/***********************************************************************
* acmDriverRemove (MSACM32.@)
*/
MMRESULT WINAPI acmDriverRemove(HACMDRIVERID hadid, DWORD fdwRemove)
{
PWINE_ACMDRIVERID padid;
PWINE_ACMNOTIFYWND panwnd;
TRACE("(%p, %08x)\n", hadid, fdwRemove);
padid = MSACM_GetDriverID(hadid);
panwnd = MSACM_GetNotifyWnd(hadid);
if (!padid && !panwnd) {
WARN("invalid handle\n");
return MMSYSERR_INVALHANDLE;
}
if (fdwRemove) {
WARN("invalid flag\n");
return MMSYSERR_INVALFLAG;
}
if (padid) MSACM_UnregisterDriver(padid);
if (panwnd) MSACM_UnRegisterNotificationWindow(panwnd);
MSACM_BroadcastNotification();
return MMSYSERR_NOERROR;
}
/***********************************************************************
* MSACM_EnableNotifications()
*/
void MSACM_EnableNotifications(void)
{
if (MSACM_suspendBroadcastCount > 0) {
MSACM_suspendBroadcastCount--;
if (MSACM_suspendBroadcastCount == 0 && MSACM_pendingBroadcast) {
MSACM_pendingBroadcast = FALSE;
MSACM_BroadcastNotification();
}
}
}
/***********************************************************************
* acmDriverAddW (MSACM32.@)
*
*/
MMRESULT WINAPI acmDriverAddW(PHACMDRIVERID phadid, HINSTANCE hinstModule,
LPARAM lParam, DWORD dwPriority, DWORD fdwAdd)
{
PWINE_ACMLOCALDRIVER pLocalDrv = NULL;
TRACE("(%p, %p, %08lx, %08x, %08x)\n",
phadid, hinstModule, lParam, dwPriority, fdwAdd);
if (!phadid) {
WARN("invalid parameter\n");
return MMSYSERR_INVALPARAM;
}
/* Check if any unknown flags */
if (fdwAdd &
~(ACM_DRIVERADDF_FUNCTION|ACM_DRIVERADDF_NOTIFYHWND|
ACM_DRIVERADDF_GLOBAL)) {
WARN("invalid flag\n");
return MMSYSERR_INVALFLAG;
}
/* Check if any incompatible flags */
if ((fdwAdd & ACM_DRIVERADDF_FUNCTION) &&
(fdwAdd & ACM_DRIVERADDF_NOTIFYHWND)) {
WARN("invalid flag\n");
return MMSYSERR_INVALFLAG;
}
switch (fdwAdd & ACM_DRIVERADDF_TYPEMASK) {
case ACM_DRIVERADDF_NAME:
/*
hInstModule (unused)
lParam name of value in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Drivers32
dwPriority (unused, set to 0)
*/
*phadid = (HACMDRIVERID) MSACM_RegisterDriverFromRegistry((LPCWSTR)lParam);
if (!*phadid) {
ERR("Unable to register driver via ACM_DRIVERADDF_NAME\n");
return MMSYSERR_INVALPARAM;
}
break;
case ACM_DRIVERADDF_FUNCTION:
/*
hInstModule Handle of module which contains driver entry proc
lParam Driver function address
dwPriority (unused, set to 0)
*/
fdwAdd &= ~ACM_DRIVERADDF_TYPEMASK;
/* FIXME: fdwAdd ignored */
/* Application-supplied acmDriverProc's are placed at the top of the priority unless
fdwAdd indicates ACM_DRIVERADDF_GLOBAL
*/
pLocalDrv = MSACM_RegisterLocalDriver(hinstModule, (DRIVERPROC)lParam);
*phadid = pLocalDrv ? (HACMDRIVERID) MSACM_RegisterDriver(NULL, NULL, pLocalDrv) : NULL;
if (!*phadid) {
ERR("Unable to register driver via ACM_DRIVERADDF_FUNCTION\n");
return MMSYSERR_INVALPARAM;
}
break;
case ACM_DRIVERADDF_NOTIFYHWND:
/*
hInstModule (unused)
lParam Handle of notification window
dwPriority Window message to send for notification broadcasts
*/
*phadid = (HACMDRIVERID) MSACM_RegisterNotificationWindow((HWND)lParam, dwPriority);
if (!*phadid) {
ERR("Unable to register driver via ACM_DRIVERADDF_NOTIFYHWND\n");
return MMSYSERR_INVALPARAM;
}
break;
default:
ERR("invalid flag value 0x%08x for fdwAdd\n", fdwAdd & ACM_DRIVERADDF_TYPEMASK);
return MMSYSERR_INVALFLAG;
}
MSACM_BroadcastNotification();
return MMSYSERR_NOERROR;
}
/***********************************************************************
* acmDriverPriority (MSACM32.@)
*/
MMRESULT WINAPI acmDriverPriority(HACMDRIVERID hadid, DWORD dwPriority, DWORD fdwPriority)
{
TRACE("(%p, %08x, %08x)\n", hadid, dwPriority, fdwPriority);
/* Check for unknown flags */
if (fdwPriority &
~(ACM_DRIVERPRIORITYF_ENABLE|ACM_DRIVERPRIORITYF_DISABLE|
ACM_DRIVERPRIORITYF_BEGIN|ACM_DRIVERPRIORITYF_END)) {
WARN("invalid flag\n");
return MMSYSERR_INVALFLAG;
}
