1069 lines
37 KiB
C
1069 lines
37 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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static DWORD MSACM_suspendBroadcastCount = 0;
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static BOOL MSACM_pendingBroadcast = FALSE;
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static PWINE_ACMNOTIFYWND MSACM_pFirstACMNotifyWnd = NULL;
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static PWINE_ACMNOTIFYWND MSACM_pLastACMNotifyWnd = NULL;
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static void MSACM_ReorderDriversByPriority(void);
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/***********************************************************************
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* MSACM_RegisterDriverFromRegistry()
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*/
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PWINE_ACMDRIVERID MSACM_RegisterDriverFromRegistry(LPCWSTR pszRegEntry)
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{
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static const WCHAR msacmW[] = {'M','S','A','C','M','.'};
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static const WCHAR drvkey[] = {'S','o','f','t','w','a','r','e','\\',
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'M','i','c','r','o','s','o','f','t','\\',
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'W','i','n','d','o','w','s',' ','N','T','\\',
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'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
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'D','r','i','v','e','r','s','3','2','\0'};
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WCHAR buf[2048];
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DWORD bufLen, lRet;
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HKEY hKey;
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PWINE_ACMDRIVERID padid = NULL;
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/* The requested registry entry must have the format msacm.XXXXX in order to
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be recognized in any future sessions of msacm
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*/
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if (0 == strncmpiW(buf, msacmW, sizeof(msacmW)/sizeof(WCHAR))) {
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lRet = RegOpenKeyExW(HKEY_LOCAL_MACHINE, drvkey, 0, KEY_QUERY_VALUE, &hKey);
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if (lRet != ERROR_SUCCESS) {
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WARN("unable to open registry key - 0x%08lx\n", lRet);
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} else {
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bufLen = sizeof(buf);
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lRet = RegQueryValueExW(hKey, pszRegEntry, NULL, NULL, (LPBYTE)buf, &bufLen);
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if (lRet != ERROR_SUCCESS) {
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WARN("unable to query requested subkey %s - 0x%08lx\n", debugstr_w(pszRegEntry), lRet);
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} else {
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MSACM_RegisterDriver(pszRegEntry, buf, 0);
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}
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RegCloseKey( hKey );
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}
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}
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return padid;
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}
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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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unsigned 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(LPCWSTR pszDriverAlias, LPCWSTR pszFileName,
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PWINE_ACMLOCALDRIVER pLocalDriver)
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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), pLocalDriver);
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padid = 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->pLocalDriver = pLocalDriver;
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padid->pACMDriverList = NULL;
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if (pLocalDriver) {
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padid->pPrevACMDriverID = NULL;
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padid->pNextACMDriverID = MSACM_pFirstACMDriverID;
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if (MSACM_pFirstACMDriverID)
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MSACM_pFirstACMDriverID->pPrevACMDriverID = padid;
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MSACM_pFirstACMDriverID = padid;
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if (!MSACM_pLastACMDriverID)
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MSACM_pLastACMDriverID = padid;
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} else {
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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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}
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/* disable the driver if we cannot load the cache */
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if ((!padid->pszDriverAlias || !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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if (pLocalDriver) padid->fdwSupport |= ACMDRIVERDETAILS_SUPPORTF_LOCAL;
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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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static const WCHAR msacm32[] = {'m','s','a','c','m','3','2','.','d','l','l','\0'};
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static const WCHAR msacmW[] = {'M','S','A','C','M','.'};
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static const WCHAR drv32[] = {'d','r','i','v','e','r','s','3','2','\0'};
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static const WCHAR sys[] = {'s','y','s','t','e','m','.','i','n','i','\0'};
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static const WCHAR drvkey[] = {'S','o','f','t','w','a','r','e','\\',
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'M','i','c','r','o','s','o','f','t','\\',
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'W','i','n','d','o','w','s',' ','N','T','\\',
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'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
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'D','r','i','v','e','r','s','3','2','\0'};
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DWORD i, cnt = 0, bufLen, lRet;
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WCHAR buf[2048], *name, *s;
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FILETIME lastWrite;
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HKEY hKey;
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/* FIXME: What if the user edits system.ini while the program is running?
