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415 lines
12 KiB
C
415 lines
12 KiB
C
/* -*- tab-width: 8; c-basic-offset: 4 -*- */
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/*
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* MSACM32 library
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*
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* Copyright 1998 Patrik Stridvall
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* 1999 Eric Pouech
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdarg.h>
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#include <string.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "winerror.h"
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#include "winreg.h"
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#include "mmsystem.h"
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#include "mmreg.h"
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#include "msacm.h"
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#include "msacmdrv.h"
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#include "wineacm.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(msacm);
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/**********************************************************************/
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HANDLE MSACM_hHeap = NULL;
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PWINE_ACMDRIVERID MSACM_pFirstACMDriverID = NULL;
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PWINE_ACMDRIVERID MSACM_pLastACMDriverID = NULL;
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#if 0
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/***********************************************************************
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* MSACM_DumpCache
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*/
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static void MSACM_DumpCache(PWINE_ACMDRIVERID padid)
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{
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unsigned i;
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TRACE("cFilterTags=%lu cFormatTags=%lu fdwSupport=%08lx\n",
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padid->cFilterTags, padid->cFormatTags, padid->fdwSupport);
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for (i = 0; i < padid->cache->cFormatTags; i++) {
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TRACE("\tdwFormatTag=%lu cbwfx=%lu\n",
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padid->aFormatTag[i].dwFormatTag, padid->aFormatTag[i].cbwfx);
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}
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}
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#endif
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/***********************************************************************
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* MSACM_FindFormatTagInCache [internal]
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*
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* Returns TRUE is the format tag fmtTag is present in the cache.
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* If so, idx is set to its index.
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*/
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BOOL MSACM_FindFormatTagInCache(WINE_ACMDRIVERID* padid, DWORD fmtTag, LPDWORD idx)
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{
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unsigned i;
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for (i = 0; i < padid->cFormatTags; i++) {
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if (padid->aFormatTag[i].dwFormatTag == fmtTag) {
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if (idx) *idx = i;
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return TRUE;
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}
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}
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return FALSE;
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}
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/***********************************************************************
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* MSACM_FillCache
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*/
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static BOOL MSACM_FillCache(PWINE_ACMDRIVERID padid)
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{
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HACMDRIVER had = 0;
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int ntag;
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ACMDRIVERDETAILSW add;
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ACMFORMATTAGDETAILSW aftd;
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if (acmDriverOpen(&had, (HACMDRIVERID)padid, 0) != 0)
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return FALSE;
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padid->aFormatTag = NULL;
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add.cbStruct = sizeof(add);
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if (MSACM_Message(had, ACMDM_DRIVER_DETAILS, (LPARAM)&add, 0))
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goto errCleanUp;
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if (add.cFormatTags > 0) {
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padid->aFormatTag = HeapAlloc(MSACM_hHeap, HEAP_ZERO_MEMORY,
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add.cFormatTags * sizeof(padid->aFormatTag[0]));
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if (!padid->aFormatTag) goto errCleanUp;
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}
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padid->cFormatTags = add.cFormatTags;
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padid->cFilterTags = add.cFilterTags;
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padid->fdwSupport = add.fdwSupport;
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aftd.cbStruct = sizeof(aftd);
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for (ntag = 0; ntag < add.cFormatTags; ntag++) {
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aftd.dwFormatTagIndex = ntag;
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if (MSACM_Message(had, ACMDM_FORMATTAG_DETAILS, (LPARAM)&aftd, ACM_FORMATTAGDETAILSF_INDEX)) {
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TRACE("IIOs (%s)\n", debugstr_w(padid->pszDriverAlias));
