apps/plugins/mikmod/mikmod.c

   1 #define NO_MMSUPP_DEFINES
   2
   3 #include "plugin.h"
   4 #include "lib/configfile.h"
   5 #include "mikmod.h"
   6
   7
   8 #undef SYNC
   9 #ifdef SIMULATOR
  10 #define SYNC
  11 #elif NUM_CORES > 1
  12 #define USETHREADS
  13 #endif
  14
  15 #define MAX_CHARS LCD_WIDTH/6
  16 #define MAX_LINES LCD_HEIGHT/8
  17 #define LINE_LENGTH 80
  18
  19 #define DIR_PREV  1
  20 #define DIR_NEXT -1
  21 #define DIR_NONE  0
  22
  23 #define PLUGIN_NEWSONG 10
  24
  25 /* Persistent configuration */
  26 #define MIKMOD_CONFIGFILE             "mikmod.cfg"
  27 #define MIKMOD_SETTINGS_MINVERSION    1
  28 #define MIKMOD_SETTINGS_VERSION       1
  29
  30 #ifdef USETHREADS
  31 #define EV_EXIT 9999
  32 #define THREAD_STACK_SIZE DEFAULT_STACK_SIZE + 0x200
  33 static unsigned int thread_id;
  34 static struct event_queue thread_q SHAREDBSS_ATTR;
  35 /* use long for aligning */
  36 unsigned long thread_stack[THREAD_STACK_SIZE/sizeof(long)];
  37 #endif
  38
  39 /* the current full file name */
  40 static char np_file[MAX_PATH];
  41 static int curfile = 0, direction = DIR_NEXT, entries = 0;
  42
  43 /* list of the mod files */
  44 static char **file_pt;
  45
  46
  47 /* The MP3 audio buffer which we will use as heap memory */
  48 static unsigned char* audio_buffer;
  49 /* amount of bytes left in audio_buffer */
  50 static size_t audio_buffer_free;
  51
  52
  53 /* The rockbox plugin interface */
  54 MEM_FUNCTION_WRAPPERS;
  55
  56 bool quit;
  57 int playingtime IBSS_ATTR;
  58 MODULE *module IBSS_ATTR;
  59 char gmbuf[BUF_SIZE*NBUF];
  60
  61
  62 int textlines;
  63 int vscroll = 0;
  64 int hscroll = 0;
  65 bool screenupdated = false;
  66
  67 enum {
  68     DISPLAY_INFO = 0,
  69     DISPLAY_SAMPLE,
  70     DISPLAY_INST,
  71     DISPLAY_COMMENTS,
  72 } display;
  73
  74
  75 /*
  76 * strncat wrapper
  77 */
  78 char* mmsupp_strncat(char *s1, const char *s2, size_t n)
  79 {
  80     char *s = s1;
  81     /* Loop over the data in s1.  */
  82     while (*s != '\0')
  83         s++;
  84     /* s now points to s1's trailing null character, now copy
  85     up to n bytes from s2 into s1 stopping if a null character
  86     is encountered in s2.
  87     It is not safe to use strncpy here since it copies EXACTLY n
  88     characters, NULL padding if necessary.  */
  89     while (n != 0 && (*s = *s2++) != '\0')
  90     {
  91         n--;
  92         s++;
  93     }
  94     if (*s != '\0')
  95         *s = '\0';
  96     return s1;
  97 }
  98
  99 /*
 100 * sprintf wrapper
 101 */
 102 int mmsupp_sprintf(char *buf, const char *fmt, ... )
 103 {
 104     bool ok;
 105     va_list ap;
 106
 107     va_start(ap, fmt);
 108     ok = rb->vsnprintf(buf, LINE_LENGTH, fmt, ap);
 109     va_end(ap);
 110
 111     return ok;
 112 }
 113
 114 /*
 115 * printf wrapper
 116 */
 117 void mmsupp_printf(const char *fmt, ...)
