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Support NVDEC H264 interlaced video decoding and VIC deinterlacing (#3225)

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* Support NVDEC H264 interlaced video decoding and VIC deinterlacing

* Remove unused code
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gdkchan 2022-03-23 17:09:32 -03:00 • committed by GitHub
parent e3b36db71c
commit 1402d8391d
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20 changed files with 623 additions and 82 deletions
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49
Ryujinx.Graphics.Nvdec/Image/SurfaceWriter.cs
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@ -38,6 +38,55 @@ namespace Ryujinx.Graphics.Nvdec.Image
surface.UvHeight);
}
public static void WriteInterlaced(
MemoryManager gmm,
ISurface surface,
uint lumaTopOffset,
uint chromaTopOffset,
uint lumaBottomOffset,
uint chromaBottomOffset)
{
int lumaSize = GetBlockLinearSize(surface.Width, surface.Height / 2, 1);
using var lumaTop = gmm.GetWritableRegion(ExtendOffset(lumaTopOffset), lumaSize);
using var lumaBottom = gmm.GetWritableRegion(ExtendOffset(lumaBottomOffset), lumaSize);
WriteLuma(
lumaTop.Memory.Span,
surface.YPlane.AsSpan(),
surface.Stride * 2,
surface.Width,
surface.Height / 2);
WriteLuma(
lumaBottom.Memory.Span,
surface.YPlane.AsSpan().Slice(surface.Stride),
surface.Stride * 2,
surface.Width,
surface.Height / 2);
int chromaSize = GetBlockLinearSize(surface.UvWidth, surface.UvHeight / 2, 2);
using var chromaTop = gmm.GetWritableRegion(ExtendOffset(chromaTopOffset), chromaSize);
using var chromaBottom = gmm.GetWritableRegion(ExtendOffset(chromaBottomOffset), chromaSize);
WriteChroma(
chromaTop.Memory.Span,
surface.UPlane.AsSpan(),
surface.VPlane.AsSpan(),
surface.UvStride * 2,
surface.UvWidth,
surface.UvHeight / 2);
WriteChroma(
chromaBottom.Memory.Span,
surface.UPlane.AsSpan().Slice(surface.UvStride),
surface.VPlane.AsSpan().Slice(surface.UvStride),
surface.UvStride * 2,
surface.UvWidth,
surface.UvHeight / 2);
}
private static void WriteLuma(Span<byte> dst, ReadOnlySpan<byte> src, int srcStride, int width, int height)
{
LayoutConverter.ConvertLinearToBlockLinear(dst, width, height, srcStride, 1, 2, src);