Ryujinx.Audio/Renderer/Parameter/EffectInParameterVersion2.cs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97

using Ryujinx.Audio.Renderer.Common;
using Ryujinx.Common.Utilities;
using System;
using System.Runtime.InteropServices;

namespace Ryujinx.Audio.Renderer.Parameter
{
    /// <summary>
    /// Input information for an effect version 2. (added with REV9)
    /// </summary>
    [StructLayout(LayoutKind.Sequential, Pack = 1)]
    public struct EffectInParameterVersion2 : IEffectInParameter
    {
        /// <summary>
        /// Type of the effect.
        /// </summary>
        public EffectType Type;

        /// <summary>
        /// Set to true if the effect is new.
        /// </summary>
        [MarshalAs(UnmanagedType.I1)]
        public bool IsNew;

        /// <summary>
        /// Set to true if the effect must be active.
        /// </summary>
        [MarshalAs(UnmanagedType.I1)]
        public bool IsEnabled;

        /// <summary>
        /// Reserved/padding.
        /// </summary>
        private byte _reserved1;

        /// <summary>
        /// The target mix id of the effect.
        /// </summary>
        public int MixId;

        /// <summary>
        /// Address of the processing workbuffer.
        /// </summary>
        /// <remarks>This is additional data that could be required by the effect processing.</remarks>
        public ulong BufferBase;

        /// <summary>
        /// Size of the processing workbuffer.
        /// </summary>
        /// <remarks>This is additional data that could be required by the effect processing.</remarks>
        public ulong BufferSize;

        /// <summary>
        /// Position of the effect while processing effects.
        /// </summary>
        public uint ProcessingOrder;

        /// <summary>
        /// Reserved/padding.
        /// </summary>
        private uint _reserved2;

        /// <summary>
        /// Specific data storage.
        /// </summary>
        private SpecificDataStruct _specificDataStart;

        [StructLayout(LayoutKind.Sequential, Size = 0xA0, Pack = 1)]
        private struct SpecificDataStruct { }

        public Span<byte> SpecificData => SpanHelpers.AsSpan<SpecificDataStruct, byte>(ref _specificDataStart);

        EffectType IEffectInParameter.Type => Type;

        bool IEffectInParameter.IsNew => IsNew;

        bool IEffectInParameter.IsEnabled => IsEnabled;

        int IEffectInParameter.MixId => MixId;

        ulong IEffectInParameter.BufferBase => BufferBase;

        ulong IEffectInParameter.BufferSize => BufferSize;

        uint IEffectInParameter.ProcessingOrder => ProcessingOrder;

        /// <summary>
        ///  Check if the given channel count is valid.
        /// </summary>
        /// <param name="channelCount">The channel count to check</param>
        /// <returns>Returns true if the channel count is valid.</returns>
        public static bool IsChannelCountValid(int channelCount)
        {
            return channelCount == 1 || channelCount == 2 || channelCount == 4 || channelCount == 6;
        }
    }
}