 118 {
 119     static int p_xtpt = 0;
 120     char p_buf[LINE_LENGTH];
 121     bool ok;
 122     va_list ap;
 123
 124     va_start(ap, fmt);
 125     ok = rb->vsnprintf(p_buf, sizeof(p_buf), fmt, ap);
 126     va_end(ap);
 127
 128     int i=0;
 129
 130     /* Device LCDs display newlines funny. */
 131     for(i=0; p_buf[i]!=0; i++)
 132         if(p_buf[i] == '\n')
 133             p_buf[i] = ' ';
 134
 135     rb->lcd_putsxy(1, p_xtpt, (unsigned char *)p_buf);
 136     rb->lcd_update();
 137
 138     p_xtpt += 8;
 139     if(p_xtpt > LCD_HEIGHT-8)
 140     {
 141         p_xtpt = 0;
 142         rb->lcd_clear_display();
 143     }
 144 }
 145
 146
 147 /************************* File Access ***************************/
 148
 149 /* support function for qsort() */
 150 static int compare(const void* p1, const void* p2)
 151 {
 152     return rb->strcasecmp(*((char **)p1), *((char **)p2));
 153 }
 154
 155 bool mod_ext(const char ext[])
 156 {
 157     if(!ext)
 158         return false;
 159     if(!rb->strcasecmp(ext,".669") ||
 160        !rb->strcasecmp(ext,".amf") ||
 161        !rb->strcasecmp(ext,".asy") ||
 162        !rb->strcasecmp(ext,".dsm") ||
 163        !rb->strcasecmp(ext,".far") ||
 164        !rb->strcasecmp(ext,".gdm") ||
 165        !rb->strcasecmp(ext,".gt2") ||
 166        !rb->strcasecmp(ext,".imf") ||
 167        !rb->strcasecmp(ext,".it") ||
 168        !rb->strcasecmp(ext,".m15") ||
 169        !rb->strcasecmp(ext,".med") ||
 170        !rb->strcasecmp(ext,".mod") ||
 171        !rb->strcasecmp(ext,".mtm") ||
 172        !rb->strcasecmp(ext,".okt") ||
 173        !rb->strcasecmp(ext,".s3m") ||
 174        !rb->strcasecmp(ext,".stm") ||
 175        !rb->strcasecmp(ext,".stx") ||
 176        !rb->strcasecmp(ext,".ult") ||
 177        !rb->strcasecmp(ext,".uni") ||
 178        !rb->strcasecmp(ext,".xm") )
 179             return true;
 180     else
 181             return false;
 182 }
 183
 184 /*Read directory contents for scrolling. */
 185 void get_mod_list(void)
 186 {
 187     struct tree_context *tree = rb->tree_get_context();
 188     struct entry *dircache = tree->dircache;
 189     int i;
 190     char *pname;
 191
 192     file_pt = (char **) audio_buffer;
 193
 194     /* Remove path and leave only the name.*/
 195     pname = rb->strrchr(np_file,'/');
 196     pname++;
 197
 198     for (i = 0; i < tree->filesindir && audio_buffer_free > sizeof(char**); i++)
 199     {
 200         if (!(dircache[i].attr & ATTR_DIRECTORY)
 201             && mod_ext(rb->strrchr(dircache[i].name,'.')))
 202         {
 203             file_pt[entries] = dircache[i].name;
 204             /* Set Selected File. */
 205             if (!rb->strcmp(file_pt[entries], pname))
 206                 curfile = entries;
 207             entries++;
 208
 209             audio_buffer += (sizeof(char**));
 210             audio_buffer_free -= (sizeof(char**));
 211         }
 212     }
 213 }
 214
 215 int change_filename(int direct)
 216 {
 217     bool file_erased = (file_pt[curfile] == NULL);
 218     direction = direct;
 219
 220     curfile += (direct == DIR_PREV? entries - 1: 1);
 221     if (curfile >= entries)
 222         curfile -= entries;
 223
 224     if (file_erased)
 225     {
 226         /* remove 'erased' file names from list. */
 227         int count, i;
 228         for (count = i = 0; i < entries; i++)
 229         {
 230             if (curfile == i)
 231                 curfile = count;
 232             if (file_pt[i] != NULL)
 233                 file_pt[count++] = file_pt[i];
 234         }
 235         entries = count;
 236     }
 237
 238     if (entries == 0)
 239     {
 240         rb->splash(HZ, "No supported files");
 241         return PLUGIN_ERROR;
 242     }
 243
 244     rb->strcpy(rb->strrchr(np_file, '/')+1, file_pt[curfile]);
 245
