private void OnEngineEvent(MediaEngineEvent mediaevent, long param1, int param2)
{
switch (mediaevent)
{
case MediaEngineEvent.DurationChange:
SetDuration(engine.Duration);
break;
case MediaEngineEvent.LoadStart:
SetCurrentState(StreamPlayerState.LoadingSource);
break;
case MediaEngineEvent.LoadedMetadata:
int x, y;
engine.GetNativeVideoSize(out x, out y);
using (var texture = new Texture2D(Device, new Texture2DDescription
{
Format = Format.B8G8R8A8_UNorm,
Width = x,
Height = y,
ArraySize = 1,
MipLevels = 1,
SampleDescription = new SampleDescription
{
Count = 1
},
BindFlags = BindFlags.RenderTarget,
}))
{
TargetSurface?.Dispose();
TargetSurface = texture.QueryInterface <Surface>();
OnNewSurface(x, y);
SetCurrentTime(TimeSpan.Zero);
}
break;
case MediaEngineEvent.CanPlay:
SetCurrentState(StreamPlayerState.CanPlay);
break;
case MediaEngineEvent.CanPlayThrough:
SetCurrentState(StreamPlayerState.CanPlayFully);
break;
case MediaEngineEvent.Error:
// We don't want to throw on this thread, so instead break the debugger
if (System.Diagnostics.Debugger.IsAttached)
{
var exception = System.Runtime.InteropServices.Marshal.GetExceptionForHR(param2);
System.Diagnostics.Debugger.Break();
}
break;
}
}
/// <summary>
/// Plays the audio/video.
/// </summary>
public void Play()
{
if (mediaEngineEx != null)
{
if (mediaEngineEx.HasVideo() && isVideoStopped)
{
isVideoStopped = false;
}
if (IsEndOfStream)
{
PlaybackPosition = 0;
IsPlaying = true;
}
else
{
if (textureView == null)
{
int width = 0;
int height = 0;
mediaEngineEx.GetNativeVideoSize(out width, out height);
OutputVideoTexture = new SharpDX.Direct3D11.Texture2D(
d3dDevice,
new SharpDX.Direct3D11.Texture2DDescription()
{
ArraySize = 1,
Width = width,
Height = height,
Usage = SharpDX.Direct3D11.ResourceUsage.Default,
Format = SharpDX.DXGI.Format.B8G8R8A8_UNorm,
CpuAccessFlags = SharpDX.Direct3D11.CpuAccessFlags.None,
BindFlags = SharpDX.Direct3D11.BindFlags.RenderTarget | SharpDX.Direct3D11.BindFlags.ShaderResource,
OptionFlags = SharpDX.Direct3D11.ResourceOptionFlags.None,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
MipLevels = 1,
});
textureView = new ShaderResourceView(d3dDevice, OutputVideoTexture);
}
mediaEngineEx.Play();
}
IsEndOfStream = false;
}
}