multimedia/init.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2
   3 /*
   4  * Initialization procedures for multimedia
   5  *
   6  * Copyright 1998 Luiz Otavio L. Zorzella
   7  */
   8
   9 #include <unistd.h>
  10 #include <string.h>
  11 #include <fcntl.h>
  12 #include <sys/ioctl.h>
  13 #include "winbase.h"
  14 #include "multimedia.h"
  15 #include "xmalloc.h"
  16 #include "options.h"
  17 #include "debugtools.h"
  18
  19 DECLARE_DEBUG_CHANNEL(mci)
  20 DECLARE_DEBUG_CHANNEL(midi)
  21 DECLARE_DEBUG_CHANNEL(mmsys)
  22
  23 #ifdef HAVE_OSS
  24
  25 extern int              MODM_NUMDEVS;
  26 extern int              MODM_NUMFMSYNTHDEVS;
  27 extern int              MODM_NUMMIDIDEVS;
  28 extern LPMIDIOUTCAPS16  midiOutDevices[MAX_MIDIOUTDRV];
  29
  30 extern int              MIDM_NUMDEVS;
  31 extern LPMIDIINCAPS16   midiInDevices [MAX_MIDIINDRV];
  32
  33 #endif
  34
  35 /**************************************************************************
  36  *                      unixToWindowsDeviceType                 [internal]
  37  *
  38  * return the Windows equivalent to a Unix Device Type
  39  *
  40  */
  41 #ifdef HAVE_OSS
  42 static  int unixToWindowsDeviceType(int type)
  43 {
  44 #if !defined(__NetBSD__) && !defined(__OpenBSD__)
  45     /* MOD_MIDIPORT     output port
  46      * MOD_SYNTH        generic internal synth
  47      * MOD_SQSYNTH      square wave internal synth
  48      * MOD_FMSYNTH      FM internal synth
  49      * MOD_MAPPER       MIDI mapper
  50      */
  51
  52     /* FIXME Is this really the correct equivalence from UNIX to
  53        Windows Sound type */
  54
  55     switch (type) {
  56     case SYNTH_TYPE_FM:     return MOD_FMSYNTH;
  57     case SYNTH_TYPE_SAMPLE: return MOD_SYNTH;
  58     case SYNTH_TYPE_MIDI:   return MOD_MIDIPORT;
  59     default:
  60         ERR_(midi)("Cannot determine the type of this midi device. "
  61             "Assuming FM Synth\n");
  62         return MOD_FMSYNTH;
  63     }
  64 #else
  65     return MOD_FMSYNTH;
  66 #endif
  67 }
  68 #endif
  69
  70 /**************************************************************************
  71  *                      MULTIMEDIA_MidiInit                     [internal]
  72  *
  73  * Initializes the MIDI devices information variables
  74  *
  75  */
  76 static  BOOL MULTIMEDIA_MidiInit(void)
  77 {
  78 #if defined(HAVE_OSS) && !defined(__NetBSD__) && !defined(__OpenBSD__)
  79     int                 i, status, numsynthdevs = 255, nummididevs = 255;
  80     struct synth_info   sinfo;
  81     struct midi_info    minfo;
  82     int                 fd;        /* file descriptor for MIDI_SEQ */
  83
  84     TRACE_(midi)("Initializing the MIDI variables.\n");
  85
  86     /* try to open device */
  87     /* FIXME: should use function midiOpenSeq() in midi.c */
  88     fd = open(MIDI_SEQ, O_WRONLY);
  89     if (fd == -1) {
  90         TRACE_(midi)("No sequencer found: unable to open `%s'.\n", MIDI_SEQ);
  91         return TRUE;
  92     }
  93
  94     /* find how many Synth devices are there in the system */
  95     status = ioctl(fd, SNDCTL_SEQ_NRSYNTHS, &numsynthdevs);
  96
  97     if (status == -1) {
  98         ERR_(midi)("ioctl for nr synth failed.\n");
  99         close(fd);
 100         return TRUE;
 101     }
 102
 103     if (numsynthdevs > MAX_MIDIOUTDRV) {
 104         ERR_(midi)("MAX_MIDIOUTDRV (%d) was enough for the number of devices (%d). "
 105             "Some FM devices will not be available.\n",MAX_MIDIOUTDRV,numsynthdevs);
 106         numsynthdevs = MAX_MIDIOUTDRV;
 107     }
 108
 109     for (i = 0; i < numsynthdevs; i++) {
 110         LPMIDIOUTCAPS16 tmplpCaps;
 111
 112         sinfo.device = i;
