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Sweden-Number/dlls/wineoss.drv/ossmidi.c

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/*
* MIDI driver for OSS (unixlib)
*
* Copyright 1994 Martin Ayotte
* Copyright 1998 Luiz Otavio L. Zorzella (init procedures)
* Copyright 1998, 1999 Eric POUECH
* Copyright 2022 Huw Davies
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#if 0
#pragma makedep unix
#endif
#include "config.h"
#include <stdarg.h>
#include <string.h>
#include <stdio.h>
#include <stdint.h>
#include <time.h>
#include <unistd.h>
#include <poll.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/soundcard.h>
#include <pthread.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "winternl.h"
#include "audioclient.h"
#include "mmddk.h"
#include "wine/debug.h"
#include "wine/unixlib.h"
#include "unixlib.h"
struct midi_dest
{
BOOL bEnabled;
MIDIOPENDESC midiDesc;
WORD wFlags;
MIDIHDR *lpQueueHdr;
void *lpExtra; /* according to port type (MIDI, FM...), extra data when needed */
MIDIOUTCAPSW caps;
int fd;
};
struct midi_src
{
int state; /* -1 disabled, 0 is no recording started, 1 in recording, bit 2 set if in sys exclusive recording */
MIDIOPENDESC midiDesc;
WORD wFlags;
MIDIHDR *lpQueueHdr;
unsigned char incoming[3];
unsigned char incPrev;
char incLen;
UINT startTime;
MIDIINCAPSW caps;
int fd;
};
static pthread_mutex_t in_buffer_mutex = PTHREAD_MUTEX_INITIALIZER;
static unsigned int num_dests, num_srcs, num_synths, seq_refs;
static struct midi_dest dests[MAX_MIDIOUTDRV];
static struct midi_src srcs[MAX_MIDIINDRV];
static int load_count;
static unsigned int num_midi_in_started;
static int rec_cancel_pipe[2];
static pthread_t rec_thread_id;
static pthread_mutex_t notify_mutex = PTHREAD_MUTEX_INITIALIZER;
static pthread_cond_t notify_read_cond = PTHREAD_COND_INITIALIZER;
static pthread_cond_t notify_write_cond = PTHREAD_COND_INITIALIZER;
static BOOL notify_quit;
#define NOTIFY_BUFFER_SIZE 64 + 1 /* + 1 for the sentinel */
static struct notify_context notify_buffer[NOTIFY_BUFFER_SIZE];
static struct notify_context *notify_read = notify_buffer, *notify_write = notify_buffer;
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;
/* controllers */
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;
#define IS_DRUM_CHANNEL(_xtra, _chn) ((_xtra)->drumSetMask & (1 << (_chn)))
WINE_DEFAULT_DEBUG_CHANNEL(midi);
static int oss_to_win_device_type(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
* MOD_WAVETABLE hardware wavetable internal synth
* MOD_SWSYNTH software internal synth
*/
/* 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;
}
}
static void in_buffer_lock(void)
{
pthread_mutex_lock(&in_buffer_mutex);
}
static void in_buffer_unlock(void)
{
pthread_mutex_unlock(&in_buffer_mutex);
}
static uint64_t get_time_msec(void)
{
struct timespec now = {0, 0};
#ifdef CLOCK_MONOTONIC_RAW
if (!clock_gettime(CLOCK_MONOTONIC_RAW, &now))
return (uint64_t)now.tv_sec * 1000 + now.tv_nsec / 1000000;
#endif
clock_gettime(CLOCK_MONOTONIC, &now);
return (uint64_t)now.tv_sec * 1000 + now.tv_nsec / 1000000;
}
/*
* notify buffer: The notification ring buffer is implemented so that
* there is always at least one unused sentinel before the current
* read position in order to allow detection of the full vs empty
* state.
*/
static struct notify_context *notify_buffer_next(struct notify_context *notify)
{
if (++notify >= notify_buffer + ARRAY_SIZE(notify_buffer))
notify = notify_buffer;
return notify;
}
static BOOL notify_buffer_empty(void)
{
return notify_read == notify_write;
}
static BOOL notify_buffer_full(void)
{
return notify_buffer_next(notify_write) == notify_read;
}
static BOOL notify_buffer_add(struct notify_context *notify)
{
if (notify_buffer_full()) return FALSE;
*notify_write = *notify;
notify_write = notify_buffer_next(notify_write);
return TRUE;
}
static BOOL notify_buffer_remove(struct notify_context *notify)
{
if (notify_buffer_empty()) return FALSE;
*notify = *notify_read;
notify_read = notify_buffer_next(notify_read);
return TRUE;
}
static void notify_post(struct notify_context *notify)
{
pthread_mutex_lock(&notify_mutex);
if (notify)
{
while (notify_buffer_full())
pthread_cond_wait(&notify_write_cond, &notify_mutex);
notify_buffer_add(notify);
}
else notify_quit = TRUE;
pthread_cond_signal(&notify_read_cond);
pthread_mutex_unlock(&notify_mutex);
}
static void set_in_notify(struct notify_context *notify, struct midi_src *src, WORD dev_id, WORD msg,
UINT_PTR param_1, UINT_PTR param_2)
{
notify->send_notify = TRUE;
notify->dev_id = dev_id;
notify->msg = msg;
notify->param_1 = param_1;
notify->param_2 = param_2;
notify->callback = src->midiDesc.dwCallback;
notify->flags = src->wFlags;
notify->device = src->midiDesc.hMidi;
notify->instance = src->midiDesc.dwInstance;
}
static int seq_open(void)
{
static int midi_warn = 1;
static int fd = -1;
if (seq_refs <= 0)
{
const char* device = getenv("MIDIDEV");
if (!device) device = "/dev/sequencer";
fd = open(device, O_RDWR, 0);
if (fd == -1)
{
if (midi_warn)
{
WARN("Can't open MIDI device '%s' ! (%s). If your program needs this (probably not): %s\n",
device, 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;
}
fcntl(fd, F_SETFD, 1); /* set close on exec flag */
ioctl(fd, SNDCTL_SEQ_RESET);
}
seq_refs++;
return fd;
}
static int seq_close(int fd)
{
if (--seq_refs == 0)
close(fd);
return 0;
}
static UINT midi_init(void)
{
int i, status, synth_devs = 255, midi_devs = 255, fd, len;
struct synth_info sinfo;
struct midi_info minfo;
struct midi_dest *dest;
struct midi_src *src;
TRACE("(%i)\n", load_count);
if (load_count++)
return 1;
/* try to open device */
fd = seq_open();
if (fd == -1)
return -1;
/* find how many Synth devices are there in the system */
status = ioctl(fd, SNDCTL_SEQ_NRSYNTHS, &synth_devs);
if (status == -1)
{
ERR("ioctl for nr synth failed.\n");
seq_close(fd);
return -1;
}
if (synth_devs > MAX_MIDIOUTDRV)
{
ERR("MAX_MIDIOUTDRV (%d) was enough for the number of devices (%d). "
"Some FM devices will not be available.\n", MAX_MIDIOUTDRV, synth_devs);
synth_devs = MAX_MIDIOUTDRV;
}
for (i = 0, dest = dests; i < synth_devs; i++, dest++)
{
/* 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.
