[169] | 1 | //midi.c: |
---|
| 2 | |
---|
[668] | 3 | /* |
---|
[4708] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2011 |
---|
[668] | 5 | * |
---|
| 6 | * This file is part of roard a part of RoarAudio, |
---|
| 7 | * a cross-platform sound system for both, home and professional use. |
---|
| 8 | * See README for details. |
---|
| 9 | * |
---|
| 10 | * This file is free software; you can redistribute it and/or modify |
---|
| 11 | * it under the terms of the GNU General Public License version 3 |
---|
| 12 | * as published by the Free Software Foundation. |
---|
| 13 | * |
---|
| 14 | * RoarAudio is distributed in the hope that it will be useful, |
---|
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
| 17 | * GNU General Public License for more details. |
---|
| 18 | * |
---|
| 19 | * You should have received a copy of the GNU General Public License |
---|
| 20 | * along with this software; see the file COPYING. If not, write to |
---|
[3517] | 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
---|
| 22 | * Boston, MA 02110-1301, USA. |
---|
[668] | 23 | * |
---|
| 24 | */ |
---|
| 25 | |
---|
[169] | 26 | #include "roard.h" |
---|
| 27 | |
---|
[2500] | 28 | #ifndef ROAR_WITHOUT_DCOMP_MIDI |
---|
| 29 | |
---|
[1751] | 30 | #if defined(ROAR_HAVE_IO_POSIX) && !defined(ROAR_TARGET_WIN32) |
---|
| 31 | #define _HAVE_CONSOLE |
---|
| 32 | #endif |
---|
| 33 | |
---|
[1924] | 34 | int midi_init_config(void) { |
---|
| 35 | midi_config.init = 1; |
---|
| 36 | midi_config.inited = 0; |
---|
[2487] | 37 | |
---|
| 38 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[2445] | 39 | midi_config.init_cb = 0; |
---|
[1924] | 40 | midi_config.console_dev = NULL; |
---|
[2487] | 41 | #endif |
---|
[1924] | 42 | |
---|
| 43 | return 0; |
---|
| 44 | } |
---|
| 45 | |
---|
[185] | 46 | int midi_init (void) { |
---|
[2943] | 47 | struct roar_stream_server * ss; |
---|
[3558] | 48 | char cmap[16]; |
---|
[3215] | 49 | int i; |
---|
[1843] | 50 | |
---|
[1924] | 51 | midi_config.inited = 0; |
---|
[1843] | 52 | |
---|
[1924] | 53 | if ( midi_config.init ) { |
---|
[2487] | 54 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[1924] | 55 | if ( midi_config.init_cb ) { |
---|
| 56 | if ( midi_cb_init() == -1 ) { |
---|
| 57 | ROAR_WARN("Can not initialize MIDI subsystem component CB"); |
---|
| 58 | } |
---|
[3594] | 59 | } else { |
---|
| 60 | g_midi_cb.console = -1; |
---|
[1924] | 61 | } |
---|
[2487] | 62 | #endif |
---|
[1924] | 63 | |
---|
| 64 | if ( midi_clock_init() == -1 ) { |
---|
| 65 | ROAR_WARN("Can not initialize MIDI subsystem component clock"); |
---|
| 66 | } |
---|
| 67 | |
---|
[1848] | 68 | } |
---|
| 69 | |
---|
[1863] | 70 | g_midi_mess.buf = NULL; |
---|
| 71 | |
---|
[2943] | 72 | if ( (g_midi_mixer.stream = add_mixer(ROAR_SUBSYS_MIDI, _MIXER_NAME("MIDI"), &ss)) == -1 ) { |
---|
[2941] | 73 | ROAR_WARN("Can not create MIDI mixer"); |
---|
| 74 | } |
---|
[3547] | 75 | |
---|
[3558] | 76 | roardsp_chanlist_init(cmap, 16, ROARDSP_CHANLIST_MAP_MIDI); |
---|
| 77 | streams_set_map(g_midi_mixer.stream, cmap, 16); |
---|
[3547] | 78 | |
---|
[2943] | 79 | ss->state = ROAR_STREAMSTATE_OLD; |
---|
[2941] | 80 | |
---|
[3215] | 81 | for (i = 0; i < ROAR_STREAMS_MAX; i++) { |
---|
| 82 | if ( g_streams[i] != NULL ) { |
---|
| 83 | if ( streams_get_subsys(i) == ROAR_SUBSYS_MIDI ) { |
---|
| 84 | streams_set_mixer_stream(i, g_midi_mixer.stream); |
---|
| 85 | } |
---|
| 86 | } |
---|
| 87 | } |
---|
| 88 | |
---|
[1924] | 89 | midi_config.inited |= MIDI_INITED_MAIN; |
---|
| 90 | |
---|
[1843] | 91 | return 0; |
---|
| 92 | } |
---|
[1848] | 93 | |
---|
[1843] | 94 | int midi_free (void) { |
---|
[1924] | 95 | if ( midi_reinit() == -1 ) |
---|
| 96 | return -1; |
---|
| 97 | |
---|
[2487] | 98 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[1924] | 99 | if ( midi_cb_free() == -1 ) |
---|
| 100 | return -1; |
---|
[2487] | 101 | #endif |
---|
[1924] | 102 | |
---|
| 103 | return 0; |
---|
[1843] | 104 | } |
---|
| 105 | |
---|
| 106 | int midi_update(void) { |
---|
[1848] | 107 | |
---|
[1850] | 108 | if ( g_midi_clock.stream != -1 ) |
---|
| 109 | midi_check_bridge(g_midi_clock.stream); |
---|
[1848] | 110 | |
---|
[2489] | 111 | #ifndef ROAR_WITHOUT_DCOMP_SSYNTH |
---|
[2461] | 112 | midi_conv_mes2ssynth(); |
---|
[2489] | 113 | #endif |
---|
[2461] | 114 | |
---|
[2487] | 115 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[1843] | 116 | return midi_cb_update(); |
---|
[2487] | 117 | #else |
---|
| 118 | return 0; |
---|
| 119 | #endif |
---|
[1843] | 120 | } |
---|
| 121 | |
---|
[1855] | 122 | int midi_reinit(void) { |
---|
[1868] | 123 | |
---|
| 124 | if ( g_midi_mess.buf != NULL ) |
---|
| 125 | roar_buffer_free(g_midi_mess.buf); |
---|
| 126 | |
---|
| 127 | g_midi_mess.buf = NULL; |
---|
