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Sweden-Number/dlls/winmm/lolvldrv.c

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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* MMSYSTEM low level drivers handling functions
*
* Copyright 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
*/
#include "config.h"
#include "wine/port.h"
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include <assert.h>
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "winemm.h"
#include "wine/debug.h"
#include "wine/exception.h"
WINE_DEFAULT_DEBUG_CHANNEL(winmm);
/* Default set of drivers to be loaded */
#define WINE_DEFAULT_WINMM_DRIVER "alsa,oss,coreaudio,esd"
/* each known type of driver has an instance of this structure */
typedef struct tagWINE_LLTYPE {
/* those attributes depend on the specification of the type */
LPCSTR typestr; /* name (for debugging) */
/* those attributes reflect the loaded/current situation for the type */
UINT wMaxId; /* number of loaded devices (sum across all loaded drivers) */
LPWINE_MLD lpMlds; /* "static" mlds to access the part though device IDs */
int nMapper; /* index to mapper */
} WINE_LLTYPE;
static WINE_LLTYPE llTypes[MMDRV_MAX] = {
{ "Aux", 0, 0, -1 },
{ "Mixer", 0, 0, -1 },
{ "MidiIn", 0, 0, -1 },
{ "MidiOut", 0, 0, -1 },
{ "WaveIn", 0, 0, -1 },
{ "WaveOut", 0, 0, -1 }
};
static int drivers_loaded, MMDrvsHi;
static WINE_MM_DRIVER MMDrvs[8];
static LPWINE_MLD MM_MLDrvs[40];
#define MAX_MM_MLDRVS (sizeof(MM_MLDrvs) / sizeof(MM_MLDrvs[0]))
static void MMDRV_Init(void);
static void MMDRV_InitSingleType(UINT type) {
if (!drivers_loaded) {
drivers_loaded = 1;
MMDRV_Init();
}
}
/**************************************************************************
* MMDRV_GetNum [internal]
*/
UINT MMDRV_GetNum(UINT type)
{
TRACE("(%04x)\n", type);
assert(type < MMDRV_MAX);
MMDRV_InitSingleType(type);
return llTypes[type].wMaxId;
}
/**************************************************************************
* MMDRV_Message [internal]
*/
DWORD MMDRV_Message(LPWINE_MLD mld, UINT wMsg, DWORD_PTR dwParam1,
DWORD_PTR dwParam2)
{
LPWINE_MM_DRIVER lpDrv;
DWORD ret;
WINE_MM_DRIVER_PART* part;
WINE_LLTYPE* llType = &llTypes[mld->type];
TRACE("(%s %d %u 0x%08lx 0x%08lx 0x%08lx)\n",
llTypes[mld->type].typestr, mld->uDeviceID, wMsg,
mld->dwDriverInstance, dwParam1, dwParam2);
if ((UINT16)mld->uDeviceID == (UINT16)-1) {
if (llType->nMapper == -1) {
WARN("uDev=-1 requested on non-mapped ll type %s\n",
llTypes[mld->type].typestr);
return MMSYSERR_BADDEVICEID;
}
} else {
if (mld->uDeviceID >= llType->wMaxId) {
WARN("uDev(%u) requested >= max (%d)\n", mld->uDeviceID, llType->wMaxId);
return MMSYSERR_BADDEVICEID;
}
}
lpDrv = &MMDrvs[mld->mmdIndex];
part = &lpDrv->parts[mld->type];
assert(part->fnMessage32);
TRACE("Calling message(dev=%d msg=%u usr=0x%08lx p1=0x%08lx p2=0x%08lx)\n",
mld->uDeviceID, wMsg, mld->dwDriverInstance, dwParam1, dwParam2);
ret = part->fnMessage32(mld->uDeviceID, wMsg, mld->dwDriverInstance, dwParam1, dwParam2);
