[169] | 1 | //midi.c: |
---|
| 2 | |
---|
[668] | 3 | /* |
---|
| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008 |
---|
| 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 |
---|
| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
---|
| 22 | * |
---|
| 23 | */ |
---|
| 24 | |
---|
[169] | 25 | #include "roard.h" |
---|
| 26 | |
---|
[1751] | 27 | #if defined(ROAR_HAVE_IO_POSIX) && !defined(ROAR_TARGET_WIN32) |
---|
| 28 | #define _HAVE_CONSOLE |
---|
| 29 | #endif |
---|
| 30 | |
---|
[1924] | 31 | int midi_init_config(void) { |
---|
| 32 | midi_config.init = 1; |
---|
| 33 | midi_config.inited = 0; |
---|
[2487] | 34 | |
---|
| 35 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[2445] | 36 | midi_config.init_cb = 0; |
---|
[1924] | 37 | midi_config.console_dev = NULL; |
---|
[2487] | 38 | #endif |
---|
[1924] | 39 | |
---|
| 40 | return 0; |
---|
| 41 | } |
---|
| 42 | |
---|
[185] | 43 | int midi_init (void) { |
---|
[1843] | 44 | |
---|
[1924] | 45 | midi_config.inited = 0; |
---|
[1843] | 46 | |
---|
[1924] | 47 | if ( midi_config.init ) { |
---|
[2487] | 48 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[1924] | 49 | if ( midi_config.init_cb ) { |
---|
| 50 | if ( midi_cb_init() == -1 ) { |
---|
| 51 | ROAR_WARN("Can not initialize MIDI subsystem component CB"); |
---|
| 52 | } |
---|
| 53 | } |
---|
[2487] | 54 | #endif |
---|
[1924] | 55 | |
---|
| 56 | if ( midi_clock_init() == -1 ) { |
---|
| 57 | ROAR_WARN("Can not initialize MIDI subsystem component clock"); |
---|
| 58 | } |
---|
| 59 | |
---|
[1848] | 60 | } |
---|
| 61 | |
---|
[1863] | 62 | g_midi_mess.buf = NULL; |
---|
| 63 | |
---|
[1924] | 64 | midi_config.inited |= MIDI_INITED_MAIN; |
---|
| 65 | |
---|
[1843] | 66 | return 0; |
---|
| 67 | } |
---|
[1848] | 68 | |
---|
[1843] | 69 | int midi_free (void) { |
---|
[1924] | 70 | if ( midi_reinit() == -1 ) |
---|
| 71 | return -1; |
---|
| 72 | |
---|
[2487] | 73 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[1924] | 74 | if ( midi_cb_free() == -1 ) |
---|
| 75 | return -1; |
---|
[2487] | 76 | #endif |
---|
[1924] | 77 | |
---|
| 78 | return 0; |
---|
[1843] | 79 | } |
---|
| 80 | |
---|
| 81 | int midi_update(void) { |
---|
[1848] | 82 | |
---|
[1850] | 83 | if ( g_midi_clock.stream != -1 ) |
---|
| 84 | midi_check_bridge(g_midi_clock.stream); |
---|
[1848] | 85 | |
---|
[2489] | 86 | #ifndef ROAR_WITHOUT_DCOMP_SSYNTH |
---|
[2461] | 87 | midi_conv_mes2ssynth(); |
---|
[2489] | 88 | #endif |
---|
[2461] | 89 | |
---|
[2487] | 90 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[1843] | 91 | return midi_cb_update(); |
---|
[2487] | 92 | #else |
---|
| 93 | return 0; |
---|
