diff --git a/.gitignore b/.gitignore
index 6417a78..ee1c55b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -171,3 +171,6 @@ cython_debug/
 **/*.pyc
 *.json
 __pycache__
+controller.log.*
+tinychat/serve/gradio_web_server.log.*
+tinychat/serve/model_worker_*
diff --git a/tinychat/serve/gradio_web_server.py b/tinychat/serve/gradio_web_server.py
index c5f5dab..e7230d5 100644
--- a/tinychat/serve/gradio_web_server.py
+++ b/tinychat/serve/gradio_web_server.py
@@ -199,17 +199,69 @@ def clear_after_click_example_3_image_icl(imagebox, imagebox_2, imagebox_3, text
 
 
 def add_images(
-    state, imagebox, imagebox_2, imagebox_3, image_process_mode, request: gr.Request
+    state, imagebox, imagebox_2, imagebox_3, videobox, image_process_mode, request: gr.Request
 ):
     if state.image_loaded:
         # return (state,) + (None,) * IMAGE_BOX_NUM
         return state
+    
+    def extract_frames(video_path):
+        import cv2
+        from PIL import Image
+        vidcap = cv2.VideoCapture(video_path)
+        fps = vidcap.get(cv2.CAP_PROP_FPS)
+        frame_count = int(vidcap.get(cv2.CAP_PROP_FRAME_COUNT))
+        duration = frame_count / fps
+
+        frame_interval = frame_count // 10
+        print("duration:", duration, "frames:", frame_count, "intervals:", frame_interval)
+        # frame_interval = 10
+        
+        def get_frame(max_frames):
+            # frame_id = int(fps * stamp)
+            # vidcap.set(cv2.CAP_PROP_POS_FRAMES, frame_id)
+            # ret, frame = vidcap.read()
+            images = []
+            count = 0 
+            success = True
+            while success:
+                success, frame = vidcap.read()
+                if count % frame_interval:
+                    img = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
+                    im_pil = Image.fromarray(img)
+                    images.append(im_pil)
+                    if len(images) == max_frames:
+                        return images
+                    
+                count += 1
+            # assert ret, "videocap.read fails!"
+            # img = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
+            # im_pil = Image.fromarray(img)
+            # print(f"loading {stamp} success")
+            return images
+        
+        # return [get_frame(0), get_frame(stamp1), get_frame(stamp2)]
+        # img = get_frame(0)
+        # img1 = get_frame(frame_interval * 1)
+        # return [img, img1, img, img1, img, img1,]
+        return get_frame(8)
+    
+    frames = [None, ]
+    if videobox is not None:
+        frames = extract_frames(videobox)
+        # add frames as regular images
+        logger.info(f"Got videobox: {videobox}.")
+    
     logger.info(f"add_image. ip: {request.client.host}.")
+    image_list = [imagebox, imagebox_2, imagebox_3, *frames]
+    logger.info(f"image_list: {image_list}")
+
     im_count = 0
-    for image in [imagebox, imagebox_2, imagebox_3]:
+    for image in image_list:
         if image is not None:
             im_count += 1
-    for image in [imagebox, imagebox_2, imagebox_3]:
+            
+    for image in image_list:
         if image is not None:
             if args.auto_pad_image_token or im_count == 1:
                 text = (AUTO_FILL_IM_TOKEN_HOLDER, image, image_process_mode)
@@ -222,6 +274,7 @@ def add_images(
             # state.append_message(state.roles[0], text)
             # state.append_message(state.roles[1], None)
     # state.skip_next = False
+    logger.info(f"im_count {im_count}. ip: {request.client.host}.")
     state.image_loaded = True
     # return (state,) + (None,) * IMAGE_BOX_NUM
     return state
@@ -564,6 +617,7 @@ def build_demo(embed_mode):
                     imagebox = gr.Image(type="pil")
                     imagebox_2 = gr.Image(type="pil")
                     imagebox_3 = gr.Image(type="pil")
+                    videobox = gr.Video(label="1 video = 8 frames")
                 image_process_mode = gr.Radio(
                     ["Crop", "Resize", "Pad", "Default"],
                     value="Default",
@@ -841,7 +895,7 @@ def build_demo(embed_mode):
             clear_text_history, [state, prompt_style_btn], [state, chatbot], queue=False
         ).then(
             add_images,
-            [state, imagebox, imagebox_2, imagebox_3, image_process_mode],
+            [state, imagebox, imagebox_2, imagebox_3, videobox, image_process_mode],
             [state],
             queue=False,
         ).then(
@@ -863,7 +917,7 @@ def build_demo(embed_mode):
             clear_text_history, [state, prompt_style_btn], [state, chatbot], queue=False
         ).then(
             add_images,
-            [state, imagebox, imagebox_2, imagebox_3, image_process_mode],
+            [state, imagebox, imagebox_2, imagebox_3, videobox, image_process_mode],
             [state],
             queue=False,
         ).then(
diff --git a/tinychat/utils/constants.py b/tinychat/utils/constants.py
index 6920e88..350b66b 100644
--- a/tinychat/utils/constants.py
+++ b/tinychat/utils/constants.py
@@ -3,7 +3,7 @@
 
 def init():
     global max_seq_len, max_batch_size, llama_multiple_of, mem_efficient_load
-    max_seq_len = 2048
+    max_seq_len = 5120
     max_batch_size = 1
     llama_multiple_of = 256
     mem_efficient_load = False  # Whether to load the checkpoint in a layer-wise manner. Activate this if you are facing OOM issues on edge devices (e.g., Jetson Orin).