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* Does Windows handle that? */
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if (MSACM_pFirstACMDriverID) return;
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lRet = RegOpenKeyExW(HKEY_LOCAL_MACHINE, drvkey, 0, KEY_QUERY_VALUE, &hKey);
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if (lRet == ERROR_SUCCESS) {
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RegQueryInfoKeyW( hKey, 0, 0, 0, &cnt, 0, 0, 0, 0, 0, 0, 0);
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for (i = 0; i < cnt; i++) {
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bufLen = sizeof(buf) / sizeof(buf[0]);
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lRet = RegEnumKeyExW(hKey, i, buf, &bufLen, 0, 0, 0, &lastWrite);
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if (lRet != ERROR_SUCCESS) continue;
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if (strncmpiW(buf, msacmW, sizeof(msacmW)/sizeof(msacmW[0]))) continue;
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if (!(name = strchrW(buf, '='))) continue;
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*name = 0;
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MSACM_RegisterDriver(buf, name + 1, 0);
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}
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RegCloseKey( hKey );
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}
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if (GetPrivateProfileSectionW(drv32, buf, sizeof(buf)/sizeof(buf[0]), sys))
|
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{
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for(s = buf; *s; s += strlenW(s) + 1)
|
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{
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if (strncmpiW(s, msacmW, sizeof(msacmW)/sizeof(msacmW[0]))) continue;
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if (!(name = strchrW(s, '='))) continue;
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*name = 0;
|
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MSACM_RegisterDriver(s, name + 1, 0);
|
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*name = '=';
|
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}
|
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}
|
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MSACM_ReorderDriversByPriority();
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MSACM_RegisterDriver(msacm32, msacm32, 0);
|
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}
|
|
|
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/***********************************************************************
|
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* MSACM_RegisterNotificationWindow()
|
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*/
|
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PWINE_ACMNOTIFYWND MSACM_RegisterNotificationWindow(HWND hNotifyWnd, DWORD dwNotifyMsg)
|
|
{
|
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PWINE_ACMNOTIFYWND panwnd;
|
|
|
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TRACE("(%p,0x%08lx)\n", hNotifyWnd, dwNotifyMsg);
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|
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panwnd = HeapAlloc(MSACM_hHeap, 0, sizeof(WINE_ACMNOTIFYWND));
|
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panwnd->obj.dwType = WINE_ACMOBJ_NOTIFYWND;
|
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panwnd->obj.pACMDriverID = 0;
|
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panwnd->hNotifyWnd = hNotifyWnd;
|
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panwnd->dwNotifyMsg = dwNotifyMsg;
|
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panwnd->fdwSupport = 0;
|
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|
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panwnd->pNextACMNotifyWnd = NULL;
|
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panwnd->pPrevACMNotifyWnd = MSACM_pLastACMNotifyWnd;
|
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if (MSACM_pLastACMNotifyWnd)
|
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MSACM_pLastACMNotifyWnd->pNextACMNotifyWnd = panwnd;
|
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MSACM_pLastACMNotifyWnd = panwnd;
|
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if (!MSACM_pFirstACMNotifyWnd)
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MSACM_pFirstACMNotifyWnd = panwnd;
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return panwnd;
|
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}
|
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|
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/***********************************************************************
|
|
* MSACM_BroadcastNotification()
|
|
*/
|
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void MSACM_BroadcastNotification(void)
|
|
{
|
|
if (MSACM_suspendBroadcastCount <= 0) {
|
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PWINE_ACMNOTIFYWND panwnd;
|
|
|
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for (panwnd = MSACM_pFirstACMNotifyWnd; panwnd; panwnd = panwnd->pNextACMNotifyWnd)
|
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if (!(panwnd->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED))
|
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SendMessageW(panwnd->hNotifyWnd, panwnd->dwNotifyMsg, 0, 0);
