wine/dlls/msacm32/driver.c

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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* MSACM32 library
*
* Copyright 1998 Patrik Stridvall
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* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
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#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
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#include <stdio.h>
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "wingdi.h"
#include "winuser.h"
#include "winnls.h"
#include "winreg.h"
#include "mmsystem.h"
#include "mmreg.h"
#include "msacm.h"
#include "msacmdrv.h"
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#include "wineacm.h"
#include "wine/debug.h"
#include "wine/unicode.h"
WINE_DEFAULT_DEBUG_CHANNEL(msacm);
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/***********************************************************************
* acmDriverAddA (MSACM32.@)
*/
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MMRESULT WINAPI acmDriverAddA(PHACMDRIVERID phadid, HINSTANCE hinstModule,
LPARAM lParam, DWORD dwPriority, DWORD fdwAdd)
{
MMRESULT resultW;
WCHAR * driverW = NULL;
LPARAM lParamW = lParam;
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TRACE("(%p, %p, %08lx, %08lx, %08lx)\n",
phadid, hinstModule, lParam, dwPriority, fdwAdd);
if (!phadid) {
WARN("invalid parameter\n");
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return MMSYSERR_INVALPARAM;
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}
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/* Check if any unknown flags */
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if (fdwAdd &
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~(ACM_DRIVERADDF_FUNCTION|ACM_DRIVERADDF_NOTIFYHWND|
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ACM_DRIVERADDF_GLOBAL)) {
WARN("invalid flag\n");
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return MMSYSERR_INVALFLAG;
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}
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/* Check if any incompatible flags */
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if ((fdwAdd & ACM_DRIVERADDF_FUNCTION) &&
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(fdwAdd & ACM_DRIVERADDF_NOTIFYHWND)) {
WARN("invalid flag\n");
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return MMSYSERR_INVALFLAG;
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}
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/* A->W translation of name */
if ((fdwAdd & ACM_DRIVERADDF_TYPEMASK) == ACM_DRIVERADDF_NAME) {
unsigned long len;
if (lParam == 0) return MMSYSERR_INVALPARAM;
len = MultiByteToWideChar(CP_ACP, 0, (LPSTR)lParam, -1, NULL, 0);
driverW = HeapAlloc(MSACM_hHeap, 0, len * sizeof(WCHAR));
if (!driverW) return MMSYSERR_NOMEM;
MultiByteToWideChar(CP_ACP, 0, (LPSTR)lParam, -1, driverW, len);
lParamW = (LPARAM)driverW;
}
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resultW = acmDriverAddW(phadid, hinstModule, lParamW, dwPriority, fdwAdd);
HeapFree(MSACM_hHeap, 0, driverW);
return resultW;
}
/***********************************************************************
* acmDriverAddW (MSACM32.@)
*
*/
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MMRESULT WINAPI acmDriverAddW(PHACMDRIVERID phadid, HINSTANCE hinstModule,
LPARAM lParam, DWORD dwPriority, DWORD fdwAdd)
{
PWINE_ACMLOCALDRIVER pLocalDrv = NULL;
TRACE("(%p, %p, %08lx, %08lx, %08lx)\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%08lx for fdwAdd\n", fdwAdd & ACM_DRIVERADDF_TYPEMASK);
return MMSYSERR_INVALFLAG;
}
MSACM_BroadcastNotification();
return MMSYSERR_NOERROR;
}
/***********************************************************************
* acmDriverClose (MSACM32.@)
*/
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MMRESULT WINAPI acmDriverClose(HACMDRIVER had, DWORD fdwClose)
{
PWINE_ACMDRIVER pad;
PWINE_ACMDRIVERID padid;
PWINE_ACMDRIVER* tpad;
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TRACE("(%p, %08lx)\n", had, fdwClose);
if (fdwClose) {
WARN("invalid flag\n");
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return MMSYSERR_INVALFLAG;
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}
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pad = MSACM_GetDriver(had);
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if (!pad) {
WARN("invalid handle\n");
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return MMSYSERR_INVALHANDLE;