 246     return PLUGIN_NEWSONG;
 247 }
 248
 249 /*****************************************************************************
 250 * Playback
 251 */
 252
 253 bool swap = false;
 254 bool lastswap = true;
 255
 256 static inline void synthbuf(void)
 257 {
 258     char *outptr;
 259
 260 #ifndef SYNC
 261     if (lastswap == swap) return;
 262     lastswap = swap;
 263
 264     outptr = (swap ? gmbuf : gmbuf + BUF_SIZE);
 265 #else
 266     outptr = gmbuf;
 267 #endif
 268
 269     VC_WriteBytes(outptr, BUF_SIZE);
 270 }
 271
 272 void get_more(unsigned char** start, size_t* size)
 273 {
 274 #ifndef SYNC
 275     if (lastswap != swap)
 276     {
 277         //printf("Buffer miss!");
 278     }
 279
 280 #else
 281     synthbuf();
 282 #endif
 283
 284     *size = BUF_SIZE;
 285 #ifndef SYNC
 286     *start = (unsigned char*)((swap ? gmbuf : gmbuf + BUF_SIZE));
 287     swap = !swap;
 288 #else
 289     *start = (unsigned char*)(gmbuf);
 290 #endif
 291 }
 292
 293 void showinfo()
 294 {
 295     char statustext[LINE_LENGTH];
 296
 297     if (!module)
 298     {
 299         return;
 300     }
 301
 302     rb->lcd_clear_display();
 303
 304     playingtime = (int)(module->sngtime >> 10);
 305     sprintf(statustext, "Name: %s", module->songname);
 306     rb->lcd_putsxy(1, 1, statustext);
 307     sprintf(statustext, "Type: %s", module->modtype);
 308     rb->lcd_putsxy(1, 11, statustext);
 309
 310     sprintf(statustext, "Samples: %d", module->numsmp);
 311     rb->lcd_putsxy(1, 21, statustext);
 312
 313     if ( module->flags & UF_INST )
 314     {
 315         sprintf(statustext, "Instruments: %d", module->numins);
 316         rb->lcd_putsxy(1, 31, statustext);
 317     }
 318
 319     sprintf(statustext, "pat: %03d/%03d  %2.2X",
 320         module->sngpos, module->numpos - 1, module->patpos);
 321     rb->lcd_putsxy(1, 51, statustext);
 322
 323     sprintf(statustext, "spd: %d/%d",
 324         module->sngspd, module->bpm);
 325     rb->lcd_putsxy(1, 61, statustext);
 326
 327     sprintf(statustext, "vol: %ddB", rb->global_settings->volume);
 328     rb->lcd_putsxy(1, 71, statustext);
 329
 330     sprintf(statustext, "time: %d:%02d",
 331         (playingtime / 60) % 60, playingtime % 60);
 332     rb->lcd_putsxy(1, 81, statustext);
 333
 334     if (module->flags & UF_NNA)
 335     {
 336         sprintf(statustext, "chn: %d/%d+%d->%d",
 337             module->realchn, module->numchn,
 338             module->totalchn - module->realchn,
 339             module->totalchn);
 340     }
 341     else
 342     {
 343         sprintf(statustext, "chn: %d/%d",
 344             module->realchn, module->numchn);
 345     }
 346     rb->lcd_putsxy(0, 91, statustext);
 347
 348     rb->lcd_update();
 349 }
 350
 351 void showsamples()
 352 {
 353     int i, j;
 354     char statustext[LINE_LENGTH];
 355
 356     if ( screenupdated )
 357     {
 358         return;
 359     }
 360     rb->lcd_clear_display();
 361     for( i=0; i<MAX_LINES && i+vscroll<module->numsmp; i++ )
 362     {
 363         sprintf(statustext, "%02d %s", i+vscroll+1, module->samples[i+vscroll].samplename);
 364         rb->lcd_putsxy(1, 1+(8*i), statustext);
 365     }
 366     rb->lcd_update();
 367     screenupdated = true;
 368 }
 369
 370 void showinstruments()
 371 {
 372     int i, j;
 373     char statustext[LINE_LENGTH];
 374
 375     if ( screenupdated )
 376     {
 377         return;
 378     }
 379     rb->lcd_clear_display();
 380     for( i=0; i<MAX_LINES && i+vscroll<module->numins; i++ )
 381     {
 382         sprintf(statustext, "%02d %s", i+vscroll+1, module->instruments[i+vscroll].insname);
 383         rb->lcd_putsxy(1, 1+(8*i), statustext);
 384     }
 385     rb->lcd_update();
 386     screenupdated = true;
 387 }
 388
 389 void showcomments()
 390 {
 391     int i, j=0, k=0, l;