|
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} else {
|
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MSACM_pendingBroadcast = TRUE;
|
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}
|
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}
|
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|
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/***********************************************************************
|
|
* MSACM_DisableNotifications()
|
|
*/
|
|
void MSACM_DisableNotifications(void)
|
|
{
|
|
MSACM_suspendBroadcastCount++;
|
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}
|
|
|
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/***********************************************************************
|
|
* MSACM_EnableNotifications()
|
|
*/
|
|
void MSACM_EnableNotifications(void)
|
|
{
|
|
if (MSACM_suspendBroadcastCount > 0) {
|
|
MSACM_suspendBroadcastCount--;
|
|
if (MSACM_suspendBroadcastCount == 0 && MSACM_pendingBroadcast) {
|
|
MSACM_pendingBroadcast = FALSE;
|
|
MSACM_BroadcastNotification();
|
|
}
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MSACM_UnRegisterNotificationWindow()
|
|
*/
|
|
PWINE_ACMNOTIFYWND MSACM_UnRegisterNotificationWindow(PWINE_ACMNOTIFYWND panwnd)
|
|
{
|
|
PWINE_ACMNOTIFYWND p;
|
|
|
|
for (p = MSACM_pFirstACMNotifyWnd; p; p = p->pNextACMNotifyWnd) {
|
|
if (p == panwnd) {
|
|
PWINE_ACMNOTIFYWND pNext = p->pNextACMNotifyWnd;
|
|
|
|
if (p->pPrevACMNotifyWnd) p->pPrevACMNotifyWnd->pNextACMNotifyWnd = p->pNextACMNotifyWnd;
|
|
if (p->pNextACMNotifyWnd) p->pNextACMNotifyWnd->pPrevACMNotifyWnd = p->pPrevACMNotifyWnd;
|
|
if (MSACM_pFirstACMNotifyWnd == p) MSACM_pFirstACMNotifyWnd = p->pNextACMNotifyWnd;
|
|
if (MSACM_pLastACMNotifyWnd == p) MSACM_pLastACMNotifyWnd = p->pPrevACMNotifyWnd;
|
|
HeapFree(MSACM_hHeap, 0, p);
|
|
|
|
return pNext;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MSACM_RePositionDriver()
|
|
*/
|
|
void MSACM_RePositionDriver(PWINE_ACMDRIVERID padid, DWORD dwPriority)
|
|
{
|
|
PWINE_ACMDRIVERID pTargetPosition = NULL;
|
|
|
|
/* Remove selected driver from linked list */
|
|
if (MSACM_pFirstACMDriverID == padid) {
|
|
MSACM_pFirstACMDriverID = padid->pNextACMDriverID;
|
|
}
|
|
if (MSACM_pLastACMDriverID == padid) {
|
|
MSACM_pLastACMDriverID = padid->pPrevACMDriverID;
|
|
}
|
|
if (padid->pPrevACMDriverID != NULL) {
|
|
padid->pPrevACMDriverID->pNextACMDriverID = padid->pNextACMDriverID;
|
|
}
|
|
if (padid->pNextACMDriverID != NULL) {
|
|
padid->pNextACMDriverID->pPrevACMDriverID = padid->pPrevACMDriverID;
|
|
}
|
|
|
|
/* Look up position where selected driver should be */
|
|
if (dwPriority == 1) {
|
|
pTargetPosition = padid->pPrevACMDriverID;
|
|
while (pTargetPosition->pPrevACMDriverID != NULL &&
|
|
!(pTargetPosition->pPrevACMDriverID->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_LOCAL)) {
|
|
pTargetPosition = pTargetPosition->pPrevACMDriverID;
|
|
}
|
|
} else if (dwPriority == -1) {
|
|
pTargetPosition = padid->pNextACMDriverID;
|
|
while (pTargetPosition->pNextACMDriverID != NULL) {
|
|
pTargetPosition = pTargetPosition->pNextACMDriverID;
|
|
}
|
|
}
|
|
|
|
/* Place selected driver in selected position */
|
|
padid->pPrevACMDriverID = pTargetPosition->pPrevACMDriverID;
|
|
padid->pNextACMDriverID = pTargetPosition;
|
|
if (padid->pPrevACMDriverID != NULL) {
|
|
padid->pPrevACMDriverID->pNextACMDriverID = padid;
|
|
} else {
|
|
MSACM_pFirstACMDriverID = padid;
|
|
}
|
|
if (padid->pNextACMDriverID != NULL) {
|
|
padid->pNextACMDriverID->pPrevACMDriverID = padid;
|
|
} else {
|
|
MSACM_pLastACMDriverID = padid;
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MSACM_ReorderDriversByPriority()
|
|
* Reorders all drivers based on the priority list indicated by the registry key:
|
|
* HKCU\\Software\\Microsoft\\Multimedia\\Audio Compression Manager\\Priority v4.00
|
|
*/
|
|
static void MSACM_ReorderDriversByPriority(void)
|
|
{
|
|
PWINE_ACMDRIVERID padid;
|
|
unsigned int iNumDrivers;
|
|
PWINE_ACMDRIVERID * driverList = NULL;
|
|
HKEY hPriorityKey = NULL;
|
|
|
|
TRACE("\n");
|
|
|
|
/* Count drivers && alloc corresponding memory for list */
|
|
iNumDrivers = 0;
|
|
for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) iNumDrivers++;
|
|
if (iNumDrivers > 1)
|
|
{
|
|
LONG lError;
|
|
static const WCHAR basePriorityKey[] = {
|
|
'S','o','f','t','w','a','r','e','\\',
|
|
'M','i','c','r','o','s','o','f','t','\\',
|
|
'M','u','l','t','i','m','e','d','i','a','\\',
|
|
'A','u','d','i','o',' ','C','o','m','p','r','e','s','s','i','o','n',' ','M','a','n','a','g','e','r','\\',
|
|
'P','r','i','o','r','i','t','y',' ','v','4','.','0','0','\0'
|
|
};
|
|
unsigned int i;
|
|
LONG lBufferLength;
|
|
WCHAR szBuffer[256];
|
|
|
|
driverList = HeapAlloc(MSACM_hHeap, 0, iNumDrivers * sizeof(PWINE_ACMDRIVERID));
|
|
if (!driverList)
|
|
{
|
|
ERR("out of memory\n");
|
|
goto errCleanUp;
|
|
}
|
|
|
|
lError = RegOpenKeyW(HKEY_CURRENT_USER, basePriorityKey, &hPriorityKey);
|
|
if (lError != ERROR_SUCCESS) {
|
|
TRACE("RegOpenKeyW failed, possibly key does not exist yet\n");
|
|
hPriorityKey = NULL;
|
|
goto errCleanUp;
|
|
}
|
|
|
|
/* Copy drivers into list to simplify linked list modification */
|
|
for (i = 0, padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID, i++)
|
|
{
|
|
driverList[i] = padid;
|
|
}
|
|
|
|
/* Query each of the priorities in turn. Alias key is in lowercase.
