Extensometer/Extensometer.BLL/CameraOperationClass.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
using Extensometer.Model;
using Extensometer.Model.ResultModel;
using Extensometer.Model.RequestModel;
using ThridLibray;

namespace Extensometer.BLL
{

    public class CameraOperationClass
    {
        #region 变量和实例
        // 项目路径
        public string ProjectPath = string.Empty;
        // 存储图像完整地址
        string ImagePath;
        string GetObjectPath;
        // 图像存储变量
        Bitmap bitmap = null;
        // 图片获取线程
        bool m_bGetCamImage = true;
        // 相机实例
        private IDevice m_dev;
        // 锁
        public Mutex m_mutex = new Mutex();
        // 存图开启标志
        bool MapIsSaveLoop = false;
        // 相机图像缓存列表
        List<IGrabbedRawData> m_frameList = new List<IGrabbedRawData>();
        // Bitmap图像绑定时间列表
        public Queue<TimeImageClass> BitmapImageList = new Queue<TimeImageClass>();
        // Bitmap图像存图列表
        public Queue<TimeImageClass> SaveImageList = new Queue<TimeImageClass>();
        // 存图线程
        Thread SaveImageThread;
        //取图线程
        Thread GetCamImageThread;
        Stopwatch m_stopWatch = new Stopwatch();
        //创建一个不能被外部直接调用的CameraOperationClass实例
        private static readonly CameraOperationClass cameraOperationClass = new CameraOperationClass();
        // 保存图片间隔标志量
        private int DEFAULT_INTERVAL = 1000;
        #endregion

        #region 公共方法
        /// <summary>
        /// 获取CameraOperaTionClass实例
        /// </summary>
        /// <returns></returns>
        public static CameraOperationClass GetCameraOperation()
        {
            return cameraOperationClass;
        }

        /// <summary>
        /// 获取相机像素长宽
        /// </summary>
        /// <returns></returns>
        public ResultCamSizeModel GetCamImageSize()
        {
            ResultCamSizeModel resultCamSize = new ResultCamSizeModel();
            if (m_dev == null)
            {
                resultCamSize.ErrCode = ErrCodeList.CamUnLoad;
                resultCamSize.ErrMessage = "相机未加载";
                return resultCamSize;
            }
            //获取相机像素宽
            using (IIntegraParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ImageWidth])
            {
                resultCamSize.Width = p.GetValue();
            }
            //获取相机像素高
            using (IIntegraParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ImageHeight])
            {
                resultCamSize.Hight = p.GetValue();
            }
            resultCamSize.ErrCode = ErrCodeList.Success;
            return resultCamSize;
        }

        /// <summary>
        /// 获取到设备型号
        /// </summary>
        /// <returns></returns>
        public ResultStringModel GetCamDeviceInfo_Model()
        {
            ResultStringModel result = new ResultStringModel();
            try
            {
                if (m_dev != null)
                {
                    result.ResultValue = m_dev.DeviceInfo.Model;
                    result.ErrCode = ErrCodeList.Success;
                }
                else
                {
                    result.ErrCode = ErrCodeList.CamUnLoad;
                    result.ErrMessage = "未识别到已加载的相机";
                }
            }
            catch (Exception e)
            {
                result.ErrCode = ErrCodeList.OtherErr;
                result.ErrMessage = e.ToString();
            }
            return result;
        }

        /// <summary>
        /// 获取到相机曝光值
        /// </summary>
        /// <returns></returns>
        public ResultDoubleModel GetCamExposureTime()
        {
            ResultDoubleModel result = new ResultDoubleModel();
            try
            {
                if (m_dev != null)
                {
                    using (IFloatParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ExposureTime])
                    {
                        result.resultValue = p.GetValue();
                    }
                    result.ErrCode = ErrCodeList.Success;
                }
                else
                {
                    result.ErrCode = ErrCodeList.CamUnLoad;
                    result.ErrMessage = "未识别到已加载的相机";
                }
            }
            catch (Exception e)
            {
                result.ErrCode = ErrCodeList.OtherErr;
                result.ErrMessage = e.ToString();
            }
            return result;
        }

