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   源码介绍

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HK-VCRDemo.rar

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;

namespace HK_VCRDemo
{
    public struct RECT
    {
        public int Left;
        public int Top;
        public int Right;
        public int Bottom;
        public RECT(int left, int top, int right, int bottom)
        {
            this.Left = left;
            this.Top = top;
            this.Right = right;
            this.Bottom = bottom;
        }//构造函数
    }

   public enum VideoFormat 
   {
       vdfRGB8A_233 = 0x00000001,
       vdfRGB8R_332 = 0x00000002,
       vdfRGB15Alpha = 0x00000004,
       vdfRGB16 = 0x00000008,
       vdfRGB24 = 0x00000010,
       vdfRGB24Alpha = 0x00000020,

       vdfYUV420Planar = 0x00000040,
       vdfYUV422Planar = 0x00000080,
       vdfYUV411Planar = 0x00000100,
       vdfYUV420Interspersed = 0x00000200,
       vdfYUV422Interspersed = 0x00000400,
       vdfYUV411Interspersed = 0x00000800,
       vdfYUV422Sequence = 0x00001000,   /* U0, Y0, V0, Y1:  For VO overlay */
       vdfYUV422SequenceAlpha = 0x00002000,
       /* U0, Y0, V0, Y1:  For VO overlay, with low bit for alpha blending */
       vdfMono = 0x00004000,  /* 8 bit monochrome */

       vdfYUV444Planar = 0x00008000,
    };

    public class ImportCS
    {
        [DllImport("DS40xxSDK.dll")]
        public static extern int InitDSPs();
        [DllImport("DS40xxSDK.dll")]
        public static extern IntPtr ChannelOpen(int channel);
        [DllImport("DS40xxSDK.dll")]
        public static extern int GetTotalChannels();
        [DllImport("DS40xxSDK.dll")]
        public static extern int StartVideoPreview(IntPtr hChannelHandle,IntPtr WndHandle, ref RECT rect, int bOverlay, int VideoFormat, int FrameRate);
    }
}