功能说明
输入相机的 openGL 纹理，实时输出人脸52表情 BlendShape 数据，遵循苹果 ARKit 规范，详情请参见 ARFaceAnchor。您可以利用这些表情数据做一进步的开发，例如传到 Unity 中驱动您的模型。
Android 集成指引
接口调用
1. 打开功能开关：
//XmagicApi.java//featureName = XmagicConstant.FeatureName.ANIMOJI_52_EXPRESSIONpublic void setFeatureEnableDisable(String featureName, boolean enable);
2. 设置人脸点位信息数据回调。
2.6.0及之前版本使用如下方法
//XmagicApi.javavoid setYTDataListener(XmagicApi.XmagicYTDataListener ytDataListener)public interface XmagicYTDataListener {void onYTDataUpdate(String data)}
3.0.0版本使用如下方法
void setAIDataListener(XmagicApi.OnAIDataListener aiDataListener)public interface OnAIDataListener {void onFaceDataUpdated(List<TEFaceData> faceDataList);void onHandDataUpdated(List<TEHandData> handDataList);void onBodyDataUpdated(List<TEBodyData> bodyDataList);void onAIDataUpdated(String data); //此方法是3.0.0版本新增方法，数据结构和之前XmagicYTDataListener接口的数据保持一致}
onYTDataUpdate 和 onAIDataUpdated 返回 JSON string 结构，最多返回5个人脸信息：
{"face_info":[{"trace_id":5,"face_256_point":[180.0,112.2,...],"face_256_visible":[0.85,...],"out_of_screen":true,"left_eye_high_vis_ratio:1.0,"right_eye_high_vis_ratio":1.0,"left_eyebrow_high_vis_ratio":1.0,"right_eyebrow_high_vis_ratio":1.0,"mouth_high_vis_ratio":1.0,"expression_weights":[0.12,-0.32...]},...]}
字段含义
trace_id：人脸 ID，连续取流过程中，ID 相同的可以认为是同一张人脸。
expression_weights：实时表情blendshape数据，数组长度为52，每个数值取值范围为 0到1.0。{
"eyeBlinkLeft","eyeLookDownLeft","eyeLookInLeft","eyeLookOutLeft","eyeLookUpLeft","eyeSquintLeft","eyeWideLeft","eyeBlinkRight","eyeLookDownRight","eyeLookInRight","eyeLookOutRight","eyeLookUpRight","eyeSquintRight","eyeWideRight","jawForward","jawLeft","jawRight","jawOpen","mouthClose","mouthFunnel","mouthPucker","mouthRight","mouthLeft","mouthSmileLeft","mouthSmileRight","mouthFrownRight","mouthFrownLeft","mouthDimpleLeft","mouthDimpleRight","mouthStretchLeft","mouthStretchRight","mouthRollLower","mouthRollUpper","mouthShrugLower","mouthShrugUpper","mouthPressLeft","mouthPressRight","mouthLowerDownLeft","mouthLowerDownRight","mouthUpperUpLeft","mouthUpperUpRight","browDownLeft","browDownRight","browInnerUp","browOuterUpLeft","browOuterUpRight","cheekPuff","cheekSquintLeft","cheekSquintRight","noseSneerLeft","noseSneerRight","tongueOut"}其他字段是 人脸信息，只有当您购买了相关 License 才有那些字段。如果您只想获取表情数据，请忽略那些字段。
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