1 files changed, 33 insertions, 0 deletions
diff --git a/Servers/AudioServer/ASMixer.h b/Servers/AudioServer/ASMixer.h
new file mode 100644
index 0000000000..2cf45fd13f
--- /dev/null
+++ b/Servers/AudioServer/ASMixer.h
@@ -0,0 +1,33 @@
+#pragma once
+
+#include <AK/RefCounted.h>
+#include <AK/ByteBuffer.h>
+#include <LibCore/CFile.h>
+#include <LibCore/CLock.h>
+#include <LibAudio/ABuffer.h>
+#include <AK/NonnullRefPtrVector.h>
+
+class ASClientConnection;
+
+class ASMixer : public RefCounted<ASMixer> {
+public:
+    ASMixer();
+
+    void queue(ASClientConnection&, const ABuffer&);
+
+private:
+    struct ASMixerBuffer {
+        ASMixerBuffer(const NonnullRefPtr<ABuffer>& buf)
+            : buffer(buf)
+        {}
+        NonnullRefPtr<ABuffer> buffer;
+        int pos { 0 };
+        bool done { false };
+    };
+
+    Vector<ASMixerBuffer> m_pending_mixing;
+    CFile m_device;
+    CLock m_lock;
+
+    void mix();
+};