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goto errCleanUp;
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}
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padid->aFormatTag[ntag].dwFormatTag = aftd.dwFormatTag;
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padid->aFormatTag[ntag].cbwfx = aftd.cbFormatSize;
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}
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acmDriverClose(had, 0);
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return TRUE;
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errCleanUp:
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if (had) acmDriverClose(had, 0);
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HeapFree(MSACM_hHeap, 0, padid->aFormatTag);
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padid->aFormatTag = NULL;
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return FALSE;
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}
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/***********************************************************************
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* MSACM_GetRegistryKey
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*/
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static LPWSTR MSACM_GetRegistryKey(const WINE_ACMDRIVERID* padid)
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{
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static const WCHAR baseKey[] = {'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
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'A','u','d','i','o','C','o','m','p','r','e','s','s','i','o','n','M','a','n','a','g','e','r','\\',
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'D','r','i','v','e','r','C','a','c','h','e','\\','\0'};
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LPWSTR ret;
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int len;
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if (!padid->pszDriverAlias) {
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ERR("No alias needed for registry entry\n");
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return NULL;
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}
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len = strlenW(baseKey);
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ret = HeapAlloc(MSACM_hHeap, 0, (len + strlenW(padid->pszDriverAlias) + 1) * sizeof(WCHAR));
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if (!ret) return NULL;
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strcpyW(ret, baseKey);
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strcpyW(ret + len, padid->pszDriverAlias);
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CharLowerW(ret + len);
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return ret;
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}
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/***********************************************************************
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* MSACM_ReadCache
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*/
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static BOOL MSACM_ReadCache(PWINE_ACMDRIVERID padid)
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{
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LPWSTR key = MSACM_GetRegistryKey(padid);
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HKEY hKey;
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DWORD type, size;
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if (!key) return FALSE;
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padid->aFormatTag = NULL;
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if (RegCreateKeyW(HKEY_LOCAL_MACHINE, key, &hKey))
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goto errCleanUp;
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size = sizeof(padid->cFormatTags);
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if (RegQueryValueExA(hKey, "cFormatTags", 0, &type, (void*)&padid->cFormatTags, &size))
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goto errCleanUp;
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size = sizeof(padid->cFilterTags);
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if (RegQueryValueExA(hKey, "cFilterTags", 0, &type, (void*)&padid->cFilterTags, &size))
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goto errCleanUp;
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size = sizeof(padid->fdwSupport);
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if (RegQueryValueExA(hKey, "fdwSupport", 0, &type, (void*)&padid->fdwSupport, &size))
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goto errCleanUp;
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if (padid->cFormatTags > 0) {
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size = padid->cFormatTags * sizeof(padid->aFormatTag[0]);
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padid->aFormatTag = HeapAlloc(MSACM_hHeap, HEAP_ZERO_MEMORY, size);
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if (!padid->aFormatTag) goto errCleanUp;
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if (RegQueryValueExA(hKey, "aFormatTagCache", 0, &type, (void*)padid->aFormatTag, &size))
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goto errCleanUp;
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}
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HeapFree(MSACM_hHeap, 0, key);
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return TRUE;
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errCleanUp:
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HeapFree(MSACM_hHeap, 0, key);
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HeapFree(MSACM_hHeap, 0, padid->aFormatTag);
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padid->aFormatTag = NULL;
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RegCloseKey(hKey);
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return FALSE;
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}
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/***********************************************************************
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* MSACM_WriteCache
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*/
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static BOOL MSACM_WriteCache(PWINE_ACMDRIVERID padid)
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{
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LPWSTR key = MSACM_GetRegistryKey(padid);
