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This is the first commit of a series of reformat around the codebase as discussed internally some weeks ago. This project being one that isn't touched that much, it shouldn't cause conflict with any opened PRs.
99 lines
No EOL
2.7 KiB
C#
99 lines
No EOL
2.7 KiB
C#
using Ryujinx.Audio.Integration;
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using System;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace Ryujinx.Audio.Renderer.Utils
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{
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/// <summary>
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/// A <see cref="IHardwareDevice"/> that outputs to a wav file.
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/// </summary>
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public class FileHardwareDevice : IHardwareDevice
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{
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private FileStream _stream;
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private uint _channelCount;
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private uint _sampleRate;
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private const int HeaderSize = 44;
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public FileHardwareDevice(string path, uint channelCount, uint sampleRate)
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{
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_stream = File.OpenWrite(path);
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_channelCount = channelCount;
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_sampleRate = sampleRate;
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_stream.Seek(HeaderSize, SeekOrigin.Begin);
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}
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private void UpdateHeader()
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{
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var writer = new BinaryWriter(_stream);
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long currentPos = writer.Seek(0, SeekOrigin.Current);
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writer.Seek(0, SeekOrigin.Begin);
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writer.Write(Encoding.ASCII.GetBytes("RIFF"));
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writer.Write((int)(writer.BaseStream.Length - 8));
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writer.Write(Encoding.ASCII.GetBytes("WAVE"));
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writer.Write(Encoding.ASCII.GetBytes("fmt "));
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writer.Write(16);
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writer.Write((short)1);
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writer.Write((short)GetChannelCount());
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writer.Write(GetSampleRate());
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writer.Write(GetSampleRate() * GetChannelCount() * sizeof(short));
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writer.Write((short)(GetChannelCount() * sizeof(short)));
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writer.Write((short)(sizeof(short) * 8));
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writer.Write(Encoding.ASCII.GetBytes("data"));
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writer.Write((int)(writer.BaseStream.Length - HeaderSize));
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writer.Seek((int)currentPos, SeekOrigin.Begin);
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}
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public void AppendBuffer(ReadOnlySpan<short> data, uint channelCount)
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{
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_stream.Write(MemoryMarshal.Cast<short, byte>(data));
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UpdateHeader();
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_stream.Flush();
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}
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public void SetVolume(float volume)
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{
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// Do nothing, volume is not used for FileHardwareDevice at the moment.
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}
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public float GetVolume()
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{
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// FileHardwareDevice does not incorporate volume.
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return 0;
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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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_stream?.Flush();
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_stream?.Dispose();
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_stream = null;
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}
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}
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}
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} |