Ryujinx/Ryujinx.HLE/OsHle/Services/Aud/IAudioOutManager.cs
2018-06-15 17:54:18 +02:00

138 lines
4.4 KiB
C#

using ChocolArm64.Memory;
using Ryujinx.Audio;
using Ryujinx.HLE.Logging;
using Ryujinx.HLE.OsHle.Handles;
using Ryujinx.HLE.OsHle.Ipc;
using System.Collections.Generic;
using System.Text;
namespace Ryujinx.HLE.OsHle.Services.Aud
{
class IAudioOutManager : IpcService
{
private const string DefaultAudioOutput = "DeviceOut";
private Dictionary<int, ServiceProcessRequest> m_Commands;
public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
public IAudioOutManager()
{
m_Commands = new Dictionary<int, ServiceProcessRequest>()
{
{ 0, ListAudioOuts },
{ 1, OpenAudioOut },
{ 2, ListAudioOutsAuto },
{ 3, OpenAudioOutAuto }
};
}
public long ListAudioOuts(ServiceCtx Context)
{
ListAudioOutsMethod(Context, Context.Request.ReceiveBuff[0].Position, Context.Request.ReceiveBuff[0].Size);
return 0;
}
public long OpenAudioOut(ServiceCtx Context)
{
OpenAudioOutMethod(Context, Context.Request.SendBuff[0].Position, Context.Request.SendBuff[0].Size,
Context.Request.ReceiveBuff[0].Position, Context.Request.ReceiveBuff[0].Size);
return 0;
}
public long ListAudioOutsAuto(ServiceCtx Context)
{
ListAudioOutsMethod(Context, Context.Request.GetBufferType0x22().Position, Context.Request.GetBufferType0x22().Size);
return 0;
}
public long OpenAudioOutAuto(ServiceCtx Context)
{
OpenAudioOutMethod(Context, Context.Request.GetBufferType0x21().Position, Context.Request.GetBufferType0x21().Size,
Context.Request.GetBufferType0x22().Position, Context.Request.GetBufferType0x22().Size);
return 0;
}
public void ListAudioOutsMethod(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
{
Context.Ns.Log.PrintError(LogClass.ServiceAudio, $"Output buffer size {Size} too small!");
}
Context.ResponseData.Write(NameCount);
}
public void OpenAudioOutMethod(ServiceCtx Context, long SendPosition, long SendSize, long ReceivePosition, long ReceiveSize)
{
IAalOutput AudioOut = Context.Ns.AudioOut;
string DeviceName = AMemoryHelper.ReadAsciiString(
Context.Memory,
SendPosition,
SendSize
);
if (DeviceName == string.Empty)
{
DeviceName = DefaultAudioOutput;
}
byte[] DeviceNameBuffer = Encoding.ASCII.GetBytes(DeviceName + "\0");
if ((ulong)DeviceNameBuffer.Length <= (ulong)ReceiveSize)
{
Context.Memory.WriteBytes(ReceivePosition, DeviceNameBuffer);
}
else
{
Context.Ns.Log.PrintError(LogClass.ServiceAudio, $"Output buffer size {ReceiveSize} too small!");
}
int SampleRate = Context.RequestData.ReadInt32();
int Channels = Context.RequestData.ReadInt32();
Channels = (ushort)(Channels >> 16);
if (SampleRate == 0)
{
SampleRate = 48000;
}
if (Channels < 1 || Channels > 2)
{
Channels = 2;
}
KEvent ReleaseEvent = new KEvent();
ReleaseCallback Callback = () =>
{
ReleaseEvent.WaitEvent.Set();
};
int Track = AudioOut.OpenTrack(SampleRate, Channels, Callback, out AudioFormat Format);
MakeObject(Context, new IAudioOut(AudioOut, ReleaseEvent, Track));
Context.ResponseData.Write(SampleRate);
Context.ResponseData.Write(Channels);
Context.ResponseData.Write((int)Format);
Context.ResponseData.Write((int)PlaybackState.Stopped);
}
}
}