protected override void DoProcessing(FilterProcessingContext inputFrames, Frame outputFrame)
{
Console.WriteLine("decoding tga frame");
using (var stream = this.OpenStreamForFrame(0))
{
using (var decoder = new TGADecoder(stream))
{
decoder.Initialize();
decoder.Decode(outputFrame);
}
}
}
/// <summary>
/// Gets the <see cref="Frame"/> from this filter with the specified index.
/// </summary>
/// <param name="index"></param>
/// <returns></returns>
public Frame GetFrame(long index)
{
Contract.Ensures(Contract.Result <Frame>() != null);
var context = new FilterProcessingContext(this, index);
foreach (var slot in this.inputs.Where(i => i.Filter != null))
{
foreach (var offset in this.GetInputFramesRequired(slot, index))
{
context.SetFrame(slot.Name, offset, slot.Filter.GetFrame(index + offset));
}
}
var outputFrame = this.Clip.IssueFrame();
this.DoProcessing(context, outputFrame);
return(outputFrame);
}
public FilterProcessAsyncResult(long index, FilterProcessingContext inputs, AsyncCallback callback, object state, object owner, string operationId)
: base(callback, state, owner, operationId)
{
this.Index = index;
this.Context = inputs;
}
/// <summary>
/// When overridden in a derived class, performs the appropriate processing work and writes the results to
/// the <paramref name="outputFrame"/>.
/// </summary>
/// <param name="context"></param>
/// <param name="outputFrame"></param>
protected virtual void DoProcessing(FilterProcessingContext context, Frame outputFrame)
{
// Do nothing.
}
protected override void DoProcessing(NSynth.FilterProcessingContext inputFrames, NSynth.Frame outputFrame)
{
base.DoProcessing(inputFrames, outputFrame);
}