/* -*- tab-width: 8; c-basic-offset: 4 -*- */ /* * Sample MIDI Wine Driver for Open Sound System (basically Linux) * * Copyright 1994 Martin Ayotte * Copyright 1998 Luiz Otavio L. Zorzella (init procedures) * Copyright 1998/1999 Eric POUECH : * 98/7 changes for making this MIDI driver work on OSS * current support is limited to MIDI ports of OSS systems * 98/9 rewriting MCI code for MIDI * 98/11 splitted in midi.c and mcimidi.c */ #include "config.h" #include #include #include #include #include "windef.h" #include "wingdi.h" #include "winuser.h" #include "mmddk.h" #include "oss.h" #include "debugtools.h" #include "heap.h" #include "ldt.h" DEFAULT_DEBUG_CHANNEL(midi) #ifdef HAVE_OSS_MIDI #define MIDI_SEQ "/dev/sequencer" typedef struct { int state; DWORD bufsize; LPMIDIOPENDESC midiDesc; WORD wFlags; LPMIDIHDR lpQueueHdr; DWORD dwTotalPlayed; unsigned char incoming[3]; unsigned char incPrev; char incLen; DWORD startTime; } WINE_MIDIIN; typedef struct { int state; DWORD bufsize; LPMIDIOPENDESC midiDesc; WORD wFlags; LPMIDIHDR lpQueueHdr; DWORD dwTotalPlayed; void* lpExtra; /* according to port type (MIDI, FM...), extra data when needed */ } WINE_MIDIOUT; static WINE_MIDIIN MidiInDev [MAX_MIDIINDRV ]; static WINE_MIDIOUT MidiOutDev[MAX_MIDIOUTDRV]; /* this is the total number of MIDI out devices found */ static int MODM_NUMDEVS = 0; /* this is the number of FM synthetizers (index from 0 to NUMFMSYNTHDEVS - 1) */ static int MODM_NUMFMSYNTHDEVS = 0; /* this is the number of Midi ports (index from NUMFMSYNTHDEVS to NUMFMSYNTHDEVS + NUMMIDIDEVS - 1) */ static int MODM_NUMMIDIDEVS = 0; /* this is the total number of MIDI out devices found */ static int MIDM_NUMDEVS = 0; static int midiSeqFD = -1; static int numOpenMidiSeq = 0; static UINT midiInTimerID = 0; static int numStartedMidiIn = 0; /* this structure holds pointers with information for each MIDI * out device found. */ static LPMIDIOUTCAPSA midiOutDevices[MAX_MIDIOUTDRV]; /* this structure holds pointers with information for each MIDI * in device found. */ static LPMIDIINCAPSA midiInDevices [MAX_MIDIINDRV]; /* * FIXME : all tests on device ID for midXXX and modYYY are made against * MAX_MIDIxxDRV (when they are made) but should be done against the actual * number of midi devices found... */ /*======================================================================* * Low level MIDI implementation * *======================================================================*/ static int midiOpenSeq(void); static int midiCloseSeq(void); /************************************************************************** * unixToWindowsDeviceType [internal] * * return the Windows equivalent to a Unix Device Type * */ static int MIDI_UnixToWindowsDeviceType(int type) { /* MOD_MIDIPORT output port * MOD_SYNTH generic internal synth * MOD_SQSYNTH square wave internal synth * MOD_FMSYNTH FM internal synth * MOD_MAPPER MIDI mapper */ /* FIXME Is this really the correct equivalence from UNIX to Windows Sound type */ switch (type) { case SYNTH_TYPE_FM: return MOD_FMSYNTH; case SYNTH_TYPE_SAMPLE: return MOD_SYNTH; case SYNTH_TYPE_MIDI: return MOD_MIDIPORT; default: ERR("Cannot determine the type of this midi device. " "Assuming FM Synth\n"); return MOD_FMSYNTH; } return MOD_FMSYNTH; } /************************************************************************** * OSS_MidiInit [internal] * * Initializes the MIDI devices information variables */ BOOL OSS_MidiInit(void) { int i, status, numsynthdevs = 255, nummididevs = 255; struct synth_info sinfo; struct midi_info minfo; static BOOL bInitDone = FALSE; if (bInitDone) return TRUE; TRACE("Initializing the MIDI variables.\n"); bInitDone = TRUE; /* try to open device */ if (midiOpenSeq() == -1) { return TRUE; } /* find how many Synth devices are there in the system */ status = ioctl(midiSeqFD, SNDCTL_SEQ_NRSYNTHS, &numsynthdevs); if (status == -1) { ERR("ioctl for nr synth failed.\n"); midiCloseSeq(); return TRUE; } if (numsynthdevs > MAX_MIDIOUTDRV) { ERR("MAX_MIDIOUTDRV (%d) was enough for the number of devices (%d). " "Some FM devices will not be available.\n",MAX_MIDIOUTDRV,numsynthdevs); numsynthdevs = MAX_MIDIOUTDRV; } for (i = 0; i < numsynthdevs; i++) { LPMIDIOUTCAPSA tmplpCaps; sinfo.device = i; status = ioctl(midiSeqFD, SNDCTL_SYNTH_INFO, &sinfo); if (status == -1) { ERR("ioctl for synth info failed.\n"); midiCloseSeq(); return TRUE; } tmplpCaps = HeapAlloc(GetProcessHeap(), 0, sizeof(MIDIOUTCAPSA)); if (!tmplpCaps) break; /* We also have the information sinfo.synth_subtype, not used here */ /* Manufac ID. We do not have access to this with soundcard.h * Does not seem to be a problem, because in mmsystem.h only * Microsoft's ID is listed. */ tmplpCaps->wMid = 0x00FF; tmplpCaps->wPid = 0x0001; /* FIXME Product ID */ /* Product Version. We simply say "1" */ tmplpCaps->vDriverVersion = 0x001; strcpy(tmplpCaps->szPname, sinfo.name); tmplpCaps->wTechnology = MIDI_UnixToWindowsDeviceType(sinfo.synth_type); tmplpCaps->wVoices = sinfo.nr_voices; /* FIXME Is it possible to know the maximum * number of simultaneous notes of a soundcard ? * I believe we don't have this information, but * it's probably equal or more than wVoices */ tmplpCaps->wNotes = sinfo.nr_voices; /* FIXME Do we have this information? * Assuming the soundcards can handle * MIDICAPS_VOLUME and MIDICAPS_LRVOLUME but * not MIDICAPS_CACHE. */ tmplpCaps->dwSupport = MIDICAPS_VOLUME|MIDICAPS_LRVOLUME; midiOutDevices[i] = tmplpCaps; if (sinfo.capabilities & SYNTH_CAP_INPUT) { FIXME("Synthetizer support MIDI in. Not supported yet (please report)\n"); } TRACE("name='%s', techn=%d voices=%d notes=%d support=%ld\n", tmplpCaps->szPname, tmplpCaps->wTechnology, tmplpCaps->wVoices, tmplpCaps->wNotes, tmplpCaps->dwSupport); TRACE("OSS info: synth subtype=%d capa=%lx\n", sinfo.synth_subtype, (long)sinfo.capabilities); } /* find how many MIDI devices are there in the system */ status = ioctl(midiSeqFD, SNDCTL_SEQ_NRMIDIS, &nummididevs); if (status == -1) { ERR("ioctl on nr midi failed.