protected override VideoFrame GetFrame(int n)
{
var input = Child.GetFrame(n, StaticEnv);
var sampleFrames = Enumerable.Range(n - tr, tr * 2 + 1).Select(p => Sample.GetFrame(p, StaticEnv)).ToList();
var referenceFrames = Enumerable.Range(n - tr, tr * 2 + 1).Select(p => Reference.GetFrame(p, StaticEnv)).ToList();
var writable = GetVideoInfo().pixel_type == Child.GetVideoInfo().pixel_type&& StaticEnv.MakeWritable(input);
var output = writable ? input : NewVideoFrame(StaticEnv);
using (var sampleMaskFrame = SampleMask?.GetFrame(n, StaticEnv))
using (var refMaskFrame = ReferenceMask?.GetFrame(n, StaticEnv))
{
var pixelSize = Sample.GetVideoInfo().IsRGB() ? 3 : 1;
Parallel.ForEach(planes, plane =>
{
Parallel.ForEach(realChannels, channel =>
{
int[] sampleHist = null, referenceHist = null;
Parallel.Invoke(
() => sampleHist = GetHistogram(sampleFrames, sampleMaskFrame, pixelSize, channel, plane, Sample.GetVideoInfo().pixel_type, sampleBits, false),
() => referenceHist = GetHistogram(referenceFrames, refMaskFrame, pixelSize, channel, plane, Reference.GetVideoInfo().pixel_type, referenceBits, LimitedRange));
var map = GetTransitionMap(sampleHist, referenceHist, n, plane);
var tuple = map.GetColorsAndWeights();
NativeUtils.ApplyColorMap(
input.GetReadPtr(plane), input.GetPitch(plane), sampleBits > 8,
output.GetWritePtr(plane), output.GetPitch(plane), referenceBits > 8,
input.GetRowSize(plane), input.GetHeight(plane), pixelSize, channel,
map.fixedMap, tuple.Item1, tuple.Item2);
});
});
}
if (!writable)
{
input.Dispose();
}
sampleFrames.ForEach(p => p.Dispose());
referenceFrames.ForEach(p => p.Dispose());
return(output);
}
protected override VideoFrame GetFrame(int n)
{
var input = Child.GetFrame(n, StaticEnv);
if (Intensity <= double.Epsilon)
{
return(input);
}
var writable = GetVideoInfo().pixel_type == Child.GetVideoInfo().pixel_type&& StaticEnv.MakeWritable(input);
var output = writable ? input : NewVideoFrame(StaticEnv);
var pixelSize = Sample.GetVideoInfo().IsRGB() ? 3 : 1;
var firstFrame = Math.Max(0, n - AdjacentFramesCount);
var lastFrame = Math.Min(Child.GetVideoInfo().num_frames - 1, n + AdjacentFramesCount);
var dimensions = new[]
{
Enumerable.Range(n, lastFrame - n + 1),
Enumerable.Range(firstFrame, n - firstFrame)
}.SelectMany(range => range.Select(frame =>
{
using (new VideoFrameCollector())
return(string.IsNullOrEmpty(CacheId) || frame == n
? histogramCache.GetFrame(frame,
() => Extrapolation ? (frame == n ? input : Child.GetFrame(frame, StaticEnv)) : null,
() => Sample.GetFrame(frame, StaticEnv),
() => Reference.GetFrame(frame, StaticEnv),
() => SampleMask?.GetFrame(frame, StaticEnv),
() => ReferenceMask?.GetFrame(frame, StaticEnv))
: histogramCache[frame]);
}).TakeWhile(dims =>
{
var current = histogramCache[n];
return(dims != null && current.All(pair =>
current == dims || !dims[pair.Key].Empty &&
CompareHist(dims[pair.Key].DiffHist, pair.Value.DiffHist) < AdjacentFramesDiff));
}).SelectMany(p => p)).ToList();
Parallel.ForEach(planes, parallelOptions, plane =>
{
Parallel.ForEach(realChannels, parallelOptions, channel =>
{
var currentDimensions = dimensions
.Where(p => p.Key.Equal(plane, channel))
.Select(p => p.Value).ToArray();
var sampleHist = AverageHist(sampleBits, currentDimensions.Select(p => p.SampleHist).ToArray());
var referenceHist = AverageHist(referenceBits, currentDimensions.Select(p => p.ReferenceHist).ToArray());
if (sampleHist == null || referenceHist == null)
{
return;
}
