Update app.py

app.py

@@ -427,6 +427,8 @@ class LTX23UnifiedPipeline:
         """
         assert_resolution(height=height, width=width, is_two_stage=True)
 
+        prompt += " synchronized lipsync"
+        
         has_audio = audio_path is not None
         has_video_cond = bool(video_conditioning)
 
@@ -919,14 +921,14 @@ def generate_video(
     input_audio,
     prompt: str,
     duration: float,
-    conditioning_strength: float,
-    video_preprocess: str,
+    conditioning_strength: float, 
     enhance_prompt: bool,
     use_video_audio: bool,
     seed: int,
     randomize_seed: bool,
     height: int,
     width: int,
+    video_preprocess: str ="Pose (DWPose)",
     progress=gr.Progress(track_tqdm=True),
 ):
     try:
@@ -1217,6 +1219,54 @@ with gr.Blocks(title="LTX 2.3 Sync", css=css, theme=purple_citrus) as demo:
         with gr.Column(scale=1):
             output_video = gr.Video(label="Result", autoplay=True, height=480)
 
+    gr.Examples(
+        examples=[
+            [
+                ".jpg",
+                "video.mp4",
+                None,
+                "",
+                3.4,
+                0.85,
+                False,
+                True,
+                1824535108,
+                False,
+                768,
+                512,
+            ],
+            [
+                ".jpg",
+                "video.mp4",
+                None,
+                "a man speaking while making hand gestures",
+                3.5,
+                0.9,
+                False,
+                True,
+                1723325627,
+                False,
+                768,
+                512,
+            ],
+        ],
+        inputs=[
+            input_image,
+            input_video,
+            input_audio,
+            prompt,
+            duration,
+            conditioning_strength,
+            video_preprocess,
+            enhance_prompt,
+            use_video_audio,
+            seed,
+            randomize_seed,
+            height,
+            width,
+        ],
+    )
+
     # ── Event handlers ───────────────────────────────────────────────────
     input_image.change(
         fn=on_image_upload,