Update app.py

app.py

@@ -1,7 +1,25 @@
 import gradio as gr
+import cv2
 
-def greet(name):
-    return "Hello " + name + "!!"
+def process_video(video):
+    # 打开视频文件
+    cap = cv2.VideoCapture(video)
+    # 创建一个 VideoWriter 对象以保存处理后的视频
+    fourcc = cv2.VideoWriter_fourcc(*'mp4v')
+    out = cv2.VideoWriter('output.mp4', fourcc, 20.0, (int(cap.get(3)), int(cap.get(4))))
 
-demo = gr.Interface(fn=greet, inputs="video", outputs="video")
-demo.launch()
+    while cap.isOpened():
+        ret, frame = cap.read()
+        if not ret:
+            break
+        # 处理帧，例如将其转换为灰度
+        gray_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
+        # 将处理后的帧写入输出视频
+        out.write(cv2.cvtColor(gray_frame, cv2.COLOR_GRAY2BGR))
+    
+    cap.release()
+    out.release()
+    return 'output.mp4'
+
+demo = gr.Interface(fn=process_video, inputs="video", outputs="video")
+demo.launch()