Update audio renderer to REV12: Add support for splitter biquad filter (#6813)

* Update audio renderer to REV12: Add support for splitter biquad filter

* Formatting

* Official names

* Update BiquadFilterState size + other fixes

* Update tests

* Update comment for version 2

* Size test for SplitterDestinationVersion2

* Should use Volume1 if no ramp

1 files changed, 0 insertions, 67 deletions

diff --git a/src/Ryujinx.Audio/Renderer/Parameter/SplitterDestinationInParameter.cs b/src/Ryujinx.Audio/Renderer/Parameter/SplitterDestinationInParameter.cs
deleted file mode 100644
index b74b67be..00000000
--- a/src/Ryujinx.Audio/Renderer/Parameter/SplitterDestinationInParameter.cs
+++ /dev/null
@@ -1,67 +0,0 @@
-using Ryujinx.Common.Utilities;
-using System;
-using System.Runtime.InteropServices;
-
-namespace Ryujinx.Audio.Renderer.Parameter
-{
-    /// <summary>
-    /// Input header for a splitter destination update.
-    /// </summary>
-    [StructLayout(LayoutKind.Sequential, Pack = 1)]
-    public struct SplitterDestinationInParameter
-    {
-        /// <summary>
-        /// Magic of the input header.
-        /// </summary>
-        public uint Magic;
-
-        /// <summary>
-        /// Target splitter destination data id.
-        /// </summary>
-        public int Id;
-
-        /// <summary>
-        /// Mix buffer volumes storage.
-        /// </summary>
-        private MixArray _mixBufferVolume;
-
-        /// <summary>
-        /// The mix to output the result of the splitter.
-        /// </summary>
-        public int DestinationId;
-
-        /// <summary>
-        /// Set to true if in use.
-        /// </summary>
-        [MarshalAs(UnmanagedType.I1)]
-        public bool IsUsed;
-
-        /// <summary>
-        /// Reserved/padding.
-        /// </summary>
-        private unsafe fixed byte _reserved[3];
-
-        [StructLayout(LayoutKind.Sequential, Size = 4 * Constants.MixBufferCountMax, Pack = 1)]
-        private struct MixArray { }
-
-        /// <summary>
-        /// Mix buffer volumes.
-        /// </summary>
-        /// <remarks>Used when a splitter id is specified in the mix.</remarks>
-        public Span<float> MixBufferVolume => SpanHelpers.AsSpan<MixArray, float>(ref _mixBufferVolume);
-
-        /// <summary>
-        /// The expected constant of any input header.
-        /// </summary>
-        private const uint ValidMagic = 0x44444E53;
-
-        /// <summary>
-        /// Check if the magic is valid.
-        /// </summary>
-        /// <returns>Returns true if the magic is valid.</returns>
-        public readonly bool IsMagicValid()
-        {
-            return Magic == ValidMagic;
-        }
-    }
-}