TRACE("=> %s\n", WINMM_ErrorToString(ret));
return ret;
}
/**************************************************************************
* MMDRV_Alloc [internal]
*/
LPWINE_MLD MMDRV_Alloc(UINT size, UINT type, LPHANDLE hndl, DWORD* dwFlags,
DWORD_PTR* dwCallback, DWORD_PTR* dwInstance)
{
LPWINE_MLD mld;
UINT_PTR i;
TRACE("(%d, %04x, %p, %p, %p, %p)\n",
size, type, hndl, dwFlags, dwCallback, dwInstance);
mld = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
if (!mld) return NULL;
/* find an empty slot in MM_MLDrvs table */
for (i = 0; i < MAX_MM_MLDRVS; i++) if (!MM_MLDrvs[i]) break;
if (i == MAX_MM_MLDRVS) {
/* the MM_MLDrvs table could be made growable in the future if needed */
ERR("Too many open drivers\n");
HeapFree(GetProcessHeap(), 0, mld);
return NULL;
}
MM_MLDrvs[i] = mld;
*hndl = (HANDLE)(i | 0x8000);
mld->type = type;
if ((UINT_PTR)*hndl < MMDRV_GetNum(type) || ((UINT_PTR)*hndl >> 16)) {
/* FIXME: those conditions must be fulfilled so that:
* - we can distinguish between device IDs and handles
* - we can use handles as 16 or 32 bit entities
*/
ERR("Shouldn't happen. Bad allocation scheme\n");
}
mld->dwFlags = HIWORD(*dwFlags);
mld->dwCallback = *dwCallback;
mld->dwClientInstance = *dwInstance;
return mld;
}
/**************************************************************************
* MMDRV_Free [internal]
*/
void MMDRV_Free(HANDLE hndl, LPWINE_MLD mld)
{
TRACE("(%p, %p)\n", hndl, mld);
if ((UINT_PTR)hndl & 0x8000) {
UINT_PTR idx = (UINT_PTR)hndl & ~0x8000;
if (idx < sizeof(MM_MLDrvs) / sizeof(MM_MLDrvs[0])) {
MM_MLDrvs[idx] = NULL;
HeapFree(GetProcessHeap(), 0, mld);
return;
}
}
ERR("Bad Handle %p at %p (not freed)\n", hndl, mld);
}
/**************************************************************************
* MMDRV_Open [internal]
*/
DWORD MMDRV_Open(LPWINE_MLD mld, UINT wMsg, DWORD_PTR dwParam1, DWORD dwFlags)
{
DWORD dwRet = MMSYSERR_BADDEVICEID;
DWORD_PTR dwInstance;
WINE_LLTYPE* llType = &llTypes[mld->type];
TRACE("(%p, %04x, 0x%08lx, 0x%08x)\n", mld, wMsg, dwParam1, dwFlags);
mld->dwDriverInstance = (DWORD_PTR)&dwInstance;
if (mld->uDeviceID == (UINT)-1 || mld->uDeviceID == (UINT16)-1) {
TRACE("MAPPER mode requested !\n");
if (llType->nMapper == -1) {
WARN("Mapper not supported for type %s\n", llTypes[mld->type].typestr);
return MMSYSERR_BADDEVICEID;
}
mld->mmdIndex = llType->lpMlds[-1].mmdIndex;
TRACE("Setting mmdIndex to %u\n", mld->mmdIndex);
dwRet = MMDRV_Message(mld, wMsg, dwParam1, dwFlags);
} else {
if (mld->uDeviceID < llType->wMaxId) {
mld->mmdIndex = llType->lpMlds[mld->uDeviceID].mmdIndex;
TRACE("Setting mmdIndex to %u\n", mld->mmdIndex);
dwRet = MMDRV_Message(mld, wMsg, dwParam1, dwFlags);
}
}
if (dwRet == MMSYSERR_NOERROR)
mld->dwDriverInstance = dwInstance;
return dwRet;
}
/**************************************************************************
* MMDRV_Close [internal]
*/
DWORD MMDRV_Close(LPWINE_MLD mld, UINT wMsg)
{
TRACE("(%p, %04x)\n", mld, wMsg);
return MMDRV_Message(mld, wMsg, 0L, 0L);
}
