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Sweden-Number/multimedia/midi.c

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/* -*- 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 <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include "winuser.h"
#include "mmddk.h"
#include "oss.h"
#include "driver.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
*/
static 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(SystemHeap, 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=%Xh\n",
sinfo.synth_subtype, 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 failed.\n");
midiCloseSeq();
return TRUE;
}
tmplpOutCaps = HeapAlloc(SystemHeap, 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(SystemHeap, 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=%d\n",
minfo.dev_type, 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;
}
/**************************************************************************
* midiOpenSeq [internal]
*/
static int midiOpenSeq(void)
{
if (numOpenMidiSeq == 0) {
midiSeqFD = open(MIDI_SEQ, O_RDWR, 0);
if (midiSeqFD == -1) {
/* don't bark when we're facing a config without midi driver available */
if (errno != ENODEV && errno != ENXIO) {
ERR("can't open '%s' ! (%d)\n", MIDI_SEQ, errno);
} else {
TRACE("No midi device present\n");
}
return -1;
}
if (fcntl(midiSeqFD, F_SETFL, O_NONBLOCK) < 0) {
WARN("can't set sequencer fd to non blocking (%d)\n", 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/%d)!\n",
midiSeqFD, 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 % 4) != 0) {
WARN("bad length %d (%d)\n", len, 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)
{
LPMIDIINCAPSA tmplpCaps;
TRACE("(%04X, %p, %08lX);\n", wDevID, lpCaps, dwSize);
if (wDevID >= MIDM_NUMDEVS) {
return MMSYSERR_BADDEVICEID;
}
if (lpCaps == NULL) {
return MMSYSERR_INVALPARAM;
}
tmplpCaps = midiInDevices[wDevID];
lpCaps->wMid = tmplpCaps->wMid;
lpCaps->wPid = tmplpCaps->wPid;
lpCaps->vDriverVersion = tmplpCaps->vDriverVersion;
strcpy(lpCaps->szPname, tmplpCaps->szPname);
if (dwSize == sizeof(MIDIINCAPSA)) {
/* we should run win 95, so make use of dwSupport */
lpCaps->dwSupport = tmplpCaps->dwSupport;
} else if (dwSize != sizeof(MIDIINCAPSA) - sizeof(DWORD)) {
TRACE("bad size for lpCaps\n");
return MMSYSERR_INVALPARAM;
}
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 & ~CALLBACK_TYPEMASK) != 0) {
FIXME("No support for MIDI_IO_STATUS in 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 bif (%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 (%d)!\n", sbi.channel, 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 (%d)!\n", sbi.channel, 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 == (WORD) MIDI_MAPPER) {
lpCaps->wMid = 0x00FF; /* Manufac ID */
lpCaps->wPid = 0x0001; /* Product ID */
lpCaps->vDriverVersion = 0x001; /* Product Version */
strcpy(lpCaps->szPname, "MIDI Mapper (not functional yet)");
/* FIXME Does it make any difference ? */
lpCaps->wTechnology = MOD_FMSYNTH;
lpCaps->wVoices = 14; /* FIXME */
lpCaps->wNotes = 14; /* FIXME */
/* FIXME Does it make any difference ? */
lpCaps->dwSupport = MIDICAPS_VOLUME|MIDICAPS_LRVOLUME;
} else {
LPMIDIOUTCAPSA tmplpCaps;
if (wDevID >= MODM_NUMDEVS) {
TRACE("MAX_MIDIOUTDRV reached !\n");
return MMSYSERR_BADDEVICEID;
}
/* FIXME There is a way to do it so easily, but I'm too
* sleepy to think and I want to test
*/
tmplpCaps = midiOutDevices[wDevID];
lpCaps->wMid = tmplpCaps->wMid;
lpCaps->wPid = tmplpCaps->wPid;
lpCaps->vDriverVersion = tmplpCaps->vDriverVersion;
strcpy(lpCaps->szPname, tmplpCaps->szPname);
lpCaps->wTechnology = tmplpCaps->wTechnology;
lpCaps->wVoices = tmplpCaps->wVoices;
lpCaps->wNotes = tmplpCaps->wNotes;
lpCaps->dwSupport = tmplpCaps->dwSupport;
}
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("Succesful !\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:
OSS_MidiInit();
/* fall thru */
case DRVM_EXIT:
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:
OSS_MidiInit();
/* fall thru */
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;
}
/*-----------------------------------------------------------------------*/
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