*/
dest->caps.wMid = 0x00FF;
dest->caps.wPid = 0x0001; /* FIXME Product ID */
/* Product Version. We simply say "1" */
dest->caps.vDriverVersion = 0x001;
/* The following are mandatory for MOD_MIDIPORT */
dest->caps.wChannelMask = 0xFFFF;
dest->caps.wVoices = 0;
dest->caps.wNotes = 0;
dest->caps.dwSupport = 0;
sinfo.device = i;
status = ioctl(fd, SNDCTL_SYNTH_INFO, &sinfo);
if (status == -1)
{
char buf[255];
ERR("ioctl for synth info failed on %d, disabling it.\n", i);
sprintf(buf, "Wine OSS Midi Out #%d disabled", i);
len = ntdll_umbstowcs(buf, strlen(buf) + 1, dest->caps.szPname, ARRAY_SIZE(dest->caps.szPname));
dest->caps.szPname[len - 1] = '\0';
dest->caps.wTechnology = MOD_MIDIPORT;
dest->bEnabled = FALSE;
}
else
{
len = ntdll_umbstowcs(sinfo.name, strlen(sinfo.name) + 1, dest->caps.szPname, ARRAY_SIZE(dest->caps.szPname));
dest->caps.szPname[len - 1] = '\0';
dest->caps.wTechnology = oss_to_win_device_type(sinfo.synth_type);
if (dest->caps.wTechnology != MOD_MIDIPORT)
{
/* FIXME Do we have this information?
* Assuming the soundcards can handle
* MIDICAPS_VOLUME and MIDICAPS_LRVOLUME but
* not MIDICAPS_CACHE.
*/
dest->caps.dwSupport = MIDICAPS_VOLUME | MIDICAPS_LRVOLUME;
dest->caps.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
*/
dest->caps.wNotes = sinfo.nr_voices;
}
dest->bEnabled = TRUE;
/* We also have the information sinfo.synth_subtype, not used here
*/
if (sinfo.capabilities & SYNTH_CAP_INPUT)
FIXME("Synthesizer supports MIDI in. Not yet supported.\n");
TRACE("SynthOut[%d]\tOSS info: synth type=%d/%d capa=%lx\n",
i, sinfo.synth_type, sinfo.synth_subtype, (long)sinfo.capabilities);
}
TRACE("SynthOut[%d]\tname='%s' techn=%d voices=%d notes=%d chnMsk=%04x support=%d\n",
i, wine_dbgstr_w(dest->caps.szPname), dest->caps.wTechnology,
dest->caps.wVoices, dest->caps.wNotes, dest->caps.wChannelMask, dest->caps.dwSupport);
}
/* find how many MIDI devices are there in the system */
status = ioctl(fd, SNDCTL_SEQ_NRMIDIS, &midi_devs);
if (status == -1)
{
ERR("ioctl on nr midi failed.\n");
midi_devs = 0;
goto wrapup;
}
/* FIXME: the two restrictions below could be loosened in some cases */
if (synth_devs + midi_devs > MAX_MIDIOUTDRV)
{
ERR("MAX_MIDIOUTDRV was not enough for the number of devices. "
"Some MIDI devices will not be available.\n");
midi_devs = MAX_MIDIOUTDRV - synth_devs;
}
if (midi_devs > 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, midi_devs);
midi_devs = MAX_MIDIINDRV;
}
dest = dests + synth_devs;
src = srcs;
for (i = 0; i < midi_devs; i++, dest++, src++)
{
minfo.device = i;
status = ioctl(fd, SNDCTL_MIDI_INFO, &minfo);
if (status == -1) WARN("ioctl on midi info for device %d failed.\n", i);
/* Manufacturer 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
*/
dest->caps.wMid = 0x00FF;
dest->caps.wPid = 0x0001; /* FIXME Product ID */
/* Product Version. We simply say "1" */
dest->caps.vDriverVersion = 0x001;
if (status == -1)
{
char buf[255];
sprintf(buf, "Wine OSS Midi Out #%d disabled", synth_devs + i);
len = ntdll_umbstowcs(buf, strlen(buf) + 1, dest->caps.szPname, ARRAY_SIZE(dest->caps.szPname));
dest->caps.szPname[len - 1] = '\0';
dest->bEnabled = FALSE;
}
else
{
len = ntdll_umbstowcs(minfo.name, strlen(minfo.name) + 1, dest->caps.szPname, ARRAY_SIZE(dest->caps.szPname));
dest->caps.szPname[len - 1] = '\0';
dest->bEnabled = TRUE;
}
dest->caps.wTechnology = MOD_MIDIPORT;
dest->caps.wVoices = 0;
dest->caps.wNotes = 0;
dest->caps.wChannelMask = 0xFFFF;
dest->caps.dwSupport = 0;
/* 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 */
src->caps.wMid = 0x00FF;
src->caps.wPid = 0x0001; /* FIXME Product ID */
/* Product Version. We simply say "1" */
src->caps.vDriverVersion = 0x001;
if (status == -1)
{
char buf[ARRAY_SIZE(dest->caps.szPname)];
sprintf(buf, "Wine OSS Midi In #%d disabled", synth_devs + i);
len = ntdll_umbstowcs(buf, strlen(buf) + 1, src->caps.szPname, ARRAY_SIZE(src->caps.szPname));
src->caps.szPname[len - 1] = '\0';
src->state = -1;
}
else
{
len = ntdll_umbstowcs(minfo.name, strlen(minfo.name) + 1, src->caps.szPname, ARRAY_SIZE(src->caps.szPname));
src->caps.szPname[len - 1] = '\0';
src->state = 0;
}
src->caps.dwSupport = 0; /* mandatory with MIDIINCAPS */
TRACE("OSS info: midi[%d] dev-type=%d capa=%lx\n"
"\tMidiOut[%d] name='%s' techn=%d voices=%d notes=%d chnMsk=%04x support=%d\n"
"\tMidiIn [%d] name='%s' support=%d\n",
i, minfo.dev_type, (long)minfo.capabilities,
synth_devs + i, wine_dbgstr_w(dest->caps.szPname), dest->caps.wTechnology,
dest->caps.wVoices, dest->caps.wNotes, dest->caps.wChannelMask, dest->caps.dwSupport,
i, wine_dbgstr_w(src->caps.szPname), src->caps.dwSupport);
