public VideoPlayer(NodeContext nodeContext)
{
renderDrawContextHandle = nodeContext.GetGameProvider()
.Bind(g => RenderContext.GetShared(g.Services).GetThreadContext())
.GetHandle() ?? throw new ServiceNotFoundException(typeof(IResourceProvider <Game>));
colorSpaceConverter = new ColorSpaceConverter(renderDrawContextHandle.Resource);
// Initialize MediaFoundation
MediaManagerService.Initialize();
using var mediaEngineAttributes = new MediaEngineAttributes()
{
// _SRGB doesn't work :/ Getting invalid argument exception later in TransferVideoFrame
AudioCategory = SharpDX.Multimedia.AudioStreamCategory.GameMedia,
AudioEndpointRole = SharpDX.Multimedia.AudioEndpointRole.Multimedia,
VideoOutputFormat = (int)SharpDX.DXGI.Format.B8G8R8A8_UNorm
};
var graphicsDevice = renderDrawContextHandle.Resource.GraphicsDevice;
var device = SharpDXInterop.GetNativeDevice(graphicsDevice) as Device;
if (device != null)
{
// Add multi thread protection on device (MF is multi-threaded)
using var deviceMultithread = device.QueryInterface <DeviceMultithread>();
deviceMultithread.SetMultithreadProtected(true);
// Reset device
using var manager = new DXGIDeviceManager();
manager.ResetDevice(device);
mediaEngineAttributes.DxgiManager = manager;
}
using var classFactory = new MediaEngineClassFactory();
engine = new MediaEngine(classFactory, mediaEngineAttributes);
engine.PlaybackEvent += Engine_PlaybackEvent;
}
static IResourceHandle <RenderDrawContext> GetRenderDrawContextHandle(NodeContext nodeContext)
{
return(nodeContext.GetGameProvider()?
.Bind(g => RenderContext.GetShared(g.Services).GetThreadContext())
.GetHandle());
}