ECDefense/ECMonitor/UC/Videos/UCAIFilePlayer.xaml.cs

using EC.Entity.Video;
using EC.Entity.Warning;
using EC.FFmpegAutoGen;
using EC.Onvif;
using EC.UsingEventAggregator;
using EC.Utils;
using EC.Utils.Config;
using EC.Utils.ZMQ;

using NetMQ;
using NetMQ.Sockets;
using Prism.Events;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Threading;
using Brushes = System.Windows.Media.Brushes;
using Rectangle = System.Windows.Shapes.Rectangle;

namespace ECMonitor.UC.Videos
{
    /// <summary>
    /// UCFFmpegPlayer.xaml 的交互逻辑
    /// </summary>
    public partial class UCAIFilePlayer : UserControl, IUCPlayer
    {
        /// <summary>
        /// 相机IP
        /// </summary>
        private string _cameraIp { get; set; }
        /// <summary>
        /// 视频播放器序号
        /// </summary>
        private int _videoIndex { get; set; } = 0;
        private string _message { get; set; }
        private string _ucName { get; set; }

        public MonitorCamera _camera { get; set; }
        private OnvifClient _onvifClient { get; set; }
        public int _videoType { get; set; }
        /// <summary>
        /// 更新时间
        /// </summary>
        private DateTime _upDateTime { get; set; }

        /// <summary>
        /// 最大化最小化用
        /// </summary>
        double _normaWidth = 0;
        double _normaHeight = 0;
        /// <summary>
        /// 窗体大小
        /// </summary>
        double _playWidth = 0;
        double _playHeight = 0;
        /// <summary>
        /// 最大化
        /// </summary>
        bool _windowStateMax = false;

        public event EventHandler OnFromClose;
        IEventAggregator _ea;
        //SubscriberSocket Sub_Scriber { get; set; } = null;
        string subServerAddress = ConfigHelper.SUBImageServer();
        public UCAIFilePlayer(IEventAggregator ea, double width, double height, int videoIndex, bool showCloseButton = false)
        {
            _ea = ea;
             
            InitializeComponent();
            this.Name = "UCPlayer" + videoIndex;
            _ucName = this.Name;
            this.topPlane.Visibility = showCloseButton ? Visibility.Visible : Visibility.Hidden;
            ReSetSize(width, height);
            ShowMsg("没有视频");
            _videoIndex = videoIndex;

        }

        event EventHandler<int> IUCPlayer.OnFromClose
        {
            add
            {
                throw new NotImplementedException();
            }

            remove
            {
                throw new NotImplementedException();
            }
        }





        /// <summary>
        ///  设置窗体大小
        /// </summary>
        /// <param name="width"></param>
        /// <param name="height"></param>
        public void ReSetSize(double width, double height)
        {
            this.Width = width;
            this.Height = height;
            this._playWidth = width;
            this._playHeight = height;

            this.imgPlayer.Height = height;

            SetSelected(false);

        }



        public bool Play(MonitorCamera camera,bool replay = false)
        {
            if (IsPlaying())
            {
                LogFactory.GetLogger().Debug(" 并行冲突old " +_camera.Ip+"正在播放" +"new Ip="+ camera.Ip );
                return false;

            }
            _camera = camera;
            if (_camera == null)
            {
                return false;
            }
          
            _playing = true;
            Task.Factory.StartNew(() => Play());
            return true;


        }
        object lockplayer { get; set; } = new object();
        public void Stop()
        {
            lock (lockplayer)
            {
                _playing = false;
                _camera = null;
                SetImageSource(null);
                Task.Factory.StartNew(() => {
                   
                    Thread.Sleep(2000); 
                   // SetImageSource(null);
                    ShowMsg("目标消失");
                });
                
                OnFromClose?.Invoke(this, null);
            }



        }



        public void UPDateTime()
        {
            _upDateTime = DateTime.Now;

        }
        /// <summary>
        /// 判断预警是否接触
        /// </summary>
        /// <returns></returns>
        public bool IsTimeOut()
        {
            DateTime now = DateTime.Now;
            double difSeconds = DateUnit.DateDiffSeconds(_upDateTime, now);
            return difSeconds > 3;
        }
        public string GetCameraIp()
        {
            if (_camera != null)
            {
                return _camera.Ip;
            }
            return "";
        }
        /// <summary>
        /// 播放器类型
        /// </summary>
        /// <returns></returns>
        public int GetPlayerType()
        {
            return _videoType;
        }
        /// <summary>
        /// 相机
        /// </summary>
        /// <returns></returns>
        public MonitorCamera GetCamera()
        {
            return _camera;
        }