| 128 | |
---|
[1855] | 129 | return 0; |
---|
| 130 | } |
---|
| 131 | |
---|
[1845] | 132 | // STREAMS: |
---|
| 133 | |
---|
| 134 | int midi_check_stream (int id) { |
---|
[1846] | 135 | struct roar_stream * s; |
---|
| 136 | struct roar_stream_server * ss; |
---|
[1858] | 137 | struct roar_buffer * b; |
---|
[4521] | 138 | void * buf; |
---|
[1858] | 139 | ssize_t len; |
---|
[1846] | 140 | |
---|
| 141 | if ( g_streams[id] == NULL ) |
---|
| 142 | return -1; |
---|
| 143 | |
---|
| 144 | ROAR_DBG("midi_check_stream(id=%i) = ?", id); |
---|
| 145 | |
---|
| 146 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 147 | |
---|
[1848] | 148 | if ( s->dir == ROAR_DIR_BRIDGE ) |
---|
| 149 | return midi_check_bridge(id); |
---|
| 150 | |
---|
[1846] | 151 | switch (s->info.codec) { |
---|
[1858] | 152 | case ROAR_CODEC_MIDI: |
---|
| 153 | break; |
---|
| 154 | default: |
---|
| 155 | streams_delete(id); |
---|
| 156 | return -1; |
---|
| 157 | } |
---|
| 158 | |
---|
[4521] | 159 | if ( roar_buffer_new_data(&b, MIDI_READ_SIZE, &buf) == -1 ) { |
---|
[1858] | 160 | ROAR_ERR("midi_check_stream(*): Can not alloc buffer space!"); |
---|
| 161 | ROAR_DBG("midi_check_stream(*) = -1"); |
---|
| 162 | return -1; |
---|
| 163 | } |
---|
| 164 | |
---|
| 165 | if ( (len = stream_vio_s_read(ss, buf, MIDI_READ_SIZE)) < 1 ) { |
---|
| 166 | streams_delete(id); |
---|
[1862] | 167 | roar_buffer_free(b); |
---|
[1858] | 168 | return -1; |
---|
| 169 | } |
---|
| 170 | |
---|
| 171 | roar_buffer_set_len(b, len); |
---|
| 172 | |
---|
[1859] | 173 | if ( stream_add_buffer(id, b) == -1 ) { |
---|
| 174 | roar_buffer_free(b); |
---|
| 175 | streams_delete(id); |
---|
| 176 | return -1; |
---|
| 177 | } |
---|
| 178 | |
---|
[1858] | 179 | switch (s->info.codec) { |
---|
| 180 | case ROAR_CODEC_MIDI: |
---|
| 181 | return midi_conv_midi2mes(id); |
---|
| 182 | break; |
---|
[1846] | 183 | default: |
---|
| 184 | streams_delete(id); |
---|
| 185 | return -1; |
---|
| 186 | } |
---|
| 187 | |
---|
[5053] | 188 | ROAR_DBG("midi_check_stream(id=%i) = 0", id); |
---|
[1846] | 189 | return 0; |
---|
[1845] | 190 | } |
---|
[1846] | 191 | |
---|
[1845] | 192 | int midi_send_stream (int id) { |
---|
[1846] | 193 | struct roar_stream * s; |
---|
| 194 | struct roar_stream_server * ss; |
---|
| 195 | |
---|
| 196 | if ( g_streams[id] == NULL ) |
---|
| 197 | return -1; |
---|
| 198 | |
---|
| 199 | ROAR_DBG("midi_send_stream(id=%i) = ?", id); |
---|
| 200 | |
---|
| 201 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 202 | |
---|
| 203 | switch (s->info.codec) { |
---|
[1877] | 204 | case ROAR_CODEC_MIDI: |
---|
| 205 | return midi_conv_mes2midi(id); |
---|
| 206 | break; |
---|
[1846] | 207 | default: |
---|
| 208 | streams_delete(id); |
---|
| 209 | return -1; |
---|
| 210 | } |
---|
| 211 | |
---|
| 212 | return 0; |
---|
[1845] | 213 | } |
---|
| 214 | |
---|
[5089] | 215 | #if 1 |
---|
| 216 | static int _cache_to_mes(struct midi_message * mes, unsigned char * data, size_t len, |
---|
| 217 | int id, struct roar_stream_server * ss) { |
---|
| 218 | unsigned char type = *data; |
---|
| 219 | |
---|
| 220 | ROAR_DBG("_cache_to_mes(*): type=0x%.2X", (unsigned int)type); |
---|
| 221 | |
---|
| 222 | if (type == MIDI_TYPE_CLOCK_TICK || type == MIDI_TYPE_CLOCK_START || type == MIDI_TYPE_CLOCK_STOP ) { |
---|
| 223 | if ( len != 1 ) |
---|
| 224 | return -1; |
---|
| 225 | |
---|
| 226 | mes->type = type; |
---|
| 227 | |
---|
| 228 | if ( type == MIDI_TYPE_CLOCK_TICK ) { |
---|
| 229 | // TODO: |
---|
| 230 | ROAR_STREAM(ss)->pos = ROAR_MATH_OVERFLOW_ADD(ROAR_STREAM(ss)->pos, 1); |
---|
| 231 | } |
---|
| 232 | } else { |
---|
| 233 | mes->type = type & 0xF0; |
---|
| 234 | mes->channel = type & 0x0F; |
---|
| 235 | |
---|
| 236 | switch (mes->type) { |
---|
| 237 | case MIDI_TYPE_NOTE_ON: |
---|
| 238 | case MIDI_TYPE_NOTE_OFF: |
---|
| 239 | if ( len != 3 ) |
---|
| 240 | return -1; |
---|
| 241 | roar_midi_note_from_midiid(&(mes->d.note), data[1]); |
---|
| 242 | |
---|
| 243 | // if velocity is zero we have a NOTE OFF event |
---|
| 244 | if ( data[2] == 0 ) |
---|
| 245 | mes->type = MIDI_TYPE_NOTE_OFF; |
---|
| 246 | case MIDI_TYPE_PA: |
---|
| 247 | case MIDI_TYPE_CONTROLER: |
---|
| 248 | mes->kk = data[1]; |
---|
| 249 | mes->vv = data[2]; |
---|
| 250 | break; |
---|
| 251 | case MIDI_TYPE_PROGRAM: |
---|
| 252 | case MIDI_TYPE_MA: |
---|
| 253 | if ( len != 2 ) |
---|
| 254 | return -1; |
---|
| 255 | mes->vv = data[1]; |
---|
| 256 | break; |
---|
| 257 | case MIDI_TYPE_PB: |
---|
| 258 | case MIDI_TYPE_SYSEX: |
---|
| 259 | ROAR_WARN("_cache_to_mes(id=%i): Message of Type 0x%.2X (PB or SysEx) not yet supported", id, (unsigned int)type); |
---|
| 260 | return -1; |
---|
| 261 | break; |
---|
| 262 | } |
---|
| 263 | } |
---|
| 264 | |
