86 lines
3 KiB
C#
86 lines
3 KiB
C#
using Ryujinx.Cpu;
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using System;
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using System.Text;
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namespace Ryujinx.HLE.HOS.Services.Audio
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{
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[Service("audin:u")]
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class IAudioInManager : IpcService
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{
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private const string DefaultAudioInsName = "BuiltInHeadset";
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public IAudioInManager(ServiceCtx context) { }
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[Command(0)]
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// ListAudioIns() -> (u32 count, buffer<bytes, 6> names)
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public ResultCode ListAudioIns(ServiceCtx context)
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{
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long bufferPosition = context.Request.ReceiveBuff[0].Position;
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long bufferSize = context.Request.ReceiveBuff[0].Size;
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// NOTE: The service check if AudioInManager thread is started, if not it starts it.
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uint count = ListAudioInsImpl(context.Memory, bufferPosition, bufferSize, false);
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context.ResponseData.Write(count);
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return ResultCode.Success;
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}
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[Command(2)] // 3.0.0+
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// ListAudioInsAuto() -> (u32 count, buffer<bytes, 0x22> names)
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public ResultCode ListAudioInsAuto(ServiceCtx context)
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{
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(long bufferPosition, long bufferSize) = context.Request.GetBufferType0x22();
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// NOTE: The service check if AudioInManager thread is started, if not it starts it.
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uint count = ListAudioInsImpl(context.Memory, bufferPosition, bufferSize, false);
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context.ResponseData.Write(count);
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return ResultCode.Success;
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}
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[Command(4)] // 3.0.0+
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// ListAudioInsAutoFiltered() -> (u32 count, buffer<bytes, 0x22> names)
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public ResultCode ListAudioInsAutoFiltered(ServiceCtx context)
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{
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(long bufferPosition, long bufferSize) = context.Request.GetBufferType0x22();
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// NOTE: The service check if AudioInManager thread is started, if not it starts it.
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uint count = ListAudioInsImpl(context.Memory, bufferPosition, bufferSize, true);
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context.ResponseData.Write(count);
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return ResultCode.Success;
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}
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private uint ListAudioInsImpl(MemoryManager memory, long bufferPosition, long bufferSize, bool filtered = false)
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{
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uint count = 0;
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MemoryHelper.FillWithZeros(memory, bufferPosition, (int)bufferSize);
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if (bufferSize > 0)
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{
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// NOTE: The service also check that the input target is enabled when in filtering mode, as audctl and most of the audin logic isn't supported, we don't support it.
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if (!filtered)
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{
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byte[] deviceNameBuffer = Encoding.ASCII.GetBytes(DefaultAudioInsName + "\0");
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memory.Write((ulong)bufferPosition, deviceNameBuffer);
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count++;
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}
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// NOTE: The service adds other input devices names available in the buffer,
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// every name is aligned to 0x100 bytes.
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// Since we don't support it for now, it's fine to do nothing here.
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}
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return count;
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}
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}
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} |