Update app.py

app.py

@@ -445,9 +445,12 @@ def generate_video(gallery_images, mode, prompt, height, width,
 
 control_modes = """
 **3 control modes available:**
-- **Reference** Generate a video incorporating elements from input reference images
-- **First - Last Frame** Generate a video using first and last frame conditioning defined by input images
-- **Random Transitions** Generate a video with intermediate transitions between multiple input images
+
+**Reference** Generate a video incorporating elements from input reference images
+
+**First - Last Frame** Generate a video using first and last frame conditioning defined by input images
+
+**Random Transitions** Generate a video with intermediate transitions between multiple input images
 """
 
 with gr.Blocks() as demo:
@@ -480,9 +483,9 @@ with gr.Blocks() as demo:
             
             # Background removal checkbox moved here - right beneath control modes
             remove_bg_checkbox = gr.Checkbox(
-                label="Remove Background",
+                label="Remove Background (Reference mode only)",
                 value=False,
-                info="removes background from input images, enable to prevent unwanted background elements in the generated video"
+                info="Removes background from input images to prevent unwanted background elements in the generated video"
             )
             
             prompt_input = gr.Textbox(label="Prompt", value=MODE_PROMPTS["reference"])
@@ -490,7 +493,7 @@ with gr.Blocks() as demo:
                 minimum=round(MIN_FRAMES_MODEL/FIXED_FPS,1), 
                 maximum=round(MAX_FRAMES_MODEL/FIXED_FPS,1), 
                 step=0.1, 
-                value=2, 
+                value=2.8, 
                 label="Duration (seconds)", 
                 info=f"Clamped to model's {MIN_FRAMES_MODEL}-{MAX_FRAMES_MODEL} frames at {FIXED_FPS}fps."
             )
@@ -511,9 +514,25 @@ with gr.Blocks() as demo:
         with gr.Column():
             video_output = gr.Video(label="Generated Video", autoplay=True, interactive=False)
 
-    # Function to update checkbox visibility based on mode
+    # Function to update checkbox visibility and info based on mode
     def update_bg_removal_visibility(mode):
-        return gr.update(visible=(mode == "reference"))  # Updated to use new mode name
+        # Mode explanations from the markdown
+        mode_explanations = {
+            "reference": "Generate a video incorporating elements from input reference images",
+            "first - last frame": "Generate a video using first and last frame conditioning defined by input images", 
+            "random transitions": "Generate a video with intermediate transitions between multiple input images"
+        }
+        
+        if mode == "reference":
+            return gr.update(
+                visible=True,
+                info=f"{mode_explanations[mode]}. Remove background to prevent unwanted background elements in the generated video."
+            )
+        else:
+            return gr.update(
+                visible=False,
+                info=mode_explanations.get(mode, "")
+            )
     
     # Update prompt when mode changes
     mode_radio.change(