public bool StartVideo(DeviceInfo device, DeviceCapabilityInfo info)
{
try
{
Size frameSize = info.FrameSize;
int rate = info.MaxFrameRate;
videoSource = new VideoCaptureDevice(device.MonikerString);
videoSource.DesiredFrameSize = frameSize;
videoSource.DesiredFrameRate = rate;
videoSource.NewFrame += new AForge.Video.NewFrameEventHandler(videoSource_NewFrame);
videoSource.Start();
DeviceExist = true;
return true;
}
catch
{
return false;
}
}
private void frmCamera_Load(object sender, EventArgs e)
{
while (cConfig.CameraIndex < 0 || cConfig.resolutionIndex < 0)
{
if (frmSetting.isClose)
{ break; }
using (frmSetting fs = new frmSetting())
{
fs.ShowDialog();
}
}
if (frmSetting.isClose)
{ this.Close(); return; }
ls2.Clear();
_DeviceCapabilityInfo = null;
_DeviceInfo = ls1[cConfig.CameraIndex];
foreach (DeviceCapabilityInfo info in camera.GetDeviceCapability(_DeviceInfo))
{
ls2.Add(info);
}
_DeviceCapabilityInfo = ls2[cConfig.resolutionIndex];
if (_DeviceInfo != null && _DeviceCapabilityInfo != null)
{
if (camera.StartVideo(_DeviceInfo, _DeviceCapabilityInfo))
{
btnphotograph.Enabled = true;
}
}
toolStripStatusLabel1.Text = "工作中......";
pictureBox2.Visible = false;
}
public List<DeviceCapabilityInfo> GetDeviceCapability(DeviceInfo deviceInfo)
{
List<DeviceCapabilityInfo> deviceCapability = new List<DeviceCapabilityInfo>();
VideoCaptureDevice video = new VideoCaptureDevice(deviceInfo.MonikerString);
for (int i = 0; i < video.VideoCapabilities.Length; i++)
{
VideoCapabilities cap = video.VideoCapabilities[i];
DeviceCapabilityInfo capInfo = new DeviceCapabilityInfo(cap.FrameSize, cap.FrameRate);
deviceCapability.Add(capInfo);
}
return deviceCapability;
}