| 94 | #endif |
---|
[1843] | 95 | } |
---|
| 96 | |
---|
[1855] | 97 | int midi_reinit(void) { |
---|
[1868] | 98 | |
---|
| 99 | if ( g_midi_mess.buf != NULL ) |
---|
| 100 | roar_buffer_free(g_midi_mess.buf); |
---|
| 101 | |
---|
| 102 | g_midi_mess.buf = NULL; |
---|
| 103 | |
---|
[1855] | 104 | return 0; |
---|
| 105 | } |
---|
| 106 | |
---|
[1845] | 107 | // STREAMS: |
---|
| 108 | |
---|
| 109 | int midi_check_stream (int id) { |
---|
[1846] | 110 | struct roar_stream * s; |
---|
| 111 | struct roar_stream_server * ss; |
---|
[1858] | 112 | struct roar_buffer * b; |
---|
| 113 | char * buf; |
---|
| 114 | ssize_t len; |
---|
[1846] | 115 | |
---|
| 116 | if ( g_streams[id] == NULL ) |
---|
| 117 | return -1; |
---|
| 118 | |
---|
| 119 | ROAR_DBG("midi_check_stream(id=%i) = ?", id); |
---|
| 120 | |
---|
| 121 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 122 | |
---|
[1848] | 123 | if ( s->dir == ROAR_DIR_BRIDGE ) |
---|
| 124 | return midi_check_bridge(id); |
---|
| 125 | |
---|
[1846] | 126 | switch (s->info.codec) { |
---|
[1858] | 127 | case ROAR_CODEC_MIDI: |
---|
| 128 | break; |
---|
| 129 | default: |
---|
| 130 | streams_delete(id); |
---|
| 131 | return -1; |
---|
| 132 | } |
---|
| 133 | |
---|
| 134 | if ( roar_buffer_new(&b, MIDI_READ_SIZE) == -1 ) { |
---|
| 135 | ROAR_ERR("midi_check_stream(*): Can not alloc buffer space!"); |
---|
| 136 | ROAR_DBG("midi_check_stream(*) = -1"); |
---|
| 137 | return -1; |
---|
| 138 | } |
---|
| 139 | |
---|
| 140 | roar_buffer_get_data(b, (void **)&buf); |
---|
| 141 | |
---|
| 142 | if ( (len = stream_vio_s_read(ss, buf, MIDI_READ_SIZE)) < 1 ) { |
---|
| 143 | streams_delete(id); |
---|
[1862] | 144 | roar_buffer_free(b); |
---|
[1858] | 145 | return -1; |
---|
| 146 | } |
---|
| 147 | |
---|
| 148 | roar_buffer_set_len(b, len); |
---|
| 149 | |
---|
[1859] | 150 | if ( stream_add_buffer(id, b) == -1 ) { |
---|
| 151 | roar_buffer_free(b); |
---|
| 152 | streams_delete(id); |
---|
| 153 | return -1; |
---|
| 154 | } |
---|
| 155 | |
---|
[1858] | 156 | switch (s->info.codec) { |
---|
| 157 | case ROAR_CODEC_MIDI: |
---|
| 158 | return midi_conv_midi2mes(id); |
---|
| 159 | break; |
---|
[1846] | 160 | default: |
---|
| 161 | streams_delete(id); |
---|
| 162 | return -1; |
---|
| 163 | } |
---|
| 164 | |
---|
| 165 | return 0; |
---|
[1845] | 166 | } |
---|
[1846] | 167 | |
---|
[1845] | 168 | int midi_send_stream (int id) { |
---|
[1846] | 169 | struct roar_stream * s; |
---|
| 170 | struct roar_stream_server * ss; |
---|
| 171 | |
---|
| 172 | if ( g_streams[id] == NULL ) |
---|
| 173 | return -1; |
---|
| 174 | |
---|
| 175 | ROAR_DBG("midi_send_stream(id=%i) = ?", id); |
