/* -*- tab-width: 8; c-basic-offset: 4 -*- */ /* * MSACM32 library * * Copyright 1998 Patrik Stridvall * 1999 Eric Pouech * * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <stdarg.h> #include <string.h> #include "windef.h" #include "winbase.h" #include "wingdi.h" #include "winuser.h" #include "winerror.h" #include "winreg.h" #include "mmsystem.h" #include "mmreg.h" #include "msacm.h" #include "msacmdrv.h" #include "wineacm.h" #include "wine/debug.h" #include "wine/unicode.h" WINE_DEFAULT_DEBUG_CHANNEL(msacm); /**********************************************************************/ HANDLE MSACM_hHeap = NULL; PWINE_ACMDRIVERID MSACM_pFirstACMDriverID = NULL; PWINE_ACMDRIVERID MSACM_pLastACMDriverID = NULL; #if 0 /*********************************************************************** * MSACM_DumpCache */ static void MSACM_DumpCache(PWINE_ACMDRIVERID padid) { unsigned i; TRACE("cFilterTags=%lu cFormatTags=%lu fdwSupport=%08lx\n", padid->cFilterTags, padid->cFormatTags, padid->fdwSupport); for (i = 0; i < padid->cache->cFormatTags; i++) { TRACE("\tdwFormatTag=%lu cbwfx=%lu\n", padid->aFormatTag[i].dwFormatTag, padid->aFormatTag[i].cbwfx); } } #endif /*********************************************************************** * MSACM_FindFormatTagInCache [internal] * * Returns TRUE is the format tag fmtTag is present in the cache. * If so, idx is set to its index. */ BOOL MSACM_FindFormatTagInCache(WINE_ACMDRIVERID* padid, DWORD fmtTag, LPDWORD idx) { unsigned i; for (i = 0; i < padid->cFormatTags; i++) { if (padid->aFormatTag[i].dwFormatTag == fmtTag) { if (idx) *idx = i; return TRUE; } } return FALSE; } /*********************************************************************** * MSACM_FillCache */ static BOOL MSACM_FillCache(PWINE_ACMDRIVERID padid) { HACMDRIVER had = 0; int ntag; ACMDRIVERDETAILSW add; ACMFORMATTAGDETAILSW aftd; if (acmDriverOpen(&had, (HACMDRIVERID)padid, 0) != 0) return FALSE; padid->aFormatTag = NULL; add.cbStruct = sizeof(add); if (MSACM_Message(had, ACMDM_DRIVER_DETAILS, (LPARAM)&add, 0)) goto errCleanUp; if (add.cFormatTags > 0) { padid->aFormatTag = HeapAlloc(MSACM_hHeap, HEAP_ZERO_MEMORY, add.cFormatTags * sizeof(padid->aFormatTag[0])); if (!padid->aFormatTag) goto errCleanUp; } padid->cFormatTags = add.cFormatTags; padid->cFilterTags = add.cFilterTags; padid->fdwSupport = add.fdwSupport; aftd.cbStruct = sizeof(aftd); for (ntag = 0; ntag < add.cFormatTags; ntag++) { aftd.dwFormatTagIndex = ntag; if (MSACM_Message(had, ACMDM_FORMATTAG_DETAILS, (LPARAM)&aftd, ACM_FORMATTAGDETAILSF_INDEX)) { TRACE("IIOs (%s)\n", debugstr_w(padid->pszDriverAlias)); goto errCleanUp; } padid->aFormatTag[ntag].dwFormatTag = aftd.dwFormatTag; padid->aFormatTag[ntag].cbwfx = aftd.cbFormatSize; } acmDriverClose(had, 0); return TRUE; errCleanUp: if (had) acmDriverClose(had, 0); HeapFree(MSACM_hHeap, 0, padid->aFormatTag); padid->aFormatTag = NULL; return FALSE; } /*********************************************************************** * MSACM_GetRegistryKey */ static LPWSTR MSACM_GetRegistryKey(const WINE_ACMDRIVERID* padid) { static const WCHAR baseKey[] = {'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\', 'A','u','d','i','o','C','o','m','p','r','e','s','s','i','o','n','M','a','n','a','g','e','r','\\', 