nvdec: Adding Vp8 codec support (#2707)

* first try

* second try

* working update

* Final impl

* Fixes nits

* Fix everything

* remove leftover

* Update FFmpegContext.cs

* Update Surface.cs

* Addresses gdkchan feedback

* bool not byte

* Addresses gdkchan feedback

1 files changed, 0 insertions, 55 deletions

diff --git a/Ryujinx.Graphics.Nvdec.H264/Decoder.cs b/Ryujinx.Graphics.Nvdec.H264/Decoder.cs
deleted file mode 100644
index fed64af4..00000000
--- a/Ryujinx.Graphics.Nvdec.H264/Decoder.cs
+++ /dev/null
@@ -1,55 +0,0 @@
-using Ryujinx.Graphics.Video;
-using System;
-
-namespace Ryujinx.Graphics.Nvdec.H264
-{
-    public sealed class Decoder : IH264Decoder
-    {
-        public bool IsHardwareAccelerated => false;
-
-        private const int WorkBufferSize = 0x200;
-
-        private readonly byte[] _workBuffer = new byte[WorkBufferSize];
-
-        private FFmpegContext _context = new FFmpegContext();
-
-        private int _oldOutputWidth;
-        private int _oldOutputHeight;
-
-        public ISurface CreateSurface(int width, int height)
-        {
-            return new Surface(width, height);
-        }
-
-        public bool Decode(ref H264PictureInfo pictureInfo, ISurface output, ReadOnlySpan<byte> bitstream)
-        {
-            Surface outSurf = (Surface)output;
-
-            if (outSurf.RequestedWidth != _oldOutputWidth ||
-                outSurf.RequestedHeight != _oldOutputHeight)
-            {
-                _context.Dispose();
-                _context = new FFmpegContext();
-
-                _oldOutputWidth = outSurf.RequestedWidth;
-                _oldOutputHeight = outSurf.RequestedHeight;
-            }
-
-            Span<byte> bs = Prepend(bitstream, SpsAndPpsReconstruction.Reconstruct(ref pictureInfo, _workBuffer));
-
-            return _context.DecodeFrame(outSurf, bs) == 0;
-        }
-
-        private static byte[] Prepend(ReadOnlySpan<byte> data, ReadOnlySpan<byte> prep)
-        {
-            byte[] output = new byte[data.Length + prep.Length];
-
-            prep.CopyTo(output);
-            data.CopyTo(new Span<byte>(output).Slice(prep.Length));
-
-            return output;
-        }
-
-        public void Dispose() => _context.Dispose();
-    }
-}