        public OnvifClient GetOnvifClient()
        {
            return _onvifClient;
        }

        public UserControl GetControl()
        {
            return this;
        }

        public string GetMessage()
        {
            return _message;
        }

        public string GetName()
        {
            return _ucName;
        }
        /// <summary>
        /// 是否是空播放器
        /// </summary>
        /// <returns></returns>
        public bool IsNullPlay()
        {
            return _camera == null;
        }
        /// <summary>
        /// 是否播放
        /// </summary>
        bool _playing { get; set; } = false;
        ///// <summary>
        ///// 播放成功
        ///// </summary>
        //bool _playingSuccess = false;
        /// <summary>
        /// 是否正在播放
        /// </summary>
        /// <returns></returns>
        public bool IsPlaying()
        {
            if (_camera == null)
            {
                return false;
            }
            return _playing;//&& _playingSuccess;
        }
        private int listIndex = 0;
        public int GetIndex()
        {
            return listIndex;
        }

        public void SetIndex(int index)
        {
            listIndex = index;
        }
        /// <summary>
        /// 是否显示
        /// </summary>
        private bool IsShow = false;

        public bool GetIsShow()
        {
            return IsShow;
        }
        public void SetIsShow(bool isShow)
        {
            IsShow = isShow;
        }
        private void btnClose_Click(object sender, RoutedEventArgs e)
        {
            Stop();
            OnFromClose?.Invoke(sender, e);
        }


        public delegate void dlgtSetImage(byte[] ms);
        void SetImageSource(byte[] ms)
        {
            this.imgPlayer.Dispatcher.Invoke(new dlgtSetImage(SetImage), ms);
        }
        void SetImage(byte[] ms)
        {

            ShowMsg("");
            if (!_playing|| ms == null)
            {
                imgPlayer.Source = null; // done!
                return;
            }

            BitmapImage bi = new BitmapImage();
            bi.BeginInit();
            bi.StreamSource = new MemoryStream(ms); // 不要直接使用 ms
            bi.EndInit();

            imgPlayer.Source = bi; // done!

        }



        private void Play()
        {
            using SubscriberSocket Sub_Scriber = new SubscriberSocket();
            lock (lockplayer)
            {
                if (_camera == null)
                {
                    return;
                }
               
                UPDateTime();


                Sub_Scriber.Connect(subServerAddress);
                string topic = ZMQTopic.AI_Detect_Warning_Image + _camera.Ip.Replace('.', '_');
                Sub_Scriber.Subscribe(topic);
            }
            while (_playing)
            {

                try
                {
                    bool more = false;
                    var timeout = new TimeSpan(0, 0, 2);
                    var rectopic = "";
                    Sub_Scriber.TryReceiveFrameString(timeout, out rectopic, out more);
                    if (_playing&&more)
                    {
                        byte[] data = Sub_Scriber.ReceiveFrameBytes();
                        UPDateTime();
                        SetImageSource(data);
                    }
                }
                catch (Exception ex)
                {
                    LogFactory.GetLogger().Error(ex);
                }


            }
            LogFactory.GetLogger().Info("跟踪结束了--------------");

        }


        public void ShowMsg(string message)
        {
            this.txtShow.Dispatcher.Invoke(new Action(() => { this.txtShow.Text = message; }));
        }
        private void Log(string message, bool isErr = false)
        {
            ShowMsg(message);
        }
        public void SetSelected(bool selected)
        {
            Thickness thickness = new Thickness(0);
            if (selected)
            {
                thickness = new Thickness(1);
            }
            this.playerBorder.Dispatcher.Invoke(new Action(() => { playerBorder.BorderThickness = thickness; }));


        }
        #region 事件
        public event EventHandler<int> PlayerMouseDown;
        public event EventHandler<int> PlayerMouseDoubleClick;




        private void UserControl_MouseDown(object sender, MouseButtonEventArgs e)
        {
            PlayerMouseDown?.Invoke(this, _videoIndex);
        }

        private void UserControl_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            PlayerMouseDoubleClick?.Invoke(this, _videoIndex);
        }

        /// <summary>
        /// 设置最大化
        /// </summary>
        /// <param name="width"></param>
        /// <param name="height"></param>
        /// <returns></returns>
        public bool SetMaximized(double width, double height)
        {
            if (_windowStateMax == false)
            {
                _normaWidth = this.Width;
                _normaHeight = this.Height;
                _windowStateMax = true;
                ReSetSize(width, height);

            }
            else
            {
                _windowStateMax = false;
                ReSetSize(_normaWidth, _normaHeight);
            }
            return _windowStateMax;


        }

        #endregion

    }
}