var map = GetTransitionMap(sampleHist, referenceHist, n, plane);
if (Extrapolation)
{
var srcHist = AverageHist(referenceBits, currentDimensions.Select(p => p.InputHist).ToArray());
Extrapolate(map, srcHist, GetLowColor(referenceBits), GetHighColor(referenceBits, plane));
}
Interpolate(map, GetLowColor(referenceBits), GetHighColor(referenceBits, plane), sampleBits, referenceBits);
if (Intensity < 1)
{
var decreased = new ColorMap(sampleBits, n, Dither);
for (var color = 0; color < 1 << sampleBits; color++)
{
decreased.AddReal(color, map.Average(color) * Intensity + color * (1 - Intensity));
}
map = decreased;
}
var tuple = map.GetColorsAndWeights();
NativeUtils.ApplyColorMap(DynamicNoise ? Seed ^ n : 0,
input.GetReadPtr(plane), input.GetPitch(plane), sampleBits > 8,
output.GetWritePtr(plane), output.GetPitch(plane), referenceBits > 8,
input.GetRowSize(plane), input.GetHeight(plane), pixelSize, channel,
map.FixedMap, tuple.Item1, tuple.Item2);
});
});
if (!writable)
{
input.Dispose();
}
return(output);
}
protected override VideoFrame GetFrame(int n)
{
var input = Child.GetFrame(n, StaticEnv);
if (Intensity <= double.Epsilon)
{
return(input);
}
var sampleFrames = Enumerable.Range(n - tr, tr * 2 + 1).Select(p => Sample.GetFrame(p, StaticEnv)).ToList();
var referenceFrames = Enumerable.Range(n - tr, tr * 2 + 1).Select(p => Reference.GetFrame(p, StaticEnv)).ToList();
var inputFrames = tr == 0
? new List <VideoFrame> {
input
}
: Enumerable.Range(n - tr, tr * 2 + 1).Select(p => Child.GetFrame(p, StaticEnv)).ToList();
var writable = GetVideoInfo().pixel_type == Child.GetVideoInfo().pixel_type&& StaticEnv.MakeWritable(input);
var output = writable ? input : NewVideoFrame(StaticEnv);
using (var sampleMaskFrame = SampleMask?.GetFrame(n, StaticEnv))
using (var refMaskFrame = ReferenceMask?.GetFrame(n, StaticEnv))
{
var pixelSize = Sample.GetVideoInfo().IsRGB() ? 3 : 1;
Parallel.ForEach(planes, plane =>
{
Parallel.ForEach(realChannels, channel =>
{
int[] sampleHist = null, referenceHist = null, srcHist = null;
Parallel.Invoke(
() => sampleHist = GetHistogram(sampleFrames, sampleMaskFrame, pixelSize, channel, plane, Sample.GetVideoInfo().pixel_type, sampleBits, false),
() => referenceHist = GetHistogram(referenceFrames, refMaskFrame, pixelSize, channel, plane, Reference.GetVideoInfo().pixel_type, referenceBits, LimitedRange),
() => srcHist = Extrapolation ? GetHistogram(inputFrames, null, pixelSize, channel, plane, Child.GetVideoInfo().pixel_type, sampleBits, LimitedRange) : null);
var map = GetTransitionMap(sampleHist, referenceHist, n, plane);
if (Extrapolation)
{
Extrapolate(map, srcHist, GetLowColor(referenceBits), GetHighColor(referenceBits, plane));
}
Interpolate(map, GetLowColor(referenceBits), GetHighColor(referenceBits, plane), sampleBits, referenceBits);
if (Intensity < 1)
{
var decreased = new ColorMap(sampleBits, n, Dither);
for (var color = 0; color < 1 << sampleBits; color++)
{
decreased.Add(color, map.Average(color) * Intensity + color * (1 - Intensity));
}
map = decreased;
}
var tuple = map.GetColorsAndWeights();
NativeUtils.ApplyColorMap(DynamicNoise ? n : 0,
input.GetReadPtr(plane), input.GetPitch(plane), sampleBits > 8,
output.GetWritePtr(plane), output.GetPitch(plane), referenceBits > 8,
input.GetRowSize(plane), input.GetHeight(plane), pixelSize, channel,
map.FixedMap, tuple.Item1, tuple.Item2);
});
});
}
if (!writable)
{
input.Dispose();
}
sampleFrames.ForEach(p => p.Dispose());
referenceFrames.ForEach(p => p.Dispose());
return(output);
}