apps/plugins/midi/midiplay.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2005 Karl Kurbjun based on midi2wav by Stepan Moskovchenko
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include "plugin.h"
  22 #include "guspat.h"
  23 #include "midiutil.h"
  24 #include "synth.h"
  25 #include "sequencer.h"
  26 #include "midifile.h"
  27
  28 PLUGIN_HEADER
  29 PLUGIN_IRAM_DECLARE
  30
  31 /* variable button definitions */
  32 #if (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
  33 #define BTN_QUIT         BUTTON_OFF
  34 #define BTN_RIGHT        BUTTON_RIGHT
  35 #define BTN_UP           BUTTON_UP
  36 #define BTN_DOWN         BUTTON_DOWN
  37 #define BTN_LEFT         BUTTON_LEFT
  38 #define BTN_RC_QUIT      BUTTON_RC_STOP
  39 #define BTN_PLAY         BUTTON_ON
  40
  41 #elif (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD) || \
  42       (CONFIG_KEYPAD == IPOD_1G2G_PAD)
  43 #define BTN_QUIT         (BUTTON_SELECT | BUTTON_MENU)
  44 #define BTN_RIGHT        BUTTON_RIGHT
  45 #define BTN_LEFT         BUTTON_LEFT
  46 #define BTN_UP           BUTTON_SCROLL_FWD
  47 #define BTN_DOWN         BUTTON_SCROLL_BACK
  48 #define BTN_PLAY         BUTTON_PLAY
  49
  50
  51 #elif (CONFIG_KEYPAD == GIGABEAT_PAD)
  52 #define BTN_QUIT         BUTTON_POWER
  53 #define BTN_RIGHT        BUTTON_RIGHT
  54 #define BTN_LEFT         BUTTON_LEFT
  55 #define BTN_UP           BUTTON_UP
  56 #define BTN_DOWN         BUTTON_DOWN
  57 #define BTN_PLAY         BUTTON_A
  58
  59
  60 #elif (CONFIG_KEYPAD == GIGABEAT_S_PAD)
  61 #define BTN_QUIT         BUTTON_POWER
  62 #define BTN_RIGHT        BUTTON_RIGHT
  63 #define BTN_LEFT         BUTTON_LEFT
  64 #define BTN_UP           BUTTON_UP
  65 #define BTN_DOWN         BUTTON_DOWN
  66 #define BTN_PLAY         BUTTON_PLAY
  67
  68
  69 #elif (CONFIG_KEYPAD == SANSA_E200_PAD)
  70 #define BTN_QUIT         BUTTON_POWER
  71 #define BTN_RIGHT        BUTTON_RIGHT
  72 #define BTN_LEFT         BUTTON_LEFT
  73 #define BTN_UP           BUTTON_SCROLL_FWD
  74 #define BTN_DOWN         BUTTON_SCROLL_BACK
  75 #define BTN_PLAY         BUTTON_UP
  76
  77 #elif (CONFIG_KEYPAD == SANSA_FUZE_PAD)
  78 #define BTN_QUIT         (BUTTON_HOME|BUTTON_REPEAT)
  79 #define BTN_RIGHT        BUTTON_RIGHT
  80 #define BTN_LEFT         BUTTON_LEFT
  81 #define BTN_UP           BUTTON_SCROLL_FWD
  82 #define BTN_DOWN         BUTTON_SCROLL_BACK
  83 #define BTN_PLAY         BUTTON_UP
  84
  85
  86 #elif (CONFIG_KEYPAD == SANSA_C200_PAD) || \
  87 (CONFIG_KEYPAD == SANSA_CLIP_PAD) || \
  88 (CONFIG_KEYPAD == SANSA_M200_PAD)
  89 #define BTN_QUIT         BUTTON_POWER
