xaudio2_3: Add compatibility implementation and forward to xaudio2_7.

configure

@@ -1374,6 +1374,7 @@ enable_xapofx1_1
 enable_xapofx1_3
 enable_xapofx1_4
 enable_xapofx1_5
+enable_xaudio2_3
 enable_xaudio2_7
 enable_xaudio2_8
 enable_xinput1_1
@@ -17911,6 +17912,7 @@ wine_fn_config_dll xapofx1_1 enable_xapofx1_1
 wine_fn_config_dll xapofx1_3 enable_xapofx1_3
 wine_fn_config_dll xapofx1_4 enable_xapofx1_4
 wine_fn_config_dll xapofx1_5 enable_xapofx1_5
+wine_fn_config_dll xaudio2_3 enable_xaudio2_3 clean
 wine_fn_config_dll xaudio2_7 enable_xaudio2_7 clean
 wine_fn_config_test dlls/xaudio2_7/tests xaudio2_7_test
 wine_fn_config_dll xaudio2_8 enable_xaudio2_8

configure.ac

@@ -3460,6 +3460,7 @@ WINE_CONFIG_DLL(xapofx1_1)
 WINE_CONFIG_DLL(xapofx1_3)
 WINE_CONFIG_DLL(xapofx1_4)
 WINE_CONFIG_DLL(xapofx1_5)
+WINE_CONFIG_DLL(xaudio2_3,,[clean])
 WINE_CONFIG_DLL(xaudio2_7,,[clean])
 WINE_CONFIG_TEST(dlls/xaudio2_7/tests)
 WINE_CONFIG_DLL(xaudio2_8)

dlls/xaudio2_3/Makefile.in

+MODULE    = xaudio2_3.dll
+IMPORTS   = ole32
+
+C_SRCS = \
+	xaudio_dll.c
+
+IDL_SRCS = xaudio_classes.idl

dlls/xaudio2_3/xaudio2_3.spec

+@ stdcall -private DllCanUnloadNow()
+@ stdcall -private DllGetClassObject(ptr ptr ptr) xaudio2_7.DllGetClassObject
+@ stdcall -private DllRegisterServer()
+@ stdcall -private DllUnregisterServer()

dlls/xaudio2_3/xaudio_classes.idl

+/*
+ * COM Classes for xaudio
+ *
+ * Copyright 2015 Andrew Eikum for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#pragma makedep register
+
+[
+    helpstring("XAudio2.3 Class"),
+    threading(both),
+    uuid(4c5e637a-16c7-4de3-9c46-5ed22181962d)
+]
+coclass XAudio23 { interface IXAudio27; }

dlls/xaudio2_3/xaudio_dll.c

+/*
+ * Copyright (c) 2015 Andrew Eikum for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <stdarg.h>
+#include "windef.h"
+#include "winbase.h"
+#include "objbase.h"
+#include "rpcproxy.h"
+
+static HINSTANCE instance;
+
+BOOL WINAPI DllMain(HINSTANCE hinstance, DWORD reason, LPVOID reserved)
+{
+    switch (reason)
+    {
+    case DLL_PROCESS_ATTACH:
+        instance = hinstance;
+        DisableThreadLibraryCalls(hinstance);
+        break;
+    }
+    return TRUE;
+}
+
+HRESULT WINAPI DllCanUnloadNow(void)
+{
+    return S_FALSE;
+}
+
+HRESULT WINAPI DllRegisterServer(void)
+{
+    return __wine_register_resources(instance);
+}
+
+HRESULT WINAPI DllUnregisterServer(void)
+{
+    return __wine_unregister_resources(instance);
+}

