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/*
* Wine MIDI mapper driver
*
* Copyright 1999, 2000, 2001 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
*
* TODO:
* notification has to be implemented
* IDF file loading
*/
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "mmddk.h"
#include "winreg.h"
#include "wine/unicode.h"
#include "wine/debug.h"
/*
* Here's how Windows stores the midiOut mapping information.
*
* Full form (in HKU) is:
*
* [Software\\Microsoft\\Windows\\CurrentVersion\\Multimedia\\MIDIMap] 988836060
* "AutoScheme"=dword:00000000
* "ConfigureCount"=dword:00000004
* "CurrentInstrument"="Wine OSS midi"
* "CurrentScheme"="epp"
* "DriverList"=""
* "UseScheme"=dword:00000000
*
* AutoScheme: ?
* CurrentInstrument: name of midiOut device to use when UseScheme is 0. Wine uses an extension
* of the form #n to link to n'th midiOut device of the system
* CurrentScheme: when UseScheme is non null, it's the scheme to use (see below)
* DriverList: ?
* UseScheme: trigger for simple/complex mapping
*
* A scheme is defined (in HKLM) as:
*
* [System\\CurrentControlSet\\Control\\MediaProperties\\PrivateProperties\\Midi\\Schemes\\<nameScheme>]
* <nameScheme>: one key for each defined scheme (system wide)
* under each one of these <nameScheme> keys, there's:
* [...\\<nameScheme>\\<idxDevice>]
* "Channels"="<bitMask>"
* (the default value of this key also refers to the name of the device).
*
* this defines, for each midiOut device (identified by its index in <idxDevice>), which
* channels have to be mapped onto it. The <bitMask> defines the channels (from 0 to 15)
* will be mapped (mapping occurs for channel <ch> if bit <ch> is set in <bitMask>
*
* Further mapping information can also be defined in:
* [System\\CurrentControlSet\\Control\\MediaProperties\\PrivateProperties\\Midi\\Ports\\<nameDevice>\\Instruments\\<idx>]
* "Definition"="<.idf file>"
* "FriendlyName"="#for .idx file#"
* "Port"="<idxPort>"
*
* This last part isn't implemented (.idf file support).
*/
WINE_DEFAULT_DEBUG_CHANNEL(msacm);
typedef struct tagMIDIOUTPORT
{
WCHAR name[MAXPNAMELEN];
int loaded;
HMIDIOUT hMidi;
unsigned short uDevID;
LPBYTE lpbPatch;
unsigned int aChn[16];
} MIDIOUTPORT;
typedef struct tagMIDIMAPDATA
{
struct tagMIDIMAPDATA* self;
MIDIOUTPORT* ChannelMap[16];
MIDIOPENDESC midiDesc;
WORD wCbFlags;
} MIDIMAPDATA;
static MIDIOUTPORT* midiOutPorts;
static unsigned numMidiOutPorts;
static BOOL MIDIMAP_IsBadData(MIDIMAPDATA* mm)
{
if (!IsBadReadPtr(mm, sizeof(MIDIMAPDATA)) && mm->self == mm)
return FALSE;
TRACE("Bad midimap data (%p)\n", mm);
return TRUE;
}
static BOOL MIDIMAP_FindPort(const WCHAR* name, unsigned* dev)
{
for (*dev = 0; *dev < numMidiOutPorts; (*dev)++)
{
TRACE("%s\n", wine_dbgstr_w(midiOutPorts[*dev].name));
if (strcmpW(midiOutPorts[*dev].name, name) == 0)
return TRUE;
}
/* try the form #nnn */
if (*name == '#' && isdigit(name[1]))
{
const WCHAR* ptr = name + 1;
*dev = 0;
do
{
*dev = *dev * 10 + *ptr - '0';
} while (isdigit(*++ptr));
if (*dev < numMidiOutPorts)
return TRUE;
