1 files changed, 26 insertions, 0 deletions
diff --git a/src/Ryujinx.Audio/Backends/Common/BackendHelper.cs b/src/Ryujinx.Audio/Backends/Common/BackendHelper.cs
new file mode 100644
index 00000000..30db340f
--- /dev/null
+++ b/src/Ryujinx.Audio/Backends/Common/BackendHelper.cs
@@ -0,0 +1,26 @@
+using Ryujinx.Audio.Common;
+using System;
+
+namespace Ryujinx.Audio.Backends.Common
+{
+    public static class BackendHelper
+    {
+        public static int GetSampleSize(SampleFormat format)
+        {
+            return format switch
+            {
+                SampleFormat.PcmInt8 => sizeof(byte),
+                SampleFormat.PcmInt16 => sizeof(ushort),
+                SampleFormat.PcmInt24 => 3,
+                SampleFormat.PcmInt32 => sizeof(int),
+                SampleFormat.PcmFloat => sizeof(float),
+                _ => throw new ArgumentException($"{format}"),
+            };
+        }
+
+        public static int GetSampleCount(SampleFormat format, int channelCount, int bufferSize)
+        {
+            return bufferSize / GetSampleSize(format) / channelCount;
+        }
+    }
+}
+\ No newline at end of file