 113         status = ioctl(fd, SNDCTL_SYNTH_INFO, &sinfo);
 114         if (status == -1) {
 115             ERR_(midi)("ioctl for synth info failed.\n");
 116             close(fd);
 117             return TRUE;
 118         }
 119
 120         tmplpCaps = xmalloc(sizeof(MIDIOUTCAPS16));
 121         /* We also have the information sinfo.synth_subtype, not used here
 122          */
 123
 124         /* Manufac ID. We do not have access to this with soundcard.h
 125          * Does not seem to be a problem, because in mmsystem.h only
 126          * Microsoft's ID is listed.
 127          */
 128         tmplpCaps->wMid = 0x00FF;
 129         tmplpCaps->wPid = 0x0001;       /* FIXME Product ID  */
 130         /* Product Version. We simply say "1" */
 131         tmplpCaps->vDriverVersion = 0x001;
 132         strcpy(tmplpCaps->szPname, sinfo.name);
 133
 134         tmplpCaps->wTechnology = unixToWindowsDeviceType(sinfo.synth_type);
 135         tmplpCaps->wVoices     = sinfo.nr_voices;
 136
 137         /* FIXME Is it possible to know the maximum
 138          * number of simultaneous notes of a soundcard ?
 139          * I believe we don't have this information, but
 140          * it's probably equal or more than wVoices
 141          */
 142         tmplpCaps->wNotes      = sinfo.nr_voices;
 143
 144         /* FIXME Do we have this information?
 145          * Assuming the soundcards can handle
 146          * MIDICAPS_VOLUME and MIDICAPS_LRVOLUME but
 147          * not MIDICAPS_CACHE.
 148          */
 149         tmplpCaps->dwSupport   = MIDICAPS_VOLUME|MIDICAPS_LRVOLUME;
 150
 151         midiOutDevices[i] = tmplpCaps;
 152
 153         if (sinfo.capabilities & SYNTH_CAP_INPUT) {
 154             FIXME_(midi)("Synthetizer support MIDI in. Not supported yet (please report)\n");
 155         }
 156
 157         TRACE_(midi)("name='%s', techn=%d voices=%d notes=%d support=%ld\n",
 158               tmplpCaps->szPname, tmplpCaps->wTechnology,
 159               tmplpCaps->wVoices, tmplpCaps->wNotes, tmplpCaps->dwSupport);
 160         TRACE_(midi)("OSS info: synth subtype=%d capa=%Xh\n",
 161               sinfo.synth_subtype, sinfo.capabilities);
 162     }
 163
 164     /* find how many MIDI devices are there in the system */
 165     status = ioctl(fd, SNDCTL_SEQ_NRMIDIS, &nummididevs);
 166     if (status == -1) {
 167         ERR_(midi)("ioctl on nr midi failed.\n");
 168         return TRUE;
 169     }
 170
 171     /* FIXME: the two restrictions below could be loosen in some cases */
 172     if (numsynthdevs + nummididevs > MAX_MIDIOUTDRV) {
 173         ERR_(midi)("MAX_MIDIOUTDRV was not enough for the number of devices. "
 174             "Some MIDI devices will not be available.\n");
 175         nummididevs = MAX_MIDIOUTDRV - numsynthdevs;
 176     }
 177
 178     if (nummididevs > MAX_MIDIINDRV) {
 179         ERR_(midi)("MAX_MIDIINDRV (%d) was not enough for the number of devices (%d). "
 180             "Some MIDI devices will not be available.\n",MAX_MIDIINDRV,nummididevs);
 181         nummididevs = MAX_MIDIINDRV;
 182     }
 183
 184     for (i = 0; i < nummididevs; i++) {
 185         LPMIDIOUTCAPS16 tmplpOutCaps;
 186         LPMIDIINCAPS16  tmplpInCaps;
 187
 188         minfo.device = i;
 189         status = ioctl(fd, SNDCTL_MIDI_INFO, &minfo);
 190         if (status == -1) {
 191             ERR_(midi)("ioctl on midi info failed.\n");
 192             close(fd);
 193             return TRUE;
 194         }
 195
 196         tmplpOutCaps = xmalloc(sizeof(MIDIOUTCAPS16));
 197         /* This whole part is somewhat obscure to me. I'll keep trying to dig
 198            info about it. If you happen to know, please tell us. The very
 199            descritive minfo.dev_type was not used here.