}
return FALSE;
}
static BOOL MIDIMAP_LoadSettingsDefault(MIDIMAPDATA* mom, const WCHAR* port)
{
unsigned i, dev = 0;
if (port != NULL && !MIDIMAP_FindPort(port, &dev))
{
ERR("Registry glitch: couldn't find midi out (%s)\n", wine_dbgstr_w(port));
dev = 0;
}
/* this is necessary when no midi out ports are present */
if (dev >= numMidiOutPorts)
return FALSE;
/* sets default */
for (i = 0; i < 16; i++) mom->ChannelMap[i] = &midiOutPorts[dev];
return TRUE;
}
static BOOL MIDIMAP_LoadSettingsScheme(MIDIMAPDATA* mom, const WCHAR* scheme)
{
HKEY hSchemesKey, hKey, hPortKey;
unsigned i, idx, dev;
WCHAR buffer[256], port[256];
DWORD type, size, mask;
for (i = 0; i < 16; i++) mom->ChannelMap[i] = NULL;
if (RegOpenKeyA(HKEY_LOCAL_MACHINE,
"System\\CurrentControlSet\\Control\\MediaProperties\\PrivateProperties\\Midi\\Schemes",
&hSchemesKey))
{
return FALSE;
}
if (RegOpenKeyW(hSchemesKey, scheme, &hKey))
{
RegCloseKey(hSchemesKey);
return FALSE;
}
for (idx = 0; !RegEnumKeyW(hKey, idx, buffer, sizeof(buffer)/sizeof(buffer[0])); idx++)
{
if (RegOpenKeyW(hKey, buffer, &hPortKey)) continue;
size = sizeof(port);
if (RegQueryValueExW(hPortKey, NULL, 0, &type, (void*)port, &size)) continue;
if (!MIDIMAP_FindPort(port, &dev)) continue;
size = sizeof(mask);
if (RegQueryValueExA(hPortKey, "Channels", 0, &type, (void*)&mask, &size))
continue;
for (i = 0; i < 16; i++)
{
if (mask & (1 << i))
{
if (mom->ChannelMap[i])
ERR("Quirks in registry, channel %u is mapped twice\n", i);
mom->ChannelMap[i] = &midiOutPorts[dev];
}
}
}
RegCloseKey(hSchemesKey);
RegCloseKey(hKey);
return TRUE;
}
static BOOL MIDIMAP_LoadSettings(MIDIMAPDATA* mom)
{
HKEY hKey;
BOOL ret;
if (RegOpenKeyA(HKEY_CURRENT_USER,
"Software\\Microsoft\\Windows\\CurrentVersion\\Multimedia\\MIDIMap", &hKey))
{
ret = MIDIMAP_LoadSettingsDefault(mom, NULL);
}
else
{
DWORD type, size, out;
WCHAR buffer[256];
ret = 2;
size = sizeof(out);
if (!RegQueryValueExA(hKey, "UseScheme", 0, &type, (void*)&out, &size) && out)
{
static const WCHAR cs[] = {'C','u','r','r','e','n','t','S','c','h','e','m','e',0};
size = sizeof(buffer);
if (!RegQueryValueExW(hKey, cs, 0, &type, (void*)buffer, &size))
{
if (!(ret = MIDIMAP_LoadSettingsScheme(mom, buffer)))
ret = MIDIMAP_LoadSettingsDefault(mom, NULL);
}
else
{
ERR("Wrong registry: UseScheme is active, but no CurrentScheme found\n");
}
}
if (ret == 2)
{
static const WCHAR ci[] = {'C','u','r','r','e','n','t','I','n','s','t','r','u','m','e','n','t',0};
size = sizeof(buffer);
if (!RegQueryValueExW(hKey, ci, 0, &type, (void*)buffer, &size) && *buffer)
{
ret = MIDIMAP_LoadSettingsDefault(mom, buffer);
}
else
{
ret = MIDIMAP_LoadSettingsDefault(mom, NULL);
}
}
}
RegCloseKey(hKey);
if (ret && TRACE_ON(msacm))
{
unsigned i;
for (i = 0; i < 16; i++)
{
TRACE("chnMap[%2d] => %d\n",
i, mom->ChannelMap[i] ? mom->ChannelMap[i]->uDevID : -1);
}
}
return ret;
}
static void MIDIMAP_NotifyClient(MIDIMAPDATA* mom, WORD wMsg,
DWORD_PTR dwParam1, DWORD_PTR dwParam2)
{
DriverCallback(mom->midiDesc.dwCallback, mom->wCbFlags, (HDRVR)mom->midiDesc.hMidi,
