update

video_task.py

@@ -1,3 +1,6 @@
+import time
+
+import requests
 import websockets
 import asyncio
 import json
@@ -40,7 +43,7 @@ class MQTTClient:
 
 async def close(username, device):
     # 倒计时600秒
-    await asyncio.sleep(30)
+    await asyncio.sleep(3)
     print(username + "结束推流")
     user_sched.pop(username)
     close_stream(username, device)
@@ -57,7 +60,36 @@ async def start(username, device):
         # 如果定时任务不存在，那么直接进行推流。当用户退出界面时，创建任务
         if username not in user_sched:
             print(username + "开始推流")
+            res = requests.get(rtsp_MediaInfo + device)
+            if res.status_code != 200:
+                return BaseResponse(code=500, msg="ZLMediakit Server Error!").json()
+            # 转换为json
+            res = res.json()
+            if 'code' in res and res['code'] == 0:
+                return BaseResponse(code=200, msg=username + ",Do not repeat the push stream").json()
+            # 开始推流
+            get_times = 50
+            # 启动推流程序
             push_stream(username, device)
+            # 查看请求 ，ZLMediakit是否已经生成了mp4文件,生成了就给前端返回
+            while True:
+                res = requests.get(rtsp_MediaInfo + device)
+                if res.status_code != 200:
+                    return BaseResponse(code=200, msg="ZLMediakit Server Error!").json()
+                # 转换为json
+                res = res.json()
+                if 'code' in res and res['code'] == 0:
+                    # code == 0 说明已经启动成功
+                    break
+                # 如果都没有code，那就出错了
+                if 'code' not in res:
+                    return BaseResponse(code=500, msg="ZLMediakit Server Error!").json()
+                get_times -= 1
+                if get_times == 0:
+                    # 请求次数达到50次就退了吧
+                    break
+                await asyncio.sleep(1)
+            return BaseResponse(code=200, msg="success").json()
         # 如果定时任务存在，那么取消上次的任务。当用户退出界面时，创建任务
         else:
             t = user_sched[username]
@@ -66,6 +98,8 @@ async def start(username, device):
                 print(username + "取消定时任务")
                 t.cancel()
                 return BaseResponse(code=200, msg="success").json()
+            else:
+                BaseResponse(code=500, msg="Internal Error").json()
     except Exception as e:
         return BaseResponse(code=500, msg=str(e)).json()
 
@@ -95,7 +129,6 @@ async def function_A(client, data):
     data = json.loads(data)
     username = data['username']
     device = data['device']
-    # print("A", username, device)
     return await start(username, device)
 
 
@@ -104,7 +137,6 @@ async def function_B(client, data):
     data = json.loads(data)
     username = data['username']
     device = data['device']
-    # print("B", username, device)
     print(f"{client}的连接已断开")
     await stop(username, device)
 
@@ -183,11 +215,8 @@ async def handler(websocket, path):
                 continue
             # 如果该用户的场景没有开启，那么进行开启
             the_user_scene.turn_on()
-            await websocket.send(
-                json.dumps({"code": 200, "msg": the_user_scene.user + "开启场景" + the_user_scene.name},
-                           ensure_ascii=False))
-            # 当接收到消息时调用函数A
             response = await function_A(websocket, message)
+            # 当接收到消息时调用函数A
             await websocket.send(response)
         # 没有消息了，则首先关闭该用户的场景
         if the_user_scene is not None:
@@ -198,8 +227,7 @@ async def handler(websocket, path):
                 print("关闭场景" + the_user_scene.name)
                 await function_B(websocket, user_msg[websocket])
     except Exception as e:
-        print(e)
-        pass
+        print("异常", e)
         # # 没有消息了，则首先关闭该用户的场景
         if the_user_scene is not None:
             the_user_scene.turn_off()
@@ -213,6 +241,7 @@ async def handler(websocket, path):
 if __name__ == '__main__':
     broker = 'mqtt.lihaink.cn'
     port = 1883
+    rtsp_MediaInfo = "http://rtsp.lihaink.cn/index/api/getMediaInfo?secret=YwDtp2llj80HA19JhMXL4Po99nsMAyNT&schema=rtsp&vhost=__defaultVhost__&app=live&stream="
     SCENE_NAME = "scene"
     user_sched = {}
     user_msg = {}