        /// <summary>
        /// 获取到相机增益
        /// </summary>
        /// <returns></returns>
        public ResultDoubleModel GetCamGainRaw()
        {
            ResultDoubleModel result = new ResultDoubleModel();
            try
            {
                if (m_dev != null)
                {
                    using (IFloatParameter p = m_dev.ParameterCollection[ParametrizeNameSet.GainRaw])
                    {
                        result.resultValue = p.GetValue();
                    }
                    result.ErrCode = ErrCodeList.Success;
                }
                else
                {
                    result.ErrCode = ErrCodeList.CamUnLoad;
                    result.ErrMessage = "未识别到已加载的相机";
                }
            }
            catch (Exception e)
            {
                result.ErrCode = ErrCodeList.OtherErr;
                result.ErrMessage = e.ToString();
            }
            return result;
        }

        /// <summary>
        /// 获取到相机帧率
        /// </summary>
        /// <returns></returns>
        public ResultDoubleModel GetCamAcquisitionFrameRate()
        {
            ResultDoubleModel result = new ResultDoubleModel();
            try
            {
                if (m_dev != null)
                {
                    using (IFloatParameter p = m_dev.ParameterCollection[ParametrizeNameSet.AcquisitionFrameRate])
                    {
                        result.resultValue = p.GetValue();
                    }
                    result.ErrCode = ErrCodeList.Success;
                }
                else
                {
                    result.ErrCode = ErrCodeList.CamUnLoad;
                    result.ErrMessage = "未识别到已加载的相机";
                }
            }
            catch (Exception e)
            {
                result.ErrCode = ErrCodeList.OtherErr;
                result.ErrMessage = e.ToString();
            }
            return result;
        }

        /// <summary>
        /// 加载相机的默认状态
        /// </summary>
        /// <returns></returns>
        public ResultModel CamLoadDefault()
        {
            ResultModel result = new ResultModel();
            if (m_dev != null)
            {
                try
                {
                    m_dev.StreamGrabber.ImageGrabbed -= OnImageGrabbed;         // 反注册回调
                    m_dev.ShutdownGrab();                                       // 停止码流
                    m_dev.Close();                                              // 关闭相机
                }
                catch
                {
                }
            }
            Enumerator.EnumerateDevices();
            m_dev = Enumerator.GetDeviceByIndex(0);
            //判断是否成功找到相机
            if (m_dev == null)
            {
                result.ErrCode = ErrCodeList.CamUnFound;
                result.ErrMessage = "未找到相机";
                return result;
            }
            // 注册链接事件 
            m_dev.CameraOpened += OnCameraOpen;
            m_dev.ConnectionLost += OnConnectLoss;
            m_dev.CameraClosed += OnCameraClose;

            // 打开设备 
            if (!m_dev.Open())
            {
                result.ErrCode = ErrCodeList.CamOpenErr;
                result.ErrMessage = "相机打开失败";
                return result;
            }

            //打开初始配置
            //m_dev.UserSet.Current = UserSetType.userSetDefault;

            // 设置曝光 
            // set ExposureTime 
            //using (IFloatParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ExposureTime])
            //{
            //    p.SetValue(10000);
            //}

            // 设置缓存个数为8（默认值为16） 
            m_dev.StreamGrabber.SetBufferCount(8);

            // 注册码流回调事件 
            m_dev.StreamGrabber.ImageGrabbed += OnImageGrabbed;

            // 开启码流 
            if (!m_dev.GrabUsingGrabLoopThread())
            {
                result.ErrCode = ErrCodeList.CamOpenGrabbingErr;
                result.ErrMessage = "相机码流打开失败";
                return result;
            }
            result.ErrCode = ErrCodeList.Success;
            return result;
        }

        /// <summary>
        /// 加载相机的默认状态（裁剪）
        /// </summary>
        /// <returns></returns>
        public ResultModel CamLoadDefault(RequestFrameCuttingModel requestFrameCutting)
        {
            ResultModel result = new ResultModel();
            if (m_dev != null)
            {
                try
                {
                    m_dev.StreamGrabber.ImageGrabbed -= OnImageGrabbed;         // 反注册回调
                    m_dev.ShutdownGrab();                                       // 停止码流
                    m_dev.Close();                                              // 关闭相机
                }
                catch
                {
                }
            }
            Enumerator.EnumerateDevices();
            m_dev = Enumerator.GetDeviceByIndex(0);
            //判断是否成功找到相机
            if (m_dev == null)
            {
                result.ErrCode = ErrCodeList.CamUnFound;
                result.ErrMessage = "未找到相机";
                return result;
            }
            // 注册链接事件 
            m_dev.CameraOpened += OnCameraOpen;
            m_dev.ConnectionLost += OnConnectLoss;
            m_dev.CameraClosed += OnCameraClose;

