public void SetMediaItem(IResourceLocator locator, string mediaItemTitle)
{
// free previous opened resource
FilterGraphTools.TryDispose(ref _resourceAccessor);
FilterGraphTools.TryDispose(ref _rot);
_state = PlayerState.Active;
_isPaused = true;
try
{
_resourceLocator = locator;
_mediaItemTitle = mediaItemTitle;
_resourceAccessor = _resourceLocator.CreateLocalFsAccessor();
ServiceRegistration.Get<ILogger>().Debug("{0}: Initializing for media item '{1}'", PlayerTitle, _resourceAccessor.LocalFileSystemPath);
// Create a DirectShow FilterGraph
CreateGraphBuilder();
// Add it in ROT (Running Object Table) for debug purpose, it allows to view the Graph from outside (i.e. graphedit)
_rot = new DsROTEntry(_graphBuilder);
// Add a notification handler (see WndProc)
_instancePtr = Marshal.AllocCoTaskMem(4);
IMediaEventEx mee = _graphBuilder as IMediaEventEx;
if (mee != null)
mee.SetNotifyWindow(SkinContext.Form.Handle, WM_GRAPHNOTIFY, _instancePtr);
// Create the Allocator / Presenter object
FreeEvrCallback();
CreateEvrCallback();
AddEvr();
ServiceRegistration.Get<ILogger>().Debug("{0}: Adding audio renderer", PlayerTitle);
AddAudioRenderer();
ServiceRegistration.Get<ILogger>().Debug("{0}: Adding preferred codecs", PlayerTitle);
AddPreferredCodecs();
ServiceRegistration.Get<ILogger>().Debug("{0}: Adding file source", PlayerTitle);
AddFileSource();
ServiceRegistration.Get<ILogger>().Debug("{0}: Run graph", PlayerTitle);
//This needs to be done here before we check if the evr pins are connected
//since this method gives players the chance to render the last bits of the graph
OnBeforeGraphRunning();
// Now run the graph, i.e. the DVD player needs a running graph before getting informations from dvd filter.
IMediaControl mc = (IMediaControl) _graphBuilder;
int hr = mc.Run();
DsError.ThrowExceptionForHR(hr);
_initialized = true;
OnGraphRunning();
}
catch (Exception)
{
Shutdown();
throw;
}
}