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using ARMeilleure.Memory;
using Ryujinx.Audio;
using Ryujinx.Common.Logging;
using Ryujinx.HLE.HOS.Kernel.Threading;
using Ryujinx.HLE.HOS.Services.Audio.AudioOutManager;
using System.Text;
namespace Ryujinx.HLE.HOS.Services.Audio
{
[Service("audout:u")]
class IAudioOutManager : IpcService
{
private const string DefaultAudioOutput = "DeviceOut";
private const int DefaultSampleRate = 48000;
private const int DefaultChannelsCount = 2;
public IAudioOutManager(ServiceCtx context) { }
[Command(0)]
// ListAudioOuts() -> (u32 count, buffer<bytes, 6>)
public ResultCode ListAudioOuts(ServiceCtx context)
{
return ListAudioOutsImpl(
context,
context.Request.ReceiveBuff[0].Position,
context.Request.ReceiveBuff[0].Size);
}
[Command(1)]
// OpenAudioOut(u32 sample_rate, u16 unused, u16 channel_count, nn::applet::AppletResourceUserId, pid, handle<copy, process>, buffer<bytes, 5> name_in)
// -> (u32 sample_rate, u32 channel_count, u32 pcm_format, u32, object<nn::audio::detail::IAudioOut>, buffer<bytes, 6> name_out)
public ResultCode 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);
}
[Command(2)] // 3.0.0+
// ListAudioOutsAuto() -> (u32 count, buffer<bytes, 0x22>)
public ResultCode ListAudioOutsAuto(ServiceCtx context)
{
(long recvPosition, long recvSize) = context.Request.GetBufferType0x22();
return ListAudioOutsImpl(context, recvPosition, recvSize);
}
[Command(3)] // 3.0.0+
// OpenAudioOutAuto(u32 sample_rate, u16 unused, u16 channel_count, nn::applet::AppletResourceUserId, pid, handle<copy, process>, buffer<bytes, 0x21>)
// -> (u32 sample_rate, u32 channel_count, u32 pcm_format, u32, object<nn::audio::detail::IAudioOut>, buffer<bytes, 0x22> name_out)
public ResultCode 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 ResultCode 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 ResultCode.Success;
}
private ResultCode 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 ResultCode.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 ResultCode.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 ResultCode.Success;
}
}
}
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