            // 打开设备 
            if (!m_dev.Open())
            {
                result.ErrCode = ErrCodeList.CamOpenErr;
                result.ErrMessage = "相机打开失败";
                return result;
            }

            //打开初始配置
            //m_dev.UserSet.Current = UserSetType.userSetDefault;

            using (IIntegraParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ImageOffsetX])
            {
                p.SetValue(requestFrameCutting.StartPoint.X);
                long b = p.GetValue();
            }
            using (IIntegraParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ImageOffsetY])
            {
                p.SetValue(requestFrameCutting.StartPoint.Y);
                long b = p.GetValue();
            }
            using (IIntegraParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ImageHeight])
            {
                p.SetValue(Math.Abs(requestFrameCutting.EndPoint.Y - requestFrameCutting.StartPoint.Y));
                long a = p.GetValue();
            }
            using (IIntegraParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ImageWidth])
            {
                p.SetValue(Math.Abs(requestFrameCutting.EndPoint.X - requestFrameCutting.StartPoint.X));
                long b = p.GetValue();
            }

            // 设置曝光 
            // set ExposureTime 
            //using (IFloatParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ExposureTime])
            //{
            //    p.SetValue(10000);
            //}

            // 设置缓存个数为8（默认值为16） 
            m_dev.StreamGrabber.SetBufferCount(8);

            // 注册码流回调事件 
            m_dev.StreamGrabber.ImageGrabbed += OnImageGrabbed;

            // 开启码流 
            if (!m_dev.GrabUsingGrabLoopThread())
            {
                result.ErrCode = ErrCodeList.CamOpenGrabbingErr;
                result.ErrMessage = "相机码流打开失败";
                return result;
            }
            result.ErrCode = ErrCodeList.Success;
            return result;
        }

        /// <summary>
        /// 开启或关闭图像保存（状态切换）
        /// </summary>
        /// <param name="ObjectPath">项目图片保存路径</param>
        /// <returns></returns>
        public ResultModel StartOrStopSaveImage(string ObjectPath)
        {
            ResultModel result = new ResultModel();
            try
            {
                if (string.IsNullOrEmpty(ObjectPath))
                {
                    result.ErrCode = ErrCodeList.PathEmpty;
                    result.ErrMessage = "项目地址为空";
                    return result;
                }
                // 存图标志量值切换
                MapIsSaveLoop = MapIsSaveLoop ? false : true;
                if(MapIsSaveLoop)
                {
                    //初始化并运行存图线程
                    m_bSaveImage = true;
                    SaveImageThread = new Thread(SaveImage);
                    SaveImageThread.Start();
                }
                else
                {
                    m_bSaveImage = false;
                }
                GetObjectPath = ObjectPath;
                result.ErrCode = ErrCodeList.Success;
            }
            catch (Exception ex)
            {
                result.ErrCode = ErrCodeList.OtherErr;
                result.ErrMessage = ex.Message;
            }
            return result;
        }

        /// <summary>
        /// 相机画面裁剪
        /// </summary>
        /// <param name="requestFrameCutting"></param>
        /// <returns></returns>
        public ResultModel ChangeCamFrameSize(RequestFrameCuttingModel requestFrameCutting)
        {
            ResultModel result = new ResultModel();
            if (m_dev != null)
            {
                try
                {
                    m_dev.StreamGrabber.ImageGrabbed -= OnImageGrabbed;         // 反注册回调
                    m_dev.ShutdownGrab();                                       // 停止码流
                    m_dev.Close();                                              // 关闭相机
                }
                catch
                {
                }
            }
            Enumerator.EnumerateDevices();
            m_dev = Enumerator.GetDeviceByIndex(0);
            // 注册链接事件 
            m_dev.CameraOpened += OnCameraOpen;
            m_dev.ConnectionLost += OnConnectLoss;
            m_dev.CameraClosed += OnCameraClose;

