Move solution and projects to src

1 files changed, 175 insertions, 0 deletions

diff --git a/src/Ryujinx.Audio/Constants.cs b/src/Ryujinx.Audio/Constants.cs
new file mode 100644
index 00000000..7d2ffa57
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+++ b/src/Ryujinx.Audio/Constants.cs
@@ -0,0 +1,175 @@
+namespace Ryujinx.Audio
+{
+    /// <summary>
+    /// Define constants used by the audio system.
+    /// </summary>
+    public static class Constants
+    {
+        /// <summary>
+        /// The default device output name.
+        /// </summary>
+        public const string DefaultDeviceOutputName = "DeviceOut";
+
+        /// <summary>
+        /// The default device input name.
+        /// </summary>
+        public const string DefaultDeviceInputName = "BuiltInHeadset";
+
+        /// <summary>
+        /// The maximum number of channels supported. (6 channels for 5.1 surround)
+        /// </summary>
+        public const int ChannelCountMax = 6;
+
+        /// <summary>
+        /// The maximum number of channels supported per voice.
+        /// </summary>
+        public const int VoiceChannelCountMax = ChannelCountMax;
+
+        /// <summary>
+        /// The maximum count of mix buffer supported per operations (volumes, mix effect, ...)
+        /// </summary>
+        public const int MixBufferCountMax = 24;
+
+        /// <summary>
+        /// The maximum count of wavebuffer per voice.
+        /// </summary>
+        public const int VoiceWaveBufferCount = 4;
+
+        /// <summary>
+        /// The maximum count of biquad filter per voice.
+        /// </summary>
+        public const int VoiceBiquadFilterCount = 2;
+
+        /// <summary>
+        /// The lowest priority that a voice can have.
+        /// </summary>
+        public const int VoiceLowestPriority = 0xFF;
+
+        /// <summary>
+        /// The highest priority that a voice can have.
+        /// </summary>
+        /// <remarks>Voices with the highest priority will not be dropped if a voice drop needs to occur.</remarks>
+        public const int VoiceHighestPriority = 0;
+
+        /// <summary>
+        /// Maximum <see cref="Common.BehaviourParameter.ErrorInfo"/> that can be returned by <see cref="Parameter.BehaviourErrorInfoOutStatus"/>.
+        /// </summary>
+        public const int MaxErrorInfos = 10;
+
+        /// <summary>
+        /// Default alignment for buffers.
+        /// </summary>
+        public const int BufferAlignment = 0x40;
+
+        /// <summary>
+        /// Alignment required for the work buffer.
+        /// </summary>
+        public const int WorkBufferAlignment = 0x1000;
+
+        /// <summary>
+        /// Alignment required for every performance metrics frame.
+        /// </summary>
+        public const int PerformanceMetricsPerFramesSizeAlignment = 0x100;
+
+        /// <summary>
+        /// The id of the final mix.
+        /// </summary>
+        public const int FinalMixId = 0;
+
+        /// <summary>
+        /// The id defining an unused mix id.
+        /// </summary>
+        public const int UnusedMixId = int.MaxValue;
+
+        /// <summary>
+        /// The id defining an unused splitter id as a signed integer.
+        /// </summary>
+        public const int UnusedSplitterIdInt = -1;
+
+        /// <summary>
+        /// The id defining an unused splitter id.
+        /// </summary>
+        public const uint UnusedSplitterId = uint.MaxValue;
+
+        /// <summary>
+        /// The id of invalid/unused node id.
+        /// </summary>
+        public const int InvalidNodeId = -268435456;
+
+        /// <summary>
+        /// The indice considered invalid for processing order.
+        /// </summary>
+        public const int InvalidProcessingOrder = -1;
+
+        /// <summary>
+        /// The maximum number of audio renderer sessions allowed to be created system wide.
+        /// </summary>
+        public const int AudioRendererSessionCountMax = 2;
+
+        /// <summary>
+        /// The maximum number of audio output sessions allowed to be created system wide.
+        /// </summary>
+        public const int AudioOutSessionCountMax = 12;
+
+        /// <summary>
+        /// The maximum number of audio input sessions allowed to be created system wide.
+        /// </summary>
+        public const int AudioInSessionCountMax = 4;
+
+        /// <summary>
+        /// Maximum buffers supported by one audio device session.
+        /// </summary>
+        public const int AudioDeviceBufferCountMax = 32;
+
+        /// <summary>
+        /// The target sample rate of the audio renderer. (48kHz)
+        /// </summary>
+        public const uint TargetSampleRate = 48000;
+
+        /// <summary>
+        /// The target sample size of the audio renderer. (PCM16)
+        /// </summary>
+        public const int TargetSampleSize = sizeof(ushort);
+
+        /// <summary>
+        /// The target sample count per audio renderer update.
+        /// </summary>
+        public const int TargetSampleCount = 240;
+
+        /// <summary>
+        /// The size of an upsampler entry to process upsampling to <see cref="TargetSampleRate"/>.
+        /// </summary>
+        public const int UpSampleEntrySize = TargetSampleCount * VoiceChannelCountMax;
+
+        /// <summary>
+        /// The target audio latency computed from <see cref="TargetSampleRate"/> and <see cref="TargetSampleCount"/>.
+        /// </summary>
+        public const int AudioProcessorMaxUpdateTimeTarget = 1000000000 / ((int)TargetSampleRate / TargetSampleCount); // 5.00 ms
+
+        /// <summary>
+        /// The maximum update time of the DSP on original hardware.
+        /// </summary>
+        public const int AudioProcessorMaxUpdateTime = 5760000; // 5.76 ms
+
+        /// <summary>
+        /// The maximum update time per audio renderer session.
+        /// </summary>
+        public const int AudioProcessorMaxUpdateTimePerSessions = AudioProcessorMaxUpdateTime / AudioRendererSessionCountMax;
+
+        /// <summary>
+        /// Guest timer frequency used for system ticks.
+        /// </summary>
+        public const int TargetTimerFrequency = 19200000;
+
+        /// <summary>
+        /// The default coefficients used for standard 5.1 surround to stereo downmixing.
+        /// </summary>
+        public static float[] DefaultSurroundToStereoCoefficients = new float[4]
+        {
+            1.0f,
+            0.707f,
+            0.251f,
+            0.707f,
+        };
+    }
+}
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