wMsg, mom->midiDesc.dwInstance, dwParam1, dwParam2);
}
static DWORD modOpen(DWORD_PTR *lpdwUser, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
{
MIDIMAPDATA* mom = HeapAlloc(GetProcessHeap(), 0, sizeof(MIDIMAPDATA));
TRACE("(%p %p %08x)\n", lpdwUser, lpDesc, dwFlags);
if (!mom) return MMSYSERR_NOMEM;
if (!lpDesc) {
HeapFree(GetProcessHeap(), 0, mom);
return MMSYSERR_INVALPARAM;
}
if (MIDIMAP_LoadSettings(mom))
{
*lpdwUser = (DWORD_PTR)mom;
mom->self = mom;
mom->wCbFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK);
mom->midiDesc = *lpDesc;
MIDIMAP_NotifyClient(mom, MOM_OPEN, 0L, 0L);
return MMSYSERR_NOERROR;
}
HeapFree(GetProcessHeap(), 0, mom);
return MIDIERR_INVALIDSETUP;
}
static DWORD modClose(MIDIMAPDATA* mom)
{
UINT i;
DWORD ret = MMSYSERR_NOERROR;
if (MIDIMAP_IsBadData(mom)) return MMSYSERR_ERROR;
for (i = 0; i < 16; i++)
{
DWORD t;
if (mom->ChannelMap[i] && mom->ChannelMap[i]->loaded > 0)
{
t = midiOutClose(mom->ChannelMap[i]->hMidi);
if (t == MMSYSERR_NOERROR)
{
mom->ChannelMap[i]->loaded = 0;
mom->ChannelMap[i]->hMidi = 0;
}
else if (ret == MMSYSERR_NOERROR)
ret = t;
}
}
if (ret == MMSYSERR_NOERROR) {
MIDIMAP_NotifyClient(mom, MOM_CLOSE, 0L, 0L);
HeapFree(GetProcessHeap(), 0, mom);
}
return ret;
}
static DWORD modLongData(MIDIMAPDATA* mom, LPMIDIHDR lpMidiHdr, DWORD_PTR dwParam2)
{
WORD chn;
DWORD ret = MMSYSERR_NOERROR;
MIDIHDR mh;
if (MIDIMAP_IsBadData(mom))
return MMSYSERR_ERROR;
if (!(lpMidiHdr->dwFlags & MHDR_PREPARED))
return MIDIERR_UNPREPARED;
if (lpMidiHdr->dwFlags & MHDR_INQUEUE)
return MIDIERR_STILLPLAYING;
mh = *lpMidiHdr;
lpMidiHdr->dwFlags &= ~MHDR_DONE;
lpMidiHdr->dwFlags |= MHDR_INQUEUE;
for (chn = 0; chn < 16; chn++)
{
if (mom->ChannelMap[chn] && mom->ChannelMap[chn]->loaded > 0)
{
mh.dwFlags = 0;
midiOutPrepareHeader(mom->ChannelMap[chn]->hMidi, &mh, sizeof(mh));
ret = midiOutLongMsg(mom->ChannelMap[chn]->hMidi, &mh, sizeof(mh));
/* As of 2009, wineXYZ.drv's LongData handlers are synchronous */
if (!ret && !(mh.dwFlags & MHDR_DONE))
FIXME("wait until MHDR_DONE\n");
midiOutUnprepareHeader(mom->ChannelMap[chn]->hMidi, &mh, sizeof(mh));
if (ret != MMSYSERR_NOERROR) break;
}
}
lpMidiHdr->dwFlags &= ~MHDR_INQUEUE;
lpMidiHdr->dwFlags |= MHDR_DONE;
MIDIMAP_NotifyClient(mom, MOM_DONE, (DWORD_PTR)lpMidiHdr, 0L);
return ret;
}
static DWORD modData(MIDIMAPDATA* mom, DWORD_PTR dwParam)
{
BYTE lb = LOBYTE(LOWORD(dwParam));
WORD chn = lb & 0x0F;
DWORD ret = MMSYSERR_NOERROR;
if (MIDIMAP_IsBadData(mom))
return MMSYSERR_ERROR;
if (!mom->ChannelMap[chn]) return MMSYSERR_NOERROR;
switch (lb & 0xF0)
{
case 0x80:
case 0x90:
case 0xA0:
case 0xB0:
case 0xC0:
case 0xD0:
case 0xE0:
if (mom->ChannelMap[chn]->loaded == 0)
{
if (midiOutOpen(&mom->ChannelMap[chn]->hMidi, mom->ChannelMap[chn]->uDevID,
0L, 0L, CALLBACK_NULL) == MMSYSERR_NOERROR)
mom->ChannelMap[chn]->loaded = 1;
else
mom->ChannelMap[chn]->loaded = -1;
/* FIXME: should load here the IDF midi data... and allow channel and
* patch mappings
*/
}
if (mom->ChannelMap[chn]->loaded > 0)
{
/* change channel */
