select template frame

app.py

@@ -3,18 +3,28 @@ from demo import automask_image_app, automask_video_app, sahi_autoseg_app
 import argparse
 import cv2
 import time   
-def pause_video():
+from PIL import Image
-    print(time.time())
+import numpy as np
-def play_video():
+def pause_video(play_state):
-    print("play video")
+    print("user pause_video")
-    print(time.time)
+    play_state.append(time.time())
+    return play_state
 
-def get_frames_from_video(video_path, timestamp):
+def play_video(play_state):
+    print("user play_video")
+    play_state.append(time.time())
+    return play_state
+
+def get_frames_from_video(video_input, play_state):
     """
+    Args:
         video_path:str
         timestamp:float64
-        return [[0:nearest_frame-1], [nearest_frame+1], nearest_frame]
+    Return 
+        [[0:nearest_frame-1], [nearest_frame+1], nearest_frame]
     """
+    video_path = video_input
+    timestamp = play_state[1] - play_state[0]
     frames = []
     try:
         cap = cv2.VideoCapture(video_path)
@@ -28,51 +38,43 @@ def get_frames_from_video(video_path, timestamp):
     except (OSError, TypeError, ValueError, KeyError, SyntaxError) as e:
         print("read_frame_source:{} error. {}\n".format(video_path, str(e)))
 
+    for frame in frames:
+        frame = Image.fromarray(cv2.cvtColor(frame, cv2.COLOR_BGR2RGB))
+    
     key_frame_index = int(timestamp * fps)
     nearest_frame = frames[key_frame_index]
     frames = [frames[:key_frame_index], frames[key_frame_index:], nearest_frame]
-    return frames
+    return frames, nearest_frame
 
 
 with gr.Blocks() as iface:
+    state = gr.State([])
+    play_state = gr.State([])
+    video_state = gr.State([[],[],[]])
+
     with gr.Row():
         with gr.Column(scale=1.0):
-            seg_automask_video_file = gr.Video().style(height=720)
+            video_input = gr.Video().style(height=720)
-            seg_automask_video_file.play(fn=play_video)
+
-            seg_automask_video_file.pause(fn=pause_video)
+            # listen to the user action for play and pause input video
+            video_input.play(fn=play_video, inputs=play_state, outputs=play_state)
+            video_input.pause(fn=pause_video, inputs=play_state, outputs=play_state)
+          
             with gr.Row():
-                with gr.Column():
-                    seg_automask_video_model_type = gr.Dropdown(
-                        choices=[
-                            "vit_h",
-                            "vit_l",
-                            "vit_b",
-                        ],
-                        value="vit_l",
-                        label="Model Type",
-                    )
-                    seg_automask_video_min_area = gr.Number(
-                        value=1000,
-                        label="Min Area",
-                    )
 
                 with gr.Row():
                     with gr.Column():
-                        seg_automask_video_points_per_side = gr.Slider(
+                        template_frame = gr.Image(type="pil", interactive=True, elem_id="template_frame")
-                            minimum=0,
+                        with gr.Column():
-                            maximum=32,
+                            template_select_button = gr.Button(value="Template select", interactive=True, variant="primary")
-                            step=2,
-                            value=16,
-                            label="Points per Side",
-                        )
 
-                        seg_automask_video_points_per_batch = gr.Slider(
+                        # seg_automask_video_points_per_batch = gr.Slider(
-                            minimum=0,
+                        #     minimum=0,
-                            maximum=64,
+                        #     maximum=64,
-                            step=2,
+                        #     step=2,
-                            value=64,
+                        #     value=64,
-                            label="Points per Batch",
+                        #     label="Points per Batch",
-                        )
+                        # )
 
             seg_automask_video_predict = gr.Button(value="Generator")
     
@@ -99,6 +101,14 @@ with gr.Blocks() as iface:
     #     ],
     #     outputs=[output_video],
     # )
+    template_select_button.click(
+        fn=get_frames_from_video,
+        inputs=[
+            video_input, 
+            play_state
+        ],
+        outputs=[video_state, template_frame],
+    )
 
 iface.queue(concurrency_count=1)
 iface.launch(debug=True, enable_queue=True, server_port=12212, server_name="0.0.0.0")