dlls/xaudio2_7/compat.c

@@ -580,3 +580,606 @@ const IXAudio27Vtbl XAudio27_Vtbl = {
     XA27_GetPerformanceData,
     XA27_SetDebugConfiguration
 };
+
+XA2SourceImpl *impl_from_IXAudio23SourceVoice(IXAudio23SourceVoice *iface)
+{
+    return CONTAINING_RECORD(iface, XA2SourceImpl, IXAudio23SourceVoice_iface);
+}
+
+static void WINAPI XA23SRC_GetVoiceDetails(IXAudio23SourceVoice *iface,
+        XAUDIO2_VOICE_DETAILS *pVoiceDetails)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_GetVoiceDetails(&This->IXAudio2SourceVoice_iface, pVoiceDetails);
+}
+
+static HRESULT WINAPI XA23SRC_SetOutputVoices(IXAudio23SourceVoice *iface,
+        const XAUDIO23_VOICE_SENDS *pSendList)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    XAUDIO2_VOICE_SENDS sends;
+    HRESULT hr;
+    DWORD i;
+
+    TRACE("%p, %p\n", This, pSendList);
+
+    sends.SendCount = pSendList->OutputCount;
+    sends.pSends = HeapAlloc(GetProcessHeap(), 0, sends.SendCount * sizeof(*sends.pSends));
+    for(i = 0; i < sends.SendCount; ++i){
+        sends.pSends[i].Flags = 0;
+        sends.pSends[i].pOutputVoice = pSendList->pOutputVoices[i];
+    }
+
+    hr = IXAudio2SourceVoice_SetOutputVoices(&This->IXAudio2SourceVoice_iface, &sends);
+
+    HeapFree(GetProcessHeap(), 0, sends.pSends);
+
+    return hr;
+}
+
+static HRESULT WINAPI XA23SRC_SetEffectChain(IXAudio23SourceVoice *iface,
+        const XAUDIO2_EFFECT_CHAIN *pEffectChain)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_SetEffectChain(&This->IXAudio2SourceVoice_iface, pEffectChain);
+}
+
+static HRESULT WINAPI XA23SRC_EnableEffect(IXAudio23SourceVoice *iface,
+        UINT32 EffectIndex, UINT32 OperationSet)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_EnableEffect(&This->IXAudio2SourceVoice_iface,
+            EffectIndex, OperationSet);
+}
+
+static HRESULT WINAPI XA23SRC_DisableEffect(IXAudio23SourceVoice *iface,
+        UINT32 EffectIndex, UINT32 OperationSet)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_DisableEffect(&This->IXAudio2SourceVoice_iface,
+            EffectIndex, OperationSet);
+}
+
+static void WINAPI XA23SRC_GetEffectState(IXAudio23SourceVoice *iface,
+        UINT32 EffectIndex, BOOL *pEnabled)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_GetEffectState(&This->IXAudio2SourceVoice_iface,
+            EffectIndex, pEnabled);
+}
+
+static HRESULT WINAPI XA23SRC_SetEffectParameters(IXAudio23SourceVoice *iface,
+        UINT32 EffectIndex, const void *pParameters, UINT32 ParametersByteSize,
+        UINT32 OperationSet)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_SetEffectParameters(&This->IXAudio2SourceVoice_iface,
+            EffectIndex, pParameters, ParametersByteSize, OperationSet);
+}
+
+static HRESULT WINAPI XA23SRC_GetEffectParameters(IXAudio23SourceVoice *iface,
+        UINT32 EffectIndex, void *pParameters, UINT32 ParametersByteSize)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_GetEffectParameters(&This->IXAudio2SourceVoice_iface,
+            EffectIndex, pParameters, ParametersByteSize);
+}
+
+static HRESULT WINAPI XA23SRC_SetFilterParameters(IXAudio23SourceVoice *iface,
+        const XAUDIO2_FILTER_PARAMETERS *pParameters, UINT32 OperationSet)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_SetFilterParameters(&This->IXAudio2SourceVoice_iface,
+            pParameters, OperationSet);
+}
+
+static void WINAPI XA23SRC_GetFilterParameters(IXAudio23SourceVoice *iface,
+        XAUDIO2_FILTER_PARAMETERS *pParameters)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_GetFilterParameters(&This->IXAudio2SourceVoice_iface, pParameters);
+}
+
+static HRESULT WINAPI XA23SRC_SetVolume(IXAudio23SourceVoice *iface,
+        float Volume, UINT32 OperationSet)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_SetVolume(&This->IXAudio2SourceVoice_iface,
+            Volume, OperationSet);
+}
+
+static void WINAPI XA23SRC_GetVolume(IXAudio23SourceVoice *iface,
+        float *pVolume)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_GetVolume(&This->IXAudio2SourceVoice_iface, pVolume);
+}
+
+static HRESULT WINAPI XA23SRC_SetChannelVolumes(IXAudio23SourceVoice *iface,
+        UINT32 Channels, const float *pVolumes, UINT32 OperationSet)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_SetChannelVolumes(&This->IXAudio2SourceVoice_iface,
+            Channels, pVolumes, OperationSet);
+}
+
+static void WINAPI XA23SRC_GetChannelVolumes(IXAudio23SourceVoice *iface,
+        UINT32 Channels, float *pVolumes)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_GetChannelVolumes(&This->IXAudio2SourceVoice_iface,
+            Channels, pVolumes);
+}
+
+static HRESULT WINAPI XA23SRC_SetOutputMatrix(IXAudio23SourceVoice *iface,
+        IXAudio2Voice *pDestinationVoice, UINT32 SourceChannels,
+        UINT32 DestinationChannels, const float *pLevelMatrix,
+        UINT32 OperationSet)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_SetOutputMatrix(&This->IXAudio2SourceVoice_iface,
+            pDestinationVoice, SourceChannels, DestinationChannels,
+            pLevelMatrix, OperationSet);
+}
+
+static void WINAPI XA23SRC_GetOutputMatrix(IXAudio23SourceVoice *iface,
+        IXAudio2Voice *pDestinationVoice, UINT32 SourceChannels,
+        UINT32 DestinationChannels, float *pLevelMatrix)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_GetOutputMatrix(&This->IXAudio2SourceVoice_iface,
+            pDestinationVoice, SourceChannels, DestinationChannels,
+            pLevelMatrix);
+}
+
+static void WINAPI XA23SRC_DestroyVoice(IXAudio23SourceVoice *iface)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_DestroyVoice(&This->IXAudio2SourceVoice_iface);
