Update app.py

app.py

@@ -30,12 +30,15 @@ def process_video(video_path, frame_difference, brightness_value):
 
     cap.release()
 
+    # Calculate number of frames to process (Original length minus frame difference)
+    num_frames = len(frames) - frame_difference
+    num_frames = max(num_frames, 0)  # Ensure non-negative
+
     # Process video by applying frame difference and overlaying
-    num_frames = len(frames)
     for i in range(num_frames):
         # Get the original and shifted frames
         orig_frame = frames[i][0]
-        shifted_index = (i + frame_difference) % num_frames
+        shifted_index = (i + frame_difference) % len(frames)
         shifted_frame = frames[shifted_index][1]  # Use the inverted frame of shifted frame
 
         # Overlay the frames with 50% opacity
@@ -56,8 +59,8 @@ iface = gr.Interface(
     fn=process_video,
     inputs=[
         gr.Video(label="Input Video"),  # Video input
-        gr.Slider(0, 50, value=1, label="Frame Difference"),  # Frame difference input
-        gr.Slider(0.0, 1.0, value=1.0, label="Brightness Adjustment"),  # Brightness adjustment input
+        gr.Slider(0, 50, step=1, value=1, label="Frame Difference (Integer)"),  # Integer Frame difference input
+        gr.Slider(0.0, 2.0, value=1.0, step=0.1, label="Brightness Adjustment (0.0 to 2.0)"),  # Brightness adjustment input
     ],
     outputs=gr.Video(label="Output Video"),  # Video output
     title="Motion Amplification with Frame Difference"