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| author | gdkchan <gab.dark.100@gmail.com> | 2022-03-23 17:09:32 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-03-23 17:09:32 -0300 |
| commit | 1402d8391d84f912110104e3e6c1a50a8c000d59 (patch) | |
| tree | 20c22eb021a92d0256c45ba676d05a7504460bfa /Ryujinx.Graphics.Nvdec/Image/SurfaceWriter.cs | |
| parent | e3b36db71c62a34a26b30683dd5ad5410c97cc9c (diff) | |
Support NVDEC H264 interlaced video decoding and VIC deinterlacing (#3225)1.1.84
* Support NVDEC H264 interlaced video decoding and VIC deinterlacing
* Remove unused code
Diffstat (limited to 'Ryujinx.Graphics.Nvdec/Image/SurfaceWriter.cs')
| -rw-r--r-- | Ryujinx.Graphics.Nvdec/Image/SurfaceWriter.cs | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/Ryujinx.Graphics.Nvdec/Image/SurfaceWriter.cs b/Ryujinx.Graphics.Nvdec/Image/SurfaceWriter.cs index 5c294621..cc5c251b 100644 --- a/Ryujinx.Graphics.Nvdec/Image/SurfaceWriter.cs +++ b/Ryujinx.Graphics.Nvdec/Image/SurfaceWriter.cs @@ -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); |