85 lines
2.6 KiB
C#
85 lines
2.6 KiB
C#
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//
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// Copyright (c) 2019-2020 Ryujinx
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//
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using Ryujinx.Common.Utilities;
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using System;
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using System.Runtime.InteropServices;
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namespace Ryujinx.Audio.Renderer.Parameter
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{
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/// <summary>
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/// Input header for a splitter destination update.
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/// </summary>
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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public struct SplitterDestinationInParameter
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{
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/// <summary>
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/// Magic of the input header.
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/// </summary>
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public uint Magic;
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/// <summary>
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/// Target splitter destination data id.
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/// </summary>
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public int Id;
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/// <summary>
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/// Mix buffer volumes storage.
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/// </summary>
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private MixArray _mixBufferVolume;
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/// <summary>
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/// The mix to output the result of the splitter.
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/// </summary>
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public int DestinationId;
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/// <summary>
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/// Set to true if in use.
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/// </summary>
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[MarshalAs(UnmanagedType.I1)]
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public bool IsUsed;
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/// <summary>
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/// Reserved/padding.
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/// </summary>
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private unsafe fixed byte _reserved[3];
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[StructLayout(LayoutKind.Sequential, Size = 4 * RendererConstants.MixBufferCountMax, Pack = 1)]
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private struct MixArray { }
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/// <summary>
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/// Mix buffer volumes.
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/// </summary>
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/// <remarks>Used when a splitter id is specified in the mix.</remarks>
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public Span<float> MixBufferVolume => SpanHelpers.AsSpan<MixArray, float>(ref _mixBufferVolume);
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/// <summary>
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/// The expected constant of any input header.
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/// </summary>
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private const uint ValidMagic = 0x44444E53;
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/// <summary>
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/// Check if the magic is valid.
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/// </summary>
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/// <returns>Returns true if the magic is valid.</returns>
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public bool IsMagicValid()
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{
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return Magic == ValidMagic;
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}
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}
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}
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