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provider.c

/* 
 * IDxDiagProvider Implementation
 * 
 * Copyright 2004-2005 Raphael Junqueira
 *
 * 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 "config.h"

#define COBJMACROS
#define NONAMELESSUNION
#include "dxdiag_private.h"
#include "wine/unicode.h"
#include "winver.h"
#include "objidl.h"
#include "dshow.h"
#include "strmif.h"
#include "vfw.h"
#include "mmddk.h"
#include "ddraw.h"

#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(dxdiag);

/* IDxDiagProvider IUnknown parts follow: */
static HRESULT WINAPI IDxDiagProviderImpl_QueryInterface(PDXDIAGPROVIDER iface, REFIID riid, LPVOID *ppobj)
{
    IDxDiagProviderImpl *This = (IDxDiagProviderImpl *)iface;

    if (IsEqualGUID(riid, &IID_IUnknown)
        || IsEqualGUID(riid, &IID_IDxDiagProvider)) {
        IUnknown_AddRef(iface);
        *ppobj = This;
        return S_OK;
    }

    WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
    return E_NOINTERFACE;
}

static ULONG WINAPI IDxDiagProviderImpl_AddRef(PDXDIAGPROVIDER iface) {
    IDxDiagProviderImpl *This = (IDxDiagProviderImpl *)iface;
    ULONG refCount = InterlockedIncrement(&This->ref);

    TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);

    DXDIAGN_LockModule();

    return refCount;
}

static ULONG WINAPI IDxDiagProviderImpl_Release(PDXDIAGPROVIDER iface) {
    IDxDiagProviderImpl *This = (IDxDiagProviderImpl *)iface;
    ULONG refCount = InterlockedDecrement(&This->ref);

    TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);

    if (!refCount) {
        HeapFree(GetProcessHeap(), 0, This);
    }

    DXDIAGN_UnlockModule();
    
    return refCount;
}

/* IDxDiagProvider Interface follow: */
static HRESULT WINAPI IDxDiagProviderImpl_Initialize(PDXDIAGPROVIDER iface, DXDIAG_INIT_PARAMS* pParams) {
    IDxDiagProviderImpl *This = (IDxDiagProviderImpl *)iface;
    TRACE("(%p,%p)\n", iface, pParams);

    if (NULL == pParams) {
      return E_POINTER;
    }
    if (pParams->dwSize != sizeof(DXDIAG_INIT_PARAMS)) {
      return E_INVALIDARG;
    }

    This->init = TRUE;
    memcpy(&This->params, pParams, pParams->dwSize);
    return S_OK;
}

static HRESULT WINAPI IDxDiagProviderImpl_GetRootContainer(PDXDIAGPROVIDER iface, IDxDiagContainer** ppInstance) {
  HRESULT hr = S_OK;
  IDxDiagProviderImpl *This = (IDxDiagProviderImpl *)iface;
  TRACE("(%p,%p)\n", iface, ppInstance);

  if (NULL == ppInstance) {
    return E_INVALIDARG;
  }
  if (FALSE == This->init) {
    return E_INVALIDARG; /* should be E_CO_UNINITIALIZED */
  }
  if (NULL == This->pRootContainer) {
    hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, (void**) &This->pRootContainer);
    if (FAILED(hr)) {
      return hr;
    }
    hr = DXDiag_InitRootDXDiagContainer((PDXDIAGCONTAINER)This->pRootContainer);
  }
  return IDxDiagContainerImpl_QueryInterface((PDXDIAGCONTAINER)This->pRootContainer, &IID_IDxDiagContainer, (void**) ppInstance);
}

static const IDxDiagProviderVtbl DxDiagProvider_Vtbl =
{
    IDxDiagProviderImpl_QueryInterface,
    IDxDiagProviderImpl_AddRef,
    IDxDiagProviderImpl_Release,
    IDxDiagProviderImpl_Initialize,
    IDxDiagProviderImpl_GetRootContainer
};

HRESULT DXDiag_CreateDXDiagProvider(LPCLASSFACTORY iface, LPUNKNOWN punkOuter, REFIID riid, LPVOID *ppobj) {
  IDxDiagProviderImpl* provider;

  TRACE("(%p, %s, %p)\n", punkOuter, debugstr_guid(riid), ppobj);
  
  provider = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDxDiagProviderImpl));
  if (NULL == provider) {
    *ppobj = NULL;
    return E_OUTOFMEMORY;
  }
  provider->lpVtbl = &DxDiagProvider_Vtbl;
  provider->ref = 0; /* will be inited with QueryInterface */
  return IDxDiagProviderImpl_QueryInterface ((PDXDIAGPROVIDER)provider, riid, ppobj);
} 

static inline HRESULT add_prop_str( IDxDiagContainer* cont, LPCWSTR prop, LPCWSTR str )
{
    HRESULT hr;
    VARIANT var;

    V_VT( &var ) = VT_BSTR;
    V_BSTR( &var ) = SysAllocString( str );
    hr = IDxDiagContainerImpl_AddProp( cont, prop, &var );
    VariantClear( &var );

    return hr;
}

static inline HRESULT add_prop_ui4( IDxDiagContainer* cont, LPCWSTR prop, DWORD data )
{
    HRESULT hr;
    VARIANT var;

