Initial re-upload of spice2x-24-08-24

hooks/audio/backends/wasapi/dummy_audio_clock.h

@@ -0,0 +1,39 @@
+#pragma once
+
+#include <atomic>
+
+#include <initguid.h>
+#include <audiopolicy.h>
+
+struct AudioBackend;
+
+// {8AE52B4A-ACC4-420C-9169-BA8AF07A251F}
+static const GUID IID_DummyIAudioClock = {
+    0x8ae52b4a, 0xacc4, 0x420c, { 0x91, 0x69, 0xba, 0x8a, 0xf0, 0x7a, 0x25, 0x1f }
+};
+
+struct DummyIAudioClock : IAudioClock {
+    explicit DummyIAudioClock(AudioBackend *backend) : backend(backend) {
+    }
+
+    DummyIAudioClock(const DummyIAudioClock &) = delete;
+    DummyIAudioClock &operator=(const DummyIAudioClock &) = delete;
+
+    virtual ~DummyIAudioClock() = default;
+
+#pragma region IUnknown
+    HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void **ppvObj) override;
+    ULONG STDMETHODCALLTYPE AddRef() override;
+    ULONG STDMETHODCALLTYPE Release() override;
+#pragma endregion
+
+#pragma region IAudioClock
+    HRESULT STDMETHODCALLTYPE GetFrequency(UINT64 *pu64Frequency) override;
+    HRESULT STDMETHODCALLTYPE GetPosition(UINT64 *pu64Position, UINT64 *pu64QPCPosition) override;
+    HRESULT STDMETHODCALLTYPE GetCharacteristics(DWORD *pdwCharacteristics) override;
+#pragma endregion
+
+    AudioBackend *const backend;
+
+    std::atomic<ULONG> ref_cnt = 1;
+};