/// <summary>
/// 开始监控
/// </summary>
private void startMonitor()
{
if (VideoOperate.VCAInitSdk(this.Handle, VideoOperate.DISPLAYTRANSTYPE.PCI_MEMORY_VIDEOMEMORY, false))
{
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++)
{
foreach (Control ctl in this.Controls)
{
if ((ctl is Panel) && (ctl.Name == "plVideo" + (i + 1)))
{
VideoOperate.VCAOpenDevice(i, ctl.Handle);
VideoOperate.VCAStartVideoPreview(i);
}
}
}
}
}
}
//录像
private void btnVideo_Click(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); //设置MPEG压缩的关键帧间隔
VideoOperate.VCASetBitRate(0, 256); //设置MPEG压缩的位率
VideoOperate.VCASetVidCapFrameRate(0, 25, false); //设置视频捕获频率
VideoOperate.VCASetVidCapSize(0, 320, 240); //设置视频捕获尺寸，此处即为宽320高240
VideoOperate.VCASetXVIDQuality(0, 10, 3); //设置MPEG4_XVID压缩的质量
VideoOperate.VCASetXVIDCompressMode(0, VideoOperate.COMPRESSMODE.XVID_VBR_MODE); //设置MPEG4_XVID压缩的模式
VideoOperate.VCAStartVideoCapture(0, VideoOperate.CAPMODEL.CAP_MPEG4_STREAM, VideoOperate.MP4MODEL.MPEG4_AVIFILE_CALLBACK, sfDialog.FileName); //开始视频捕获
}
}
else if (btnVideo.Text == "停止录像")
{
btnVideo.Text = "录像";
VideoOperate.VCAStopVideoCapture(0); //停止视频捕获
}
}
//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++)
{
plVideo1.Invalidate();
VideoOperate.VCAUpdateOverlayWnd(this.Handle);
VideoOperate.VCAUpdateVideoPreview(i, plVideo1.Handle);
}
}
//快照
private void btnSnapShots_Click(object sender, EventArgs e)
{
if (rbtnBMP.Checked)
{
VideoOperate.VCASaveAsBmpFile(intFlag, Application.StartupPath.Substring(0, Application.StartupPath.LastIndexOf("\\")).Substring(0, Application.StartupPath.Substring(0, Application.StartupPath.LastIndexOf("\\")).LastIndexOf("\\")) + "\\Photo\\" + DateTime.Now.ToFileTime() + ".bmp");
}
else
{
VideoOperate.VCASaveAsJpegFile(intFlag, Application.StartupPath.Substring(0, Application.StartupPath.LastIndexOf("\\")).Substring(0, Application.StartupPath.Substring(0, Application.StartupPath.LastIndexOf("\\")).LastIndexOf("\\")) + "\\Photo\\" + DateTime.Now.ToFileTime() + ".jpg", 100);
}
}
/// <summary>
/// 自动录像
/// </summary>
private void AutoVideo()
{
btnVideo.Text = "停止录像";
string strPath = Application.StartupPath.Substring(0, Application.StartupPath.LastIndexOf("\\")).Substring(0, Application.StartupPath.Substring(0, Application.StartupPath.LastIndexOf("\\")).LastIndexOf("\\")) + "\\Video\\";
VideoOperate.VCASetKeyFrmInterval(intFlag, 250);
VideoOperate.VCASetBitRate(intFlag, 256);
VideoOperate.VCASetVidCapFrameRate(intFlag, 25, false);
VideoOperate.VCASetVidCapSize(intFlag, 320, 240);
VideoOperate.VCASetXVIDQuality(intFlag, 10, 3);
VideoOperate.VCASetXVIDCompressMode(intFlag, VideoOperate.COMPRESSMODE.XVID_VBR_MODE);
VideoOperate.VCAStartVideoCapture(intFlag, VideoOperate.CAPMODEL.CAP_MPEG4_STREAM, VideoOperate.MP4MODEL.MPEG4_AVIFILE_CALLBACK, strPath + DateTime.Now.ToString("yyyyMMddhhmmss") + ".avi");
}
/// <summary>
/// 移动窗体位置时，视频随之移动
/// </summary>
private void MoveVideo()
{
for (int i = 0; i < m_dwDevNum; i++)
{
foreach (Control ctl in this.Controls)
{
if ((ctl is Panel) && (ctl.Name == "plVideo" + (i + 1)))
{
ctl.Invalidate();
VideoOperate.VCAUpdateOverlayWnd(this.Handle);
VideoOperate.VCAUpdateVideoPreview(i, ctl.Handle);
}
}
}
}
//停止监控
private void btnStop_Click(object sender, EventArgs e)
{
if (btnStop.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\\bg.bmp";
setVideoBG(strPath);
VideoOperate.VCAUnInitSdk();
btnStop.Text = "开始";
}
else if (btnStop.Text == "开始")
{
setVideoBG("");
startMonitor();
btnStop.Text = "停止";
}
}
//开始监控
protected void startMonitor()
{
if (VideoOperate.VCAInitSdk(this.Handle, VideoOperate.DISPLAYTRANSTYPE.PCI_MEMORY_VIDEOMEMORY, false))
{
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++)
{
VideoOperate.VCAOpenDevice(i, plVideo1.Handle);
VideoOperate.VCAStartVideoPreview(i);
}
}
}
}
//停止监控
private void btnStop_Click(object sender, EventArgs e)
{
try
{
if (btnStop.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";
plVideo1.BackgroundImage = System.Drawing.Image.FromFile(strPath);
VideoOperate.VCAUnInitSdk();
btnStop.Text = "开始";
}
else if (btnStop.Text == "开始")
{
plVideo1.BackgroundImage = null;
startMonitor();
btnStop.Text = "停止";
}
}
catch (Exception ex)
{
MessageBox.Show("非法错误。" + ex.ToString());
}
}
//控制视频窗口的色度
private void TBarColor_Scroll(object sender, EventArgs e)
{
VideoOperate.VCASetVidDeviceColor(intFlag, VideoOperate.COLORCONTROL.HUE, TBarColor.Value);
}
//控制视频窗口的饱和度
private void TBarSaturation_Scroll(object sender, EventArgs e)
{
VideoOperate.VCASetVidDeviceColor(intFlag, VideoOperate.COLORCONTROL.SATURATION, TBarSaturation.Value);
}
//控制视频窗口的亮度
private void TBarBright_Scroll(object sender, EventArgs e)
{
VideoOperate.VCASetVidDeviceColor(intFlag, VideoOperate.COLORCONTROL.BRIGHTNESS, TBarBright.Value);
}
