xaudio2_8: Don't use IXAudio27 interface to call Initialize.

dlls/xaudio2_7/compat.c

@@ -468,7 +468,7 @@ static HRESULT WINAPI XA27_Initialize(IXAudio27 *iface, UINT32 flags,
 {
     IXAudio2Impl *This = impl_from_IXAudio27(iface);
     TRACE("(%p)->(0x%x, 0x%x)\n", This, flags, processor);
-    return S_OK;
+    return xaudio2_initialize(This, flags, processor);
 }
 
 static HRESULT WINAPI XA27_RegisterForCallbacks(IXAudio27 *iface,
@@ -1305,7 +1305,7 @@ static HRESULT WINAPI XA22_Initialize(IXAudio22 *iface, UINT32 flags,
 {
     IXAudio2Impl *This = impl_from_IXAudio22(iface);
     TRACE("(%p)->(0x%x, 0x%x)\n", This, flags, processor);
-    return S_OK;
+    return xaudio2_initialize(This, flags, processor);
 }
 
 static HRESULT WINAPI XA22_RegisterForCallbacks(IXAudio22 *iface,
@@ -2163,7 +2163,7 @@ static HRESULT WINAPI XA20_Initialize(IXAudio20 *iface, UINT32 flags,
 {
     IXAudio2Impl *This = impl_from_IXAudio20(iface);
     TRACE("(%p)->(0x%x, 0x%x)\n", This, flags, processor);
-    return S_OK;
+    return xaudio2_initialize(This, flags, processor);
 }
 
 static HRESULT WINAPI XA20_RegisterForCallbacks(IXAudio20 *iface,

dlls/xaudio2_7/xaudio_dll.c

@@ -2046,14 +2046,22 @@ HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
     return IClassFactory_QueryInterface(factory, riid, ppv);
 }
 
+HRESULT xaudio2_initialize(IXAudio2Impl *This, UINT32 flags, XAUDIO2_PROCESSOR proc)
+{
+    if(flags)
+        FIXME("Unimplemented flags: 0x%x\n", flags);
+    return S_OK;
+}
+
 #if XAUDIO2_VER >= 8
 HRESULT WINAPI XAudio2Create(IXAudio2 **ppxa2, UINT32 flags, XAUDIO2_PROCESSOR proc)
 {
     HRESULT hr;
     IXAudio2 *xa2;
-    IXAudio27 *xa27;
     IClassFactory *cf;
 
+    TRACE("%p 0x%x 0x%x\n", ppxa2, flags, proc);
+
     cf = make_xaudio2_factory();
 
     hr = IClassFactory_CreateInstance(cf, NULL, &IID_IXAudio2, (void**)&xa2);
@@ -2061,21 +2069,12 @@ HRESULT WINAPI XAudio2Create(IXAudio2 **ppxa2, UINT32 flags, XAUDIO2_PROCESSOR p
     if(FAILED(hr))
         return hr;
 
-    hr = IXAudio2_QueryInterface(xa2, &IID_IXAudio27, (void**)&xa27);
+    hr = xaudio2_initialize(impl_from_IXAudio2(xa2), flags, proc);
     if(FAILED(hr)){
         IXAudio2_Release(xa2);
         return hr;
     }
 
-    hr = IXAudio27_Initialize(xa27, flags, proc);
-    if(FAILED(hr)){
-        IXAudio27_Release(xa27);
-        IXAudio2_Release(xa2);
-        return hr;
-    }
-
-    IXAudio27_Release(xa27);
-
     *ppxa2 = xa2;
 
     return S_OK;

dlls/xaudio2_7/xaudio_private.h

@@ -150,3 +150,4 @@ extern const IXAudio20SubmixVoiceVtbl XAudio20SubmixVoice_Vtbl DECLSPEC_HIDDEN;
 extern const IXAudio20MasteringVoiceVtbl XAudio20MasteringVoice_Vtbl DECLSPEC_HIDDEN;
 
 extern IClassFactory *make_xapo_factory(REFCLSID clsid) DECLSPEC_HIDDEN;
+extern HRESULT xaudio2_initialize(IXAudio2Impl *This, UINT32 flags, XAUDIO2_PROCESSOR proc) DECLSPEC_HIDDEN;