+}
+
+static HRESULT WINAPI XA23SRC_Start(IXAudio23SourceVoice *iface, UINT32 Flags,
+        UINT32 OperationSet)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_Start(&This->IXAudio2SourceVoice_iface, Flags, OperationSet);
+}
+
+static HRESULT WINAPI XA23SRC_Stop(IXAudio23SourceVoice *iface, UINT32 Flags,
+        UINT32 OperationSet)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_Stop(&This->IXAudio2SourceVoice_iface, Flags, OperationSet);
+}
+
+static HRESULT WINAPI XA23SRC_SubmitSourceBuffer(IXAudio23SourceVoice *iface,
+        const XAUDIO2_BUFFER *pBuffer, const XAUDIO2_BUFFER_WMA *pBufferWMA)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_SubmitSourceBuffer(&This->IXAudio2SourceVoice_iface,
+            pBuffer, pBufferWMA);
+}
+
+static HRESULT WINAPI XA23SRC_FlushSourceBuffers(IXAudio23SourceVoice *iface)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_FlushSourceBuffers(&This->IXAudio2SourceVoice_iface);
+}
+
+static HRESULT WINAPI XA23SRC_Discontinuity(IXAudio23SourceVoice *iface)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_Discontinuity(&This->IXAudio2SourceVoice_iface);
+}
+
+static HRESULT WINAPI XA23SRC_ExitLoop(IXAudio23SourceVoice *iface,
+        UINT32 OperationSet)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_ExitLoop(&This->IXAudio2SourceVoice_iface, OperationSet);
+}
+
+static void WINAPI XA23SRC_GetState(IXAudio23SourceVoice *iface,
+        XAUDIO2_VOICE_STATE *pVoiceState)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_GetState(&This->IXAudio2SourceVoice_iface, pVoiceState, 0);
+}
+
+static HRESULT WINAPI XA23SRC_SetFrequencyRatio(IXAudio23SourceVoice *iface,
+        float Ratio, UINT32 OperationSet)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_SetFrequencyRatio(&This->IXAudio2SourceVoice_iface,
+            Ratio, OperationSet);
+}
+
+static void WINAPI XA23SRC_GetFrequencyRatio(IXAudio23SourceVoice *iface,
+        float *pRatio)
+{
+    XA2SourceImpl *This = impl_from_IXAudio23SourceVoice(iface);
+    return IXAudio2SourceVoice_GetFrequencyRatio(&This->IXAudio2SourceVoice_iface, pRatio);
+}
+
+const IXAudio23SourceVoiceVtbl XAudio23SourceVoice_Vtbl = {
+    XA23SRC_GetVoiceDetails,
+    XA23SRC_SetOutputVoices,
+    XA23SRC_SetEffectChain,
+    XA23SRC_EnableEffect,
+    XA23SRC_DisableEffect,
+    XA23SRC_GetEffectState,
+    XA23SRC_SetEffectParameters,
+    XA23SRC_GetEffectParameters,
+    XA23SRC_SetFilterParameters,
+    XA23SRC_GetFilterParameters,
+    XA23SRC_SetVolume,
+    XA23SRC_GetVolume,
+    XA23SRC_SetChannelVolumes,
+    XA23SRC_GetChannelVolumes,
+    XA23SRC_SetOutputMatrix,
+    XA23SRC_GetOutputMatrix,
+    XA23SRC_DestroyVoice,
+    XA23SRC_Start,
+    XA23SRC_Stop,
+    XA23SRC_SubmitSourceBuffer,
+    XA23SRC_FlushSourceBuffers,
+    XA23SRC_Discontinuity,
+    XA23SRC_ExitLoop,
+    XA23SRC_GetState,
+    XA23SRC_SetFrequencyRatio,
+    XA23SRC_GetFrequencyRatio,
+};
+
+XA2SubmixImpl *impl_from_IXAudio23SubmixVoice(IXAudio23SubmixVoice *iface)
+{
+    return CONTAINING_RECORD(iface, XA2SubmixImpl, IXAudio23SubmixVoice_iface);
+}
+
+static void WINAPI XA23SUB_GetVoiceDetails(IXAudio23SubmixVoice *iface,
+        XAUDIO2_VOICE_DETAILS *pVoiceDetails)
+{
+    XA2SubmixImpl *This = impl_from_IXAudio23SubmixVoice(iface);
+    return IXAudio2SubmixVoice_GetVoiceDetails(&This->IXAudio2SubmixVoice_iface, pVoiceDetails);
+}
+
+static HRESULT WINAPI XA23SUB_SetOutputVoices(IXAudio23SubmixVoice *iface,
+        const XAUDIO23_VOICE_SENDS *pSendList)
+{
+    XA2SubmixImpl *This = impl_from_IXAudio23SubmixVoice(iface);
+    XAUDIO2_VOICE_SENDS sends;
+    HRESULT hr;
+    DWORD i;
+
+    TRACE("%p, %p\n", This, pSendList);
+
+    sends.SendCount = pSendList->OutputCount;
+    sends.pSends = HeapAlloc(GetProcessHeap(), 0, sends.SendCount * sizeof(*sends.pSends));
+    for(i = 0; i < sends.SendCount; ++i){
+        sends.pSends[i].Flags = 0;
+        sends.pSends[i].pOutputVoice = pSendList->pOutputVoices[i];
+    }
+
+    hr = IXAudio2SubmixVoice_SetOutputVoices(&This->IXAudio2SubmixVoice_iface, &sends);
+
+    HeapFree(GetProcessHeap(), 0, sends.pSends);
+
+    return hr;
+}
+
+static HRESULT WINAPI XA23SUB_SetEffectChain(IXAudio23SubmixVoice *iface,
+        const XAUDIO2_EFFECT_CHAIN *pEffectChain)
+{
+    XA2SubmixImpl *This = impl_from_IXAudio23SubmixVoice(iface);
+    return IXAudio2SubmixVoice_SetEffectChain(&This->IXAudio2SubmixVoice_iface, pEffectChain);
+}
+
+static HRESULT WINAPI XA23SUB_EnableEffect(IXAudio23SubmixVoice *iface,
+        UINT32 EffectIndex, UINT32 OperationSet)
+{
+    XA2SubmixImpl *This = impl_from_IXAudio23SubmixVoice(iface);
+    return IXAudio2SubmixVoice_EnableEffect(&This->IXAudio2SubmixVoice_iface,
+            EffectIndex, OperationSet);
+}
+
+static HRESULT WINAPI XA23SUB_DisableEffect(IXAudio23SubmixVoice *iface,
+        UINT32 EffectIndex, UINT32 OperationSet)
+{
+    XA2SubmixImpl *This = impl_from_IXAudio23SubmixVoice(iface);
+    return IXAudio2SubmixVoice_DisableEffect(&This->IXAudio2SubmixVoice_iface,
+            EffectIndex, OperationSet);
+}
+
+static void WINAPI XA23SUB_GetEffectState(IXAudio23SubmixVoice *iface,
+        UINT32 EffectIndex, BOOL *pEnabled)
+{
+    XA2SubmixImpl *This = impl_from_IXAudio23SubmixVoice(iface);
+    return IXAudio2SubmixVoice_GetEffectState(&This->IXAudio2SubmixVoice_iface,
+            EffectIndex, pEnabled);
+}
+
+static HRESULT WINAPI XA23SUB_SetEffectParameters(IXAudio23SubmixVoice *iface,
+        UINT32 EffectIndex, const void *pParameters, UINT32 ParametersByteSize,
+        UINT32 OperationSet)
+{