---|
| 265 | switch (mes->type) { |
---|
| 266 | case MIDI_TYPE_CONTROLER: |
---|
| 267 | switch (mes->kk) { |
---|
| 268 | case MIDI_CCE_MAIN_VOL: |
---|
| 269 | if ( (516 * mes->vv) > 65100 ) { // max volume |
---|
| 270 | ss->mixer.mixer[mes->channel] = 65535; |
---|
| 271 | } else { |
---|
| 272 | ss->mixer.mixer[mes->channel] = 516 * mes->vv; |
---|
| 273 | } |
---|
| 274 | break; |
---|
| 275 | } |
---|
| 276 | break; |
---|
| 277 | } |
---|
| 278 | |
---|
| 279 | ROAR_DBG("_cache_to_mes(*) = 0"); |
---|
| 280 | return 0; |
---|
| 281 | } |
---|
| 282 | |
---|
| 283 | int midi_conv_midi2mes (int id) { |
---|
| 284 | struct roar_stream * s; |
---|
| 285 | struct roar_stream_server * ss; |
---|
| 286 | size_t have; |
---|
| 287 | void * bufdata; |
---|
| 288 | unsigned char * data; |
---|
| 289 | unsigned char cache[3]; |
---|
| 290 | size_t cachepos = 0; |
---|
| 291 | int sync = 1; |
---|
| 292 | struct roar_buffer * buf = NULL; |
---|
| 293 | struct midi_message * mes = NULL; |
---|
| 294 | |
---|
| 295 | if ( g_streams[id] == NULL ) |
---|
| 296 | return -1; |
---|
| 297 | |
---|
| 298 | ROAR_DBG("midi_conv_midi2mes(id=%i) = ?", id); |
---|
| 299 | |
---|
| 300 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 301 | |
---|
| 302 | while (ss->buffer != NULL) { |
---|
| 303 | if ( roar_buffer_get_len(ss->buffer, &have) == -1 ) |
---|
| 304 | return -1; |
---|
| 305 | if ( roar_buffer_get_data(ss->buffer, &bufdata) == -1 ) |
---|
| 306 | return -1; |
---|
| 307 | data = bufdata; |
---|
| 308 | |
---|
| 309 | while (have) { |
---|
| 310 | if ( !sync ) { |
---|
| 311 | if ( *data & 0x80 ) { |
---|
| 312 | cachepos = 0; |
---|
| 313 | sync = 1; |
---|
| 314 | } else { |
---|
| 315 | data++; |
---|
| 316 | have--; |
---|
| 317 | continue; |
---|
| 318 | } |
---|
| 319 | } |
---|
| 320 | |
---|
| 321 | if ( (*data & 0x80) && cachepos != 0 ) { |
---|
| 322 | // submit cache. |
---|
| 323 | |
---|
| 324 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
---|
| 325 | // this is bad. |
---|
| 326 | // TODO: handle better. |
---|
| 327 | return -1; |
---|
| 328 | } |
---|
| 329 | |
---|
| 330 | if ( _cache_to_mes(mes, cache, cachepos, id, ss) == -1 ) { |
---|
| 331 | ROAR_WARN("midi_conv_midi2mes(id=%i): Message can not be parsed.", id); |
---|
| 332 | roar_buffer_free(buf); |
---|
| 333 | } else { |
---|
| 334 | midi_add_buf(id, buf); // FIXME: don't we need error handling here? |
---|
| 335 | } |
---|
| 336 | |
---|
| 337 | cachepos = 0; |
---|
| 338 | } else if ( cachepos == sizeof(cache) ) { |
---|
| 339 | // lost sync. |
---|
| 340 | sync = 0; |
---|
| 341 | continue; |
---|
| 342 | } |
---|
| 343 | |
---|
| 344 | ROAR_DBG("midi_conv_midi2mes(id=%i): cache[%u] = 0x%.2X", id, (unsigned int)cachepos, (unsigned int)*data); |
---|
| 345 | cache[cachepos++] = *data; |
---|
| 346 | data++; |
---|
| 347 | have--; |
---|
| 348 | } |
---|
| 349 | |
---|
| 350 | roar_buffer_next(&(ss->buffer)); |
---|
| 351 | } |
---|
| 352 | |
---|
| 353 | if ( cachepos ) { |
---|
| 354 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
---|
| 355 | // this is bad. |
---|
| 356 | // TODO: handle better. |
---|
| 357 | return -1; |
---|
| 358 | } |
---|
| 359 | |
---|
| 360 | if ( _cache_to_mes(mes, cache, cachepos, id, ss) == -1 ) { |
---|
| 361 | ROAR_WARN("midi_conv_midi2mes(id=%i): Message can not be parsed.", id); |
---|
| 362 | roar_buffer_free(buf); |
---|
| 363 | } else { |
---|
| 364 | midi_add_buf(id, buf); // FIXME: don't we need error handling here? |
---|
| 365 | cachepos = 0; |
---|
| 366 | } |
---|
| 367 | } |
---|
| 368 | |
---|
| 369 | if ( cachepos ) { |
---|
| 370 | if ( roar_buffer_new_data(&buf, cachepos, &bufdata) == -1 ) |
---|
| 371 | return -1; |
---|
| 372 | |
---|
| 373 | memcpy(bufdata, cache, cachepos); |
---|
| 374 | |
---|
| 375 | ss->buffer = buf; |
---|
| 376 | } |
---|
| 377 | |
---|
| 378 | return 0; |
---|
| 379 | } |
---|
| 380 | #else |
---|
[1858] | 381 | int midi_conv_midi2mes (int id) { |
---|
[4521] | 382 | void * bufdata; |
---|
[1863] | 383 | unsigned char * data; |
---|
| 384 | struct roar_stream * s; |
---|
| 385 | struct roar_stream_server * ss; |
---|
| 386 | struct roar_buffer * buf = NULL; |
---|
| 387 | struct midi_message * mes = NULL; |
---|
[1879] | 388 | size_t need = 0, have = 0, last_have = 0, old_have = 0; |
---|
[1863] | 389 | int alive = 1; |
---|
| 390 | |
---|
| 391 | if ( g_streams[id] == NULL ) |
---|
| 392 | return -1; |
---|
| 393 | |
---|
| 394 | ROAR_DBG("midi_conv_midi2mes(id=%i) = ?", id); |
---|
| 395 | |
---|
| 396 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 397 | |
---|
| 398 | while (ss->buffer != NULL && alive) { |
---|
[5053] | 399 | ROAR_DBG("midi_conv_midi2mes(id=%i): ss->buffer=%p, alive=%i", id, ss->buffer, alive); |
---|
| 400 | |
---|
