Use BinaryPrimitives.ReverseEndianness instead EndianSwap class (#832)

This PR remove the `EndianSwap` class who isn't needed anymore since .NET Core 3.0 got a buildin method `BinaryPrimitives.ReverseEndianness` who did the same thing.

1 files changed, 3 insertions, 2 deletions

diff --git a/Ryujinx.HLE/HOS/Services/Audio/Types/OpusPacketHeader.cs b/Ryujinx.HLE/HOS/Services/Audio/Types/OpusPacketHeader.cs
index bb4b6d16..0a50a5c8 100644
--- a/Ryujinx.HLE/HOS/Services/Audio/Types/OpusPacketHeader.cs
+++ b/Ryujinx.HLE/HOS/Services/Audio/Types/OpusPacketHeader.cs
@@ -1,5 +1,6 @@
 using Ryujinx.Common;
 using System;
+using System.Buffers.Binary;
 using System.IO;
 using System.Runtime.InteropServices;
 
@@ -15,8 +16,8 @@ namespace Ryujinx.HLE.HOS.Services.Audio.Types
         {
             OpusPacketHeader header = reader.ReadStruct<OpusPacketHeader>();
 
-            header.length     = EndianSwap.FromBigEndianToPlatformEndian(header.length);
-            header.finalRange = EndianSwap.FromBigEndianToPlatformEndian(header.finalRange);
+            header.length     = BitConverter.IsLittleEndian ? BinaryPrimitives.ReverseEndianness(header.length)     : header.length;
+            header.finalRange = BitConverter.IsLittleEndian ? BinaryPrimitives.ReverseEndianness(header.finalRange) : header.finalRange;
 
             return header;
         }