/// <summary>
/// 根据摄像头名称获取该摄像头的第一个分辨率，若没有分辨 则返回为空字符串
/// </summary>
/// <param name="camereName"></param>
/// <returns></returns>
public static string GetCamereFirstResolution(string cameraName)
{
FilterInfoCollection videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);
for (int i = 0; i < videoDevices.Count; i++)
{
var cam = videoDevices[i];
if (cam.Name == cameraName)
{
return(VideoHelper.GetCameraResolution(i)[0].Value.ToString());
}
}
return("");
}
/// <summary>
/// 设置默认的摄像头，如果没有 则设置为“无”
/// </summary>
public static void SetDefaultCamera()
{
var cameraList = VideoHelper.GetAllCameras();
if (cameraList.Count != 0)
{
XmlHelper.SetValue("Camera", 0, cameraList[0].Value);
List <SimpleModel> resolutionList = VideoHelper.GetCameraResolution(0);
if (resolutionList != null && resolutionList.Count != 0)
{
XmlHelper.SetValue("CameraResolution", 0, resolutionList[0].Value);
var listCameraSize = VideoHelper.GetCameraSize(resolutionList[0].Value);
if (listCameraSize != null && listCameraSize.Count != 0)
{
XmlHelper.SetValue("CameraSize", 0, listCameraSize[0].Value);
}
}
}
else
{
XmlHelper.SetValue("Camera", "无");
}
}