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ryujinx-final/Ryujinx.HLE/HOS/Services/Aud/IAudioOutManager.cs

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using ChocolArm64.Memory;
using Ryujinx.Audio;
using Ryujinx.Common.Logging;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Kernel;
using Ryujinx.HLE.HOS.Services.Aud.AudioOut;
using System.Collections.Generic;
using System.Text;
using static Ryujinx.HLE.HOS.ErrorCode;
namespace Ryujinx.HLE.HOS.Services.Aud
{
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class IAudioOutManager : IpcService
{
private const string DefaultAudioOutput = "DeviceOut";
private const int DefaultSampleRate = 48000;
private const int DefaultChannelsCount = 2;
private Dictionary<int, ServiceProcessRequest> m_Commands;
public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
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public IAudioOutManager()
{
m_Commands = new Dictionary<int, ServiceProcessRequest>()
{
{ 0, ListAudioOuts },
{ 1, OpenAudioOut },
{ 2, ListAudioOutsAuto },
{ 3, OpenAudioOutAuto }
};
}
public long ListAudioOuts(ServiceCtx Context)
{
return ListAudioOutsImpl(
Context,
Context.Request.ReceiveBuff[0].Position,
Context.Request.ReceiveBuff[0].Size);
}
public long OpenAudioOut(ServiceCtx Context)
{
return OpenAudioOutImpl(
Context,
Context.Request.SendBuff[0].Position,
Context.Request.SendBuff[0].Size,
Context.Request.ReceiveBuff[0].Position,
Context.Request.ReceiveBuff[0].Size);
}
public long ListAudioOutsAuto(ServiceCtx Context)
{
(long RecvPosition, long RecvSize) = Context.Request.GetBufferType0x22();
return ListAudioOutsImpl(Context, RecvPosition, RecvSize);
}
public long OpenAudioOutAuto(ServiceCtx Context)
{
(long SendPosition, long SendSize) = Context.Request.GetBufferType0x21();
(long RecvPosition, long RecvSize) = Context.Request.GetBufferType0x22();
return OpenAudioOutImpl(
Context,
SendPosition,
SendSize,
RecvPosition,
RecvSize);
}
private long ListAudioOutsImpl(ServiceCtx Context, long Position, long Size)
{
int NameCount = 0;
byte[] DeviceNameBuffer = Encoding.ASCII.GetBytes(DefaultAudioOutput + "\0");
if ((ulong)DeviceNameBuffer.Length <= (ulong)Size)
{
Context.Memory.WriteBytes(Position, DeviceNameBuffer);
NameCount++;
}
else
{
Logger.PrintError(LogClass.ServiceAudio, $"Output buffer size {Size} too small!");
}
Context.ResponseData.Write(NameCount);
return 0;
}
private long OpenAudioOutImpl(ServiceCtx Context, long SendPosition, long SendSize, long ReceivePosition, long ReceiveSize)
{
string DeviceName = MemoryHelper.ReadAsciiString(
Context.Memory,
SendPosition,
SendSize);
if (DeviceName == string.Empty)
{
DeviceName = DefaultAudioOutput;
}
if (DeviceName != DefaultAudioOutput)
{
Logger.PrintWarning(LogClass.Audio, "Invalid device name!");
return MakeError(ErrorModule.Audio, AudErr.DeviceNotFound);
}
byte[] DeviceNameBuffer = Encoding.ASCII.GetBytes(DeviceName + "\0");
if ((ulong)DeviceNameBuffer.Length <= (ulong)ReceiveSize)
{
Context.Memory.WriteBytes(ReceivePosition, DeviceNameBuffer);
}
else
{
Logger.PrintError(LogClass.ServiceAudio, $"Output buffer size {ReceiveSize} too small!");
}
int SampleRate = Context.RequestData.ReadInt32();
int Channels = Context.RequestData.ReadInt32();
if (SampleRate == 0)
{
SampleRate = DefaultSampleRate;
}
if (SampleRate != DefaultSampleRate)
{
Logger.PrintWarning(LogClass.Audio, "Invalid sample rate!");
return MakeError(ErrorModule.Audio, AudErr.UnsupportedSampleRate);
}
Channels = (ushort)Channels;
if (Channels == 0)
{
Channels = DefaultChannelsCount;
}
KEvent ReleaseEvent = new KEvent(Context.Device.System);
ReleaseCallback Callback = () =>
{
ReleaseEvent.ReadableEvent.Signal();
};
IAalOutput AudioOut = Context.Device.AudioOut;
int Track = AudioOut.OpenTrack(SampleRate, Channels, Callback);
MakeObject(Context, new IAudioOut(AudioOut, ReleaseEvent, Track));
Context.ResponseData.Write(SampleRate);
Context.ResponseData.Write(Channels);
Context.ResponseData.Write((int)SampleFormat.PcmInt16);
Context.ResponseData.Write((int)PlaybackState.Stopped);
return 0;
}
}
}