Ryujinx/Ryujinx.Audio/Backends/Dummy/DummyHardwareDeviceDriver.cs

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//
// Copyright (c) 2019-2021 Ryujinx
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
//
using Ryujinx.Audio.Common;
using Ryujinx.Audio.Integration;
using Ryujinx.Memory;
using System.Threading;
using static Ryujinx.Audio.Integration.IHardwareDeviceDriver;
namespace Ryujinx.Audio.Backends.Dummy
{
public class DummyHardwareDeviceDriver : IHardwareDeviceDriver
{
private ManualResetEvent _updateRequiredEvent;
private ManualResetEvent _pauseEvent;
public DummyHardwareDeviceDriver()
{
_updateRequiredEvent = new ManualResetEvent(false);
_pauseEvent = new ManualResetEvent(true);
}
public IHardwareDeviceSession OpenDeviceSession(Direction direction, IVirtualMemoryManager memoryManager, SampleFormat sampleFormat, uint sampleRate, uint channelCount, float volume)
{
if (sampleRate == 0)
{
sampleRate = Constants.TargetSampleRate;
}
if (channelCount == 0)
{
channelCount = 2;
}
if (direction == Direction.Output)
{
return new DummyHardwareDeviceSessionOutput(this, memoryManager, sampleFormat, sampleRate, channelCount, volume);
}
else
{
return new DummyHardwareDeviceSessionInput(this, memoryManager, sampleFormat, sampleRate, channelCount);
}
}
public ManualResetEvent GetUpdateRequiredEvent()
{
return _updateRequiredEvent;
}
public ManualResetEvent GetPauseEvent()
{
return _pauseEvent;
}
public void Dispose()
{
Dispose(true);
}
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
// NOTE: The _updateRequiredEvent will be disposed somewhere else.
_pauseEvent.Dispose();
}
}
public bool SupportsSampleRate(uint sampleRate)
{
return true;
}
public bool SupportsSampleFormat(SampleFormat sampleFormat)
{
return true;
}
public bool SupportsDirection(Direction direction)
{
return direction == Direction.Output || direction == Direction.Input;
}
public bool SupportsChannelCount(uint channelCount)
{
return channelCount == 1 || channelCount == 2 || channelCount == 6;
}
}
}