/**************************************************************************
* MMDRV_GetByID [internal]
*/
static LPWINE_MLD MMDRV_GetByID(UINT uDevID, UINT type)
{
TRACE("(%04x, %04x)\n", uDevID, type);
if (uDevID < llTypes[type].wMaxId)
return &llTypes[type].lpMlds[uDevID];
if ((uDevID == (UINT16)-1 || uDevID == (UINT)-1) && llTypes[type].nMapper != -1)
return &llTypes[type].lpMlds[-1];
return NULL;
}
/**************************************************************************
* MMDRV_Get [internal]
*/
LPWINE_MLD MMDRV_Get(HANDLE _hndl, UINT type, BOOL bCanBeID)
{
LPWINE_MLD mld = NULL;
UINT_PTR hndl = (UINT_PTR)_hndl;
TRACE("(%p, %04x, %c)\n", _hndl, type, bCanBeID ? 'Y' : 'N');
assert(type < MMDRV_MAX);
MMDRV_InitSingleType(type);
if (hndl >= llTypes[type].wMaxId &&
hndl != (UINT16)-1 && hndl != (UINT)-1) {
if (hndl & 0x8000) {
UINT idx = hndl & ~0x8000;
if (idx < sizeof(MM_MLDrvs) / sizeof(MM_MLDrvs[0])) {
__TRY
{
mld = MM_MLDrvs[idx];
if (mld && mld->type != type) mld = NULL;
}
__EXCEPT_PAGE_FAULT
{
mld = NULL;
}
__ENDTRY;
}
}
}
if (mld == NULL && bCanBeID) {
mld = MMDRV_GetByID(hndl, type);
}
return mld;
}
/**************************************************************************
* MMDRV_GetRelated [internal]
*/
LPWINE_MLD MMDRV_GetRelated(HANDLE hndl, UINT srcType,
BOOL bSrcCanBeID, UINT dstType)
{
LPWINE_MLD mld;
TRACE("(%p, %04x, %c, %04x)\n",
hndl, srcType, bSrcCanBeID ? 'Y' : 'N', dstType);
if ((mld = MMDRV_Get(hndl, srcType, bSrcCanBeID)) != NULL) {
WINE_MM_DRIVER_PART* part = &MMDrvs[mld->mmdIndex].parts[dstType];
if (part->nIDMin < part->nIDMax)
return MMDRV_GetByID(part->nIDMin, dstType);
}
return NULL;
}
/**************************************************************************
* MMDRV_PhysicalFeatures [internal]
*/
UINT MMDRV_PhysicalFeatures(LPWINE_MLD mld, UINT uMsg,
DWORD_PTR dwParam1, DWORD_PTR dwParam2)
{
WINE_MM_DRIVER* lpDrv = &MMDrvs[mld->mmdIndex];
TRACE("(%p, %04x, %08lx, %08lx)\n", mld, uMsg, dwParam1, dwParam2);
/* all those function calls are undocumented */
switch (uMsg) {
case DRV_QUERYDRVENTRY:
lstrcpynA((LPSTR)dwParam1, lpDrv->drvname, LOWORD(dwParam2));
break;
case DRV_QUERYDEVNODE:
*(LPDWORD)dwParam1 = 0L; /* should be DevNode */
break;
case DRV_QUERYNAME:
WARN("NIY QueryName\n");
break;
case DRV_QUERYDRIVERIDS:
WARN("NIY call VxD\n");
/* should call VxD MMDEVLDR with (DevNode, dwParam1 and dwParam2) as pmts
* dwParam1 is buffer and dwParam2 is sizeof(buffer)
* I don't know where the result is stored though
*/
break;
case DRV_QUERYMAPPABLE:
return (lpDrv->bIsMapper) ? 2 : 0;
case DRVM_MAPPER_PREFERRED_GET:
/* FIXME: get from registry someday */
*((LPDWORD)dwParam1) = -1; /* No preferred device */
*((LPDWORD)dwParam2) = 0;
break;
case DRV_QUERYDEVICEINTERFACE:
case DRV_QUERYDEVICEINTERFACESIZE:
return MMDRV_Message(mld, uMsg, dwParam1, dwParam2);
case DRV_QUERYDSOUNDIFACE: /* Wine-specific: Retrieve DirectSound interface */
case DRV_QUERYDSOUNDDESC: /* Wine-specific: Retrieve DirectSound driver description*/
