1 files changed, 39 insertions, 0 deletions
diff --git a/Ryujinx.Graphics.Nvdec.FFmpeg/Surface.cs b/Ryujinx.Graphics.Nvdec.FFmpeg/Surface.cs
new file mode 100644
index 00000000..20cee4a1
--- /dev/null
+++ b/Ryujinx.Graphics.Nvdec.FFmpeg/Surface.cs
@@ -0,0 +1,39 @@
+using FFmpeg.AutoGen;
+using Ryujinx.Graphics.Video;
+using System;
+
+namespace Ryujinx.Graphics.Nvdec.FFmpeg
+{
+    unsafe class Surface : ISurface
+    {
+        public AVFrame* Frame { get; }
+
+        public int RequestedWidth { get; }
+        public int RequestedHeight { get; }
+
+        public Plane YPlane => new Plane((IntPtr)Frame->data[0], Stride * Height);
+        public Plane UPlane => new Plane((IntPtr)Frame->data[1], UvStride * UvHeight);
+        public Plane VPlane => new Plane((IntPtr)Frame->data[2], UvStride * UvHeight);
+
+        public int Width => Frame->width;
+        public int Height => Frame->height;
+        public int Stride => Frame->linesize[0];
+        public int UvWidth => (Frame->width + 1) >> 1;
+        public int UvHeight => (Frame->height + 1) >> 1;
+        public int UvStride => Frame->linesize[1];
+
+        public Surface(int width, int height)
+        {
+            RequestedWidth = width;
+            RequestedHeight = height;
+
+            Frame = ffmpeg.av_frame_alloc();
+        }
+
+        public void Dispose()
+        {
+            ffmpeg.av_frame_unref(Frame);
+            ffmpeg.av_free(Frame);
+        }
+    }
+}