change examples, limit video length

app.py

@@ -264,6 +264,31 @@ def init_video_session(GLOBAL_STATE: gr.State, video: str | dict) -> tuple[AppSt
     if len(frames) == 0:
         raise gr.Error("No frames could be loaded from the video.")
 
+    # Enforce max duration of 8 seconds (trim if longer)
+    MAX_SECONDS = 8.0
+    trimmed_note = ""
+    fps_in = None
+    if isinstance(info, dict) and info.get("fps"):
+        try:
+            fps_in = float(info["fps"]) or None
+        except Exception:
+            fps_in = None
+    if fps_in is not None:
+        max_frames_allowed = int(MAX_SECONDS * fps_in)
+        if len(frames) > max_frames_allowed:
+            frames = frames[:max_frames_allowed]
+            trimmed_note = f" (trimmed to {int(MAX_SECONDS)}s = {len(frames)} frames)"
+            if isinstance(info, dict):
+                info["num_frames"] = len(frames)
+    else:
+        # Fallback when FPS unknown: assume ~30 FPS and cap to 240 frames (~8s)
+        max_frames_allowed = 240
+        if len(frames) > max_frames_allowed:
+            frames = frames[:max_frames_allowed]
+            trimmed_note = " (trimmed to 240 frames ~8s @30fps)"
+            if isinstance(info, dict):
+                info["num_frames"] = len(frames)
+
     GLOBAL_STATE.video_frames = frames
     # Try to capture original FPS if provided by loader
     GLOBAL_STATE.video_fps = None
@@ -285,7 +310,8 @@ def init_video_session(GLOBAL_STATE: gr.State, video: str | dict) -> tuple[AppSt
     first_frame = frames[0]
     max_idx = len(frames) - 1
     status = (
-        f"Loaded {len(frames)} frames @ {GLOBAL_STATE.video_fps or 'unknown'} fps. Device: {device}, dtype: bfloat16"
+        f"Loaded {len(frames)} frames @ {GLOBAL_STATE.video_fps or 'unknown'} fps{trimmed_note}. "
+        f"Device: {device}, dtype: bfloat16"
     )
     return GLOBAL_STATE, 0, max_idx, first_frame, status
 
@@ -650,10 +676,9 @@ with gr.Blocks(title="SAM2 Video (Transformers) - Interactive Segmentation", the
     # (moved) Examples are defined above the render button
     # Each example row must match the number of inputs (GLOBAL_STATE, video_in)
     examples_list = [
-        [None, "./tennis.mp4"],
-        [None, "./football.mp4"],
-        [None, "./basket.mp4"],
-        [None, "./hurdles.mp4"],
+        [None, "./deers.mp4"],
+        [None, "./penguins.mp4"],
+        [None, "./foot.mp4"],
     ]
     with gr.Row():
         gr.Examples(