GB28181_WinForm + ZLMediakit(实现预览，PTZ，回放，语音广播，上级级联)

1. 配置ZLMediaKit并启动

2. 软件功能

2.1 获取设备目录：启动服务 -> 选中已注册设备-> 设备目录查询

 2.2 视频直播：选中通道 -> 视频直播（得到视频地址）-> 在线直播（zlmediakit转流，vlc播放）

3. PTZ 控制

4. 录像回放

4.1 录像检索

4.2 录像点播

5. 语音广播

 

 先更改配置信息，启动服务，设备注册后，选中设备，设备查询->选中通道 -> 语音广播通知 -> 播放广播

 程序架构

 调用代码

using GB28181.Sys.XML;
using GB28181Server.SIPSorcery;
using System;
using System.Collections.Generic;
using System.IO;
using System.Reflection;
using System.Windows.Forms;

namespace GB28181Server
{
    public partial class MainForm : Form
    { 
        SIPHelper sipHelper = new SIPHelper();

        int recvCount = 0;
        int deviceIndex = 0;
        Dictionary<string, ListViewBinding> dicDevice2ViewBinding = new Dictionary<string, ListViewBinding>(); 

        string currentDeviceId = string.Empty;// 当前选中设备编号
        string currentDeviceIP = string.Empty;// 当前选中设备IP

        ListViewItem currentChannelItem; // 当前选中通道项

        public MainForm()
        {
            InitializeComponent();
        }

        // 窗体初始化
        private void MainForm_Load(object sender, EventArgs e)
        {
            cmbQueryType.SelectedIndex = 2;

            // 加载配置
            var config = sipHelper.Configs;
            txtListenPort.Text = config.ListenPort.ToString();
            txtSerialId.Text = config.DeviceId;
            txtMediaIP.Text = config.MediaIP;
            txtMediaPort.Text = config.MediaPort.ToString();
            txtMediaPlayPort.Text = config.MediaPlayPort.ToString();

            //
            dtpBeginTime.Value = DateTime.Parse(DateTime.Now.ToString("yyyy-MM-dd 00:00:00")); 
            dtpEndTime.Value = DateTime.Parse(DateTime.Now.ToString("yyyy-MM-dd 23:59:59"));
        }

        // vlc初始化
        private void vlcControl1_VlcLibDirectoryNeeded(object sender, Vlc.DotNet.Forms.VlcLibDirectoryNeededEventArgs e)
        {
            var currentAssembly = Assembly.GetEntryAssembly();
            var currentDirectory = new FileInfo(currentAssembly.Location).DirectoryName;
            if (currentDirectory == null) return;
            if (AssemblyName.GetAssemblyName(currentAssembly.Location).ProcessorArchitecture == ProcessorArchitecture.X86)
                e.VlcLibDirectory = new DirectoryInfo(Path.Combine(currentDirectory, @"libvlc\win-x86\"));
            else
                e.VlcLibDirectory = new DirectoryInfo(Path.Combine(currentDirectory, @"libvlc\win-x64\"));
        }

        // 更新消息
        void UpdateMessage(string msg)
        {
            this.BeginInvoke((EventHandler)(delegate
            {
                lblMsg.Text = msg;
            }));
        }

        // 更新日志
        public void UpdateLog(string msg)
        {
            this.BeginInvoke((EventHandler)(delegate
            {
                if (recvCount++ > 10)
                {
                    // 清理数据
                    recvCount = 0;
                    rtbMsg.Clear();
                }
                rtbMsg.AppendText(DateTime.Now.ToString("MM-dd HH:mm:ss") + " " + msg + "\n");
            }));
        }

        // 清除日志
        public void ClearLog()
        {
            this.BeginInvoke((EventHandler)(delegate
            {
                recvCount = 0;
                rtbMsg.Clear();
            }));
        }

