mirror of
https://github.com/ryujinx-mirror/ryujinx.git
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99 lines
2.5 KiB
C#
99 lines
2.5 KiB
C#
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using Ryujinx.Audio;
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using Ryujinx.Audio.Renderer;
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using Ryujinx.Audio.Renderer.Integration;
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using System;
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using System.Collections.Generic;
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using System.Threading;
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namespace Ryujinx.HLE.HOS.Services.Audio.AudioRenderer
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{
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public class AalHardwareDevice : HardwareDevice
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{
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private IAalOutput _output;
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private int _trackId;
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private int _bufferTag;
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private int _nextTag;
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private AutoResetEvent _releaseEvent;
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private uint _channelCount;
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private uint _sampleRate;
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private short[] _buffer;
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private Queue<long> _releasedTags;
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public AalHardwareDevice(int bufferTag, IAalOutput output, uint channelCount, uint sampleRate)
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{
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_bufferTag = bufferTag;
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_channelCount = channelCount;
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_sampleRate = sampleRate;
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_output = output;
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_releaseEvent = new AutoResetEvent(true);
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_trackId = _output.OpenTrack((int)sampleRate, (int)channelCount, AudioCallback);
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_releasedTags = new Queue<long>();
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_buffer = new short[RendererConstants.TargetSampleCount * channelCount];
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_output.Start(_trackId);
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}
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private void AudioCallback()
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{
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long[] released = _output.GetReleasedBuffers(_trackId, int.MaxValue);
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lock (_releasedTags)
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{
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foreach (long tag in released)
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{
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_releasedTags.Enqueue(tag);
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}
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}
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}
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private long GetReleasedTag()
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{
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lock (_releasedTags)
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{
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if (_releasedTags.Count > 0)
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{
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return _releasedTags.Dequeue();
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}
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return (_bufferTag << 16) | (_nextTag++);
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}
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}
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public void AppendBuffer(ReadOnlySpan<short> data, uint channelCount)
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{
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data.CopyTo(_buffer.AsSpan());
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_output.AppendBuffer(_trackId, GetReleasedTag(), _buffer);
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}
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public uint GetChannelCount()
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{
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return _channelCount;
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}
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public uint GetSampleRate()
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{
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return _sampleRate;
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}
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public void Dispose()
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{
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Dispose(true);
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}
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protected virtual void Dispose(bool disposing)
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{
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if (disposing)
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{
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_output.Stop(_trackId);
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_output.CloseTrack(_trackId);
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_releaseEvent.Dispose();
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}
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}
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}
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}
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