PWINE_ACMLOCALDRIVERINST MSACM_OpenLocalDriver(PWINE_ACMLOCALDRIVER paldrv, LPARAM lParam2)
{
PWINE_ACMLOCALDRIVERINST pDrvInst;
pDrvInst = HeapAlloc(MSACM_hHeap, 0, sizeof(WINE_ACMLOCALDRIVERINST));
if (!pDrvInst)
return NULL;
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)
{
ERR("load1 failed\n");
/* If MSACM_CloseLocalDriver returns TRUE,
* then pDrvInst has been freed
*/
if (!MSACM_CloseLocalDriver(pDrvInst))
goto exit;
return NULL;
}
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;
}
/***********************************************************************
* acmDriverClose (MSACM32.@)
*/
MMRESULT WINAPI acmDriverClose(HACMDRIVER had, DWORD fdwClose)
{
PWINE_ACMDRIVER pad;
PWINE_ACMDRIVERID padid;
PWINE_ACMDRIVER* tpad;
TRACE("(%p, %08x)\n", had, fdwClose);
if (fdwClose) {
WARN("invalid flag\n");
return MMSYSERR_INVALFLAG;
}
pad = MSACM_GetDriver(had);
if (!pad) {
WARN("invalid handle\n");
return MMSYSERR_INVALHANDLE;
}
padid = pad->obj.pACMDriverID;
/* remove driver from list */
for (tpad = &(padid->pACMDriverList); *tpad; tpad = &((*tpad)->pNextACMDriver)) {
if (*tpad == pad) {
*tpad = (*tpad)->pNextACMDriver;
break;
}
}
/* close driver if it has been opened */
if (pad->hDrvr && !pad->pLocalDrvrInst)
CloseDriver(pad->hDrvr, 0, 0);
else if (pad->pLocalDrvrInst)
MSACM_CloseLocalDriver(pad->pLocalDrvrInst);
pad->obj.dwType = 0;
HeapFree(MSACM_hHeap, 0, pad);
return MMSYSERR_NOERROR;
}