---|
| 176 | |
---|
| 177 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 178 | |
---|
| 179 | switch (s->info.codec) { |
---|
[1877] | 180 | case ROAR_CODEC_MIDI: |
---|
| 181 | return midi_conv_mes2midi(id); |
---|
| 182 | break; |
---|
[1846] | 183 | default: |
---|
| 184 | streams_delete(id); |
---|
| 185 | return -1; |
---|
| 186 | } |
---|
| 187 | |
---|
| 188 | return 0; |
---|
[1845] | 189 | } |
---|
| 190 | |
---|
[1858] | 191 | int midi_conv_midi2mes (int id) { |
---|
[1863] | 192 | unsigned char * data; |
---|
| 193 | struct roar_stream * s; |
---|
| 194 | struct roar_stream_server * ss; |
---|
| 195 | struct roar_buffer * buf = NULL; |
---|
| 196 | struct midi_message * mes = NULL; |
---|
[1879] | 197 | size_t need = 0, have = 0, last_have = 0, old_have = 0; |
---|
[1863] | 198 | int alive = 1; |
---|
| 199 | |
---|
| 200 | if ( g_streams[id] == NULL ) |
---|
| 201 | return -1; |
---|
| 202 | |
---|
| 203 | ROAR_DBG("midi_conv_midi2mes(id=%i) = ?", id); |
---|
| 204 | |
---|
| 205 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 206 | |
---|
| 207 | while (ss->buffer != NULL && alive) { |
---|
| 208 | if ( roar_buffer_get_data(ss->buffer, (void**)&data) == -1 ) { |
---|
| 209 | alive = 0; |
---|
| 210 | continue; |
---|
| 211 | } |
---|
| 212 | |
---|
| 213 | if ( roar_buffer_get_len(ss->buffer, &have) == -1 ) { |
---|
| 214 | alive = 0; |
---|
| 215 | continue; |
---|
| 216 | } |
---|
[1879] | 217 | old_have = have; |
---|
[1863] | 218 | |
---|
| 219 | while (have && alive) { |
---|
| 220 | if ( *data & 0x80 ) { |
---|
[1865] | 221 | if ( buf != NULL ) { |
---|
[1866] | 222 | midi_add_buf(id, buf); |
---|
[1865] | 223 | buf = NULL; |
---|
| 224 | } |
---|
| 225 | |
---|
[1879] | 226 | last_have = have; |
---|
| 227 | |
---|
[1863] | 228 | need = 0; |
---|
| 229 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
---|
| 230 | alive = 0; |
---|
| 231 | continue; |
---|
| 232 | } |
---|
[1865] | 233 | |
---|
| 234 | if (*data == MIDI_TYPE_CLOCK_TICK || *data == MIDI_TYPE_CLOCK_START || *data == MIDI_TYPE_CLOCK_STOP ) { |
---|
| 235 | mes->type = *data; |
---|
[1891] | 236 | |
---|
| 237 | if ( *data == MIDI_TYPE_CLOCK_TICK ) { |
---|
| 238 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, 1); |
---|
| 239 | } |
---|
[1865] | 240 | } else { |
---|
| 241 | mes->type = *data & 0xF0; |
---|
| 242 | mes->channel = *data & 0x0F; |
---|
| 243 | switch (*data & 0xF0) { |
---|
| 244 | case MIDI_TYPE_NOTE_ON: |
---|
| 245 | case MIDI_TYPE_NOTE_OFF: |
---|
| 246 | need = 2; |
---|
| 247 | break; |
---|
| 248 | case MIDI_TYPE_PA: |
---|
| 249 | need = 2; |
---|
| 250 | break; |
---|
| 251 | case MIDI_TYPE_CONTROLER: |