[4521] | 401 | if ( roar_buffer_get_data(ss->buffer, &bufdata) == -1 ) { |
---|
[1863] | 402 | alive = 0; |
---|
| 403 | continue; |
---|
| 404 | } |
---|
| 405 | |
---|
[4521] | 406 | data = bufdata; |
---|
| 407 | |
---|
[1863] | 408 | if ( roar_buffer_get_len(ss->buffer, &have) == -1 ) { |
---|
| 409 | alive = 0; |
---|
| 410 | continue; |
---|
| 411 | } |
---|
[1879] | 412 | old_have = have; |
---|
[1863] | 413 | |
---|
| 414 | while (have && alive) { |
---|
[5053] | 415 | ROAR_DBG("midi_conv_midi2mes(id=%i): have=%llu, alive=%i", id, (long long unsigned int)have, alive); |
---|
| 416 | |
---|
[1863] | 417 | if ( *data & 0x80 ) { |
---|
[1865] | 418 | if ( buf != NULL ) { |
---|
[1866] | 419 | midi_add_buf(id, buf); |
---|
[1865] | 420 | buf = NULL; |
---|
| 421 | } |
---|
| 422 | |
---|
[1879] | 423 | last_have = have; |
---|
| 424 | |
---|
[1863] | 425 | need = 0; |
---|
| 426 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
---|
| 427 | alive = 0; |
---|
| 428 | continue; |
---|
| 429 | } |
---|
[1865] | 430 | |
---|
| 431 | if (*data == MIDI_TYPE_CLOCK_TICK || *data == MIDI_TYPE_CLOCK_START || *data == MIDI_TYPE_CLOCK_STOP ) { |
---|
| 432 | mes->type = *data; |
---|
[1891] | 433 | |
---|
| 434 | if ( *data == MIDI_TYPE_CLOCK_TICK ) { |
---|
| 435 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, 1); |
---|
| 436 | } |
---|
[1865] | 437 | } else { |
---|
| 438 | mes->type = *data & 0xF0; |
---|
| 439 | mes->channel = *data & 0x0F; |
---|
| 440 | switch (*data & 0xF0) { |
---|
| 441 | case MIDI_TYPE_NOTE_ON: |
---|
| 442 | case MIDI_TYPE_NOTE_OFF: |
---|
| 443 | need = 2; |
---|
| 444 | break; |
---|
| 445 | case MIDI_TYPE_PA: |
---|
| 446 | need = 2; |
---|
| 447 | break; |
---|
| 448 | case MIDI_TYPE_CONTROLER: |
---|
| 449 | need = 2; |
---|
| 450 | break; |
---|
| 451 | case MIDI_TYPE_PROGRAM: |
---|
| 452 | need = 1; |
---|
| 453 | break; |
---|
| 454 | case MIDI_TYPE_MA: |
---|
| 455 | need = 1; |
---|
| 456 | break; |
---|
| 457 | case MIDI_TYPE_PB: |
---|
| 458 | case MIDI_TYPE_SYSEX: |
---|
| 459 | need = 1; |
---|
| 460 | break; |
---|
| 461 | } |
---|
| 462 | } |
---|
| 463 | |
---|
[1863] | 464 | } else { |
---|
[1871] | 465 | |
---|
| 466 | if ( mes == NULL ) { |
---|
| 467 | ROAR_WARN("midi_conv_midi2mes(id=%i): Lost sync.", id); |
---|
| 468 | data++; |
---|
| 469 | have--; |
---|
| 470 | continue; |
---|
| 471 | } |
---|
| 472 | |
---|
| 473 | switch (mes->type) { |
---|
[1873] | 474 | case MIDI_TYPE_NOTE_ON: |
---|
| 475 | case MIDI_TYPE_NOTE_OFF: |
---|
[1881] | 476 | if ( need == 2 ) { |
---|
| 477 | roar_midi_note_from_midiid(&(mes->d.note), *data); |
---|
[2409] | 478 | |
---|
| 479 | // if velocity is zero we have a NOTE OFF event |
---|
| 480 | if ( data[1] == 0 ) |
---|
| 481 | mes->type = MIDI_TYPE_NOTE_OFF; |
---|
[1881] | 482 | } |
---|
[1874] | 483 | case MIDI_TYPE_PA: |
---|
| 484 | case MIDI_TYPE_CONTROLER: |
---|
[1873] | 485 | if ( need == 2 ) { |
---|
| 486 | mes->kk = *data; |
---|
| 487 | } else { |
---|
| 488 | mes->vv = *data; |
---|
| 489 | } |
---|
| 490 | break; |
---|
| 491 | case MIDI_TYPE_PROGRAM: |
---|
| 492 | case MIDI_TYPE_MA: |
---|
[1874] | 493 | mes->vv = *data; |
---|
| 494 | break; |
---|
[1873] | 495 | case MIDI_TYPE_PB: |
---|
| 496 | case MIDI_TYPE_SYSEX: |
---|
[1874] | 497 | ROAR_WARN("midi_conv_midi2mes(id=%i): Message of Type 0x%.2X (PB or SysEx) not yet supported", id, mes->type); |
---|
[1873] | 498 | break; |
---|
[1871] | 499 | } |
---|
| 500 | |
---|
[1863] | 501 | if ( need ) |
---|
| 502 | need--; |
---|
[1893] | 503 | |
---|
| 504 | if ( !need ) { |
---|
| 505 | switch (mes->type) { |
---|
| 506 | case MIDI_TYPE_CONTROLER: |
---|
| 507 | switch (mes->kk) { |
---|
| 508 | case MIDI_CCE_MAIN_VOL: |
---|
| 509 | if ( 516 * mes->vv > 65100 ) { // max volume |
---|
| 510 | ss->mixer.mixer[mes->channel] = 65535; |
---|
| 511 | } else { |
---|
| 512 | ss->mixer.mixer[mes->channel] = 516 * mes->vv; |
---|
| 513 | } |
---|
| 514 | break; |
---|
| 515 | } |
---|
| 516 | break; |
---|
| 517 | } |
---|
| 518 | } |
---|
| 519 | |
---|
[1863] | 520 | } |
---|
| 521 | data++; |
---|
| 522 | have--; |
---|
| 523 | } |
---|
| 524 | |
---|
[1865] | 525 | if ( need ) { |
---|
[5053] | 526 | ROAR_DBG("midi_conv_midi2mes(id=%i) = ?", id); |
---|
[1879] | 527 | if ( roar_buffer_set_offset(ss->buffer, old_have - last_have) == -1 ) { |
---|
| 528 | ROAR_ERR("midi_conv_midi2mes(*): FIXME: BUG!!! Need to restore buffer here with corrected length"); |
---|
| 529 | } |
---|
[1865] | 530 | } else if ( !have ) { |
---|
[1863] | 531 | roar_buffer_next(&(ss->buffer)); |
---|
| 532 | } |
---|
| 533 | |
---|
| 534 | if ( need && buf != NULL ) { |
---|
| 535 | roar_buffer_free(buf); |
---|
| 536 | buf = NULL; |
---|
| 537 | } else if ( buf != NULL ) { |
---|
[1866] | 538 | midi_add_buf(id, buf); |
