Update app.py

app.py

@@ -224,11 +224,8 @@ def sample_frames(video_path, frame_count=32):
 
     for i in range(0, total_frames, frame_interval):
         frame = vr[i].asnumpy()
-        frame_image = Image.fromarray(frame)
-        buffered = io.BytesIO()
-        frame_image.save(buffered, format="JPEG")
-        frame_base64 = base64.b64encode(buffered.getvalue()).decode("utf-8")
-        video_frames.append(frame_base64)
+        frame_image = Image.fromarray(frame)  # Convert to PIL.Image
+        video_frames.append(frame_image)
         if len(video_frames) >= frame_count:
             break
 
@@ -236,11 +233,8 @@ def sample_frames(video_path, frame_count=32):
     if len(video_frames) < frame_count and total_frames > 0:
         for i in range(total_frames):
             frame = vr[i].asnumpy()
-            frame_image = Image.fromarray(frame)
-            buffered = io.BytesIO()
-            frame_image.save(buffered, format="JPEG")
-            frame_base64 = base64.b64encode(buffered.getvalue()).decode("utf-8")
-            video_frames.append(frame_base64)
+            frame_image = Image.fromarray(frame)  # Convert to PIL.Image
+            video_frames.append(frame_image)
             if len(video_frames) >= frame_count:
                 break