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HKEY hKey;
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if (!key) return FALSE;
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if (RegCreateKeyW(HKEY_LOCAL_MACHINE, key, &hKey))
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goto errCleanUp;
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if (RegSetValueExA(hKey, "cFormatTags", 0, REG_DWORD, (void*)&padid->cFormatTags, sizeof(DWORD)))
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goto errCleanUp;
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if (RegSetValueExA(hKey, "cFilterTags", 0, REG_DWORD, (void*)&padid->cFilterTags, sizeof(DWORD)))
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goto errCleanUp;
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if (RegSetValueExA(hKey, "fdwSupport", 0, REG_DWORD, (void*)&padid->fdwSupport, sizeof(DWORD)))
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goto errCleanUp;
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if (RegSetValueExA(hKey, "aFormatTagCache", 0, REG_BINARY,
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(void*)padid->aFormatTag,
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padid->cFormatTags * sizeof(padid->aFormatTag[0])))
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goto errCleanUp;
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HeapFree(MSACM_hHeap, 0, key);
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return TRUE;
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errCleanUp:
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HeapFree(MSACM_hHeap, 0, key);
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return FALSE;
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}
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/***********************************************************************
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* MSACM_RegisterDriver()
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*/
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PWINE_ACMDRIVERID MSACM_RegisterDriver(LPWSTR pszDriverAlias, LPWSTR pszFileName,
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HINSTANCE hinstModule)
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{
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PWINE_ACMDRIVERID padid;
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TRACE("(%s, %s, %p)\n",
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debugstr_w(pszDriverAlias), debugstr_w(pszFileName), hinstModule);
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padid = (PWINE_ACMDRIVERID) HeapAlloc(MSACM_hHeap, 0, sizeof(WINE_ACMDRIVERID));
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padid->obj.dwType = WINE_ACMOBJ_DRIVERID;
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padid->obj.pACMDriverID = padid;
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padid->pszDriverAlias = NULL;
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if (pszDriverAlias)
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{
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padid->pszDriverAlias = HeapAlloc( MSACM_hHeap, 0, (strlenW(pszDriverAlias)+1) * sizeof(WCHAR) );
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strcpyW( padid->pszDriverAlias, pszDriverAlias );
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}
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padid->pszFileName = NULL;
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if (pszFileName)
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{
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padid->pszFileName = HeapAlloc( MSACM_hHeap, 0, (strlenW(pszFileName)+1) * sizeof(WCHAR) );
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strcpyW( padid->pszFileName, pszFileName );
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}
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padid->hInstModule = hinstModule;
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padid->pACMDriverList = NULL;
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padid->pNextACMDriverID = NULL;
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padid->pPrevACMDriverID = MSACM_pLastACMDriverID;
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if (MSACM_pLastACMDriverID)
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MSACM_pLastACMDriverID->pNextACMDriverID = padid;
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MSACM_pLastACMDriverID = padid;
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if (!MSACM_pFirstACMDriverID)
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MSACM_pFirstACMDriverID = padid;
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/* disable the driver if we cannot load the cache */
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if (!MSACM_ReadCache(padid) && !MSACM_FillCache(padid)) {
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WARN("Couldn't load cache for ACM driver (%s)\n", debugstr_w(pszFileName));
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MSACM_UnregisterDriver(padid);
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return NULL;
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}
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return padid;
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}
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/***********************************************************************
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* MSACM_RegisterAllDrivers()
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*/
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void MSACM_RegisterAllDrivers(void)
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{
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LPWSTR pszBuffer;
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DWORD dwBufferLength;
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static WCHAR msacm32[] = {'m','s','a','c','m','3','2','.','d','l','l','\0'};
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static WCHAR msacmW[] = {'M','S','A','C','M','.'};
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static WCHAR drv32[] = {'d','r','i','v','e','r','s','3','2','\0'};
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static WCHAR sys[] = {'s','y','s','t','e','m','.','i','n','i','\0'};
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/* FIXME
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* What if the user edits system.ini while the program is running?
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* Does Windows handle that?