---|
| 252 | need = 2; |
---|
| 253 | break; |
---|
| 254 | case MIDI_TYPE_PROGRAM: |
---|
| 255 | need = 1; |
---|
| 256 | break; |
---|
| 257 | case MIDI_TYPE_MA: |
---|
| 258 | need = 1; |
---|
| 259 | break; |
---|
| 260 | case MIDI_TYPE_PB: |
---|
| 261 | case MIDI_TYPE_SYSEX: |
---|
| 262 | need = 1; |
---|
| 263 | break; |
---|
| 264 | } |
---|
| 265 | } |
---|
| 266 | |
---|
[1863] | 267 | } else { |
---|
[1871] | 268 | |
---|
| 269 | if ( mes == NULL ) { |
---|
| 270 | ROAR_WARN("midi_conv_midi2mes(id=%i): Lost sync.", id); |
---|
| 271 | data++; |
---|
| 272 | have--; |
---|
| 273 | continue; |
---|
| 274 | } |
---|
| 275 | |
---|
| 276 | switch (mes->type) { |
---|
[1873] | 277 | case MIDI_TYPE_NOTE_ON: |
---|
| 278 | case MIDI_TYPE_NOTE_OFF: |
---|
[1881] | 279 | if ( need == 2 ) { |
---|
| 280 | roar_midi_note_from_midiid(&(mes->d.note), *data); |
---|
[2409] | 281 | |
---|
| 282 | // if velocity is zero we have a NOTE OFF event |
---|
| 283 | if ( data[1] == 0 ) |
---|
| 284 | mes->type = MIDI_TYPE_NOTE_OFF; |
---|
[1881] | 285 | } |
---|
[1874] | 286 | case MIDI_TYPE_PA: |
---|
| 287 | case MIDI_TYPE_CONTROLER: |
---|
[1873] | 288 | if ( need == 2 ) { |
---|
| 289 | mes->kk = *data; |
---|
| 290 | } else { |
---|
| 291 | mes->vv = *data; |
---|
| 292 | } |
---|
| 293 | break; |
---|
| 294 | case MIDI_TYPE_PROGRAM: |
---|
| 295 | case MIDI_TYPE_MA: |
---|
[1874] | 296 | mes->vv = *data; |
---|
| 297 | break; |
---|
[1873] | 298 | case MIDI_TYPE_PB: |
---|
| 299 | case MIDI_TYPE_SYSEX: |
---|
[1874] | 300 | ROAR_WARN("midi_conv_midi2mes(id=%i): Message of Type 0x%.2X (PB or SysEx) not yet supported", id, mes->type); |
---|
[1873] | 301 | break; |
---|
[1871] | 302 | } |
---|
| 303 | |
---|
[1863] | 304 | if ( need ) |
---|
| 305 | need--; |
---|
[1893] | 306 | |
---|
| 307 | if ( !need ) { |
---|
| 308 | switch (mes->type) { |
---|
| 309 | case MIDI_TYPE_CONTROLER: |
---|
| 310 | switch (mes->kk) { |
---|
| 311 | case MIDI_CCE_MAIN_VOL: |
---|
| 312 | if ( 516 * mes->vv > 65100 ) { // max volume |
---|
| 313 | ss->mixer.mixer[mes->channel] = 65535; |
---|
| 314 | } else { |
---|
| 315 | ss->mixer.mixer[mes->channel] = 516 * mes->vv; |
---|
| 316 | } |
---|
| 317 | break; |
---|
| 318 | } |
---|
| 319 | break; |
---|
| 320 | } |
---|
| 321 | } |
---|
| 322 | |
---|
[1863] | 323 | } |
---|
| 324 | data++; |
---|
| 325 | have--; |
---|
| 326 | } |
---|
| 327 | |
---|
[1865] | 328 | if ( need ) { |
---|
[1879] | 329 | if ( roar_buffer_set_offset(ss->buffer, old_have - last_have) == -1 ) { |
---|
| 330 | ROAR_ERR("midi_conv_midi2mes(*): FIXME: BUG!!! Need to restore buffer here with corrected length"); |
---|
| 331 | } |