  90 #define BTN_RIGHT        BUTTON_RIGHT
  91 #define BTN_LEFT         BUTTON_LEFT
  92 #define BTN_UP           BUTTON_VOL_UP
  93 #define BTN_DOWN         BUTTON_VOL_DOWN
  94 #define BTN_PLAY         BUTTON_UP
  95
  96
  97 #elif CONFIG_KEYPAD == IAUDIO_X5M5_PAD
  98 #define BTN_QUIT         BUTTON_POWER
  99 #define BTN_RIGHT        BUTTON_RIGHT
 100 #define BTN_LEFT         BUTTON_LEFT
 101 #define BTN_UP           BUTTON_UP
 102 #define BTN_DOWN         BUTTON_DOWN
 103 #define BTN_PLAY         BUTTON_PLAY
 104
 105
 106 #elif CONFIG_KEYPAD == IRIVER_H10_PAD
 107 #define BTN_QUIT         BUTTON_POWER
 108 #define BTN_RIGHT        BUTTON_RIGHT
 109 #define BTN_LEFT         BUTTON_LEFT
 110 #define BTN_UP           BUTTON_SCROLL_UP
 111 #define BTN_DOWN         BUTTON_SCROLL_DOWN
 112 #define BTN_PLAY         BUTTON_PLAY
 113
 114
 115 #elif CONFIG_KEYPAD == MROBE500_PAD
 116 #define BTN_QUIT         BUTTON_POWER
 117 #define BTN_RIGHT        BUTTON_RIGHT
 118 #define BTN_LEFT         BUTTON_LEFT
 119 #define BTN_UP           BUTTON_RC_PLAY
 120 #define BTN_DOWN         BUTTON_RC_DOWN
 121 #define BTN_PLAY         BUTTON_RC_HEART
 122
 123
 124 #elif (CONFIG_KEYPAD == MROBE100_PAD)
 125 #define BTN_QUIT         BUTTON_POWER
 126 #define BTN_RIGHT        BUTTON_RIGHT
 127 #define BTN_LEFT         BUTTON_LEFT
 128 #define BTN_UP           BUTTON_UP
 129 #define BTN_DOWN         BUTTON_DOWN
 130 #define BTN_PLAY         BUTTON_DISPLAY
 131
 132
 133 #elif CONFIG_KEYPAD == IAUDIO_M3_PAD
 134 #define BTN_QUIT         BUTTON_RC_REC
 135 #define BTN_RIGHT        BUTTON_RC_FF
 136 #define BTN_LEFT         BUTTON_RC_REW
 137 #define BTN_UP           BUTTON_RC_VOL_UP
 138 #define BTN_DOWN         BUTTON_RC_VOL_DOWN
 139 #define BTN_PLAY         BUTTON_RC_PLAY
 140
 141
 142 #elif CONFIG_KEYPAD == COWON_D2_PAD
 143 #define BTN_QUIT         BUTTON_POWER
 144
 145 #elif CONFIG_KEYPAD == IAUDIO67_PAD
 146 #define BTN_QUIT         BUTTON_POWER
 147 #define BTN_RIGHT        BUTTON_RIGHT
 148 #define BTN_LEFT         BUTTON_LEFT
 149 #define BTN_UP           BUTTON_STOP
 150 #define BTN_DOWN         BUTTON_PLAY
 151 #define BTN_PLAY         BUTTON_MENU
 152
 153 #elif CONFIG_KEYPAD == CREATIVEZVM_PAD
 154 #define BTN_QUIT         BUTTON_BACK
 155 #define BTN_RIGHT        BUTTON_RIGHT
 156 #define BTN_LEFT         BUTTON_LEFT
 157 #define BTN_UP           BUTTON_UP
 158 #define BTN_DOWN         BUTTON_DOWN
 159 #define BTN_PLAY         BUTTON_PLAY
 160
 161 #elif CONFIG_KEYPAD == PHILIPS_HDD1630_PAD
 162 #define BTN_QUIT         BUTTON_POWER
 163 #define BTN_RIGHT        BUTTON_RIGHT
 164 #define BTN_LEFT         BUTTON_LEFT
