Ryujinx/Ryujinx.Core/OsHle/Services/Aud/IAudioDevice.cs

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using ChocolArm64.Memory;
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using Ryujinx.Core.Logging;
using Ryujinx.Core.OsHle.Handles;
using Ryujinx.Core.OsHle.Ipc;
using System.Collections.Generic;
using System.Text;
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namespace Ryujinx.Core.OsHle.Services.Aud
{
class IAudioDevice : IpcService
{
private Dictionary<int, ServiceProcessRequest> m_Commands;
public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
private KEvent SystemEvent;
public IAudioDevice()
{
m_Commands = new Dictionary<int, ServiceProcessRequest>()
{
{ 0, ListAudioDeviceName },
{ 1, SetAudioDeviceOutputVolume },
{ 3, GetActiveAudioDeviceName },
{ 4, QueryAudioDeviceSystemEvent },
{ 5, GetActiveChannelCount }
};
SystemEvent = new KEvent();
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//TODO: We shouldn't be signaling this here.
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SystemEvent.WaitEvent.Set();
}
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)
{
Context.Ns.Log.PrintError(LogClass.ServiceAudio, $"Output buffer size {Size} too small!");
break;
}
AMemoryHelper.WriteBytes(Context.Memory, 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 = AMemoryHelper.ReadBytes(Context.Memory, Position, Size);
string DeviceName = Encoding.ASCII.GetString(DeviceNameBuffer);
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Context.Ns.Log.PrintStub(LogClass.ServiceAudio, "Stubbed.");
return 0;
}
public long GetActiveAudioDeviceName(ServiceCtx Context)
{
string Name = Context.Ns.Os.SystemState.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)
{
AMemoryHelper.WriteBytes(Context.Memory, Position, DeviceNameBuffer);
}
else
{
Context.Ns.Log.PrintError(LogClass.ServiceAudio, $"Output buffer size {Size} too small!");
}
return 0;
}
public long QueryAudioDeviceSystemEvent(ServiceCtx Context)
{
int Handle = Context.Process.HandleTable.OpenHandle(SystemEvent);
Context.Response.HandleDesc = IpcHandleDesc.MakeCopy(Handle);
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Context.Ns.Log.PrintStub(LogClass.ServiceAudio, "Stubbed.");
return 0;
}
public long GetActiveChannelCount(ServiceCtx Context)
{
Context.ResponseData.Write(2);
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Context.Ns.Log.PrintStub(LogClass.ServiceAudio, "Stubbed.");
return 0;
}
}
}