+    XA2SubmixImpl *This = impl_from_IXAudio23SubmixVoice(iface);
+    return IXAudio2SubmixVoice_SetEffectParameters(&This->IXAudio2SubmixVoice_iface,
+            EffectIndex, pParameters, ParametersByteSize, OperationSet);
+}
+
+static HRESULT WINAPI XA23SUB_GetEffectParameters(IXAudio23SubmixVoice *iface,
+        UINT32 EffectIndex, void *pParameters, UINT32 ParametersByteSize)
+{
+    XA2SubmixImpl *This = impl_from_IXAudio23SubmixVoice(iface);
+    return IXAudio2SubmixVoice_GetEffectParameters(&This->IXAudio2SubmixVoice_iface,
+            EffectIndex, pParameters, ParametersByteSize);
+}
+
+static HRESULT WINAPI XA23SUB_SetFilterParameters(IXAudio23SubmixVoice *iface,
+        const XAUDIO2_FILTER_PARAMETERS *pParameters, UINT32 OperationSet)
+{
+    XA2SubmixImpl *This = impl_from_IXAudio23SubmixVoice(iface);
+    return IXAudio2SubmixVoice_SetFilterParameters(&This->IXAudio2SubmixVoice_iface,
+            pParameters, OperationSet);
+}
+
+static void WINAPI XA23SUB_GetFilterParameters(IXAudio23SubmixVoice *iface,
+        XAUDIO2_FILTER_PARAMETERS *pParameters)
+{
+    XA2SubmixImpl *This = impl_from_IXAudio23SubmixVoice(iface);
+    return IXAudio2SubmixVoice_GetFilterParameters(&This->IXAudio2SubmixVoice_iface, pParameters);
+}
+
+static HRESULT WINAPI XA23SUB_SetVolume(IXAudio23SubmixVoice *iface,
+        float Volume, UINT32 OperationSet)
+{
+    XA2SubmixImpl *This = impl_from_IXAudio23SubmixVoice(iface);
+    return IXAudio2SubmixVoice_SetVolume(&This->IXAudio2SubmixVoice_iface,
+            Volume, OperationSet);
+}
+
+static void WINAPI XA23SUB_GetVolume(IXAudio23SubmixVoice *iface,
+        float *pVolume)
+{
+    XA2SubmixImpl *This = impl_from_IXAudio23SubmixVoice(iface);
+    return IXAudio2SubmixVoice_GetVolume(&This->IXAudio2SubmixVoice_iface, pVolume);
+}
+
+static HRESULT WINAPI XA23SUB_SetChannelVolumes(IXAudio23SubmixVoice *iface,
+        UINT32 Channels, const float *pVolumes, UINT32 OperationSet)
+{
+    XA2SubmixImpl *This = impl_from_IXAudio23SubmixVoice(iface);
+    return IXAudio2SubmixVoice_SetChannelVolumes(&This->IXAudio2SubmixVoice_iface,
+            Channels, pVolumes, OperationSet);
+}
+
+static void WINAPI XA23SUB_GetChannelVolumes(IXAudio23SubmixVoice *iface,
+        UINT32 Channels, float *pVolumes)
+{
+    XA2SubmixImpl *This = impl_from_IXAudio23SubmixVoice(iface);
+    return IXAudio2SubmixVoice_GetChannelVolumes(&This->IXAudio2SubmixVoice_iface,
+            Channels, pVolumes);
+}
+
+static HRESULT WINAPI XA23SUB_SetOutputMatrix(IXAudio23SubmixVoice *iface,
+        IXAudio2Voice *pDestinationVoice, UINT32 SubmixChannels,
+        UINT32 DestinationChannels, const float *pLevelMatrix,
+        UINT32 OperationSet)
+{
+    XA2SubmixImpl *This = impl_from_IXAudio23SubmixVoice(iface);
+    return IXAudio2SubmixVoice_SetOutputMatrix(&This->IXAudio2SubmixVoice_iface,
+            pDestinationVoice, SubmixChannels, DestinationChannels,
+            pLevelMatrix, OperationSet);
+}
+
+static void WINAPI XA23SUB_GetOutputMatrix(IXAudio23SubmixVoice *iface,
+        IXAudio2Voice *pDestinationVoice, UINT32 SubmixChannels,
+        UINT32 DestinationChannels, float *pLevelMatrix)
+{
+    XA2SubmixImpl *This = impl_from_IXAudio23SubmixVoice(iface);
+    return IXAudio2SubmixVoice_GetOutputMatrix(&This->IXAudio2SubmixVoice_iface,
+            pDestinationVoice, SubmixChannels, DestinationChannels,
+            pLevelMatrix);
+}
+
+static void WINAPI XA23SUB_DestroyVoice(IXAudio23SubmixVoice *iface)
+{
+    XA2SubmixImpl *This = impl_from_IXAudio23SubmixVoice(iface);
+    return IXAudio2SubmixVoice_DestroyVoice(&This->IXAudio2SubmixVoice_iface);
+}
+
+const IXAudio23SubmixVoiceVtbl XAudio23SubmixVoice_Vtbl = {
+    XA23SUB_GetVoiceDetails,
+    XA23SUB_SetOutputVoices,
+    XA23SUB_SetEffectChain,
+    XA23SUB_EnableEffect,
+    XA23SUB_DisableEffect,
+    XA23SUB_GetEffectState,
+    XA23SUB_SetEffectParameters,
+    XA23SUB_GetEffectParameters,
+    XA23SUB_SetFilterParameters,
+    XA23SUB_GetFilterParameters,
+    XA23SUB_SetVolume,
+    XA23SUB_GetVolume,
+    XA23SUB_SetChannelVolumes,
+    XA23SUB_GetChannelVolumes,
+    XA23SUB_SetOutputMatrix,
+    XA23SUB_GetOutputMatrix,
+    XA23SUB_DestroyVoice
+};
+
+IXAudio2Impl *impl_from_IXAudio23MasteringVoice(IXAudio23MasteringVoice *iface)
+{
+    return CONTAINING_RECORD(iface, IXAudio2Impl, IXAudio23MasteringVoice_iface);
+}
+
+static void WINAPI XA23M_GetVoiceDetails(IXAudio23MasteringVoice *iface,
+        XAUDIO2_VOICE_DETAILS *pVoiceDetails)
+{
+    IXAudio2Impl *This = impl_from_IXAudio23MasteringVoice(iface);
+    return IXAudio2MasteringVoice_GetVoiceDetails(&This->IXAudio2MasteringVoice_iface, pVoiceDetails);
+}
+
+static HRESULT WINAPI XA23M_SetOutputVoices(IXAudio23MasteringVoice *iface,
+        const XAUDIO23_VOICE_SENDS *pSendList)
+{
+    IXAudio2Impl *This = impl_from_IXAudio23MasteringVoice(iface);
+    XAUDIO2_VOICE_SENDS sends;
+    HRESULT hr;
+    DWORD i;
+
+    TRACE("%p, %p\n", This, pSendList);
+
+    sends.SendCount = pSendList->OutputCount;
+    sends.pSends = HeapAlloc(GetProcessHeap(), 0, sends.SendCount * sizeof(*sends.pSends));
+    for(i = 0; i < sends.SendCount; ++i){
+        sends.pSends[i].Flags = 0;
+        sends.pSends[i].pOutputVoice = pSendList->pOutputVoices[i];
+    }
+
+    hr = IXAudio2MasteringVoice_SetOutputVoices(&This->IXAudio2MasteringVoice_iface, &sends);
+
+    HeapFree(GetProcessHeap(), 0, sends.pSends);
+
+    return hr;
+}
+
+static HRESULT WINAPI XA23M_SetEffectChain(IXAudio23MasteringVoice *iface,
+        const XAUDIO2_EFFECT_CHAIN *pEffectChain)
+{