 165 #define BTN_UP           BUTTON_UP
 166 #define BTN_DOWN         BUTTON_DOWN
 167 #define BTN_PLAY         BUTTON_MENU
 168
 169 #elif CONFIG_KEYPAD == PHILIPS_SA9200_PAD
 170 #define BTN_QUIT         BUTTON_POWER
 171 #define BTN_RIGHT        BUTTON_NEXT
 172 #define BTN_LEFT         BUTTON_PREV
 173 #define BTN_UP           BUTTON_UP
 174 #define BTN_DOWN         BUTTON_DOWN
 175 #define BTN_PLAY         BUTTON_MENU
 176
 177 #elif CONFIG_KEYPAD == ONDAVX747_PAD
 178 #define BTN_QUIT         BUTTON_POWER
 179 #elif CONFIG_KEYPAD == ONDAVX777_PAD
 180 #define BTN_QUIT         BUTTON_POWER
 181
 182 #elif CONFIG_KEYPAD == SAMSUNG_YH_PAD
 183 #define BTN_QUIT         BUTTON_REW
 184 #define BTN_RIGHT        BUTTON_RIGHT
 185 #define BTN_LEFT         BUTTON_LEFT
 186 #define BTN_UP           BUTTON_UP
 187 #define BTN_DOWN         BUTTON_DOWN
 188 #define BTN_PLAY         BUTTON_PLAY
 189
 190 #elif CONFIG_KEYPAD == PBELL_VIBE500_PAD
 191 #define BTN_QUIT         BUTTON_REC
 192 #define BTN_RIGHT        BUTTON_NEXT
 193 #define BTN_LEFT         BUTTON_PREV
 194 #define BTN_UP           BUTTON_UP
 195 #define BTN_DOWN         BUTTON_DOWN
 196 #define BTN_PLAY         BUTTON_PLAY
 197
 198 #else
 199 #error No keymap defined!
 200 #endif
 201
 202 #ifdef HAVE_TOUCHSCREEN
 203 #ifndef BTN_QUIT
 204 #define BTN_QUIT         BUTTON_TOPLEFT
 205 #endif
 206 #ifndef BTN_RIGHT
 207 #define BTN_RIGHT        BUTTON_MIDRIGHT
 208 #endif
 209 #ifndef BTN_LEFT
 210 #define BTN_LEFT         BUTTON_MIDLEFT
 211 #endif
 212 #ifndef BTN_UP
 213 #define BTN_UP           BUTTON_TOPMIDDLE
 214 #endif
 215 #ifndef BTN_DOWN
 216 #define BTN_DOWN         BUTTON_BOTTOMMIDDLE
 217 #endif
 218 #ifndef BTN_PLAY
 219 #define BTN_PLAY         BUTTON_CENTER
 220 #endif
 221 #endif
 222
 223 #undef SYNC
 224
 225 #ifdef SIMULATOR
 226 #define SYNC
 227 #endif
 228
 229 struct MIDIfile * mf IBSS_ATTR;
 230
 231 int number_of_samples IBSS_ATTR; /* the number of samples in the current tick */
 232 int playing_time IBSS_ATTR;  /* How many seconds into the file have we been playing? */
 233 int samples_this_second IBSS_ATTR;    /* How many samples produced during this second so far? */
 234 long bpm IBSS_ATTR;
 235
 236 int32_t gmbuf[BUF_SIZE*NBUF];
 237 static unsigned int samples_in_buf;
 238
 239 bool quit = false;
 240 bool swap = false;
 241 bool lastswap = true;
 242
 243 static inline void synthbuf(void)
 244 {
 245     int32_t *outptr;
 246     int i = BUF_SIZE;
 247
 248 #ifndef SYNC
 249     if (lastswap == swap)
 250         return;
 251     lastswap = swap;
 252
 253     outptr = (swap ? gmbuf : gmbuf+BUF_SIZE);