}
wrapup:
/* windows does not seem to differentiate Synth from MIDI devices */
num_synths = synth_devs;
num_dests = synth_devs + midi_devs;
num_srcs = midi_devs;
/* close file and exit */
seq_close(fd);
return 0;
}
static UINT midi_exit(void)
{
TRACE("(%i)\n", load_count);
if (--load_count)
return 1;
return 0;
}
NTSTATUS midi_release(void *args)
{
/* stop the notify_wait thread */
notify_post(NULL);
return STATUS_SUCCESS;
}
/* 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]
*
* Used by SEQ_DUMPBUF to flush the buffer.
*
*/
void seqbuf_dump(void)
{
int fd;
/* The device is already open, but there's no way to pass the
fd to this function. Rather than rely on a global variable
we pretend to open the seq again. */
fd = seq_open();
if (_seqbufptr)
{
if (write(fd, _seqbuf, _seqbufptr) == -1)
{
WARN("Can't write data to sequencer %d, errno %d (%s)!\n",
fd, errno, strerror(errno));
}
/* FIXME: In any case buffer is lost so that if many errors occur the buffer
* will not overrun */
_seqbufptr = 0;
}
seq_close(fd);
}
extern const unsigned char midiFMInstrumentPatches[16 * 128];
extern const unsigned char midiFMDrumsPatches[16 * 128];
static int midi_out_fm_load(WORD dev_id, int fd)
{
struct sbi_instrument sbi;
int i;
sbi.device = dev_id;
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(fd, &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(fd, &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;
}
static void midi_out_fm_reset(WORD dev_id)
{
struct midi_dest *dest = dests + dev_id;
sFMextra *extra = dest->lpExtra;
sVoice *voice = extra->voice;
sChannel *channel = extra->channel;
int i;
for (i = 0; i < dest->caps.wVoices; i++)
{
if (voice[i].status != sVS_UNUSED)
SEQ_STOP_NOTE(dev_id, i, voice[i].note, 64);
SEQ_KEY_PRESSURE(dev_id, i, 127, 0);
SEQ_CONTROL(dev_id, 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();
}
static void set_out_notify(struct notify_context *notify, struct midi_dest *dest, WORD dev_id, WORD msg,
UINT_PTR param_1, UINT_PTR param_2)
{
notify->send_notify = TRUE;
notify->dev_id = dev_id;
notify->msg = msg;
notify->param_1 = param_1;
notify->param_2 = param_2;
notify->callback = dest->midiDesc.dwCallback;
notify->flags = dest->wFlags;
notify->device = dest->midiDesc.hMidi;
notify->instance = dest->midiDesc.dwInstance;
}
static UINT midi_out_open(WORD dev_id, MIDIOPENDESC *midi_desc, UINT flags, struct notify_context *notify)
{
struct midi_dest *dest;
int fd = -1;
TRACE("(%04X, %p, %08X);\n", dev_id, midi_desc, flags);
if (midi_desc == NULL)
{
WARN("Invalid Parameter !\n");
return MMSYSERR_INVALPARAM;
}
if (dev_id >= num_dests)
{
TRACE("MAX_MIDIOUTDRV reached !\n");
return MMSYSERR_BADDEVICEID;
}
dest = dests + dev_id;
if (dest->midiDesc.hMidi != 0)
{
WARN("device already open !\n");
return MMSYSERR_ALLOCATED;
}
if (!dest->bEnabled)
{
WARN("device disabled !\n");
return MIDIERR_NODEVICE;
}
if ((flags & ~CALLBACK_TYPEMASK) != 0)
{
WARN("bad flags\n");
return MMSYSERR_INVALFLAG;
}
dest->lpExtra = NULL;
switch (dest->caps.wTechnology)
{
case MOD_FMSYNTH:
{
void *extra;
extra = malloc(offsetof(struct sFMextra, voice[dest->caps.wVoices]));
if (!extra)
{
WARN("can't alloc extra data !\n");
return MMSYSERR_NOMEM;
}
dest->lpExtra = extra;
fd = seq_open();
if (fd < 0)
{
dest->lpExtra = NULL;
free(extra);
return MMSYSERR_ERROR;
}
if (midi_out_fm_load(dev_id, fd) < 0)
{
seq_close(fd);
dest->lpExtra = NULL;
free(extra);
return MMSYSERR_ERROR;
}
midi_out_fm_reset(dev_id);
break;
}
case MOD_MIDIPORT:
case MOD_SYNTH:
fd = seq_open();
if (fd < 0)
return MMSYSERR_ALLOCATED;
break;
default:
WARN("Technology not supported (yet) %d !\n", dest->caps.wTechnology);
return MMSYSERR_NOTENABLED;
}
dest->wFlags = HIWORD(flags & CALLBACK_TYPEMASK);
dest->lpQueueHdr= NULL;
dest->midiDesc = *midi_desc;
dest->fd = fd;
set_out_notify(notify, dest, dev_id, MOM_OPEN, 0, 0);
TRACE("Successful !\n");
return MMSYSERR_NOERROR;
}
static UINT midi_out_close(WORD dev_id, struct notify_context *notify)
{
struct midi_dest *dest;
TRACE("(%04X);\n", dev_id);
if (dev_id >= num_dests)
{
TRACE("MAX_MIDIOUTDRV reached !\n");
return MMSYSERR_BADDEVICEID;
}
dest = dests + dev_id;
if (dest->midiDesc.hMidi == 0)
{
WARN("device not opened !\n");
return MMSYSERR_ERROR;
}
/* FIXME: should test that no pending buffer is still in the queue for
* playing */
if (dest->fd == -1)
{
WARN("can't close !\n");
return MMSYSERR_ERROR;
}
switch (dest->caps.wTechnology)
{
case MOD_FMSYNTH:
case MOD_SYNTH:
case MOD_MIDIPORT:
seq_close(dest->fd);
break;
default:
WARN("Technology not supported (yet) %d !\n", dest->caps.wTechnology);
return MMSYSERR_NOTENABLED;
}