+    IXAudio2Impl *This = impl_from_IXAudio23MasteringVoice(iface);
+    return IXAudio2MasteringVoice_SetEffectChain(&This->IXAudio2MasteringVoice_iface, pEffectChain);
+}
+
+static HRESULT WINAPI XA23M_EnableEffect(IXAudio23MasteringVoice *iface,
+        UINT32 EffectIndex, UINT32 OperationSet)
+{
+    IXAudio2Impl *This = impl_from_IXAudio23MasteringVoice(iface);
+    return IXAudio2MasteringVoice_EnableEffect(&This->IXAudio2MasteringVoice_iface,
+            EffectIndex, OperationSet);
+}
+
+static HRESULT WINAPI XA23M_DisableEffect(IXAudio23MasteringVoice *iface,
+        UINT32 EffectIndex, UINT32 OperationSet)
+{
+    IXAudio2Impl *This = impl_from_IXAudio23MasteringVoice(iface);
+    return IXAudio2MasteringVoice_DisableEffect(&This->IXAudio2MasteringVoice_iface,
+            EffectIndex, OperationSet);
+}
+
+static void WINAPI XA23M_GetEffectState(IXAudio23MasteringVoice *iface,
+        UINT32 EffectIndex, BOOL *pEnabled)
+{
+    IXAudio2Impl *This = impl_from_IXAudio23MasteringVoice(iface);
+    return IXAudio2MasteringVoice_GetEffectState(&This->IXAudio2MasteringVoice_iface,
+            EffectIndex, pEnabled);
+}
+
+static HRESULT WINAPI XA23M_SetEffectParameters(IXAudio23MasteringVoice *iface,
+        UINT32 EffectIndex, const void *pParameters, UINT32 ParametersByteSize,
+        UINT32 OperationSet)
+{
+    IXAudio2Impl *This = impl_from_IXAudio23MasteringVoice(iface);
+    return IXAudio2MasteringVoice_SetEffectParameters(&This->IXAudio2MasteringVoice_iface,
+            EffectIndex, pParameters, ParametersByteSize, OperationSet);
+}
+
+static HRESULT WINAPI XA23M_GetEffectParameters(IXAudio23MasteringVoice *iface,
+        UINT32 EffectIndex, void *pParameters, UINT32 ParametersByteSize)
+{
+    IXAudio2Impl *This = impl_from_IXAudio23MasteringVoice(iface);
+    return IXAudio2MasteringVoice_GetEffectParameters(&This->IXAudio2MasteringVoice_iface,
+            EffectIndex, pParameters, ParametersByteSize);
+}
+
+static HRESULT WINAPI XA23M_SetFilterParameters(IXAudio23MasteringVoice *iface,
+        const XAUDIO2_FILTER_PARAMETERS *pParameters, UINT32 OperationSet)
+{
+    IXAudio2Impl *This = impl_from_IXAudio23MasteringVoice(iface);
+    return IXAudio2MasteringVoice_SetFilterParameters(&This->IXAudio2MasteringVoice_iface,
+            pParameters, OperationSet);
+}
+
+static void WINAPI XA23M_GetFilterParameters(IXAudio23MasteringVoice *iface,
+        XAUDIO2_FILTER_PARAMETERS *pParameters)
+{
+    IXAudio2Impl *This = impl_from_IXAudio23MasteringVoice(iface);
+    return IXAudio2MasteringVoice_GetFilterParameters(&This->IXAudio2MasteringVoice_iface, pParameters);
+}
+
+static HRESULT WINAPI XA23M_SetVolume(IXAudio23MasteringVoice *iface,
+        float Volume, UINT32 OperationSet)
+{
+    IXAudio2Impl *This = impl_from_IXAudio23MasteringVoice(iface);
+    return IXAudio2MasteringVoice_SetVolume(&This->IXAudio2MasteringVoice_iface,
+            Volume, OperationSet);
+}
+
+static void WINAPI XA23M_GetVolume(IXAudio23MasteringVoice *iface,
+        float *pVolume)
+{
+    IXAudio2Impl *This = impl_from_IXAudio23MasteringVoice(iface);
+    return IXAudio2MasteringVoice_GetVolume(&This->IXAudio2MasteringVoice_iface, pVolume);
+}
+
+static HRESULT WINAPI XA23M_SetChannelVolumes(IXAudio23MasteringVoice *iface,
+        UINT32 Channels, const float *pVolumes, UINT32 OperationSet)
+{
+    IXAudio2Impl *This = impl_from_IXAudio23MasteringVoice(iface);
+    return IXAudio2MasteringVoice_SetChannelVolumes(&This->IXAudio2MasteringVoice_iface,
+            Channels, pVolumes, OperationSet);
+}
+
+static void WINAPI XA23M_GetChannelVolumes(IXAudio23MasteringVoice *iface,
+        UINT32 Channels, float *pVolumes)
+{
+    IXAudio2Impl *This = impl_from_IXAudio23MasteringVoice(iface);
+    return IXAudio2MasteringVoice_GetChannelVolumes(&This->IXAudio2MasteringVoice_iface,
+            Channels, pVolumes);
+}
+
+static HRESULT WINAPI XA23M_SetOutputMatrix(IXAudio23MasteringVoice *iface,
+        IXAudio2Voice *pDestinationVoice, UINT32 MasteringChannels,
+        UINT32 DestinationChannels, const float *pLevelMatrix,
+        UINT32 OperationSet)
+{
+    IXAudio2Impl *This = impl_from_IXAudio23MasteringVoice(iface);
+    return IXAudio2MasteringVoice_SetOutputMatrix(&This->IXAudio2MasteringVoice_iface,
+            pDestinationVoice, MasteringChannels, DestinationChannels,
+            pLevelMatrix, OperationSet);
+}
+
+static void WINAPI XA23M_GetOutputMatrix(IXAudio23MasteringVoice *iface,
+        IXAudio2Voice *pDestinationVoice, UINT32 MasteringChannels,
+        UINT32 DestinationChannels, float *pLevelMatrix)
+{
+    IXAudio2Impl *This = impl_from_IXAudio23MasteringVoice(iface);
+    return IXAudio2MasteringVoice_GetOutputMatrix(&This->IXAudio2MasteringVoice_iface,
+            pDestinationVoice, MasteringChannels, DestinationChannels,
+            pLevelMatrix);
+}
+
+static void WINAPI XA23M_DestroyVoice(IXAudio23MasteringVoice *iface)
+{
+    IXAudio2Impl *This = impl_from_IXAudio23MasteringVoice(iface);
+    return IXAudio2MasteringVoice_DestroyVoice(&This->IXAudio2MasteringVoice_iface);
+}
+
+const IXAudio23MasteringVoiceVtbl XAudio23MasteringVoice_Vtbl = {
+    XA23M_GetVoiceDetails,
+    XA23M_SetOutputVoices,
+    XA23M_SetEffectChain,
+    XA23M_EnableEffect,
+    XA23M_DisableEffect,
+    XA23M_GetEffectState,
+    XA23M_SetEffectParameters,
+    XA23M_GetEffectParameters,
+    XA23M_SetFilterParameters,
+    XA23M_GetFilterParameters,
+    XA23M_SetVolume,
+    XA23M_GetVolume,
+    XA23M_SetChannelVolumes,
+    XA23M_GetChannelVolumes,
+    XA23M_SetOutputMatrix,
+    XA23M_GetOutputMatrix,
+    XA23M_DestroyVoice
+};