    V_VT( &var ) = VT_UI4;
    V_UI4( &var ) = data;
    hr = IDxDiagContainerImpl_AddProp( cont, prop, &var );
    VariantClear( &var );

    return hr;
}

/**
 * @param szFilePath: usually GetSystemDirectoryW
 * @param szFileName: name of the dll without path
 */
static HRESULT DXDiag_AddFileDescContainer(IDxDiagContainer* pSubCont, const WCHAR* szFilePath, const WCHAR* szFileName) {
  HRESULT hr = S_OK;
  /**/
  static const WCHAR szSlashSep[] = {'\\',0};
  static const WCHAR szPath[] = {'s','z','P','a','t','h',0};
  static const WCHAR szName[] = {'s','z','N','a','m','e',0};
  static const WCHAR szVersion[] = {'s','z','V','e','r','s','i','o','n',0};
  static const WCHAR szAttributes[] = {'s','z','A','t','t','r','i','b','u','t','e','s',0};
  static const WCHAR szLanguageEnglish[] = {'s','z','L','a','n','g','u','a','g','e','E','n','g','l','i','s','h',0};
  static const WCHAR dwFileTimeHigh[] = {'d','w','F','i','l','e','T','i','m','e','H','i','g','h',0};
  static const WCHAR dwFileTimeLow[] = {'d','w','F','i','l','e','T','i','m','e','L','o','w',0};
  static const WCHAR bBeta[] = {'b','B','e','t','a',0};
  static const WCHAR bDebug[] = {'b','D','e','b','u','g',0};
  static const WCHAR bExists[] = {'b','E','x','i','s','t','s',0};
  /** values */
  static const WCHAR szFinal_Retail_v[] = {'F','i','n','a','l',' ','R','e','t','a','i','l',0};
  static const WCHAR szEnglish_v[] = {'E','n','g','l','i','s','h',0};
  static const WCHAR szVersionFormat[] = {'%','u','.','%','0','2','u','.','%','0','4','u','.','%','0','4','u',0};
  VARIANT v;

  WCHAR szFile[512];
  WCHAR szVersion_v[1024];
  DWORD retval, hdl;
  LPVOID pVersionInfo;
  BOOL boolret;
  UINT uiLength;
  VS_FIXEDFILEINFO* pFileInfo;

  FIXME("(%p,%s)\n", pSubCont, debugstr_w(szFileName));
  
  lstrcpyW(szFile, szFilePath);
  lstrcatW(szFile, szSlashSep);
  lstrcatW(szFile, szFileName);

  retval = GetFileVersionInfoSizeW(szFile, &hdl);
  pVersionInfo = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, retval);
  hr = GetFileVersionInfoW(szFile, 0, retval, pVersionInfo); 
  boolret = VerQueryValueW(pVersionInfo, szSlashSep, (LPVOID) &pFileInfo, &uiLength);

  V_VT(&v) = VT_BSTR; V_BSTR(&v) = SysAllocString(szFile);
  hr = IDxDiagContainerImpl_AddProp(pSubCont, szPath, &v);
  VariantClear(&v);
  V_VT(&v) = VT_BSTR; V_BSTR(&v) = SysAllocString(szFileName);
  hr = IDxDiagContainerImpl_AddProp(pSubCont, szName, &v);
  VariantClear(&v);
  V_VT(&v) = VT_BOOL; V_BOOL(&v) = boolret;
  hr = IDxDiagContainerImpl_AddProp(pSubCont, bExists, &v);  
  VariantClear(&v);

  if (boolret) {
    snprintfW(szVersion_v, sizeof(szVersion_v), 
            szVersionFormat,
            HIWORD(pFileInfo->dwFileVersionMS), 
            LOWORD(pFileInfo->dwFileVersionMS),
            HIWORD(pFileInfo->dwFileVersionLS),
            LOWORD(pFileInfo->dwFileVersionLS));

    TRACE("Found version as (%s)\n", debugstr_w(szVersion_v));

    V_VT(&v) = VT_BSTR; V_BSTR(&v) = SysAllocString(szVersion_v);
    hr = IDxDiagContainerImpl_AddProp(pSubCont, szVersion, &v);
    VariantClear(&v);
    V_VT(&v) = VT_BSTR; V_BSTR(&v) = SysAllocString(szFinal_Retail_v);
    hr = IDxDiagContainerImpl_AddProp(pSubCont, szAttributes, &v);
    VariantClear(&v);
    V_VT(&v) = VT_BSTR; V_BSTR(&v) = SysAllocString(szEnglish_v);
    hr = IDxDiagContainerImpl_AddProp(pSubCont, szLanguageEnglish, &v);
    VariantClear(&v);
    V_VT(&v) = VT_UI4; V_UI4(&v) = pFileInfo->dwFileDateMS;
    hr = IDxDiagContainerImpl_AddProp(pSubCont, dwFileTimeHigh, &v);
    VariantClear(&v);
    V_VT(&v) = VT_UI4; V_UI4(&v) = pFileInfo->dwFileDateLS;
    hr = IDxDiagContainerImpl_AddProp(pSubCont, dwFileTimeLow, &v);
    VariantClear(&v);
    V_VT(&v) = VT_BOOL; V_BOOL(&v) = (0 != ((pFileInfo->dwFileFlags & pFileInfo->dwFileFlagsMask) & VS_FF_PRERELEASE));
    hr = IDxDiagContainerImpl_AddProp(pSubCont, bBeta, &v);  
    VariantClear(&v);
    V_VT(&v) = VT_BOOL; V_BOOL(&v) = (0 != ((pFileInfo->dwFileFlags & pFileInfo->dwFileFlagsMask) & VS_FF_DEBUG));
    hr = IDxDiagContainerImpl_AddProp(pSubCont, bDebug, &v);  
    VariantClear(&v);
  }

