C#摄像头网站源码

C#摄像头网站源码是一个摄像头设施调用的一个程序，也可以整理一个驱动程序，有了它电脑上的摄像头可以正常的工作。C#写的超简单的摄像头视频获得源码，还可以完成视频截图，目前不少摄像头都是无驱动的，这种办法我试验没成功，不了解各位高人有没这方面的经验，网上也一直再问怎么样做视频录像

安装摄像头后，一般可以找到一个avicap32.dll文件,里面有一些操作摄像头的办法。

这是一个关于摄像头的类:

c#摄像头网站源码

using System;

using System.Runtime.InteropServices;

namespace webcam

{

///

/// avicap 的摘要说明。

///

public class showVideo

{

// showVideo calls

[DllImport]

public static extern IntPtr capCreateCaptureWindowA;

[DllImport]

public static extern bool capGetDriverDescriptionA;

[DllImport]

public static extern bool SendMessage;

[DllImport]

public static extern bool SendMessage;

[DllImport]

public static extern bool SendMessage;

[DllImport]

public static extern bool SendMessage;

[DllImport]

public static extern int SetWindowPos;

[DllImport]

public static extern int capGetVideoFormat;

// Constants

public const int WM|USER = 0x400;

public const int WS|CHILD = 0x40000000;

public const int WS|VISIBLE = 0x10000000;

public const int SWP|NOMOVE = 0x2;

public const int SWP|NOZORDER = 0x4;

public const int WM|CAP|DRIVER|CONNECT = WM|USER + 10;

public const int WM|CAP|DRIVER|DISCONNECT = WM|USER + 11;

public const int WM|CAP|SET|CALLBACK|FRAME = WM|USER + 5;

public const int WM|CAP|SET|PREVIEW = WM|USER + 50;

public const int WM|CAP|SET|PREVIEWRATE = WM|USER + 52;

public const int WM|CAP|SET|VIDEOFORMAT = WM|USER + 45;

// Structures

[StructLayout] public struct VIDEOHDR

{

[MarshalAs] public int lpData;

[MarshalAs] public int dwBufferLength;

[MarshalAs] public int dwBytesUsed;

[MarshalAs] public int dwTimeCaptured;

[MarshalAs] public int dwUser;

[MarshalAs] public int dwFlags;

[MarshalAs] public int[] dwReserved;

}

[StructLayout] public struct BITMAPINFOHEADER

{

[MarshalAs] public Int32 biSize ;

[MarshalAs] public Int32 biWidth ;

[MarshalAs] public Int32 biHeight ;

[MarshalAs] public short biPlanes;

[MarshalAs] public short biBitCount ;

[MarshalAs] public Int32 biCompression;

[MarshalAs] public Int32 biSizeImage;

[MarshalAs] public Int32 biXPelsPerMeter;

[MarshalAs] public Int32 biYPelsPerMeter;

[MarshalAs] public Int32 biClrUsed;

[MarshalAs] public Int32 biClrImportant;

}

[StructLayout] public struct BITMAPINFO

{

[MarshalAs] public BITMAPINFOHEADER bmiHeader;

[MarshalAs] public Int32[] bmiColors;

}

public delegate void FrameEventHandler;

// Public methods

public static object GetStructure

{

return Marshal.PtrToStructure);

}

public static object GetStructure

{

return GetStructure,structure);

}

public static void Copy

{

Marshal.Copy;

}

public static void Copy

{

Copy,data);

}

public static int SizeOf

{

return Marshal.SizeOf;

}

}

//Web Camera Class

public class WebCamera

{

// Constructur

public WebCamera

{

mControlPtr = handle;

mWidth = width;

mHeight = height;

}

// delegate for frame callback

public delegate void RecievedFrameEventHandler;

public event RecievedFrameEventHandler RecievedFrame;

private IntPtr lwndC; // Holds the unmanaged handle of the control

private IntPtr mControlPtr; // Holds the managed pointer of the control

private int mWidth;

private int mHeight;

private showVideo.FrameEventHandler mFrameEventHandler; // Delegate instance for the frame callback | must keep alive! gc should NOT collect it

// Close the web camera

public void CloseWebcam

{

this.capDriverDisconnect;

}

// start the web camera

public void StartWebCam

{

byte[] lpszName = new byte[100];

byte[] lpszVer = new byte[100];

showVideo.capGetDriverDescriptionA;

this.lwndC = showVideo.capCreateCaptureWindowA;

if )

{

this.capPreviewRate;

this.capPreview;

showVideo.BITMAPINFO bitmapinfo = new showVideo.BITMAPINFO;

bitmapinfo.bmiHeader.biSize = showVideo.SizeOf;

bitmapinfo.bmiHeader.biWidth = 352;

bitmapinfo.bmiHeader.biHeight = 288;

bitmapinfo.bmiHeader.biPlanes = 1;

bitmapinfo.bmiHeader.biBitCount = 24;

this.capSetVideoFormat);

this.mFrameEventHandler = new showVideo.FrameEventHandler;

this.capSetCallbackOnFrame;

showVideo.SetWindowPos;

}

}

// private functions

private bool capDriverConnect

{

return showVideo.SendMessage;

}

private bool capDriverDisconnect

{

return showVideo.SendMessage;

}

private bool capPreview

{

return showVideo.SendMessage;

}

private bool capPreviewRate

{

return showVideo.SendMessage;

}

private bool capSetCallbackOnFrame

{

return showVideo.SendMessage;

}

private bool capSetVideoFormat

{

return showVideo.SendMessage;

}

private void FrameCallBack

{

showVideo.VIDEOHDR videoHeader = new showVideo.VIDEOHDR;

byte[] VideoData;

videoHeader = showVideo.GetStructure;

VideoData = new byte[videoHeader.dwBytesUsed];

showVideo.Copy;

if

this.RecievedFrame ;

}

}

}

具体调用如下：

using System;

using System.Drawing;

using System.Collections;

using System.ComponentModel;

using System.Windows.Forms;

using System.Data;

using webcam;

namespace webcam

{

///

/// Form1 的摘要说明。

///

public class Form1 : System.Windows.Forms.Form

{

private System.Windows.Forms.Panel panelPreview;

private System.Windows.Forms.Button b|play;

private System.Windows.Forms.Button b|sTOP;

///

/// 必需的设计器变量。

///

private System.ComponentModel.Container components = null;

WebCamera wc;

public Form1

{

//

// Windows 窗体设计器支持所必需的

//

InitializeComponent;

//

// TODO: 在 InitializeComponent 调用后添加任何架构函数代码

//

}

///

/// 清理所有正在用的资源。

///

protected override void Dispose

{

if

{

if

{

components.Dispose;

}

}

base.Dispose;

}

Windows 窗体设计器生成的代码

///

/// 应用程序的主入口点。

///

[STAThread]

static void Main

{

Application.Run);

}

private void Form1|Load

{

b|play.Enabled = false;

b|sTOP.Enabled = true;

panelPreview.Size = new Size;

wc = new WebCamera;

wc.StartWebCam;

}

private void button1|Click

{

b|play.Enabled = false;

b|sTOP.Enabled = true;

panelPreview.Size = new Size;

wc = new WebCamera;

wc.StartWebCam;

}

private void b|sTOP|Click

{

b|play.Enabled = true;

b|sTOP.Enabled = false;

wc.CloseWebcam;

}

}

}

TAG标签：摄像头源码(1)

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