Ryujinx/Ryujinx.HLE/HOS/Services/Aud/IAudioDevice.cs

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C#
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using Ryujinx.Common.Logging;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Threading;
using Ryujinx.HLE.HOS.SystemState;
using System;
using System.Collections.Generic;
using System.Text;
namespace Ryujinx.HLE.HOS.Services.Aud
{
class IAudioDevice : IpcService
{
private Dictionary<int, ServiceProcessRequest> _commands;
public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => _commands;
private KEvent _systemEvent;
public IAudioDevice(Horizon system)
{
_commands = new Dictionary<int, ServiceProcessRequest>
{
{ 0, ListAudioDeviceName },
{ 1, SetAudioDeviceOutputVolume },
{ 3, GetActiveAudioDeviceName },
{ 4, QueryAudioDeviceSystemEvent },
{ 5, GetActiveChannelCount },
{ 6, ListAudioDeviceNameAuto },
{ 7, SetAudioDeviceOutputVolumeAuto },
{ 8, GetAudioDeviceOutputVolumeAuto },
{ 10, GetActiveAudioDeviceNameAuto },
{ 11, QueryAudioDeviceInputEvent },
{ 12, QueryAudioDeviceOutputEvent }
};
_systemEvent = new KEvent(system);
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// TODO: We shouldn't be signaling this here.
_systemEvent.ReadableEvent.Signal();
}
public long ListAudioDeviceName(ServiceCtx context)
{
string[] deviceNames = SystemStateMgr.AudioOutputs;
context.ResponseData.Write(deviceNames.Length);
long position = context.Request.ReceiveBuff[0].Position;
long size = context.Request.ReceiveBuff[0].Size;
long basePosition = position;
foreach (string name in deviceNames)
{
byte[] buffer = Encoding.ASCII.GetBytes(name + "\0");
if ((position - basePosition) + buffer.Length > size)
{
Logger.PrintError(LogClass.ServiceAudio, $"Output buffer size {size} too small!");
break;
}
context.Memory.WriteBytes(position, buffer);
position += buffer.Length;
}
return 0;
}
public long SetAudioDeviceOutputVolume(ServiceCtx context)
{
float volume = context.RequestData.ReadSingle();
long position = context.Request.SendBuff[0].Position;
long size = context.Request.SendBuff[0].Size;
byte[] deviceNameBuffer = context.Memory.ReadBytes(position, size);
string deviceName = Encoding.ASCII.GetString(deviceNameBuffer);
Logger.PrintStub(LogClass.ServiceAudio);
return 0;
}
public long GetActiveAudioDeviceName(ServiceCtx context)
{
string name = context.Device.System.State.ActiveAudioOutput;
long position = context.Request.ReceiveBuff[0].Position;
long size = context.Request.ReceiveBuff[0].Size;
byte[] deviceNameBuffer = Encoding.ASCII.GetBytes(name + "\0");
if ((ulong)deviceNameBuffer.Length <= (ulong)size)
{
context.Memory.WriteBytes(position, deviceNameBuffer);
}
else
{
Logger.PrintError(LogClass.ServiceAudio, $"Output buffer size {size} too small!");
}
return 0;
}
public long QueryAudioDeviceSystemEvent(ServiceCtx context)
{
if (context.Process.HandleTable.GenerateHandle(_systemEvent.ReadableEvent, out int handle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
context.Response.HandleDesc = IpcHandleDesc.MakeCopy(handle);
Logger.PrintStub(LogClass.ServiceAudio);
return 0;
}
public long GetActiveChannelCount(ServiceCtx context)
{
context.ResponseData.Write(2);
Logger.PrintStub(LogClass.ServiceAudio);
return 0;
}
public long ListAudioDeviceNameAuto(ServiceCtx context)
{
string[] deviceNames = SystemStateMgr.AudioOutputs;
context.ResponseData.Write(deviceNames.Length);
(long position, long size) = context.Request.GetBufferType0x22();
long basePosition = position;
foreach (string name in deviceNames)
{
byte[] buffer = Encoding.UTF8.GetBytes(name + '\0');
if ((position - basePosition) + buffer.Length > size)
{
Logger.PrintError(LogClass.ServiceAudio, $"Output buffer size {size} too small!");
break;
}
context.Memory.WriteBytes(position, buffer);
position += buffer.Length;
}
return 0;
}
public long SetAudioDeviceOutputVolumeAuto(ServiceCtx context)
{
float volume = context.RequestData.ReadSingle();
(long position, long size) = context.Request.GetBufferType0x21();
byte[] deviceNameBuffer = context.Memory.ReadBytes(position, size);
string deviceName = Encoding.UTF8.GetString(deviceNameBuffer);
Logger.PrintStub(LogClass.ServiceAudio);
return 0;
}
public long GetAudioDeviceOutputVolumeAuto(ServiceCtx context)
{
context.ResponseData.Write(1f);
Logger.PrintStub(LogClass.ServiceAudio);
return 0;
}
public long GetActiveAudioDeviceNameAuto(ServiceCtx context)
{
string name = context.Device.System.State.ActiveAudioOutput;
(long position, long size) = context.Request.GetBufferType0x22();
byte[] deviceNameBuffer = Encoding.UTF8.GetBytes(name + '\0');
if ((ulong)deviceNameBuffer.Length <= (ulong)size)
{
context.Memory.WriteBytes(position, deviceNameBuffer);
}
else
{
Logger.PrintError(LogClass.ServiceAudio, $"Output buffer size {size} too small!");
}
return 0;
}
public long QueryAudioDeviceInputEvent(ServiceCtx context)
{
if (context.Process.HandleTable.GenerateHandle(_systemEvent.ReadableEvent, out int handle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
context.Response.HandleDesc = IpcHandleDesc.MakeCopy(handle);
Logger.PrintStub(LogClass.ServiceAudio);
return 0;
}
public long QueryAudioDeviceOutputEvent(ServiceCtx context)
{
if (context.Process.HandleTable.GenerateHandle(_systemEvent.ReadableEvent, out int handle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
context.Response.HandleDesc = IpcHandleDesc.MakeCopy(handle);
Logger.PrintStub(LogClass.ServiceAudio);
return 0;
}
}
}