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捕获图像

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zqm
2026-03-18 08:58:39 +08:00
parent 7cd923b91b
commit 47733146ac
8 changed files with 208 additions and 81 deletions
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47
Windows/CS/Framework4.0/XCamera/XCamera/src/Core/CameraConnectionManager.cs
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@@ -1,6 +1,7 @@
using System;
using System.Threading;
using System.Collections.Generic;
using System.Text;
using XCamera.Models;
namespace XCamera.Core
@@ -82,8 +83,9 @@ namespace XCamera.Core
/// 初始化连接管理器
/// </summary>
/// <param name="config">摄像头配置</param>
/// <param name="userHandle">用户句柄</param>
/// <returns>是否成功初始化</returns>
public bool Initialize(CameraConfig config)
public bool Initialize(CameraConfig config, int userHandle = -1)
{
if (config == null)
{
@@ -99,11 +101,36 @@ namespace XCamera.Core
lock (_lockObject)
{
_config = config;
_userHandle = userHandle;
}
return true;
}
/// <summary>
/// 获取设备信息JSON格式
/// </summary>
private string GetDeviceInfoJson()
{
// 手动构建JSON字符串
StringBuilder json = new StringBuilder();
json.Append("{");
json.Append($"\"DevId\":\"{DeviceId}\",");
json.Append($"\"DevName\":\"Camera_{DeviceId}\",");
json.Append("\"DevType\":\"IPCamera\",");
json.Append($"\"UserName\":\"{_config.Username}\",");
json.Append($"\"Password\":\"{_config.Password}\",");
json.Append($"\"Address\":\"{_config.IpAddress ?? "192.168.100.10"}\",");
json.Append($"\"Port\":{_config.TcpPort},");
json.Append($"\"Channel\":{_config.Channel},");
json.Append("\"StreamType\":0,");
json.Append("\"Protocol\":\"TCP\",");
json.Append("\"Enable\":true");
json.Append("}");
return json.ToString();
}
/// <summary>
/// 获取配置验证错误信息
/// </summary>
@@ -162,14 +189,6 @@ namespace XCamera.Core
throw new Exception($"设置设备用户名密码失败，错误码: {result}");
}
// 设备登录
result = XCloudSdkWrapper.XCloudSDK_Device_DevLogin(_userHandle, DeviceId, 1);
if (result < 0)
{
throw new Exception($"设备登录失败，错误码: {result}");
}
lock (_lockObject)
{
_isConnected = true;
@@ -206,9 +225,6 @@ namespace XCamera.Core
StopRealPlay();
}
// 设备登出
XCloudSdkWrapper.XCloudSDK_Device_DevLogout(DeviceId);
// 删除设备信息
XCloudSdkWrapper.XCloudSDK_Device_DeleteDevsInfo(DeviceId);
@@ -249,7 +265,7 @@ namespace XCamera.Core
{
// 开始实时预览
int playHandle = XCloudSdkWrapper.XCloudSDK_Device_MediaRealPlay(
_userHandle, DeviceId, _config.Channel, 0, hWnd, 1, "");
_userHandle, DeviceId, 0, 0, hWnd, 0, "");
if (playHandle < 0)
{
@@ -267,6 +283,11 @@ namespace XCamera.Core
}
catch (Exception ex)
{
lock (_lockObject)
{
_isPlaying = false;
_playHandle = -1;
}
OnPlayStateChanged();
throw new Exception($"开始实时预览失败: {ex.Message}", ex);
}

8
Windows/CS/Framework4.0/XCamera/XCamera/src/Core/XCloudSdkWrapper.cs
View File

@@ -149,6 +149,14 @@ namespace XCamera.Core
[DllImport("XCloudSDK.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
public static extern int XCloudSDK_Device_DeleteDevsInfo(string sDevId);
/// <summary>
/// 添加设备信息到数据中心
/// </summary>
/// <param name="sDevInfo">设备信息JSON格式</param>
/// <returns>>=0:成功; <0:失败;</returns>
[DllImport("XCloudSDK.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.StdCall)]
public static extern int XCloudSDK_Device_AddDevInfoToDC(string sDevInfo);
#endregion
#region 实时预览

11
Windows/CS/Framework4.0/XCamera/XCamera/src/Models/CameraConfig.cs
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@@ -8,6 +8,11 @@ namespace XCamera.Models
/// </summary>
public class CameraConfig
{
/// <summary>
/// IP地址
/// </summary>
public string IpAddress { get; set; }
/// <summary>
/// TCP端口（固定34567）
/// </summary>
@@ -99,7 +104,11 @@ namespace XCamera.Models
/// </summary>
public string GetDeviceId()
{
return $"DEV_{TcpPort}_{Channel}";
if (!string.IsNullOrEmpty(IpAddress))
{
return $"{IpAddress}:{TcpPort}";
}
return "192.168.100.10:34567";
}
/// <summary>