|
|
The general form of the priority record is the following:
|
|
"PriorityN" --> "1, msacm.driveralias"
|
|
where N is an integer, and the value is a string of the driver
|
|
alias, prefixed by "1, " for an enabled driver, or "0, " for a
|
|
disabled driver.
|
|
*/
|
|
for (i = 0; i < iNumDrivers; i++)
|
|
{
|
|
static const WCHAR priorityTmpl[] = {'P','r','i','o','r','i','t','y','%','l','d','\0'};
|
|
WCHAR szSubKey[17];
|
|
unsigned int iTargetPosition;
|
|
unsigned int iCurrentPosition;
|
|
WCHAR * pAlias;
|
|
static const WCHAR sPrefix[] = {'m','s','a','c','m','.','\0'};
|
|
|
|
/* Build expected entry name */
|
|
snprintfW(szSubKey, 17, priorityTmpl, i + 1);
|
|
lBufferLength = sizeof(szBuffer);
|
|
lError = RegQueryValueExW(hPriorityKey, szSubKey, NULL, NULL, (LPBYTE)szBuffer, (LPDWORD)&lBufferLength);
|
|
if (lError != ERROR_SUCCESS) continue;
|
|
|
|
/* Recovered driver alias should be at this position */
|
|
iTargetPosition = i;
|
|
|
|
/* Locate driver alias in driver list */
|
|
pAlias = strstrW(szBuffer, sPrefix);
|
|
if (pAlias == NULL) continue;
|
|
|
|
for (iCurrentPosition = 0; iCurrentPosition < iNumDrivers; iCurrentPosition++) {
|
|
if (strcmpiW(driverList[iCurrentPosition]->pszDriverAlias, pAlias) == 0)
|
|
break;
|
|
}
|
|
if (iCurrentPosition < iNumDrivers && iTargetPosition != iCurrentPosition) {
|
|
padid = driverList[iTargetPosition];
|
|
driverList[iTargetPosition] = driverList[iCurrentPosition];
|
|
driverList[iCurrentPosition] = padid;
|
|
|
|
/* Locate enabled status */
|
|
if (szBuffer[0] == '1') {
|
|
driverList[iTargetPosition]->fdwSupport &= ~ACMDRIVERDETAILS_SUPPORTF_DISABLED;
|
|
} else if (szBuffer[0] == '0') {
|
|
driverList[iTargetPosition]->fdwSupport |= ACMDRIVERDETAILS_SUPPORTF_DISABLED;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Re-assign pointers so that linked list traverses the ordered array */
|
|
for (i = 0; i < iNumDrivers; i++) {
|
|
driverList[i]->pPrevACMDriverID = (i > 0) ? driverList[i - 1] : NULL;
|
|
driverList[i]->pNextACMDriverID = (i < iNumDrivers - 1) ? driverList[i + 1] : NULL;
|
|
}
|
|
MSACM_pFirstACMDriverID = driverList[0];
|
|
MSACM_pLastACMDriverID = driverList[iNumDrivers - 1];
|
|
}
|
|
|
|
errCleanUp:
|
|
if (hPriorityKey != NULL) RegCloseKey(hPriorityKey);
|
|
HeapFree(MSACM_hHeap, 0, driverList);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MSACM_WriteCurrentPriorities()
|
|
* Writes out current order of driver priorities to registry key:
|
|
* HKCU\\Software\\Microsoft\\Multimedia\\Audio Compression Manager\\Priority v4.00
|
|
*/
|
|
void MSACM_WriteCurrentPriorities(void)
|
|
{
|
|
LONG lError;
|
|
HKEY hPriorityKey;
|
|
static const WCHAR basePriorityKey[] = {
|
|
'S','o','f','t','w','a','r','e','\\',
|
|
'M','i','c','r','o','s','o','f','t','\\',
|
|
'M','u','l','t','i','m','e','d','i','a','\\',
|
|
'A','u','d','i','o',' ','C','o','m','p','r','e','s','s','i','o','n',' ','M','a','n','a','g','e','r','\\',
|
|
'P','r','i','o','r','i','t','y',' ','v','4','.','0','0','\0'
|
|
};
|
|
PWINE_ACMDRIVERID padid;
|
|
DWORD dwPriorityCounter;
|
|
static const WCHAR priorityTmpl[] = {'P','r','i','o','r','i','t','y','%','l','d','\0'};
|
|
static const WCHAR valueTmpl[] = {'%','c',',',' ','%','s','\0'};
|
|
static const WCHAR converterAlias[] = {'I','n','t','e','r','n','a','l',' ','P','C','M',' ','C','o','n','v','e','r','t','e','r','\0'};
|
|
WCHAR szSubKey[17];
|
|
WCHAR szBuffer[256];
|
|
|
|
/* Delete ACM priority key and create it anew */
