av.cs

实现微软OFFICEACCESE数据库自动备份功能

using System;
using System.Drawing;
using System.Diagnostics;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;
using gowk.multimedia;
using System.Runtime.InteropServices;
using System.Net.Sockets;
using System.Net;
namespace gowk.multimedia
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	
	public class AV:System.IDisposable
    {
        #region 成员
        Mixer mixer;
        Mixer.MixerControlDetail dt, dt2;
        DrawDib dd;
        AVChanel chanel;
        VideoCapturer vc;
        //int v_Width; int v_Height;


        WaveIn wi;
        WaveOut wo; WAVEFORMATEX wf;
        PictureBox local, remote;
        
        String mb_title;

        bool noencode;
        bool nodecode;
        public bool RemotePreView;
        //*
        COMPVARS pp;
        COMPVARS p2;
        BITMAPINFOHEADER bmi;
        BITMAPINFO bi;
        BITMAPINFOHEADER bmi2;
        BITMAPINFO bi2;
        //*/

        public ProgressBar PlayBackVolumeControl;

        #endregion


        #region 构造函数
        public AV(PictureBox local,PictureBox remote)
		{
			this.local=local;
			this.remote=remote;
            RemotePreView = false;
            noencode = false;
            nodecode = false;
            /*
            if (width <= 0 || height <= 0)
            {
                this.v_Width = 176;
                this.v_Height = 144;
            }
            else
            {

                this.v_Width = width;
                this.v_Height = height;
            }
             * */
            mb_title = "ZX Messenger AVPhone";

        }
        #endregion



        #region IDisposable 成员

        public void Dispose()
		{

            Debug.Print("AV Disposing.......................................");
			if(this.vc!=null)
			{
                //dpp.Close();
                //cpp.Close();
				this.vc.Preview=false;
				this.vc.Stop();

				this.vc.Disconnect();
				this.vc.Close();
			}
			
			if(this.wi!=null)
			{
			 	//this.wi.Reset();
				this.wi.Stop();
			}
			if(this.dd!=null)
			{
				this.dd.Close();
			}
			if(this.wo!=null)
			{
                //this.wo.Reset();
				this.wo.Stop();
			 	
			 	//this.wo.Dispose();
			}
			if(this.mixer!=null)
			{
				this.mixer.Close();
			}
            
            if (this.chanel != null)
            {
                try
                {
                    //this.chanel.Disconnect();
                    this.chanel.Close();
                }
                catch (System.Exception ex)
                {
                    //MessageBox.Show(ex.Message);
                    Debug.Print("Dispose Error:  " + ex.Message);

                }
             
            }

		}

		#endregion
		


		#region initial
	/*	public void InitializeAV()
		{
			this.IniAudio();
			this.IniVideo();
		}*/
		public void Initial()
		{
            
			this.IniChanel();
			this.IniAudio();
			this.IniVideo();
		}
		#region audio
		public void IniAudio()
		{
			wf=new WAVEFORMATEX();
			wf.cbSize=0;
			wf.nChannels=1;
			wf.nSamplesPerSec=8000;
			wf.wBitsPerSample=16;
			wf.nBlockAlign=2;
			wf.nAvgBytesPerSec=16000;
			wf.wFormatTag=1;//pcm


			wo=new WaveOut(0,wf,4000,20);
			wo.WaveOutError+=new WaveErrorEventHandler(wo_WaveInError);
			wi=new WaveIn(0,wf,4000,20);
			wi.WaveInError+=new WaveErrorEventHandler(wo_WaveInError);
			wi.WaveCaptured+=new WaveBufferEventHandler(wi_WaveCaptured);
			this.wo.Start();
			this.wi.Start();

			
			this.mixer=new Mixer(this.local);
			dt=new Mixer.MixerControlDetail(this.mixer,Mixer.MIXERLINE_COMPONENTTYPE_DST_SPEAKERS);
			dt2=new Mixer.MixerControlDetail(this.mixer,0x00001000+3);
			
		}
		#endregion
		#region video
		public void IniVideoCapture()
		{
            //*
            pp = new COMPVARS();
            

            pp.cbSize = Marshal.SizeOf(pp);
            pp.dwFlags = 1;
            pp.fccHandler = FOURCC.IntelIYUV ;
            pp.fccType = FOURCC.ICTYPE_VIDEO;   //这个是固定的
            pp.lDataRate = 120;                  //数据率30k/s
            pp.lKey = 15;
            pp.lQ = 1000;
            //pp.lQ = 0;