return MMDRV_Message(mld, uMsg, dwParam1, dwParam2);
default:
WARN("Unknown call %04x\n", uMsg);
return MMSYSERR_INVALPARAM;
}
return 0L;
}
/**************************************************************************
* MMDRV_InitPerType [internal]
*/
static BOOL MMDRV_InitPerType(LPWINE_MM_DRIVER lpDrv, UINT type, UINT wMsg)
{
WINE_MM_DRIVER_PART* part = &lpDrv->parts[type];
DWORD ret;
UINT count = 0;
int i, k;
TRACE("(%p, %04x, %04x)\n", lpDrv, type, wMsg);
part->nIDMin = part->nIDMax = 0;
/* for DRVM_INIT and DRVM_ENABLE, dwParam2 should be PnP node */
/* the DRVM_ENABLE is only required when the PnP node is non zero */
if (part->fnMessage32) {
ret = part->fnMessage32(0, DRVM_INIT, 0L, 0L, 0L);
TRACE("DRVM_INIT => %s\n", WINMM_ErrorToString(ret));
#if 0
ret = part->fnMessage32(0, DRVM_ENABLE, 0L, 0L, 0L);
TRACE("DRVM_ENABLE => %08lx\n", ret);
#endif
count = part->fnMessage32(0, wMsg, 0L, 0L, 0L);
}
else return FALSE;
TRACE("Got %u dev for (%s:%s)\n", count, lpDrv->drvname, llTypes[type].typestr);
if (HIWORD(count))
return FALSE;
/* got some drivers */
if (lpDrv->bIsMapper) {
llTypes[type].nMapper = MMDrvsHi;
} else {
if (count == 0)
return FALSE;
part->nIDMin = llTypes[type].wMaxId;
llTypes[type].wMaxId += count;
part->nIDMax = llTypes[type].wMaxId;
}
TRACE("Setting min=%d max=%d (ttop=%d) for (%s:%s)\n",
part->nIDMin, part->nIDMax, llTypes[type].wMaxId,
lpDrv->drvname, llTypes[type].typestr);
/* realloc translation table */
if (llTypes[type].lpMlds)
llTypes[type].lpMlds = (LPWINE_MLD)
HeapReAlloc(GetProcessHeap(), 0, llTypes[type].lpMlds - 1,
sizeof(WINE_MLD) * (llTypes[type].wMaxId + 1)) + 1;
else
llTypes[type].lpMlds = (LPWINE_MLD)
HeapAlloc(GetProcessHeap(), 0,
sizeof(WINE_MLD) * (llTypes[type].wMaxId + 1)) + 1;
/* re-build the translation table */
if (lpDrv->bIsMapper) {
TRACE("%s:Trans[%d] -> %s\n", llTypes[type].typestr, -1, MMDrvs[llTypes[type].nMapper].drvname);
llTypes[type].lpMlds[-1].uDeviceID = (UINT)-1;
llTypes[type].lpMlds[-1].type = type;
llTypes[type].lpMlds[-1].mmdIndex = llTypes[type].nMapper;
llTypes[type].lpMlds[-1].dwDriverInstance = 0;
}
for (i = k = 0; i <= MMDrvsHi; i++) {
while (MMDrvs[i].parts[type].nIDMin <= k && k < MMDrvs[i].parts[type].nIDMax) {
TRACE("%s:Trans[%d] -> %s\n", llTypes[type].typestr, k, MMDrvs[i].drvname);
llTypes[type].lpMlds[k].uDeviceID = k;
llTypes[type].lpMlds[k].type = type;
llTypes[type].lpMlds[k].mmdIndex = i;
llTypes[type].lpMlds[k].dwDriverInstance = 0;
k++;
}
}
return TRUE;
}
/**************************************************************************
* MMDRV_Install [internal]
*/
static BOOL MMDRV_Install(LPCSTR drvRegName, LPCSTR drvFileName, BOOL bIsMapper)
{
int i, count = 0;
LPWINE_MM_DRIVER lpDrv = &MMDrvs[MMDrvsHi];
LPWINE_DRIVER d;
WINEMM_msgFunc32 func;
TRACE("('%s', '%s', mapper=%c);\n", drvRegName, drvFileName, bIsMapper ? 'Y' : 'N');
for (i = 0; i < MMDrvsHi; i++) {
if (!strcmp(drvRegName, MMDrvs[i].drvname)) return FALSE;
}
/* Be sure that size of MMDrvs matches the max number of loadable
* drivers !!
