add Audios class in csharp

microsoft · Feb 26, 2025 · 321b1c5 · 321b1c5
1 parent 0b14543
commit 321b1c5
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diff --git a/src/csharp/Audios.cs b/src/csharp/Audios.cs
@@ -0,0 +1,50 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+using System;
+using System.Runtime.InteropServices;
+
+namespace Microsoft.ML.OnnxRuntimeGenAI
+{
+    public class Audios : IDisposable
+    {
+        private IntPtr _audiosHandle;
+        private bool _disposed = false;
+
+        private Audios(IntPtr audiosHandle)
+        {
+            _audiosHandle = audiosHandle;
+        }
+
+        internal IntPtr Handle { get { return _audiosHandle; } }
+
+        public static Audios Load(string[] audioPaths)
+        {
+            Result.VerifySuccess(NativeMethods.OgaCreateStringArray(out IntPtr stringArray));
+            foreach (string audioPath in audioPaths)
+            {
+                Result.VerifySuccess(NativeMethods.OgaStringArrayAddString(stringArray, StringUtils.ToUtf8(audioPath)));
+            }
+            Result.VerifySuccess(NativeMethods.OgaLoadAudios(stringArray, out IntPtr audiosHandle));
+            NativeMethods.OgaDestroyStringArray(stringArray);
+            return new Audios(audiosHandle);
+        }
+
+        public void Dispose()
+        {
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (_disposed)
+            {
+                return;
+            }
+            NativeMethods.OgaDestroyAudios(_audiosHandle);
+            _audiosHandle = IntPtr.Zero;
+            _disposed = true;
+        }
+    }
+}
diff --git a/src/csharp/NativeMethods.cs b/src/csharp/NativeMethods.cs
@@ -276,9 +276,16 @@ public static extern UIntPtr OgaSequencesGetSequenceCount(IntPtr /* const OgaSeq
         public static extern IntPtr /* OgaResult* */ OgaLoadImages(IntPtr /* const OgaStringArray* */ imagePaths,
                                                                    out IntPtr /* const OgaImages** */ images);
 
+        [DllImport(NativeLib.DllName, CallingConvention = CallingConvention.Winapi)]
+        public static extern IntPtr /* OgaResult* */ OgaLoadAudios(IntPtr /* const OgaStringArray* */ audioPaths,
+                                                                   out IntPtr /* const OgaAudios** */ audios);
+
         [DllImport(NativeLib.DllName, CallingConvention = CallingConvention.Winapi)]
         public static extern void OgaDestroyImages(IntPtr /* OgaImages* */ images);
 
+        [DllImport(NativeLib.DllName, CallingConvention = CallingConvention.Winapi)]
+        public static extern void OgaDestroyAudios(IntPtr /* OgaAudios* */ audios);
+
         [DllImport(NativeLib.DllName, CallingConvention = CallingConvention.Winapi)]
         public static extern void OgaDestroyNamedTensors(IntPtr /* OgaNamedTensors* */ namedTensors);