free(dest->lpExtra);
dest->lpExtra = NULL;
dest->fd = -1;
set_out_notify(notify, dest, dev_id, MOM_CLOSE, 0, 0);
dest->midiDesc.hMidi = 0;
return MMSYSERR_NOERROR;
}
static UINT midi_out_fm_data(WORD dev_id, UINT data)
{
struct midi_dest *dest = dests + dev_id;
WORD evt = LOBYTE(LOWORD(data));
WORD d1 = HIBYTE(LOWORD(data));
WORD d2 = LOBYTE(HIWORD(data));
sFMextra *extra = dest->lpExtra;
sVoice *voice = extra->voice;
sChannel *channel = extra->channel;
int chn = (evt & 0x0F), i, nv;
/* FIXME: chorus depth controller is not used */
switch (evt & 0xF0)
{
case MIDI_NOTEOFF:
for (i = 0; i < dest->caps.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(dev_id, i, d1, d2);
}
}
break;
case MIDI_NOTEON:
if (d2 == 0) /* note off if velocity == 0 */
{
for (i = 0; i < dest->caps.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(dev_id, 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 < dest->caps.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(dev_id, nv, IS_DRUM_CHANNEL(extra, chn) ?
(128 + d1) : channel[chn].program);
SEQ_BENDER_RANGE(dev_id, nv, channel[chn].benderRange * 100);
SEQ_BENDER(dev_id, nv, channel[chn].bender);
SEQ_CONTROL(dev_id, nv, CTL_PAN, channel[chn].balance);
SEQ_CONTROL(dev_id, nv, CTL_EXPRESSION, channel[chn].expression);
SEQ_START_NOTE(dev_id, 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 < dest->caps.wVoices; i++)
if (voice[i].status != sVS_UNUSED && voice[i].channel == chn && voice[i].note == d1)
SEQ_KEY_PRESSURE(dev_id, 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 < dest->caps.wVoices; i++)
if (voice[i].status == sVS_PLAYING && voice[i].channel == chn)
voice[i].status = sVS_SUSTAINED;
}
else
{
for (i = 0; i < dest->caps.wVoices; i++)
{
if (voice[i].status == sVS_SUSTAINED && voice[i].channel == chn)
{
voice[i].status = sVS_UNUSED;
SEQ_STOP_NOTE(dev_id, 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 < dest->caps.wVoices; i++)
if (voice[i].channel == chn)
SEQ_BENDER_RANGE(dev_id, i, channel[chn].benderRange);
}
break;
case 0x7F7F:
channel[chn].benderRange = 2;
for (i = 0; i < dest->caps.wVoices; i++)
if (voice[i].channel == chn)
SEQ_BENDER_RANGE(dev_id, 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 < dest->caps.wVoices; i++)
{
if (voice[i].status != sVS_UNUSED && voice[i].channel == chn)
{
voice[i].status = sVS_UNUSED;
SEQ_STOP_NOTE(dev_id, 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 < dest->caps.wVoices; i++)
{
if (voice[i].status == sVS_PLAYING && voice[i].channel == chn)
{
voice[i].status = sVS_UNUSED;
SEQ_STOP_NOTE(dev_id, 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 < dest->caps.wVoices; i++)
if (voice[i].status != sVS_UNUSED && voice[i].channel == chn)
SEQ_KEY_PRESSURE(dev_id, i, voice[i].note, d1);
break;
case MIDI_PITCH_BEND:
channel[chn].bender = (d2 << 7) + d1;
for (i = 0; i < dest->caps.wVoices; i++)
if (voice[i].channel == chn)
SEQ_BENDER(dev_id, i, channel[chn].bender);
break;
case MIDI_SYSTEM_PREFIX:
switch (evt & 0x0F)
{
case 0x0F: /* Reset */
midi_out_fm_reset(dev_id);
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;
}
SEQ_DUMPBUF();
return MMSYSERR_NOERROR;
}
static UINT midi_out_port_data(WORD dev_id, UINT data)
{
WORD evt = LOBYTE(LOWORD(data));
WORD d1 = HIBYTE(LOWORD(data));
WORD d2 = LOBYTE(HIWORD(data));
int dev = dev_id - num_synths;
if (dev < 0)
{
WARN("Internal error on devID (%u) !\n", dev_id);
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 MODM_DATA, should require MODM_LONGDATA */
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, 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 0x01: /* MTC Quarter frame */
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;
}
SEQ_DUMPBUF();
return MMSYSERR_NOERROR;
}
static UINT midi_out_data(WORD dev_id, UINT data)
{
struct midi_dest *dest;
TRACE("(%04X, %08X);\n", dev_id, data);
if (dev_id >= num_dests) return MMSYSERR_BADDEVICEID;
dest = dests + dev_id;
if (!dest->bEnabled) return MIDIERR_NODEVICE;
if (dest->fd == -1)
{
WARN("can't play !\n");
return MIDIERR_NODEVICE;
}
switch (dest->caps.wTechnology)
{
case MOD_FMSYNTH:
return midi_out_fm_data(dev_id, data);
case MOD_MIDIPORT:
return midi_out_port_data(dev_id, data);
}
WARN("Technology not supported (yet) %d !\n", dest->caps.wTechnology);
return MMSYSERR_NOTENABLED;
}
static UINT midi_out_long_data(WORD dev_id, MIDIHDR *hdr, UINT hdr_size, struct notify_context *notify)
{
struct midi_dest *dest;
BYTE *data;
unsigned int count;
TRACE("(%04X, %p, %08X);\n", dev_id, hdr, hdr_size);
/* Note: MS doc does not say much about the dwBytesRecorded member of the MIDIHDR structure
* but it seems to be used only for midi input.