  HeapFree(GetProcessHeap(), 0, pVersionInfo);

  return hr;
}

static HRESULT DXDiag_InitDXDiagSystemInfoContainer(IDxDiagContainer* pSubCont) {
  HRESULT hr = S_OK;
  static const WCHAR dwDirectXVersionMajor[] = {'d','w','D','i','r','e','c','t','X','V','e','r','s','i','o','n','M','a','j','o','r',0};
  static const WCHAR dwDirectXVersionMinor[] = {'d','w','D','i','r','e','c','t','X','V','e','r','s','i','o','n','M','i','n','o','r',0};
  static const WCHAR szDirectXVersionLetter[] = {'s','z','D','i','r','e','c','t','X','V','e','r','s','i','o','n','L','e','t','t','e','r',0};
  static const WCHAR szDirectXVersionLetter_v[] = {'c',0};
  static const WCHAR bDebug[] = {'b','D','e','b','u','g',0};
  static const WCHAR szDirectXVersionEnglish[] = {'s','z','D','i','r','e','c','t','X','V','e','r','s','i','o','n','E','n','g','l','i','s','h',0};
  static const WCHAR szDirectXVersionEnglish_v[] = {'4','.','0','9','.','0','0','0','0','.','0','9','0','4',0};
  static const WCHAR szDirectXVersionLongEnglish[] = {'s','z','D','i','r','e','c','t','X','V','e','r','s','i','o','n','L','o','n','g','E','n','g','l','i','s','h',0};
  static const WCHAR szDirectXVersionLongEnglish_v[] = {'=',' ','"','D','i','r','e','c','t','X',' ','9','.','0','c',' ','(','4','.','0','9','.','0','0','0','0','.','0','9','0','4',')',0};
  /*static const WCHAR szDxDiagVersion[] = {'s','z','D','x','D','i','a','g','V','e','r','s','i','o','n',0};*/
  /*szWindowsDir*/
  /*szWindowsDir*/
  /*"dwOSMajorVersion"*/
  /*"dwOSMinorVersion"*/
  /*"dwOSBuildNumber"*/
  /*"dwOSPlatformID"*/
  VARIANT v;

  V_VT(&v) = VT_UI4; V_UI4(&v) = 9;
  hr = IDxDiagContainerImpl_AddProp(pSubCont, dwDirectXVersionMajor, &v);
  VariantClear(&v);
  V_VT(&v) = VT_UI4; V_UI4(&v) = 0;
  hr = IDxDiagContainerImpl_AddProp(pSubCont, dwDirectXVersionMinor, &v);
  VariantClear(&v);
  V_VT(&v) = VT_BSTR; V_BSTR(&v) = SysAllocString(szDirectXVersionLetter_v);
  hr = IDxDiagContainerImpl_AddProp(pSubCont, szDirectXVersionLetter, &v);
  VariantClear(&v);
  V_VT(&v) = VT_BSTR; V_BSTR(&v) = SysAllocString(szDirectXVersionEnglish_v);
  hr = IDxDiagContainerImpl_AddProp(pSubCont, szDirectXVersionEnglish, &v);
  VariantClear(&v);
  V_VT(&v) = VT_BSTR; V_BSTR(&v) = SysAllocString(szDirectXVersionLongEnglish_v);
  hr = IDxDiagContainerImpl_AddProp(pSubCont, szDirectXVersionLongEnglish, &v);
  VariantClear(&v);
  V_VT(&v) = VT_BOOL; V_BOOL(&v) = FALSE;
  hr = IDxDiagContainerImpl_AddProp(pSubCont, bDebug, &v);
  VariantClear(&v);

  return hr;
}

static HRESULT DXDiag_InitDXDiagSystemDevicesContainer(IDxDiagContainer* pSubCont) {
  HRESULT hr = S_OK;
  /*
  static const WCHAR szDescription[] = {'s','z','D','e','s','c','r','i','p','t','i','o','n',0};
  static const WCHAR szDeviceID[] = {'s','z','D','e','v','i','c','e','I','D',0};

  static const WCHAR szDrivers[] = {'s','z','D','r','i','v','e','r','s',0};

  VARIANT v;
  IDxDiagContainer* pDeviceSubCont = NULL;
  IDxDiagContainer* pDriversCont = NULL;

  hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, (void**) &pDeviceSubCont);
  if (FAILED(hr)) { return hr; }
  V_VT(pvarProp) = VT_BSTR; V_BSTR(pvarProp) = SysAllocString(property->psz);
  hr = IDxDiagContainerImpl_AddProp(pDeviceSubCont, szDescription, &v);
  VariantClear(&v);
  V_VT(pvarProp) = VT_BSTR; V_BSTR(pvarProp) = SysAllocString(property->psz);
  hr = IDxDiagContainerImpl_AddProp(pDeviceSubCont, szDeviceID, &v);
  VariantClear(&v);

  hr = IDxDiagContainerImpl_AddChildContainer(pSubCont, "", pDeviceSubCont);
  */

  /*
   * Drivers Cont contains Files Desc Containers
   */
  /*
  hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, (void**) &pDriversCont);
  if (FAILED(hr)) { return hr; }
  hr = IDxDiagContainerImpl_AddChildContainer(pDeviceSubCont, szDrivers, pDriversCont);

