class CameraDevice(Device):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.playId = C_LLONG()
self.m_RealDataCallBack = fRealDataCallBackEx2(self.realDataCallback)
self.onRealData = Observable()
self.onRealPlay = Observable()
self.onRealStop = Observable()
def realPlay(self):
if not self.playId:
streamtype = SDK_RealPlayType.Realplay if self.streamtype == 0 else SDK_RealPlayType.Realplay_1
self.playId = self.client.RealPlayEx(self.loginId, self.channel, 0,
streamtype)
if self.playId != 0:
self.client.SetRealDataCallBackEx2(self.playId,
self.m_RealDataCallBack,
None,
EM_REALDATA_FLAG.RAW_DATA)
self.onRealPlay.notify()
return True
else:
msg = self.client.GetLastErrorMessage()
self.onError.notify("实时监视失败(RealPlay fail). " + msg)
return False
def realStop(self):
if self.playId:
self.client.StopRealPlayEx(self.playId)
self.playId = 0
self.onRealStop.notify()
# 拉流回调函数功能
def realDataCallback(self, lRealHandle, dwDataType, pBuffer, dwBufSize,
param, dwUser):
if lRealHandle == self.playId:
if dwDataType == 0:
self.onRealData.notify(dwBufSize)
# print("码流大小(Stream size):" + str(dwBufSize) + ". 码流类型:原始未加密码流(Stream type:original unencrypted stream)")
pass
def dispose(self):
self.playId = 0
super().dispose()
self.onRealData.dispose()
self.onRealPlay.dispose()
self.onRealStop.dispose()
self.client.Cleanup()
class Device:
def __init__(self,
ip='0.0.0.0',
port=0,
username='',
password='',
autoReconnect=True):
self.loginId = C_LLONG()
self.client = NetClient()
self.client.InitEx(fDisConnect(self.disconnectCallback))
autoReconnect and self.client.SetAutoReconnect(
fHaveReConnect(self.reconnectCallback))
self.clientInfo = None
self.ip = ip
self.port = port
self.username = username
self.password = password
## 通道(channel)
self.channel = 0
## 码流类型(0:主码流; 1:辅码流)
self.streamtype = 0
self.onConnect = Observable()
self.onDisconnect = Observable()
self.onReconnect = Observable()
self.onError = Observable()
def login(self):
print('LOGIN[{}]: {}:{}@{}:{}'.format(self.loginId, self.username,
self.password, self.ip,
self.port))
stuInParam = NET_IN_LOGIN_WITH_HIGHLEVEL_SECURITY()
stuInParam.dwSize = sizeof(NET_IN_LOGIN_WITH_HIGHLEVEL_SECURITY)
stuInParam.szIP = self.ip.encode()
stuInParam.nPort = self.port
stuInParam.szUserName = self.username.encode()
stuInParam.szPassword = self.password.encode()
stuInParam.emSpecCap = EM_LOGIN_SPAC_CAP_TYPE.TCP
stuInParam.pCapParam = None
stuOutParam = NET_OUT_LOGIN_WITH_HIGHLEVEL_SECURITY()
stuOutParam.dwSize = sizeof(NET_OUT_LOGIN_WITH_HIGHLEVEL_SECURITY)
self.loginId, self.clientInfo, errorMsg = self.client.LoginWithHighLevelSecurity(
stuInParam, stuOutParam)
if self.loginId != 0:
print('Login Succeed')
self.connectCallback()
return True
else:
self.errorCallback(errorMsg)
return False
def logout(self):
if self.loginId:
res = self.client.Logout(self.loginId)
if res: self.disconnectCallback()
return res or 0
def connectCallback(self):
self.onConnect.notify(None)
def disconnectCallback(self):
self.onDisconnect.notify(None)
def reconnectCallback(self):
self.onReconnect.notify(None)
def errorCallback(self, msg):
self.onError.notify(msg)
def dispose(self):
self.loginId = 0
self.clientInfo = None
self.onConnect.dispose()
self.onDisconnect.dispose()
self.onReconnect.dispose()
