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

hooks/audio/backends/mmdevice/device_enumerator.cpp

@@ -0,0 +1,82 @@
+#include "device_enumerator.h"
+#include "device.h"
+
+#ifdef _MSC_VER
+DEFINE_GUID(IID_IMMDeviceEnumerator,
+        0xa95664d2, 0x9614, 0x4f35,
+        0xa7, 0x46, 0xde, 0x8d, 0xb6, 0x36, 0x17, 0xe6);
+#endif
+
+HRESULT STDMETHODCALLTYPE WrappedIMMDeviceEnumerator::QueryInterface(REFIID riid, void **ppvObj) {
+    if (ppvObj == nullptr) {
+        return E_POINTER;
+    }
+
+    if (riid == IID_IMMDeviceEnumerator) {
+        this->AddRef();
+        *ppvObj = this;
+
+        return S_OK;
+    }
+
+    return pReal->QueryInterface(riid, ppvObj);
+}
+ULONG STDMETHODCALLTYPE WrappedIMMDeviceEnumerator::AddRef() {
+    return pReal->AddRef();
+}
+ULONG STDMETHODCALLTYPE WrappedIMMDeviceEnumerator::Release() {
+
+    // get reference count of underlying interface
+    ULONG refs = pReal != nullptr ? pReal->Release() : 0;
+
+    if (refs == 0) {
+        delete this;
+    }
+
+    return refs;
+}
+
+HRESULT STDMETHODCALLTYPE WrappedIMMDeviceEnumerator::EnumAudioEndpoints(
+    EDataFlow dataFlow,
+    DWORD dwStateMask,
+    IMMDeviceCollection **ppDevices)
+{
+    return pReal->EnumAudioEndpoints(dataFlow, dwStateMask, ppDevices);
+}
+
+HRESULT STDMETHODCALLTYPE WrappedIMMDeviceEnumerator::GetDefaultAudioEndpoint(
+    EDataFlow dataFlow,
+    ERole role,
+    IMMDevice **ppEndpoint)
+{
+    // call orignal
+    HRESULT ret = this->pReal->GetDefaultAudioEndpoint(dataFlow, role, ppEndpoint);
+
+    // check for failure
+    if (FAILED(ret)) {
+        log_warning("audio", "IMMDeviceEnumerator::GetDefaultAudioEndpoint failed, hr={}", FMT_HRESULT(ret));
+        return ret;
+    }
+
+    // wrap interface
+    *ppEndpoint = new WrappedIMMDevice(*ppEndpoint);
+
+    // return original result
+    return ret;
+}
+HRESULT STDMETHODCALLTYPE WrappedIMMDeviceEnumerator::GetDevice(
+    LPCWSTR pwstrId,
+    IMMDevice **ppDevice)
+{
+    return pReal->GetDevice(pwstrId, ppDevice);
+}
+HRESULT STDMETHODCALLTYPE WrappedIMMDeviceEnumerator::RegisterEndpointNotificationCallback(
+    IMMNotificationClient *pClient)
+{
+    return pReal->RegisterEndpointNotificationCallback(pClient);
+}
+HRESULT STDMETHODCALLTYPE WrappedIMMDeviceEnumerator::UnregisterEndpointNotificationCallback(
+    IMMNotificationClient *pClient)
+{
+    return pReal->UnregisterEndpointNotificationCallback(pClient);
+}