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0039bb6394
* Refactor SVC handler * Get rid of KernelErr * Split kernel code files into multiple folders
170 lines
5.2 KiB
C#
170 lines
5.2 KiB
C#
using ChocolArm64.Memory;
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using Ryujinx.Audio;
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using Ryujinx.Common.Logging;
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using Ryujinx.HLE.HOS.Ipc;
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using Ryujinx.HLE.HOS.Kernel.Threading;
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using Ryujinx.HLE.HOS.Services.Aud.AudioOut;
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using System.Collections.Generic;
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using System.Text;
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using static Ryujinx.HLE.HOS.ErrorCode;
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namespace Ryujinx.HLE.HOS.Services.Aud
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{
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class IAudioOutManager : IpcService
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{
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private const string DefaultAudioOutput = "DeviceOut";
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private const int DefaultSampleRate = 48000;
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private const int DefaultChannelsCount = 2;
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private Dictionary<int, ServiceProcessRequest> _commands;
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public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => _commands;
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public IAudioOutManager()
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{
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_commands = new Dictionary<int, ServiceProcessRequest>
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{
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{ 0, ListAudioOuts },
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{ 1, OpenAudioOut },
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{ 2, ListAudioOutsAuto },
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{ 3, OpenAudioOutAuto }
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};
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}
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public long ListAudioOuts(ServiceCtx context)
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{
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return ListAudioOutsImpl(
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context,
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context.Request.ReceiveBuff[0].Position,
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context.Request.ReceiveBuff[0].Size);
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}
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public long OpenAudioOut(ServiceCtx context)
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{
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return OpenAudioOutImpl(
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context,
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context.Request.SendBuff[0].Position,
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context.Request.SendBuff[0].Size,
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context.Request.ReceiveBuff[0].Position,
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context.Request.ReceiveBuff[0].Size);
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}
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public long ListAudioOutsAuto(ServiceCtx context)
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{
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(long recvPosition, long recvSize) = context.Request.GetBufferType0x22();
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return ListAudioOutsImpl(context, recvPosition, recvSize);
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}
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public long OpenAudioOutAuto(ServiceCtx context)
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{
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(long sendPosition, long sendSize) = context.Request.GetBufferType0x21();
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(long recvPosition, long recvSize) = context.Request.GetBufferType0x22();
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return OpenAudioOutImpl(
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context,
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sendPosition,
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sendSize,
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recvPosition,
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recvSize);
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}
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private long ListAudioOutsImpl(ServiceCtx context, long position, long size)
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{
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int nameCount = 0;
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byte[] deviceNameBuffer = Encoding.ASCII.GetBytes(DefaultAudioOutput + "\0");
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if ((ulong)deviceNameBuffer.Length <= (ulong)size)
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{
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context.Memory.WriteBytes(position, deviceNameBuffer);
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nameCount++;
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}
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else
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{
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Logger.PrintError(LogClass.ServiceAudio, $"Output buffer size {size} too small!");
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}
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context.ResponseData.Write(nameCount);
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return 0;
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}
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private long OpenAudioOutImpl(ServiceCtx context, long sendPosition, long sendSize, long receivePosition, long receiveSize)
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{
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string deviceName = MemoryHelper.ReadAsciiString(
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context.Memory,
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sendPosition,
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sendSize);
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if (deviceName == string.Empty)
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{
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deviceName = DefaultAudioOutput;
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}
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if (deviceName != DefaultAudioOutput)
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{
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Logger.PrintWarning(LogClass.Audio, "Invalid device name!");
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return MakeError(ErrorModule.Audio, AudErr.DeviceNotFound);
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}
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byte[] deviceNameBuffer = Encoding.ASCII.GetBytes(deviceName + "\0");
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if ((ulong)deviceNameBuffer.Length <= (ulong)receiveSize)
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{
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context.Memory.WriteBytes(receivePosition, deviceNameBuffer);
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}
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else
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{
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Logger.PrintError(LogClass.ServiceAudio, $"Output buffer size {receiveSize} too small!");
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}
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int sampleRate = context.RequestData.ReadInt32();
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int channels = context.RequestData.ReadInt32();
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if (sampleRate == 0)
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{
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sampleRate = DefaultSampleRate;
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}
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if (sampleRate != DefaultSampleRate)
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{
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Logger.PrintWarning(LogClass.Audio, "Invalid sample rate!");
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return MakeError(ErrorModule.Audio, AudErr.UnsupportedSampleRate);
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}
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channels = (ushort)channels;
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if (channels == 0)
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{
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channels = DefaultChannelsCount;
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}
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KEvent releaseEvent = new KEvent(context.Device.System);
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ReleaseCallback callback = () =>
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{
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releaseEvent.ReadableEvent.Signal();
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};
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IAalOutput audioOut = context.Device.AudioOut;
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int track = audioOut.OpenTrack(sampleRate, channels, callback);
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MakeObject(context, new IAudioOut(audioOut, releaseEvent, track));
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context.ResponseData.Write(sampleRate);
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context.ResponseData.Write(channels);
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context.ResponseData.Write((int)SampleFormat.PcmInt16);
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context.ResponseData.Write((int)PlaybackState.Stopped);
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return 0;
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}
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}
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}
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