dlls/xaudio2_7/xaudio_dll.c

@@ -1348,6 +1348,7 @@ static HRESULT WINAPI IXAudio2Impl_CreateSourceVoice(IXAudio2 *iface,
 
         list_add_head(&This->source_voices, &src->entry);
 
+        src->IXAudio23SourceVoice_iface.lpVtbl = &XAudio23SourceVoice_Vtbl;
         src->IXAudio27SourceVoice_iface.lpVtbl = &XAudio27SourceVoice_Vtbl;
         src->IXAudio2SourceVoice_iface.lpVtbl = &XAudio2SourceVoice_Vtbl;
 
@@ -1386,7 +1387,9 @@ static HRESULT WINAPI IXAudio2Impl_CreateSourceVoice(IXAudio2 *iface,
 
     alSourcePlay(src->al_src);
 
-    if(This->version == 27)
+    if(This->version <= 23)
+        *ppSourceVoice = (IXAudio2SourceVoice*)&src->IXAudio23SourceVoice_iface;
+    else if(This->version <= 27)
         *ppSourceVoice = (IXAudio2SourceVoice*)&src->IXAudio27SourceVoice_iface;
     else
         *ppSourceVoice = &src->IXAudio2SourceVoice_iface;
@@ -1425,6 +1428,7 @@ static HRESULT WINAPI IXAudio2Impl_CreateSubmixVoice(IXAudio2 *iface,
 
         list_add_head(&This->submix_voices, &sub->entry);
 
+        sub->IXAudio23SubmixVoice_iface.lpVtbl = &XAudio23SubmixVoice_Vtbl;
         sub->IXAudio2SubmixVoice_iface.lpVtbl = &XAudio2SubmixVoice_Vtbl;
 
         InitializeCriticalSection(&sub->lock);
@@ -1435,6 +1439,9 @@ static HRESULT WINAPI IXAudio2Impl_CreateSubmixVoice(IXAudio2 *iface,
 
     LeaveCriticalSection(&This->lock);
 
+    if(This->version <= 23)
+        *ppSubmixVoice = (IXAudio2SubmixVoice*)&sub->IXAudio23SubmixVoice_iface;
+    else
         *ppSubmixVoice = &sub->IXAudio2SubmixVoice_iface;
 
     TRACE("Created submix voice: %p\n", sub);
@@ -1658,6 +1665,9 @@ static HRESULT WINAPI IXAudio2Impl_CreateMasteringVoice(IXAudio2 *iface,
 
     IAudioClient_Start(This->aclient);
 
+    if(This->version <= 23)
+        *ppMasteringVoice = (IXAudio2MasteringVoice*)&This->IXAudio23MasteringVoice_iface;
+    else
         *ppMasteringVoice = &This->IXAudio2MasteringVoice_iface;
 
 exit:
@@ -2159,6 +2169,17 @@ static const IXAPOParametersVtbl RVBXAPOParameters_Vtbl = {
     RVBXAPOParams_GetParameters
 };
 
+struct xaudio2_cf {
+    IClassFactory IClassFactory_iface;
+    LONG ref;
+    DWORD version;
+};
+
+struct xaudio2_cf *impl_from_IClassFactory(IClassFactory *iface)
+{
+    return CONTAINING_RECORD(iface, struct xaudio2_cf, IClassFactory_iface);
+}
+
 static HRESULT WINAPI XAudio2CF_QueryInterface(IClassFactory *iface, REFIID riid, void **ppobj)
 {
     if(IsEqualGUID(riid, &IID_IUnknown)
@@ -2176,12 +2197,20 @@ static HRESULT WINAPI XAudio2CF_QueryInterface(IClassFactory *iface, REFIID riid
 
 static ULONG WINAPI XAudio2CF_AddRef(IClassFactory *iface)
 {
-    return 2;
+    struct xaudio2_cf *This = impl_from_IClassFactory(iface);
+    ULONG ref = InterlockedIncrement(&This->ref);
+    TRACE("(%p)->(): Refcount now %u\n", This, ref);
+    return ref;
 }
 
 static ULONG WINAPI XAudio2CF_Release(IClassFactory *iface)
 {
-    return 1;
+    struct xaudio2_cf *This = impl_from_IClassFactory(iface);
+    ULONG ref = InterlockedDecrement(&This->ref);
+    TRACE("(%p)->(): Refcount now %u\n", This, ref);
+    if (!ref)
+        HeapFree(GetProcessHeap(), 0, This);
+    return ref;
 }
 
 static HRESULT initialize_mmdevices(IXAudio2Impl *This)
@@ -2260,10 +2289,11 @@ static HRESULT initialize_mmdevices(IXAudio2Impl *This)
 static HRESULT WINAPI XAudio2CF_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
                                                REFIID riid, void **ppobj)
 {
+    struct xaudio2_cf *This = impl_from_IClassFactory(iface);
     HRESULT hr;
     IXAudio2Impl *object;
 
-    TRACE("(static)->(%p,%s,%p)\n", pOuter, debugstr_guid(riid), ppobj);
+    TRACE("(%p)->(%p,%s,%p)\n", This, pOuter, debugstr_guid(riid), ppobj);
 
     *ppobj = NULL;
 