        // 更新设备列表
        public void UpdateDevice(SIPAccountBinding binding, string ip, string port = "", string deviceId = "", string hearTime = "", string offTime = "", string register = "", string channelCount = "")
        {
            this.BeginInvoke((EventHandler)(delegate
            {
                this.listViewDevice.BeginUpdate(); 

                if (!dicDevice2ViewBinding.ContainsKey(ip))
                {
                    ListViewBinding createBinding = new ListViewBinding();
                    createBinding.ListViewIndex = deviceIndex++;
                    createBinding.ListViewData = binding;
                    dicDevice2ViewBinding.Add(ip, createBinding);
                    //
                    // 更新ui 
                    ListViewItem createViewItem = new ListViewItem();
                    createViewItem.SubItems.Add("");
                    createViewItem.SubItems.Add("");
                    createViewItem.SubItems.Add("");
                    createViewItem.SubItems.Add("");
                    createViewItem.SubItems.Add("");
                    createViewItem.SubItems.Add("");
                    createViewItem.SubItems.Add("");
                    createViewItem.SubItems.Add("");
                    listViewDevice.Items.Add(createViewItem);
                }

                var viewBinding = dicDevice2ViewBinding[ip]; if (null != binding) viewBinding.ListViewData = binding;
                //
                // 更新ui
                ListViewItem currentItem = listViewDevice.Items[viewBinding.ListViewIndex];

                currentItem.SubItems[0].Text = viewBinding.ListViewIndex.ToString();
                currentItem.SubItems[1].Text = ip; 

                if (!string.IsNullOrEmpty(port))
                {
                    currentItem.SubItems[2].Text = port;
                }

                if (!string.IsNullOrEmpty(deviceId))
                {
                    currentItem.SubItems[3].Text = viewBinding.DeviceId = deviceId;
                }

                if (!string.IsNullOrEmpty(hearTime))
                {
                    currentItem.SubItems[4].Text = hearTime;
                }

                if (!string.IsNullOrEmpty(offTime))
                {
                    currentItem.SubItems[5].Text = offTime;
                }

                if (!string.IsNullOrEmpty(register))
                {
                    currentItem.SubItems[6].Text = register;
                } 

                if (!string.IsNullOrEmpty(channelCount))
                {
                    currentItem.SubItems[7].Text = channelCount;
                }

                this.listViewDevice.EndUpdate();
            }));
        } 

        // 更新通道信息
        public void AddChannel()
        {  
            this.BeginInvoke((EventHandler)(delegate
            {
                this.listViewChannel.BeginUpdate();

                this.listViewChannel.Items.Clear();

                var dicChannel = sipHelper.DicDevice2Channel[currentDeviceId]; int index = 0;

                int channelCount = 0;

                if (null != dicChannel)
                {
                    channelCount = dicChannel.Count;

                    try
                    {
                        foreach (var item in dicChannel)
                        {
                            var channelId = item.Key;
                            var channelItem = item.Value;
                            var catalogItem = channelItem.CatalogItem;
                            //
                            ListViewItem createViewItem = new ListViewItem();
                            createViewItem.Text = (index++).ToString();
                            createViewItem.SubItems.Add(currentDeviceId);
                            createViewItem.SubItems.Add(channelId);
                            createViewItem.SubItems.Add(catalogItem.Name);
                            createViewItem.SubItems.Add(catalogItem.Manufacturer);
                            createViewItem.SubItems.Add(catalogItem.Address);
                            createViewItem.SubItems.Add(catalogItem.Status.ToString());
                            createViewItem.SubItems.Add("");
                            listViewChannel.Items.Add(createViewItem);
                        }
                    }
                    catch { }
                }
                this.listViewChannel.EndUpdate();

                UpdateDevice(null, currentDeviceIP, "", "", "", "", "", channelCount.ToString());
            })); 
        }

        // 更新通道信息(直播地址)
        public void UpdateChannel()
        {
            currentChannelItem.SubItems[7].Text = sipHelper.SelectPlayLiveVideo;
        }

        // 更新录像
        public void AddRecord(RecordInfo record)
        {
            this.BeginInvoke((EventHandler)(delegate
            {
                this.listViewRecord.BeginUpdate();

                int index = 0;

                if (null != record.RecordItems)
                {
                    foreach (var item in record.RecordItems.Items)
                    {
                        ListViewItem lvItem = new ListViewItem(new string[] { (index++).ToString(), record.Name, item.DeviceID, item.StartTime, item.EndTime });
                        listViewRecord.Items.Add(lvItem); 
                    }
                }

                this.listViewRecord.EndUpdate();
            }));
        }

        // 保存加载配置
        void SaveConfig()
        { 
            sipHelper.Configs.ListenPort = Convert.ToInt32(txtListenPort.Text);
            sipHelper.Configs.DeviceId = txtSerialId.Text;
            sipHelper.Configs.MediaIP = txtMediaIP.Text;
            sipHelper.Configs.MediaPort = Convert.ToInt32(txtMediaPort.Text);
            sipHelper.Configs.MediaPlayPort = Convert.ToInt32(txtMediaPlayPort.Text); 

            if (ConfigManager.SaveConfig(sipHelper.Configs))
            {
                UpdateLog("保存配置成功");
            }
            else
            {
                UpdateLog("保存配置失败");
            }
        }