dwParam &= ~0x0F;
dwParam |= mom->ChannelMap[chn]->aChn[chn];
if ((LOBYTE(LOWORD(dwParam)) & 0xF0) == 0xC0 /* program change */ &&
mom->ChannelMap[chn]->lpbPatch)
{
BYTE patch = HIBYTE(LOWORD(dwParam));
/* change patch */
dwParam &= ~0x0000FF00;
dwParam |= mom->ChannelMap[chn]->lpbPatch[patch];
}
ret = midiOutShortMsg(mom->ChannelMap[chn]->hMidi, dwParam);
}
break;
case 0xF0:
for (chn = 0; chn < 16; chn++)
{
if (mom->ChannelMap[chn]->loaded > 0)
ret = midiOutShortMsg(mom->ChannelMap[chn]->hMidi, dwParam);
}
break;
default:
FIXME("ooch %lx\n", dwParam);
}
return ret;
}
static DWORD modPrepare(MIDIMAPDATA* mom, LPMIDIHDR lpMidiHdr, DWORD_PTR dwSize)
{
if (MIDIMAP_IsBadData(mom)) return MMSYSERR_ERROR;
if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 ||
lpMidiHdr->lpData == 0 || (lpMidiHdr->dwFlags & MHDR_INQUEUE))
return MMSYSERR_INVALPARAM;
lpMidiHdr->dwFlags |= MHDR_PREPARED;
lpMidiHdr->dwFlags &= ~MHDR_DONE;
return MMSYSERR_NOERROR;
}
static DWORD modUnprepare(MIDIMAPDATA* mom, LPMIDIHDR lpMidiHdr, DWORD_PTR dwParam2)
{
if (MIDIMAP_IsBadData(mom)) return MMSYSERR_ERROR;
if (!(lpMidiHdr->dwFlags & MHDR_PREPARED)) return MIDIERR_UNPREPARED;
if (lpMidiHdr->dwFlags & MHDR_INQUEUE) return MIDIERR_STILLPLAYING;
lpMidiHdr->dwFlags &= ~MHDR_PREPARED;
return MMSYSERR_NOERROR;
}
static DWORD modGetVolume(MIDIMAPDATA* mom, DWORD* lpdwVolume)
{
if (MIDIMAP_IsBadData(mom)) return MMSYSERR_ERROR;
if (!lpdwVolume) return MMSYSERR_INVALPARAM;
*lpdwVolume = 0xFFFFFFFF; /* tests show this initial value */
return MMSYSERR_NOERROR;
}
static DWORD modSetVolume(MIDIMAPDATA* mom, DWORD dwVolume)
{
/* Native forwards it to some underlying device
* GetVolume returns what was last set here. */
FIXME("stub\n");
return MMSYSERR_NOERROR;
}
static DWORD modGetDevCaps(UINT wDevID, MIDIMAPDATA* mom, LPMIDIOUTCAPSW lpMidiCaps, DWORD_PTR size)
{
static const MIDIOUTCAPSW mappercaps = {
0x00FF, 0x0001, 0x0100, /* Manufacturer and Product ID */
{'W','i','n','e',' ','m','i','d','i',' ','m','a','p','p','e','r',0},
MOD_MAPPER, 0, 0, 0xFFFF,
/* Native returns volume caps of underlying device + MIDICAPS_STREAM */
MIDICAPS_VOLUME|MIDICAPS_LRVOLUME
};
if (lpMidiCaps == NULL) return MMSYSERR_INVALPARAM;
memcpy(lpMidiCaps, &mappercaps, min(size, sizeof(*lpMidiCaps)));
return MMSYSERR_NOERROR;
}
static DWORD modReset(MIDIMAPDATA* mom)
{
WORD chn;
DWORD ret = MMSYSERR_NOERROR;
if (MIDIMAP_IsBadData(mom))
return MMSYSERR_ERROR;
for (chn = 0; chn < 16; chn++)
{
if (mom->ChannelMap[chn] && mom->ChannelMap[chn]->loaded > 0)
{
ret = midiOutReset(mom->ChannelMap[chn]->hMidi);
if (ret != MMSYSERR_NOERROR) break;
}
}
return ret;
}
/**************************************************************************
* modMessage (MIDIMAP.@)
*/
DWORD WINAPI MIDIMAP_modMessage(UINT wDevID, UINT wMsg, DWORD_PTR dwUser,
DWORD_PTR dwParam1, DWORD_PTR dwParam2)
{
TRACE("(%u, %04X, %08lX, %08lX, %08lX);\n",
wDevID, wMsg, dwUser, dwParam1, dwParam2);
switch (wMsg)
{
case DRVM_INIT:
case DRVM_EXIT:
case DRVM_ENABLE:
case DRVM_DISABLE:
