diff --git a/reactos/dll/directx/wine/devenum/CMakeLists.txt b/reactos/dll/directx/wine/devenum/CMakeLists.txt
index 47ad36eb20e..3992202e2ed 100644
--- a/reactos/dll/directx/wine/devenum/CMakeLists.txt
+++ b/reactos/dll/directx/wine/devenum/CMakeLists.txt
@@ -23,6 +23,6 @@ set_source_files_properties(devenum.rc PROPERTIES OBJECT_DEPENDS ${CMAKE_CURRENT
 set_module_type(devenum win32dll UNICODE)
 target_link_libraries(devenum strmiids uuid wine)
 add_delay_importlibs(devenum msvfw32)
-add_importlibs(devenum advapi32 advapi32_vista ole32 oleaut32 winmm user32 avicap32 msvcrt kernel32 ntdll)
+add_importlibs(devenum advapi32 advapi32_vista ole32 oleaut32 winmm user32 avicap32 msacm32 msvcrt kernel32 ntdll)
 add_pch(devenum devenum_private.h SOURCE)
 add_cd_file(TARGET devenum DESTINATION reactos/system32 FOR all)
diff --git a/reactos/dll/directx/wine/devenum/createdevenum.c b/reactos/dll/directx/wine/devenum/createdevenum.c
index a4d0df5a34b..3cb58cadb3f 100644
--- a/reactos/dll/directx/wine/devenum/createdevenum.c
+++ b/reactos/dll/directx/wine/devenum/createdevenum.c
@@ -109,6 +109,7 @@ static BOOL IsSpecialCategory(const CLSID *clsid)
         IsEqualGUID(clsid, &CLSID_AudioInputDeviceCategory) ||
         IsEqualGUID(clsid, &CLSID_VideoInputDeviceCategory) ||
         IsEqualGUID(clsid, &CLSID_VideoCompressorCategory) ||
+        IsEqualGUID(clsid, &CLSID_AudioCompressorCategory) ||
         IsEqualGUID(clsid, &CLSID_MidiRendererCategory);
 }
 
@@ -633,6 +634,72 @@ static void register_vfw_codecs(void)
     RegCloseKey(basekey);
 }
 
+static BOOL WINAPI acm_driver_callback(HACMDRIVERID hadid, DWORD_PTR user, DWORD support)
+{
+    static const WCHAR CLSIDW[] = {'C','L','S','I','D',0};
+    static const WCHAR AcmIdW[] = {'A','c','m','I','d',0};
+    static const WCHAR FriendlyNameW[] = {'F','r','i','e','n','d','l','y','N','a','m','e',0};
+    static const WCHAR fmtW[] = {'%','u','%','s',0};
+
+    WCHAR acmwrapper_clsid_str[CHARS_IN_GUID], buffer[MAX_PATH];
+    HKEY key, basekey = (HKEY) user;
+    ACMFORMATTAGDETAILSW format;
+    ACMDRIVERDETAILSW driver;
+    HACMDRIVER had;
+    DWORD i, res;
+
+    StringFromGUID2(&CLSID_ACMWrapper, acmwrapper_clsid_str, sizeof(acmwrapper_clsid_str)/sizeof(WCHAR));
+
+    driver.cbStruct = sizeof(driver);
+    if (acmDriverDetailsW(hadid, &driver, 0) != MMSYSERR_NOERROR)
+        return TRUE;
+
+    if (acmDriverOpen(&had, hadid, 0) != MMSYSERR_NOERROR)
+        return TRUE;
+
+    for (i = 0; i < driver.cFormatTags; i++)
+    {
+        memset(&format, 0, sizeof(format));
+        format.cbStruct = sizeof(format);
+        format.dwFormatTagIndex = i;
+
+        if (acmFormatTagDetailsW(had, &format, ACM_FORMATTAGDETAILSF_INDEX) != MMSYSERR_NOERROR)
+            continue;
+
+        snprintfW(buffer, sizeof(buffer)/sizeof(WCHAR), fmtW, format.dwFormatTag, format.szFormatTag);
+
+        res = RegCreateKeyW(basekey, buffer, &key);
+        if (res != ERROR_SUCCESS) continue;
+
+        RegSetValueExW(key, CLSIDW, 0, REG_SZ, (BYTE*)acmwrapper_clsid_str, sizeof(acmwrapper_clsid_str));
+        RegSetValueExW(key, AcmIdW, 0, REG_DWORD, (BYTE*)&format.dwFormatTag, sizeof(DWORD));
+        RegSetValueExW(key, FriendlyNameW, 0, REG_SZ, (BYTE*)format.szFormatTag, (strlenW(format.szFormatTag)+1)*sizeof(WCHAR));
+        /* FIXME: Set FilterData values */
+
+        RegCloseKey(key);
+    }
+
+    acmDriverClose(had, 0);
+
+    return TRUE;
+}
+
+static void register_acm_codecs(void)
+{
+    HKEY basekey;
+
+    basekey = open_special_category_key(&CLSID_AudioCompressorCategory, TRUE);
+    if (!basekey)
+    {
+        ERR("Could not create key\n");
+        return;
+    }
+
+    acmDriverEnum(acm_driver_callback, (DWORD_PTR)basekey, 0);
+
+    RegCloseKey(basekey);
+}
+
 static HANDLE DEVENUM_populate_handle;
 static const WCHAR DEVENUM_populate_handle_nameW[] =
     {'_','_','W','I','N','E','_',
@@ -685,6 +752,8 @@ static HRESULT DEVENUM_CreateSpecialCategories(void)
         RegDeleteTreeW(basekey, path);
     if (SUCCEEDED(DEVENUM_GetCategoryKey(&CLSID_VideoCompressorCategory, &basekey, path, MAX_PATH)))
         RegDeleteTreeW(basekey, path);
+    if (SUCCEEDED(DEVENUM_GetCategoryKey(&CLSID_AudioCompressorCategory, &basekey, path, MAX_PATH)))
+        RegDeleteTreeW(basekey, path);
 
     rf2.dwVersion = 2;
     rf2.dwMerit = MERIT_PREFERRED;
@@ -966,6 +1035,7 @@ static HRESULT DEVENUM_CreateSpecialCategories(void)
         IFilterMapper2_Release(pMapper);
 
     register_vfw_codecs();
+    register_acm_codecs();
 
