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   源码介绍

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using RVMS.CommonClass;
using System.IO.Ports;
using Microsoft.Win32;
using System.Threading;

namespace RVMS
{
    public partial class frmVideoCapture : Form
    {
        public frmVideoCapture()
        {
            InitializeComponent();
        }
        PelcoD pelcod = new PelcoD();
        SoftReg softreg = new SoftReg();
        SerialPort serialPort = new SerialPort("COM1", 2400, Parity.None, 8);
        int m_dwDevNum = 0;
        byte addressin = Byte.Parse(Convert.ToString(0x01));
        byte speedin = Byte.Parse(Convert.ToString(0xff));
        byte[] messagesend;
        //开始自动监控
        private void button13_Click(object sender, EventArgs e)
        {
            if (button13.Text == "开始")
            {
                if (radioButton1.Checked)
                {
                    messagesend = pelcod.CameraTilt(addressin, PelcoD.Tilt.Up, speedin);
                    serialPort.Open();
                    serialPort.Write(messagesend, 0, 7);
                    serialPort.Close();
                    Thread.Sleep(2000);
                    messagesend = pelcod.CameraPan(addressin, PelcoD.Pan.Left, speedin);
                    serialPort.Open();
                    serialPort.Write(messagesend, 0, 7);
                    serialPort.Close();
                    Thread.Sleep(2000);
                    messagesend = pelcod.CameraTilt(addressin, PelcoD.Tilt.Down, speedin);
                    serialPort.Open();
                    serialPort.Write(messagesend, 0, 7);
                    serialPort.Close();
                    Thread.Sleep(2000);
                    messagesend = pelcod.CameraPan(addressin, PelcoD.Pan.Right, speedin);
                    serialPort.Open();
                    serialPort.Write(messagesend, 0, 7);
                    serialPort.Close();
                }
                else if (radioButton3.Checked)
                {
                    messagesend = pelcod.CameraTilt(addressin, PelcoD.Tilt.Up, speedin);
                    serialPort.Open();
                    serialPort.Write(messagesend, 0, 7);
                    serialPort.Close();
                    Thread.Sleep(2000);
                    messagesend = pelcod.CameraTilt(addressin, PelcoD.Tilt.Down, speedin);
                    serialPort.Open();
                    serialPort.Write(messagesend, 0, 7);
                    serialPort.Close();
                }
                else
                {
                    messagesend = pelcod.CameraPan(addressin, PelcoD.Pan.Left, speedin);
                    serialPort.Open();
                    serialPort.Write(messagesend, 0, 7);
                    serialPort.Close();
                    Thread.Sleep(2000);
                    messagesend = pelcod.CameraPan(addressin, PelcoD.Pan.Right, speedin);
                    serialPort.Open();
                    serialPort.Write(messagesend, 0, 7);
                    serialPort.Close();
                }
                button13.Text = "停止";
            }
            else
            {
                stopMove();
                button13.Text = "开始";
            }
        }
        //停止监控
        private void button14_Click(object sender, EventArgs e)
        {
            if (button14.Text == "停止")
            {
                string strDPath = Application.StartupPath;
                string strPath = strDPath.Substring(0, strDPath.LastIndexOf("\\")).Substring(0, strDPath.Substring(0, strDPath.LastIndexOf("\\")).LastIndexOf("\\"))   "\\Image\\主页面\\主界面图片.bmp";
                panel1.BackgroundImage = System.Drawing.Image.FromFile(strPath);
                VideoOperate.VCAUnInitSdk();
                button14.Text = "开始";
            }
            else if (button14.Text == "开始")
            {
                panel1.BackgroundImage = null;
                startMonitor();
                button14.Text = "停止";
            }
        }
        //开始监控
        protected void startMonitor()
        {
            //VCAInitSdk(...)函数初始化系统资源
            if (VideoOperate.VCAInitSdk(this.Handle, VideoOperate.DISPLAYTRANSTYPE.PCI_MEMORY_VIDEOMEMORY, false))
            {
                //VCAGetDevNum(...)返回系统当中卡号数量，即为SAA7134硬件数目，为0时表示没有设备存在
                m_dwDevNum = VideoOperate.VCAGetDevNum();
                if (m_dwDevNum == 0)
                {
                    MessageBox.Show("VC404卡驱动程序没有安装");
                }
                else
                {
                    //for (int i = 0; i < m_dwDevNum; i  )
                    //{
                        //MessageBox.Show("VC404卡驱动程序没有安装");

