diff options
| author | TSR Berry <20988865+TSRBerry@users.noreply.github.com> | 2023-04-08 01:22:00 +0200 |
|---|---|---|
| committer | Mary <thog@protonmail.com> | 2023-04-27 23:51:14 +0200 |
| commit | cee712105850ac3385cd0091a923438167433f9f (patch) | |
| tree | 4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /src/Ryujinx.Audio/Renderer/Dsp/Command/MixRampCommand.cs | |
| parent | cd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff) | |
Move solution and projects to src
Diffstat (limited to 'src/Ryujinx.Audio/Renderer/Dsp/Command/MixRampCommand.cs')
| -rw-r--r-- | src/Ryujinx.Audio/Renderer/Dsp/Command/MixRampCommand.cs | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/Ryujinx.Audio/Renderer/Dsp/Command/MixRampCommand.cs b/src/Ryujinx.Audio/Renderer/Dsp/Command/MixRampCommand.cs new file mode 100644 index 00000000..76a1aba2 --- /dev/null +++ b/src/Ryujinx.Audio/Renderer/Dsp/Command/MixRampCommand.cs @@ -0,0 +1,68 @@ +using Ryujinx.Audio.Renderer.Common; +using System; +using System.Runtime.CompilerServices; + +namespace Ryujinx.Audio.Renderer.Dsp.Command +{ + public class MixRampCommand : ICommand + { + public bool Enabled { get; set; } + + public int NodeId { get; } + + public CommandType CommandType => CommandType.MixRamp; + + public uint EstimatedProcessingTime { get; set; } + + public ushort InputBufferIndex { get; } + public ushort OutputBufferIndex { get; } + + public float Volume0 { get; } + public float Volume1 { get; } + + public Memory<VoiceUpdateState> State { get; } + + public int LastSampleIndex { get; } + + public MixRampCommand(float volume0, float volume1, uint inputBufferIndex, uint outputBufferIndex, int lastSampleIndex, Memory<VoiceUpdateState> state, int nodeId) + { + Enabled = true; + NodeId = nodeId; + + InputBufferIndex = (ushort)inputBufferIndex; + OutputBufferIndex = (ushort)outputBufferIndex; + + Volume0 = volume0; + Volume1 = volume1; + + State = state; + LastSampleIndex = lastSampleIndex; + } + + [MethodImpl(MethodImplOptions.AggressiveInlining)] + private float ProcessMixRamp(Span<float> outputBuffer, ReadOnlySpan<float> inputBuffer, int sampleCount) + { + float ramp = (Volume1 - Volume0) / sampleCount; + float volume = Volume0; + float state = 0; + + for (int i = 0; i < sampleCount; i++) + { + state = FloatingPointHelper.MultiplyRoundUp(inputBuffer[i], volume); + + outputBuffer[i] += state; + volume += ramp; + } + + return state; + } + + public void Process(CommandList context) + { + ReadOnlySpan<float> inputBuffer = context.GetBuffer(InputBufferIndex); + Span<float> outputBuffer = context.GetBuffer(OutputBufferIndex); + + State.Span[0].LastSamples[LastSampleIndex] = ProcessMixRamp(outputBuffer, inputBuffer, (int)context.SampleCount); + } + } +}
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