5
Windows/CS/Framework4.0/XCamera/XCamera/src/XCamera.cs
View File

@@ -144,10 +144,11 @@ namespace XCamera
/// <summary>
/// 3. 根据配置文件内容启动摄像头
/// </summary>
/// <param name="previewHandle">预览窗口句柄（可为IntPtr.Zero）</param>
/// <returns>是否成功启动</returns>
public static bool StartCamera()
public static bool StartCamera(IntPtr previewHandle = default(IntPtr))
{
return Manager.StartCamera();
return Manager.StartCamera(previewHandle);
}
/// <summary>

63
Windows/CS/Framework4.0/XCamera/XCamera/src/XCameraManager.cs
View File

@@ -26,6 +26,7 @@ namespace XCamera
private readonly object _lockObject = new object();
private int _captureInterval = 1000;
private string _cameraIpAddress = "192.168.100.10"; // 摄像头IP地址
private int _userHandle = -1; // 用户句柄
/// <summary>
/// LED状态更新事件
@@ -148,6 +149,9 @@ namespace XCamera
throw new Exception($"注册回调函数失败，错误码: {userHandle}");
}
// 保存用户句柄
_userHandle = userHandle;
// 仅在提供了配置文件路径时加载配置
if (!string.IsNullOrEmpty(configFilePath))
{
@@ -223,8 +227,9 @@ namespace XCamera
/// <summary>
/// 3. 根据配置文件内容启动摄像头
/// </summary>
/// <param name="previewHandle">预览窗口句柄（可为IntPtr.Zero）</param>
/// <returns>是否成功启动</returns>
public bool StartCamera()
public bool StartCamera(IntPtr previewHandle = default(IntPtr))
{
if (!_isInitialized)
{
@@ -241,7 +246,7 @@ namespace XCamera
try
{
// 初始化连接管理器
_connectionManager.Initialize(CurrentConfig);
_connectionManager.Initialize(CurrentConfig, _userHandle);
// 连接到摄像头
if (!_connectionManager.Connect())
@@ -249,8 +254,8 @@ namespace XCamera
return false;
}
// 开始实时预览（不显示窗口）
if (!_connectionManager.StartRealPlay(IntPtr.Zero))
// 开始实时预览（使用指定窗口句柄）
if (!_connectionManager.StartRealPlay(previewHandle))
{
_connectionManager.Disconnect();
return false;
@@ -536,6 +541,12 @@ namespace XCamera
lock (_lockObject)
{
_cameraIpAddress = ipAddress;
// 更新当前配置的IP地址
if (CurrentConfig != null)
{
CurrentConfig.IpAddress = ipAddress;
}
}
// 使用信息事件而不是错误事件
@@ -643,8 +654,44 @@ namespace XCamera
{
try
{
var ledStatuses = DetectLeds();
OnLedStatusUpdated(ledStatuses);
// 无论是否有LED区域，都捕获图像
string tempFile = System.IO.Path.GetTempFileName() + ".jpg";
try
{
if (_connectionManager.CaptureImage(tempFile))
{
// 加载图像并触发图像捕获事件
try
{
using (var image = System.Drawing.Image.FromFile(tempFile))
{
// 触发图像捕获事件（无LED状态）
OnImageCaptured((System.Drawing.Image)image.Clone(), tempFile);
}
}
catch (Exception imgEx)
{
OnErrorOccurred($"图像加载失败: {imgEx.Message}");
}
// 如果有LED区域，再进行LED检测
if (CurrentConfig?.LedRegions != null && CurrentConfig.LedRegions.Count > 0)
{
var ledStatuses = DetectLeds();
OnLedStatusUpdated(ledStatuses);
}
else
{
// 没有LED区域，只更新空状态
OnLedStatusUpdated(new List<LedStatus>());
}
}
}
finally
{
// 清理临时文件
try { System.IO.File.Delete(tempFile); } catch { }
}
// 等待指定间隔
int waited = 0;
@@ -681,6 +728,8 @@ namespace XCamera
if (nParam1 < 0)
{
OnErrorOccurred($"设备登录失败，错误码: {nParam1}");
// 设备登录失败，断开连接
_connectionManager?.Disconnect();
}
}
else if (nMsgId == (int)XCloudSdkMessage.MediaStartRealPlay)
@@ -688,6 +737,8 @@ namespace XCamera
if (nParam1 < 0)
{
OnErrorOccurred($"开始实时预览失败，错误码: {nParam1}");
// 实时预览失败，更新连接管理器状态
_connectionManager?.StopRealPlay();
}
}