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}
padid = pad->obj.pACMDriverID;
/* remove driver from list */
for (tpad = &(padid->pACMDriverList); *tpad; tpad = &((*tpad)->pNextACMDriver)) {
if (*tpad == pad) {
*tpad = (*tpad)->pNextACMDriver;
break;
}
}
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/* 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);
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HeapFree(MSACM_hHeap, 0, pad);
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return MMSYSERR_NOERROR;
}
/***********************************************************************
* acmDriverDetailsA (MSACM32.@)
*/
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MMRESULT WINAPI acmDriverDetailsA(HACMDRIVERID hadid, PACMDRIVERDETAILSA padd, DWORD fdwDetails)
{
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MMRESULT mmr;
ACMDRIVERDETAILSW addw;
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TRACE("(%p, %p, %08lx)\n", hadid, padd, fdwDetails);
if (!padd) {
WARN("invalid parameter\n");
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return MMSYSERR_INVALPARAM;
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}
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if (padd->cbStruct < 4) {
WARN("invalid parameter\n");
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return MMSYSERR_INVALPARAM;
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}
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addw.cbStruct = sizeof(addw);
mmr = acmDriverDetailsW(hadid, &addw, fdwDetails);
if (mmr == 0) {
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ACMDRIVERDETAILSA padda;
padda.fccType = addw.fccType;
padda.fccComp = addw.fccComp;
padda.wMid = addw.wMid;
padda.wPid = addw.wPid;
padda.vdwACM = addw.vdwACM;
padda.vdwDriver = addw.vdwDriver;
padda.fdwSupport = addw.fdwSupport;
padda.cFormatTags = addw.cFormatTags;
padda.cFilterTags = addw.cFilterTags;
padda.hicon = addw.hicon;
WideCharToMultiByte( CP_ACP, 0, addw.szShortName, -1, padda.szShortName,
sizeof(padda.szShortName), NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, addw.szLongName, -1, padda.szLongName,
sizeof(padda.szLongName), NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, addw.szCopyright, -1, padda.szCopyright,
sizeof(padda.szCopyright), NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, addw.szLicensing, -1, padda.szLicensing,
sizeof(padda.szLicensing), NULL, NULL );
WideCharToMultiByte( CP_ACP, 0, addw.szFeatures, -1, padda.szFeatures,
sizeof(padda.szFeatures), NULL, NULL );
padda.cbStruct = min(padd->cbStruct, sizeof(*padd));
memcpy(padd, &padda, padda.cbStruct);
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}
return mmr;
}
/***********************************************************************
* acmDriverDetailsW (MSACM32.@)
*/
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MMRESULT WINAPI acmDriverDetailsW(HACMDRIVERID hadid, PACMDRIVERDETAILSW padd, DWORD fdwDetails)
{
HACMDRIVER acmDrvr;
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MMRESULT mmr;
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TRACE("(%p, %p, %08lx)\n", hadid, padd, fdwDetails);
if (!padd) {
WARN("invalid parameter\n");
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return MMSYSERR_INVALPARAM;
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}
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if (padd->cbStruct < 4) {
WARN("invalid parameter\n");
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return MMSYSERR_INVALPARAM;
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}
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if (fdwDetails) {
WARN("invalid flag\n");
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return MMSYSERR_INVALFLAG;
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}
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mmr = acmDriverOpen(&acmDrvr, hadid, 0);
if (mmr == MMSYSERR_NOERROR) {
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ACMDRIVERDETAILSW paddw;
paddw.cbStruct = sizeof(paddw);
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mmr = (MMRESULT)MSACM_Message(acmDrvr, ACMDM_DRIVER_DETAILS, (LPARAM)&paddw, 0);
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acmDriverClose(acmDrvr, 0);
paddw.cbStruct = min(padd->cbStruct, sizeof(*padd));
memcpy(padd, &paddw, paddw.cbStruct);
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}
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return mmr;