           
            p2 = pp;

            bmi = new BITMAPINFOHEADER();

            bmi.biCompression = (int)BI.BI_RGB;
            bmi.biWidth = 176;
            bmi.biHeight = 144;
            bmi.biPlanes = 1;
            bmi.biBitCount = 24;
            bmi.biXPelsPerMeter = 0;
            bmi.biYPelsPerMeter = 0;
            bmi.biClrUsed = 0;
            bmi.biClrImportant = 0;
            bmi.biSizeImage = 57600;
            bmi.biSize = Marshal.SizeOf(bmi);
            bi = new BITMAPINFO();
            bi.bmiHeader = bmi;

            bmi2 = new BITMAPINFOHEADER();
            bmi2.biCompression = FOURCC.IntelIYUV;
            bmi2.biWidth = 176;
            bmi2.biHeight = 144;
            bmi2.biPlanes = 1;
            bmi2.biBitCount = 24;
            bmi2.biXPelsPerMeter = 0;
            bmi2.biYPelsPerMeter = 0;
            bmi2.biClrUsed = 0;
            bmi2.biClrImportant = 0;
            bmi2.biSize = 40;
            bmi2.biSizeImage = 76032;
            bi2 = new BITMAPINFO();
            bi2.bmiHeader = bmi2;

            
            //*/
			this.vc=new VideoCapturer(this.local,0);
             
             
			this.vc.ConnectDevice();
             
			this.vc.SetPreviewRate(66);
			this.vc.Preview=true;
			gowk.multimedia.CaptureParms cp=this.vc.CaptureParms;
			cp.fAbortLeftMouse=cp.fAbortRightMouse=false;
			cp.fYield=true  ;
			this.vc.CaptureParms=cp;
			gowk.multimedia.BITMAPINFO h=this.vc.BITMAPINFO;
			h.bmiHeader.biBitCount=24;
			h.bmiHeader.biWidth=176 ;
			h.bmiHeader.biHeight=144;
            h.bmiHeader.biSizeImage = 76032;
			this.vc.BITMAPINFO=h;
			this.vc.VideoCaptured+=new VideoCaptureEventHandler(vc_VideoCaptured);
			//this.vc.CaptureWithOutFile();
             
		}
        public void IniVideoRender()
		{
			BITMAPINFOHEADER bmi=new BITMAPINFOHEADER();
             
			bmi.biCompression =(int) BI.BI_RGB;
            bmi.biWidth = 176;
            bmi.biHeight = 144 ;
			bmi.biPlanes = 1;
			bmi.biBitCount = 24;
			bmi.biXPelsPerMeter = 0;
			bmi.biYPelsPerMeter = 0;
			bmi.biClrUsed = 0;
			bmi.biClrImportant = 0;
			bmi.biSizeImage=76032;
			bmi.biSize=Marshal.SizeOf(bmi);
            dd = new DrawDib(176, 144);//(this.v_Width ,this.v_Height );
			dd.Control=this.remote;
			dd.BITMAPINFOHEADER=bmi;
			dd.Open();
		}
        public int GetVideoWidth()
        {
            if (this.vc != null)
            {
                return vc.BITMAPINFO.bmiHeader.biWidth;
            }
            else
            {
                return 0;
            }

        }
        public int GetVideoHeight()
        {
            if (this.vc != null)
            {
                return vc.BITMAPINFO.bmiHeader.biHeight ;
            }
            else
            {
                return 0;
            }

        }

		public void IniVideo()
		{
		//	this.IniVideoCompress();
            
			this.IniVideoRender();
			this.IniVideoCapture();
		}
		#endregion
		#region
		public void IniChanel()
		{
			chanel=new AVChanel();
			this.chanel.AudioData+=new AVChanel.AVChanelEventHandler(chanel_AudioData);
			this.chanel.VideoData+=new AVChanel.AVChanelEventHandler(chanel_VideoData);
			this.chanel.Open();
		}

		#endregion
		#endregion

        #region 实现函数和过程


        public void Start(string ip,int p)
		{
            //if (!RemotePreView)
            //{
                this.chanel.Connect(ip, p);
            //}
		}
		public AVChanel Chanel
		{
			get{return this.chanel;}
		}

		//SetWindowPos(hCapWnd, 0, 25, 25, bmi.bmiHeader.biWidth,bmi.bmiHeader.biHeight,0);
		private void chanel_AudioData(object sender, AVChanel.AVChanelEventArgs e)
		{
			if(this.wo!=null)this.wo.Write(e.Data);
		}

		private void chanel_VideoData(object sender, AVChanel.AVChanelEventArgs e)
		{
			//	byte[] decompressdata=this.dp.Process(e.Data);
            if (this.dd != null)
            {
                this.dd.Draw(e.Data);
            }
		}