            // 打开设备 
            if (!m_dev.Open())
            {
                result.ErrCode = ErrCodeList.CamOpenErr;
                result.ErrMessage = "相机打开失败";
                return result;
            }
            using (IIntegraParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ImageHeight])
            {
                p.SetValue(Math.Abs(requestFrameCutting.EndPoint.Y - requestFrameCutting.StartPoint.Y));
                double a = p.GetValue();
            }
            using (IIntegraParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ImageWidth])
            {
                p.SetValue(Math.Abs(requestFrameCutting.EndPoint.X - requestFrameCutting.StartPoint.X));
                double a = p.GetValue();
            }
            using (IIntegraParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ImageOffsetX])
            {
                p.SetValue(requestFrameCutting.StartPoint.X);
                double a = p.GetValue();
            }
            using (IIntegraParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ImageOffsetY])
            {
                p.SetValue(requestFrameCutting.StartPoint.Y);
                double a = p.GetValue();
            }

            m_dev.StreamGrabber.SetBufferCount(8);

            // 注册码流回调事件 
            m_dev.StreamGrabber.ImageGrabbed += OnImageGrabbed;

            // 开启码流 
            if (!m_dev.GrabUsingGrabLoopThread())
            {
                result.ErrCode = ErrCodeList.CamOpenGrabbingErr;
                result.ErrMessage = "相机码流打开失败";
                return result;
            }
            result.ErrCode = ErrCodeList.Success;
            return result;
        }

        /// <summary>
        /// 修改相机Gain值
        /// </summary>
        /// <param name="GainValue"></param>
        /// <returns></returns>
        public ResultModel ChangeCamGain(int GainValue)
        {
            ResultModel result = new ResultModel();
            if (!(GainValue >= 1 && GainValue <= 32))
            {
                result.ErrCode = ErrCodeList.ValueRangeErr;
                result.ErrMessage = "输入值范围异常";
                return result;
            }
            if (m_dev != null)
            {
                try
                {
                    m_dev.StreamGrabber.ImageGrabbed -= OnImageGrabbed;         // 反注册回调
                    m_dev.ShutdownGrab();                                       // 停止码流
                    m_dev.Close();                                              // 关闭相机
                }
                catch
                {
                }
            }
            Enumerator.EnumerateDevices();
            m_dev = Enumerator.GetDeviceByIndex(0);
            // 注册链接事件 
            m_dev.CameraOpened += OnCameraOpen;
            m_dev.ConnectionLost += OnConnectLoss;
            m_dev.CameraClosed += OnCameraClose;

            // 打开设备 
            if (!m_dev.Open())
            {
                result.ErrCode = ErrCodeList.CamOpenErr;
                result.ErrMessage = "相机打开失败";
                return result;
            }
            using (IFloatParameter p = m_dev.ParameterCollection[ParametrizeNameSet.GainRaw])
            {
                p.SetValue(GainValue);
            }
            m_dev.StreamGrabber.SetBufferCount(8);

            // 注册码流回调事件 
            m_dev.StreamGrabber.ImageGrabbed += OnImageGrabbed;

            // 开启码流 
            if (!m_dev.GrabUsingGrabLoopThread())
            {
                result.ErrCode = ErrCodeList.CamOpenGrabbingErr;
                result.ErrMessage = "相机码流打开失败";
                return result;
            }
            result.ErrCode = ErrCodeList.Success;
            return result;
        }

        /// <summary>
        /// 修改相机ExposureTime值
        /// </summary>
        /// <param name="ExposureTimeValue"></param>
        /// <returns></returns>
        public ResultModel ChangeCamExposureTime(int ExposureTimeValue)
        {
            ResultModel result = new ResultModel();
            if (ExposureTimeValue < 16)
            {
                result.ErrCode = ErrCodeList.ValueRangeErr;
                result.ErrMessage = "输入值范围异常";
                return result;
            }
            if (m_dev != null)
            {
                try
                {
                    m_dev.StreamGrabber.ImageGrabbed -= OnImageGrabbed;         // 反注册回调
                    m_dev.ShutdownGrab();                                       // 停止码流
                    m_dev.Close();                                              // 关闭相机
                }
                catch
                {
                }
            }
            Enumerator.EnumerateDevices();
            m_dev = Enumerator.GetDeviceByIndex(0);
            // 注册链接事件 
            m_dev.CameraOpened += OnCameraOpen;
            m_dev.ConnectionLost += OnConnectLoss;
            m_dev.CameraClosed += OnCameraClose;