\n"); midiCloseSeq(); return TRUE; } /* FIXME: the two restrictions below could be loosen in some cases */ if (numsynthdevs + nummididevs > MAX_MIDIOUTDRV) { ERR("MAX_MIDIOUTDRV was not enough for the number of devices. " "Some MIDI devices will not be available.\n"); nummididevs = MAX_MIDIOUTDRV - numsynthdevs; } if (nummididevs > MAX_MIDIINDRV) { ERR("MAX_MIDIINDRV (%d) was not enough for the number of devices (%d). " "Some MIDI devices will not be available.\n",MAX_MIDIINDRV,nummididevs); nummididevs = MAX_MIDIINDRV; } for (i = 0; i < nummididevs; i++) { LPMIDIOUTCAPSA tmplpOutCaps; LPMIDIINCAPSA tmplpInCaps; minfo.device = i; status = ioctl(midiSeqFD, SNDCTL_MIDI_INFO, &minfo); if (status == -1) { ERR("ioctl on midi info for device %d failed.\n", i); midiCloseSeq(); return TRUE; } tmplpOutCaps = HeapAlloc(GetProcessHeap(), 0, sizeof(MIDIOUTCAPSA)); if (!tmplpOutCaps) break; /* This whole part is somewhat obscure to me. I'll keep trying to dig info about it. If you happen to know, please tell us. The very descritive minfo.dev_type was not used here. */ /* Manufac ID. We do not have access to this with soundcard.h Does not seem to be a problem, because in mmsystem.h only Microsoft's ID is listed */ tmplpOutCaps->wMid = 0x00FF; tmplpOutCaps->wPid = 0x0001; /* FIXME Product ID */ /* Product Version. We simply say "1" */ tmplpOutCaps->vDriverVersion = 0x001; strcpy(tmplpOutCaps->szPname, minfo.name); tmplpOutCaps->wTechnology = MOD_MIDIPORT; /* FIXME Is this right? */ /* Does it make any difference? */ tmplpOutCaps->wVoices = 16; /* Does it make any difference? */ tmplpOutCaps->wNotes = 16; /* FIXME Does it make any difference? */ tmplpOutCaps->dwSupport = MIDICAPS_VOLUME|MIDICAPS_LRVOLUME; midiOutDevices[numsynthdevs + i] = tmplpOutCaps; tmplpInCaps = HeapAlloc(GetProcessHeap(), 0, sizeof(MIDIOUTCAPSA)); if (!tmplpInCaps) break; /* This whole part is somewhat obscure to me. I'll keep trying to dig info about it. If you happen to know, please tell us. The very descritive minfo.dev_type was not used here. */ /* Manufac ID. We do not have access to this with soundcard.h Does not seem to be a problem, because in mmsystem.h only Microsoft's ID is listed */ tmplpInCaps->wMid = 0x00FF; tmplpInCaps->wPid = 0x0001; /* FIXME Product ID */ /* Product Version. We simply say "1" */ tmplpInCaps->vDriverVersion = 0x001; strcpy(tmplpInCaps->szPname, minfo.name); /* FIXME : could we get better information than that ? */ tmplpInCaps->dwSupport = MIDICAPS_VOLUME|MIDICAPS_LRVOLUME; midiInDevices[i] = tmplpInCaps; TRACE("name='%s' techn=%d voices=%d notes=%d support=%ld\n", tmplpOutCaps->szPname, tmplpOutCaps->wTechnology, tmplpOutCaps->wVoices, tmplpOutCaps->wNotes, tmplpOutCaps->dwSupport); TRACE("OSS info: midi dev-type=%d, capa=%lx\n", minfo.dev_type, (long)minfo.capabilities); } /* windows does not seem to differentiate Synth from MIDI devices */ MODM_NUMFMSYNTHDEVS = numsynthdevs; MODM_NUMMIDIDEVS = nummididevs; MODM_NUMDEVS = numsynthdevs + nummididevs; MIDM_NUMDEVS = nummididevs; /* close file and exit */ midiCloseSeq(); return TRUE; } /************************************************************************** * MIDI_NotifyClient [internal] */ static DWORD MIDI_NotifyClient(UINT wDevID, WORD wMsg, DWORD dwParam1, DWORD dwParam2) { DWORD dwCallBack; UINT uFlags; HANDLE hDev; DWORD dwInstance; TRACE("wDevID = %04X wMsg = %d dwParm1 = %04lX dwParam2 = %04lX\n", wDevID, wMsg, dwParam1, dwParam2); switch (wMsg) { case MOM_OPEN: case MOM_CLOSE: case MOM_DONE: if (wDevID > MAX_MIDIOUTDRV) return MCIERR_INTERNAL; dwCallBack = MidiOutDev[wDevID].midiDesc->dwCallback; uFlags = MidiOutDev[wDevID].wFlags; hDev = MidiOutDev[wDevID].midiDesc->hMidi; dwInstance = MidiOutDev[wDevID].midiDesc->dwInstance; break; case MIM_OPEN: case MIM_CLOSE: case MIM_DATA: case MIM_ERROR: if (wDevID > MAX_MIDIINDRV) return MCIERR_INTERNAL; dwCallBack = MidiInDev[wDevID].midiDesc->dwCallback; uFlags = MidiInDev[wDevID].wFlags; hDev = MidiInDev[wDevID].midiDesc->hMidi; dwInstance = MidiInDev[wDevID].midiDesc->dwInstance; break; default: WARN("Unsupported MSW-MIDI message %u\n", wMsg); return MCIERR_INTERNAL; } return DriverCallback(dwCallBack, uFlags, hDev, wMsg, dwInstance, dwParam1, dwParam2) ? 