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Sweden-Number/dlls/winmm/midimap/midimap.c

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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
/*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* TODO:
* notification has to be implemented
* IDF file loading
*/
#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/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
{
char 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];
} 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 char* name, unsigned* dev)
{
for (*dev = 0; *dev < numMidiOutPorts; (*dev)++)
{
TRACE("%s\n", midiOutPorts[*dev].name);
if (strcmp(midiOutPorts[*dev].name, name) == 0)
return TRUE;
}
/* try the form #nnn */
if (*name == '#' && isdigit(name[1]))
{
*dev = atoi(name + 1);
if (*dev < numMidiOutPorts)
return TRUE;
}
return FALSE;
}
static BOOL MIDIMAP_LoadSettingsDefault(MIDIMAPDATA* mom, const char* port)
{
unsigned i, dev = 0;
if (port != NULL && !MIDIMAP_FindPort(port, &dev))
{
ERR("Registry glitch: couldn't find midi out (%s)\n", 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 char* scheme)
{
HKEY hSchemesKey, hKey, hPortKey;
unsigned i, idx, dev;
char 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 (RegOpenKeyA(hSchemesKey, scheme, &hKey))
{
RegCloseKey(hSchemesKey);
return FALSE;
}
for (idx = 0; !RegEnumKeyA(hKey, idx, buffer, sizeof(buffer)); idx++)
{
if (RegOpenKeyA(hKey, buffer, &hPortKey)) continue;
size = sizeof(port);
if (RegQueryValueExA(hPortKey, NULL, 0, &type, 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;
char buffer[256];
ret = 2;
size = sizeof(out);
if (!RegQueryValueExA(hKey, "UseScheme", 0, &type, (void*)&out, &size) && out)
{
size = sizeof(buffer);
if (!RegQueryValueExA(hKey, "CurrentScheme", 0, &type, 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)
{
size = sizeof(buffer);
if (!RegQueryValueExA(hKey, "CurrentInstrument", 0, &type, 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 DWORD modOpen(LPDWORD lpdwUser, LPMIDIOPENDESC lpDesc, DWORD dwFlags)
{
MIDIMAPDATA* mom = HeapAlloc(GetProcessHeap(), 0, sizeof(MIDIMAPDATA));
TRACE("(%p %p %08lx)\n", lpdwUser, lpDesc, dwFlags);
if (!mom) return MMSYSERR_NOMEM;
if (MIDIMAP_LoadSettings(mom))
{
*lpdwUser = (DWORD)mom;
mom->self = mom;
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)
HeapFree(GetProcessHeap(), 0, mom);
return ret;
}
static DWORD modLongData(MIDIMAPDATA* mom, LPMIDIHDR lpMidiHdr, DWORD dwParam2)
{
WORD chn;
DWORD ret = MMSYSERR_NOERROR;
MIDIHDR mh;
if (MIDIMAP_IsBadData(mom))
return MMSYSERR_ERROR;
mh = *lpMidiHdr;
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));
midiOutUnprepareHeader(mom->ChannelMap[chn]->hMidi, &mh, sizeof(mh));
if (ret != MMSYSERR_NOERROR) break;
}
}
return ret;
}
static DWORD modData(MIDIMAPDATA* mom, DWORD 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 %lu\n", dwParam);
}
return ret;
}
static DWORD modPrepare(MIDIMAPDATA* mom, LPMIDIHDR lpMidiHdr, DWORD dwParam2)
{
if (MIDIMAP_IsBadData(mom)) return MMSYSERR_ERROR;
if (lpMidiHdr->dwFlags & (MHDR_ISSTRM|MHDR_PREPARED))
return MMSYSERR_INVALPARAM;
lpMidiHdr->dwFlags |= MHDR_PREPARED;
return MMSYSERR_NOERROR;
}
static DWORD modUnprepare(MIDIMAPDATA* mom, LPMIDIHDR lpMidiHdr, DWORD dwParam2)
{
if (MIDIMAP_IsBadData(mom)) return MMSYSERR_ERROR;
if ((lpMidiHdr->dwFlags & MHDR_ISSTRM) || !(lpMidiHdr->dwFlags & MHDR_PREPARED))
return MMSYSERR_INVALPARAM;
lpMidiHdr->dwFlags &= ~MHDR_PREPARED;
return MMSYSERR_NOERROR;
}
static DWORD modGetDevCaps(UINT wDevID, MIDIMAPDATA* mom, LPMIDIOUTCAPSA lpMidiCaps, DWORD size)
{
lpMidiCaps->wMid = 0x00FF;
lpMidiCaps->wPid = 0x0001;
lpMidiCaps->vDriverVersion = 0x0100;
strcpy(lpMidiCaps->szPname, "Wine midi out mapper");
lpMidiCaps->wTechnology = MOD_MAPPER;
lpMidiCaps->wVoices = 0;
lpMidiCaps->wNotes = 0;
lpMidiCaps->wChannelMask = 0xFFFF;
lpMidiCaps->dwSupport = 0L;
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 dwUser,
DWORD dwParam1, DWORD 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 ((LPDWORD)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, (LPMIDIOUTCAPSA)dwParam1,dwParam2);
case MODM_GETNUMDEVS: return 1;
case MODM_GETVOLUME: return MMSYSERR_NOTSUPPORTED;
case MODM_SETVOLUME: return MMSYSERR_NOTSUPPORTED;
default:
FIXME("unknown message %d!\n", wMsg);
}
return MMSYSERR_NOTSUPPORTED;
}
/*======================================================================*
* Driver part *
*======================================================================*/
/**************************************************************************
* MIDIMAP_drvOpen [internal]
*/
static DWORD MIDIMAP_drvOpen(LPSTR str)
{
MIDIOUTCAPSA moc;
unsigned dev, i;
if (midiOutPorts)
return 0;
numMidiOutPorts = midiOutGetNumDevs();
midiOutPorts = HeapAlloc(GetProcessHeap(), 0,
numMidiOutPorts * sizeof(MIDIOUTPORT));
for (dev = 0; dev < numMidiOutPorts; dev++)
{
if (midiOutGetDevCapsA(dev, &moc, sizeof(moc)) == 0L)
{
strcpy(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 DWORD MIDIMAP_drvClose(DWORD dwDevID)
{
if (midiOutPorts)
{
HeapFree(GetProcessHeap(), 0, midiOutPorts);
midiOutPorts = NULL;
return 1;
}
return 0;
}
/**************************************************************************
* DriverProc (MIDIMAP.@)
*/
LONG CALLBACK MIDIMAP_DriverProc(DWORD dwDevID, HDRVR hDriv, DWORD wMsg,
DWORD dwParam1, DWORD 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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