* If not just increase size of MMDrvs
*/
assert(MMDrvsHi <= sizeof(MMDrvs)/sizeof(MMDrvs[0]));
memset(lpDrv, 0, sizeof(*lpDrv));
if (!(lpDrv->hDriver = OpenDriverA(drvFileName, 0, 0))) {
WARN("Couldn't open driver '%s'\n", drvFileName);
return FALSE;
}
d = DRIVER_FindFromHDrvr(lpDrv->hDriver);
/* Then look for xxxMessage functions */
#define AA(_h,_w,_x,_y,_z) \
func = (WINEMM_msgFunc##_y) _z ((_h), #_x); \
if (func != NULL) \
{ lpDrv->parts[_w].fnMessage##_y = func; count++; \
TRACE("Got %d bit func '%s'\n", _y, #_x); }
if (d->hModule) {
#define A(_x,_y) AA(d->hModule,_x,_y,32,GetProcAddress)
A(MMDRV_AUX, auxMessage);
A(MMDRV_MIXER, mxdMessage);
A(MMDRV_MIDIIN, midMessage);
A(MMDRV_MIDIOUT, modMessage);
A(MMDRV_WAVEIN, widMessage);
A(MMDRV_WAVEOUT, wodMessage);
#undef A
}
#undef AA
if (!count) {
CloseDriver(lpDrv->hDriver, 0, 0);
WARN("No message functions found\n");
return FALSE;
}
/* FIXME: being a mapper or not should be known by another way */
/* it's known for NE drvs (the description is of the form '*mapper: *'
* I don't have any clue for PE drvs
*/
lpDrv->bIsMapper = bIsMapper;
lpDrv->drvname = strcpy(HeapAlloc(GetProcessHeap(), 0, strlen(drvRegName) + 1), drvRegName);
/* Finish init and get the count of the devices */
i = 0;
if (MMDRV_InitPerType(lpDrv, MMDRV_AUX, AUXDM_GETNUMDEVS)) i = 1;
if (MMDRV_InitPerType(lpDrv, MMDRV_MIXER, MXDM_GETNUMDEVS)) i = 1;
if (MMDRV_InitPerType(lpDrv, MMDRV_MIDIIN, MIDM_GETNUMDEVS)) i = 1;
if (MMDRV_InitPerType(lpDrv, MMDRV_MIDIOUT, MODM_GETNUMDEVS)) i = 1;
if (MMDRV_InitPerType(lpDrv, MMDRV_WAVEIN, WIDM_GETNUMDEVS)) i = 1;
if (MMDRV_InitPerType(lpDrv, MMDRV_WAVEOUT, WODM_GETNUMDEVS)) i = 1;
/* if all those func calls return FALSE, then the driver must be unloaded */
if (!i) {
CloseDriver(lpDrv->hDriver, 0, 0);
HeapFree(GetProcessHeap(), 0, lpDrv->drvname);
WARN("Driver initialization failed\n");
return FALSE;
}
MMDrvsHi++;
return TRUE;
}
/**************************************************************************
* MMDRV_Init
*/
static void MMDRV_Init(void)
{
HKEY hKey;
char driver_buffer[256];
char *p, *next;
TRACE("()\n");
strcpy(driver_buffer, WINE_DEFAULT_WINMM_DRIVER);
/* @@ Wine registry key: HKCU\Software\Wine\Drivers */
if (!RegOpenKeyA(HKEY_CURRENT_USER, "Software\\Wine\\Drivers", &hKey))
{
DWORD size = sizeof(driver_buffer);
if (RegQueryValueExA(hKey, "Audio", 0, NULL, (BYTE*)driver_buffer, &size))