            // 打开设备 
            if (!m_dev.Open())
            {
                result.ErrCode = ErrCodeList.CamOpenErr;
                result.ErrMessage = "相机打开失败";
                return result;
            }
            using (IFloatParameter p = m_dev.ParameterCollection[ParametrizeNameSet.ExposureTime])
            {
                p.SetValue(ExposureTimeValue);
            }
            m_dev.StreamGrabber.SetBufferCount(8);

            // 注册码流回调事件 
            m_dev.StreamGrabber.ImageGrabbed += OnImageGrabbed;

            // 开启码流 
            if (!m_dev.GrabUsingGrabLoopThread())
            {
                result.ErrCode = ErrCodeList.CamOpenGrabbingErr;
                result.ErrMessage = "相机码流打开失败";
                return result;
            }
            result.ErrCode = ErrCodeList.Success;
            return result;
        }

        /// <summary>
        /// 修改采样帧率
        /// </summary>
        /// <param name="ExposureTimeValue"></param>
        /// <returns></returns>
        public ResultModel ChangeCamAcquisitionFrameRate(int AcquisitionFrameRateValue)
        {
            ResultModel result = new ResultModel();
            if (AcquisitionFrameRateValue < 1 || AcquisitionFrameRateValue > 2000)
            {
                result.ErrCode = ErrCodeList.ValueRangeErr;
                result.ErrMessage = "输入值范围异常";
                return result;
            }
            if (m_dev != null)
            {
                try
                {
                    m_dev.StreamGrabber.ImageGrabbed -= OnImageGrabbed;         // 反注册回调
                    m_dev.ShutdownGrab();                                       // 停止码流
                    m_dev.Close();                                              // 关闭相机
                }
                catch
                {
                }
            }
            Enumerator.EnumerateDevices();
            m_dev = Enumerator.GetDeviceByIndex(0);
            // 注册链接事件 
            m_dev.CameraOpened += OnCameraOpen;
            m_dev.ConnectionLost += OnConnectLoss;
            m_dev.CameraClosed += OnCameraClose;

            // 打开设备 
            if (!m_dev.Open())
            {
                result.ErrCode = ErrCodeList.CamOpenErr;
                result.ErrMessage = "相机打开失败";
                return result;
            }
            using (IBooleanParameter p = m_dev.ParameterCollection[ParametrizeNameSet.AcquisitionFrameRateEnable])
            {
                p.SetValue(true);
            }
            using (IFloatParameter p = m_dev.ParameterCollection[ParametrizeNameSet.AcquisitionFrameRate])
            {
                p.SetValue(AcquisitionFrameRateValue);
            }
            m_dev.StreamGrabber.SetBufferCount(8);

            // 注册码流回调事件 
            m_dev.StreamGrabber.ImageGrabbed += OnImageGrabbed;

            // 开启码流 
            if (!m_dev.GrabUsingGrabLoopThread())
            {
                result.ErrCode = ErrCodeList.CamOpenGrabbingErr;
                result.ErrMessage = "相机码流打开失败";
                return result;
            }
            result.ErrCode = ErrCodeList.Success;
            return result;
        }

        /// <summary>
        /// 关闭相机
        /// </summary>
        /// <returns></returns>
        public ResultModel CloseCam()
        {
            ResultModel resultModel = new ResultModel();
            m_dev.Close();
            return resultModel;
        }

        /// <summary>
        /// 查询存图状态
        /// </summary>
        /// <returns>
        /// true：存图开启
        /// false： 存图关闭
        /// </returns>
        public bool IsStartSaveImage()
        {
            return MapIsSaveLoop;
        }
        public void ChangSaveImageSpacing(RequestFromConfigModel ReadFromConfig)
        {
            if(ReadFromConfig.ImageSaveModel==ImageSaveModel.AllSave)
            {
                DEFAULT_INTERVAL = 0;
            }
            else if(ReadFromConfig.ImageSaveModel==ImageSaveModel.SpacingSave)
            {
                DEFAULT_INTERVAL = ReadFromConfig.SpacingSaveImageTime;
            }
        }
        #endregion