|
|
lError = RegDeleteKeyW(HKEY_CURRENT_USER, basePriorityKey);
|
|
if (lError != ERROR_SUCCESS && lError != ERROR_FILE_NOT_FOUND) {
|
|
ERR("unable to remove current key %s (0x%08lx) - priority changes won't persist past application end.\n",
|
|
debugstr_w(basePriorityKey), lError);
|
|
return;
|
|
}
|
|
lError = RegCreateKeyW(HKEY_CURRENT_USER, basePriorityKey, &hPriorityKey);
|
|
if (lError != ERROR_SUCCESS) {
|
|
ERR("unable to create key %s (0x%08lx) - priority changes won't persist past application end.\n",
|
|
debugstr_w(basePriorityKey), lError);
|
|
return;
|
|
}
|
|
|
|
/* Write current list of priorities */
|
|
for (dwPriorityCounter = 0, padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
|
|
if (padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_LOCAL) continue;
|
|
if (padid->pszDriverAlias == NULL) continue; /* internal PCM converter is last */
|
|
|
|
/* Build required value name */
|
|
dwPriorityCounter++;
|
|
snprintfW(szSubKey, 17, priorityTmpl, dwPriorityCounter);
|
|
|
|
/* Value has a 1 in front for enabled drivers and 0 for disabled drivers */
|
|
snprintfW(szBuffer, 256, valueTmpl, (padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) ? '0' : '1', padid->pszDriverAlias);
|
|
strlwrW(szBuffer);
|
|
|
|
lError = RegSetValueExW(hPriorityKey, szSubKey, 0, REG_SZ, (BYTE *)szBuffer, (strlenW(szBuffer) + 1) * sizeof(WCHAR));
|
|
if (lError != ERROR_SUCCESS) {
|
|
ERR("unable to write value for %s under key %s (0x%08lx)\n",
|
|
debugstr_w(padid->pszDriverAlias), debugstr_w(basePriorityKey), lError);
|
|
}
|
|
}
|
|
|
|
/* Build required value name */
|
|
dwPriorityCounter++;
|
|
snprintfW(szSubKey, 17, priorityTmpl, dwPriorityCounter);
|
|
|
|
/* Value has a 1 in front for enabled drivers and 0 for disabled drivers */
|
|
snprintfW(szBuffer, 256, valueTmpl, '1', converterAlias);
|
|
|
|
lError = RegSetValueExW(hPriorityKey, szSubKey, 0, REG_SZ, (BYTE *)szBuffer, (strlenW(szBuffer) + 1) * sizeof(WCHAR));
|
|
if (lError != ERROR_SUCCESS) {
|
|
ERR("unable to write value for %s under key %s (0x%08lx)\n",
|
|
debugstr_w(converterAlias), debugstr_w(basePriorityKey), lError);
|
|
}
|
|
RegCloseKey(hPriorityKey);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MSACM_UnregisterDriver()
|
|
*/
|
|
PWINE_ACMDRIVERID MSACM_UnregisterDriver(PWINE_ACMDRIVERID p)
|
|
{
|
|
PWINE_ACMDRIVERID pNextACMDriverID;
|
|
|
|
while (p->pACMDriverList)
|
|
acmDriverClose((HACMDRIVER) p->pACMDriverList, 0);
|
|
|
|
HeapFree(MSACM_hHeap, 0, p->pszDriverAlias);
|
|
HeapFree(MSACM_hHeap, 0, p->pszFileName);
|
|
HeapFree(MSACM_hHeap, 0, p->aFormatTag);
|
|
|
|
if (p == MSACM_pFirstACMDriverID)
|
|
MSACM_pFirstACMDriverID = p->pNextACMDriverID;
|
|
if (p == MSACM_pLastACMDriverID)
|
|
MSACM_pLastACMDriverID = p->pPrevACMDriverID;
|
|
|
|
if (p->pPrevACMDriverID)
|
|
p->pPrevACMDriverID->pNextACMDriverID = p->pNextACMDriverID;
|
|
if (p->pNextACMDriverID)
|
|
p->pNextACMDriverID->pPrevACMDriverID = p->pPrevACMDriverID;
|
|
|
|
pNextACMDriverID = p->pNextACMDriverID;
|
|
|
|
if (p->pLocalDriver) MSACM_UnregisterLocalDriver(p->pLocalDriver);
|
|
HeapFree(MSACM_hHeap, 0, p);
|
|
|
|
return pNextACMDriverID;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MSACM_UnregisterAllDrivers()
|
|
*/
|
|
void MSACM_UnregisterAllDrivers(void)
|
|
{
|
|
PWINE_ACMNOTIFYWND panwnd = MSACM_pFirstACMNotifyWnd;
|
|
PWINE_ACMDRIVERID p = MSACM_pFirstACMDriverID;
|
|
|
|
while (p) {
|
|
MSACM_WriteCache(p);
|
|
p = MSACM_UnregisterDriver(p);