 392     char statustext[LINE_LENGTH];
 393
 394     if ( screenupdated )
 395     {
 396         return;
 397     }
 398     rb->lcd_clear_display();
 399
 400     for(i=0; module->comment[i]!='\0'; i++)
 401     {
 402         if(module->comment[i] != '\n')
 403         {
 404             statustext[j] = module->comment[i];
 405             j++;
 406         }
 407
 408         if(module->comment[i] == '\n' || j>LINE_LENGTH-1)
 409         {
 410             rb->lcd_putsxy(1-(6*hscroll), 1+(8*k)-(8*vscroll), statustext);
 411             for( l=0; l<LINE_LENGTH; l++ )
 412             {
 413                 statustext[l] = 0;
 414             }
 415             k++;
 416             j=0;
 417         }
 418     }
 419     if (j>0)
 420     {
 421         rb->lcd_putsxy(1-(6*hscroll), 1+(8*k)-(8*vscroll), statustext);
 422     }
 423
 424     rb->lcd_update();
 425     screenupdated = true;
 426 }
 427
 428 int changedisplay()
 429 {
 430     display = (display+1) % 4;
 431
 432     if (display == DISPLAY_SAMPLE)
 433     {
 434         textlines = module->numsmp;
 435     }
 436
 437     if (display == DISPLAY_INST)
 438     {
 439         if ( module->flags & UF_INST )
 440         {
 441             textlines = module->numins;
 442         }
 443         else
 444         {
 445             display = DISPLAY_COMMENTS;
 446         }
 447     }
 448
 449     if (display == DISPLAY_COMMENTS)
 450     {
 451         if (module->comment)
 452         {
 453             textlines = 100;
 454         }
 455         else
 456         {
 457             display = DISPLAY_INFO;
 458         }
 459     }
 460     screenupdated = false;
 461     vscroll = 0;
 462     hscroll = 0;
 463 }
 464
 465 struct mikmod_settings
 466 {
 467     int pansep;
 468     int reverb;
 469     bool interp;
 470     bool reverse;
 471     bool surround;
 472     bool boost;
 473 };
 474
 475 static struct mikmod_settings settings =
 476 {
 477     128,
 478     0,
 479     0,
 480     0,
 481     1,
 482     1
 483 };
 484
 485 static struct mikmod_settings old_settings;
 486
 487 static struct configdata config[] =
 488 {
 489     { TYPE_INT, 0, 128, { .int_p = &settings.pansep }, "Panning Separation", NULL},
 490     { TYPE_INT, 0, 15, { .int_p = &settings.reverb }, "Reverberation", NULL},
 491     { TYPE_BOOL, 0, 1, { .bool_p = &settings.interp }, "Interpolation", NULL},
 492     { TYPE_BOOL, 0, 1, { .bool_p = &settings.reverse }, "Reverse Channels", NULL},
 493     { TYPE_BOOL, 0, 1, { .bool_p = &settings.surround }, "Surround", NULL},
 494     { TYPE_BOOL, 0, 1, { .bool_p = &settings.boost }, "CPU Boost", NULL},
 495 };
 496
 497 void applysettings()
 498 {
 499     md_pansep = settings.pansep;
 500     md_reverb = settings.reverb;
 501     md_mode = DMODE_STEREO | DMODE_16BITS | DMODE_SOFT_MUSIC | DMODE_SOFT_SNDFX;
 502     if ( settings.interp )
 503     {
 504         md_mode |= DMODE_INTERP;
 505     }
 506     if ( settings.reverse )
 507     {
 508         md_mode |= DMODE_REVERSE;
 509     }
 510     if ( settings.surround )
 511     {
 512         md_mode |= DMODE_SURROUND;
 513     }
 514 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
 515     if ( Player_Active() )
 516     {
 517         rb->cpu_boost(settings.boost);
 518     }
 519 #endif
 520 }
 521
 522 /**
 523   Shows the settings menu
 524  */
 525 int settings_menu(void)
 526 {
 527     int selection = 0;
 528     bool old_val;
 529
 530     MENUITEM_STRINGLIST(settings_menu, "Mikmod Settings", NULL, "Panning Separation",
 531                         "Reverberation", "Interpolation", "Reverse Channels", "Surround",
 532 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
 533                         "CPU Boost"
 534 #endif
 535                         );
 536
 537     do
 538     {
 539         selection=rb->do_menu(&settings_menu,&selection, NULL, false);