                        VideoOperate.VCAOpenDevice(0, panel1.Handle);
                        VideoOperate.VCAStartVideoPreview(0);
                    //}
                }
            }
        }
        private void frmMain_FormClosing(object sender, FormClosingEventArgs e)
        {
            this.Close();
        }
        //移动窗体位置时，视频随之移动
        private void frmMain_Move(object sender, EventArgs e)
        {
            for (int i = 0; i < m_dwDevNum; i  )
            {
                panel1.Invalidate();
                VideoOperate.VCAUpdateOverlayWnd(this.Handle);
                VideoOperate.VCAUpdateVideoPreview(i, panel1.Handle);
            }
        }
        //停止移动
        protected void stopMove()
        {
            messagesend = pelcod.CameraStop(addressin);
            serialPort.Open();
            serialPort.Write(messagesend, 0, 7);
            serialPort.Close();
        }
        //窗体加载时，初始化视频卡，并开始预览视频
        private void frmVideoCapture_Load(object sender, EventArgs e)
        {
            //panel1.BackgroundImage = null;
            startMonitor();
        }
        //录像
        private void btnVideo_Click_1(object sender, EventArgs e)
        {
            if (btnVideo.Text == "录像")
            {
                sfDialog.Filter = "*.avi|*.avi";
                sfDialog.Title = "保存视频文件";
                sfDialog.InitialDirectory = Application.StartupPath.Substring(0, Application.StartupPath.LastIndexOf("\\")).Substring(0, Application.StartupPath.Substring(0, Application.StartupPath.LastIndexOf("\\")).LastIndexOf("\\"))   "\\Video\\";
                if (sfDialog.ShowDialog() == DialogResult.OK)
                {
                    btnVideo.Text = "停止录像";
                    VideoOperate.VCASetKeyFrmInterval(0, 250);
                    VideoOperate.VCASetBitRate(0, 256);
                    VideoOperate.VCASetVidCapFrameRate(0, 25, false);
                    VideoOperate.VCASetVidCapSize(0, 320, 240);
                    VideoOperate.VCASetXVIDQuality(0, 10, 3);
                    VideoOperate.VCASetXVIDCompressMode(0, VideoOperate.COMPRESSMODE.XVID_VBR_MODE);
                    VideoOperate.VCAStartVideoCapture(0, VideoOperate.CAPMODEL.CAP_MPEG4_STREAM, VideoOperate.MP4MODEL.MPEG4_AVIFILE_CALLBACK, sfDialog.FileName);
                }
            }
            else if (btnVideo.Text == "停止录像")
            {
                btnVideo.Text = "录像";
                VideoOperate.VCAStopVideoCapture(0);
            }
        }
        #region  云台控制
        //增加聚焦
        private void btnAHighlghts_MouseDown(object sender, MouseEventArgs e)
        {
            messagesend = pelcod.CameraFocus(addressin, PelcoD.Focus.Near);
            serialPort.Open();
            serialPort.Write(messagesend, 0, 7);
            serialPort.Close();
        }
        //减小聚焦
        private void btnCHighlghts_MouseDown(object sender, MouseEventArgs e)
        {
            messagesend = pelcod.CameraFocus(addressin, PelcoD.Focus.Far);
            serialPort.Open();
            serialPort.Write(messagesend, 0, 7);
            serialPort.Close();
        }
        //增加对焦
        private void btnAFocus_MouseDown(object sender, MouseEventArgs e)
        {
            messagesend = pelcod.CameraZoom(addressin, PelcoD.Zoom.Tele);
            serialPort.Open();
            serialPort.Write(messagesend, 0, 7);
            serialPort.Close();
        }
        //减小对焦
        private void btnCFocus_MouseDown(object sender, MouseEventArgs e)
        {
            messagesend = pelcod.CameraZoom(addressin, PelcoD.Zoom.Wide);
            serialPort.Open();
            serialPort.Write(messagesend, 0, 7);
            serialPort.Close();
        }
        //增加光圈
        private void btnAAperture_MouseDown(object sender, MouseEventArgs e)
        {
            messagesend = pelcod.CameraIrisSwitch(addressin, PelcoD.Iris.Close);
            serialPort.Open();
            serialPort.Write(messagesend, 0, 7);
            serialPort.Close();
        }
        //减小光圈
        private void btnCAperture_MouseDown(object sender, MouseEventArgs e)
        {
            messagesend = pelcod.CameraIrisSwitch(addressin, PelcoD.Iris.Open);
            serialPort.Open();
            serialPort.Write(messagesend, 0, 7);
            serialPort.Close();
        }
        //增加雨刷
        private void btnAWipers_MouseDown(object sender, MouseEventArgs e)
        {
            messagesend = pelcod.CameraSwitch(addressin, PelcoD.Switch.On);
            serialPort.Open();
            serialPort.Write(messagesend, 0, 7);
            serialPort.Close();
        }
        //减小雨刷
        private void btnCWipers_MouseDown(object sender, MouseEventArgs e)
        {
            messagesend = pelcod.CameraSwitch(addressin, PelcoD.Switch.Off);
            serialPort.Open();
            serialPort.Write(messagesend, 0, 7);
            serialPort.Close();
        }
        //方向控制——上
        private void btnUp_MouseDown(object sender, MouseEventArgs e)
        {
            messagesend = pelcod.CameraTilt(addressin, PelcoD.Tilt.Up, speedin);
            serialPort.Open();
            serialPort.Write(messagesend, 0, 7);
            serialPort.Close();
        }
        //方向控制——下
        private void btnDown_MouseDown(object sender, MouseEventArgs e)
        {
            messagesend = pelcod.CameraTilt(addressin, PelcoD.Tilt.Down, speedin);
            serialPort.Open();
            serialPort.Write(messagesend, 0, 7);
            serialPort.Close();
        }
        //方向控制——左
        private void btnLeft_MouseDown(object sender, MouseEventArgs e)
        {
            messagesend = pelcod.CameraPan(addressin, PelcoD.Pan.Left, speedin);
            serialPort.Open();
            serialPort.Write(messagesend, 0, 7);
            serialPort.Close();
        }
        //方向控制——右
        private void btnRight_MouseDown(object sender, MouseEventArgs e)
        {
            messagesend = pelcod.CameraPan(addressin, PelcoD.Pan.Right, speedin);
            serialPort.Open();
            serialPort.Write(messagesend, 0, 7);
            serialPort.Close();
        }
        #endregion

