public static ImageGrabber Create(string uri)
{
Console.WriteLine($"Create {uri}");
var vc = new VideoCapture(uri);
var ig = new ImageGrabber(vc);
Console.WriteLine($"CreatED {uri} with {vc.BackendName} [{ig._id}]");
return(ig);
}
public static async Task RunAsync()
{
var watch = System.Diagnostics.Stopwatch.StartNew();
var tasks = Cams.Select(async x => await ImageGrabber.CreateAsync(x));
Console.WriteLine($"ImageGrabber.CreateAsync collection: {watch.ElapsedMilliseconds}");
var results = await Task.WhenAll(tasks.ToList());
Console.WriteLine($"Task.WhenAll CreateAsync collection: {watch.ElapsedMilliseconds}");
results.ToList().ForEach(x => x.Start());
Console.WriteLine($"ForEach Start capturing collection: {watch.ElapsedMilliseconds}");
Console.WriteLine("Press enter to quit");
Console.ReadLine();
}
public static async Task <ImageGrabber> CreateAsync(string uri)
{
try
{
Console.WriteLine($"Create {uri}");
var vc = await Task.Run(() => new VideoCapture(uri, VideoCapture.API.Ffmpeg));
Console.WriteLine($"CreatED {uri} with {vc.BackendName}");
var ig = new ImageGrabber(vc);
Console.WriteLine($"CreatED {uri} with {vc.BackendName} [{ig._id}]");
return(ig);
}
catch (Exception e)
{
Console.WriteLine($"FAULT {uri}: {e}");
return(NullImageGrabber);
}
}
