Move solution and projects to src

src/Ryujinx.Graphics.Nvdec/NvdecDecoderContext.cs

@@ -0,0 +1,29 @@
+using System;
+
+namespace Ryujinx.Graphics.Nvdec
+{
+    class NvdecDecoderContext : IDisposable
+    {
+        private FFmpeg.H264.Decoder _h264Decoder;
+        private FFmpeg.Vp8.Decoder _vp8Decoder;
+
+        public FFmpeg.H264.Decoder GetH264Decoder()
+        {
+            return _h264Decoder ??= new FFmpeg.H264.Decoder();
+        }
+
+        public FFmpeg.Vp8.Decoder GetVp8Decoder()
+        {
+            return _vp8Decoder ??= new FFmpeg.Vp8.Decoder();
+        }
+
+        public void Dispose()
+        {
+            _h264Decoder?.Dispose();
+            _h264Decoder = null;
+
+            _vp8Decoder?.Dispose();
+            _vp8Decoder = null;
+        }
+    }
+}