        #region  释放鼠标时，视频监控停止移动
        private void btnUp_MouseUp(object sender, MouseEventArgs e)
        {
            stopMove();
        }
        private void btnDown_MouseUp(object sender, MouseEventArgs e)
        {
            stopMove();
        }
        private void btnLeft_MouseUp(object sender, MouseEventArgs e)
        {
            stopMove();
        }
        private void btnRight_MouseUp(object sender, MouseEventArgs e)
        {
            stopMove();
        }
        private void btnAHighlghts_MouseUp(object sender, MouseEventArgs e)
        {
            stopMove();
        }
        private void btnCHighlghts_MouseUp(object sender, MouseEventArgs e)
        {
            stopMove();
        }
        private void btnAFocus_MouseUp(object sender, MouseEventArgs e)
        {
            stopMove();
        }
        private void btnCFocus_MouseUp(object sender, MouseEventArgs e)
        {
            stopMove();
        }
        private void btnAAperture_MouseUp(object sender, MouseEventArgs e)
        {
            stopMove();
        }
        private void btnCAperture_MouseUp(object sender, MouseEventArgs e)
        {
            stopMove();
        }
        private void btnAWipers_MouseUp(object sender, MouseEventArgs e)
        {
            stopMove();
        }
        private void btnCWipers_MouseUp(object sender, MouseEventArgs e)
        {
            stopMove();
        }
        #endregion
        private void button1_Click(object sender, EventArgs e)
        {

        }

        private void radioButton3_CheckedChanged(object sender, EventArgs e)
        {

        }

        private void groupBox1_Enter(object sender, EventArgs e)
        {

        }     
    }
}