/* FIXME: Pretend this is supported */
return 0;
case MODM_OPEN: return modOpen((DWORD_PTR *)dwUser, (LPMIDIOPENDESC)dwParam1, dwParam2);
case MODM_CLOSE: return modClose ((MIDIMAPDATA*)dwUser);
case MODM_DATA: return modData ((MIDIMAPDATA*)dwUser, dwParam1);
case MODM_LONGDATA: return modLongData ((MIDIMAPDATA*)dwUser, (LPMIDIHDR)dwParam1, dwParam2);
case MODM_PREPARE: return modPrepare ((MIDIMAPDATA*)dwUser, (LPMIDIHDR)dwParam1, dwParam2);
case MODM_UNPREPARE: return modUnprepare ((MIDIMAPDATA*)dwUser, (LPMIDIHDR)dwParam1, dwParam2);
case MODM_RESET: return modReset ((MIDIMAPDATA*)dwUser);
case MODM_GETDEVCAPS: return modGetDevCaps (wDevID, (MIDIMAPDATA*)dwUser, (LPMIDIOUTCAPSW)dwParam1,dwParam2);
case MODM_GETNUMDEVS: return 1;
case MODM_GETVOLUME: return modGetVolume ((MIDIMAPDATA*)dwUser, (DWORD*)dwParam1);
case MODM_SETVOLUME: return modSetVolume ((MIDIMAPDATA*)dwUser, dwParam1);
default:
FIXME("unknown message %d!\n", wMsg);
}
return MMSYSERR_NOTSUPPORTED;
}
/*======================================================================*
* Driver part *
*======================================================================*/
/**************************************************************************
* MIDIMAP_drvOpen [internal]
*/
static LRESULT MIDIMAP_drvOpen(LPSTR str)
{
MIDIOUTCAPSW moc;
unsigned dev, i;
if (midiOutPorts)
return 0;
numMidiOutPorts = midiOutGetNumDevs();
midiOutPorts = HeapAlloc(GetProcessHeap(), 0,
numMidiOutPorts * sizeof(MIDIOUTPORT));
for (dev = 0; dev < numMidiOutPorts; dev++)
{
if (midiOutGetDevCapsW(dev, &moc, sizeof(moc)) == 0L)
{
strcpyW(midiOutPorts[dev].name, moc.szPname);
midiOutPorts[dev].loaded = 0;
midiOutPorts[dev].hMidi = 0;
midiOutPorts[dev].uDevID = dev;
midiOutPorts[dev].lpbPatch = NULL;
for (i = 0; i < 16; i++)
midiOutPorts[dev].aChn[i] = i;
}
else
{
midiOutPorts[dev].loaded = -1;
}
}
return 1;
}
/**************************************************************************
* MIDIMAP_drvClose [internal]
*/
static LRESULT MIDIMAP_drvClose(DWORD_PTR dwDevID)
{
if (midiOutPorts)
{
HeapFree(GetProcessHeap(), 0, midiOutPorts);
midiOutPorts = NULL;
return 1;
}
return 0;
}
/**************************************************************************
* DriverProc (MIDIMAP.@)
*/
LRESULT CALLBACK MIDIMAP_DriverProc(DWORD_PTR dwDevID, HDRVR hDriv, UINT wMsg,
LPARAM dwParam1, LPARAM dwParam2)
{
/* EPP TRACE("(%08lX, %04X, %08lX, %08lX, %08lX)\n", */
/* EPP dwDevID, hDriv, wMsg, dwParam1, dwParam2); */
switch (wMsg)
{
case DRV_LOAD: return 1;
case DRV_FREE: return 1;
case DRV_OPEN: return MIDIMAP_drvOpen((LPSTR)dwParam1);
case DRV_CLOSE: return MIDIMAP_drvClose(dwDevID);
case DRV_ENABLE: return 1;
case DRV_DISABLE: return 1;
case DRV_QUERYCONFIGURE: return 1;
case DRV_CONFIGURE: MessageBoxA(0, "MIDIMAP MultiMedia Driver !", "OSS Driver", MB_OK); return 1;
case DRV_INSTALL: return DRVCNF_RESTART;
case DRV_REMOVE: return DRVCNF_RESTART;
default:
return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
}
}
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