📄 message16.c
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case WODM_GETDEVCAPS:
{
LPWAVEOUTCAPS16 woc16 = MapSL(*lpParam1);
LPSTR ptr = (LPSTR)woc16 - sizeof(LPWAVEOUTCAPSW);
LPWAVEOUTCAPSW woc32 = *(LPWAVEOUTCAPSW*)ptr;
woc32->wMid = woc16->wMid;
woc32->wPid = woc16->wPid;
woc32->vDriverVersion = woc16->vDriverVersion;
WideCharToMultiByte( CP_ACP, 0, woc32->szPname, -1, woc16->szPname,
sizeof(woc16->szPname), NULL, NULL );
woc32->dwFormats = woc16->dwFormats;
woc32->wChannels = woc16->wChannels;
woc32->dwSupport = woc16->dwSupport;
UnMapLS( *lpParam1 );
HeapFree( GetProcessHeap(), 0, ptr );
ret = WINMM_MAP_OK;
}
break;
case WODM_GETPITCH:
FIXME("NIY: no conversion yet\n");
ret = WINMM_MAP_MSGERROR;
break;
case WODM_GETPLAYBACKRATE:
FIXME("NIY: no conversion yet\n");
ret = WINMM_MAP_MSGERROR;
break;
case WODM_GETPOS:
{
LPMMTIME16 mmt16 = MapSL(*lpParam1);
LPSTR ptr = (LPSTR)mmt16 - sizeof(LPMMTIME);
LPMMTIME mmt32 = *(LPMMTIME*)ptr;
MMSYSTEM_MMTIME16to32(mmt32, mmt16);
UnMapLS( *lpParam1 );
HeapFree( GetProcessHeap(), 0, ptr );
ret = WINMM_MAP_OK;
}
break;
case WODM_OPEN:
{
LPWAVEOPENDESC16 wod16 = MapSL(*lpParam1);
LPSTR ptr = (LPSTR)wod16 - sizeof(LPWAVEOPENDESC) - 2*sizeof(DWORD);
LPWAVEOPENDESC wod32 = *(LPWAVEOPENDESC*)ptr;
wod32->uMappedDeviceID = wod16->uMappedDeviceID;
**(DWORD**)(ptr + sizeof(LPWAVEOPENDESC)) = *(LPDWORD)(ptr + sizeof(LPWAVEOPENDESC) + sizeof(DWORD));
UnMapLS( *lpParam1 );
HeapFree( GetProcessHeap(), 0, ptr );
ret = WINMM_MAP_OK;
}
break;
case WODM_PREPARE:
case WODM_UNPREPARE:
case WODM_WRITE:
{
LPWAVEHDR wh16 = MapSL(*lpParam1);
LPSTR ptr = (LPSTR)wh16 - sizeof(LPWAVEHDR);
LPWAVEHDR wh32 = *(LPWAVEHDR*)ptr;
assert(wh32->lpNext == wh16);
wh32->dwBytesRecorded = wh16->dwBytesRecorded;
wh32->dwUser = wh16->dwUser;
wh32->dwFlags = wh16->dwFlags;
wh32->dwLoops = wh16->dwLoops;
UnMapLS( *lpParam1 );
if (wMsg == WODM_UNPREPARE && fn_ret == MMSYSERR_NOERROR) {
HeapFree( GetProcessHeap(), 0, ptr );
wh32->lpNext = 0;
}
ret = WINMM_MAP_OK;
}
break;
case WODM_GETVOLUME:
FIXME("NIY: no conversion yet\n");
ret = WINMM_MAP_MSGERROR;
break;
case DRVM_MAPPER_STATUS:
{
UnMapLS( *lpParam2 );
ret = WINMM_MAP_OK;
}
break;
default:
FIXME("NIY: no conversion yet\n");
ret = WINMM_MAP_MSGERROR;
break;
}
return ret;
}
/**************************************************************************
* MMDRV_WaveOut_Callback [internal]
*/
static void CALLBACK MMDRV_WaveOut_Callback(HDRVR hDev, UINT uMsg, DWORD dwInstance, DWORD dwParam1, DWORD dwParam2)
{
LPWINE_MLD mld = (LPWINE_MLD)dwInstance;
switch (uMsg) {
case WOM_OPEN:
case WOM_CLOSE:
/* dwParam1 & dwParam2 are supposed to be 0, nothing to do */
break;
case WOM_DONE:
if (mld->bFrom32 && !MMDRV_Is32(mld->mmdIndex)) {
/* initial map is: 32 => 16 */
LPWAVEHDR wh16 = MapSL(dwParam1);
LPWAVEHDR wh32 = *(LPWAVEHDR*)((LPSTR)wh16 - sizeof(LPWAVEHDR));
dwParam1 = (DWORD)wh32;
wh32->dwFlags = wh16->dwFlags;
} else if (!mld->bFrom32 && MMDRV_Is32(mld->mmdIndex)) {
/* initial map is: 16 => 32 */
LPWAVEHDR wh32 = (LPWAVEHDR)(dwParam1);
SEGPTR segwh16 = *(SEGPTR*)((LPSTR)wh32 - sizeof(LPWAVEHDR));
LPWAVEHDR wh16 = MapSL(segwh16);
dwParam1 = (DWORD)segwh16;
wh16->dwFlags = wh32->dwFlags;
}
/* else { 16 => 16 or 32 => 32, nothing to do, same struct is kept }*/
break;
default:
ERR("Unknown msg %u\n", uMsg);
}
MMDRV_Callback(mld, hDev, uMsg, dwParam1, dwParam2);
}
/* =================================