        // 开启服务 or 关闭服务
        async void btnService_Click(object sender, EventArgs e)
        {
            SaveConfig();

            string serviceStatus = btnService.Text;
            switch (serviceStatus)
            {
                case "启动服务":
                    {
                        if (sipHelper.StartService())
                        {
                            UpdateMessage("服务已开启"); btnService.Text = "关闭服务";
                        }
                    }
                    break;
                case "关闭服务":
                    {
                        bool result = await sipHelper.StopService();
                        if (result)
                        {
                            UpdateMessage("服务已关闭"); btnService.Text = "启动服务";
                        }
                    }
                    break;
            }
        }

        // 选中已注册的设备
        private void listViewDevice_Click(object sender, EventArgs e)
        {
            ListViewItem item = this.listViewDevice.SelectedItems[0];//当前选中行
            if (item == null)
            {
                return;
            }

            string ip = item.SubItems[1].Text; currentDeviceIP = ip;
            var viewBinding = dicDevice2ViewBinding[ip];
            sipHelper.SelectedAccountBinding = viewBinding.ListViewData;
            sipHelper.SelectDeviceId = currentDeviceId = viewBinding.DeviceId;
        }

        // 选中已注册的通道
        private void listViewChannel_Click(object sender, EventArgs e)
        {
            currentChannelItem = this.listViewChannel.SelectedItems[0];//当前选中行
            if (currentChannelItem == null)
            {
                return;
            }

            string deviceId = currentChannelItem.SubItems[1].Text;
            string channelId = currentChannelItem.SubItems[2].Text;
            string playVideo = currentChannelItem.SubItems[7].Text;
            var channelItem = sipHelper.DicDevice2Channel[deviceId];
            if (null != channelItem && channelItem.ContainsKey(channelId))
            {
                var catalogItem = channelItem[channelId];
                sipHelper.SelectedAccountBinding = catalogItem.Binding;
                sipHelper.SelectPlayLiveVideo = playVideo;
            }
        } 

        // 请求直播
        private async void btnStartVideo_Click(object sender, EventArgs e)
        {
            await sipHelper.StartVideo(); 
        }

        // 停止直播
        private async void btnStopVideo_Click(object sender, EventArgs e)
        {
            await sipHelper.StopVideo(); 
        }

        // 在线直播
        private void btnPlayLive_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(sipHelper.SelectPlayLiveVideo))
            {
                UpdateMessage("未选中直播地址");
                return;
            }
            UpdateMessage("直播视频:" + sipHelper.SelectPlayLiveVideo);
            vlcControl1.Play(sipHelper.SelectPlayLiveVideo);
        }

        // 录像回放
        private void btnPlayRecord_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(sipHelper.SelectPlayBackVideo))
            {
                UpdateMessage("未选中回放地址");
                return;
            }
            UpdateMessage("回放视频:" + sipHelper.SelectPlayBackVideo);
            vlcControl1.Play(sipHelper.SelectPlayBackVideo);
        }

        // 查询设备信息
        private async void btnQuery_Click(object sender, EventArgs e)
        {
            ClearLog(); 
            //
            sipHelper.SelectedType = (CommandType)cmbQueryType.SelectedIndex;
            await sipHelper.Query(); 
        }

        // PTZ控制
        private async void btnPTZControl_Click(object sender, EventArgs e)
        {
            ClearLog();
            //
            var btn = (Button)sender;
            PTZCommand ptcCmd = (PTZCommand)Convert.ToInt32(btn.Tag); 
            await sipHelper.PTZContorl(ptcCmd, 5);
        }

        private async void btnGetRecord_Click(object sender, EventArgs e)
        {
            // 录像检索
            await sipHelper.RecordFileQuery(dtpBeginTime.Value, dtpEndTime.Value);
        }

        private async void btnStartRecord_Click(object sender, EventArgs e)
        {
            // 开始点播
            await sipHelper.StartRecord(dtpBeginTime.Value, dtpEndTime.Value);
        }

        private async void btnStopRecord_Click(object sender, EventArgs e)
        {
            // 停止点播
            await sipHelper.StopVideo();
        }
    }
}

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