strcpy(driver_buffer, WINE_DEFAULT_WINMM_DRIVER);
}
for (p = driver_buffer; p; p = next)
{
char filename[sizeof(driver_buffer)+10];
next = strchr(p, ',');
if (next) *next++ = 0;
sprintf( filename, "wine%s.drv", p );
if (MMDRV_Install(filename, filename, FALSE))
break;
p = next;
}
MMDRV_Install("wavemapper", "msacm32.drv", TRUE);
MMDRV_Install("midimapper", "midimap.dll", TRUE);
}
/******************************************************************
* ExitPerType
*
*
*/
static BOOL MMDRV_ExitPerType(LPWINE_MM_DRIVER lpDrv, UINT type)
{
WINE_MM_DRIVER_PART* part = &lpDrv->parts[type];
DWORD ret;
TRACE("(%p, %04x)\n", lpDrv, type);
if (part->fnMessage32) {
#if 0
ret = part->fnMessage32(0, DRVM_DISABLE, 0L, 0L, 0L);
TRACE("DRVM_DISABLE => %08lx\n", ret);
#endif
ret = part->fnMessage32(0, DRVM_EXIT, 0L, 0L, 0L);
TRACE("DRVM_EXIT => %s\n", WINMM_ErrorToString(ret));
}
return TRUE;
}
/******************************************************************
* Exit
*
*
*/
void MMDRV_Exit(void)
{
unsigned int i;
TRACE("()\n");
for (i = 0; i < sizeof(MM_MLDrvs) / sizeof(MM_MLDrvs[0]); i++)
{
if (MM_MLDrvs[i] != NULL)
{
FIXME("Closing while ll-driver open\n");
#if 0
/* FIXME: should generate a message depending on type */
MMDRV_Free((HANDLE)(i | 0x8000), MM_MLDrvs[i]);
#endif
}
}
/* unload driver, in reverse order of loading */
i = sizeof(MMDrvs) / sizeof(MMDrvs[0]);
while (i-- > 0)
{
MMDRV_ExitPerType(&MMDrvs[i], MMDRV_AUX);
MMDRV_ExitPerType(&MMDrvs[i], MMDRV_MIXER);
MMDRV_ExitPerType(&MMDrvs[i], MMDRV_MIDIIN);
MMDRV_ExitPerType(&MMDrvs[i], MMDRV_MIDIOUT);
MMDRV_ExitPerType(&MMDrvs[i], MMDRV_WAVEIN);
MMDRV_ExitPerType(&MMDrvs[i], MMDRV_WAVEOUT);
CloseDriver(MMDrvs[i].hDriver, 0, 0);
}
if (llTypes[MMDRV_AUX].lpMlds)
HeapFree(GetProcessHeap(), 0, llTypes[MMDRV_AUX].lpMlds - 1);
if (llTypes[MMDRV_MIXER].lpMlds)
HeapFree(GetProcessHeap(), 0, llTypes[MMDRV_MIXER].lpMlds - 1);
if (llTypes[MMDRV_MIDIIN].lpMlds)
HeapFree(GetProcessHeap(), 0, llTypes[MMDRV_MIDIIN].lpMlds - 1);
if (llTypes[MMDRV_MIDIOUT].lpMlds)
HeapFree(GetProcessHeap(), 0, llTypes[MMDRV_MIDIOUT].lpMlds - 1);
if (llTypes[MMDRV_WAVEIN].lpMlds)
HeapFree(GetProcessHeap(), 0, llTypes[MMDRV_WAVEIN].lpMlds - 1);
if (llTypes[MMDRV_WAVEOUT].lpMlds)
HeapFree(GetProcessHeap(), 0, llTypes[MMDRV_WAVEOUT].lpMlds - 1);
}
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