---|
[1865] | 332 | } else if ( !have ) { |
---|
[1863] | 333 | roar_buffer_next(&(ss->buffer)); |
---|
| 334 | } |
---|
| 335 | |
---|
| 336 | if ( need && buf != NULL ) { |
---|
| 337 | roar_buffer_free(buf); |
---|
| 338 | buf = NULL; |
---|
| 339 | } else if ( buf != NULL ) { |
---|
[1866] | 340 | midi_add_buf(id, buf); |
---|
[1863] | 341 | buf = NULL; |
---|
| 342 | } |
---|
| 343 | } |
---|
| 344 | |
---|
| 345 | return 0; |
---|
[1858] | 346 | } |
---|
| 347 | |
---|
[1877] | 348 | #define _nb len++; *(d++) |
---|
[1858] | 349 | int midi_conv_mes2midi (int id) { |
---|
[1877] | 350 | struct roar_stream * s; |
---|
| 351 | struct roar_stream_server * ss; |
---|
| 352 | struct roar_buffer * buf = g_midi_mess.buf; |
---|
| 353 | struct midi_message * mes = NULL; |
---|
| 354 | unsigned char data[3]; |
---|
| 355 | unsigned char * d; |
---|
| 356 | int len; |
---|
[1909] | 357 | int send_clock; |
---|
[1877] | 358 | |
---|
| 359 | if ( g_streams[id] == NULL ) |
---|
| 360 | return -1; |
---|
| 361 | |
---|
| 362 | ROAR_DBG("midi_conv_mes2midi(id=%i) = ?", id); |
---|
| 363 | |
---|
| 364 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 365 | |
---|
[1909] | 366 | send_clock = streams_get_flag(id, ROAR_FLAG_SYNC); |
---|
| 367 | |
---|
[1877] | 368 | while (buf != NULL) { |
---|
| 369 | if ( roar_buffer_get_data(buf, (void**)&mes) == -1 ) { |
---|
| 370 | return -1; |
---|
| 371 | } |
---|
| 372 | |
---|
| 373 | if (mes->type == MIDI_TYPE_CLOCK_TICK || mes->type == MIDI_TYPE_CLOCK_START || mes->type == MIDI_TYPE_CLOCK_STOP ) { |
---|
[1910] | 374 | if ( send_clock ) { |
---|
[1909] | 375 | if ( stream_vio_s_write(ss, &(mes->type), 1) != 1 ) { |
---|
| 376 | streams_delete(id); |
---|
| 377 | return -1; |
---|
| 378 | } |
---|
[1877] | 379 | } |
---|
[1896] | 380 | |
---|
| 381 | if ( mes->type == MIDI_TYPE_CLOCK_TICK ) { |
---|
| 382 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, 1); |
---|
| 383 | } |
---|
[1877] | 384 | } else { |
---|
| 385 | len = 0; |
---|
| 386 | d = data; |
---|
| 387 | |
---|
| 388 | _nb = (mes->type & 0xF0) | (mes->channel & 0x0F); |
---|
| 389 | |
---|
| 390 | switch (mes->type) { |
---|
[1898] | 391 | case MIDI_TYPE_CONTROLER: |
---|
| 392 | switch (mes->kk) { |
---|
| 393 | case MIDI_CCE_MAIN_VOL: |
---|
| 394 | if ( 516 * mes->vv > 65100 ) { // max volume |
---|
| 395 | ss->mixer.mixer[mes->channel] = 65535; |
---|
| 396 | } else { |
---|
| 397 | ss->mixer.mixer[mes->channel] = 516 * mes->vv; |
---|
| 398 | } |
---|
| 399 | break; |
---|
| 400 | } |
---|
[1877] | 401 | case MIDI_TYPE_NOTE_ON: |
---|
| 402 | case MIDI_TYPE_NOTE_OFF: |
---|
| 403 | case MIDI_TYPE_PA: |
---|
