter. A JSON string of face information processed by the voice driver plugin, containing the following fields: faces: Array of objects. Contains information of detected faces, each face corresponds to one object. blendshapes: Object. Blend shape coefficient set, named according to ARkit standards. Each key-value pair represents a blend shape coefficient. The coefficient is a float ranging from 0.0, 1.0. rotation: Array of objects. Head rotation values, including the following three key-value pairs, with float values ranging from -180.0, 180.0: pitch: Head pitch angle. Positive when looking down, negative when looking up. yaw: Head yaw angle. Positive when turning left, negative when turning right. roll: Head roll angle. Positive when tilting right, negative when tilting left. timestamp: String. Timestamp of the output result in milliseconds. Example 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" }

Returns true : Face information JSON parsed successfully. false : Face information JSON parsing failed.

Implementation

final void Function(String outFaceInfo)? onFaceInfo;