feat: remove the cameraPosition argument

Author: NorbertKlockiewicz

apps/computer-vision/app/vision_camera/index.tsx

@@ -80,7 +80,6 @@ const TASKS: Task[] = [
 // Module-level consts so worklets in task components can always reference the same stable objects.
 // Never replaced — only mutated via setBlocking to avoid closure staleness.
 const frameKillSwitch = createSynchronizable(false);
-const cameraPositionSync = createSynchronizable<'front' | 'back'>('back');
 
 export default function VisionCameraScreen() {
   const insets = useSafeAreaInsets();
@@ -107,7 +106,7 @@ export default function VisionCameraScreen() {
   const format = useMemo(() => {
     if (device == null) return undefined;
     try {
-      return getCameraFormat(device, Templates.FrameProcessing);
+      return getCameraFormat(device, { ...Templates.FrameProcessing });
     } catch {
       return undefined;
     }
@@ -121,10 +120,6 @@ export default function VisionCameraScreen() {
     return () => clearTimeout(id);
   }, [activeModel]);
 
-  useEffect(() => {
-    cameraPositionSync.setBlocking(cameraPosition);
-  }, [cameraPosition]);
-
   const handleFpsChange = useCallback((newFps: number, newMs: number) => {
     setFps(newFps);
     setFrameMs(newMs);
@@ -167,8 +162,6 @@ export default function VisionCameraScreen() {
   const taskProps = {
     activeModel,
     canvasSize,
-    cameraPosition,
-    cameraPositionSync,
     frameKillSwitch,
     onFrameOutputChange: setFrameOutput,
     onReadyChange: setIsReady,
@@ -187,7 +180,7 @@ export default function VisionCameraScreen() {
         outputs={frameOutput ? [frameOutput] : []}
         isActive={isFocused}
         format={format}
-        orientationSource="device"
+        orientationSource="interface"
       />
 
       {/* Layout sentinel — measures the full-screen area for bbox/canvas sizing */}

apps/computer-vision/components/vision_camera/tasks/ClassificationTask.tsx

@@ -5,7 +5,7 @@ import { scheduleOnRN } from 'react-native-worklets';
 import { EFFICIENTNET_V2_S, useClassification } from 'react-native-executorch';
 import { TaskProps } from './types';
 
-type Props = Omit<TaskProps, 'activeModel' | 'canvasSize' | 'cameraPosition'>;
+type Props = Omit<TaskProps, 'activeModel' | 'canvasSize'>;
 
 export default function ClassificationTask({
   frameKillSwitch,

apps/computer-vision/components/vision_camera/tasks/ObjectDetectionTask.tsx

@@ -18,7 +18,6 @@ type Props = TaskProps & { activeModel: ObjModelId };
 export default function ObjectDetectionTask({
   activeModel,
   canvasSize,
-  cameraPositionSync,
   frameKillSwitch,
   onFrameOutputChange,
   onReadyChange,
@@ -81,7 +80,7 @@ export default function ObjectDetectionTask({
         }
         try {
           if (!detRof) return;
-          const result = detRof(frame, cameraPositionSync.getDirty(), 0.5);
+          const result = detRof(frame, 0.5);
           // C++ maps coords to screen space (portrait: frameH × frameW)
           const screenW = frame.height;
           const screenH = frame.width;
@@ -98,7 +97,7 @@ export default function ObjectDetectionTask({
           frame.dispose();
         }
       },
-      [detRof, frameKillSwitch, updateDetections, cameraPositionSync]
+      [detRof, frameKillSwitch, updateDetections]
     ),
   });
 

apps/computer-vision/components/vision_camera/tasks/SegmentationTask.tsx

@@ -37,7 +37,6 @@ type Props = TaskProps & { activeModel: SegModelId };
 export default function SegmentationTask({
   activeModel,
   canvasSize,
-  cameraPositionSync,
   frameKillSwitch,
   onFrameOutputChange,
   onReadyChange,
@@ -140,7 +139,6 @@ export default function SegmentationTask({
     pixelFormat: 'rgb',
     dropFramesWhileBusy: true,
     enablePreviewSizedOutputBuffers: true,
-
     onFrame: useCallback(
       (frame: Frame) => {
         'worklet';
@@ -150,12 +148,7 @@ export default function SegmentationTask({
         }
         try {
           if (!segRof) return;
-          const result = segRof(
-            frame,
-            cameraPositionSync.getDirty(),
-            [],
-            false
-          );
+          const result = segRof(frame, [], false);
           if (result?.ARGMAX) {
             const argmax: Int32Array = result.ARGMAX;
             const side = Math.round(Math.sqrt(argmax.length));
@@ -186,7 +179,7 @@ export default function SegmentationTask({
           frame.dispose();
         }
       },
-      [cameraPositionSync, colors, frameKillSwitch, segRof, updateMask]
+      [colors, frameKillSwitch, segRof, updateMask]
     ),
   });
 

apps/computer-vision/components/vision_camera/tasks/types.ts

@@ -4,8 +4,6 @@ import { createSynchronizable } from 'react-native-worklets';
 export type TaskProps = {
   activeModel: string;
   canvasSize: { width: number; height: number };
-  cameraPosition: 'front' | 'back';
-  cameraPositionSync: ReturnType<typeof createSynchronizable<'front' | 'back'>>;
   frameKillSwitch: ReturnType<typeof createSynchronizable<boolean>>;
   onFrameOutputChange: (frameOutput: ReturnType<typeof useFrameOutput>) => void;
   onReadyChange: (isReady: boolean) => void;