 540         switch(selection)
 541         {
 542         case 0:
 543             rb->set_int("Panning Separation", "", 1,
 544                         &(settings.pansep),
 545                         NULL, 8, 0, 128, NULL );
 546             applysettings();
 547             break;
 548
 549         case 1:
 550             rb->set_int("Reverberation", "", 1,
 551                         &(settings.reverb),
 552                         NULL, 1, 0, 15, NULL );
 553             applysettings();
 554             break;
 555
 556         case 2:
 557             rb->set_bool("Interpolation", &(settings.interp));
 558             applysettings();
 559             break;
 560
 561         case 3:
 562             rb->set_bool("Reverse Channels", &(settings.reverse));
 563             applysettings();
 564             break;
 565
 566         case 4:
 567             rb->set_bool("Surround", &(settings.surround));
 568             applysettings();
 569             break;
 570
 571         case 5:
 572             rb->set_bool("CPU Boost", &(settings.boost));
 573             applysettings();
 574             break;
 575
 576         case MENU_ATTACHED_USB:
 577             return PLUGIN_USB_CONNECTED;
 578         }
 579     } while ( selection >= 0 );
 580     return 0;
 581 }
 582
 583 /**
 584   Show the main menu
 585  */
 586 int main_menu(void)
 587 {
 588     int selection = 0;
 589     int result;
 590
 591     MENUITEM_STRINGLIST(main_menu,"Mikmod Main Menu",NULL,
 592                         "Settings", "Return", "Quit");
 593     while (1)
 594     {
 595         switch (rb->do_menu(&main_menu,&selection, NULL, false))
 596         {
 597         case 0:
 598             result = settings_menu();
 599             if ( result != 0 ) return result;
 600             break;
 601
 602         case 1:
 603             return 0;
 604
 605         case 2:
 606             return -1;
 607
 608         case MENU_ATTACHED_USB:
 609             return PLUGIN_USB_CONNECTED;
 610
 611         default:
 612             return 0;
 613         }
 614     }
 615 }
 616
 617 #ifdef USETHREADS
 618 /* double buffering thread */
 619 void thread(void)
 620 {
 621     struct queue_event ev;
 622
 623     while (1)
 624     {
 625         synthbuf();
 626         rb->queue_wait_w_tmo(&thread_q, &ev, HZ/20);
 627         switch (ev.id) {
 628             case EV_EXIT:
 629                 return;
 630         }
 631     }
 632 }
 633 #endif
 634
 635 void mm_errorhandler(void)
 636 {
 637     rb->splashf(HZ, "%s", MikMod_strerror(MikMod_errno));
 638     quit = true;
 639 }
 640
 641 int playfile(char* filename)
 642 {
 643     int vol = 0;
 644     int button;
 645     int retval = PLUGIN_OK;
 646     bool changingpos = false;
 647     int menureturn;
 648
 649     playingtime = 0;
 650
 651     rb->splashf(HZ, "Loading %s", filename);
 652
 653     module = Player_Load(filename, 64, 0);
 654
 655     if (!module)
 656     {
 657         rb->splashf(HZ, "%s", MikMod_strerror(MikMod_errno));
 658         retval = PLUGIN_ERROR;
 659         quit = true;
 660     }
 661     else
 662     {
 663         display = DISPLAY_INFO;
 664         Player_Start(module);
 665         rb->pcm_play_data(&get_more, NULL, 0);
 666     }
 667
 668 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
 669     if ( settings.boost )
 670         rb->cpu_boost(true);
 671 #endif
 672 #ifdef USETHREADS
 673     rb->queue_init(&thread_q, true);
 674     if ((thread_id = rb->create_thread(thread, thread_stack,
 675         sizeof(thread_stack), 0, "render buffering thread"
 676         IF_PRIO(, PRIORITY_PLAYBACK)
 677         IF_COP(, CPU))) == 0)
 678     {
 679         rb->splash(HZ, "Cannot create thread!");
 680         return PLUGIN_ERROR;
 681     }
 682 #endif
 683