        #region 私有方法
        /// <summary>
        /// 初始化CameraOperationClass
        /// </summary>
        private CameraOperationClass()
        {
            GetCamImageThread = new Thread(GetCamImage);
            GetCamImageThread.Start();
        }

        // 码流数据回调 
        private void OnImageGrabbed(Object sender, GrabbedEventArgs e)
        {
            m_mutex.WaitOne();
            m_frameList.Add(e.GrabResult.Clone());
            m_mutex.ReleaseMutex();
        }

        // 相机打开回调 
        private void OnCameraOpen(object sender, EventArgs e)
        {
        }

        // 相机关闭回调 
        private void OnCameraClose(object sender, EventArgs e)
        {
        }

        // 相机丢失回调 
        private void OnConnectLoss(object sender, EventArgs e)
        {
            m_dev.ShutdownGrab();
            m_dev.Dispose();
            m_dev = null;
        }

        /// <summary>
        /// 主动回收内存
        /// </summary>
        private void UserMemoryCollect()
        {
            GC.Collect();
            GC.WaitForPendingFinalizers();
        }

        /// <summary>
        /// 判断是否执行保存操作（帧率限制）
        /// </summary>
        /// <returns></returns>
        private bool isTimeToDisplay()
        {
            m_stopWatch.Stop();
            long m_lDisplayInterval = m_stopWatch.ElapsedMilliseconds;
            if (m_lDisplayInterval <= DEFAULT_INTERVAL)
            {
                m_stopWatch.Start();
                return false;
            }
            else
            {
                m_stopWatch.Reset();
                m_stopWatch.Start();
                return true;
            }
        }
        #endregion

        #region 线程方法
        // 存图线程控制变量
        private bool m_bSaveImage = false;
        /// <summary>
        /// 存图线程
        /// </summary>
        private void SaveImage()
        {
            TimeImageClass frame = new TimeImageClass();
            while (m_bSaveImage)
            {
                if (SaveImageList.Count == 0)
                {
                    Thread.Sleep(10);
                    continue;
                }
                // 图像队列取最新帧 
                //m_mutex.WaitOne();
                frame = SaveImageList.Dequeue();
                //m_mutex.ReleaseMutex();
                // 判断是否开启存图
                if (!MapIsSaveLoop)
                {
                    continue;
                }
                // 存图间隔限制
                if (!isTimeToDisplay())
                {
                    continue;
                }
                // 主动调用回收垃圾 
                UserMemoryCollect();
                if (!Directory.Exists(GetObjectPath))
                {
                    Directory.CreateDirectory(GetObjectPath);
                    continue;
                }
                ImagePath = GetObjectPath + "\\" + frame.ImageDateTime.ToString("yyyyMMddHHmmssff") + ".bmp";
                frame.ImageBitMap.Save(ImagePath, System.Drawing.Imaging.ImageFormat.Bmp);
            }
        }
        /// <summary>
        /// 从相机获取图像并处理
        /// </summary>
        private void GetCamImage()
        {
            TimeImageClass timeToImage = new TimeImageClass();
            while (m_bGetCamImage)
            {
                if (m_frameList.Count == 0)
                {
                    Thread.Sleep(10);
                    continue;
                }
                // 图像队列取最新帧 
                m_mutex.WaitOne();
                IGrabbedRawData frame = m_frameList.ElementAt(0);
                if (m_frameList.Count > 10)
                {
                    LOG.error("GetCamImage-m_frameList数据异常抛出,帧丢弃");
                    m_frameList.Clear();
                }
                else m_frameList.Remove(frame);
                //m_frameList.Remove(frame);
                m_mutex.ReleaseMutex();

                // 主动调用回收垃圾                 
                UserMemoryCollect();

                try
                {
                    lock(this)
                    {
                        timeToImage = new TimeImageClass()
                        {
                            ImageBitMap = frame.ToBitmap(false),
                            ImageByte = frame.Image,
                            ImageDateTime = DateTime.Now
                        };
                        // 向相机操作类中的待处理列表添加数据
                        BitmapImageList.Enqueue(timeToImage);
                    }
                }
                catch
                {

                }
            }
        }
        #endregion
    }
}