增加了帧实时预览功能

ui/CameraArea.py

@@ -7,6 +7,7 @@ import time
 import traceback
 import platform
 import cv2
+import subprocess
 
 import requests
 import wx
@@ -118,9 +119,11 @@ class CameraArea():
         self.frame.Bind(wx.EVT_BUTTON, lambda evt: self.disConnect(evt),
                         disConnectButton)
         playStreamVideoButton = wx.Button(ctrView, label="播放流地址", pos=(5, 95))
+        self.frame.Bind(wx.EVT_BUTTON, lambda evt: self.playFrame(evt),
+                        playStreamVideoButton)
         showFrameButton = wx.Button(ctrView, label="实时显示帧画面", pos=(120, 95))
         self.frame.Bind(wx.EVT_BUTTON, lambda evt: self.showFrame(evt), showFrameButton)
-        StopPlayStreamVideoButton = wx.Button(ctrView, label="停止播放", pos=(5, 125))
+        # StopPlayStreamVideoButton = wx.Button(ctrView, label="停止播放", pos=(5, 125))
         stopShowFrameButton = wx.Button(ctrView, label="停止显示帧画面", pos=(120, 125))
         self.frame.Bind(wx.EVT_BUTTON, lambda evt: self.stopShowFrame(evt), stopShowFrameButton)
 
@@ -157,11 +160,9 @@ class CameraArea():
         boxSizer_ctrArea.Add(ctrPanel,100, flag=wx.EXPAND | wx.ALL)
         ctrArea.SetSizer(boxSizer_ctrArea)
 
-
         boxSizer_bottom.Add(logArea,60,flag=wx.EXPAND | wx.ALL)
         boxSizer_bottom.Add(ctrArea, 40, flag=wx.EXPAND | wx.LEFT,border=10)
         bottomPanel.SetSizer(boxSizer_bottom)
-
         return  bottomPanel
 
     #################################################
@@ -223,7 +224,6 @@ class CameraArea():
         else:
             timeCur = self.getCurTime()
             self.logTextCtr.WriteText(timeCur + "已连网！\n")
-
     def doConnect(self):
         host = self.pushHostText.GetValue()
         port = self.pushPortText.GetValue()
@@ -364,7 +364,7 @@ class CameraArea():
     def showFrame(self,evt):
         sys.stdout = self.logTextCtr
         sys.stderr = self.logTextCtr
-        threadObj = threading.Thread(target=self.doShowFrame())
+        threadObj = threading.Thread(target=self.doShowFrame)
         threadObj.start()
     def doShowFrame(self):
         self.isShowFrame = 1
@@ -373,8 +373,8 @@ class CameraArea():
         res = requests.post(self.getGetPlayUrl, data=json.dumps({'devId': devId, 'chan': str(channel)})).text
         res = json.loads(res)
         pullUrl = res["data"]["url"]
-        cap = cv2.VideoCapture(pullUrl)
         try:
+            cap = cv2.VideoCapture(pullUrl)
             timeCur = self.getCurTime()
             self.logTextCtr.WriteText(timeCur + "帧预览开始！\n")
             while (cap.isOpened()):
@@ -399,7 +399,7 @@ class CameraArea():
     def stopShowFrame(self,evt):
         sys.stdout = self.logTextCtr
         sys.stderr = self.logTextCtr
-        threadObj = threading.Thread(target=self.stopDoShowFrame())
+        threadObj = threading.Thread(target=self.stopDoShowFrame)
         threadObj.start()
     def stopDoShowFrame(self):
         self.isShowFrame = 0
@@ -407,6 +407,19 @@ class CameraArea():
     ####################################################
     #      播放视频地址
     ###################################################
-    def playFrame(self):
-        pass
+    def playFrame(self,evt):
+        sys.stdout = self.logTextCtr
+        sys.stderr = self.logTextCtr
+        threadObj = threading.Thread(target=self.doPlayFrame)
+        threadObj.start()
+        timeCur = self.getCurTime()
+        self.logTextCtr.WriteText(timeCur + "开始播放视频！\n")
+    def doPlayFrame(self):
+        devId = self.devIdText.GetValue()
+        channel = self.channelText.GetValue()
+        res = requests.post(self.getGetPlayUrl, data=json.dumps({'devId': devId, 'chan': str(channel)})).text
+        res = json.loads(res)
+        url = res["data"]["url"]
+        m_command = ["ffplay.exe", url]
+        subprocess.run(m_command)