'D','r','i','v','e','r','C','a','c','h','e','\\','\0'}; LPWSTR ret; int len; if (!padid->pszDriverAlias) { ERR("No alias needed for registry entry\n"); return NULL; } len = strlenW(baseKey); ret = HeapAlloc(MSACM_hHeap, 0, (len + strlenW(padid->pszDriverAlias) + 1) * sizeof(WCHAR)); if (!ret) return NULL; strcpyW(ret, baseKey); strcpyW(ret + len, padid->pszDriverAlias); CharLowerW(ret + len); return ret; } /*********************************************************************** * MSACM_ReadCache */ static BOOL MSACM_ReadCache(PWINE_ACMDRIVERID padid) { LPWSTR key = MSACM_GetRegistryKey(padid); HKEY hKey; DWORD type, size; if (!key) return FALSE; padid->aFormatTag = NULL; if (RegCreateKeyW(HKEY_LOCAL_MACHINE, key, &hKey)) goto errCleanUp; size = sizeof(padid->cFormatTags); if (RegQueryValueExA(hKey, "cFormatTags", 0, &type, (void*)&padid->cFormatTags, &size)) goto errCleanUp; size = sizeof(padid->cFilterTags); if (RegQueryValueExA(hKey, "cFilterTags", 0, &type, (void*)&padid->cFilterTags, &size)) goto errCleanUp; size = sizeof(padid->fdwSupport); if (RegQueryValueExA(hKey, "fdwSupport", 0, &type, (void*)&padid->fdwSupport, &size)) goto errCleanUp; if (padid->cFormatTags > 0) { size = padid->cFormatTags * sizeof(padid->aFormatTag[0]); padid->aFormatTag = HeapAlloc(MSACM_hHeap, HEAP_ZERO_MEMORY, size); if (!padid->aFormatTag) goto errCleanUp; if (RegQueryValueExA(hKey, "aFormatTagCache", 0, &type, (void*)padid->aFormatTag, &size)) goto errCleanUp; } HeapFree(MSACM_hHeap, 0, key); return TRUE; errCleanUp: HeapFree(MSACM_hHeap, 0, key); HeapFree(MSACM_hHeap, 0, padid->aFormatTag); padid->aFormatTag = NULL; RegCloseKey(hKey); return FALSE; } /*********************************************************************** * MSACM_WriteCache */ static BOOL MSACM_WriteCache(PWINE_ACMDRIVERID padid) { LPWSTR key = MSACM_GetRegistryKey(padid); HKEY hKey; if (!key) return FALSE; if (RegCreateKeyW(HKEY_LOCAL_MACHINE, key, &hKey)) goto errCleanUp; if (RegSetValueExA(hKey, "cFormatTags", 0, REG_DWORD, (void*)&padid->cFormatTags, sizeof(DWORD))) goto errCleanUp; if (RegSetValueExA(hKey, "cFilterTags", 0, REG_DWORD, (void*)&padid->cFilterTags, sizeof(DWORD))) goto errCleanUp; if (RegSetValueExA(hKey, "fdwSupport", 0, REG_DWORD, (void*)&padid->fdwSupport, sizeof(DWORD))) goto errCleanUp; if (RegSetValueExA(hKey, "aFormatTagCache", 0, REG_BINARY, (void*)padid->aFormatTag, padid->cFormatTags * sizeof(padid->aFormatTag[0]))) goto errCleanUp; HeapFree(MSACM_hHeap, 0, key); return TRUE; errCleanUp: HeapFree(MSACM_hHeap, 0, key); return FALSE; } /*********************************************************************** * MSACM_RegisterDriver() */ PWINE_ACMDRIVERID MSACM_RegisterDriver(LPCWSTR pszDriverAlias, LPCWSTR pszFileName, HINSTANCE hinstModule) { PWINE_ACMDRIVERID padid; TRACE("(%s, %s, %p)\n", debugstr_w(pszDriverAlias), debugstr_w(pszFileName), hinstModule); padid = (PWINE_ACMDRIVERID) HeapAlloc(MSACM_hHeap, 0, sizeof(WINE_ACMDRIVERID)); padid->obj.dwType = WINE_ACMOBJ_DRIVERID; padid->obj.pACMDriverID = padid; padid->pszDriverAlias = NULL; if (pszDriverAlias) { padid->pszDriverAlias = HeapAlloc( MSACM_hHeap, 