* Taking a look at the WAVEHDR structure (which is quite similar) confirms this assumption.
*/
if (dev_id >= num_dests) return MMSYSERR_BADDEVICEID;
dest = dests + dev_id;
if (!dest->bEnabled) return MIDIERR_NODEVICE;
if (dest->fd == -1)
{
WARN("can't play !\n");
return MIDIERR_NODEVICE;
}
data = (BYTE *)hdr->lpData;
if (data == NULL)
return MIDIERR_UNPREPARED;
if (!(hdr->dwFlags & MHDR_PREPARED))
return MIDIERR_UNPREPARED;
if (hdr->dwFlags & MHDR_INQUEUE)
return MIDIERR_STILLPLAYING;
hdr->dwFlags &= ~MHDR_DONE;
hdr->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 latter is true, then the following WARNing will fire up
*/
if (data[0] != 0xF0 || data[hdr->dwBufferLength - 1] != 0xF7)
WARN("The allegedly system exclusive buffer is not correct\n\tPlease report with MIDI file\n");
TRACE("dwBufferLength=%u !\n", hdr->dwBufferLength);
TRACE(" %02X %02X %02X ... %02X %02X %02X\n",
data[0], data[1], data[2], data[hdr->dwBufferLength - 3],
data[hdr->dwBufferLength - 2], data[hdr->dwBufferLength - 1]);
switch (dest->caps.wTechnology)
{
case MOD_FMSYNTH:
/* FIXME: I don't think there is much to do here */
break;
case MOD_MIDIPORT:
if (data[0] != 0xF0)
{
/* Send end of System Exclusive */
SEQ_MIDIOUT(dev_id - num_synths, 0xF0);
WARN("Adding missing 0xF0 marker at the beginning of system exclusive byte stream\n");
}
for (count = 0; count < hdr->dwBufferLength; count++)
SEQ_MIDIOUT(dev_id - num_synths, data[count]);
if (data[count - 1] != 0xF7)
{
/* Send end of System Exclusive */
SEQ_MIDIOUT(dev_id - num_synths, 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", dest->caps.wTechnology);
return MMSYSERR_NOTENABLED;
}
hdr->dwFlags &= ~MHDR_INQUEUE;
hdr->dwFlags |= MHDR_DONE;
set_out_notify(notify, dest, dev_id, MOM_DONE, (UINT_PTR)hdr, 0);
return MMSYSERR_NOERROR;
}
static UINT midi_out_prepare(WORD dev_id, MIDIHDR *hdr, UINT hdr_size)
{
TRACE("(%04X, %p, %d);\n", dev_id, hdr, hdr_size);
if (hdr_size < offsetof(MIDIHDR, dwOffset) || !hdr || !hdr->lpData)
return MMSYSERR_INVALPARAM;
if (hdr->dwFlags & MHDR_PREPARED)
return MMSYSERR_NOERROR;
hdr->lpNext = 0;
hdr->dwFlags |= MHDR_PREPARED;
hdr->dwFlags &= ~(MHDR_DONE | MHDR_INQUEUE);
return MMSYSERR_NOERROR;
}
static UINT midi_out_unprepare(WORD dev_id, MIDIHDR *hdr, UINT hdr_size)
{
TRACE("(%04X, %p, %d);\n", dev_id, hdr, hdr_size);
if (hdr_size < offsetof(MIDIHDR, dwOffset) || !hdr || !hdr->lpData)
return MMSYSERR_INVALPARAM;
if (!(hdr->dwFlags & MHDR_PREPARED))
return MMSYSERR_NOERROR;
if (hdr->dwFlags & MHDR_INQUEUE)
return MIDIERR_STILLPLAYING;
hdr->dwFlags &= ~MHDR_PREPARED;
return MMSYSERR_NOERROR;
}
static UINT midi_out_get_devcaps(WORD dev_id, MIDIOUTCAPSW *caps, UINT size)
{
TRACE("(%04X, %p, %08X);\n", dev_id, caps, size);
if (dev_id >= num_dests) return MMSYSERR_BADDEVICEID;
if (!caps) return MMSYSERR_INVALPARAM;
memcpy(caps, &dests[dev_id].caps, min(size, sizeof(*caps)));
return MMSYSERR_NOERROR;
}
static UINT midi_out_get_volume(WORD dev_id, UINT *volume)
{
if (!volume) return MMSYSERR_INVALPARAM;
if (dev_id >= num_dests) return MMSYSERR_BADDEVICEID;
*volume = 0xFFFFFFFF;
return (dests[dev_id].caps.dwSupport & MIDICAPS_VOLUME) ? 0 : MMSYSERR_NOTSUPPORTED;
}
static UINT midi_out_reset(WORD dev_id)
{
struct midi_dest *dest;
unsigned chn;
TRACE("(%04X);\n", dev_id);
if (dev_id >= num_dests) return MMSYSERR_BADDEVICEID;
dest = dests + dev_id;
if (!dest->bEnabled) return MIDIERR_NODEVICE;
/* stop all notes */
/* FIXME: check if 0x78B0 is channel dependent or not. I coded it so that
* it's channel dependent...