 254 #else
 255     outptr = gmbuf;
 256 #endif
 257
 258     /* synth samples for as many whole ticks as we can fit in the buffer */
 259     for (; i >= number_of_samples; i -= number_of_samples)
 260     {
 261         synthSamples((int32_t*)outptr, number_of_samples);
 262         outptr += number_of_samples;
 263 #ifndef SYNC
 264         /* synthbuf is called in interrupt context is SYNC is defined so it cannot yield
 265            that bug causing the sim to crach when not using SYNC should really be fixed */
 266         rb->yield();
 267 #endif
 268         if (tick() == 0)
 269             quit = true;
 270     }
 271
 272     /* how many samples did we write to the buffer? */
 273     samples_in_buf = BUF_SIZE-i;
 274 }
 275
 276 void get_more(unsigned char** start, size_t* size)
 277 {
 278 #ifndef SYNC
 279     if(lastswap != swap)
 280     {
 281         printf("Buffer miss!"); /* Comment out the printf to make missses less noticable. */
 282     }
 283
 284 #else
 285     synthbuf();  /* For some reason midiplayer crashes when an update is forced */
 286 #endif
 287
 288     *size = samples_in_buf*sizeof(int32_t);
 289 #ifndef SYNC
 290     *start = (unsigned char*)((swap ? gmbuf : gmbuf + BUF_SIZE));
 291     swap = !swap;
 292 #else
 293     *start = (unsigned char*)(gmbuf);
 294 #endif
 295 }
 296
 297 static int midimain(const void * filename)
 298 {
 299     int a, notes_used, vol;
 300     bool is_playing = true;  /* false = paused */
 301
 302     printf("Loading file");
 303     mf = loadFile(filename);
 304
 305     if (mf == NULL)
 306     {
 307         printf("Error loading file.");
 308         return -1;
 309     }
 310
 311     if (initSynth(mf, ROCKBOX_DIR "/patchset/patchset.cfg",
 312         ROCKBOX_DIR "/patchset/drums.cfg") == -1)
 313         return -1;
 314
 315     rb->pcm_play_stop();
 316 #if INPUT_SRC_CAPS != 0
 317     /* Select playback */
 318     rb->audio_set_input_source(AUDIO_SRC_PLAYBACK, SRCF_PLAYBACK);
 319     rb->audio_set_output_source(AUDIO_SRC_PLAYBACK);
 320 #endif
 321     rb->pcm_set_frequency(SAMPLE_RATE); /* 44100 22050 11025 */
 322
 323     /*
 324         * tick() will do one MIDI clock tick. Then, there's a loop here that
 325         * will generate the right number of samples per MIDI tick. The whole
 326         * MIDI playback is timed in terms of this value.. there are no forced
 327         * delays or anything. It just produces enough samples for each tick, and
 328         * the playback of these samples is what makes the timings right.
 329         *
 330         * This seems to work quite well. On a laptop, anyway.
