snapshot of https://github.com/jitsi/jitsi-meet.git @ fd1749dd28f4138aa80234fc7f311b19aaffa0e7 (2026-09-15)

react/features/face-landmarks/reducer.ts

@@ -0,0 +1,61 @@
+import ReducerRegistry from '../base/redux/ReducerRegistry';
+
+import {
+    ADD_FACE_LANDMARKS,
+    CLEAR_FACE_LANDMARKS_BUFFER,
+    UPDATE_FACE_COORDINATES
+} from './actionTypes';
+import { FaceBox, FaceLandmarks } from './types';
+
+const defaultState = {
+    faceBoxes: {},
+    faceLandmarks: [],
+    faceLandmarksBuffer: [],
+    recognitionActive: false
+};
+
+export interface IFaceLandmarksState {
+    faceBoxes: { [key: string]: FaceBox; };
+    faceLandmarks: Array<FaceLandmarks>;
+    faceLandmarksBuffer: Array<{
+        emotion: string;
+        timestamp: number;
+    }>;
+    recognitionActive: boolean;
+}
+
+ReducerRegistry.register<IFaceLandmarksState>('features/face-landmarks',
+(state = defaultState, action): IFaceLandmarksState => {
+    switch (action.type) {
+    case ADD_FACE_LANDMARKS: {
+        const { addToBuffer, faceLandmarks }: { addToBuffer: boolean; faceLandmarks: FaceLandmarks; } = action;
+
+        return {
+            ...state,
+            faceLandmarks: [ ...state.faceLandmarks, faceLandmarks ],
+            faceLandmarksBuffer: addToBuffer ? [ ...state.faceLandmarksBuffer,
+                {
+                    emotion: faceLandmarks.faceExpression,
+                    timestamp: faceLandmarks.timestamp
+                } ] : state.faceLandmarksBuffer
+        };
+    }
+    case CLEAR_FACE_LANDMARKS_BUFFER: {
+        return {
+            ...state,
+            faceLandmarksBuffer: []
+        };
+    }
+    case UPDATE_FACE_COORDINATES: {
+        return {
+            ...state,
+            faceBoxes: {
+                ...state.faceBoxes,
+                [action.id]: action.faceBox
+            }
+        };
+    }
+    }
+
+    return state;
+});