1 files changed, 79 insertions, 0 deletions
diff --git a/Ryujinx.Audio/Backends/Dummy/DummyHardwareDeviceSessionOutput.cs b/Ryujinx.Audio/Backends/Dummy/DummyHardwareDeviceSessionOutput.cs
new file mode 100644
index 00000000..7cc19997
--- /dev/null
+++ b/Ryujinx.Audio/Backends/Dummy/DummyHardwareDeviceSessionOutput.cs
@@ -0,0 +1,79 @@
+//
+// 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.Backends.Common;
+using Ryujinx.Audio.Common;
+using Ryujinx.Audio.Integration;
+using Ryujinx.Memory;
+using System.Threading;
+
+namespace Ryujinx.Audio.Backends.Dummy
+{
+    internal class DummyHardwareDeviceSessionOutput : HardwareDeviceSessionOutputBase
+    {
+        private float _volume;
+        private IHardwareDeviceDriver _manager;
+
+        private ulong _playedSampleCount;
+
+        public DummyHardwareDeviceSessionOutput(IHardwareDeviceDriver manager, IVirtualMemoryManager memoryManager, SampleFormat requestedSampleFormat, uint requestedSampleRate, uint requestedChannelCount) : base(memoryManager, requestedSampleFormat, requestedSampleRate, requestedChannelCount)
+        {
+            _volume = 1.0f;
+            _manager = manager;
+        }
+
+        public override void Dispose()
+        {
+            // Nothing to do.
+        }
+
+        public override ulong GetPlayedSampleCount()
+        {
+            return Interlocked.Read(ref _playedSampleCount);
+        }
+
+        public override float GetVolume()
+        {
+            return _volume;
+        }
+
+        public override void PrepareToClose() { }
+
+        public override void QueueBuffer(AudioBuffer buffer)
+        {
+            Interlocked.Add(ref _playedSampleCount, GetSampleCount(buffer));
+
+            _manager.GetUpdateRequiredEvent().Set();
+        }
+
+        public override void SetVolume(float volume)
+        {
+            _volume = volume;
+        }
+
+        public override void Start() { }
+
+        public override void Stop() { }
+
+        public override void UnregisterBuffer(AudioBuffer buffer) { }
+
+        public override bool WasBufferFullyConsumed(AudioBuffer buffer)
+        {
+            return true;
+        }
+    }
+}
+\ No newline at end of file