 200         */
 201         /* Manufac ID. We do not have access to this with soundcard.h
 202            Does not seem to be a problem, because in mmsystem.h only
 203            Microsoft's ID is listed */
 204         tmplpOutCaps->wMid = 0x00FF;
 205         tmplpOutCaps->wPid = 0x0001;    /* FIXME Product ID */
 206         /* Product Version. We simply say "1" */
 207         tmplpOutCaps->vDriverVersion = 0x001;
 208         strcpy(tmplpOutCaps->szPname, minfo.name);
 209
 210         tmplpOutCaps->wTechnology = MOD_MIDIPORT; /* FIXME Is this right? */
 211         /* Does it make any difference? */
 212         tmplpOutCaps->wVoices     = 16;
 213         /* Does it make any difference? */
 214         tmplpOutCaps->wNotes      = 16;
 215         /* FIXME Does it make any difference? */
 216         tmplpOutCaps->dwSupport   = MIDICAPS_VOLUME|MIDICAPS_LRVOLUME;
 217
 218         midiOutDevices[numsynthdevs + i] = tmplpOutCaps;
 219
 220         tmplpInCaps = xmalloc(sizeof(MIDIOUTCAPS16));
 221         /* This whole part is somewhat obscure to me. I'll keep trying to dig
 222            info about it. If you happen to know, please tell us. The very
 223            descritive minfo.dev_type was not used here.
 224         */
 225         /* Manufac ID. We do not have access to this with soundcard.h
 226            Does not seem to be a problem, because in mmsystem.h only
 227            Microsoft's ID is listed */
 228         tmplpInCaps->wMid = 0x00FF;
 229         tmplpInCaps->wPid = 0x0001;     /* FIXME Product ID */
 230         /* Product Version. We simply say "1" */
 231         tmplpInCaps->vDriverVersion = 0x001;
 232         strcpy(tmplpInCaps->szPname, minfo.name);
 233
 234         /* FIXME : could we get better information than that ? */
 235         tmplpInCaps->dwSupport   = MIDICAPS_VOLUME|MIDICAPS_LRVOLUME;
 236
 237         midiInDevices[i] = tmplpInCaps;
 238
 239         TRACE_(midi)("name='%s' techn=%d voices=%d notes=%d support=%ld\n",
 240               tmplpOutCaps->szPname, tmplpOutCaps->wTechnology, tmplpOutCaps->wVoices,
 241               tmplpOutCaps->wNotes, tmplpOutCaps->dwSupport);
 242         TRACE_(midi)("OSS info: midi dev-type=%d, capa=%d\n",
 243               minfo.dev_type, minfo.capabilities);
 244     }
 245
 246     /* windows does not seem to differentiate Synth from MIDI devices */
 247     MODM_NUMFMSYNTHDEVS = numsynthdevs;
 248     MODM_NUMMIDIDEVS    = nummididevs;
 249     MODM_NUMDEVS        = numsynthdevs + nummididevs;
 250
 251     MIDM_NUMDEVS        = nummididevs;
 252
 253     /* close file and exit */
 254     close(fd);
 255 #endif /* HAVE_OSS */
 256
 257     return TRUE;
 258 }
 259
 260 /**************************************************************************
 261  *                      MULTIMEDIA_MciInit                      [internal]
 262  *
 263  * Initializes the MCI internal variables.