  */
  return hr;
}

static HRESULT DXDiag_InitDXDiagLogicalDisksContainer(IDxDiagContainer* pSubCont) {
  HRESULT hr = S_OK;
  /*
  static const WCHAR szDriveLetter[] = {'s','z','D','r','i','v','e','L','e','t','t','e','r',0};
  static const WCHAR szFreeSpace[] = {'s','z','F','r','e','e','S','p','a','c','e',0};
  static const WCHAR szMaxSpace[] = {'s','z','M','a','x','S','p','a','c','e',0};
  static const WCHAR szFileSystem[] = {'s','z','F','i','l','e','S','y','s','t','e','m',0};
  static const WCHAR szModel[] = {'s','z','M','o','d','e','l',0};
  static const WCHAR szPNPDeviceID[] = {'s','z','P','N','P','D','e','v','i','c','e','I','D',0};
  static const WCHAR dwHardDriveIndex[] = {'d','w','H','a','r','d','D','r','i','v','e','I','n','d','e','x',0};

  static const WCHAR szDrivers[] = {'s','z','D','r','i','v','e','r','s',0};
 
  VARIANT v;
  IDxDiagContainer* pDiskSubCont = NULL;
  IDxDiagContainer* pDriversCont = NULL;

  hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, (void**) &pDiskSubCont);
  if (FAILED(hr)) { return hr; }
  hr = IDxDiagContainerImpl_AddChildContainer(pSubCont, "" , pDiskSubCont);
  */
  
  /*
   * Drivers Cont contains Files Desc Containers
   */
  /*
  hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, (void**) &pDriversCont);
  if (FAILED(hr)) { return hr; }
  hr = IDxDiagContainerImpl_AddChildContainer(pDeviceSubCont, szDrivers, pDriversCont);
  */
  return hr;
}
static HRESULT DXDiag_InitDXDiagDirectXFilesContainer(IDxDiagContainer* pSubCont) {
  HRESULT hr = S_OK;
  /**/
  static const WCHAR ddraw_dll[] = {'d','d','r','a','w','.','d','l','l',0};
  static const WCHAR dplayx_dll[] = {'d','p','l','a','y','x','.','d','l','l',0};
  static const WCHAR dpnet_dll[] = {'d','p','n','e','t','.','d','l','l',0};
  static const WCHAR dinput_dll[] = {'d','i','n','p','u','t','.','d','l','l',0};
  static const WCHAR dinput8_dll[] = {'d','i','n','p','u','t','8','.','d','l','l',0};
  static const WCHAR dsound_dll[] = {'d','s','o','u','n','d','.','d','l','l',0};
  static const WCHAR dswave_dll[] = {'d','s','w','a','v','e','.','d','l','l',0};
  static const WCHAR d3d8_dll[] = {'d','3','d','8','.','d','l','l',0};
  static const WCHAR d3d9_dll[] = {'d','3','d','9','.','d','l','l',0};
  static const WCHAR dmband_dll[] = {'d','m','b','a','n','d','.','d','l','l',0};
  static const WCHAR dmcompos_dll[] = {'d','m','c','o','m','p','o','s','.','d','l','l',0};
  static const WCHAR dmime_dll[] =  {'d','m','i','m','e','.','d','l','l',0};
  static const WCHAR dmloader_dll[] = {'d','m','l','o','a','d','e','r','.','d','l','l',0};
  static const WCHAR dmscript_dll[] = {'d','m','s','c','r','i','p','t','.','d','l','l',0};
  static const WCHAR dmstyle_dll[] = {'d','m','s','t','y','l','e','.','d','l','l',0};
  static const WCHAR dmsynth_dll[] = {'d','m','s','y','n','t','h','.','d','l','l',0};
  static const WCHAR dmusic_dll[] = {'d','m','u','s','i','c','.','d','l','l',0};
  static const WCHAR devenum_dll[] = {'d','e','v','e','n','u','m','.','d','l','l',0};
  static const WCHAR quartz_dll[] = {'q','u','a','r','t','z','.','d','l','l',0};
  WCHAR szFilePath[512];

  hr = GetSystemDirectoryW(szFilePath, MAX_PATH);
  if (FAILED(hr)) { return hr; }  
  szFilePath[MAX_PATH-1]=0;     