---|
[1863] | 539 | buf = NULL; |
---|
| 540 | } |
---|
| 541 | } |
---|
| 542 | |
---|
| 543 | return 0; |
---|
[1858] | 544 | } |
---|
[5089] | 545 | #endif |
---|
[1858] | 546 | |
---|
[1877] | 547 | #define _nb len++; *(d++) |
---|
[1858] | 548 | int midi_conv_mes2midi (int id) { |
---|
[1877] | 549 | struct roar_stream * s; |
---|
| 550 | struct roar_stream_server * ss; |
---|
| 551 | struct roar_buffer * buf = g_midi_mess.buf; |
---|
| 552 | struct midi_message * mes = NULL; |
---|
[4521] | 553 | void * bufdata; |
---|
[1877] | 554 | unsigned char data[3]; |
---|
| 555 | unsigned char * d; |
---|
| 556 | int len; |
---|
[1909] | 557 | int send_clock; |
---|
[1877] | 558 | |
---|
| 559 | if ( g_streams[id] == NULL ) |
---|
| 560 | return -1; |
---|
| 561 | |
---|
| 562 | ROAR_DBG("midi_conv_mes2midi(id=%i) = ?", id); |
---|
| 563 | |
---|
| 564 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 565 | |
---|
[1909] | 566 | send_clock = streams_get_flag(id, ROAR_FLAG_SYNC); |
---|
| 567 | |
---|
[1877] | 568 | while (buf != NULL) { |
---|
[4521] | 569 | if ( roar_buffer_get_data(buf, &bufdata) == -1 ) { |
---|
[1877] | 570 | return -1; |
---|
| 571 | } |
---|
| 572 | |
---|
[4521] | 573 | mes = bufdata; |
---|
| 574 | |
---|
[1877] | 575 | if (mes->type == MIDI_TYPE_CLOCK_TICK || mes->type == MIDI_TYPE_CLOCK_START || mes->type == MIDI_TYPE_CLOCK_STOP ) { |
---|
[1910] | 576 | if ( send_clock ) { |
---|
[1909] | 577 | if ( stream_vio_s_write(ss, &(mes->type), 1) != 1 ) { |
---|
| 578 | streams_delete(id); |
---|
| 579 | return -1; |
---|
| 580 | } |
---|
[1877] | 581 | } |
---|
[1896] | 582 | |
---|
| 583 | if ( mes->type == MIDI_TYPE_CLOCK_TICK ) { |
---|
| 584 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, 1); |
---|
| 585 | } |
---|
[1877] | 586 | } else { |
---|
| 587 | len = 0; |
---|
| 588 | d = data; |
---|
| 589 | |
---|
| 590 | _nb = (mes->type & 0xF0) | (mes->channel & 0x0F); |
---|
| 591 | |
---|
| 592 | switch (mes->type) { |
---|
[1898] | 593 | case MIDI_TYPE_CONTROLER: |
---|
| 594 | switch (mes->kk) { |
---|
| 595 | case MIDI_CCE_MAIN_VOL: |
---|
| 596 | if ( 516 * mes->vv > 65100 ) { // max volume |
---|
| 597 | ss->mixer.mixer[mes->channel] = 65535; |
---|
| 598 | } else { |
---|
| 599 | ss->mixer.mixer[mes->channel] = 516 * mes->vv; |
---|
| 600 | } |
---|
| 601 | break; |
---|
| 602 | } |
---|
[1877] | 603 | case MIDI_TYPE_NOTE_ON: |
---|
| 604 | case MIDI_TYPE_NOTE_OFF: |
---|
| 605 | case MIDI_TYPE_PA: |
---|
| 606 | _nb = mes->kk; |
---|
| 607 | _nb = mes->vv; |
---|
| 608 | break; |
---|
| 609 | case MIDI_TYPE_PROGRAM: |
---|
| 610 | case MIDI_TYPE_MA: |
---|
| 611 | _nb = mes->vv; |
---|
| 612 | break; |
---|
| 613 | case MIDI_TYPE_PB: |
---|
| 614 | case MIDI_TYPE_SYSEX: |
---|
| 615 | break; |
---|
| 616 | } |
---|
| 617 | |
---|
| 618 | if ( stream_vio_s_write(ss, data, len) != len ) { |
---|
| 619 | streams_delete(id); |
---|
| 620 | return -1; |
---|
| 621 | } |
---|
| 622 | } |
---|
| 623 | |
---|
| 624 | if ( roar_buffer_get_next(buf, &buf) == -1 ) |
---|
| 625 | buf = NULL; |
---|
| 626 | } |
---|
| 627 | |
---|
| 628 | return 0; |
---|
[1858] | 629 | } |
---|
[1877] | 630 | #undef _nb |
---|
[1858] | 631 | |
---|
[2489] | 632 | #ifndef ROAR_WITHOUT_DCOMP_SSYNTH |
---|
[2461] | 633 | int midi_conv_mes2ssynth(void) { |
---|
[2462] | 634 | struct roar_buffer * buf = g_midi_mess.buf; |
---|
| 635 | struct midi_message * mes = NULL; |
---|
[4521] | 636 | void * bufdata; |
---|
[2462] | 637 | |
---|
| 638 | while (buf != NULL) { |
---|
[4521] | 639 | if ( roar_buffer_get_data(buf, &bufdata) == -1 ) { |
---|
[2462] | 640 | return -1; |
---|
| 641 | } |
---|
| 642 | |
---|
[4521] | 643 | mes = bufdata; |
---|
| 644 | |
---|
[2462] | 645 | if ( ssynth_eval_message(mes) == -1 ) |
---|
| 646 | return -1; |
---|
| 647 | |
---|
| 648 | if ( roar_buffer_get_next(buf, &buf) == -1 ) |
---|
| 649 | buf = NULL; |
---|
| 650 | } |
---|
| 651 | |
---|
| 652 | return 0; |
---|
[2461] | 653 | } |
---|
[2489] | 654 | #endif |
---|
[2461] | 655 | |
---|
[1863] | 656 | int midi_new_bufmes (struct roar_buffer ** buf, struct midi_message ** mes) { |
---|
| 657 | if ( buf == NULL || mes == NULL ) |
---|
| 658 | return -1; |
---|
| 659 | |
---|
[1867] | 660 | *buf = (void*)(*mes = NULL); |
---|
[1863] | 661 | |
---|
[3764] | 662 | if ( roar_buffer_new_data(buf, sizeof(struct midi_message), (void**)mes) == -1 ) { |
---|
[1867] | 663 | *buf = (void*)(*mes = NULL); |
---|
[1863] | 664 | return -1; |
---|
| 665 | } |
---|
| 666 | |
---|
| 667 | memset((void*)*mes, 0, sizeof(struct midi_message)); |
---|
| 668 | |
---|
| 669 | (*mes)->type = MIDI_TYPE_NONE; |
---|
| 670 | |
---|
| 671 | return 0; |
---|
| 672 | } |
---|
| 673 | |
---|
[1866] | 674 | int midi_add_buf (int id, struct roar_buffer * buf) { |