 684     while (!quit && Player_Active() && retval == PLUGIN_OK)
 685     {
 686 #if !defined(SYNC) && !defined(USETHREADS)
 687         synthbuf();
 688 #endif
 689         switch (display)
 690         {
 691         case DISPLAY_SAMPLE:
 692             showsamples();
 693             break;
 694         case DISPLAY_INST:
 695             showinstruments();
 696             break;
 697         case DISPLAY_COMMENTS:
 698             showcomments();
 699             break;
 700         default:
 701             showinfo();
 702         }
 703
 704         rb->yield();
 705
 706         /* Prevent idle poweroff */
 707         rb->reset_poweroff_timer();
 708
 709         button = rb->get_action(CONTEXT_WPS, TIMEOUT_NOBLOCK);
 710         switch (button)
 711         {
 712         case ACTION_WPS_VOLUP:
 713             if ( display != DISPLAY_INFO )
 714             {
 715                 if ( textlines-vscroll >= MAX_LINES )
 716                 {
 717                     vscroll++;
 718                     screenupdated = false;
 719                 }
 720                 break;
 721             }
 722             vol = rb->global_settings->volume;
 723             if (vol < rb->sound_max(SOUND_VOLUME))
 724             {
 725                 vol++;
 726                 rb->sound_set(SOUND_VOLUME, vol);
 727                 rb->global_settings->volume = vol;
 728             }
 729             break;
 730
 731         case ACTION_WPS_VOLDOWN:
 732             if ( display != DISPLAY_INFO )
 733             {
 734                 if ( vscroll > 0 )
 735                 {
 736                     vscroll--;
 737                     screenupdated = false;
 738                 }
 739                 break;
 740             }
 741             vol = rb->global_settings->volume;
 742             if (vol > rb->sound_min(SOUND_VOLUME))
 743             {
 744                 vol--;
 745                 rb->sound_set(SOUND_VOLUME, vol);
 746                 rb->global_settings->volume = vol;
 747             }
 748             break;
 749
 750         case ACTION_WPS_SKIPPREV:
 751             if(entries>1 && !changingpos)
 752             {
 753                 if ((int)(module->sngtime >> 10) > 2)
 754                 {
 755                     Player_SetPosition(0);
 756                     module->sngtime = 0;
 757                 }
 758                 else {
 759                     retval = change_filename(DIR_PREV);
 760                 }
 761             }
 762             else
 763             {
 764                 changingpos = false;
 765             }
 766             break;
 767         case ACTION_WPS_SEEKBACK:
 768             if ( display != DISPLAY_INFO )
 769             {
 770                 if ( hscroll > 0 )
 771                 {
 772                     hscroll--;
 773                     screenupdated = false;
 774                 }
 775                 break;
 776             }
 777             Player_PrevPosition();
 778             changingpos = true;
 779             break;
 780
 781         case ACTION_WPS_SKIPNEXT:
 782             if(entries>1 && !changingpos)
 783             {
 784                 retval = change_filename(DIR_NEXT);
 785             }
 786             else
 787             {
 788                 changingpos = false;
 789             }
 790             break;
 791         case ACTION_WPS_SEEKFWD:
 792             if ( display != DISPLAY_INFO )
 793             {
 794                 hscroll++;
 795                 screenupdated = false;
 796                 break;
 797             }
 798             Player_NextPosition();
 799             changingpos = true;
 800             break;
 801
 802         case ACTION_WPS_PLAY:
 803             if(!Player_Paused())
 804             {
 805                 rb->pcm_play_stop();
 806             }