0 : MCIERR_INTERNAL; } static int midi_warn = 1; /************************************************************************** * midiOpenSeq [internal] */ static int midiOpenSeq(void) { if (numOpenMidiSeq == 0) { midiSeqFD = open(MIDI_SEQ, O_RDWR, 0); if (midiSeqFD == -1) { if (midi_warn) { MESSAGE("Can't open MIDI device '%s' ! (%s)%s\n", MIDI_SEQ, strerror(errno), errno == ENOENT ? ": create it ! (\"man MAKEDEV\" ?)" : errno == ENODEV ? ": Load MIDI sequencer kernel driver !" : errno == EACCES ? ": Grant access ! (\"man chmod\")" : "" ); } midi_warn = 0; return -1; } if (fcntl(midiSeqFD, F_SETFL, O_NONBLOCK) < 0) { WARN("can't set sequencer fd to non-blocking, errno %d (%s)\n", errno, strerror(errno)); close(midiSeqFD); midiSeqFD = -1; return -1; } ioctl(midiSeqFD, SNDCTL_SEQ_RESET); } numOpenMidiSeq++; return 0; } /************************************************************************** * midiCloseSeq [internal] */ static int midiCloseSeq(void) { if (--numOpenMidiSeq == 0) { close(midiSeqFD); midiSeqFD = -1; } return 0; } /* FIXME: this is a bad idea, it's even not static... */ SEQ_DEFINEBUF(1024); /* FIXME: this is not reentrant, not static - because of global variable * _seqbuf and al. */ /************************************************************************** * seqbuf_dump [internal] */ void seqbuf_dump(void) { if (_seqbufptr) { if (write(midiSeqFD, _seqbuf, _seqbufptr) == -1) { WARN("Can't write data to sequencer %d, errno %d (%s)!\n", midiSeqFD, errno, strerror(errno)); } /* FIXME: * in any case buffer is lost so that if many errors occur the buffer * will not overrun */ _seqbufptr = 0; } } static void midReceiveChar(WORD wDevID, unsigned char value, DWORD dwTime) { DWORD toSend = 0; TRACE("Adding %02xh to %d[%d]\n", value, wDevID, MidiInDev[wDevID].incLen); if (wDevID >= MAX_MIDIINDRV) { WARN("bad devID\n"); return; } if (MidiInDev[wDevID].state == 0) { TRACE("input not started, thrown away\n"); return; } if (MidiInDev[wDevID].state & 2) { /* system exclusive */ LPMIDIHDR lpMidiHdr = MidiInDev[wDevID].lpQueueHdr; WORD sbfb = FALSE; if (lpMidiHdr) { LPBYTE lpData = lpMidiHdr->lpData; lpData[lpMidiHdr->dwBytesRecorded++] = value; if (lpMidiHdr->dwBytesRecorded == lpMidiHdr->dwBufferLength) { sbfb = TRUE; } } if (value == 0xF7) { /* then end */ MidiInDev[wDevID].state &= ~2; sbfb = TRUE; } if (sbfb && lpMidiHdr != NULL) { lpMidiHdr = MidiInDev[wDevID].lpQueueHdr; lpMidiHdr->dwFlags &= ~MHDR_INQUEUE; lpMidiHdr->dwFlags |= MHDR_DONE; MidiInDev[wDevID].lpQueueHdr = (LPMIDIHDR)lpMidiHdr->lpNext; if (MIDI_NotifyClient(wDevID, MIM_LONGDATA, (DWORD)lpMidiHdr, dwTime) != MMSYSERR_NOERROR) { WARN("Couldn't notify client\n"); } } return; } #define IS_CMD(_x) (((_x) & 0x80) == 0x80) #define IS_SYS_CMD(_x) (((_x) & 0xF0) == 0xF0) if (!IS_CMD(value) && MidiInDev[wDevID].incLen == 0) { /* try to reuse old cmd */ if (IS_CMD(MidiInDev[wDevID].incPrev) && !IS_SYS_CMD(MidiInDev[wDevID].incPrev)) { MidiInDev[wDevID].incoming[0] = MidiInDev[wDevID].incPrev; MidiInDev[wDevID].incLen = 1; TRACE("Reusing old command %02xh\n", MidiInDev[wDevID].incPrev); } else { FIXME("error for midi-in, should generate MIM_ERROR notification:" " prev=%02Xh, incLen=%02Xh\n", MidiInDev[wDevID].incPrev, MidiInDev[wDevID].incLen); return; } } MidiInDev[wDevID].incoming[(int)(MidiInDev[wDevID].incLen++)] = value; if (MidiInDev[wDevID].incLen == 1 && !IS_SYS_CMD(MidiInDev[wDevID].incoming[0])) { /* store new cmd, just in case */ MidiInDev[wDevID].incPrev = MidiInDev[wDevID].incoming[0]; } #undef IS_CMD(_x) #undef IS_SYS_CMD(_x) switch (MidiInDev[wDevID].incoming[0] & 0xF0) { case MIDI_NOTEOFF: case MIDI_NOTEON: case MIDI_KEY_PRESSURE: case MIDI_CTL_CHANGE: case MIDI_PITCH_BEND: if (MidiInDev[wDevID].incLen == 3) { toSend = (MidiInDev[wDevID].incoming[2] << 16) | (MidiInDev[wDevID].incoming[1] << 8) | (MidiInDev[wDevID].incoming[0] << 0); } break; case MIDI_PGM_CHANGE: case MIDI_CHN_PRESSURE: if (MidiInDev[wDevID].incLen == 2) { toSend = (MidiInDev[wDevID].incoming[1] << 8) | (MidiInDev[wDevID].incoming[0] << 0); } break; case MIDI_SYSTEM_PREFIX: if (MidiInDev[wDevID].incoming[0] == 0xF0) { MidiInDev[wDevID].state |= 2; MidiInDev[wDevID].incLen = 0; } else { if (MidiInDev[wDevID].incLen == 1) { toSend = (MidiInDev[wDevID].incoming[0] << 0); } } break; default: WARN("This shouldn't happen (%02X)\n", MidiInDev[wDevID].incoming[0]); } if (toSend != 0) { TRACE("Sending event %08lx\n", toSend); MidiInDev[wDevID].incLen = 0; dwTime -= MidiInDev[wDevID].startTime; if (MIDI_NotifyClient(wDevID, MIM_DATA, toSend, dwTime) != MMSYSERR_NOERROR) { WARN("Couldn't notify client\n"); } } } static VOID WINAPI midTimeCallback(HWND hwnd, UINT msg, UINT id, DWORD dwTime) { unsigned char buffer[256]; int len, idx; TRACE("(%04X, %d, %d, %lu)\n", hwnd, msg, id, dwTime); len = read(midiSeqFD, buffer, sizeof(buffer)); if (len < 0) return; if ((len % 4) != 0) { WARN("Bad length %d, errno %d (%s)\n", len, errno, strerror(errno)); return; } for (idx = 0; idx < len; ) { if (buffer[idx] & 0x80) { TRACE( "Reading<8> %02x %02x %02x %02x %02x %02x %02x %02x\n", buffer[idx + 0], buffer[idx + 1], buffer[idx + 2], buffer[idx + 3], buffer[idx + 4], buffer[idx + 5], buffer[idx + 6], buffer[idx + 7]); idx += 8; } else { switch (buffer[idx + 0]) { case SEQ_WAIT: case SEQ_ECHO: break; case SEQ_MIDIPUTC: midReceiveChar(buffer[idx + 2], buffer[idx + 1], dwTime); break; default: TRACE("Unsupported event %d\n", buffer[idx + 0]); break; } idx += 4; } } } /************************************************************************** * midGetDevCaps [internal] */ static DWORD midGetDevCaps(WORD wDevID, LPMIDIINCAPSA lpCaps, DWORD dwSize) { TRACE("(%04X, %p, %08lX);\n", wDevID, lpCaps, dwSize); if (wDevID >= MIDM_NUMDEVS) return MMSYSERR_BADDEVICEID; if (lpCaps == NULL) return MMSYSERR_INVALPARAM; memcpy(lpCaps, midiInDevices[wDevID], min(dwSize, sizeof(*lpCaps))); return MMSYSERR_NOERROR; } /************************************************************************** * midOpen [internal] */ static DWORD midOpen(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags) { TRACE("(%04X, %p, %08lX);\n", wDevID, lpDesc, dwFlags); if (lpDesc == NULL) { WARN("Invalid Parameter !