*/
for (chn = 0; chn < 16; chn++)
{
/* turn off every note */
midi_out_data(dev_id, 0x7800 | MIDI_CTL_CHANGE | chn);
/* remove sustain on all channels */
midi_out_data(dev_id, (CTL_SUSTAIN << 8) | MIDI_CTL_CHANGE | chn);
}
/* FIXME: the LongData buffers must also be returned to the app */
return MMSYSERR_NOERROR;
}
static void handle_sysex_data(struct midi_src *src, unsigned char value, UINT time)
{
struct notify_context notify;
MIDIHDR *hdr;
BOOL done = FALSE;
src->state |= 2;
src->incLen = 0;
in_buffer_lock();
hdr = src->lpQueueHdr;
if (hdr)
{
BYTE *data = (BYTE *)hdr->lpData;
data[hdr->dwBytesRecorded++] = value;
if (hdr->dwBytesRecorded == hdr->dwBufferLength)
done = TRUE;
}
if (value == 0xf7) /* end */
{
src->state &= ~2;
done = TRUE;
}
if (done && hdr)
{
src->lpQueueHdr = hdr->lpNext;
hdr->dwFlags &= ~MHDR_INQUEUE;
hdr->dwFlags |= MHDR_DONE;
set_in_notify(&notify, src, src - srcs, MIM_LONGDATA, (UINT_PTR)hdr, time);
notify_post(&notify);
}
in_buffer_unlock();
}
static void handle_regular_data(struct midi_src *src, unsigned char value, UINT time)
{
struct notify_context notify;
UINT to_send = 0;
#define IS_CMD(_x) (((_x) & 0x80) == 0x80)
#define IS_SYS_CMD(_x) (((_x) & 0xF0) == 0xF0)
if (!IS_CMD(value) && src->incLen == 0) /* try to reuse old cmd */
{
if (IS_CMD(src->incPrev) && !IS_SYS_CMD(src->incPrev))
{
src->incoming[0] = src->incPrev;
src->incLen = 1;
}
else
{
/* FIXME: should generate MIM_ERROR notification */
return;
}
}
src->incoming[(int)src->incLen++] = value;
if (src->incLen == 1 && !IS_SYS_CMD(src->incoming[0]))
/* store new cmd, just in case */
src->incPrev = src->incoming[0];
#undef IS_CMD
#undef IS_SYS_CMD
switch (src->incoming[0] & 0xF0)
{
case MIDI_NOTEOFF:
case MIDI_NOTEON:
case MIDI_KEY_PRESSURE:
case MIDI_CTL_CHANGE:
case MIDI_PITCH_BEND:
if (src->incLen == 3)
to_send = (src->incoming[2] << 16) | (src->incoming[1] << 8) |
src->incoming[0];
break;
case MIDI_PGM_CHANGE:
case MIDI_CHN_PRESSURE:
if (src->incLen == 2)
to_send = (src->incoming[1] << 8) | src->incoming[0];
break;
case MIDI_SYSTEM_PREFIX:
if (src->incLen == 1)
to_send = src->incoming[0];
break;
}
if (to_send)
{
src->incLen = 0;
set_in_notify(&notify, src, src - srcs, MIM_DATA, to_send, time);
notify_post(&notify);
}
}
static void handle_midi_data(unsigned char *buffer, unsigned int len)
{
unsigned int time = get_time_msec(), i;
struct midi_src *src;
unsigned char value;
WORD dev_id;
for (i = 0; i < len; i += (buffer[i] & 0x80) ? 8 : 4)
{
if (buffer[i] != SEQ_MIDIPUTC) continue;
dev_id = buffer[i + 2];
value = buffer[i + 1];
if (dev_id >= num_srcs) continue;
src = srcs + dev_id;
if (src->state <= 0) continue;
if (value == 0xf0 || src->state & 2) /* system exclusive */
handle_sysex_data(src, value, time - src->startTime);
else
handle_regular_data(src, value, time - src->startTime);
}
}
static void *rec_thread_proc(void *arg)
{
int fd = PtrToLong(arg);
unsigned char buffer[256];
int len;
struct pollfd pollfd[2];
pollfd[0].fd = rec_cancel_pipe[0];
pollfd[0].events = POLLIN;
pollfd[1].fd = fd;
pollfd[1].events = POLLIN;
while (1)
{
/* Check if an event is present */
if (poll(pollfd, ARRAY_SIZE(pollfd), -1) <= 0)
continue;
if (pollfd[0].revents & POLLIN) /* cancelled */
break;
len = read(fd, buffer, sizeof(buffer));
if (len > 0 && len % 4 == 0)
handle_midi_data(buffer, len);
}
return NULL;
}
static UINT midi_in_open(WORD dev_id, MIDIOPENDESC *desc, UINT flags, struct notify_context *notify)
{
struct midi_src *src;
int fd;
TRACE("(%04X, %p, %08X);\n", dev_id, desc, flags);
if (desc == NULL)
{
WARN("Invalid Parameter !\n");
return MMSYSERR_INVALPARAM;
}
/* FIXME :
* how to check that content of lpDesc is correct ?
