using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading.Tasks;
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using NetSDKCS; // SNAP
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namespace HH.WCS.Mobox3.AnGang.device {
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public class SnapDevice {
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private IntPtr _LoginID = IntPtr.Zero;
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private IntPtr _PlayID = IntPtr.Zero;
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//private fSnapRevCallBack _SnapRevCallBack;
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private NET_DEVICEINFO_Ex _DeviceInfo = new NET_DEVICEINFO_Ex(); // SNAP
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private bool _IsSpanCapture = false;
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//private List<int> _channalList = new List<int>();
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private int _channalMax = 0;
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public SnapDevice() {
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try {
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//_SnapRevCallBack = new fSnapRevCallBack(SnapRevCallBack);
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NETClient.Init(null, IntPtr.Zero, null); // SNAP
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//NETClient.SetSnapRevCallBack(_SnapRevCallBack, IntPtr.Zero);
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}
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catch (Exception ex) {
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LogHelper.Info($"发生了异常：{ex.Message}");
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}
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}
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~SnapDevice() {
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NETClient.Cleanup(); // SNAP
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}
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// SNAP
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public void LoadInfo(Config.Snap snap) {
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LoadInfo(snap.Ip, snap.Port, snap.Name, snap.Pwd);
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}
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public void LoadInfo(string ip, int port, string name, string pwd) {
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if (IntPtr.Zero == _LoginID) {
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ushort uPort = 0;
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try {
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uPort = Convert.ToUInt16(port);
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}
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catch {
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LogHelper.Info("加载Snap：端口号格式错误");
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return;
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}
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_LoginID = NETClient.LoginWithHighLevelSecurity(ip, uPort, name, pwd, EM_LOGIN_SPAC_CAP_TYPE.TCP, IntPtr.Zero, ref _DeviceInfo);
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if (IntPtr.Zero == _LoginID) {
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LogHelper.Info("相机初始化错误：" + NETClient.GetLastError());
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return;
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}
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//_channalList.Clear();
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//for (int i = 0; i < _DeviceInfo.nChanNum; i++) {
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// _channalList.Add(i + 1);
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//}
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_channalMax = _DeviceInfo.nChanNum;
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}
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else {
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NETClient.Logout(_LoginID);
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_LoginID = IntPtr.Zero;
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if (_IsSpanCapture) {
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_IsSpanCapture = false;
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}
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}
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}
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public bool SnapPictureToFileOK(ref string filePath, int channelIndex = 0) {
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if (channelIndex >= _channalMax) {
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LogHelper.Info($"通道数 '{channelIndex}' 超出通道总数 '{_channalMax}'");
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//filePath = string.Empty;
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return false;
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}
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//DateTime now = DateTime.Now;
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//string path = AppDomain.CurrentDomain.BaseDirectory + "image";
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//string fileName = string.Format("{0}{1}{2}{3}{4}{5}", now.Year, now.Month, now.Day, now.Hour, now.Minute, now.Second) + ".jpg";
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//filePath = path + "\\" + fileName;
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NET_SNAP_PARAMS asyncSnap = new NET_SNAP_PARAMS();
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//asyncSnap.Channel = (uint)this._channalList[channelIndex];
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asyncSnap.Channel = (uint)channelIndex;
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asyncSnap.Quality = 6;
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asyncSnap.ImageSize = 2;
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asyncSnap.mode = 0;
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asyncSnap.InterSnap = 0;
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NET_IN_SNAP_PIC_TO_FILE_PARAM inParam = new NET_IN_SNAP_PIC_TO_FILE_PARAM {
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dwSize = (uint)Marshal.SizeOf(typeof(NET_IN_SNAP_PIC_TO_FILE_PARAM)),
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stuParam = asyncSnap,
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szFilePath = filePath,
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};
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NET_OUT_SNAP_PIC_TO_FILE_PARAM outParam = new NET_OUT_SNAP_PIC_TO_FILE_PARAM() {
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dwSize = (uint)Marshal.SizeOf(typeof(NET_OUT_SNAP_PIC_TO_FILE_PARAM)),
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dwPicBufLen = 1024000,
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szPicBuf = Marshal.AllocHGlobal(1024000),
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};
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bool ret = NETClient.SnapPictureToFile(_LoginID, ref inParam, ref outParam, 1000);
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if (!ret) {
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LogHelper.Info("抓图失败");
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}
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return ret;
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}
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public bool SnapPictureOk(int channelIndex = 0) {
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if (channelIndex >= _channalMax) {
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LogHelper.Info($"通道数 '{channelIndex}' 超出通道总数 '{_channalMax}'");
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return false;
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}
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NET_SNAP_PARAMS asyncSnap = new NET_SNAP_PARAMS();
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//asyncSnap.Channel = (uint)this._channalList[channelIndex];
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asyncSnap.Channel = (uint)channelIndex;
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asyncSnap.Quality = 6;
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asyncSnap.ImageSize = 2;
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asyncSnap.mode = 0;
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asyncSnap.InterSnap = 0;
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bool ret = NETClient.SnapPictureEx(_LoginID, asyncSnap, IntPtr.Zero);
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if (!ret) {
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LogHelper.Info(NETClient.GetLastError());
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return false;
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}
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return true;
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}
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private void SnapRevCallBack(IntPtr lLoginID, IntPtr pBuf, uint RevLen, uint EncodeType, uint CmdSerial, IntPtr dwUser) {
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string path = AppDomain.CurrentDomain.BaseDirectory + "image";
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if (!Directory.Exists(path)) {
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Directory.CreateDirectory(path);
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}
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if (EncodeType == 10) //.jpg
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{
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DateTime now = DateTime.Now;
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string fileName = string.Format("{0}-{1}-{2}-{3}-{4}-{5}", now.Year, now.Month, now.Day, now.Hour, now.Minute, now.Second) + ".jpg";
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string filePath = path + "\\" + fileName;
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byte[] data = new byte[RevLen];
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Marshal.Copy(pBuf, data, 0, (int)RevLen);
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try {
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//when the file is operate by local capture will throw expection.
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using (FileStream stream = new FileStream(filePath, FileMode.OpenOrCreate)) {
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stream.Write(data, 0, (int)RevLen);
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stream.Flush();
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stream.Dispose();
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}
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}
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catch (Exception ex) {
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LogHelper.Info($"发生了异常：{ex.Message}");
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return;
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}
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// 替代Demo程序的Frame图片展示
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LogHelper.Info($"保存图片到：{filePath}");
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Process.Start(filePath);
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}
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}
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public string GetCapturePictureLocalPath() {
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string path = AppDomain.CurrentDomain.BaseDirectory + "image";
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if (!Directory.Exists(path)) {
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Directory.CreateDirectory(path);
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}
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DateTime now = DateTime.Now;
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string filePath = path + "\\" + string.Format("{0}-{1}-{2}-{3}-{4}-{5}", now.Year, now.Month, now.Day, now.Hour, now.Minute, now.Second) + ".jpg";
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bool ret = NETClient.CapturePicture(_PlayID, filePath, EM_NET_CAPTURE_FORMATS.JPEG);
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if (!ret) {
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return "";
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}
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return filePath;
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}
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}
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}
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