1 files changed, 41 insertions, 0 deletions
diff --git a/src/Ryujinx.Graphics.Nvdec.FFmpeg/Surface.cs b/src/Ryujinx.Graphics.Nvdec.FFmpeg/Surface.cs
new file mode 100644
index 00000000..1ca9d1d5
--- /dev/null
+++ b/src/Ryujinx.Graphics.Nvdec.FFmpeg/Surface.cs
@@ -0,0 +1,41 @@
+using Ryujinx.Graphics.Nvdec.FFmpeg.Native;
+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 FrameField Field => Frame->InterlacedFrame != 0 ? FrameField.Interlaced : FrameField.Progressive;
+
+        public int Width => Frame->Width;
+        public int Height => Frame->Height;
+        public int Stride => Frame->LineSize[0];
+        public int UvWidth => (Width + 1) >> 1;
+        public int UvHeight => (Height + 1) >> 1;
+        public int UvStride => Frame->LineSize[1];
+
+        public Surface(int width, int height)
+        {
+            RequestedWidth = width;
+            RequestedHeight = height;
+
+            Frame = FFmpegApi.av_frame_alloc();
+        }
+
+        public void Dispose()
+        {
+            FFmpegApi.av_frame_unref(Frame);
+            FFmpegApi.av_free(Frame);
+        }
+    }
+}