 264  *
 265  */static       BOOL MULTIMEDIA_MciInit(void)
 266 {
 267     LPSTR       ptr1, ptr2;
 268
 269     mciInstalledCount = 0;
 270     ptr1 = lpmciInstallNames = xmalloc(2048);
 271
 272     /* FIXME: should do also some registry diving here */
 273     if (PROFILE_GetWineIniString("options", "mci", "", lpmciInstallNames, 2048) > 0) {
 274         TRACE_(mci)("Wine => '%s' \n", ptr1);
 275         while ((ptr2 = strchr(ptr1, ':')) != 0) {
 276             *ptr2++ = 0;
 277             TRACE_(mci)("---> '%s' \n", ptr1);
 278             mciInstalledCount++;
 279             ptr1 = ptr2;
 280         }
 281         mciInstalledCount++;
 282         TRACE_(mci)("---> '%s' \n", ptr1);
 283         ptr1 += strlen(ptr1) + 1;
 284     } else {
 285         GetPrivateProfileStringA("mci", NULL, "", lpmciInstallNames, 2048, "SYSTEM.INI");
 286         while (strlen(ptr1) > 0) {
 287             TRACE_(mci)("---> '%s' \n", ptr1);
 288             ptr1 += (strlen(ptr1) + 1);
 289             mciInstalledCount++;
 290         }
 291     }
 292     mciInstalledListLen = ptr1 - lpmciInstallNames;
 293
 294     return TRUE;
 295 }
 296
 297 HINSTANCE       WINMM_hInstance = 0;
 298 HINSTANCE       MMSYSTEM_hInstance = 0;
 299 static BOOL     bInitDone = FALSE;
 300
 301 /**************************************************************************
 302  *                      WINMM_LibMain                           [EntryPoint]
 303  *
 304  * WINMM DLL entry point
 305  *
 306  */
 307 BOOL WINAPI WINMM_LibMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
 308 {
 309     TRACE_(mmsys)("0x%x 0x%lx %p\n", hinstDLL, fdwReason, fImpLoad);
 310
 311     switch (fdwReason) {
 312     case DLL_PROCESS_ATTACH:
 313         if (!bInitDone) {
 314             if (MULTIMEDIA_MidiInit() && MULTIMEDIA_MciInit()) {
 315                 bInitDone = TRUE;
 316             } else {
 317                 return FALSE;
 318             }
 319         }
 320         WINMM_hInstance = hinstDLL;
 321         break;
 322     case DLL_THREAD_ATTACH:
 323     case DLL_THREAD_DETACH:
 324     case DLL_PROCESS_DETACH:
 325         break;
 326     }
 327     return TRUE;
 328 }
 329
 330 BOOL WINAPI MMSYSTEM_LibMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
 331 {
 332     TRACE_(mmsys)("0x%x 0x%lx %p\n", hinstDLL, fdwReason, fImpLoad);
 333
 334     switch (fdwReason) {
 335     case DLL_PROCESS_ATTACH:
 336         if (!bInitDone) {
 337             if (MULTIMEDIA_MidiInit() && MULTIMEDIA_MciInit()) {
 338                 bInitDone = TRUE;
 339             } else {
 340                 return FALSE;
 341             }
 342         }
 343         MMSYSTEM_hInstance = hinstDLL;
 344         break;
 345     case DLL_THREAD_ATTACH:
 346     case DLL_THREAD_DETACH:
 347     case DLL_PROCESS_DETACH:
 348         break;
 349     }
 350     return TRUE;
 351 }