|
|
}
|
|
|
|
while (panwnd) {
|
|
panwnd = MSACM_UnRegisterNotificationWindow(panwnd);
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MSACM_GetObj()
|
|
*/
|
|
PWINE_ACMOBJ MSACM_GetObj(HACMOBJ hObj, DWORD type)
|
|
{
|
|
PWINE_ACMOBJ pao = (PWINE_ACMOBJ)hObj;
|
|
|
|
if (pao == NULL || IsBadReadPtr(pao, sizeof(WINE_ACMOBJ)) ||
|
|
((type != WINE_ACMOBJ_DONTCARE) && (type != pao->dwType)))
|
|
return NULL;
|
|
return pao;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MSACM_GetDriverID()
|
|
*/
|
|
PWINE_ACMDRIVERID MSACM_GetDriverID(HACMDRIVERID hDriverID)
|
|
{
|
|
return (PWINE_ACMDRIVERID)MSACM_GetObj((HACMOBJ)hDriverID, WINE_ACMOBJ_DRIVERID);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MSACM_GetDriver()
|
|
*/
|
|
PWINE_ACMDRIVER MSACM_GetDriver(HACMDRIVER hDriver)
|
|
{
|
|
return (PWINE_ACMDRIVER)MSACM_GetObj((HACMOBJ)hDriver, WINE_ACMOBJ_DRIVER);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MSACM_GetNotifyWnd()
|
|
*/
|
|
PWINE_ACMNOTIFYWND MSACM_GetNotifyWnd(HACMDRIVERID hDriver)
|
|
{
|
|
return (PWINE_ACMNOTIFYWND)MSACM_GetObj((HACMOBJ)hDriver, WINE_ACMOBJ_NOTIFYWND);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* MSACM_GetLocalDriver()
|
|
*/
|
|
/*
|
|
PWINE_ACMLOCALDRIVER MSACM_GetLocalDriver(HACMDRIVER hDriver)
|
|
{
|
|
return (PWINE_ACMLOCALDRIVER)MSACM_GetObj((HACMOBJ)hDriver, WINE_ACMOBJ_LOCALDRIVER);
|
|
}
|
|
*/
|
|
#define MSACM_DRIVER_SendMessage(PDRVRINST, msg, lParam1, lParam2) \
|
|
(PDRVRINST)->pLocalDriver->lpDrvProc((PDRVRINST)->dwDriverID, (HDRVR)(PDRVRINST), msg, lParam1, lParam2)
|
|
|
|
/***********************************************************************
|
|
* MSACM_Message()
|
|
*/
|
|
MMRESULT MSACM_Message(HACMDRIVER had, UINT uMsg, LPARAM lParam1, LPARAM lParam2)
|
|
{
|
|
PWINE_ACMDRIVER pad = MSACM_GetDriver(had);
|
|
|
|
if (!pad) return MMSYSERR_INVALHANDLE;
|
|
if (pad->hDrvr) return SendDriverMessage(pad->hDrvr, uMsg, lParam1, lParam2);
|
|
if (pad->pLocalDrvrInst) return MSACM_DRIVER_SendMessage(pad->pLocalDrvrInst, uMsg, lParam1, lParam2);
|
|
|
|
return MMSYSERR_INVALHANDLE;
|
|
}
|
|
|
|
PWINE_ACMLOCALDRIVER MSACM_pFirstACMLocalDriver = NULL;
|
|
PWINE_ACMLOCALDRIVER MSACM_pLastACMLocalDriver = NULL;
|
|
|
|
PWINE_ACMLOCALDRIVER MSACM_RegisterLocalDriver(HMODULE hModule, DRIVERPROC lpDriverProc)
|
|
{
|
|
PWINE_ACMLOCALDRIVER paldrv;
|
|
|
|
TRACE("(%p, %p)\n", hModule, lpDriverProc);
|
|
if (!hModule || !lpDriverProc) return NULL;
|
|
|
|
/* look up previous instance of local driver module */
|
|
for (paldrv = MSACM_pFirstACMLocalDriver; paldrv; paldrv = paldrv->pNextACMLocalDrv)
|
|
{
|
|
if (paldrv->hModule == hModule && paldrv->lpDrvProc == lpDriverProc) return paldrv;
|
|
}
|
|
|
|
paldrv = HeapAlloc(MSACM_hHeap, 0, sizeof(WINE_ACMLOCALDRIVER));
|
|
paldrv->obj.dwType = WINE_ACMOBJ_LOCALDRIVER;
|
|
paldrv->obj.pACMDriverID = 0;
|
|
paldrv->hModule = hModule;
|
|
paldrv->lpDrvProc = lpDriverProc;
|
|
paldrv->pACMInstList = NULL;
|
|
|
|
paldrv->pNextACMLocalDrv = NULL;
|
|
paldrv->pPrevACMLocalDrv = MSACM_pLastACMLocalDriver;
|
|
if (MSACM_pLastACMLocalDriver)
|
|
MSACM_pLastACMLocalDriver->pNextACMLocalDrv = paldrv;
|
|
MSACM_pLastACMLocalDriver = paldrv;
|
|
if (!MSACM_pFirstACMLocalDriver)
|
|
MSACM_pFirstACMLocalDriver = paldrv;
|
|
|
|
return paldrv;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* MSACM_GetNumberOfModuleRefs [internal]
|
|
*
|
|
* Returns the number of open drivers which share the same module.