0, (strlenW(pszDriverAlias)+1) * sizeof(WCHAR) ); strcpyW( padid->pszDriverAlias, pszDriverAlias ); } padid->pszFileName = NULL; if (pszFileName) { padid->pszFileName = HeapAlloc( MSACM_hHeap, 0, (strlenW(pszFileName)+1) * sizeof(WCHAR) ); strcpyW( padid->pszFileName, pszFileName ); } padid->hInstModule = hinstModule; padid->pACMDriverList = NULL; padid->pNextACMDriverID = NULL; padid->pPrevACMDriverID = MSACM_pLastACMDriverID; if (MSACM_pLastACMDriverID) MSACM_pLastACMDriverID->pNextACMDriverID = padid; MSACM_pLastACMDriverID = padid; if (!MSACM_pFirstACMDriverID) MSACM_pFirstACMDriverID = padid; /* disable the driver if we cannot load the cache */ if (!MSACM_ReadCache(padid) && !MSACM_FillCache(padid)) { WARN("Couldn't load cache for ACM driver (%s)\n", debugstr_w(pszFileName)); MSACM_UnregisterDriver(padid); return NULL; } return padid; } /*********************************************************************** * MSACM_RegisterAllDrivers() */ void MSACM_RegisterAllDrivers(void) { LPWSTR pszBuffer; DWORD dwBufferLength; static const WCHAR msacm32[] = {'m','s','a','c','m','3','2','.','d','l','l','\0'}; static const WCHAR msacmW[] = {'M','S','A','C','M','.'}; static const WCHAR drv32[] = {'d','r','i','v','e','r','s','3','2','\0'}; static const WCHAR sys[] = {'s','y','s','t','e','m','.','i','n','i','\0'}; /* FIXME * What if the user edits system.ini while the program is running? * Does Windows handle that? */ if (MSACM_pFirstACMDriverID) return; /* FIXME: Does not work! How do I determine the section length? */ dwBufferLength = 1024; /* EPP GetPrivateProfileSectionA("drivers32", NULL, 0, "system.ini"); */ pszBuffer = (LPWSTR) HeapAlloc(MSACM_hHeap, 0, dwBufferLength * sizeof(WCHAR)); if (GetPrivateProfileSectionW(drv32, pszBuffer, dwBufferLength, sys)) { LPWSTR s = pszBuffer, s2; while (*s) { CharUpperBuffW(s, 6); if (memcmp(s, msacmW, 6 * sizeof(WCHAR)) == 0) { s2 = s; while (*s2 != '\0' && *s2 != '=') s2++; if (*s2) { *s2 = '\0'; MSACM_RegisterDriver(s, s2 + 1, 0); *s2 = '='; } } s += strlenW(s) + 1; /* Either next char or \0 */ } } HeapFree(MSACM_hHeap, 0, pszBuffer); MSACM_RegisterDriver(msacm32, msacm32, 0); } /*********************************************************************** * MSACM_UnregisterDriver() */ PWINE_ACMDRIVERID MSACM_UnregisterDriver(PWINE_ACMDRIVERID p) { PWINE_ACMDRIVERID pNextACMDriverID; while (p->pACMDriverList) acmDriverClose((HACMDRIVER) p->pACMDriverList, 0); if (p->pszDriverAlias) HeapFree(MSACM_hHeap, 0, p->pszDriverAlias); if (p->pszFileName) 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; HeapFree(MSACM_hHeap, 0, p); return pNextACMDriverID; } /*********************************************************************** * MSACM_UnregisterAllDrivers() */ void MSACM_UnregisterAllDrivers(void) { PWINE_ACMDRIVERID p = MSACM_pFirstACMDriverID; while (p) { MSACM_WriteCache(p); p = MSACM_UnregisterDriver(p); } } /*********************************************************************** * 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_Message() */ MMRESULT MSACM_Message(HACMDRIVER had, UINT uMsg, LPARAM lParam1, LPARAM lParam2) { PWINE_ACMDRIVER pad = MSACM_GetDriver(had); return pad ? SendDriverMessage(pad->hDrvr, uMsg, lParam1, lParam2) : MMSYSERR_INVALHANDLE; }