---|
[1869] | 675 | struct midi_message * mes; |
---|
[4521] | 676 | void * bufdata; |
---|
[1869] | 677 | |
---|
[1866] | 678 | if ( id == -1 || buf == NULL ) |
---|
| 679 | return -1; |
---|
| 680 | |
---|
[4521] | 681 | if ( roar_buffer_get_data(buf, &bufdata) == -1 ) |
---|
[1869] | 682 | return -1; |
---|
| 683 | |
---|
[4521] | 684 | mes = bufdata; |
---|
| 685 | |
---|
[1878] | 686 | ROAR_DBG("midi_add_buf(id=%i, buf=%p) = ?", id, buf); |
---|
| 687 | ROAR_DBG("midi_add_buf(*): MIDI Message of Type 0x%.2X", mes->type); |
---|
| 688 | ROAR_DBG("midi_add_buf(*): Channel: %i", mes->channel); |
---|
| 689 | ROAR_DBG("midi_add_buf(*): flags=0x%.2X", mes->flags); |
---|
| 690 | ROAR_DBG("midi_add_buf(*): kk=0x%.2X, vv=0x%.2X", mes->kk, mes->vv); |
---|
[1869] | 691 | |
---|
[1866] | 692 | if ( g_midi_mess.buf == NULL ) { |
---|
| 693 | g_midi_mess.buf = buf; |
---|
| 694 | } else { |
---|
| 695 | roar_buffer_add(g_midi_mess.buf, buf); |
---|
| 696 | } |
---|
| 697 | |
---|
[5053] | 698 | ROAR_DBG("midi_add_buf(*) = 0"); |
---|
[1866] | 699 | return 0; |
---|
| 700 | } |
---|
| 701 | |
---|
[1848] | 702 | // bridges: |
---|
| 703 | int midi_check_bridge (int id) { |
---|
[1851] | 704 | |
---|
[1860] | 705 | ROAR_DBG("midi_check_bridge(id=%i) = ?", id); |
---|
[1851] | 706 | |
---|
| 707 | if ( id == g_midi_clock.stream ) { |
---|
| 708 | midi_clock_tick(); |
---|
| 709 | |
---|
| 710 | return 0; |
---|
| 711 | } |
---|
| 712 | |
---|
[1848] | 713 | return -1; |
---|
| 714 | } |
---|
| 715 | |
---|
| 716 | // clock: |
---|
| 717 | |
---|
| 718 | int midi_clock_init (void) { |
---|
| 719 | struct roar_stream * s; |
---|
| 720 | struct roar_stream_server * ss; |
---|
| 721 | |
---|
[1850] | 722 | if ( (g_midi_clock.stream = streams_new()) == -1 ) { |
---|
[1848] | 723 | ROAR_WARN("Error while initializing MIDI subsystem component clock"); |
---|
| 724 | return -1; |
---|
| 725 | } |
---|
| 726 | |
---|
[2915] | 727 | client_stream_add(g_self_client, g_midi_clock.stream); |
---|
| 728 | |
---|
[1850] | 729 | midi_vio_set_dummy(g_midi_clock.stream); |
---|
[1848] | 730 | |
---|
[1850] | 731 | streams_get(g_midi_clock.stream, &ss); |
---|
[1848] | 732 | s = ROAR_STREAM(ss); |
---|
| 733 | |
---|
| 734 | memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info)); |
---|
| 735 | |
---|
[1850] | 736 | s->pos_rel_id = g_midi_clock.stream; |
---|
[1848] | 737 | |
---|
| 738 | s->info.codec = ROAR_CODEC_MIDI; |
---|
| 739 | ss->codec_orgi = ROAR_CODEC_MIDI; |
---|
| 740 | |
---|
[2401] | 741 | s->info.channels = 1; // we have only one channel, ticking on channel 0 |
---|
[2400] | 742 | s->info.rate = ROAR_MIDI_TICKS_PER_BEAT; // one beat per sec |
---|
| 743 | s->info.bits = ROAR_MIDI_BITS; |
---|
[1848] | 744 | |
---|
[1850] | 745 | if ( streams_set_dir(g_midi_clock.stream, ROAR_DIR_BRIDGE, 1) == -1 ) { |
---|
[1848] | 746 | ROAR_WARN("Error while initializing MIDI subsystem component clock"); |
---|
| 747 | return -1; |
---|
| 748 | } |
---|
| 749 | |
---|
[1850] | 750 | streams_set_name(g_midi_clock.stream, "MIDI Clock"); |
---|
[1848] | 751 | |
---|
[1850] | 752 | streams_set_flag(g_midi_clock.stream, ROAR_FLAG_PRIMARY); |
---|
| 753 | streams_set_flag(g_midi_clock.stream, ROAR_FLAG_SYNC); |
---|
[1848] | 754 | |
---|
[2400] | 755 | midi_clock_set_bph(3600); // one beat per sec |
---|
[1851] | 756 | |
---|
[2943] | 757 | ss->state = ROAR_STREAMSTATE_NEW; |
---|
| 758 | |
---|
[1924] | 759 | midi_config.inited |= MIDI_INITED_CLOCK; |
---|
| 760 | |
---|
[1851] | 761 | return 0; |
---|
| 762 | } |
---|
| 763 | |
---|
| 764 | int midi_clock_set_bph (uint_least32_t bph) { |
---|
| 765 | uint_least32_t sph = g_sa->rate/2 * 75 * g_sa->channels; // samples per houre |
---|
| 766 | |
---|
| 767 | g_midi_clock.bph = bph; |
---|
| 768 | |
---|
| 769 | g_midi_clock.spt = sph/bph; |
---|
| 770 | |
---|
| 771 | g_midi_clock.nt = ROAR_MATH_OVERFLOW_ADD(g_pos, g_midi_clock.spt); |
---|
| 772 | |
---|
| 773 | return 0; |
---|
| 774 | } |
---|
| 775 | |
---|
| 776 | int midi_clock_tick (void) { |
---|
[1875] | 777 | struct roar_buffer * buf; |
---|
| 778 | struct midi_message * mes; |
---|
[1888] | 779 | struct roar_stream_server * ss; |
---|
[1851] | 780 | unsigned int diff; |
---|
| 781 | |
---|
[1888] | 782 | if ( streams_get(g_midi_clock.stream, &ss) == -1 ) { |
---|
| 783 | ROAR_ERR("midi_clock_tick(void): Something very BAD happend: can not get stream object of my own stream!"); |
---|
| 784 | g_midi_clock.stream = -1; |
---|
| 785 | ROAR_WARN("midi_clock_tick(void): Disabled MIDI Clock"); |
---|
| 786 | return -1; |
---|
| 787 | } |
---|
| 788 | |
---|
[1851] | 789 | while ( g_pos >= g_midi_clock.nt ) { |
---|
| 790 | diff = g_pos - g_midi_clock.nt; |
---|
[1911] | 791 | ROAR_DBG("midi_clock_tick(void): g_pos is %u samples (%5.2f%%) after of nt.", diff, (float)diff/g_midi_clock.spt); |
