Fix import error in app_gradio.py

app_gradio.py

@@ -7,13 +7,11 @@ from pathlib import Path
 # Add project root to path
 sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
 
-from detect_sync import detect_offset_correlation
-from SyncNetInstance_FCN import SyncNetInstance as SyncNetInstanceFCN
+from detect_sync import load_model, detect_offset
 
 # Initialize model
 print("Loading FCN-SyncNet model...")
-fcn_model = SyncNetInstanceFCN()
-fcn_model.loadParameters("checkpoints/syncnet_fcn_epoch2.pth")
+fcn_model = load_model("checkpoints/syncnet_fcn_epoch2.pth")
 print("Model loaded successfully!")
 
 def analyze_video(video_file):
@@ -32,14 +30,12 @@ def analyze_video(video_file):
         
         print(f"Processing video: {video_file}")
         
-        # Detect offset using correlation method with calibration
-        offset, conf, min_dist = detect_offset_correlation(
-            video_file, 
-            fcn_model,
-            calibration_offset=3,
-            calibration_scale=-0.5,
-            calibration_baseline=-15
-        )
+        # Detect offset
+        result = detect_offset(fcn_model, video_file, verbose=True)
+        
+        offset = result['offset_frames']
+        conf = result['confidence']
+        proc_time = result['processing_time']
         
         # Interpret results
         if offset > 0:
@@ -66,7 +62,7 @@ def analyze_video(video_file):
             conf_text = "Low"
             conf_emoji = "🔴"
         
-        result = f"""
+        result_text = f"""
 ## 📊 Sync Detection Results
 
 ### {sync_status}
@@ -79,7 +75,7 @@ def analyze_video(video_file):
 
 - **Offset:** {offset} frames
 - **Confidence:** {conf_emoji} {conf:.2%} ({conf_text})
-- **Min Distance:** {min_dist:.4f}
+- **Processing Time:** {proc_time:.2f}s
 
 ---
 
@@ -98,7 +94,7 @@ def analyze_video(video_file):
 - **Calibration:** Applied (offset=3, scale=-0.5, baseline=-15)
         """
         
-        return result
+        return result_text
         
     except Exception as e:
         return f"❌ Error processing video: {str(e)}\n\nPlease ensure the video has both audio and video tracks."