/* Check for incompatible flags */
if ((fdwPriority & ACM_DRIVERPRIORITYF_ENABLE) &&
(fdwPriority & ACM_DRIVERPRIORITYF_DISABLE)) {
WARN("invalid flag\n");
return MMSYSERR_INVALFLAG;
}
/* Check for incompatible flags */
if ((fdwPriority & ACM_DRIVERPRIORITYF_BEGIN) &&
(fdwPriority & ACM_DRIVERPRIORITYF_END)) {
WARN("invalid flag\n");
return MMSYSERR_INVALFLAG;
}
/* According to MSDN, ACM_DRIVERPRIORITYF_BEGIN and ACM_DRIVERPRIORITYF_END
may only appear by themselves, and in addition, hadid and dwPriority must
both be zero */
if ((fdwPriority & ACM_DRIVERPRIORITYF_BEGIN) ||
(fdwPriority & ACM_DRIVERPRIORITYF_END)) {
if (fdwPriority & ~(ACM_DRIVERPRIORITYF_BEGIN|ACM_DRIVERPRIORITYF_END)) {
WARN("ACM_DRIVERPRIORITYF_[BEGIN|END] cannot be used with any other flags\n");
return MMSYSERR_INVALPARAM;
}
if (dwPriority) {
WARN("priority invalid with ACM_DRIVERPRIORITYF_[BEGIN|END]\n");
return MMSYSERR_INVALPARAM;
}
if (hadid) {
WARN("non-null hadid invalid with ACM_DRIVERPRIORITYF_[BEGIN|END]\n");
return MMSYSERR_INVALPARAM;
}
/* FIXME: MSDN wording suggests that deferred notification should be
implemented as a system-wide lock held by a calling task, and that
re-enabling notifications should broadcast them across all processes.
This implementation uses a simple DWORD counter. One consequence of the
current implementation is that applications will never see
MMSYSERR_ALLOCATED as a return error.
*/
if (fdwPriority & ACM_DRIVERPRIORITYF_BEGIN) {
MSACM_DisableNotifications();
} else if (fdwPriority & ACM_DRIVERPRIORITYF_END) {
MSACM_EnableNotifications();
}
return MMSYSERR_NOERROR;
} else {
PWINE_ACMDRIVERID padid;
PWINE_ACMNOTIFYWND panwnd;
BOOL bPerformBroadcast = FALSE;
/* Fetch driver ID */
padid = MSACM_GetDriverID(hadid);
panwnd = MSACM_GetNotifyWnd(hadid);
if (!padid && !panwnd) {
WARN("invalid handle\n");
return MMSYSERR_INVALHANDLE;
}
if (padid) {
/* Check whether driver ID is appropriate for requested op */
if (dwPriority) {
if (padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_LOCAL) {
return MMSYSERR_NOTSUPPORTED;
}
if (dwPriority != 1 && dwPriority != (DWORD)-1) {
FIXME("unexpected priority %d, using sign only\n", dwPriority);
if ((signed)dwPriority < 0) dwPriority = (DWORD)-1;
if (dwPriority > 0) dwPriority = 1;
}
if (dwPriority == 1 && (padid->pPrevACMDriverID == NULL ||
(padid->pPrevACMDriverID->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_LOCAL))) {
/* do nothing - driver is first of list, or first after last
local driver */
} else if (dwPriority == (DWORD)-1 && padid->pNextACMDriverID == NULL) {
/* do nothing - driver is last of list */
} else {
MSACM_RePositionDriver(padid, dwPriority);
bPerformBroadcast = TRUE;
}
}
/* Check whether driver ID should be enabled or disabled */
if (fdwPriority & ACM_DRIVERPRIORITYF_DISABLE) {
if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED)) {
padid->fdwSupport |= ACMDRIVERDETAILS_SUPPORTF_DISABLED;
bPerformBroadcast = TRUE;
}
} else if (fdwPriority & ACM_DRIVERPRIORITYF_ENABLE) {
if (padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) {
padid->fdwSupport &= ~ACMDRIVERDETAILS_SUPPORTF_DISABLED;
bPerformBroadcast = TRUE;
}
}
}
if (panwnd) {
if (dwPriority) {
return MMSYSERR_NOTSUPPORTED;
}
/* Check whether notify window should be enabled or disabled */
if (fdwPriority & ACM_DRIVERPRIORITYF_DISABLE) {
if (!(panwnd->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED)) {
panwnd->fdwSupport |= ACMDRIVERDETAILS_SUPPORTF_DISABLED;
bPerformBroadcast = TRUE;
}
} else if (fdwPriority & ACM_DRIVERPRIORITYF_ENABLE) {
if (panwnd->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) {
panwnd->fdwSupport &= ~ACMDRIVERDETAILS_SUPPORTF_DISABLED;
bPerformBroadcast = TRUE;
}
}
}
/* Perform broadcast of changes */
if (bPerformBroadcast) {
MSACM_WriteCurrentPriorities();
MSACM_BroadcastNotification();
}
return MMSYSERR_NOERROR;
}
}
