public void Preload(IEnumerable <int> indices, DecoderChoice decoderChoice = DecoderChoice.Automatic)
{
requestedKeys.Clear();
var toDelete = new List <int>(frames.Keys);
foreach (var id in indices)
{
var key = VMath.Zmod(id, FrameCount);
requestedKeys.Add(key);
if (frames.ContainsKey(key))
{
toDelete.Remove(key);
}
else
{
IDecoder decoder = Decoder.SelectFromFile(decoderChoice, files[key], FMemoryPool);
decoder.Device = device;
frames[key] = new Frame(files[key].FullName, decoder, FLogger);
frames[key].LoadAsync();
}
}
foreach (var d in toDelete)
{
frames[d].Dispose();
frames.Remove(d);
}
}
public static IDecoder SelectFromFile(DecoderChoice decoderChoice, System.IO.FileInfo file, MemoryPool memPool)
{
if (decoderChoice == DecoderChoice.Automatic)
{
var ext = file.Extension.ToLower();
decoderChoice = ext.Contains(".dds") ? DecoderChoice.DirectX : DecoderChoice.WIC;
}
if (decoderChoice == DecoderChoice.DirectX)
{
return(new GPUDecoder());
}
else
{
return(new WICDecoder(memPool));
}
}
