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using System.Diagnostics;
namespace Ryujinx.Audio.Renderer.Device
{
/// <summary>
/// Represents a virtual device used by IAudioDevice.
/// </summary>
public class VirtualDevice
{
/// <summary>
/// All the defined virtual devices.
/// </summary>
public static readonly VirtualDevice[] Devices = new VirtualDevice[5]
{
new("AudioStereoJackOutput", 2, true),
new("AudioBuiltInSpeakerOutput", 2, false),
new("AudioTvOutput", 6, false),
new("AudioUsbDeviceOutput", 2, true),
new("AudioExternalOutput", 6, true),
};
/// <summary>
/// The name of the <see cref="VirtualDevice"/>.
/// </summary>
public string Name { get; }
/// <summary>
/// The count of channels supported by the <see cref="VirtualDevice"/>.
/// </summary>
public uint ChannelCount { get; }
/// <summary>
/// The system master volume of the <see cref="VirtualDevice"/>.
/// </summary>
public float MasterVolume { get; private set; }
/// <summary>
/// Define if the <see cref="VirtualDevice"/> is provided by an external interface.
/// </summary>
public bool IsExternalOutput { get; }
/// <summary>
/// Create a new <see cref="VirtualDevice"/> instance.
/// </summary>
/// <param name="name">The name of the <see cref="VirtualDevice"/>.</param>
/// <param name="channelCount">The count of channels supported by the <see cref="VirtualDevice"/>.</param>
/// <param name="isExternalOutput">Indicate if the <see cref="VirtualDevice"/> is provided by an external interface.</param>
public VirtualDevice(string name, uint channelCount, bool isExternalOutput)
{
Name = name;
ChannelCount = channelCount;
IsExternalOutput = isExternalOutput;
}
/// <summary>
/// Update the master volume of the <see cref="VirtualDevice"/>.
/// </summary>
/// <param name="volume">The new master volume.</param>
public void UpdateMasterVolume(float volume)
{
Debug.Assert(volume >= 0.0f && volume <= 1.0f);
MasterVolume = volume;
}
/// <summary>
/// Check if the <see cref="VirtualDevice"/> is a usb device.
/// </summary>
/// <returns>Returns true if the <see cref="VirtualDevice"/> is a usb device.</returns>
public bool IsUsbDevice()
{
return Name.Equals("AudioUsbDeviceOutput");
}
/// <summary>
/// Get the output device name of the <see cref="VirtualDevice"/>.
/// </summary>
/// <returns>The output device name of the <see cref="VirtualDevice"/>.</returns>
public string GetOutputDeviceName()
{
if (IsExternalOutput)
{
return "AudioExternalOutput";
}
return Name;
}
}
}
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