实例介绍
【实例简介】海康威视示例5-获取设备能力集
【实例截图】
【核心代码】
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.Diagnostics; using System.Runtime.InteropServices; namespace CapabilityCSharpDemo { public partial class FormCapability : Form { public Int32 m_lUserID = -1; private bool m_bInitSDK = false; private uint iLastErr = 0; private string strErr; private uint m_dwAbilityType = 0; private string xmlInput; public FormCapability() { InitializeComponent(); //SDK初始化 m_bInitSDK = CHCNetSDK.NET_DVR_Init(); if (m_bInitSDK == false) { MessageBox.Show("NET_DVR_Init error!"); return; } else { //保存SDK日志 To save the SDK log CHCNetSDK.NET_DVR_SetLogToFile(3, "C:\\SdkLog\\", true); } } private string GetErrorDescription(uint iErrCode) { string strDescription = ""; switch(iErrCode) { case 1000: strDescription = "设备不支持该能力节点的获取"; break; case 1001: strDescription = "输出内存不足"; break; case 1002: strDescription = "无法找到对应的本地xml"; break; case 1003: strDescription = "加载本地xml出错"; break; case 1004: strDescription = "设备能力数据格式错误"; break; case 1005: strDescription = "能力集类型错误"; break; case 1006: strDescription = "XML能力节点格式错误"; break; case 1007: strDescription = "输入的能力XML节点值错误"; break; case 1008: strDescription = "XML版本不匹配"; break; default: break; } return strDescription; } private void btnGet_Click(object sender, EventArgs e) { IntPtr pInBuf; Int32 nSize; if (xmlInput == null) { pInBuf = IntPtr.Zero; nSize = 0; } else { nSize = xmlInput.Length; pInBuf = Marshal.AllocHGlobal(nSize); pInBuf = Marshal.StringToHGlobalAnsi(xmlInput); } int XML_ABILITY_OUT_LEN = 3 * 1024 * 1024; IntPtr pOutBuf = Marshal.AllocHGlobal(XML_ABILITY_OUT_LEN); if (!CHCNetSDK.NET_DVR_GetDeviceAbility(m_lUserID, m_dwAbilityType, pInBuf, (uint)nSize, pOutBuf, (uint)XML_ABILITY_OUT_LEN)) { iLastErr = CHCNetSDK.NET_DVR_GetLastError(); strErr = "NET_DVR_GetDeviceAbility failed, error code= " iLastErr "\r\n" GetErrorDescription(iLastErr); //获取设备能力集失败,输出错误号 Failed to get the capability set and output the error code textBoxCapability.Text = strErr; } else { string strOutBuf = Marshal.PtrToStringAnsi(pOutBuf, XML_ABILITY_OUT_LEN); strOutBuf = strOutBuf.Replace(">\n<", ">\r\n<"); textBoxCapability.Text = strOutBuf; } Marshal.FreeHGlobal(pInBuf); Marshal.FreeHGlobal(pOutBuf); } private void FormCapability_Load(object sender, EventArgs e) { } private void btnLogin_Click(object sender, EventArgs e) { if (m_lUserID < 0) { string DVRIPAddress = textBoxIP.Text; Int16 DVRPortNumber = Int16.Parse(textBoxPort.Text); string DVRUserName = textBoxUserName.Text; string DVRPassword = textBoxPassword.Text; CHCNetSDK.NET_DVR_DEVICEINFO_V30 m_struDeviceInfo = new CHCNetSDK.NET_DVR_DEVICEINFO_V30(); m_lUserID = CHCNetSDK.NET_DVR_Login_V30(DVRIPAddress, DVRPortNumber, DVRUserName, DVRPassword, ref m_struDeviceInfo); if (m_lUserID == -1) { iLastErr = CHCNetSDK.NET_DVR_GetLastError(); strErr = "NET_DVR_Login_V30 failed, error code= " iLastErr; //登录失败,输出错误号 Failed to login and output the error code MessageBox.Show(strErr); return; } else { comboBoxCapability.SelectedIndex = 0; btnLogin.Text = "注销 Logout"; } } else { if (!CHCNetSDK.NET_DVR_Logout(m_lUserID)) { iLastErr = CHCNetSDK.NET_DVR_GetLastError(); strErr = "NET_DVR_Logout failed, error code= " iLastErr; //注销登录失败,输出错误号 Failed to logout and output the error code MessageBox.Show(strErr); } else { btnLogin.Text = "登录 Login"; m_lUserID = -1; comboBoxCapability.SelectedIndex = -1; comboBoxCapability.Text = ""; textBoxCapability.Text = ""; } } } private void comboBoxCapability_SelectedIndexChanged(object sender, EventArgs e) { switch (comboBoxCapability.SelectedIndex) { case 0: //软硬件能力 m_dwAbilityType = CHCNetSDK.DEVICE_SOFTHARDWARE_ABILITY; break; case 1: //Wifi能力 m_dwAbilityType = CHCNetSDK.DEVICE_NETWORK_ABILITY; break; case 2: //编码能力 m_dwAbilityType = CHCNetSDK.DEVICE_ENCODE_ALL_ABILITY_V20; xmlInput = "<AudioVideoCompressInfo><AudioChannelNumber>1</AudioChannelNumber><VoiceTalkChannelNumber>1</VoiceTalkChannelNumber><VideoChannelNumber>1</VideoChannelNumber></AudioVideoCompressInfo>"; break; case 3: //设备前端参数能力 m_dwAbilityType = CHCNetSDK.IPC_FRONT_PARAMETER_V20; xmlInput = "<CAMERAPARA><ChannelNumber>1</ChannelNumber></CAMERAPARA>"; break; case 4: //Raid能力 m_dwAbilityType = CHCNetSDK.DEVICE_RAID_ABILITY; break; case 5: //设备报警能力 m_dwAbilityType = CHCNetSDK.DEVICE_ALARM_ABILITY; xmlInput = "<AlarmAbility version='2.0'><channelID>1</channelID></AlarmAbility>"; break; case 6: //设备数字通道能力 m_dwAbilityType = CHCNetSDK.DEVICE_DYNCHAN_ABILITY; xmlInput = "<DynChannelAbility version='2.0'><channelNO>1</channelNO></DynChannelAbility>"; break; case 7: //设备用户管理参数能力 m_dwAbilityType = CHCNetSDK.DEVICE_USER_ABILITY; xmlInput = "<UserAbility version='2.0'/>"; break; case 8: //设备网络应用参数能力 m_dwAbilityType = CHCNetSDK.DEVICE_NETAPP_ABILITY; xmlInput = "<NetAppAbility version='2.0'></NetAppAbility>"; break; case 9: //设备图像参数能力 m_dwAbilityType = CHCNetSDK.DEVICE_VIDEOPIC_ABILITY; xmlInput = "<VideoPicAbility version='2.0'><channelNO>1</channelNO></VideoPicAbility>"; break; case 10: //设备JPEG抓图能力 m_dwAbilityType = CHCNetSDK.DEVICE_JPEG_CAP_ABILITY; xmlInput = "<JpegCaptureAbility version='2.0'><channelNO>1</channelNO></JpegCaptureAbility>"; break; case 11: //设备RS232和RS485串口能力 m_dwAbilityType = CHCNetSDK.DEVICE_SERIAL_ABILITY; xmlInput = "<SerialAbility version='2.0'/>"; break; case 12: //报警事件处理能力集 m_dwAbilityType = CHCNetSDK.DEVICE_ABILITY_INFO; xmlInput = "<EventAbility version='2.0'><channelNO>1</channelNO></EventAbility>"; break; default: m_dwAbilityType = 0; break; } textBoxCapability.Text = ""; } } }
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