| | |
| | | using HalconDotNet; |
| | | using LB_SmartVisionCommon; |
| | | using LB_VisionProcesses.Cameras.LBCameras; |
| | | using MVSDK_Net; |
| | | using System; |
| | | using System.Collections.Generic; |
| | |
| | | private Thread _callbackThread; // 回调处理线程 |
| | | private List<IMVDefine.IMV_Frame> _frameList; // 图像缓存列表 |
| | | private readonly object _frameLock = new object(); // 帧缓存锁 |
| | | // 新增:CollectedImages操作锁,保证线程安全 |
| | | private readonly object _collectedImagesLock = new object(); |
| | | private IMVDefine.IMV_EPixelType type = IMVDefine.IMV_EPixelType.gvspPixelMono8; |
| | | private IMVDefine.IMV_PixelConvertParam stPixelConvertParam = new IMVDefine.IMV_PixelConvertParam(); |
| | | |
| | |
| | | } |
| | | try |
| | | { |
| | | // 1. 将帧转换为Bitmap |
| | | Bitmap bitmap = ConvertFrameToBitmap(frame); |
| | | // 释放帧数据 |
| | | // release frame |
| | | // 释放原始帧数据(SDK层面释放) |
| | | _camera.IMV_ReleaseFrame(ref frame); |
| | | Task.Factory.StartNew(() => |
| | | |
| | | // 2. 空值校验:转换失败则直接返回 |
| | | if (bitmap == null) |
| | | { |
| | | CallBackImg = (Bitmap)bitmap.Clone(); |
| | | if (CallBackImg == null) |
| | | AsyncLogHelper.Warn(SN + "帧转换为Bitmap失败,跳过处理"); |
| | | return; |
| | | } |
| | | // 3. 线程安全地将Bitmap添加到CollectedImages字典 |
| | | lock (_collectedImagesLock) |
| | | { |
| | | // 确保当前相机SN对应的列表存在 |
| | | if (!CollectedImages.ContainsKey(SN)) |
| | | { |
| | | return; |
| | | CollectedImages[SN] = new List<Bitmap>(); |
| | | } |
| | | if (GetTriggerMode(out TriggerMode mode, out TriggerSource source)) |
| | | { |
| | | if (mode == TriggerMode.On && source != TriggerSource.Software) |
| | | TriggerRunMessageReceived?.Invoke(SN, source.ToString()); // 触发运行事件 |
| | | } |
| | | bitmap.Dispose(); |
| | | }); |
| | | CollectedImages[SN].Add(bitmap); |
| | | AsyncLogHelper.Info(SN + $"图像已加入缓存,当前缓存数量:{CollectedImages[SN].Count}"); |
| | | } |
| | | |
| | | // 4. 处理CollectedImages中的图像:遍历消费列表第一个元素直到为空 |
| | | ProcessCollectedImages(); |
| | | //Task.Factory.StartNew(() => |
| | | //{ |
| | | // CallBackImg = (Bitmap)bitmap.Clone(); |
| | | // if (CallBackImg == null) |
| | | // { |
| | | // return; |
| | | // } |
| | | // if (GetTriggerMode(out TriggerMode mode, out TriggerSource source)) |
| | | // { |
| | | // if (mode == TriggerMode.On && source != TriggerSource.Software) |
| | | // TriggerRunMessageReceived?.Invoke(SN, source.ToString()); // 触发运行事件 |
| | | // } |
| | | // bitmap.Dispose(); |
| | | //}); |
| | | } |
| | | catch { } |
| | | AsyncLogHelper.Info(SN + "Get frame blockId = {0}" + frame.frameInfo.blockId); |
| | | } |
| | | |
| | | /// <summary> |
| | | /// 处理CollectedImages中的缓存图像 |
| | | /// 核心逻辑:遍历取第一个图像 -> 赋值给CallBackImg -> 触发事件 -> 释放并移除 |
| | | /// </summary> |
| | | private void ProcessCollectedImages() |
| | | { |
| | | Task.Factory.StartNew(() => |
| | | { |
| | | // 加锁保证线程安全,防止多线程同时操作列表 |
| | | lock (_collectedImagesLock) |
| | | { |
| | | // 校验当前相机的图像列表是否存在且有数据 |
| | | if (!CollectedImages.ContainsKey(SN) || CollectedImages[SN].Count == 0) |
| | | { |
| | | AsyncLogHelper.Info(SN + "当前无缓存图像,跳过处理"); |
| | | return; |
| | | } |
| | | // 循环处理:直到列表为空 |
| | | while (CollectedImages[SN].Count > 0) |
| | | { |
| | | try |
| | | { |
| | | // 1 取列表第一个索引的图像赋值给CallBackImg |
| | | Bitmap firstBitmap = CollectedImages[SN][0]; |
| | | ImageGrabbed?.Invoke(this, new LBCameraEventArgs(SN, firstBitmap, true)); |
| | | CallBackImg = (Bitmap)firstBitmap.Clone(); // 克隆避免原对象被释放后引用失效 |
| | | |
| | | // 2 获取触发模式并判断是否触发运行事件 |
| | | if (GetTriggerMode(out TriggerMode mode, out TriggerSource source)) |
| | | { |
| | | // 硬触发模式下触发运行事件 |
| | | if (mode == TriggerMode.On && source != TriggerSource.Software) |
| | | { |
| | | AsyncLogHelper.Info(SN + $"触发硬触发事件,触发源:{source}"); |
| | | TriggerRunMessageReceived?.Invoke(SN, source.ToString()); |
| | | } |
| | | } |
| | | else |
| | | { |
| | | AsyncLogHelper.Warn(SN + "获取触发模式失败,跳过事件触发"); |
| | | } |
| | | |
| | | // 3 释放第一个图像资源并从列表移除 |
| | | // 先释放Bitmap内存,再移除列表元素 |
| | | firstBitmap.Dispose(); |
| | | CollectedImages[SN].RemoveAt(0); |
| | | AsyncLogHelper.Info(SN + $"已消费缓存图像,剩余缓存数量:{CollectedImages[SN].Count}"); |
| | | } |
| | | catch (Exception ex) |
| | | { |
| | | AsyncLogHelper.Error(SN + $"处理缓存图像异常:{ex.Message}", ex); |
| | | // 单个图像处理失败时,移除该图像避免阻塞后续处理 |
| | | if (CollectedImages[SN].Count > 0) |
| | | { |
| | | try |
| | | { |
| | | CollectedImages[SN][0]?.Dispose(); // 尝试释放 |
| | | CollectedImages[SN].RemoveAt(0); |
| | | } |
| | | catch (Exception innerEx) |
| | | { |
| | | AsyncLogHelper.Error(SN + $"清理异常图像失败:{innerEx.Message}", innerEx); |
| | | } |
| | | } |
| | | // 单个图像处理失败不终止循环,继续处理下一个 |
| | | // 4. 所有图像处理完成后,清空CallBackImg |
| | | if (CallBackImg != null) |
| | | { |
| | | CallBackImg.Dispose(); |
| | | CallBackImg = null; |
| | | } |
| | | continue; |
| | | } |
| | | // 4. 所有图像处理完成后,清空CallBackImg |
| | | if (CallBackImg != null) |
| | | { |
| | | CallBackImg.Dispose(); |
| | | CallBackImg = null; |
| | | } |
| | | } |
| | | } |
| | | }); |
| | | } |
| | | |
| | | /// <summary> |
| | | /// 图像是否为Mono格式 |
| | | /// </summary> |
| | | /// <param name="enType"></param> |