* M A P P E R S H A N D L I N G
* ================================= */
static LRESULT MMDRV_CallMMDrvFunc16(DWORD fp16, WORD dev, WORD msg, LONG instance,
LONG lp1, LONG lp2)
{
WORD args[8];
DWORD ret;
args[7] = dev;
args[6] = msg;
args[5] = HIWORD(instance);
args[4] = LOWORD(instance);
args[3] = HIWORD(lp1);
args[2] = LOWORD(lp1);
args[1] = HIWORD(lp2);
args[0] = LOWORD(lp2);
WOWCallback16Ex( fp16, WCB16_PASCAL, sizeof(args), args, &ret );
return LOWORD(ret);
}
/**************************************************************************
* MMDRV_GetDescription16 [internal]
*/
static BOOL MMDRV_GetDescription16(const char* fname, char* buf, int buflen)
{
OFSTRUCT ofs;
HFILE hFile;
WORD w;
DWORD dw;
BOOL ret = FALSE;
if ((hFile = OpenFile(fname, &ofs, OF_READ | OF_SHARE_DENY_WRITE)) == HFILE_ERROR) {
ERR("Can't open file %s (builtin driver ?)\n", fname);
return FALSE;
}
#define E(_x) do {TRACE _x;goto theEnd;} while(0)
if (_lread(hFile, &w, 2) != 2) E(("Can't read sig\n"));
if (w != ('Z' * 256 + 'M')) E(("Bad sig %04x\n", w));
if (_llseek(hFile, 0x3C, SEEK_SET) < 0) E(("Can't seek to ext header offset\n"));
if (_lread(hFile, &dw, 4) != 4) E(("Can't read ext header offset\n"));
if (_llseek(hFile, dw + 0x2C, SEEK_SET) < 0) E(("Can't seek to ext header.nr table %lu\n", dw+0x2C));
if (_lread(hFile, &dw, 4) != 4) E(("Can't read nr table offset\n"));
if (_llseek(hFile, dw, SEEK_SET) < 0) E(("Can't seek to nr table %lu\n", dw));
if (_lread(hFile, buf, 1) != 1) E(("Can't read descr length\n"));
buflen = min((int)(unsigned)(BYTE)buf[0], buflen - 1);
if (_lread(hFile, buf, buflen) != buflen) E(("Can't read descr (%d)\n", buflen));
buf[buflen] = '\0';
ret = TRUE;
TRACE("Got '%s' [%d]\n", buf, buflen);
theEnd:
_lclose(hFile);
return ret;
}
/******************************************************************
* MMDRV_LoadMMDrvFunc16
*
*/
unsigned MMDRV_LoadMMDrvFunc16(LPCSTR drvName, LPWINE_DRIVER d,
LPWINE_MM_DRIVER lpDrv)
{
WINEMM_msgFunc16 func;
unsigned count = 0;
char buffer[128];
/*
* DESCRIPTION 'wave,aux,mixer:Creative Labs Sound Blaster 16 Driver'
* The beginning of the module description indicates the driver supports
* waveform, auxiliary, and mixer devices. Use one of the following
* device-type names, followed by a colon (:) to indicate the type of
* device your driver supports. If the driver supports more than one
* type of device, separate each device-type name with a comma (,).
*
* wave for waveform audio devices
* wavemapper for wave mappers
* midi for MIDI audio devices
* midimapper for midi mappers
* aux for auxiliary audio devices
* mixer for mixer devices
*/
if (d->d.d16.hDriver16) {
HMODULE16 hMod16 = GetDriverModuleHandle16(d->d.d16.hDriver16);
#define AA(_h,_w,_x,_y,_z) \
func = (WINEMM_msgFunc##_y) _z ((_h), #_x); \
if (func != NULL) \
{ lpDrv->parts[_w].u.fnMessage##_y = func; count++; \
TRACE("Got %d bit func '%s'\n", _y, #_x); }
#define A(_x,_y) AA(hMod16,_x,_y,16,GetProcAddress16)
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 (TRACE_ON(winmm)) {
if (MMDRV_GetDescription16(drvName, buffer, sizeof(buffer)))
TRACE("%s => %s\n", drvName, buffer);
else
TRACE("%s => No description\n", drvName);
}
return count;
}
/* =================================
* M C I
* ================================= */
#if 0
/* FIXME: this code is kept for not yet implemented optimisation for an application
* using the 32A MCI interface and calling a 16 bit driver.