     SetEvent(DEVENUM_populate_handle);
     return res;
diff --git a/reactos/dll/directx/wine/devenum/mediacatenum.c b/reactos/dll/directx/wine/devenum/mediacatenum.c
index 4e30d66a2c3..fb4e561dc7d 100644
--- a/reactos/dll/directx/wine/devenum/mediacatenum.c
+++ b/reactos/dll/directx/wine/devenum/mediacatenum.c
@@ -352,12 +352,14 @@ static HRESULT WINAPI DEVENUM_IMediaCatMoniker_GetClassID(IMoniker *iface, CLSID
 {
     MediaCatMoniker *This = impl_from_IMoniker(iface);
 
-    FIXME("(%p)->(%p): stub\n", This, pClassID);
+    TRACE("(%p)->(%p)\n", This, pClassID);
 
     if (pClassID == NULL)
-        return E_POINTER;
+        return E_INVALIDARG;
 
-    return E_NOTIMPL;
+    *pClassID = CLSID_CDeviceMoniker;
+
+    return S_OK;
 }
 
 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_IsDirty(IMoniker *iface)
@@ -523,9 +525,36 @@ static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Enum(IMoniker *iface, BOOL fForwa
 
 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_IsEqual(IMoniker *iface, IMoniker *pmkOtherMoniker)
 {
-    FIXME("(%p)->(%p): stub\n", iface, pmkOtherMoniker);
+    CLSID clsid;
+    LPOLESTR this_name, other_name;
+    IBindCtx *bind;
+    HRESULT res;
 
-    return E_NOTIMPL;
+    TRACE("(%p)->(%p)\n", iface, pmkOtherMoniker);
+
+    if (!pmkOtherMoniker)
+        return E_INVALIDARG;
+
+    IMoniker_GetClassID(pmkOtherMoniker, &clsid);
+    if (!IsEqualCLSID(&clsid, &CLSID_CDeviceMoniker))
+        return S_FALSE;
+
+    res = CreateBindCtx(0, &bind);
+    if (FAILED(res))
+       return res;
+
+    res = S_FALSE;
+    if (SUCCEEDED(IMoniker_GetDisplayName(iface, bind, NULL, &this_name)) &&
+        SUCCEEDED(IMoniker_GetDisplayName(pmkOtherMoniker, bind, NULL, &other_name)))
+    {
+        int result = lstrcmpiW(this_name, other_name);
+        CoTaskMemFree(this_name);
+        CoTaskMemFree(other_name);
+        if (!result)
+            res = S_OK;
+    }
+    IBindCtx_Release(bind);
+    return res;
 }
 
 static HRESULT WINAPI DEVENUM_IMediaCatMoniker_Hash(IMoniker *iface, DWORD *pdwHash)
@@ -591,14 +620,14 @@ static HRESULT WINAPI DEVENUM_IMediaCatMoniker_GetDisplayName(IMoniker *iface, I
     MediaCatMoniker *This = impl_from_IMoniker(iface);
     WCHAR wszBuffer[MAX_PATH];
     static const WCHAR wszFriendlyName[] = {'F','r','i','e','n','d','l','y','N','a','m','e',0};
-    LONG received = sizeof(wszFriendlyName);
+    DWORD received = sizeof(wszBuffer);
 
     TRACE("(%p)->(%p, %p, %p)\n", iface, pbc, pmkToLeft, ppszDisplayName);
 
     *ppszDisplayName = NULL;
 
     /* FIXME: should this be the weird stuff we have to parse in IParseDisplayName? */
-    if (RegQueryValueW(This->hkey, wszFriendlyName, wszBuffer, &received) == ERROR_SUCCESS)
+    if (RegQueryValueExW(This->hkey, wszFriendlyName, NULL, NULL, (LPBYTE)wszBuffer, &received) == ERROR_SUCCESS)
     {
         *ppszDisplayName = CoTaskMemAlloc(received);
         strcpyW(*ppszDisplayName, wszBuffer);
diff --git a/reactos/media/doc/README.WINE b/reactos/media/doc/README.WINE
index 98b444c385f..415119b76c1 100644
--- a/reactos/media/doc/README.WINE
+++ b/reactos/media/doc/README.WINE
@@ -29,7 +29,7 @@ reactos/dll/directx/wine/d3drm          # Synced to WineStaging-1.9.23
 reactos/dll/directx/wine/d3dx9_24 => 43 # Synced to WineStaging-1.9.4
 reactos/dll/directx/wine/d3dxof         # Synced to WineStaging-1.9.23
 reactos/dll/directx/wine/ddraw          # Synced to WineStaging-1.9.4
-reactos/dll/directx/wine/devenum        # Synced to WineStaging-1.9.23
+reactos/dll/directx/wine/devenum        # Synced to WineStaging-2.9
 reactos/dll/directx/wine/dinput         # Synced to WineStaging-2.2
 reactos/dll/directx/wine/dinput8        # Synced to WineStaging-1.9.23
 reactos/dll/directx/wine/dmusic         # Synced to WineStaging-1.9.23