---|
[1851] | 792 | |
---|
| 793 | g_midi_clock.nt = ROAR_MATH_OVERFLOW_ADD(g_midi_clock.nt, g_midi_clock.spt); |
---|
| 794 | |
---|
| 795 | if ( streams_get_flag(g_midi_clock.stream, ROAR_FLAG_SYNC) ) { |
---|
[1860] | 796 | ROAR_DBG("midi_clock_tick(void): TICK! (nt=%lu)", g_midi_clock.nt); |
---|
[1875] | 797 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
---|
| 798 | ROAR_ERR("midi_clock_tick(void): Can not create Clock-Tick-Message"); |
---|
| 799 | } |
---|
| 800 | |
---|
| 801 | mes->type = MIDI_TYPE_CLOCK_TICK; |
---|
| 802 | |
---|
| 803 | if ( midi_add_buf(g_midi_clock.stream, buf) == -1 ) { |
---|
| 804 | ROAR_ERR("midi_clock_tick(void): Can not add Clock-Tick-Message"); |
---|
| 805 | roar_buffer_free(buf); |
---|
| 806 | return -1; |
---|
| 807 | } |
---|
[1888] | 808 | |
---|
| 809 | ROAR_STREAM(ss)->pos = ROAR_MATH_OVERFLOW_ADD(ROAR_STREAM(ss)->pos, 1); |
---|
[2943] | 810 | ss->state = ROAR_STREAMSTATE_OLD; |
---|
[1851] | 811 | } else { |
---|
[1860] | 812 | ROAR_DBG("midi_clock_tick(void): silent tick. (nt=%lu)", g_midi_clock.nt); |
---|
[1851] | 813 | } |
---|
| 814 | } |
---|
| 815 | |
---|
[1848] | 816 | return 0; |
---|
| 817 | } |
---|
| 818 | |
---|
[1845] | 819 | // CB: |
---|
[1843] | 820 | |
---|
[2487] | 821 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[1843] | 822 | int midi_cb_init (void) { |
---|
[1751] | 823 | #ifdef _HAVE_CONSOLE |
---|
[1843] | 824 | struct roar_stream * s; |
---|
| 825 | struct roar_stream_server * ss; |
---|
[185] | 826 | int i; |
---|
| 827 | char * files[] = { |
---|
[1924] | 828 | "/NX", |
---|
| 829 | "/dev/roarconsole", |
---|
[185] | 830 | "/dev/console", |
---|
| 831 | #ifdef __linux__ |
---|
| 832 | "/dev/tty0", |
---|
| 833 | "/dev/vc/0", |
---|
| 834 | #endif |
---|
| 835 | NULL |
---|
| 836 | }; |
---|
| 837 | |
---|
[1853] | 838 | g_midi_cb.console = -1; |
---|
| 839 | g_midi_cb.stream = -1; |
---|
| 840 | g_midi_cb.stoptime = 0; |
---|
| 841 | g_midi_cb.playing = 0; |
---|
[185] | 842 | |
---|
[1924] | 843 | if ( midi_config.console_dev != NULL ) { |
---|
| 844 | files[0] = midi_config.console_dev; |
---|
| 845 | } |
---|
| 846 | |
---|
[185] | 847 | for (i = 0; files[i] != NULL; i++) { |
---|
[1853] | 848 | if ( (g_midi_cb.console = open(files[i], O_WRONLY|O_NOCTTY, 0)) != -1 ) |
---|
[185] | 849 | break; |
---|
| 850 | } |
---|
| 851 | |
---|
[1853] | 852 | if ( g_midi_cb.console == -1 ) |
---|
[1843] | 853 | return -1; |
---|
| 854 | |
---|
[1853] | 855 | if ( (g_midi_cb.stream = streams_new()) == -1 ) { |
---|
[1843] | 856 | ROAR_WARN("Error while initializing MIDI subsystem component CB"); |
---|
| 857 | midi_cb_free(); |
---|
[187] | 858 | return -1; |
---|
| 859 | } |
---|
[1843] | 860 | |
---|
[2915] | 861 | client_stream_add(g_self_client, g_midi_clock.stream); |
---|
| 862 | |
---|
[1853] | 863 | midi_vio_set_dummy(g_midi_cb.stream); |
---|
[1848] | 864 | |
---|
[1853] | 865 | streams_get(g_midi_cb.stream, &ss); |
---|
[1843] | 866 | s = ROAR_STREAM(ss); |
---|
| 867 | |
---|
| 868 | memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info)); |
---|
| 869 | |
---|
| 870 | s->pos_rel_id = -1; |
---|
| 871 | |
---|
| 872 | s->info.codec = 0; |
---|
| 873 | ss->codec_orgi = 0; |
---|
| 874 | |
---|
| 875 | s->info.channels = 1; |
---|
| 876 | s->info.rate = 1193180; |
---|
| 877 | s->info.bits = 8; |
---|
| 878 | |
---|
[1853] | 879 | if ( streams_set_dir(g_midi_cb.stream, ROAR_DIR_BRIDGE, 1) == -1 ) { |
---|
[1843] | 880 | ROAR_WARN("Error while initializing MIDI subsystem component CB"); |
---|
| 881 | midi_cb_free(); |
---|
| 882 | return -1; |
---|
| 883 | } |
---|
| 884 | |
---|
[1853] | 885 | streams_set_name(g_midi_cb.stream, "Console speaker bridge"); |
---|
[1843] | 886 | |
---|
[1853] | 887 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_OUTPUT); |
---|
| 888 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_PRIMARY); |
---|
| 889 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_HWMIXER); |
---|
[1885] | 890 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_MUTE); |
---|
[1843] | 891 | |
---|
[1924] | 892 | midi_config.inited |= MIDI_INITED_CB; |
---|
| 893 | |
---|
[1843] | 894 | return 0; |
---|
[1485] | 895 | #else |
---|
[1853] | 896 | g_midi_cb.console = -1; |
---|
| 897 | g_midi_cb.stream = -1; |
---|
[1843] | 898 | |
---|
[1485] | 899 | return -1; |
---|
| 900 | #endif |
---|
[185] | 901 | } |
---|
| 902 | |
---|
[1843] | 903 | int midi_cb_free (void) { |
---|
[1751] | 904 | #ifdef _HAVE_CONSOLE |
---|
[1843] | 905 | |
---|
| 906 | midi_cb_stop(); |
---|
| 907 | |
---|
[1853] | 908 | if ( g_midi_cb.stream != -1 ) |
---|
| 909 | streams_delete(g_midi_cb.stream); |
---|
[1843] | 910 | |
---|
[1853] | 911 | if ( g_midi_cb.console != -1 ) |
---|