@@ -2276,11 +2306,12 @@ static HRESULT WINAPI XAudio2CF_CreateInstance(IClassFactory *iface, IUnknown *p
 
     object->IXAudio27_iface.lpVtbl = &XAudio27_Vtbl;
     object->IXAudio2_iface.lpVtbl = &XAudio2_Vtbl;
+    object->IXAudio23MasteringVoice_iface.lpVtbl = &XAudio23MasteringVoice_Vtbl;
     object->IXAudio2MasteringVoice_iface.lpVtbl = &XAudio2MasteringVoice_Vtbl;
 
     if(IsEqualGUID(riid, &IID_IXAudio27))
-        object->version = 27;
-    else
+        object->version = This->version;
+    else /* only xaudio 2.8 has a different IID */
         object->version = 28;
 
     list_init(&object->source_voices);
@@ -2310,6 +2341,16 @@ static HRESULT WINAPI XAudio2CF_CreateInstance(IClassFactory *iface, IUnknown *p
     return hr;
 }
 
+static ULONG WINAPI static_AddRef(IClassFactory *iface)
+{
+    return 2;
+}
+
+static ULONG WINAPI static_Release(IClassFactory *iface)
+{
+    return 1;
+}
+
 static HRESULT WINAPI VUMeterCF_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
         REFIID riid, void **ppobj)
 {
@@ -2386,8 +2427,8 @@ static const IClassFactoryVtbl XAudio2CF_Vtbl =
 static const IClassFactoryVtbl VUMeterCF_Vtbl =
 {
     XAudio2CF_QueryInterface,
-    XAudio2CF_AddRef,
-    XAudio2CF_Release,
+    static_AddRef,
+    static_Release,
     VUMeterCF_CreateInstance,
     XAudio2CF_LockServer
 };
@@ -2395,24 +2436,34 @@ static const IClassFactoryVtbl VUMeterCF_Vtbl =
 static const IClassFactoryVtbl ReverbCF_Vtbl =
 {
     XAudio2CF_QueryInterface,
-    XAudio2CF_AddRef,
-    XAudio2CF_Release,
+    static_AddRef,
+    static_Release,
     ReverbCF_CreateInstance,
     XAudio2CF_LockServer
 };
 
-static IClassFactory xaudio2_cf = { &XAudio2CF_Vtbl };
 static IClassFactory vumeter_cf = { &VUMeterCF_Vtbl };
 static IClassFactory reverb_cf = { &ReverbCF_Vtbl };
 
+static IClassFactory *make_xaudio2_factory(DWORD version)
+{
+    struct xaudio2_cf *ret = HeapAlloc(GetProcessHeap(), 0, sizeof(struct xaudio2_cf));
+    ret->IClassFactory_iface.lpVtbl = &XAudio2CF_Vtbl;
+    ret->version = version;
+    ret->ref = 0;
+    return &ret->IClassFactory_iface;
+}
+
 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
 {
     IClassFactory *factory = NULL;
 
     TRACE("(%s, %s, %p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 
-    if(IsEqualGUID(rclsid, &CLSID_XAudio2)) {
-        factory = &xaudio2_cf;
+    if IsEqualGUID(rclsid, &CLSID_XAudio23){
+        factory = make_xaudio2_factory(23);
+    }else if(IsEqualGUID(rclsid, &CLSID_XAudio2)){
+        factory = make_xaudio2_factory(27);
     }else if(IsEqualGUID(rclsid, &CLSID_AudioVolumeMeter)) {
         factory = &vumeter_cf;
     }else if(IsEqualGUID(rclsid, &CLSID_AudioReverb)) {

dlls/xaudio2_7/xaudio_private.h

@@ -42,6 +42,7 @@ typedef struct _XA2Buffer {
 typedef struct _IXAudio2Impl IXAudio2Impl;
 
 typedef struct _XA2SourceImpl {
+    IXAudio23SourceVoice IXAudio23SourceVoice_iface;
     IXAudio27SourceVoice IXAudio27SourceVoice_iface;
     IXAudio2SourceVoice IXAudio2SourceVoice_iface;
 
@@ -80,6 +81,7 @@ typedef struct _XA2SourceImpl {
 } XA2SourceImpl;
 
 typedef struct _XA2SubmixImpl {
+    IXAudio23SubmixVoice IXAudio23SubmixVoice_iface;
     IXAudio2SubmixVoice IXAudio2SubmixVoice_iface;
 
     BOOL in_use;
@@ -92,6 +94,7 @@ typedef struct _XA2SubmixImpl {
 struct _IXAudio2Impl {
     IXAudio27 IXAudio27_iface;
     IXAudio2 IXAudio2_iface;
+    IXAudio23MasteringVoice IXAudio23MasteringVoice_iface;
     IXAudio2MasteringVoice IXAudio2MasteringVoice_iface;
 
     LONG ref;
@@ -129,3 +132,7 @@ struct _IXAudio2Impl {
 
 extern const IXAudio27SourceVoiceVtbl XAudio27SourceVoice_Vtbl DECLSPEC_HIDDEN;
 extern const IXAudio27Vtbl XAudio27_Vtbl DECLSPEC_HIDDEN;
+
+extern const IXAudio23SourceVoiceVtbl XAudio23SourceVoice_Vtbl DECLSPEC_HIDDEN;
+extern const IXAudio23SubmixVoiceVtbl XAudio23SubmixVoice_Vtbl DECLSPEC_HIDDEN;
+extern const IXAudio23MasteringVoiceVtbl XAudio23MasteringVoice_Vtbl DECLSPEC_HIDDEN;

include/xaudio2.idl

@@ -31,6 +31,13 @@ coclass XAudio2 {
 }
 
 [
+    uuid(4c5e637a-16c7-4de3-9c46-5ed22181962d)
+]
+coclass XAudio23 {
+    interface IUnknown;
+}
+
+[
     uuid(db05ea35-0329-4d4b-a53a-6dead03d3852)
 ]
 coclass XAudio2Debug {
@@ -153,6 +160,13 @@ typedef struct XAUDIO2_SEND_DESCRIPTOR
     IXAudio2Voice* pOutputVoice;
 } XAUDIO2_SEND_DESCRIPTOR;
 
+/* XAudio2 2.3's XAUDIO2_VOICE_SENDS struct */
+typedef struct XAUDIO23_VOICE_SENDS
+{
+    UINT32 OutputCount;
+    IXAudio2Voice **pOutputVoices;
+} XAUDIO23_VOICE_SENDS;
+
 typedef struct XAUDIO2_VOICE_SENDS
 {
     UINT32 SendCount;
@@ -222,6 +236,80 @@ typedef struct XAUDIO2_FILTER_PARAMETERS
     float OneOverQ;
 } XAUDIO2_FILTER_PARAMETERS;
 