* For now, we're doing two conversions:
* - 32A => 32W (in 32 bit MCI code)
* - 32W => 16 in this file
*/
/*
* 0000 stop
* 0001 squeeze signed 4 bytes to 2 bytes *( LPINT16)D = ( INT16)*( LPINT16)S; D += 2; S += 4
* 0010 squeeze unsigned 4 bytes to 2 bytes *(LPUINT16)D = (UINT16)*(LPUINT16)S; D += 2; S += 4
* 0100
* 0101
* 0110 zero 4 bytes *(DWORD)D = 0 D += 4; S += 4
* 0111 copy string *(LPSTR*)D = seg dup(*(LPSTR*)S) D += 4; S += 4
* 1xxx copy xxx + 1 bytes memcpy(D, S, xxx + 1); D += xxx+1; S += xxx+1
*/
/**************************************************************************
* MCI_MsgMapper32ATo16_Create [internal]
*
* Helper for MCI_MapMsg32ATo16.
* Maps the 32 bit pointer (*ptr), of size bytes, to an allocated 16 bit
* segmented pointer.
* map contains a list of action to be performed for the mapping (see list
* above)
* if keep is TRUE, keeps track of in 32 bit ptr in allocated 16 bit area.
*/
static WINMM_MapType MCI_MsgMapper32ATo16_Create(void** ptr, int size16, DWORD map, BOOLEAN keep)
{
void* lp = HeapAlloc( GetProcessHeap(), 0, (keep ? sizeof(void**) : 0) + size16 );
LPBYTE p16, p32;
if (!lp) {
return WINMM_MAP_NOMEM;
}
p32 = (LPBYTE)(*ptr);
if (keep) {
*(void**)lp = *ptr;
p16 = (LPBYTE)lp + sizeof(void**);
*ptr = (char*)MapLS(lp) + sizeof(void**);
} else {
p16 = lp;
*ptr = (void*)MapLS(lp);
}
if (map == 0) {
memcpy(p16, p32, size16);
} else {
unsigned nibble;
unsigned sz;
while (map & 0xF) {
nibble = map & 0xF;
if (nibble & 0x8) {
sz = (nibble & 7) + 1;
memcpy(p16, p32, sz);
p16 += sz;
p32 += sz;
size16 -= sz; /* DEBUG only */
} else {
switch (nibble) {
case 0x1:
*(LPINT16)p16 = *(LPINT)p32;
p16 += sizeof(INT16);
p32 += sizeof(INT);
size16 -= sizeof(INT16);
break;
case 0x2:
*(LPUINT16)p16 = *(LPUINT)p32;
p16 += sizeof(UINT16);
p32 += sizeof(UINT);
size16 -= sizeof(UINT16);
break;
case 0x6:
*(LPDWORD)p16 = 0;
p16 += sizeof(DWORD);
p32 += sizeof(DWORD);
size16 -= sizeof(DWORD);
break;
case 0x7:
*(SEGPTR *)p16 = MapLS( *(LPSTR *)p32 );
p16 += sizeof(SEGPTR);
p32 += sizeof(LPSTR);
size16 -= sizeof(SEGPTR);
break;
default:
FIXME("Unknown nibble for mapping (%x)\n", nibble);
}
}
map >>= 4;
}
if (size16 != 0) /* DEBUG only */
FIXME("Mismatch between 16 bit struct size and map nibbles serie\n");
}
return WINMM_MAP_OKMEM;
}
/**************************************************************************
* MCI_MsgMapper32ATo16_Destroy [internal]
*
* Helper for MCI_UnMapMsg32ATo16.
*/
static WINMM_MapType MCI_MsgMapper32ATo16_Destroy(void* ptr, int size16, DWORD map, BOOLEAN kept)
{
if (ptr) {
void* msg16 = MapSL((SEGPTR)ptr);
void* alloc;
LPBYTE p32, p16;
unsigned nibble;
UnMapLS( (SEGPTR)ptr );
if (kept) {
alloc = (char*)msg16 - sizeof(void**);
p32 = *(void**)alloc;
p16 = msg16;
if (map == 0) {
memcpy(p32, p16, size16);
} else {
while (map & 0xF) {
nibble = map & 0xF;
if (nibble & 0x8) {
memcpy(p32, p16, (nibble & 7) + 1);
p16 += (nibble & 7) + 1;
p32 += (nibble & 7) + 1;
size16 -= (nibble & 7) + 1;
} else {
switch (nibble) {
case 0x1:
*(LPINT)p32 = *(LPINT16)p16;
p16 += sizeof(INT16);
p32 += sizeof(INT);
size16 -= sizeof(INT16);
break;
case 0x2:
*(LPUINT)p32 = *(LPUINT16)p16;
p16 += sizeof(UINT16);
p32 += sizeof(UINT);
size16 -= sizeof(UINT16);
break;
case 0x6:
p16 += sizeof(UINT);
p32 += sizeof(UINT);
size16 -= sizeof(UINT);
break;
case 0x7:
UnMapLS( *(SEGPTR *)p16 );
p16 += sizeof(SEGPTR);
p32 += sizeof(char*);
size16 -= sizeof(SEGPTR);
break;
default:
FIXME("Unknown nibble for mapping (%x)\n", ni⌨️ 快捷键说明
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