/// <summary>Set URL of a media resource. Return a task which completes when it’s ready to be played, or fails if it was unable to do so.</summary>
public static Task loadMedia(this iMediaEngine mediaEngine, string url)
{
if (mediaEngine is iLinuxMediaEngine linux)
{
// Linux implementation is in .NET, it exposes a task-based asynchronous API for loading videos
return(linux.loadMedia(url));
}
// Windows implementation is in C++, needs that helper iCompletionSource object to marshal the result back to .NET
CompletionSource cs = new CompletionSource();
mediaEngine.loadMedia(url, cs);
return(cs.task);
}
async Task iSceneAsyncInit.createResourcesAsync(Context context)
{
iDiligentWindow wnd = context.renderContext as iDiligentWindow;
wnd?.setTitle("Vrmac graphics video player sample");
mediaEngine.autoPlay = true;
// string dir = RuntimeEnvironment.runningWindows ? windowsDirectory : linuxDirectory;
// await mediaEngine.loadMedia( Path.Combine( dir, fileName ) );
await mediaEngine.loadMedia(mediaFilePath);
var streams = mediaEngine.mediaStreams;
if (!streams.HasFlag(eMediaStreams.Video))
{
throw new ApplicationException("There's no video in that media file");
}
using (var dev = context.device)
renderState = mediaEngine.createRenderer(context, dev, videoBorderColor);
context.swapChainResized.add(this, onResized);
ConsoleLogger.logInfo("VideoPlayerSample started playing the media");
mouseHandler.subscribe(controller);
controller.initialize(animation, mediaEngine);
if (null != wnd)
{
string fileName = Path.GetFileName(mediaFilePath);
wnd.windowTitle = "Vrmac graphics video player sample: " + fileName;
}
// Debug code below: wait 2 seconds, and seek
// await Task.Delay( 2000 );
// mediaEngine.setCurrentTime( TimeSpan.FromSeconds( 2278 ) );
}