 807             else
 808             {
 809                 rb->pcm_play_data(&get_more, NULL, 0);
 810             }
 811             Player_TogglePause();
 812             break;
 813
 814         case ACTION_WPS_BROWSE:
 815             changedisplay();
 816             break;
 817
 818         case ACTION_WPS_MENU:
 819             menureturn = main_menu();
 820             if ( menureturn != 0 )
 821             {
 822                 quit = true;
 823                 if ( menureturn == PLUGIN_USB_CONNECTED )
 824                 {
 825                     retval = menureturn;
 826                 }
 827             }
 828             rb->lcd_setfont(0);
 829             screenupdated = false;
 830             break;
 831
 832         case ACTION_WPS_STOP:
 833             quit = true;
 834             break;
 835
 836         default:
 837             if (rb->default_event_handler(button) == SYS_USB_CONNECTED)
 838             {
 839                 quit = true;
 840                 retval = PLUGIN_USB_CONNECTED;
 841             }
 842         }
 843     }
 844
 845 #ifdef USETHREADS
 846     rb->queue_post(&thread_q, EV_EXIT, 0);
 847     rb->thread_wait(thread_id);
 848     rb->queue_delete(&thread_q);
 849 #endif
 850 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
 851     if ( settings.boost )
 852         rb->cpu_boost(false);
 853 #endif
 854
 855     Player_Stop();
 856     Player_Free(module);
 857
 858     memset(gmbuf, '\0', sizeof(gmbuf));
 859
 860     if ( retval == PLUGIN_OK && entries > 1 && !quit )
 861     {
 862         retval = change_filename(DIR_NEXT);
 863     }
 864
 865     return retval;
 866 }
 867
 868 /*
 869 * Plugin entry point
 870 *
 871 */
 872 enum plugin_status plugin_start(const void* parameter)
 873 {
 874     enum plugin_status retval;
 875
 876     if (parameter == NULL)
 877     {
 878         rb->splash(HZ*2, " Play .mod, .it, .s3m, .xm file ");
 879         return PLUGIN_OK;
 880     }
 881
 882     rb->lcd_setfont(0);
 883
 884     rb->pcm_play_stop();
 885 #if INPUT_SRC_CAPS != 0
 886     /* Select playback */
 887     rb->audio_set_input_source(AUDIO_SRC_PLAYBACK, SRCF_PLAYBACK);
 888     rb->audio_set_output_source(AUDIO_SRC_PLAYBACK);
 889 #endif
 890     rb->pcm_set_frequency(SAMPLE_RATE);
 891
 892     audio_buffer = rb->plugin_get_audio_buffer((size_t *)&audio_buffer_free);
 893
 894     rb->strcpy(np_file, parameter);
 895     get_mod_list();
 896     if(!entries) {
 897         return PLUGIN_ERROR;
 898     }
 899
 900     //add_pool(audio_buffer, audio_buffer_free);
 901     init_memory_pool(audio_buffer_free, audio_buffer);
 902
 903     MikMod_RegisterDriver(&drv_nos);
 904     MikMod_RegisterAllLoaders();
 905     MikMod_RegisterErrorHandler(mm_errorhandler);
 906
 907     md_mixfreq = SAMPLE_RATE;
 908
 909     configfile_load(MIKMOD_CONFIGFILE, config,
 910                     ARRAYLEN(config), MIKMOD_SETTINGS_MINVERSION);
 911     rb->memcpy(&old_settings, &settings, sizeof (settings));
 912     applysettings();
 913
 914     if (MikMod_Init(""))
 915     {
 916         rb->splashf(HZ, "%s", MikMod_strerror(MikMod_errno));
 917         return PLUGIN_ERROR;
 918     }
 919
 920     do
 921     {
 922         retval = playfile(np_file);
 923     } while (retval == PLUGIN_NEWSONG);
 924
 925     MikMod_Exit();
 926
 927     rb->pcm_play_stop();
 928     rb->pcm_set_frequency(HW_SAMPR_DEFAULT);
 929
 930     if (retval == PLUGIN_OK)
 931     {
 932         rb->splash(0, "Saving Settings");
 933         if (rb->memcmp(&settings, &old_settings, sizeof (settings)))
 934         {
 935             configfile_save(MIKMOD_CONFIGFILE, config,
 936                         ARRAYLEN(config), MIKMOD_SETTINGS_MINVERSION);
 937         }
 938     }
 939
 940     destroy_memory_pool(audio_buffer);
 941
 942     return retval;
 943 }