}
/***********************************************************************
* acmDriverEnum (MSACM32.@)
*/
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MMRESULT WINAPI acmDriverEnum(ACMDRIVERENUMCB fnCallback, DWORD dwInstance, DWORD fdwEnum)
{
PWINE_ACMDRIVERID padid;
DWORD fdwSupport;
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TRACE("(%p, %08lx, %08lx)\n", fnCallback, dwInstance, fdwEnum);
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if (!fnCallback) {
WARN("invalid parameter\n");
return MMSYSERR_INVALPARAM;
}
if (fdwEnum & ~(ACM_DRIVERENUMF_NOLOCAL|ACM_DRIVERENUMF_DISABLED)) {
WARN("invalid flag\n");
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return MMSYSERR_INVALFLAG;
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}
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for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
fdwSupport = padid->fdwSupport;
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if (padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) {
if (fdwEnum & ACM_DRIVERENUMF_DISABLED)
fdwSupport |= ACMDRIVERDETAILS_SUPPORTF_DISABLED;
else
continue;
}
if (!(*fnCallback)((HACMDRIVERID)padid, dwInstance, fdwSupport))
break;
}
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return MMSYSERR_NOERROR;
}
/***********************************************************************
* acmDriverID (MSACM32.@)
*/
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MMRESULT WINAPI acmDriverID(HACMOBJ hao, PHACMDRIVERID phadid, DWORD fdwDriverID)
{
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PWINE_ACMOBJ pao;
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TRACE("(%p, %p, %08lx)\n", hao, phadid, fdwDriverID);
if (fdwDriverID) {
WARN("invalid flag\n");
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return MMSYSERR_INVALFLAG;
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}
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pao = MSACM_GetObj(hao, WINE_ACMOBJ_DONTCARE);
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if (!pao) {
WARN("invalid handle\n");
return MMSYSERR_INVALHANDLE;
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}
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if (!phadid) {
WARN("invalid parameter\n");
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return MMSYSERR_INVALPARAM;
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}
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*phadid = (HACMDRIVERID) pao->pACMDriverID;
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return MMSYSERR_NOERROR;
}
/***********************************************************************
* acmDriverMessage (MSACM32.@)
*
* Note: MSDN documentation (July 2001) is incomplete. This function
* accepts sending messages to an HACMDRIVERID in addition to the
* documented HACMDRIVER. In fact, for DRV_QUERYCONFIGURE and DRV_CONFIGURE,
* this might actually be the required mode of operation.
*
* Note: For DRV_CONFIGURE, msacm supplies its own DRVCONFIGINFO structure
* when the application fails to supply one. Some native drivers depend on
* this and refuse to display unless a valid DRVCONFIGINFO structure is
* built and supplied.
*/
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LRESULT WINAPI acmDriverMessage(HACMDRIVER had, UINT uMsg, LPARAM lParam1, LPARAM lParam2)
{
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TRACE("(%p, %04x, %08lx, %08lx\n", had, uMsg, lParam1, lParam2);
if ((uMsg >= ACMDM_USER && uMsg < ACMDM_RESERVED_LOW) ||
uMsg == ACMDM_DRIVER_ABOUT ||
uMsg == DRV_QUERYCONFIGURE ||
uMsg == DRV_CONFIGURE)
{
PWINE_ACMDRIVERID padid;
LRESULT lResult;
LPDRVCONFIGINFO pConfigInfo = NULL;
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/* Check whether handle is an HACMDRIVERID */
padid = MSACM_GetDriverID((HACMDRIVERID)had);
/* If the message is DRV_CONFIGURE, and the application provides no
DRVCONFIGINFO structure, msacm must supply its own.
*/
if (uMsg == DRV_CONFIGURE && lParam2 == 0) {
LPWSTR pAlias;
/* Get the alias from the HACMDRIVERID */
if (padid) {
pAlias = padid->pszDriverAlias;
if (pAlias == NULL) {
WARN("DRV_CONFIGURE: no alias for this driver, cannot self-supply alias\n");
}
} else {
FIXME("DRV_CONFIGURE: reverse lookup HACMDRIVER -> HACMDRIVERID not implemented\n");
pAlias = NULL;
}
if (pAlias != NULL) {
unsigned int iStructSize = 16;
/* This verification is required because DRVCONFIGINFO is 12 bytes
long, yet native msacm reports a 16-byte structure to codecs.