  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, ddraw_dll);
  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, dplayx_dll);
  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, dpnet_dll);
  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, dinput_dll);
  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, dinput8_dll);
  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, dsound_dll);
  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, dswave_dll);
  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, d3d8_dll);
  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, d3d9_dll);
  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, dmband_dll);
  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, dmcompos_dll);
  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, dmime_dll);
  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, dmloader_dll);
  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, dmscript_dll);
  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, dmstyle_dll);
  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, dmsynth_dll);
  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, dmusic_dll);
  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, devenum_dll);
  hr = DXDiag_AddFileDescContainer(pSubCont, szFilePath, quartz_dll);
  return hr;
}

static HRESULT DXDiag_InitDXDiagDisplayContainer(IDxDiagContainer* pSubCont)
{
    static const WCHAR szDescription[] = {'s','z','D','e','s','c','r','i','p','t','i','o','n',0};
    static const WCHAR szDeviceName[] = {'s','z','D','e','v','i','c','e','N','a','m','e',0};
    static const WCHAR szKeyDeviceID[] = {'s','z','K','e','y','D','e','v','i','c','e','I','D',0};
    static const WCHAR szKeyDeviceKey[] = {'s','z','K','e','y','D','e','v','i','c','e','K','e','y',0};
    static const WCHAR szVendorId[] = {'s','z','V','e','n','d','o','r','I','d',0};
    static const WCHAR szDeviceId[] = {'s','z','D','e','v','i','c','e','I','d',0};
    static const WCHAR dwWidth[] = {'d','w','W','i','d','t','h',0};
    static const WCHAR dwHeight[] = {'d','w','H','e','i','g','h','t',0};
    static const WCHAR dwBpp[] = {'d','w','B','p','p',0};
    static const WCHAR szDisplayMemoryLocalized[] = {'s','z','D','i','s','p','l','a','y','M','e','m','o','r','y','L','o','c','a','l','i','z','e','d',0};
    static const WCHAR szDisplayMemoryEnglish[] = {'s','z','D','i','s','p','l','a','y','M','e','m','o','r','y','E','n','g','l','i','s','h',0};

    static const WCHAR szAdapterID[] = {'0',0};
    static const WCHAR szEmpty[] = {0};

    HRESULT                 hr;
    IDxDiagContainer       *pDisplayAdapterSubCont = NULL;

    IDirectDraw7           *pDirectDraw;
    DDSCAPS2                dd_caps;
    DISPLAY_DEVICEW         disp_dev;
    DDSURFACEDESC2          surface_descr;
    DWORD                   tmp;
    WCHAR                   buffer[256];

    hr = DXDiag_CreateDXDiagContainer( &IID_IDxDiagContainer, (void**) &pDisplayAdapterSubCont );
    if (FAILED( hr )) return hr;
    hr = IDxDiagContainerImpl_AddChildContainer( pSubCont, szAdapterID, pDisplayAdapterSubCont );
    if (FAILED( hr )) return hr;

    if (EnumDisplayDevicesW( NULL, 0, &disp_dev, 0 ))
    {
        add_prop_str( pDisplayAdapterSubCont, szDeviceName, disp_dev.DeviceName );
        add_prop_str( pDisplayAdapterSubCont, szDescription, disp_dev.DeviceString );
    }

    hr = DirectDrawCreateEx( NULL, (LPVOID *)&pDirectDraw, &IID_IDirectDraw7, NULL);
    if (FAILED( hr )) return hr;

    dd_caps.dwCaps = DDSCAPS_LOCALVIDMEM | DDSCAPS_VIDEOMEMORY;
    dd_caps.dwCaps2 = dd_caps.dwCaps3 = dd_caps.dwCaps4 = 0;
    hr = IDirectDraw7_GetAvailableVidMem( pDirectDraw, &dd_caps, &tmp, NULL );
    if (SUCCEEDED(hr))
    {
        static const WCHAR mem_fmt[] = {'%','.','1','f',' ','M','B',0};

        snprintfW( buffer, sizeof(buffer), mem_fmt, ((float)tmp) / 1000000.0 );
        add_prop_str( pDisplayAdapterSubCont, szDisplayMemoryLocalized, buffer );
        add_prop_str( pDisplayAdapterSubCont, szDisplayMemoryEnglish, buffer );
    }

    surface_descr.dwSize = sizeof(surface_descr);
    hr = IDirectDraw7_GetDisplayMode( pDirectDraw, &surface_descr );
    if (SUCCEEDED(hr))
    {
        if (surface_descr.dwFlags & DDSD_WIDTH)
            add_prop_ui4( pDisplayAdapterSubCont, dwWidth, surface_descr.dwWidth );
        if (surface_descr.dwFlags & DDSD_HEIGHT)
            add_prop_ui4( pDisplayAdapterSubCont, dwHeight, surface_descr.dwHeight );
        if (surface_descr.dwFlags & DDSD_PIXELFORMAT)
            add_prop_ui4( pDisplayAdapterSubCont, dwBpp, surface_descr.u4.ddpfPixelFormat.u1.dwRGBBitCount );
    }

    add_prop_str( pDisplayAdapterSubCont, szVendorId, szEmpty );
    add_prop_str( pDisplayAdapterSubCont, szDeviceId, szEmpty );
    add_prop_str( pDisplayAdapterSubCont, szKeyDeviceKey, szEmpty );
    add_prop_str( pDisplayAdapterSubCont, szKeyDeviceID, szEmpty );

