mirror of
https://github.com/GreemDev/Ryujinx.git
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159 lines
4.4 KiB
C#
159 lines
4.4 KiB
C#
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using Ryujinx.Audio.Renderer.Device;
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using Ryujinx.Audio.Renderer.Server;
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using Ryujinx.HLE.HOS.Kernel;
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using Ryujinx.HLE.HOS.Kernel.Threading;
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namespace Ryujinx.HLE.HOS.Services.Audio.AudioRenderer
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{
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class AudioDevice : IAudioDevice
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{
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private VirtualDeviceSession[] _sessions;
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private ulong _appletResourceId;
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private int _revision;
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private bool _isUsbDeviceSupported;
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private VirtualDeviceSessionRegistry _registry;
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private KEvent _systemEvent;
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public AudioDevice(VirtualDeviceSessionRegistry registry, KernelContext context, ulong appletResourceId, int revision)
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{
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_registry = registry;
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_appletResourceId = appletResourceId;
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_revision = revision;
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BehaviourContext behaviourContext = new BehaviourContext();
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behaviourContext.SetUserRevision(revision);
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_isUsbDeviceSupported = behaviourContext.IsAudioUsbDeviceOutputSupported();
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_sessions = _registry.GetSessionByAppletResourceId(appletResourceId);
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// TODO: support the 3 different events correctly when we will have hot plugable audio devices.
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_systemEvent = new KEvent(context);
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_systemEvent.ReadableEvent.Signal();
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}
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private bool TryGetDeviceByName(out VirtualDeviceSession result, string name, bool ignoreRevLimitation = false)
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{
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result = null;
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foreach (VirtualDeviceSession session in _sessions)
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{
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if (session.Device.Name.Equals(name))
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{
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if (!ignoreRevLimitation && !_isUsbDeviceSupported && session.Device.IsUsbDevice())
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{
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return false;
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}
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result = session;
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return true;
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}
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}
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return false;
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}
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public string GetActiveAudioDeviceName()
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{
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VirtualDevice device = _registry.ActiveDevice;
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if (!_isUsbDeviceSupported && device.IsUsbDevice())
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{
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device = _registry.DefaultDevice;
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}
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return device.Name;
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}
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public uint GetActiveChannelCount()
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{
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VirtualDevice device = _registry.ActiveDevice;
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if (!_isUsbDeviceSupported && device.IsUsbDevice())
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{
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device = _registry.DefaultDevice;
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}
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return device.ChannelCount;
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}
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public ResultCode GetAudioDeviceOutputVolume(string name, out float volume)
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{
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if (TryGetDeviceByName(out VirtualDeviceSession result, name))
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{
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volume = result.Volume;
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}
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else
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{
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volume = 0.0f;
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}
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return ResultCode.Success;
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}
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public ResultCode SetAudioDeviceOutputVolume(string name, float volume)
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{
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if (TryGetDeviceByName(out VirtualDeviceSession result, name, true))
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{
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if (!_isUsbDeviceSupported && result.Device.IsUsbDevice())
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{
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result = _sessions[0];
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}
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result.Volume = volume;
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}
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return ResultCode.Success;
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}
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public ResultCode GetAudioSystemMasterVolumeSetting(string name, out float systemMasterVolume)
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{
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if (TryGetDeviceByName(out VirtualDeviceSession result, name, true))
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{
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systemMasterVolume = result.Device.MasterVolume;
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}
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else
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{
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systemMasterVolume = 0.0f;
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}
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return ResultCode.Success;
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}
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public string[] ListAudioDeviceName()
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{
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int deviceCount = _sessions.Length;
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if (!_isUsbDeviceSupported)
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{
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deviceCount--;
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}
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string[] result = new string[deviceCount];
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for (int i = 0; i < deviceCount; i++)
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{
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result[i] = _sessions[i].Device.Name;
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}
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return result;
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}
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public KEvent QueryAudioDeviceInputEvent()
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{
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return _systemEvent;
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}
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public KEvent QueryAudioDeviceOutputEvent()
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{
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return _systemEvent;
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}
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public KEvent QueryAudioDeviceSystemEvent()
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{
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return _systemEvent;
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}
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}
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}
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