|
|
* Inspired from implementation in dlls/winmm/driver.c
|
|
*/
|
|
static unsigned MSACM_GetNumberOfModuleRefs(HMODULE hModule, DRIVERPROC lpDrvProc, WINE_ACMLOCALDRIVERINST ** found)
|
|
{
|
|
PWINE_ACMLOCALDRIVER lpDrv;
|
|
unsigned count = 0;
|
|
|
|
if (found) *found = NULL;
|
|
for (lpDrv = MSACM_pFirstACMLocalDriver; lpDrv; lpDrv = lpDrv->pNextACMLocalDrv)
|
|
{
|
|
if (lpDrv->hModule == hModule && lpDrv->lpDrvProc == lpDrvProc)
|
|
{
|
|
PWINE_ACMLOCALDRIVERINST pInst = lpDrv->pACMInstList;
|
|
|
|
while (pInst) {
|
|
if (found && !*found) *found = pInst;
|
|
count++;
|
|
pInst = pInst->pNextACMInst;
|
|
}
|
|
}
|
|
}
|
|
return count;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* MSACM_RemoveFromList [internal]
|
|
*
|
|
* Generates all the logic to handle driver closure / deletion
|
|
* Removes a driver struct to the list of open drivers.
|
|
*/
|
|
static BOOL MSACM_RemoveFromList(PWINE_ACMLOCALDRIVERINST lpDrv)
|
|
{
|
|
PWINE_ACMLOCALDRIVER pDriverBase = lpDrv->pLocalDriver;
|
|
PWINE_ACMLOCALDRIVERINST pPrevInst;
|
|
|
|
/* last of this driver in list ? */
|
|
if (MSACM_GetNumberOfModuleRefs(pDriverBase->hModule, pDriverBase->lpDrvProc, NULL) == 1) {
|
|
MSACM_DRIVER_SendMessage(lpDrv, DRV_DISABLE, 0L, 0L);
|
|
MSACM_DRIVER_SendMessage(lpDrv, DRV_FREE, 0L, 0L);
|
|
}
|
|
|
|
pPrevInst = NULL;
|
|
if (pDriverBase->pACMInstList != lpDrv) {
|
|
pPrevInst = pDriverBase->pACMInstList;
|
|
while (pPrevInst && pPrevInst->pNextACMInst != lpDrv)
|
|
pPrevInst = pPrevInst->pNextACMInst;
|
|
if (!pPrevInst) {
|
|
ERR("requested to remove invalid instance %p\n", pPrevInst);
|
|
return FALSE;
|
|
}
|
|
}
|
|
if (!pPrevInst) {
|
|
/* first driver instance on list */
|
|
pDriverBase->pACMInstList = lpDrv->pNextACMInst;
|
|
} else {
|
|
pPrevInst->pNextACMInst = lpDrv->pNextACMInst;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/**************************************************************************
|
|
* MSACM_AddToList [internal]
|
|
*
|
|
* Adds a driver struct to the list of open drivers.
|
|
* Generates all the logic to handle driver creation / open.
|
|
*/
|
|
static BOOL MSACM_AddToList(PWINE_ACMLOCALDRIVERINST lpNewDrv, LPARAM lParam2)
|
|
{
|
|
PWINE_ACMLOCALDRIVER pDriverBase = lpNewDrv->pLocalDriver;
|
|
|
|
/* first of this driver in list ? */
|
|
if (MSACM_GetNumberOfModuleRefs(pDriverBase->hModule, pDriverBase->lpDrvProc, NULL) == 0) {
|
|
if (MSACM_DRIVER_SendMessage(lpNewDrv, DRV_LOAD, 0L, 0L) != DRV_SUCCESS) {
|
|
FIXME("DRV_LOAD failed on driver %p\n", lpNewDrv);
|
|
return FALSE;
|
|
}
|
|
/* returned value is not checked */
|
|
MSACM_DRIVER_SendMessage(lpNewDrv, DRV_ENABLE, 0L, 0L);
|
|
}
|
|
|
|
lpNewDrv->pNextACMInst = NULL;
|
|
if (pDriverBase->pACMInstList == NULL) {
|
|
pDriverBase->pACMInstList = lpNewDrv;
|
|
} else {
|
|
PWINE_ACMLOCALDRIVERINST lpDrvInst = pDriverBase->pACMInstList;
|
|
|
|
while (lpDrvInst->pNextACMInst != NULL)
|
|
lpDrvInst = lpDrvInst->pNextACMInst;
|
|
|
|
lpDrvInst->pNextACMInst = lpNewDrv;
|
|
}
|
|
|
|
/* Now just open a new instance of a driver on this module */
|
|
lpNewDrv->dwDriverID = MSACM_DRIVER_SendMessage(lpNewDrv, DRV_OPEN, 0, lParam2);
|
|
|
|