    IUnknown_Release( pDirectDraw );
    return hr;
}

static HRESULT DXDiag_InitDXDiagDirectSoundContainer(IDxDiagContainer* pSubCont) {
  HRESULT hr = S_OK;
  static const WCHAR DxDiag_SoundDevices[] = {'D','x','D','i','a','g','_','S','o','u','n','d','D','e','v','i','c','e','s',0};
  static const WCHAR DxDiag_SoundCaptureDevices[] = {'D','x','D','i','a','g','_','S','o','u','n','d','C','a','p','t','u','r','e','D','e','v','i','c','e','s',0};
  IDxDiagContainer* pSubSubCont = NULL;

  hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, (void**) &pSubSubCont);
  if (FAILED(hr)) { return hr; }
  hr = IDxDiagContainerImpl_AddChildContainer(pSubCont, DxDiag_SoundDevices, pSubSubCont);

  hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, (void**) &pSubSubCont);
  if (FAILED(hr)) { return hr; }
  hr = IDxDiagContainerImpl_AddChildContainer(pSubCont, DxDiag_SoundCaptureDevices, pSubSubCont);

  return hr;
}

static HRESULT DXDiag_InitDXDiagDirectMusicContainer(IDxDiagContainer* pSubCont) {
  HRESULT hr = S_OK;
  return hr;
}

static HRESULT DXDiag_InitDXDiagDirectInputContainer(IDxDiagContainer* pSubCont) {
  HRESULT hr = S_OK;
  return hr;
}

static HRESULT DXDiag_InitDXDiagDirectPlayContainer(IDxDiagContainer* pSubCont) {
  HRESULT hr = S_OK;
  return hr;
}

struct REG_RF {
  DWORD dwVersion;
  DWORD dwMerit;
  DWORD dwPins;
  DWORD dwUnused;
};
struct REG_RFP {
  BYTE signature[4]; /* e.g. "0pi3" */
  DWORD dwFlags;
  DWORD dwInstances;
  DWORD dwMediaTypes;
  DWORD dwMediums;
  DWORD bCategory; /* is there a category clsid? */
  /* optional: dwOffsetCategoryClsid */
};
struct REG_TYPE {
  BYTE signature[4]; /* e.g. "0ty3" */
  DWORD dwUnused;
  DWORD dwOffsetMajor;
  DWORD dwOffsetMinor;
};

static HRESULT DXDiag_InitDXDiagDirectShowFiltersContainer(IDxDiagContainer* pSubCont) {
  HRESULT hr = S_OK;
  static const WCHAR szName[] = {'s','z','N','a','m','e',0};
  static const WCHAR szCatName[] = {'s','z','C','a','t','N','a','m','e',0};
  static const WCHAR szClsidCat[] = {'s','z','C','l','s','i','d','C','a','t',0};
  static const WCHAR szClsidFilter[] = {'s','z','C','l','s','i','d','F','i','l','t','e','r',0};
  static const WCHAR dwInputs[] = {'d','w','I','n','p','u','t','s',0};
  static const WCHAR dwOutputs[] = {'d','w','O','u','t','p','u','t','s',0};
  static const WCHAR dwMerit[] = {'d','w','M','e','r','i','t',0};
  /*
  static const WCHAR szFileName[] = {'s','z','F','i','l','e','N','a','m','e',0};
  static const WCHAR szFileVersion[] = {'s','z','F','i','l','e','V','e','r','s','i','o','n',0};
  */
  VARIANT v;

  static const WCHAR wszClsidName[] = {'C','L','S','I','D',0};
  static const WCHAR wszFriendlyName[] = {'F','r','i','e','n','d','l','y','N','a','m','e',0};  
  static const WCHAR wszFilterDataName[] = {'F','i','l','t','e','r','D','a','t','a',0};
  /*static const WCHAR wszMeritName[] = {'M','e','r','i','t',0};*/

  ICreateDevEnum* pCreateDevEnum = NULL;
  IEnumMoniker* pEmCat = NULL;
  IMoniker* pMCat = NULL;
  /** */
  hr = CoCreateInstance(&CLSID_SystemDeviceEnum, 
                  NULL, 
                  CLSCTX_INPROC_SERVER,
                  &IID_ICreateDevEnum, 
                  (void**) &pCreateDevEnum);
  if (FAILED(hr)) return hr; 
  
  hr = ICreateDevEnum_CreateClassEnumerator(pCreateDevEnum, &CLSID_ActiveMovieCategories, &pEmCat, 0);
  if (FAILED(hr)) goto out_show_filters; 

  VariantInit(&v);

  while (S_OK == IEnumMoniker_Next(pEmCat, 1, &pMCat, NULL)) {
    IPropertyBag* pPropBag = NULL;
    CLSID clsidCat; 
    hr = IMoniker_BindToStorage(pMCat, NULL, NULL, &IID_IPropertyBag, (void**) &pPropBag);
    if (SUCCEEDED(hr)) {
      WCHAR* wszCatName = NULL;
      WCHAR* wszCatClsid = NULL;

      hr = IPropertyBag_Read(pPropBag, wszFriendlyName, &v, 0);
      wszCatName = SysAllocString(V_BSTR(&v));
      VariantClear(&v);

      hr = IPropertyBag_Read(pPropBag, wszClsidName, &v, 0);
      wszCatClsid = SysAllocString(V_BSTR(&v));
      hr = CLSIDFromString(V_UNION(&v, bstrVal), &clsidCat);
      VariantClear(&v);