+/* XAudio 2.3's IXAudio2Voice */
+/* XAudio2 2.3's IXAudio2Voice interface. Actually called
+ * IXAudio2Voice in the Nov 2008 DX SDK */
+[
+    object,
+    local
+]
+interface IXAudio23Voice
+{
+    void GetVoiceDetails([out] XAUDIO2_VOICE_DETAILS* pVoiceDetails);
+
+    HRESULT SetOutputVoices([in] const XAUDIO23_VOICE_SENDS* pSendList);
+
+    HRESULT SetEffectChain([in] const XAUDIO2_EFFECT_CHAIN* pEffectChain);
+
+    HRESULT EnableEffect(
+        [in] UINT32 EffectIndex,
+        [in, defaultvalue(XAUDIO2_COMMIT_NOW)] UINT32 OperationSet);
+
+    HRESULT DisableEffect(
+        [in] UINT32 EffectIndex,
+        [in, defaultvalue(XAUDIO2_COMMIT_NOW)] UINT32 OperationSet);
+
+    void GetEffectState(
+        [in] UINT32 EffectIndex,
+        [out] BOOL* pEnabled);
+
+    HRESULT SetEffectParameters(
+        [in] UINT32 EffectIndex,
+        [in] const void* pParameters,
+        [in] UINT32 ParametersByteSize,
+        [in, defaultvalue(XAUDIO2_COMMIT_NOW)] UINT32 OperationSet);
+
+    HRESULT GetEffectParameters(
+        [in] UINT32 EffectIndex,
+        [out] void* pParameters,
+        [in] UINT32 ParametersByteSize);
+
+    HRESULT SetFilterParameters(
+        [in] const XAUDIO2_FILTER_PARAMETERS* pParameters,
+        [in, defaultvalue(XAUDIO2_COMMIT_NOW)] UINT32 OperationSet);
+
+    void GetFilterParameters([out] XAUDIO2_FILTER_PARAMETERS* pParameters);
+
+    HRESULT SetVolume(
+        [in] float Volume,
+        [in, defaultvalue(XAUDIO2_COMMIT_NOW)] UINT32 OperationSet);
+
+    void GetVolume([out] float* pVolume);
+
+    HRESULT SetChannelVolumes(
+        [in] UINT32 Channels,
+        [in, size_is(Channels)] const float* pVolumes,
+        [in, defaultvalue(XAUDIO2_COMMIT_NOW)] UINT32 OperationSet);
+
+    void GetChannelVolumes(
+        [in] UINT32 Channels,
+        [out, size_is(Channels)] float* pVolumes);
+
+    HRESULT SetOutputMatrix(
+        [in] IXAudio2Voice* pDestinationVoice,
+        [in] UINT32 SourceChannels,
+        [in] UINT32 DestinationChannels,
+        [in, size_is(SourceChannels * DestinationChannels)] const float* pLevelMatrix,
+        [in, defaultvalue(XAUDIO2_COMMIT_NOW)] UINT32 OperationSet);
+
+    void GetOutputMatrix(
+        [in] IXAudio2Voice* pDestinationVoice,
+        [in] UINT32 SourceChannels,
+        [in] UINT32 DestinationChannels,
+        [out, size_is(SourceChannels * DestinationChannels)] float* pLevelMatrix);
+
+    void DestroyVoice();
+}
 [
     object,
     local
@@ -332,6 +420,40 @@ typedef struct XAUDIO2_VOICE_STATE
 [
     local
 ]
+/* XAudio2 2.3's IXAudio2SourceVoice interface. Actually called
+ * IXAudio2SourceVoice in the Nov 2008 DX SDK */
+interface IXAudio23SourceVoice : IXAudio23Voice
+{
+    HRESULT Start(
+        [in, defaultvalue(0)] UINT32 Flags,
+        [in, defaultvalue(XAUDIO2_COMMIT_NOW)] UINT32 OperationSet);
+
+    HRESULT Stop(
+        [in, defaultvalue(0)] UINT32 Flags,
+        [in, defaultvalue(XAUDIO2_COMMIT_NOW)] UINT32 OperationSet);
+
+    HRESULT SubmitSourceBuffer(
+        [in] const XAUDIO2_BUFFER* pBuffer,
+        [in, defaultvalue(NULL)] const XAUDIO2_BUFFER_WMA* pBufferWMA);
+
+    HRESULT FlushSourceBuffers();
+
+    HRESULT Discontinuity();
+
+    HRESULT ExitLoop([in, defaultvalue(XAUDIO2_COMMIT_NOW)] UINT32 OperationSet);
+
+    void GetState([out] XAUDIO2_VOICE_STATE* pVoiceState);
+
+    HRESULT SetFrequencyRatio(
+        [in] float Ratio,
+        [in, defaultvalue(XAUDIO2_COMMIT_NOW)] UINT32 OperationSet);
+
+    void GetFrequencyRatio([out] float* pRatio);
+}
+
+[
+    local
+]
 /* XAudio2 2.7's IXAudio2SourceVoice interface. Actually called
  * IXAudio2SourceVoice in the Jun 2010 DX SDK */
 interface IXAudio27SourceVoice : IXAudio2Voice
@@ -403,6 +525,15 @@ interface IXAudio2SourceVoice : IXAudio2Voice
 [
     local
 ]
+/* XAudio2 2.3's IXAudio2SubmixVoice interface. Actually called
+ * IXAudio2SubmixVoice in the Nov 2008 DX SDK */
+interface IXAudio23SubmixVoice : IXAudio23Voice
+{
+}
+
+[
+    local
+]
 interface IXAudio2SubmixVoice : IXAudio2Voice
 {
 }
@@ -410,6 +541,15 @@ interface IXAudio2SubmixVoice : IXAudio2Voice
 [
     local
 ]
+/* XAudio2 2.3's IXAudio2MasteringVoice interface. Actually called
+ * IXAudio2MasteringVoice in the Nov 2008 DX SDK */
+interface IXAudio23MasteringVoice : IXAudio23Voice
+{
+}
+
+[
+    local
+]
 interface IXAudio2MasteringVoice : IXAudio2Voice
 {
     /* not present in XAudio2 2.7 */