*/
if (dev_id >= num_srcs)
{
WARN("wDevID too large (%u) !\n", dev_id);
return MMSYSERR_BADDEVICEID;
}
src = srcs + dev_id;
if (src->state == -1)
{
WARN("device disabled\n");
return MIDIERR_NODEVICE;
}
if (src->midiDesc.hMidi != 0)
{
WARN("device already open !\n");
return MMSYSERR_ALLOCATED;
}
if ((flags & MIDI_IO_STATUS) != 0)
{
WARN("No support for MIDI_IO_STATUS in dwFlags yet, ignoring it\n");
flags &= ~MIDI_IO_STATUS;
}
if ((flags & ~CALLBACK_TYPEMASK) != 0)
{
FIXME("Bad flags\n");
return MMSYSERR_INVALFLAG;
}
fd = seq_open();
if (fd < 0)
return MMSYSERR_ERROR;
if (num_midi_in_started++ == 0)
{
pipe(rec_cancel_pipe);
if (pthread_create(&rec_thread_id, NULL, rec_thread_proc, LongToPtr(fd)))
{
close(rec_cancel_pipe[0]);
close(rec_cancel_pipe[1]);
num_midi_in_started = 0;
WARN("Couldn't create thread for midi-in\n");
seq_close(fd);
return MMSYSERR_ERROR;
}
TRACE("Created thread for midi-in\n");
}
src->wFlags = HIWORD(flags & CALLBACK_TYPEMASK);
src->lpQueueHdr = NULL;
src->midiDesc = *desc;
src->state = 0;
src->incLen = 0;
src->startTime = 0;
src->fd = fd;
set_in_notify(notify, src, dev_id, MIM_OPEN, 0, 0);
return MMSYSERR_NOERROR;
}
static UINT midi_in_close(WORD dev_id, struct notify_context *notify)
{
struct midi_src *src;
TRACE("(%04X);\n", dev_id);
if (dev_id >= num_srcs)
{
WARN("dev_id too big (%u) !\n", dev_id);
return MMSYSERR_BADDEVICEID;
}
src = srcs + dev_id;
if (src->midiDesc.hMidi == 0)
{
WARN("device not opened !\n");
return MMSYSERR_ERROR;
}
if (src->lpQueueHdr != 0)
return MIDIERR_STILLPLAYING;
if (src->fd == -1)
{
WARN("ooops !\n");
return MMSYSERR_ERROR;
}
if (--num_midi_in_started == 0)
{
TRACE("Stopping thread for midi-in\n");
write(rec_cancel_pipe[1], "x", 1);
pthread_join(rec_thread_id, NULL);
close(rec_cancel_pipe[0]);
close(rec_cancel_pipe[1]);
TRACE("Stopped thread for midi-in\n");
}
seq_close(src->fd);
src->fd = -1;
set_in_notify(notify, src, dev_id, MIM_CLOSE, 0, 0);
src->midiDesc.hMidi = 0;
return MMSYSERR_NOERROR;
}
static UINT midi_in_add_buffer(WORD dev_id, MIDIHDR *hdr, UINT hdr_size)
{
struct midi_src *src;
MIDIHDR **next;
TRACE("(%04X, %p, %d);\n", dev_id, hdr, hdr_size);
if (dev_id >= num_srcs) return MMSYSERR_BADDEVICEID;
src = srcs + dev_id;
if (src->state == -1) return MIDIERR_NODEVICE;
if (!hdr || hdr_size < offsetof(MIDIHDR, dwOffset) || !hdr->dwBufferLength)
return MMSYSERR_INVALPARAM;
if (hdr->dwFlags & MHDR_INQUEUE) return MIDIERR_STILLPLAYING;
if (!(hdr->dwFlags & MHDR_PREPARED)) return MIDIERR_UNPREPARED;
in_buffer_lock();
hdr->dwFlags &= ~WHDR_DONE;
hdr->dwFlags |= MHDR_INQUEUE;
hdr->dwBytesRecorded = 0;
hdr->lpNext = NULL;
next = &src->lpQueueHdr;
while (*next) next = &(*next)->lpNext;
*next = hdr;
in_buffer_unlock();
return MMSYSERR_NOERROR;
}
static UINT midi_in_prepare(WORD dev_id, MIDIHDR *hdr, UINT hdr_size)
{
TRACE("(%04X, %p, %d);\n", dev_id, hdr, hdr_size);
if (hdr_size < offsetof(MIDIHDR, dwOffset) || !hdr || !hdr->lpData)
return MMSYSERR_INVALPARAM;
if (hdr->dwFlags & MHDR_PREPARED)
return MMSYSERR_NOERROR;
hdr->lpNext = NULL;
hdr->dwFlags |= MHDR_PREPARED;
hdr->dwFlags &= ~(MHDR_DONE | MHDR_INQUEUE);
return MMSYSERR_NOERROR;
}
static UINT midi_in_unprepare(WORD dev_id, MIDIHDR *hdr, UINT hdr_size)
{
TRACE("(%04X, %p, %d);\n", dev_id, hdr, hdr_size);
if (hdr_size < offsetof(MIDIHDR, dwOffset) || !hdr || !hdr->lpData)
return MMSYSERR_INVALPARAM;
if (!(hdr->dwFlags & MHDR_PREPARED))
return MMSYSERR_NOERROR;
if (hdr->dwFlags & MHDR_INQUEUE)
return MIDIERR_STILLPLAYING;
hdr->dwFlags &= ~MHDR_PREPARED;
return MMSYSERR_NOERROR;
}
static UINT midi_in_get_devcaps(WORD dev_id, MIDIINCAPSW *caps, UINT size)
{
TRACE("(%04X, %p, %08X);\n", dev_id, caps, size);
if (dev_id >= num_srcs) return MMSYSERR_BADDEVICEID;
if (!caps) return MMSYSERR_INVALPARAM;
memcpy(caps, &srcs[dev_id].caps, min(size, sizeof(*caps)));
return MMSYSERR_NOERROR;
}
static UINT midi_in_start(WORD dev_id)
{
struct midi_src *src;
TRACE("(%04X);\n", dev_id);
if (dev_id >= num_srcs) return MMSYSERR_BADDEVICEID;
src = srcs + dev_id;
if (src->state == -1) return MIDIERR_NODEVICE;
src->state = 1;
src->startTime = get_time_msec();
return MMSYSERR_NOERROR;
}
static UINT midi_in_stop(WORD dev_id)
{
struct midi_src *src;
TRACE("(%04X);\n", dev_id);
if (dev_id >= num_srcs) return MMSYSERR_BADDEVICEID;
