gemini

src/components/video-player-section.tsx

@@ -92,7 +92,8 @@ export default function VideoPlayerSection({
       return data;
     }
 
-    // Synthesize frames from lists if not present (like in gemini_video)
+    // Synthesize frames from lists if not present (specifically for gemini_video)
+    // Other models like YOLO return data.frames directly
     const framesMap = new Map<number, any>();
     
     // Sort all detections by their first_detected_frame
@@ -115,26 +116,36 @@ export default function VideoPlayerSection({
     allDetections.forEach(det => {
       const frameId = det.first_detected_frame || det.frame_number || 0;
       
-      if (!framesMap.has(frameId)) {
+      // Spread detection across multiple frames so it stays visible (persistence)
-        framesMap.set(frameId, { frame_id: frameId, detections: [] });
+      // Gemini detections are sparse, so showing them for ~1 second (30 frames) helps
+      const persistenceFrames = 30; 
+      
+      for (let i = 0; i < persistenceFrames; i++) {
+        const targetFrame = frameId + i;
+        
+        if (!framesMap.has(targetFrame)) {
+          framesMap.set(targetFrame, { frame_id: targetFrame, detections: [] });
+        }
+        
+        const frameData = framesMap.get(targetFrame);
+        
+        // Update cumulative counts only on the first detected frame
+        if (i === 0) {
+          const typeConfig = enabledTypes.find(t => t.id === det._detType);
+          if (typeConfig) {
+            currentCounts[typeConfig.frameCountKey] = (currentCounts[typeConfig.frameCountKey] || 0) + 1;
+          }
+        }
+        
+        const countCopy = { ...currentCounts };
+        
+        frameData.detections.push({
+          ...det,
+          type: det.type || det._detType,
+          detection_id: det.detection_id || det.id,
+          count: countCopy
+        });
       }
-      
-      const frameData = framesMap.get(frameId);
-      
-      // Update cumulative counts
-      const typeConfig = enabledTypes.find(t => t.id === det._detType);
-      if (typeConfig) {
-        currentCounts[typeConfig.frameCountKey] = (currentCounts[typeConfig.frameCountKey] || 0) + 1;
-      }
-      
-      const countCopy = { ...currentCounts };
-      
-      frameData.detections.push({
-        ...det,
-        type: det.type || det._detType,
-        detection_id: det.detection_id || det.id,
-        count: countCopy
-      });
     });
 
     return {