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using Ryujinx.Audio.Integration;
using System.Collections.Generic;
namespace Ryujinx.Audio.Renderer.Device
{
/// <summary>
/// Represent an instance containing a registry of <see cref="VirtualDeviceSession"/>.
/// </summary>
public class VirtualDeviceSessionRegistry
{
/// <summary>
/// The session registry, used to store the sessions of a given AppletResourceId.
/// </summary>
private readonly Dictionary<ulong, VirtualDeviceSession[]> _sessionsRegistry = new();
/// <summary>
/// The default <see cref="VirtualDevice"/>.
/// </summary>
/// <remarks>This is used when the USB device is the default one on older revision.</remarks>
#pragma warning disable CA1822 // Mark member as static
public VirtualDevice DefaultDevice => VirtualDevice.Devices[0];
#pragma warning restore CA1822
/// <summary>
/// The current active <see cref="VirtualDevice"/>.
/// </summary>
// TODO: make this configurable
public VirtualDevice ActiveDevice { get; }
public VirtualDeviceSessionRegistry(IHardwareDeviceDriver driver)
{
uint channelCount;
if (driver.GetRealDeviceDriver().SupportsChannelCount(6))
{
channelCount = 6;
}
else
{
channelCount = 2;
}
ActiveDevice = new VirtualDevice("AudioTvOutput", channelCount, false);
}
/// <summary>
/// Get the associated <see cref="T:VirtualDeviceSession[]"/> from an AppletResourceId.
/// </summary>
/// <param name="resourceAppletId">The AppletResourceId used.</param>
/// <returns>The associated <see cref="T:VirtualDeviceSession[]"/> from an AppletResourceId.</returns>
public VirtualDeviceSession[] GetSessionByAppletResourceId(ulong resourceAppletId)
{
if (_sessionsRegistry.TryGetValue(resourceAppletId, out VirtualDeviceSession[] result))
{
return result;
}
result = CreateSessionsFromBehaviourContext();
_sessionsRegistry.Add(resourceAppletId, result);
return result;
}
/// <summary>
/// Create a new array of sessions for each <see cref="VirtualDevice"/>.
/// </summary>
/// <returns>A new array of sessions for each <see cref="VirtualDevice"/>.</returns>
private static VirtualDeviceSession[] CreateSessionsFromBehaviourContext()
{
VirtualDeviceSession[] virtualDeviceSession = new VirtualDeviceSession[VirtualDevice.Devices.Length];
for (int i = 0; i < virtualDeviceSession.Length; i++)
{
virtualDeviceSession[i] = new VirtualDeviceSession(VirtualDevice.Devices[i]);
}
return virtualDeviceSession;
}
}
}
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