 331         */
 332
 333     printf("Okay, starting sequencing");
 334
 335     bpm = mf->div*1000000/tempo;
 336     number_of_samples = SAMPLE_RATE/bpm;
 337
 338     /* Skip over any junk in the beginning of the file, so start playing */
 339     /* after the first note event */
 340     do
 341     {
 342         notes_used = 0;
 343         for (a = 0; a < MAX_VOICES; a++)
 344             if (voices[a].isUsed)
 345                 notes_used++;
 346         tick();
 347     } while (notes_used == 0);
 348
 349     playing_time = 0;
 350     samples_this_second = 0;
 351
 352     synthbuf();
 353     rb->pcm_play_data(&get_more, NULL, 0);
 354
 355     while (!quit)
 356     {
 357     #ifndef SYNC
 358         synthbuf();
 359     #endif
 360         rb->yield();
 361
 362         /* Prevent idle poweroff */
 363         rb->reset_poweroff_timer();
 364
 365         /* Code taken from Oscilloscope plugin */
 366         switch (rb->button_get(false))
 367         {
 368             case BTN_UP:
 369             case BTN_UP | BUTTON_REPEAT:
 370             {
 371                 vol = rb->global_settings->volume;
 372                 if (vol < rb->sound_max(SOUND_VOLUME))
 373                 {
 374                     vol++;
 375                     rb->sound_set(SOUND_VOLUME, vol);
 376                     rb->global_settings->volume = vol;
 377                 }
 378                 break;
 379             }
 380
 381             case BTN_DOWN:
 382             case BTN_DOWN | BUTTON_REPEAT:
 383             {
 384                 vol = rb->global_settings->volume;
 385                 if (vol > rb->sound_min(SOUND_VOLUME))
 386                 {
 387                     vol--;
 388                     rb->sound_set(SOUND_VOLUME, vol);
 389                     rb->global_settings->volume = vol;
 390                 }
 391                 break;
 392             }
 393
 394             case BTN_LEFT:
 395             {
 396                 /* Rewinding is tricky. Basically start the file over */
 397                 /* but run through the tracks without the synth running */
 398                 rb->pcm_play_stop();
 399                 seekBackward(5);
 400                 printf("Rewind to %d:%02d\n", playing_time/60, playing_time%60);
 401                 if (is_playing)
 402                     rb->pcm_play_data(&get_more, NULL, 0);
 403                 break;
 404             }
 405
 406             case BTN_RIGHT:
 407             {
 408                 rb->pcm_play_stop();
 409                 seekForward(5);
 410                 printf("Skip to %d:%02d\n", playing_time/60, playing_time%60);
 411                 if (is_playing)
 412                     rb->pcm_play_data(&get_more, NULL, 0);
 413                 break;
 414             }
 415
 416             case BTN_PLAY:
 417             {
 418                 if (is_playing)
 419                 {
 420                     printf("Paused at %d:%02d\n", playing_time/60, playing_time%60);
 421                     is_playing = false;
 422                     rb->pcm_play_stop();
 423                 } else
 424                 {
 425                     printf("Playing from %d:%02d\n", playing_time/60, playing_time%60);
 426                     is_playing = true;
 427                     rb->pcm_play_data(&get_more, NULL, 0);
 428                 }
 429                 break;
 430             }
 431
 432 #ifdef BTN_RC_QUIT
 433             case BTN_RC_QUIT:
 434 #endif
 435             case BTN_QUIT:
 436                 quit = true;
 437         }
 438     }
 439     return 0;
 440 }
 441
 442 enum plugin_status plugin_start(const void* parameter)
 443 {
 444     int retval;
 445     PLUGIN_IRAM_INIT(rb)
 446
 447     if (parameter == NULL)
 448     {
 449         rb->splash(HZ*2, " Play .MID file ");
 450         return PLUGIN_OK;
 451     }
 452     rb->lcd_setfont(0);
 453
 454 #if defined(HAVE_ADJUSTABLE_CPU_FREQ)
 455     rb->cpu_boost(true);
 456 #endif
 457
 458     printf("%s", parameter);
 459     /*   rb->splash(HZ, true, parameter); */
 460
 461 #ifdef RB_PROFILE
 462     rb->profile_thread();
 463 #endif
 464
 465     retval = midimain(parameter);
 466
 467 #ifdef RB_PROFILE
 468     rb->profstop();
 469 #endif
 470
 471     rb->pcm_play_stop();
 472     rb->pcm_set_frequency(HW_SAMPR_DEFAULT);
 473
 474 #if defined(HAVE_ADJUSTABLE_CPU_FREQ)
 475     rb->cpu_boost(false);
 476 #endif
 477     rb->splash(HZ, "FINISHED PLAYING");
 478
 479     if (retval == -1)
 480         return PLUGIN_ERROR;
 481     return PLUGIN_OK;
 482 }
 483