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*/
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if (MSACM_pFirstACMDriverID)
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return;
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/* FIXME: Does not work! How do I determine the section length? */
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dwBufferLength = 1024;
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/* EPP GetPrivateProfileSectionA("drivers32", NULL, 0, "system.ini"); */
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pszBuffer = (LPWSTR) HeapAlloc(MSACM_hHeap, 0, dwBufferLength * sizeof(WCHAR));
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if (GetPrivateProfileSectionW(drv32, pszBuffer, dwBufferLength, sys))
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{
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LPWSTR s = pszBuffer, s2;
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while (*s)
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{
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CharUpperBuffW(s, 6);
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if (memcmp(s, msacmW, 6 * sizeof(WCHAR)) == 0)
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{
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s2 = s;
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while (*s2 != '\0' && *s2 != '=') s2++;
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if (*s2)
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{
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*s2 = '\0';
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MSACM_RegisterDriver(s, s2 + 1, 0);
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*s2 = '=';
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}
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}
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s += strlenW(s) + 1; /* Either next char or \0 */
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}
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}
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HeapFree(MSACM_hHeap, 0, pszBuffer);
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MSACM_RegisterDriver(msacm32, msacm32, 0);
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}
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/***********************************************************************
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* MSACM_UnregisterDriver()
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*/
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PWINE_ACMDRIVERID MSACM_UnregisterDriver(PWINE_ACMDRIVERID p)
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{
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PWINE_ACMDRIVERID pNextACMDriverID;
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while (p->pACMDriverList)
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acmDriverClose((HACMDRIVER) p->pACMDriverList, 0);
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if (p->pszDriverAlias)
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HeapFree(MSACM_hHeap, 0, p->pszDriverAlias);
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if (p->pszFileName)
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HeapFree(MSACM_hHeap, 0, p->pszFileName);
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HeapFree(MSACM_hHeap, 0, p->aFormatTag);
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if (p == MSACM_pFirstACMDriverID)
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MSACM_pFirstACMDriverID = p->pNextACMDriverID;
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if (p == MSACM_pLastACMDriverID)
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MSACM_pLastACMDriverID = p->pPrevACMDriverID;
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if (p->pPrevACMDriverID)
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p->pPrevACMDriverID->pNextACMDriverID = p->pNextACMDriverID;
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if (p->pNextACMDriverID)
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p->pNextACMDriverID->pPrevACMDriverID = p->pPrevACMDriverID;
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pNextACMDriverID = p->pNextACMDriverID;
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HeapFree(MSACM_hHeap, 0, p);
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return pNextACMDriverID;
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}
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/***********************************************************************
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* MSACM_UnregisterAllDrivers()
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*/
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void MSACM_UnregisterAllDrivers(void)
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{
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PWINE_ACMDRIVERID p = MSACM_pFirstACMDriverID;
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while (p) {
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MSACM_WriteCache(p);
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p = MSACM_UnregisterDriver(p);
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}
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}
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/***********************************************************************
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* MSACM_GetObj()
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*/
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PWINE_ACMOBJ MSACM_GetObj(HACMOBJ hObj, DWORD type)
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{
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PWINE_ACMOBJ pao = (PWINE_ACMOBJ)hObj;
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if (pao == NULL || IsBadReadPtr(pao, sizeof(WINE_ACMOBJ)) ||
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((type != WINE_ACMOBJ_DONTCARE) && (type != pao->dwType)))
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return NULL;
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return pao;
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}
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/***********************************************************************
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* MSACM_GetDriverID()
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*/
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PWINE_ACMDRIVERID MSACM_GetDriverID(HACMDRIVERID hDriverID)
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{
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return (PWINE_ACMDRIVERID)MSACM_GetObj((HACMOBJ)hDriverID, WINE_ACMOBJ_DRIVERID);
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}
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/***********************************************************************
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* MSACM_GetDriver()
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*/
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PWINE_ACMDRIVER MSACM_GetDriver(HACMDRIVER hDriver)
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{
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return (PWINE_ACMDRIVER)MSACM_GetObj((HACMOBJ)hDriver, WINE_ACMOBJ_DRIVER);
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}
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/***********************************************************************
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* MSACM_Message()
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*/
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MMRESULT MSACM_Message(HACMDRIVER had, UINT uMsg, LPARAM lParam1, LPARAM lParam2)
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{
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PWINE_ACMDRIVER pad = MSACM_GetDriver(had);
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return pad ? SendDriverMessage(pad->hDrvr, uMsg, lParam1, lParam2) : MMSYSERR_INVALHANDLE;
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}
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