public IVideoSource Open(IVideoSourceConfig config, IVideoSourceType type, IntPtr hWnd)
{
if (config != null && config.Enabled)
{
IVideoSource vs = GetVideoSource(config.Name);
if (vs == null)
{
IVideoSourceFactory vsFactory = GetVideoSourceFactory(type);
if (vsFactory != null)
{
vs = vsFactory.CreateVideoSource(config, hWnd);
if (vs != null)
{
lock (mVideoSources.SyncRoot)
{
if (vs.Open(null))
{
vs.OnPlayStatusChanged += new PLAYSTATUS_CHANGED(DoPlayStausChanged);
vs.OnRecordProgress += new RECORD_PROGRESS(DoRecordProgress);
(vs as IKernelVideoSource).OnKernelStatus += new KERNELSTATUS_CHANGED(DoKernelStatus);
mVideoSources.Add(vs.Name, vs);
vs.RefreshState();
}
else
{
return(null);
}
}
}
}
}
else
{
if (hWnd != IntPtr.Zero)
{
vs.HWnd = hWnd;
}
if (!vs.IsOpen)
{
vs.Open(null);
}
}
return(vs);
}
return(null);
}