| 912 | close(g_midi_cb.console); |
---|
[1843] | 913 | |
---|
[185] | 914 | return 0; |
---|
[1485] | 915 | #else |
---|
| 916 | return -1; |
---|
| 917 | #endif |
---|
[185] | 918 | } |
---|
| 919 | |
---|
| 920 | int midi_cb_play(float t, float freq, int override) { |
---|
[191] | 921 | float samples_per_sec /* S/s */ = g_sa->rate * g_sa->channels; |
---|
| 922 | |
---|
[189] | 923 | /* |
---|
| 924 | #define MIDI_CB_NOOVERRIDE 0 |
---|
| 925 | #define MIDI_CB_OVERRIDE 1 |
---|
| 926 | */ |
---|
[1853] | 927 | if ( g_midi_cb.playing && override != MIDI_CB_OVERRIDE ) |
---|
[191] | 928 | return -1; |
---|
| 929 | |
---|
[1853] | 930 | g_midi_cb.stoptime = ROAR_MATH_OVERFLOW_ADD(g_pos, samples_per_sec*t); |
---|
[191] | 931 | midi_cb_start(freq); |
---|
| 932 | |
---|
| 933 | return 0; |
---|
[185] | 934 | } |
---|
| 935 | |
---|
[190] | 936 | int midi_cb_update (void) { |
---|
[1884] | 937 | |
---|
| 938 | if ( !streams_get_flag(g_midi_cb.stream, ROAR_FLAG_MUTE) ) { |
---|
| 939 | if ( midi_cb_readbuf() == -1 ) |
---|
| 940 | return -1; |
---|
| 941 | } else if ( g_midi_cb.playing ) { |
---|
| 942 | midi_cb_stop(); |
---|
| 943 | } |
---|
[1882] | 944 | |
---|
[1853] | 945 | if ( !g_midi_cb.playing ) |
---|
[192] | 946 | return 0; |
---|
| 947 | |
---|
[1884] | 948 | /* |
---|
[1853] | 949 | if ( g_midi_cb.stoptime <= g_pos ) |
---|
[189] | 950 | midi_cb_stop(); |
---|
[1884] | 951 | */ |
---|
[189] | 952 | |
---|
[1882] | 953 | ROAR_DBG("midi_cb_update(void) = ?"); |
---|
| 954 | |
---|
[189] | 955 | return 0; |
---|
| 956 | } |
---|
| 957 | |
---|
[185] | 958 | int midi_cb_start(float freq) { |
---|
| 959 | // On linux this uses ioctl KIOCSOUND |
---|
[188] | 960 | #ifdef __linux__ |
---|
[1853] | 961 | if ( g_midi_cb.console == -1 ) |
---|
[188] | 962 | return -1; |
---|
| 963 | |
---|
[1853] | 964 | if ( ioctl(g_midi_cb.console, KIOCSOUND, freq == 0 ? 0 : (int)(1193180.0/freq)) == -1 ) |
---|
[188] | 965 | return -1; |
---|
| 966 | |
---|
[1884] | 967 | g_midi_cb.playing = 1; |
---|
| 968 | |
---|
[188] | 969 | return 0; |
---|
| 970 | #else |
---|
[185] | 971 | return -1; |
---|
[188] | 972 | #endif |
---|
[185] | 973 | } |
---|
| 974 | |
---|
| 975 | int midi_cb_stop (void) { |
---|
| 976 | #ifdef __linux__ |
---|
[1884] | 977 | int ret; |
---|
| 978 | |
---|
| 979 | ret = midi_cb_start(0); |
---|
[1853] | 980 | g_midi_cb.playing = 0; |
---|
[1884] | 981 | |
---|
| 982 | return ret; |
---|
[185] | 983 | #else |
---|
| 984 | return -1; |
---|
| 985 | #endif |
---|
| 986 | } |
---|
| 987 | |
---|
[1882] | 988 | int midi_cb_readbuf(void) { |
---|
| 989 | struct roar_buffer * buf = g_midi_mess.buf; |
---|
| 990 | struct midi_message * mes = NULL; |
---|
[4521] | 991 | void * bufdata; |
---|
[1882] | 992 | |
---|
| 993 | ROAR_DBG("midi_cb_readbuf(void) = ?"); |
---|
| 994 | |
---|
| 995 | while (buf != NULL) { |
---|
| 996 | ROAR_DBG("midi_cb_readbuf(void): buf=%p", buf); |
---|
| 997 | |
---|
[4521] | 998 | if ( roar_buffer_get_data(buf, &bufdata) == -1 ) { |
---|
[1882] | 999 | return -1; |
---|
| 1000 | } |
---|
| 1001 | |
---|
[4521] | 1002 | mes = bufdata; |
---|
| 1003 | |
---|
[1882] | 1004 | switch (mes->type) { |
---|
| 1005 | case MIDI_TYPE_NOTE_ON: |
---|
| 1006 | midi_cb_start(mes->d.note.freq); |
---|
| 1007 | break; |
---|
| 1008 | case MIDI_TYPE_NOTE_OFF: |
---|
| 1009 | midi_cb_stop(); |
---|
| 1010 | break; |
---|
[1890] | 1011 | case MIDI_TYPE_CONTROLER: |
---|
[1894] | 1012 | if ( mes->kk == MIDI_CCE_ALL_NOTE_OFF ) /* all note off */ |
---|
[1890] | 1013 | midi_cb_stop(); |
---|
| 1014 | break; |
---|
[1882] | 1015 | } |
---|
| 1016 | |
---|
| 1017 | if ( roar_buffer_get_next(buf, &buf) == -1 ) |
---|
| 1018 | buf = NULL; |
---|
| 1019 | } |
---|
| 1020 | |
---|
| 1021 | return 0; |
---|
| 1022 | } |
---|
[2487] | 1023 | #endif |
---|
[1882] | 1024 | |
---|
[1848] | 1025 | // VIO: |
---|
| 1026 | |
---|
| 1027 | int midi_vio_set_dummy(int stream) { |
---|
| 1028 | struct roar_stream_server * ss; |
---|
| 1029 | |
---|
| 1030 | if ( streams_get(stream, &ss) == -1 ) |
---|
| 1031 | return -1; |
---|
| 1032 | |
---|
| 1033 | ss->vio.read = NULL; |
---|
| 1034 | ss->vio.write = NULL; |
---|
| 1035 | ss->vio.lseek = NULL; |
---|
[1849] | 1036 | ss->vio.nonblock = (int (*)(struct roar_vio_calls * vio, int state))midi_vio_ok; |
---|
| 1037 | ss->vio.sync = (int (*)(struct roar_vio_calls * vio))midi_vio_ok; |
---|
[1848] | 1038 | ss->vio.ctl = NULL; |
---|
[1849] | 1039 | ss->vio.close = (int (*)(struct roar_vio_calls * vio))midi_vio_ok; |
---|
| 1040 | |
---|
| 1041 | return 0; |
---|
[1848] | 1042 | } |
---|
| 1043 | |
---|
| 1044 | int midi_vio_ok(struct roar_vio_calls * vio, ...) { |
---|
| 1045 | return 0; |
---|
| 1046 | } |
---|
| 1047 | |
---|
[2500] | 1048 | #endif |
---|
| 1049 | |
---|
[169] | 1050 | //ll |
---|