mirror of
https://github.com/Ryujinx/Ryujinx.git
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4c2ab880ef
* Ryujinx.Audio: Remove BOM from files * misc: Relicense Ryujinx.Audio under the terms of the MIT license With the approvals of all the Ryujinx.Audio contributors, this commit changes Ryujinx.Audio license from LGPLv3 to MIT.
91 lines
2.9 KiB
C#
91 lines
2.9 KiB
C#
using Ryujinx.Audio.Integration;
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using Ryujinx.Audio.Renderer.Server.Sink;
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using System;
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using System.Runtime.CompilerServices;
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using System.Text;
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namespace Ryujinx.Audio.Renderer.Dsp.Command
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{
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public class DeviceSinkCommand : ICommand
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{
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public bool Enabled { get; set; }
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public int NodeId { get; }
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public CommandType CommandType => CommandType.DeviceSink;
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public ulong EstimatedProcessingTime { get; set; }
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public string DeviceName { get; }
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public int SessionId { get; }
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public uint InputCount { get; }
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public ushort[] InputBufferIndices { get; }
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public Memory<float> Buffers { get; }
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public DeviceSinkCommand(uint bufferOffset, DeviceSink sink, int sessionId, Memory<float> buffers, int nodeId)
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{
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Enabled = true;
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NodeId = nodeId;
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DeviceName = Encoding.ASCII.GetString(sink.Parameter.DeviceName).TrimEnd('\0');
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SessionId = sessionId;
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InputCount = sink.Parameter.InputCount;
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InputBufferIndices = new ushort[InputCount];
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for (int i = 0; i < Math.Min(InputCount, Constants.ChannelCountMax); i++)
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{
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InputBufferIndices[i] = (ushort)(bufferOffset + sink.Parameter.Input[i]);
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}
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if (sink.UpsamplerState != null)
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{
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Buffers = sink.UpsamplerState.OutputBuffer;
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}
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else
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{
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Buffers = buffers;
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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private Span<float> GetBuffer(int index, int sampleCount)
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{
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return Buffers.Span.Slice(index * sampleCount, sampleCount);
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}
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public void Process(CommandList context)
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{
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IHardwareDevice device = context.OutputDevice;
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if (device.GetSampleRate() == Constants.TargetSampleRate)
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{
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int channelCount = (int)device.GetChannelCount();
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uint bufferCount = Math.Min(device.GetChannelCount(), InputCount);
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const int sampleCount = Constants.TargetSampleCount;
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short[] outputBuffer = new short[bufferCount * sampleCount];
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for (int i = 0; i < bufferCount; i++)
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{
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ReadOnlySpan<float> inputBuffer = GetBuffer(InputBufferIndices[i], sampleCount);
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for (int j = 0; j < sampleCount; j++)
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{
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outputBuffer[i + j * channelCount] = PcmHelper.Saturate(inputBuffer[j]);
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}
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}
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device.AppendBuffer(outputBuffer, InputCount);
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}
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else
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{
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// TODO: support resampling for device only supporting something different
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throw new NotImplementedException();
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}
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}
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}
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}
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