1 files changed, 96 insertions, 0 deletions
diff --git a/Ryujinx.Audio/Backends/Dummy/DummyHardwareDeviceDriver.cs b/Ryujinx.Audio/Backends/Dummy/DummyHardwareDeviceDriver.cs
new file mode 100644
index 00000000..f24b359c
--- /dev/null
+++ b/Ryujinx.Audio/Backends/Dummy/DummyHardwareDeviceDriver.cs
@@ -0,0 +1,96 @@
+//
+// 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;
+
+        public DummyHardwareDeviceDriver()
+        {
+            _updateRequiredEvent = new ManualResetEvent(false);
+        }
+
+        public IHardwareDeviceSession OpenDeviceSession(Direction direction, IVirtualMemoryManager memoryManager, SampleFormat sampleFormat, uint sampleRate, uint channelCount)
+        {
+            if (sampleRate == 0)
+            {
+                sampleRate = Constants.TargetSampleRate;
+            }
+
+            if (channelCount == 0)
+            {
+                channelCount = 2;
+            }
+
+            if (direction == Direction.Output)
+            {
+                return new DummyHardwareDeviceSessionOutput(this, memoryManager, sampleFormat, sampleRate, channelCount);
+            }
+            else
+            {
+                return new DummyHardwareDeviceSessionInput(this, memoryManager, sampleFormat, sampleRate, channelCount);
+            }
+        }
+
+        public ManualResetEvent GetUpdateRequiredEvent()
+        {
+            return _updateRequiredEvent;
+        }
+
+        public void Dispose()
+        {
+            Dispose(true);
+        }
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                // NOTE: The _updateRequiredEvent will be disposed somewhere else.
+            }
+        }
+
+        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;
+        }
+    }
+}