*/
if (iStructSize < sizeof(DRVCONFIGINFO)) iStructSize = sizeof(DRVCONFIGINFO);
pConfigInfo = HeapAlloc(MSACM_hHeap, 0, iStructSize);
if (!pConfigInfo) {
ERR("OOM while supplying DRVCONFIGINFO for DRV_CONFIGURE, using NULL\n");
} else {
static const WCHAR drivers32[] = {'D','r','i','v','e','r','s','3','2','\0'};
pConfigInfo->dwDCISize = iStructSize;
pConfigInfo->lpszDCISectionName = HeapAlloc(MSACM_hHeap, 0, (strlenW(drivers32) + 1) * sizeof(WCHAR));
if (pConfigInfo->lpszDCISectionName) strcpyW((WCHAR *)pConfigInfo->lpszDCISectionName, drivers32);
pConfigInfo->lpszDCIAliasName = HeapAlloc(MSACM_hHeap, 0, (strlenW(pAlias) + 1) * sizeof(WCHAR));
if (pConfigInfo->lpszDCIAliasName) strcpyW((WCHAR *)pConfigInfo->lpszDCIAliasName, pAlias);
if (pConfigInfo->lpszDCISectionName == NULL || pConfigInfo->lpszDCIAliasName == NULL) {
HeapFree(MSACM_hHeap, 0, (void *)pConfigInfo->lpszDCIAliasName);
HeapFree(MSACM_hHeap, 0, (void *)pConfigInfo->lpszDCISectionName);
HeapFree(MSACM_hHeap, 0, pConfigInfo);
pConfigInfo = NULL;
ERR("OOM while supplying DRVCONFIGINFO for DRV_CONFIGURE, using NULL\n");
}
}
}
lParam2 = (LPARAM)pConfigInfo;
}
if (padid) {
/* Handle is really an HACMDRIVERID, must have an open session to get an HACMDRIVER */
if (padid->pACMDriverList != NULL) {
lResult = MSACM_Message((HACMDRIVER)padid->pACMDriverList, uMsg, lParam1, lParam2);
} else {
MMRESULT mmr = acmDriverOpen(&had, (HACMDRIVERID)padid, 0);
if (mmr != MMSYSERR_NOERROR) {
lResult = MMSYSERR_INVALPARAM;
} else {
lResult = acmDriverMessage(had, uMsg, lParam1, lParam2);
acmDriverClose(had, 0);
}
}
} else {
lResult = MSACM_Message(had, uMsg, lParam1, lParam2);
}
if (pConfigInfo) {
HeapFree(MSACM_hHeap, 0, (void *)pConfigInfo->lpszDCIAliasName);
HeapFree(MSACM_hHeap, 0, (void *)pConfigInfo->lpszDCISectionName);
HeapFree(MSACM_hHeap, 0, pConfigInfo);
}
return lResult;
}
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WARN("invalid parameter\n");
return MMSYSERR_INVALPARAM;
}
/***********************************************************************
* acmDriverOpen (MSACM32.@)
*/
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MMRESULT WINAPI acmDriverOpen(PHACMDRIVER phad, HACMDRIVERID hadid, DWORD fdwOpen)
{
PWINE_ACMDRIVERID padid;
PWINE_ACMDRIVER pad = NULL;
MMRESULT ret;
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TRACE("(%p, %p, %08lu)\n", phad, hadid, fdwOpen);
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if (!phad) {
WARN("invalid parameter\n");
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return MMSYSERR_INVALPARAM;
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}
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if (fdwOpen) {
WARN("invalid flag\n");
return MMSYSERR_INVALFLAG;
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}
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padid = MSACM_GetDriverID(hadid);
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if (!padid) {
WARN("invalid handle\n");
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return MMSYSERR_INVALHANDLE;
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}
pad = HeapAlloc(MSACM_hHeap, 0, sizeof(WINE_ACMDRIVER));
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if (!pad) {
WARN("no memory\n");
return MMSYSERR_NOMEM;
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}
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pad->obj.dwType = WINE_ACMOBJ_DRIVER;
pad->obj.pACMDriverID = padid;
pad->hDrvr = 0;
pad->pLocalDrvrInst = NULL;
if (padid->pLocalDriver == NULL)
{
ACMDRVOPENDESCW adod;
int len;
/* this is not an externally added driver... need to actually load it */
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if (!padid->pszDriverAlias)
{
ret = MMSYSERR_ERROR;
goto gotError;
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}
adod.cbStruct = sizeof(adod);
adod.fccType = ACMDRIVERDETAILS_FCCTYPE_AUDIOCODEC;
adod.fccComp = ACMDRIVERDETAILS_FCCCOMP_UNDEFINED;
adod.dwVersion = acmGetVersion();
adod.dwFlags = fdwOpen;
adod.dwError = 0;
len = strlen("Drivers32") + 1;
adod.pszSectionName = HeapAlloc(MSACM_hHeap, 0, len * sizeof(WCHAR));
MultiByteToWideChar(CP_ACP, 0, "Drivers32", -1, (LPWSTR)adod.pszSectionName, len);
adod.pszAliasName = padid->pszDriverAlias;
adod.dnDevNode = 0;
pad->hDrvr = OpenDriver(padid->pszDriverAlias, NULL, (DWORD)&adod);
HeapFree(MSACM_hHeap, 0, (LPWSTR)adod.pszSectionName);
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if (!pad->hDrvr)
{