| 404 | _nb = mes->kk; |
---|
| 405 | _nb = mes->vv; |
---|
| 406 | break; |
---|
| 407 | case MIDI_TYPE_PROGRAM: |
---|
| 408 | case MIDI_TYPE_MA: |
---|
| 409 | _nb = mes->vv; |
---|
| 410 | break; |
---|
| 411 | case MIDI_TYPE_PB: |
---|
| 412 | case MIDI_TYPE_SYSEX: |
---|
| 413 | break; |
---|
| 414 | } |
---|
| 415 | |
---|
| 416 | if ( stream_vio_s_write(ss, data, len) != len ) { |
---|
| 417 | streams_delete(id); |
---|
| 418 | return -1; |
---|
| 419 | } |
---|
| 420 | } |
---|
| 421 | |
---|
| 422 | if ( roar_buffer_get_next(buf, &buf) == -1 ) |
---|
| 423 | buf = NULL; |
---|
| 424 | } |
---|
| 425 | |
---|
| 426 | return 0; |
---|
[1858] | 427 | } |
---|
[1877] | 428 | #undef _nb |
---|
[1858] | 429 | |
---|
[2489] | 430 | #ifndef ROAR_WITHOUT_DCOMP_SSYNTH |
---|
[2461] | 431 | int midi_conv_mes2ssynth(void) { |
---|
[2462] | 432 | struct roar_buffer * buf = g_midi_mess.buf; |
---|
| 433 | struct midi_message * mes = NULL; |
---|
| 434 | |
---|
| 435 | while (buf != NULL) { |
---|
| 436 | if ( roar_buffer_get_data(buf, (void**)&mes) == -1 ) { |
---|
| 437 | return -1; |
---|
| 438 | } |
---|
| 439 | |
---|
| 440 | if ( ssynth_eval_message(mes) == -1 ) |
---|
| 441 | return -1; |
---|
| 442 | |
---|
| 443 | if ( roar_buffer_get_next(buf, &buf) == -1 ) |
---|
| 444 | buf = NULL; |
---|
| 445 | } |
---|
| 446 | |
---|
| 447 | return 0; |
---|
[2461] | 448 | } |
---|
[2489] | 449 | #endif |
---|
[2461] | 450 | |
---|
[1863] | 451 | int midi_new_bufmes (struct roar_buffer ** buf, struct midi_message ** mes) { |
---|
| 452 | if ( buf == NULL || mes == NULL ) |
---|
| 453 | return -1; |
---|
| 454 | |
---|
[1867] | 455 | *buf = (void*)(*mes = NULL); |
---|
[1863] | 456 | |
---|
| 457 | if ( roar_buffer_new(buf, sizeof(struct midi_message)) == -1 ) |
---|
| 458 | return -1; |
---|
| 459 | |
---|
| 460 | if ( roar_buffer_get_data(*buf, (void**)mes) == -1 ) { |
---|
| 461 | roar_buffer_free(*buf); |
---|
[1867] | 462 | *buf = (void*)(*mes = NULL); |
---|
[1863] | 463 | return -1; |
---|
| 464 | } |
---|
| 465 | |
---|
| 466 | memset((void*)*mes, 0, sizeof(struct midi_message)); |
---|
| 467 | |
---|
| 468 | (*mes)->type = MIDI_TYPE_NONE; |
---|
| 469 | |
---|
| 470 | return 0; |
---|
| 471 | } |
---|
| 472 | |
---|
[1866] | 473 | int midi_add_buf (int id, struct roar_buffer * buf) { |
---|
[1869] | 474 | struct midi_message * mes; |
---|
| 475 | |
---|
[1866] | 476 | if ( id == -1 || buf == NULL ) |
---|
| 477 | return -1; |
---|
| 478 | |
---|
[1872] | 479 | if ( roar_buffer_get_data(buf, (void**)&mes) == -1 ) |
---|
[1869] | 480 | return -1; |
---|
| 481 | |
---|
[1878] | 482 | ROAR_DBG("midi_add_buf(id=%i, buf=%p) = ?", id, buf); |
---|
