public async void Load(string fileName = null)
{
if (fileName == null && FileName != null)
{
fileName = FileName;
}
else
{
throw new Exception("No file load: " + fileName);
}
if (fileName.StartsWith("http") ||
fileName.StartsWith("rstp"))
{
mediaEngineEx.Source = fileName;
}
else
{
Windows.Storage.StorageFile file = await Windows.Storage.StorageFile.GetFileFromPathAsync(fileName);
var stream = await file.OpenAsync(Windows.Storage.FileAccessMode.Read);
ByteStream byteStream = new ByteStream(stream);
mediaEngineEx.SetSourceFromByteStream(byteStream, fileName);
}
PlaybackPosition = StartPosition;
}
static void Main(string[] args)
{
// Select a File to play
var openFileDialog = new OpenFileDialog {
Title = "Select a music file", Filter = "Music Files(*.WMA;*.MP3;*.WAV)|*.WMA;*.MP3;*.WAV"
};
var result = openFileDialog.ShowDialog();
if (result == DialogResult.Cancel)
{
return;
}
// Initialize MediaFoundation
MediaManager.Startup();
// Creates the MediaEngineClassFactory
var mediaEngineFactory = new MediaEngineClassFactory();
// Creates MediaEngine for AudioOnly
var mediaEngine = new MediaEngine(mediaEngineFactory, null, MediaEngineCreateFlags.AudioOnly);
// Register our PlayBackEvent
mediaEngine.PlaybackEvent += OnPlaybackCallback;
// Query for MediaEngineEx interface
mediaEngineEx = mediaEngine.QueryInterface <MediaEngineEx>();
// Opens the file
var fileStream = openFileDialog.OpenFile();
// Create a ByteStream object from it
var stream = new ByteStream(fileStream);
// Creates an URL to the file
var url = new Uri(openFileDialog.FileName, UriKind.RelativeOrAbsolute);
// Set the source stream
mediaEngineEx.SetSourceFromByteStream(stream, url.AbsoluteUri);
// Wait for MediaEngine to be ready
if (!eventReadyToPlay.WaitOne(1000))
{
Console.WriteLine("Unexpected error: Unable to play this file");
}
// Play the music
mediaEngineEx.Play();
// Wait until music is stopped.
while (!isMusicStopped)
{
Thread.Sleep(10);
}
}
public void Open(Stream stream, Uri uri)
{
tokenSource.Cancel();
frameLoopTask = null;
var temp = byteStream;
engine.SetSourceFromByteStream(byteStream = new ByteStream(stream), TempPathForUri(stream, uri));
engine.Load();
temp?.Dispose();
tokenSource = new CancellationTokenSource();
}
public void SetBytestream(IRandomAccessStream streamHandle)
{
byteStream = new ByteStream(streamHandle);
mediaEngineEx.SetSourceFromByteStream(byteStream, Url);
}
private void LoadNewMusic(SoundMusic lastPlayRequestMusicInstance)
{
currentMusic = lastPlayRequestMusicInstance;
mediaEngineEx.SetSourceFromByteStream(new ByteStream(currentMusic.Stream), "MP3");
}
public void SetBytestream(Stream stream)
{
byteStream = new ByteStream(stream);
mediaEngineEx.SetSourceFromByteStream(byteStream, Url);
}
/// <summary>
/// Defines the entry point of the application.
/// </summary>
/// <param name="args">The args.</param>
public static void Run()
{
// Select a File to play
var openFileDialog = new OpenFileDialog {
Title = "Select a file",
};
var result = openFileDialog.ShowDialog();
if (result == DialogResult.Cancel)
{
return;
}
// Initialize MediaFoundation
MediaManager.Startup();
var renderForm = new SharpDX.Windows.RenderForm();
device = CreateDeviceForVideo(out dxgiManager);
// Creates the MediaEngineClassFactory
var mediaEngineFactory = new MediaEngineClassFactory();
//Assign our dxgi manager, and set format to bgra
MediaEngineAttributes attr = new MediaEngineAttributes();
attr.VideoOutputFormat = (int)SharpDX.DXGI.Format.B8G8R8A8_UNorm;
attr.DxgiManager = dxgiManager;
// Creates MediaEngine for AudioOnly
var mediaEngine = new MediaEngine(mediaEngineFactory, attr, MediaEngineCreateFlags.None);
// Register our PlayBackEvent
mediaEngine.PlaybackEvent += OnPlaybackCallback;
// Query for MediaEngineEx interface
mediaEngineEx = mediaEngine.QueryInterface <MediaEngineEx>();
// Opens the file
var fileStream = openFileDialog.OpenFile();
// Create a ByteStream object from it
var stream = new ByteStream(fileStream);
// Creates an URL to the file
var url = new Uri(openFileDialog.FileName, UriKind.RelativeOrAbsolute);
// Set the source stream
mediaEngineEx.SetSourceFromByteStream(stream, url.AbsoluteUri);
// Wait for MediaEngine to be ready
if (!eventReadyToPlay.WaitOne(1000))
{
Console.WriteLine("Unexpected error: Unable to play this file");
}
//Create our swapchain
swapChain = CreateSwapChain(device, renderForm.Handle);
//Get DXGI surface to be used by our media engine
var texture = Texture2D.FromSwapChain <Texture2D>(swapChain, 0);
var surface = texture.QueryInterface <SharpDX.DXGI.Surface>();
//Get our video size
int w, h;
mediaEngine.GetNativeVideoSize(out w, out h);
// Play the music
mediaEngineEx.Play();
long ts;
RenderLoop.Run(renderForm, () =>
{
//Transfer frame if a new one is available
if (mediaEngine.OnVideoStreamTick(out ts))
{
mediaEngine.TransferVideoFrame(surface, null, new SharpDX.Rectangle(0, 0, w, h), null);
}
swapChain.Present(1, SharpDX.DXGI.PresentFlags.None);
});
mediaEngine.Shutdown();
swapChain.Dispose();
device.Dispose();
}
internal override void LoadMusic(SoundMusic music)
{
CurrentMusic = music;
mediaEngineEx.SetSourceFromByteStream(new ByteStream(CurrentMusic.Stream), "MP3");
}