      /*
      hr = IPropertyBag_Read(pPropBag, wszMeritName, &v, 0);
      hr = IDxDiagContainerImpl_AddProp(pSubCont, dwMerit, &v);
      VariantClear(&v);
      */

      if (SUCCEEDED(hr)) {
      IEnumMoniker* pEnum = NULL;
      IMoniker* pMoniker = NULL;
        hr = ICreateDevEnum_CreateClassEnumerator(pCreateDevEnum, &clsidCat, &pEnum, 0);        
        FIXME("\tClassEnumerator for clsid(%s) pEnum(%p)\n", debugstr_guid(&clsidCat), pEnum);
        if (FAILED(hr) || pEnum == NULL) {
          goto class_enum_failed;
        }
        while (NULL != pEnum && S_OK == IEnumMoniker_Next(pEnum, 1, &pMoniker, NULL)) {          
        IPropertyBag* pPropFilterBag = NULL;
          FIXME("\tIEnumMoniker_Next(%p, 1, %p)\n", pEnum, pMoniker);
        hr = IMoniker_BindToStorage(pMoniker, NULL, NULL, &IID_IPropertyBag, (void**) &pPropFilterBag);
        if (SUCCEEDED(hr)) {
          LPBYTE pData = NULL;
          LPBYTE pCurrent = NULL;
          struct REG_RF* prrf = NULL;
          VARIANT v_data;
          DWORD it;
          DWORD dwNOutputs = 0;
          DWORD dwNInputs = 0;
                
          V_VT(&v) = VT_BSTR; V_BSTR(&v) = SysAllocString(wszCatName);
          hr = IDxDiagContainerImpl_AddProp(pSubCont, szCatName, &v);
          VariantClear(&v);

          V_VT(&v) = VT_BSTR; V_BSTR(&v) = SysAllocString(wszCatClsid);
          hr = IDxDiagContainerImpl_AddProp(pSubCont, szClsidCat, &v);
          VariantClear(&v);

          hr = IPropertyBag_Read(pPropFilterBag, wszFriendlyName, &v, 0);
          hr = IDxDiagContainerImpl_AddProp(pSubCont, szName, &v);
          FIXME("\tName:%s\n", debugstr_w(V_BSTR(&v)));
          VariantClear(&v);

          hr = IPropertyBag_Read(pPropFilterBag, wszClsidName, &v, 0);
          FIXME("\tClsid:%s\n", debugstr_w(V_BSTR(&v)));
          hr = IDxDiagContainerImpl_AddProp(pSubCont, szClsidFilter, &v);
          VariantClear(&v);

          hr = IPropertyBag_Read(pPropFilterBag, wszFilterDataName, &v, NULL);
          hr = SafeArrayAccessData(V_UNION(&v, parray), (LPVOID*) &pData);        
          prrf = (struct REG_RF*) pData;
          pCurrent = pData;
 
          VariantInit(&v_data);
          V_VT(&v_data) = VT_UI4; V_UI4(&v_data) = prrf->dwVersion;
          hr = IDxDiagContainerImpl_AddProp(pSubCont, szName, &v_data);
          VariantClear(&v_data);
          V_VT(&v_data) = VT_UI4; V_UI4(&v_data) = prrf->dwMerit;
          hr = IDxDiagContainerImpl_AddProp(pSubCont, dwMerit, &v_data);
          VariantClear(&v_data);

          pCurrent += sizeof(struct REG_RF);
          for (it = 0; it < prrf->dwPins; ++it) {
            struct REG_RFP* prrfp = (struct REG_RFP*) pCurrent;
            UINT j;

            if (prrfp->dwFlags & REG_PINFLAG_B_OUTPUT) ++dwNOutputs;
            else ++dwNInputs;

            pCurrent += sizeof(struct REG_RFP);
            if (prrfp->bCategory) {
            pCurrent += sizeof(DWORD);
            }
            for (j = 0; j < prrfp->dwMediaTypes; ++j) {
                struct REG_TYPE* prt = (struct REG_TYPE *)pCurrent;
                pCurrent += sizeof(*prt);
            }
            for (j = 0; j < prrfp->dwMediums; ++j) {
            DWORD dwOffset = *(DWORD*) pCurrent;
            pCurrent += sizeof(dwOffset);
            }
          }

          V_VT(&v_data) = VT_UI4; V_UI4(&v_data) = dwNInputs;
          hr = IDxDiagContainerImpl_AddProp(pSubCont, dwInputs, &v_data);
          VariantClear(&v_data);
          V_VT(&v_data) = VT_UI4; V_UI4(&v_data) = dwNOutputs;
          hr = IDxDiagContainerImpl_AddProp(pSubCont, dwOutputs, &v_data);
          VariantClear(&v_data);

          SafeArrayUnaccessData(V_UNION(&v, parray));
          VariantClear(&v);
        }
        IPropertyBag_Release(pPropFilterBag); pPropFilterBag = NULL;
      }
      IEnumMoniker_Release(pEnum); pEnum = NULL;
      }
class_enum_failed:      
      SysFreeString(wszCatName);
      SysFreeString(wszCatClsid);
      IPropertyBag_Release(pPropBag); pPropBag = NULL;
    }
    IEnumMoniker_Release(pMCat); pMCat = NULL;
  }

out_show_filters:
  if (NULL != pEmCat) { IEnumMoniker_Release(pEmCat); pEmCat = NULL; }
  if (NULL != pCreateDevEnum) { ICreateDevEnum_Release(pCreateDevEnum); pCreateDevEnum = NULL; }
  return hr;
}