ret = adod.dwError;
goto gotError;
}
}
else
{
ACMDRVOPENDESCW adod;
pad->hDrvr = NULL;
adod.cbStruct = sizeof(adod);
adod.fccType = ACMDRIVERDETAILS_FCCTYPE_AUDIOCODEC;
adod.fccComp = ACMDRIVERDETAILS_FCCCOMP_UNDEFINED;
adod.dwVersion = acmGetVersion();
adod.dwFlags = fdwOpen;
adod.dwError = 0;
adod.pszSectionName = NULL;
adod.pszAliasName = NULL;
adod.dnDevNode = 0;
pad->pLocalDrvrInst = MSACM_OpenLocalDriver(padid->pLocalDriver, (DWORD)&adod);
if (!pad->pLocalDrvrInst)
{
ret = adod.dwError;
goto gotError;
}
}
/* insert new pad at beg of list */
pad->pNextACMDriver = padid->pACMDriverList;
padid->pACMDriverList = pad;
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/* FIXME: Create a WINE_ACMDRIVER32 */
*phad = (HACMDRIVER)pad;
TRACE("'%s' => %p\n", debugstr_w(padid->pszDriverAlias), pad);
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return MMSYSERR_NOERROR;
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gotError:
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WARN("failed: ret = %08x\n", ret);
if (pad && !pad->hDrvr)
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HeapFree(MSACM_hHeap, 0, pad);
return ret;
}
/***********************************************************************
* acmDriverPriority (MSACM32.@)
*/
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MMRESULT WINAPI acmDriverPriority(HACMDRIVERID hadid, DWORD dwPriority, DWORD fdwPriority)
{
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TRACE("(%p, %08lx, %08lx)\n", hadid, dwPriority, fdwPriority);
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/* Check for unknown flags */
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if (fdwPriority &
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~(ACM_DRIVERPRIORITYF_ENABLE|ACM_DRIVERPRIORITYF_DISABLE|
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ACM_DRIVERPRIORITYF_BEGIN|ACM_DRIVERPRIORITYF_END)) {
WARN("invalid flag\n");
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return MMSYSERR_INVALFLAG;
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}
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/* Check for incompatible flags */
if ((fdwPriority & ACM_DRIVERPRIORITYF_ENABLE) &&
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(fdwPriority & ACM_DRIVERPRIORITYF_DISABLE)) {
WARN("invalid flag\n");
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return MMSYSERR_INVALFLAG;
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}
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/* Check for incompatible flags */
if ((fdwPriority & ACM_DRIVERPRIORITYF_BEGIN) &&
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(fdwPriority & ACM_DRIVERPRIORITYF_END)) {
WARN("invalid flag\n");
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return MMSYSERR_INVALFLAG;
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}
/* 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 != -1) {
FIXME("unexpected priority %ld, using sign only\n", dwPriority);
if (dwPriority < 0) dwPriority = -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 == -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;
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}
}
/***********************************************************************
* acmDriverRemove (MSACM32.@)
*/
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MMRESULT WINAPI acmDriverRemove(HACMDRIVERID hadid, DWORD fdwRemove)
{
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PWINE_ACMDRIVERID padid;
PWINE_ACMNOTIFYWND panwnd;
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TRACE("(%p, %08lx)\n", hadid, fdwRemove);
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padid = MSACM_GetDriverID(hadid);
panwnd = MSACM_GetNotifyWnd(hadid);
if (!padid && !panwnd) {
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WARN("invalid handle\n");
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return MMSYSERR_INVALHANDLE;
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}
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if (fdwRemove) {
WARN("invalid flag\n");
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return MMSYSERR_INVALFLAG;
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}
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if (padid) MSACM_UnregisterDriver(padid);
if (panwnd) MSACM_UnRegisterNotificationWindow(panwnd);
MSACM_BroadcastNotification();
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return MMSYSERR_NOERROR;
}