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ryujinx-final/Ryujinx.HLE/HOS/Services/Aud/AudioOut/IAudioOut.cs

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C#
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using ChocolArm64.Memory;
using Ryujinx.Audio;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Kernel;
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using System;
using System.Collections.Generic;
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namespace Ryujinx.HLE.HOS.Services.Aud.AudioOut
{
class IAudioOut : IpcService, IDisposable
{
private Dictionary<int, ServiceProcessRequest> _commands;
public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => _commands;
private IAalOutput _audioOut;
private KEvent _releaseEvent;
private int _track;
public IAudioOut(IAalOutput audioOut, KEvent releaseEvent, int track)
{
_commands = new Dictionary<int, ServiceProcessRequest>
{
{ 0, GetAudioOutState },
{ 1, StartAudioOut },
{ 2, StopAudioOut },
{ 3, AppendAudioOutBuffer },
{ 4, RegisterBufferEvent },
{ 5, GetReleasedAudioOutBuffer },
{ 6, ContainsAudioOutBuffer },
{ 7, AppendAudioOutBufferAuto },
{ 8, GetReleasedAudioOutBufferAuto }
};
_audioOut = audioOut;
_releaseEvent = releaseEvent;
_track = track;
}
public long GetAudioOutState(ServiceCtx context)
{
context.ResponseData.Write((int)_audioOut.GetState(_track));
return 0;
}
public long StartAudioOut(ServiceCtx context)
{
_audioOut.Start(_track);
return 0;
}
public long StopAudioOut(ServiceCtx context)
{
_audioOut.Stop(_track);
return 0;
}
public long AppendAudioOutBuffer(ServiceCtx context)
{
return AppendAudioOutBufferImpl(context, context.Request.SendBuff[0].Position);
}
public long RegisterBufferEvent(ServiceCtx context)
{
if (context.Process.HandleTable.GenerateHandle(_releaseEvent.ReadableEvent, out int handle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
context.Response.HandleDesc = IpcHandleDesc.MakeCopy(handle);
return 0;
}
public long GetReleasedAudioOutBuffer(ServiceCtx context)
{
long position = context.Request.ReceiveBuff[0].Position;
long size = context.Request.ReceiveBuff[0].Size;
return GetReleasedAudioOutBufferImpl(context, position, size);
}
public long ContainsAudioOutBuffer(ServiceCtx context)
{
long tag = context.RequestData.ReadInt64();
context.ResponseData.Write(_audioOut.ContainsBuffer(_track, tag) ? 1 : 0);
return 0;
}
public long AppendAudioOutBufferAuto(ServiceCtx context)
{
(long position, long size) = context.Request.GetBufferType0x21();
return AppendAudioOutBufferImpl(context, position);
}
public long AppendAudioOutBufferImpl(ServiceCtx context, long position)
{
long tag = context.RequestData.ReadInt64();
AudioOutData data = MemoryHelper.Read<AudioOutData>(
context.Memory,
position);
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byte[] buffer = context.Memory.ReadBytes(
data.SampleBufferPtr,
data.SampleBufferSize);
_audioOut.AppendBuffer(_track, tag, buffer);
return 0;
}
public long GetReleasedAudioOutBufferAuto(ServiceCtx context)
{
(long position, long size) = context.Request.GetBufferType0x22();
return GetReleasedAudioOutBufferImpl(context, position, size);
}
public long GetReleasedAudioOutBufferImpl(ServiceCtx context, long position, long size)
{
uint count = (uint)((ulong)size >> 3);
long[] releasedBuffers = _audioOut.GetReleasedBuffers(_track, (int)count);
for (uint index = 0; index < count; index++)
{
long tag = 0;
if (index < releasedBuffers.Length)
{
tag = releasedBuffers[index];
}
context.Memory.WriteInt64(position + index * 8, tag);
}
context.ResponseData.Write(releasedBuffers.Length);
return 0;
}
public void Dispose()
{
Dispose(true);
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
_audioOut.CloseTrack(_track);
}
}
}
}