Fix invalid audio renderer buffer size when end offset < start offset (#5588)

* Fix invalid audio renderer buffer size when end offset < start offset

* Fix possible overflow on IsSampleOffsetInRangeForPcm

src/Ryujinx.Audio/Renderer/Dsp/PcmHelper.cs

@@ -20,6 +20,11 @@ namespace Ryujinx.Audio.Renderer.Dsp
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static int GetBufferSize<T>(int startSampleOffset, int endSampleOffset, int offset, int count) where T : unmanaged
         {
+            if (endSampleOffset < startSampleOffset)
+            {
+                return 0;
+            }
+
             return GetCountToDecode(startSampleOffset, endSampleOffset, offset, count) * Unsafe.SizeOf<T>();
         }
 

src/Ryujinx.Audio/Renderer/Parameter/VoiceInParameter.cs

@@ -264,8 +264,8 @@ namespace Ryujinx.Audio.Renderer.Parameter
             {
                 uint dataTypeSize = (uint)Unsafe.SizeOf<T>();
 
-                return StartSampleOffset * dataTypeSize <= Size &&
-                       EndSampleOffset * dataTypeSize <= Size;
+                return (ulong)StartSampleOffset * dataTypeSize <= Size &&
+                       (ulong)EndSampleOffset * dataTypeSize <= Size;
             }
 
             /// <summary>