Move SpeedDemon interop out of the libass plugin

Holo/Plugins/LibassSource.cs

@@ -1,5 +1,6 @@
 using AssCS;
 using AssCS.IO;
+using Holo.Utilities;
 using LibassCS;
 using System;
 using System.Collections.Generic;
@@ -46,17 +47,17 @@ public unsafe void DrawSubtitles(ref VideoFrame frame, long time)
             {
                 // Copy frame data from copy
                 fixed (byte* ptr = frame.Copy)
-                    SpeedDemon_External.CopyFrame(ptr, frame.Data, frame.Width * frame.Height * BGRA_WIDTH);
+                    SpeedDemonNative.CopyFrame(ptr, frame.Data, frame.Width * frame.Height * BGRA_WIDTH);
             }
             else
             {
                 // Copy frame data to copy
                 frame.Copy = new byte[frame.Width * frame.Height * BGRA_WIDTH];
                 fixed (byte* ptr = frame.Copy)
-                    SpeedDemon_External.CopyFrame(frame.Data, ptr, frame.Width * frame.Height * BGRA_WIDTH);
+                    SpeedDemonNative.CopyFrame(frame.Data, ptr, frame.Width * frame.Height * BGRA_WIDTH);
             }
 
-            SpeedDemon_External.RenderSubs(frame.Data, frame.Width, frame.Height, image);
+            SpeedDemonNative.RenderSubs(frame.Data, frame.Width, frame.Height, image);
         }
 
         public void LoadSubtitles(File file, int time = -1)
@@ -126,17 +127,5 @@ public IDictionary<string, dynamic> GetProperties()
         {
             throw new NotImplementedException();
         }
-
-        private partial class SpeedDemon_External
-        {
-            [LibraryImport("SpeedDemon", EntryPoint = "render_subs")]
-            public static unsafe partial void RenderSubs(IntPtr frameData, int width, int height, LibassCS.Structures.NativeImage* img);
-
-            [LibraryImport("SpeedDemon", EntryPoint = "copy_frame")]
-            public static unsafe partial void CopyFrame(IntPtr source, byte* destination, int size);
-
-            [LibraryImport("SpeedDemon", EntryPoint = "copy_frame")]
-            public static unsafe partial void CopyFrame(byte* source, IntPtr destination, int size);
-        }
     }
 }

Holo/Utilities/SpeedDemonNative.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace Holo.Utilities
+{
+    /// <summary>
+    /// This class houses the interop functions
+    /// for the native SpeedDemon C++ library
+    /// </summary>
+    /// <remarks>This class is not exposed</remarks>
+    internal partial class SpeedDemonNative
+    {
+        [LibraryImport("SpeedDemon", EntryPoint = "render_subs")]
+        public static unsafe partial void RenderSubs(IntPtr frameData, int width, int height, LibassCS.Structures.NativeImage* img);
+
+        [LibraryImport("SpeedDemon", EntryPoint = "copy_frame")]
+        public static unsafe partial void CopyFrame(IntPtr source, byte* destination, int size);
+
+        [LibraryImport("SpeedDemon", EntryPoint = "copy_frame")]
+        public static unsafe partial void CopyFrame(byte* source, IntPtr destination, int size);
+    }
+}

Wrappers/LibassCS/license.txt

@@ -0,0 +1,28 @@
+BSD 3-Clause License
+
+Copyright (c) 2024, 9volt and collaborators
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Wrappers/SpeedDemon/license.txt

@@ -0,0 +1,28 @@
+BSD 3-Clause License
+
+Copyright (c) 2024, 9volt and collaborators
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Wrappers/SpeedDemon/readme.md

@@ -0,0 +1,14 @@
+# SpeedDemon
+
+This library houses C++ utility functions intended for use with Holo for performance reasons.
+
+To build:
+
+1. `mkdir build`
+2. `cd build`
+3. `cmake ..`
+4. `cmake --build .`
+
+Place the resulting dynamic library in the execution directory for Ameko.Desktop.
+
+SpeedDemon is licensed under the BSD 3-clause license.