HRESULT DXDiag_InitRootDXDiagContainer(IDxDiagContainer* pRootCont) {
  HRESULT hr = S_OK;
  static const WCHAR DxDiag_SystemInfo[] = {'D','x','D','i','a','g','_','S','y','s','t','e','m','I','n','f','o',0};
  static const WCHAR DxDiag_SystemDevices[] = {'D','x','D','i','a','g','_','S','y','s','t','e','m','D','e','v','i','c','e','s',0};
  static const WCHAR DxDiag_LogicalDisks[] = {'D','x','D','i','a','g','_','L','o','g','i','c','a','l','D','i','s','k','s',0};
  static const WCHAR DxDiag_DirectXFiles[] = {'D','x','D','i','a','g','_','D','i','r','e','c','t','X','F','i','l','e','s',0};
  static const WCHAR DxDiag_DisplayDevices[] = {'D','x','D','i','a','g','_','D','i','s','p','l','a','y','D','e','v','i','c','e','s',0};
  static const WCHAR DxDiag_DirectSound[] = {'D','x','D','i','a','g','_','D','i','r','e','c','t','S','o','u','n','d',0};
  static const WCHAR DxDiag_DirectMusic[] = {'D','x','D','i','a','g','_','D','i','r','e','c','t','M','u','s','i','c',0};
  static const WCHAR DxDiag_DirectInput[] = {'D','x','D','i','a','g','_','D','i','r','e','c','t','I','n','p','u','t',0};
  static const WCHAR DxDiag_DirectPlay[] = {'D','x','D','i','a','g','_','D','i','r','e','c','t','P','l','a','y',0};
  static const WCHAR DxDiag_DirectShowFilters[] = {'D','x','D','i','a','g','_','D','i','r','e','c','t','S','h','o','w','F','i','l','t','e','r','s',0};
  IDxDiagContainer* pSubCont = NULL;
  
  TRACE("(%p)\n", pRootCont);

  hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, (void**) &pSubCont);
  if (FAILED(hr)) { return hr; }
  hr = DXDiag_InitDXDiagSystemInfoContainer(pSubCont);
  hr = IDxDiagContainerImpl_AddChildContainer(pRootCont, DxDiag_SystemInfo, pSubCont);

  hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, (void**) &pSubCont);
  if (FAILED(hr)) { return hr; }
  hr = DXDiag_InitDXDiagSystemDevicesContainer(pSubCont);
  hr = IDxDiagContainerImpl_AddChildContainer(pRootCont, DxDiag_SystemDevices, pSubCont);

  hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, (void**) &pSubCont);
  if (FAILED(hr)) { return hr; }
  hr = DXDiag_InitDXDiagLogicalDisksContainer(pSubCont);
  hr = IDxDiagContainerImpl_AddChildContainer(pRootCont, DxDiag_LogicalDisks, pSubCont);

  hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, (void**) &pSubCont);
  if (FAILED(hr)) { return hr; }
  hr = DXDiag_InitDXDiagDirectXFilesContainer(pSubCont);
  hr = IDxDiagContainerImpl_AddChildContainer(pRootCont, DxDiag_DirectXFiles, pSubCont);

  hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, (void**) &pSubCont);
  if (FAILED(hr)) { return hr; }
  hr = DXDiag_InitDXDiagDisplayContainer(pSubCont);
  hr = IDxDiagContainerImpl_AddChildContainer(pRootCont, DxDiag_DisplayDevices, pSubCont);

  hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, (void**) &pSubCont);
  if (FAILED(hr)) { return hr; }
  hr = DXDiag_InitDXDiagDirectSoundContainer(pSubCont);
  hr = IDxDiagContainerImpl_AddChildContainer(pRootCont, DxDiag_DirectSound, pSubCont);

  hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, (void**) &pSubCont);
  if (FAILED(hr)) { return hr; }
  hr = DXDiag_InitDXDiagDirectMusicContainer(pSubCont);
  hr = IDxDiagContainerImpl_AddChildContainer(pRootCont, DxDiag_DirectMusic, pSubCont);

  hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, (void**) &pSubCont);
  if (FAILED(hr)) { return hr; }
  hr = DXDiag_InitDXDiagDirectInputContainer(pSubCont);
  hr = IDxDiagContainerImpl_AddChildContainer(pRootCont, DxDiag_DirectInput, pSubCont);

  hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, (void**) &pSubCont);
  if (FAILED(hr)) { return hr; }
  hr = DXDiag_InitDXDiagDirectPlayContainer(pSubCont);
  hr = IDxDiagContainerImpl_AddChildContainer(pRootCont, DxDiag_DirectPlay, pSubCont);

  hr = DXDiag_CreateDXDiagContainer(&IID_IDxDiagContainer, (void**) &pSubCont);
  if (FAILED(hr)) { return hr; }
  hr = DXDiag_InitDXDiagDirectShowFiltersContainer(pSubCont);
  hr = IDxDiagContainerImpl_AddChildContainer(pRootCont, DxDiag_DirectShowFilters, pSubCont);

  return hr;
}

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