private void btnOpenCamere_Click(object sender, RoutedEventArgs e)
{
DoAction(() =>
{
IEnumerable <InDeviceInfo> videoDeviceInfos;
IEnumerable <InDeviceInfo> audioDeviceInfos;
ApiProvider.Default.GetFreeDeviceInfos(out videoDeviceInfos, out audioDeviceInfos);
if (videoDeviceInfos.Count() > 0)
{
var param = new VideoInParam();
param.Type = VideoInType.Camera;
param.CaptureFps = 20;
param.Camera = new CameraParam();
param.Camera.DevicePath = videoDeviceInfos.First().Path;
param.Camera.QualityLevel = VideoQualityLevel.Middle;
if (_cameraOpened = _camera.Open(param))
{
var text = $"fps:{param.CaptureFps}{Environment.NewLine}";
text += $"devicePath:{param.Camera.DevicePath}{Environment.NewLine}";
text += $"qualityLevel:{param.Camera.QualityLevel}{Environment.NewLine}";
MessageBox.Show(text, "Open Success");
// 测试只能设置为Left=0,Top=0 ???
var rect = new RectScreenParam
{
Left = 0,
Top = 0,
Right = 200,
Bottom = 150
};
_camera.SetDisplayRect(rect);
_camera.AdjustLayer(false);
if (_cameraStarted = _camera.StartCapture())
{
_camera.SwitchSoloPreview(true);
}
}
}
});
}
private void btnOpenDesktop_Click(object sender, RoutedEventArgs e)
{
DoAction(() =>
{
var param = new VideoInParam();
param.Type = VideoInType.FullScreen;
param.CaptureFps = 6;
if (_desktopOpened = _desktop.Open(param))
{
MessageBox.Show("Opened!", "Open Success");
_desktop.SetBackLayer();
}
});
}
/// <summary>
/// 打开子视频实例，用于推流直播
/// </summary>
/// <param name="param">子视频采集参数</param>
/// <returns></returns>
public bool Open(VideoInParam param)
{
ApiProvider.Default.ThrowIfServiceException();
if (param == null)
{
throw new ArgumentNullException("param");
}
var p = (_VideoInParam)param;
try
{
ChildService = ChildVideoApi.Open(ApiProvider.Default.Service, ref p);
return(ChildService != IntPtr.Zero);
}
finally
{
p.Dispose();
}
}