src = srcs + dev_id;
if (src->state == -1) return MIDIERR_NODEVICE;
src->state = 0;
return MMSYSERR_NOERROR;
}
static UINT midi_in_reset(WORD dev_id, struct notify_context *notify)
{
UINT cur_time = get_time_msec();
UINT err = MMSYSERR_NOERROR;
struct midi_src *src;
MIDIHDR *hdr;
TRACE("(%04X);\n", dev_id);
if (dev_id >= num_srcs) return MMSYSERR_BADDEVICEID;
src = srcs + dev_id;
if (src->state == -1) return MIDIERR_NODEVICE;
in_buffer_lock();
if (src->lpQueueHdr)
{
hdr = src->lpQueueHdr;
src->lpQueueHdr = hdr->lpNext;
hdr->dwFlags &= ~MHDR_INQUEUE;
hdr->dwFlags |= MHDR_DONE;
set_in_notify(notify, src, dev_id, MIM_LONGDATA, (UINT_PTR)hdr, cur_time - src->startTime);
if (src->lpQueueHdr) err = ERROR_RETRY; /* ask the client to call again */
}
in_buffer_unlock();
return err;
}
NTSTATUS midi_out_message(void *args)
{
struct midi_out_message_params *params = args;
params->notify->send_notify = FALSE;
switch (params->msg)
{
case DRVM_INIT:
*params->err = midi_init();
break;
case DRVM_EXIT:
*params->err = midi_exit();
break;
case DRVM_ENABLE:
case DRVM_DISABLE:
/* FIXME: Pretend this is supported */
*params->err = MMSYSERR_NOERROR;
break;
case MODM_OPEN:
*params->err = midi_out_open(params->dev_id, (MIDIOPENDESC *)params->param_1, params->param_2, params->notify);
break;
case MODM_CLOSE:
*params->err = midi_out_close(params->dev_id, params->notify);
break;
case MODM_DATA:
*params->err = midi_out_data(params->dev_id, params->param_1);
break;
case MODM_LONGDATA:
*params->err = midi_out_long_data(params->dev_id, (MIDIHDR *)params->param_1, params->param_2, params->notify);
break;
case MODM_PREPARE:
*params->err = midi_out_prepare(params->dev_id, (MIDIHDR *)params->param_1, params->param_2);
break;
case MODM_UNPREPARE:
*params->err = midi_out_unprepare(params->dev_id, (MIDIHDR *)params->param_1, params->param_2);
break;
case MODM_GETDEVCAPS:
*params->err = midi_out_get_devcaps(params->dev_id, (MIDIOUTCAPSW *)params->param_1, params->param_2);
break;
case MODM_GETNUMDEVS:
*params->err = num_dests;
break;
case MODM_GETVOLUME:
*params->err = midi_out_get_volume(params->dev_id, (UINT *)params->param_1);
break;
case MODM_SETVOLUME:
*params->err = 0;
break;
case MODM_RESET:
*params->err = midi_out_reset(params->dev_id);
break;
default:
TRACE("Unsupported message\n");
*params->err = MMSYSERR_NOTSUPPORTED;
}
return STATUS_SUCCESS;
}
NTSTATUS midi_in_message(void *args)
{
struct midi_in_message_params *params = args;
params->notify->send_notify = FALSE;
switch (params->msg)
{
case DRVM_INIT:
*params->err = midi_init();
break;
case DRVM_EXIT:
*params->err = midi_exit();
break;
case DRVM_ENABLE:
case DRVM_DISABLE:
/* FIXME: Pretend this is supported */
*params->err = MMSYSERR_NOERROR;
break;
case MIDM_OPEN:
*params->err = midi_in_open(params->dev_id, (MIDIOPENDESC *)params->param_1, params->param_2, params->notify);
break;
case MIDM_CLOSE:
*params->err = midi_in_close(params->dev_id, params->notify);
break;
case MIDM_ADDBUFFER:
*params->err = midi_in_add_buffer(params->dev_id, (MIDIHDR *)params->param_1, params->param_2);
break;
case MIDM_PREPARE:
*params->err = midi_in_prepare(params->dev_id, (MIDIHDR *)params->param_1, params->param_2);
break;
case MIDM_UNPREPARE:
*params->err = midi_in_unprepare(params->dev_id, (MIDIHDR *)params->param_1, params->param_2);
break;
case MIDM_GETDEVCAPS:
*params->err = midi_in_get_devcaps(params->dev_id, (MIDIINCAPSW *)params->param_1, params->param_2);
break;
case MIDM_GETNUMDEVS:
*params->err = num_srcs;
break;
case MIDM_START:
*params->err = midi_in_start(params->dev_id);
break;
case MIDM_STOP:
*params->err = midi_in_stop(params->dev_id);
break;
case MIDM_RESET:
*params->err = midi_in_reset(params->dev_id, params->notify);
break;
default:
TRACE("Unsupported message\n");
*params->err = MMSYSERR_NOTSUPPORTED;
}
return STATUS_SUCCESS;
}
NTSTATUS midi_notify_wait(void *args)
{
struct midi_notify_wait_params *params = args;
pthread_mutex_lock(&notify_mutex);
while (!notify_quit && notify_buffer_empty())
pthread_cond_wait(&notify_read_cond, &notify_mutex);
*params->quit = notify_quit;
if (!notify_quit)
{
notify_buffer_remove(params->notify);
pthread_cond_signal(&notify_write_cond);
}
pthread_mutex_unlock(&notify_mutex);
return STATUS_SUCCESS;
}
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