AudioCore: Implement NullSink

src/audio_core/CMakeLists.txt

@@ -15,6 +15,7 @@ set(HEADERS
             hle/filter.h
             hle/pipe.h
             interpolate.h
+            null_sink.h
             sink.h
             )
 

src/audio_core/null_sink.h

@@ -0,0 +1,29 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cstddef>
+
+#include "audio_core/audio_core.h"
+#include "audio_core/sink.h"
+
+namespace AudioCore {
+
+class NullSink final : public Sink {
+public:
+    ~NullSink() override = default;
+
+    unsigned int GetNativeSampleRate() const override {
+        return native_sample_rate;
+    }
+
+    void EnqueueSamples(const std::vector<s16>&) override {}
+
+    size_t SamplesInQueue() const override {
+        return 0;
+    }
+};
+
+} // namespace AudioCore