\n"); return MMSYSERR_INVALPARAM; } /* FIXME : * how to check that content of lpDesc is correct ? */ if (wDevID >= MAX_MIDIINDRV) { WARN("wDevID too large (%u) !\n", wDevID); return MMSYSERR_BADDEVICEID; } if (MidiInDev[wDevID].midiDesc != 0) { WARN("device already open !\n"); return MMSYSERR_ALLOCATED; } if ((dwFlags & MIDI_IO_STATUS) != 0) { WARN("No support for MIDI_IO_STATUS in dwFlags yet, ignoring it\n"); dwFlags &= ~MIDI_IO_STATUS; } if ((dwFlags & ~CALLBACK_TYPEMASK) != 0) { FIXME("Bad dwFlags\n"); return MMSYSERR_INVALFLAG; } if (midiOpenSeq() < 0) { return MMSYSERR_ERROR; } if (numStartedMidiIn++ == 0) { midiInTimerID = SetTimer(0, 0, 250, midTimeCallback); if (!midiInTimerID) { numStartedMidiIn = 0; WARN("Couldn't start timer for midi-in\n"); midiCloseSeq(); return MMSYSERR_ERROR; } TRACE("Starting timer (%u) for midi-in\n", midiInTimerID); } MidiInDev[wDevID].wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK); MidiInDev[wDevID].lpQueueHdr = NULL; MidiInDev[wDevID].dwTotalPlayed = 0; MidiInDev[wDevID].bufsize = 0x3FFF; MidiInDev[wDevID].midiDesc = lpDesc; MidiInDev[wDevID].state = 0; MidiInDev[wDevID].incLen = 0; MidiInDev[wDevID].startTime = 0; if (MIDI_NotifyClient(wDevID, MIM_OPEN, 0L, 0L) != MMSYSERR_NOERROR) { WARN("can't notify client !\n"); return MMSYSERR_INVALPARAM; } return MMSYSERR_NOERROR; } /************************************************************************** * midClose [internal] */ static DWORD midClose(WORD wDevID) { int ret = MMSYSERR_NOERROR; TRACE("(%04X);\n", wDevID); if (wDevID >= MAX_MIDIINDRV) { WARN("wDevID too big (%u) !\n", wDevID); return MMSYSERR_BADDEVICEID; } if (MidiInDev[wDevID].midiDesc == 0) { WARN("device not opened !\n"); return MMSYSERR_ERROR; } if (MidiInDev[wDevID].lpQueueHdr != 0) { return MIDIERR_STILLPLAYING; } if (midiSeqFD == -1) { WARN("ooops !\n"); return MMSYSERR_ERROR; } if (--numStartedMidiIn == 0) { TRACE("Stopping timer for midi-in\n"); if (!KillTimer(0, midiInTimerID)) { WARN("Couldn't stop timer for midi-in\n"); } midiInTimerID = 0; } midiCloseSeq(); MidiInDev[wDevID].bufsize = 0; if (MIDI_NotifyClient(wDevID, MIM_CLOSE, 0L, 0L) != MMSYSERR_NOERROR) { WARN("can't notify client !\n"); ret = MMSYSERR_INVALPARAM; } MidiInDev[wDevID].midiDesc = 0; return ret; } /************************************************************************** * midAddBuffer [internal] */ static DWORD midAddBuffer(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize) { TRACE("(%04X, %p, %08lX);\n", wDevID, lpMidiHdr, dwSize); if (lpMidiHdr == NULL) return MMSYSERR_INVALPARAM; if (sizeof(MIDIHDR) > dwSize) return MMSYSERR_INVALPARAM; if (lpMidiHdr->dwBufferLength == 0) return MMSYSERR_INVALPARAM; if (lpMidiHdr->dwFlags & MHDR_INQUEUE) return MIDIERR_STILLPLAYING; if (!(lpMidiHdr->dwFlags & MHDR_PREPARED)) return MIDIERR_UNPREPARED; if (MidiInDev[wDevID].lpQueueHdr == 0) { MidiInDev[wDevID].lpQueueHdr = lpMidiHdr; } else { LPMIDIHDR ptr; for (ptr = MidiInDev[wDevID].lpQueueHdr; ptr->lpNext != 0; ptr = (LPMIDIHDR)ptr->lpNext); ptr->lpNext = (struct midihdr_tag*)lpMidiHdr; } return MMSYSERR_NOERROR; } /************************************************************************** * midPrepare [internal] */ static DWORD midPrepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize) { TRACE("(%04X, %p, %08lX);\n", wDevID, lpMidiHdr, dwSize); if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 || lpMidiHdr->lpData == 0 || lpMidiHdr->dwFlags != 0 || lpMidiHdr->dwBufferLength >= 0x10000ul) return MMSYSERR_INVALPARAM; lpMidiHdr->lpNext = 0; lpMidiHdr->dwFlags |= MHDR_PREPARED; lpMidiHdr->dwBytesRecorded = 0; return MMSYSERR_NOERROR; } /************************************************************************** * midUnprepare [internal] */ static DWORD midUnprepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize) { TRACE("(%04X, %p, %08lX);\n", wDevID, lpMidiHdr, dwSize); if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 || lpMidiHdr->lpData == 0 || lpMidiHdr->dwBufferLength >= 0x10000ul) return MMSYSERR_INVALPARAM; if (!(lpMidiHdr->dwFlags & MHDR_PREPARED)) return MIDIERR_UNPREPARED; if (lpMidiHdr->dwFlags & MHDR_INQUEUE) return MIDIERR_STILLPLAYING; lpMidiHdr->dwFlags &= ~MHDR_PREPARED; return MMSYSERR_NOERROR; } /************************************************************************** * midReset [internal] */ static DWORD midReset(WORD wDevID) { DWORD dwTime = GetTickCount(); TRACE("(%04X);\n", wDevID); while (MidiInDev[wDevID].lpQueueHdr) { MidiInDev[wDevID].lpQueueHdr->dwFlags &= ~MHDR_INQUEUE; MidiInDev[wDevID].lpQueueHdr->dwFlags |= MHDR_DONE; /* FIXME: when called from 16 bit, lpQueueHdr needs to be a segmented ptr */ if (MIDI_NotifyClient(wDevID, MIM_LONGDATA, (DWORD)MidiInDev[wDevID].lpQueueHdr, dwTime) != MMSYSERR_NOERROR) { WARN("Couldn't notify client\n"); } MidiInDev[wDevID].lpQueueHdr = (LPMIDIHDR)MidiInDev[wDevID].lpQueueHdr->lpNext; } return MMSYSERR_NOERROR; } /************************************************************************** * midStart [internal] */ static DWORD midStart(WORD wDevID) { TRACE("(%04X);\n", wDevID); /* FIXME : should test value of wDevID */ MidiInDev[wDevID].state = 1; MidiInDev[wDevID].startTime = GetTickCount(); return MMSYSERR_NOERROR; } /************************************************************************** * midStop [internal] */ static DWORD midStop(WORD wDevID) { TRACE("(%04X);\n", wDevID); /* FIXME : should test value of wDevID */ MidiInDev[wDevID].state = 0; return MMSYSERR_NOERROR; } /*-----------------------------------------------------------------------*/ typedef struct sVoice { int note; /* 0 means not used */ int channel; unsigned cntMark : 30, status : 2; #define sVS_UNUSED 0 #define sVS_PLAYING 1 #define sVS_SUSTAINED 2 } sVoice; typedef struct sChannel { int program; int bender; int benderRange; /* controlers */ int bank; /* CTL_BANK_SELECT */ int volume; /* CTL_MAIN_VOLUME */ int balance; /* CTL_BALANCE */ int expression; /* CTL_EXPRESSION */ int sustain; /* CTL_SUSTAIN */ unsigned char nrgPmtMSB; /* Non register Parameters */ unsigned char nrgPmtLSB; unsigned char regPmtMSB; /* Non register Parameters */ unsigned char regPmtLSB; } sChannel; typedef struct sFMextra { unsigned counter; int drumSetMask; sChannel channel[16]; /* MIDI has only 16 channels */ sVoice voice[1]; /* dyn allocated according to sound card */ /* do not append fields below voice[1] since the size of this structure * depends on the number of available voices on the FM synth... */ } sFMextra; extern unsigned char midiFMInstrumentPatches[16 * 128]; extern unsigned char midiFMDrumsPatches [16 * 128]; /************************************************************************** * modFMLoad [internal] */ static int modFMLoad(int dev) { int i; struct sbi_instrument sbi; sbi.device = dev; sbi.key = FM_PATCH; memset(sbi.operators + 16, 0, 16); for (i = 0; i < 128; i++) { sbi.channel = i; memcpy(sbi.operators, midiFMInstrumentPatches + i * 16, 16); if (write(midiSeqFD, (char*)&sbi, sizeof(sbi)) == -1) { WARN("Couldn't write patch for instrument %d, errno %d (%s)!\n", sbi.channel, errno, strerror(errno)); return -1; } } for (i = 0; i < 128; i++) { sbi.channel = 128 + i; memcpy(sbi.operators, midiFMDrumsPatches + i * 16, 16); if (write(midiSeqFD, (char*)&sbi, sizeof(sbi)) == -1) { WARN("Couldn't write patch for drum %d, errno %d (%s)!\n", sbi.channel, errno, strerror(errno)); return -1; } } return 0; } /************************************************************************** * modFMReset [internal] */ static void modFMReset(WORD wDevID) { sFMextra* extra = (sFMextra*)MidiOutDev[wDevID].lpExtra; sVoice* voice = extra->voice; sChannel* channel = extra->channel; int i; for (i = 0; i < midiOutDevices[wDevID]->wVoices; i++) { if (voice[i].status != sVS_UNUSED) { SEQ_STOP_NOTE(wDevID, i, voice[i].note, 64); } SEQ_KEY_PRESSURE(wDevID, i, 127, 0); SEQ_CONTROL(wDevID, i, SEQ_VOLMODE, VOL_METHOD_LINEAR); voice[i].note = 0; voice[i].channel = -1; voice[i].cntMark = 0; voice[i].status = sVS_UNUSED; } for (i = 0; i < 16; i++) { channel[i].program = 0; channel[i].bender = 8192; channel[i].benderRange = 2; channel[i].bank = 0; channel[i].volume = 127; channel[i].balance = 64; channel[i].expression = 0; channel[i].sustain = 0; } extra->counter = 0; extra->drumSetMask = 1 << 9; /* channel 10 is normally drums, sometimes 16 also */ SEQ_DUMPBUF(); } #define IS_DRUM_CHANNEL(_xtra, _chn) ((_xtra)->drumSetMask & (1 << (_chn))) /************************************************************************** * modGetDevCaps [internal] */ static DWORD modGetDevCaps(WORD wDevID, LPMIDIOUTCAPSA lpCaps, DWORD dwSize) { TRACE("(%04X, %p, %08lX);\n", wDevID, lpCaps, dwSize); if (wDevID >= MODM_NUMDEVS) return MMSYSERR_BADDEVICEID; if (lpCaps == NULL) return MMSYSERR_INVALPARAM; memcpy(lpCaps, midiOutDevices[wDevID], min(dwSize, sizeof(*lpCaps))); return MMSYSERR_NOERROR; } /************************************************************************** * modOpen [internal] */ static DWORD modOpen(WORD wDevID, LPMIDIOPENDESC lpDesc, DWORD dwFlags) { TRACE("(%04X, %p, %08lX);\n", wDevID, lpDesc, dwFlags); if (lpDesc == NULL) { WARN("Invalid Parameter !\n"); return MMSYSERR_INVALPARAM; } if (wDevID >= MAX_MIDIOUTDRV) { TRACE("MAX_MIDIOUTDRV reached !\n"); return MMSYSERR_BADDEVICEID; } if (MidiOutDev[wDevID].midiDesc != 0) { WARN("device already open !\n"); return MMSYSERR_ALLOCATED; } if ((dwFlags & ~CALLBACK_TYPEMASK) != 0) { WARN("bad dwFlags\n"); return MMSYSERR_INVALFLAG; } if (midiOutDevices[wDevID] == NULL) { TRACE("un-allocated wDevID\n"); return MMSYSERR_BADDEVICEID; } MidiOutDev[wDevID].lpExtra = 0; switch (midiOutDevices[wDevID]->wTechnology) { case MOD_FMSYNTH: { void* extra = HeapAlloc(GetProcessHeap(), 0, sizeof(struct sFMextra) + sizeof(struct sVoice) * (midiOutDevices[wDevID]->wVoices - 1)); if (extra == 0) { WARN("can't alloc extra data !\n"); return MMSYSERR_NOMEM; } MidiOutDev[wDevID].lpExtra = extra; if (midiOpenSeq() < 0) { MidiOutDev[wDevID].lpExtra = 0; HeapFree(GetProcessHeap(), 0, extra); return MMSYSERR_ERROR; } if (modFMLoad(wDevID) < 0) { midiCloseSeq(); MidiOutDev[wDevID].lpExtra = 0; HeapFree(GetProcessHeap(), 0, extra); return MMSYSERR_ERROR; } modFMReset(wDevID); } break; case MOD_MIDIPORT: if (midiOpenSeq() < 0) { return MMSYSERR_ALLOCATED; } break; default: WARN("Technology not supported (yet) %d !