Ryujinx/Ryujinx.HLE/HOS/Services/Audio/AudioRendererManager/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.Text;
namespace Ryujinx.HLE.HOS.Services.Audio.AudioRendererManager
{
class IAudioDevice : IpcService
{
private KEvent _systemEvent;
public IAudioDevice(Horizon system)
{
_systemEvent = new KEvent(system);
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// TODO: We shouldn't be signaling this here.
_systemEvent.ReadableEvent.Signal();
}
[Command(0)]
// ListAudioDeviceName() -> (u32, buffer<bytes, 6>)
public ResultCode 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 ResultCode.Success;
}
[Command(1)]
// SetAudioDeviceOutputVolume(u32, buffer<bytes, 5>)
public ResultCode 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 ResultCode.Success;
}
[Command(3)]
// GetActiveAudioDeviceName() -> buffer<bytes, 6>
public ResultCode 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 ResultCode.Success;
}
[Command(4)]
// QueryAudioDeviceSystemEvent() -> handle<copy, event>
public ResultCode 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 ResultCode.Success;
}
[Command(5)]
// GetActiveChannelCount() -> u32
public ResultCode GetActiveChannelCount(ServiceCtx context)
{
context.ResponseData.Write(2);
Logger.PrintStub(LogClass.ServiceAudio);
return ResultCode.Success;
}
[Command(6)]
// ListAudioDeviceNameAuto() -> (u32, buffer<bytes, 0x22>)
public ResultCode 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 ResultCode.Success;
}
[Command(7)]
// SetAudioDeviceOutputVolumeAuto(u32, buffer<bytes, 0x21>)
public ResultCode 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 ResultCode.Success;
}
[Command(8)]
// GetAudioDeviceOutputVolumeAuto(buffer<bytes, 0x21>) -> u32
public ResultCode GetAudioDeviceOutputVolumeAuto(ServiceCtx context)
{
context.ResponseData.Write(1f);
Logger.PrintStub(LogClass.ServiceAudio);
return ResultCode.Success;
}
[Command(10)]
// GetActiveAudioDeviceNameAuto() -> buffer<bytes, 0x22>
public ResultCode 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 ResultCode.Success;
}
[Command(11)]
// QueryAudioDeviceInputEvent() -> handle<copy, event>
public ResultCode 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 ResultCode.Success;
}
[Command(12)]
// QueryAudioDeviceOutputEvent() -> handle<copy, event>
public ResultCode 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 ResultCode.Success;
}
}
}