if (lpNewDrv->dwDriverID == 0) {
|
|
FIXME("DRV_OPEN failed on driver %p\n", lpNewDrv);
|
|
MSACM_RemoveFromList(lpNewDrv);
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
PWINE_ACMLOCALDRIVERINST MSACM_OpenLocalDriver(PWINE_ACMLOCALDRIVER paldrv, LPARAM lParam2)
|
|
{
|
|
PWINE_ACMLOCALDRIVERINST pDrvInst;
|
|
|
|
pDrvInst = HeapAlloc(MSACM_hHeap, 0, sizeof(WINE_ACMLOCALDRIVERINST));
|
|
pDrvInst->pLocalDriver = paldrv;
|
|
pDrvInst->dwDriverID = 0;
|
|
pDrvInst->pNextACMInst = NULL;
|
|
pDrvInst->bSession = FALSE;
|
|
|
|
/* Win32 installable drivers must support a two phase opening scheme:
|
|
* + first open with NULL as lParam2 (session instance),
|
|
* + then do a second open with the real non null lParam2)
|
|
*/
|
|
if (MSACM_GetNumberOfModuleRefs(paldrv->hModule, paldrv->lpDrvProc, NULL) == 0 && lParam2)
|
|
{
|
|
PWINE_ACMLOCALDRIVERINST ret;
|
|
|
|
if (!MSACM_AddToList(pDrvInst, 0L))
|
|
{
|
|
ERR("load0 failed\n");
|
|
goto exit;
|
|
}
|
|
ret = MSACM_OpenLocalDriver(paldrv, lParam2);
|
|
if (!ret)
|
|
{
|
|
MSACM_CloseLocalDriver(pDrvInst);
|
|
ERR("load1 failed\n");
|
|
goto exit;
|
|
}
|
|
pDrvInst->bSession = TRUE;
|
|
return ret;
|
|
}
|
|
|
|
if (!MSACM_AddToList(pDrvInst, lParam2))
|
|
{
|
|
ERR("load failed\n");
|
|
goto exit;
|
|
}
|
|
|
|
TRACE("=> %p\n", pDrvInst);
|
|
return pDrvInst;
|
|
exit:
|
|
HeapFree(MSACM_hHeap, 0, pDrvInst);
|
|
return NULL;
|
|
}
|
|
|
|
LRESULT MSACM_CloseLocalDriver(PWINE_ACMLOCALDRIVERINST paldrv)
|
|
{
|
|
if (MSACM_RemoveFromList(paldrv)) {
|
|
PWINE_ACMLOCALDRIVERINST lpDrv0;
|
|
PWINE_ACMLOCALDRIVER pDriverBase = paldrv->pLocalDriver;
|
|
|
|
MSACM_DRIVER_SendMessage(paldrv, DRV_CLOSE, 0, 0);
|
|
paldrv->dwDriverID = 0;
|
|
|
|
if (paldrv->bSession)
|
|
ERR("should not directly close session instance (%p)\n", paldrv);
|
|
|
|
/* if driver has an opened session instance, we have to close it too */
|
|
if (MSACM_GetNumberOfModuleRefs(pDriverBase->hModule, pDriverBase->lpDrvProc, &lpDrv0) == 1 &&
|
|
lpDrv0->bSession)
|
|
{
|
|
MSACM_DRIVER_SendMessage(lpDrv0, DRV_CLOSE, 0L, 0L);
|
|
lpDrv0->dwDriverID = 0;
|
|
MSACM_RemoveFromList(lpDrv0);
|
|
HeapFree(GetProcessHeap(), 0, lpDrv0);
|
|
}
|
|
|
|
HeapFree(MSACM_hHeap, 0, paldrv);
|
|
return TRUE;
|
|
}
|
|
ERR("unable to close driver instance\n");
|
|
return FALSE;
|
|
}
|
|
|
|
PWINE_ACMLOCALDRIVER MSACM_UnregisterLocalDriver(PWINE_ACMLOCALDRIVER paldrv)
|
|
{
|
|
PWINE_ACMLOCALDRIVER pNextACMLocalDriver;
|
|
|
|
if (paldrv->pACMInstList) {
|
|
ERR("local driver instances still present after closing all drivers - memory leak\n");
|
|
return NULL;
|
|
}
|
|
|
|
if (paldrv == MSACM_pFirstACMLocalDriver)
|
|
MSACM_pFirstACMLocalDriver = paldrv->pNextACMLocalDrv;
|
|
if (paldrv == MSACM_pLastACMLocalDriver)
|
|
MSACM_pLastACMLocalDriver = paldrv->pPrevACMLocalDrv;
|
|
|
|
if (paldrv->pPrevACMLocalDrv)
|
|
paldrv->pPrevACMLocalDrv->pNextACMLocalDrv = paldrv->pNextACMLocalDrv;
|
|
if (paldrv->pNextACMLocalDrv)
|
|
paldrv->pNextACMLocalDrv->pPrevACMLocalDrv = paldrv->pPrevACMLocalDrv;
|
|
|
|
pNextACMLocalDriver = paldrv->pNextACMLocalDrv;
|
|
|
|
HeapFree(MSACM_hHeap, 0, paldrv);
|
|
|
|
return pNextACMLocalDriver;
|
|
}
|