\n", midiOutDevices[wDevID]->wTechnology); return MMSYSERR_NOTENABLED; } MidiOutDev[wDevID].wFlags = HIWORD(dwFlags & CALLBACK_TYPEMASK); MidiOutDev[wDevID].lpQueueHdr = NULL; MidiOutDev[wDevID].dwTotalPlayed = 0; MidiOutDev[wDevID].bufsize = 0x3FFF; MidiOutDev[wDevID].midiDesc = lpDesc; if (MIDI_NotifyClient(wDevID, MOM_OPEN, 0L, 0L) != MMSYSERR_NOERROR) { WARN("can't notify client !\n"); return MMSYSERR_INVALPARAM; } TRACE("Successful !\n"); return MMSYSERR_NOERROR; } /************************************************************************** * modClose [internal] */ static DWORD modClose(WORD wDevID) { int ret = MMSYSERR_NOERROR; TRACE("(%04X);\n", wDevID); if (MidiOutDev[wDevID].midiDesc == 0) { WARN("device not opened !\n"); return MMSYSERR_ERROR; } /* FIXME: should test that no pending buffer is still in the queue for * playing */ if (midiSeqFD == -1) { WARN("can't close !\n"); return MMSYSERR_ERROR; } switch (midiOutDevices[wDevID]->wTechnology) { case MOD_FMSYNTH: case MOD_MIDIPORT: midiCloseSeq(); break; default: WARN("Technology not supported (yet) %d !\n", midiOutDevices[wDevID]->wTechnology); return MMSYSERR_NOTENABLED; } if (MidiOutDev[wDevID].lpExtra != 0) { HeapFree(GetProcessHeap(), 0, MidiOutDev[wDevID].lpExtra); MidiOutDev[wDevID].lpExtra = 0; } MidiOutDev[wDevID].bufsize = 0; if (MIDI_NotifyClient(wDevID, MOM_CLOSE, 0L, 0L) != MMSYSERR_NOERROR) { WARN("can't notify client !\n"); ret = MMSYSERR_INVALPARAM; } MidiOutDev[wDevID].midiDesc = 0; return ret; } /************************************************************************** * modData [internal] */ static DWORD modData(WORD wDevID, DWORD dwParam) { WORD evt = LOBYTE(LOWORD(dwParam)); WORD d1 = HIBYTE(LOWORD(dwParam)); WORD d2 = LOBYTE(HIWORD(dwParam)); TRACE("(%04X, %08lX);\n", wDevID, dwParam); if (midiSeqFD == -1) { WARN("can't play !\n"); return MIDIERR_NODEVICE; } switch (midiOutDevices[wDevID]->wTechnology) { case MOD_FMSYNTH: /* FIXME: * - chorus depth controller is not used */ { sFMextra* extra = (sFMextra*)MidiOutDev[wDevID].lpExtra; sVoice* voice = extra->voice; sChannel* channel = extra->channel; int chn = (evt & 0x0F); int i, nv; switch (evt & 0xF0) { case MIDI_NOTEOFF: for (i = 0; i < midiOutDevices[wDevID]->wVoices; i++) { /* don't stop sustained notes */ if (voice[i].status == sVS_PLAYING && voice[i].channel == chn && voice[i].note == d1) { voice[i].status = sVS_UNUSED; SEQ_STOP_NOTE(wDevID, i, d1, d2); } } break; case MIDI_NOTEON: if (d2 == 0) { /* note off if velocity == 0 */ for (i = 0; i < midiOutDevices[wDevID]->wVoices; i++) { /* don't stop sustained notes */ if (voice[i].status == sVS_PLAYING && voice[i].channel == chn && voice[i].note == d1) { voice[i].status = sVS_UNUSED; SEQ_STOP_NOTE(wDevID, i, d1, 64); } } break; } /* finding out in this order : * - an empty voice * - if replaying the same note on the same channel * - the older voice (LRU) */ for (i = nv = 0; i < midiOutDevices[wDevID]->wVoices; i++) { if (voice[i].status == sVS_UNUSED || (voice[i].note == d1 && voice[i].channel == chn)) { nv = i; break; } if (voice[i].cntMark < voice[0].cntMark) { nv = i; } } TRACE( "playing on voice=%d, pgm=%d, pan=0x%02X, vol=0x%02X, " "bender=0x%02X, note=0x%02X, vel=0x%02X\n", nv, channel[chn].program, channel[chn].balance, channel[chn].volume, channel[chn].bender, d1, d2); SEQ_SET_PATCH(wDevID, nv, IS_DRUM_CHANNEL(extra, chn) ? (128 + d1) : channel[chn].program); SEQ_BENDER_RANGE(wDevID, nv, channel[chn].benderRange * 100); SEQ_BENDER(wDevID, nv, channel[chn].bender); SEQ_CONTROL(wDevID, nv, CTL_PAN, channel[chn].balance); SEQ_CONTROL(wDevID, nv, CTL_EXPRESSION, channel[chn].expression); #if 0 /* FIXME: does not really seem to work on my SB card and * screws everything up... so lay it down */ SEQ_CONTROL(wDevID, nv, CTL_MAIN_VOLUME, channel[chn].volume); #endif SEQ_START_NOTE(wDevID, nv, d1, d2); voice[nv].status = channel[chn].sustain ? sVS_SUSTAINED : sVS_PLAYING; voice[nv].note = d1; voice[nv].channel = chn; voice[nv].cntMark = extra->counter++; break; case MIDI_KEY_PRESSURE: for (i = 0; i < midiOutDevices[wDevID]->wVoices; i++) { if (voice[i].status != sVS_UNUSED && voice[i].channel == chn && voice[i].note == d1) { SEQ_KEY_PRESSURE(wDevID, i, d1, d2); } } break; case MIDI_CTL_CHANGE: switch (d1) { case CTL_BANK_SELECT: channel[chn].bank = d2; break; case CTL_MAIN_VOLUME: channel[chn].volume = d2; break; case CTL_PAN: channel[chn].balance = d2; break; case CTL_EXPRESSION: channel[chn].expression = d2; break; case CTL_SUSTAIN: channel[chn].sustain = d2; if (d2) { for (i = 0; i < midiOutDevices[wDevID]->wVoices; i++) { if (voice[i].status == sVS_PLAYING && voice[i].channel == chn) { voice[i].status = sVS_SUSTAINED; } } } else { for (i = 0; i < midiOutDevices[wDevID]->wVoices; i++) { if (voice[i].status == sVS_SUSTAINED && voice[i].channel == chn) { voice[i].status = sVS_UNUSED; SEQ_STOP_NOTE(wDevID, i, voice[i].note, 64); } } } break; case CTL_NONREG_PARM_NUM_LSB: channel[chn].nrgPmtLSB = d2; break; case CTL_NONREG_PARM_NUM_MSB: channel[chn].nrgPmtMSB = d2; break; case CTL_REGIST_PARM_NUM_LSB: channel[chn].regPmtLSB = d2; break; case CTL_REGIST_PARM_NUM_MSB: channel[chn].regPmtMSB = d2; break; case CTL_DATA_ENTRY: switch ((channel[chn].regPmtMSB << 8) | channel[chn].regPmtLSB) { case 0x0000: if (channel[chn].benderRange != d2) { channel[chn].benderRange = d2; for (i = 0; i < midiOutDevices[wDevID]->wVoices; i++) { if (voice[i].channel == chn) { SEQ_BENDER_RANGE(wDevID, i, channel[chn].benderRange); } } } break; case 0x7F7F: channel[chn].benderRange = 2; for (i = 0; i < midiOutDevices[wDevID]->wVoices; i++) { if (voice[i].channel == chn) { SEQ_BENDER_RANGE(wDevID, i, channel[chn].benderRange); } } break; default: TRACE("Data entry: regPmt=0x%02x%02x, nrgPmt=0x%02x%02x with %x\n", channel[chn].regPmtMSB, channel[chn].regPmtLSB, channel[chn].nrgPmtMSB, channel[chn].nrgPmtLSB, d2); break; } break; case 0x78: /* all sounds off */ /* FIXME: I don't know if I have to take care of the channel * for this control ? */ for (i = 0; i < midiOutDevices[wDevID]->wVoices; i++) { if (voice[i].status != sVS_UNUSED && voice[i].channel == chn) { voice[i].status = sVS_UNUSED; SEQ_STOP_NOTE(wDevID, i, voice[i].note, 64); } } break; case 0x7B: /* all notes off */ /* FIXME: I don't know if I have to take care of the channel * for this control ? */ for (i = 0; i < midiOutDevices[wDevID]->wVoices; i++) { if (voice[i].status == sVS_PLAYING && voice[i].channel == chn) { voice[i].status = sVS_UNUSED; SEQ_STOP_NOTE(wDevID, i, voice[i].note, 64); } } break; default: TRACE("Dropping MIDI control event 0x%02x(%02x) on channel %d\n", d1, d2, chn); break; } break; case MIDI_PGM_CHANGE: channel[chn].program = d1; break; case MIDI_CHN_PRESSURE: for (i = 0; i < midiOutDevices[wDevID]->wVoices; i++) { if (voice[i].status != sVS_UNUSED && voice[i].channel == chn) { SEQ_KEY_PRESSURE(wDevID, i, voice[i].note, d1); } } break; case MIDI_PITCH_BEND: channel[chn].bender = (d2 << 7) + d1; for (i = 0; i < midiOutDevices[wDevID]->wVoices; i++) { if (voice[i].channel == chn) { SEQ_BENDER(wDevID, i, channel[chn].bender); } } break; case MIDI_SYSTEM_PREFIX: switch (evt & 0x0F) { case 0x0F: /* Reset */ modFMReset(wDevID); break; default: WARN("Unsupported (yet) system event %02x\n", evt & 0x0F); } break; default: WARN("Internal error, shouldn't happen (event=%08x)\n", evt & 0xF0); return MMSYSERR_NOTENABLED; } } break; case MOD_MIDIPORT: { int dev = wDevID - MODM_NUMFMSYNTHDEVS; if (dev < 0) { WARN("Internal error on devID (%u) !\n", wDevID); return MIDIERR_NODEVICE; } switch (evt & 0xF0) { case MIDI_NOTEOFF: case MIDI_NOTEON: case MIDI_KEY_PRESSURE: case MIDI_CTL_CHANGE: case MIDI_PITCH_BEND: SEQ_MIDIOUT(dev, evt); SEQ_MIDIOUT(dev, d1); SEQ_MIDIOUT(dev, d2); break; case MIDI_PGM_CHANGE: case MIDI_CHN_PRESSURE: SEQ_MIDIOUT(dev, evt); SEQ_MIDIOUT(dev, d1); break; case MIDI_SYSTEM_PREFIX: switch (evt & 0x0F) { case 0x00: /* System Exclusive, don't do it on modData, * should require modLongData*/ case 0x01: /* Undefined */ case 0x04: /* Undefined. */ case 0x05: /* Undefined. */ case 0x07: /* End of Exclusive. */ case 0x09: /* Undefined. */ case 0x0D: /* Undefined. */ break; case 0x06: /* Tune Request */ case 0x08: /* Timing Clock. */ case 0x0A: /* Start. */ case 0x0B: /* Continue */ case 0x0C: /* Stop */ case 0x0E: /* Active Sensing. */ SEQ_MIDIOUT(dev, evt); break; case 0x0F: /* Reset */ /* SEQ_MIDIOUT(dev, evt); this other way may be better */ SEQ_MIDIOUT(dev, MIDI_SYSTEM_PREFIX); SEQ_MIDIOUT(dev, 0x7e); SEQ_MIDIOUT(dev, 0x7f); SEQ_MIDIOUT(dev, 0x09); SEQ_MIDIOUT(dev, 0x01); SEQ_MIDIOUT(dev, 0xf7); break; case 0x03: /* Song Select. */ SEQ_MIDIOUT(dev, evt); SEQ_MIDIOUT(dev, d1); case 0x02: /* Song Position Pointer. */ SEQ_MIDIOUT(dev, evt); SEQ_MIDIOUT(dev, d1); SEQ_MIDIOUT(dev, d2); } break; } } break; default: WARN("Technology not supported (yet) %d !\n", midiOutDevices[wDevID]->wTechnology); return MMSYSERR_NOTENABLED; } SEQ_DUMPBUF(); return MMSYSERR_NOERROR; } /************************************************************************** * modLongData [internal] */ static DWORD modLongData(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize) { int count; LPBYTE lpData; TRACE("(%04X, %p, %08lX);\n", wDevID, lpMidiHdr, dwSize); if (midiSeqFD == -1) { WARN("can't play !\n"); return MIDIERR_NODEVICE; } lpData = lpMidiHdr->lpData; if (lpData == NULL) return MIDIERR_UNPREPARED; if (!(lpMidiHdr->dwFlags & MHDR_PREPARED)) return MIDIERR_UNPREPARED; if (lpMidiHdr->dwFlags & MHDR_INQUEUE) return MIDIERR_STILLPLAYING; lpMidiHdr->dwFlags &= ~MHDR_DONE; lpMidiHdr->dwFlags |= MHDR_INQUEUE; /* FIXME: MS doc is not 100% clear. Will lpData only contain system exclusive * data, or can it also contain raw MIDI data, to be split up and sent to * modShortData() ? * If the latest is true, then the following WARNing will fire up */ if (lpData[0] != 0xF0 || lpData[lpMidiHdr->dwBufferLength - 1] != 0xF7) { WARN("Alledged system exclusive buffer is not correct\n\tPlease report with MIDI file\n"); } TRACE("dwBufferLength=%lu !\n", lpMidiHdr->dwBufferLength); TRACE(" %02X %02X %02X ... %02X %02X %02X\n", lpData[0], lpData[1], lpData[2], lpData[lpMidiHdr->dwBufferLength-3], lpData[lpMidiHdr->dwBufferLength-2], lpData[lpMidiHdr->dwBufferLength-1]); switch (midiOutDevices[wDevID]->wTechnology) { case MOD_FMSYNTH: /* FIXME: I don't think there is much to do here */ break; case MOD_MIDIPORT: if (lpData[0] != 0xF0) { /* Send end of System Exclusive */ SEQ_MIDIOUT(wDevID - MODM_NUMFMSYNTHDEVS, 0xF0); WARN("Adding missing 0xF0 marker at the begining of " "system exclusive byte stream\n"); } for (count = 0; count < lpMidiHdr->dwBytesRecorded; count++) { SEQ_MIDIOUT(wDevID - MODM_NUMFMSYNTHDEVS, lpData[count]); } if (lpData[count - 1] != 0xF7) { /* Send end of System Exclusive */ SEQ_MIDIOUT(wDevID - MODM_NUMFMSYNTHDEVS, 0xF7); WARN("Adding missing 0xF7 marker at the end of " "system exclusive byte stream\n"); } SEQ_DUMPBUF(); break; default: WARN("Technology not supported (yet) %d !