onFaceInfo

输出参数，语音驱动插件处理后的人脸信息 JSON 字符串，包含以下字段：

• faces：Object 序列。包含识别到的人脸信息，每一张人脸对应一个 Object。

• blendshapes：Object。面捕系数集，命名符合 ARkit 标准，内部的键值对为每一个 blendshape 系数。blendshape 系数为浮点，取值范围为 [0.0,1.0]。

• rotation：Object 序列。头部旋转量，包含以下三个键值对，取值为浮点数，范围为 [-180.0,180.0]：

  • pitch：头部俯仰角度。低头为正值，抬头为负值。
  • yaw：头部水平旋转角度。左转为正值，右转为负值。
  • roll：头部垂直旋转角度。右倾为正值，左倾为负值。

• timestamp：String。输出结果的时间戳，单位为毫秒。

以下为 JSON 示例：{"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"}