\n", midiOutDevices[wDevID]->wTechnology); return MMSYSERR_NOTENABLED; } lpMidiHdr->dwFlags &= ~MHDR_INQUEUE; lpMidiHdr->dwFlags |= MHDR_DONE; if (MIDI_NotifyClient(wDevID, MOM_DONE, (DWORD)lpMidiHdr, 0L) != MMSYSERR_NOERROR) { WARN("can't notify client !\n"); return MMSYSERR_INVALPARAM; } return MMSYSERR_NOERROR; } /************************************************************************** * modPrepare [internal] */ static DWORD modPrepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize) { TRACE("(%04X, %p, %08lX);\n", wDevID, lpMidiHdr, dwSize); if (midiSeqFD == -1) { WARN("can't prepare !\n"); return MMSYSERR_NOTENABLED; } /* MS doc says taht dwFlags must be set to zero, but (kinda funny) MS mciseq drivers * asks to prepare MIDIHDR which dwFlags != 0. * So at least check for the inqueue flag */ if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0 || lpMidiHdr->lpData == 0 || (lpMidiHdr->dwFlags & MHDR_INQUEUE) != 0 || lpMidiHdr->dwBufferLength >= 0x10000ul) { WARN("%p %p %08lx %d/%ld\n", lpMidiHdr, lpMidiHdr->lpData, lpMidiHdr->dwFlags, sizeof(MIDIHDR), dwSize); return MMSYSERR_INVALPARAM; } lpMidiHdr->lpNext = 0; lpMidiHdr->dwFlags |= MHDR_PREPARED; lpMidiHdr->dwFlags &= ~MHDR_DONE; return MMSYSERR_NOERROR; } /************************************************************************** * modUnprepare [internal] */ static DWORD modUnprepare(WORD wDevID, LPMIDIHDR lpMidiHdr, DWORD dwSize) { TRACE("(%04X, %p, %08lX);\n", wDevID, lpMidiHdr, dwSize); if (midiSeqFD == -1) { WARN("can't unprepare !\n"); return MMSYSERR_NOTENABLED; } if (dwSize < sizeof(MIDIHDR) || lpMidiHdr == 0) return MMSYSERR_INVALPARAM; if (lpMidiHdr->dwFlags & MHDR_INQUEUE) return MIDIERR_STILLPLAYING; lpMidiHdr->dwFlags &= ~MHDR_PREPARED; return MMSYSERR_NOERROR; } /************************************************************************** * modReset [internal] */ static DWORD modReset(WORD wDevID) { unsigned chn; TRACE("(%04X);\n", wDevID); /* stop all notes */ /* FIXME: check if 0x78B0 is channel dependant or not. I coded it so that * it's channel dependent... */ for (chn = 0; chn < 16; chn++) { /* turn off every note */ modData(wDevID, 0x7800 | MIDI_CTL_CHANGE | chn); /* remove sustain on all channels */ modData(wDevID, (CTL_SUSTAIN << 8) | MIDI_CTL_CHANGE | chn); } /* FIXME: the LongData buffers must also be returned to the app */ return MMSYSERR_NOERROR; } #endif /* HAVE_OSS_MIDI */ /*======================================================================* * MIDI entry points * *======================================================================*/ /************************************************************************** * OSS_midMessage [sample driver] */ DWORD WINAPI OSS_midMessage(UINT wDevID, UINT wMsg, DWORD dwUser, DWORD dwParam1, DWORD dwParam2) { TRACE("(%04X, %04X, %08lX, %08lX, %08lX);\n", wDevID, wMsg, dwUser, dwParam1, dwParam2); switch (wMsg) { #ifdef HAVE_OSS_MIDI case DRVM_INIT: case DRVM_ENABLE: case DRVM_DISABLE: /* FIXME: Pretend this is supported */ return 0; case MIDM_OPEN: return midOpen(wDevID, (LPMIDIOPENDESC)dwParam1, dwParam2); case MIDM_CLOSE: return midClose(wDevID); case MIDM_ADDBUFFER: return midAddBuffer(wDevID, (LPMIDIHDR)dwParam1, dwParam2); case MIDM_PREPARE: return midPrepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2); case MIDM_UNPREPARE: return midUnprepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2); case MIDM_GETDEVCAPS: return midGetDevCaps(wDevID, (LPMIDIINCAPSA)dwParam1,dwParam2); case MIDM_GETNUMDEVS: return MIDM_NUMDEVS; case MIDM_RESET: return midReset(wDevID); case MIDM_START: return midStart(wDevID); case MIDM_STOP: return midStop(wDevID); #endif default: TRACE("Unsupported message\n"); } return MMSYSERR_NOTSUPPORTED; } /************************************************************************** * OSS_modMessage [sample driver] */ DWORD WINAPI OSS_modMessage(UINT wDevID, UINT wMsg, DWORD dwUser, DWORD dwParam1, DWORD dwParam2) { TRACE("(%04X, %04X, %08lX, %08lX, %08lX);\n", wDevID, wMsg, dwUser, dwParam1, dwParam2); switch (wMsg) { #ifdef HAVE_OSS_MIDI case DRVM_INIT: case DRVM_EXIT: case DRVM_ENABLE: case DRVM_DISABLE: /* FIXME: Pretend this is supported */ return 0; case MODM_OPEN: return modOpen(wDevID, (LPMIDIOPENDESC)dwParam1, dwParam2); case MODM_CLOSE: return modClose(wDevID); case MODM_DATA: return modData(wDevID, dwParam1); case MODM_LONGDATA: return modLongData(wDevID, (LPMIDIHDR)dwParam1, dwParam2); case MODM_PREPARE: return modPrepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2); case MODM_UNPREPARE: return modUnprepare(wDevID, (LPMIDIHDR)dwParam1, dwParam2); case MODM_GETDEVCAPS: return modGetDevCaps(wDevID, (LPMIDIOUTCAPSA)dwParam1, dwParam2); case MODM_GETNUMDEVS: return MODM_NUMDEVS; case MODM_GETVOLUME: return 0; case MODM_SETVOLUME: return 0; case MODM_RESET: return modReset(wDevID); #endif default: TRACE("Unsupported message\n"); } return MMSYSERR_NOTSUPPORTED; } /*-----------------------------------------------------------------------*/