| 483 | ROAR_DBG("midi_add_buf(*): MIDI Message of Type 0x%.2X", mes->type); |
---|
| 484 | ROAR_DBG("midi_add_buf(*): Channel: %i", mes->channel); |
---|
| 485 | ROAR_DBG("midi_add_buf(*): flags=0x%.2X", mes->flags); |
---|
| 486 | ROAR_DBG("midi_add_buf(*): kk=0x%.2X, vv=0x%.2X", mes->kk, mes->vv); |
---|
[1869] | 487 | |
---|
[1866] | 488 | if ( g_midi_mess.buf == NULL ) { |
---|
| 489 | g_midi_mess.buf = buf; |
---|
| 490 | } else { |
---|
| 491 | roar_buffer_add(g_midi_mess.buf, buf); |
---|
| 492 | } |
---|
| 493 | |
---|
| 494 | return 0; |
---|
| 495 | } |
---|
| 496 | |
---|
[1848] | 497 | // bridges: |
---|
| 498 | int midi_check_bridge (int id) { |
---|
[1851] | 499 | |
---|
[1860] | 500 | ROAR_DBG("midi_check_bridge(id=%i) = ?", id); |
---|
[1851] | 501 | |
---|
| 502 | if ( id == g_midi_clock.stream ) { |
---|
| 503 | midi_clock_tick(); |
---|
| 504 | |
---|
| 505 | return 0; |
---|
| 506 | } |
---|
| 507 | |
---|
[1848] | 508 | return -1; |
---|
| 509 | } |
---|
| 510 | |
---|
| 511 | // clock: |
---|
| 512 | |
---|
| 513 | int midi_clock_init (void) { |
---|
| 514 | struct roar_stream * s; |
---|
| 515 | struct roar_stream_server * ss; |
---|
| 516 | |
---|
[1850] | 517 | if ( (g_midi_clock.stream = streams_new()) == -1 ) { |
---|
[1848] | 518 | ROAR_WARN("Error while initializing MIDI subsystem component clock"); |
---|
| 519 | return -1; |
---|
| 520 | } |
---|
| 521 | |
---|
[1850] | 522 | midi_vio_set_dummy(g_midi_clock.stream); |
---|
[1848] | 523 | |
---|
[1850] | 524 | streams_get(g_midi_clock.stream, &ss); |
---|
[1848] | 525 | s = ROAR_STREAM(ss); |
---|
| 526 | |
---|
| 527 | memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info)); |
---|
| 528 | |
---|
[1850] | 529 | s->pos_rel_id = g_midi_clock.stream; |
---|
[1848] | 530 | |
---|
| 531 | s->info.codec = ROAR_CODEC_MIDI; |
---|
| 532 | ss->codec_orgi = ROAR_CODEC_MIDI; |
---|
| 533 | |
---|
[2401] | 534 | s->info.channels = 1; // we have only one channel, ticking on channel 0 |
---|
[2400] | 535 | s->info.rate = ROAR_MIDI_TICKS_PER_BEAT; // one beat per sec |
---|
| 536 | s->info.bits = ROAR_MIDI_BITS; |
---|
[1848] | 537 | |
---|
[1850] | 538 | if ( streams_set_dir(g_midi_clock.stream, ROAR_DIR_BRIDGE, 1) == -1 ) { |
---|
[1848] | 539 | ROAR_WARN("Error while initializing MIDI subsystem component clock"); |
---|
| 540 | return -1; |
---|
| 541 | } |
---|
| 542 | |
---|
[1850] | 543 | streams_set_name(g_midi_clock.stream, "MIDI Clock"); |
---|
[1848] | 544 | |
---|
[1850] | 545 | streams_set_flag(g_midi_clock.stream, ROAR_FLAG_PRIMARY); |
---|
| 546 | streams_set_flag(g_midi_clock.stream, ROAR_FLAG_SYNC); |
---|
[1848] | 547 | |
---|
[2400] | 548 | midi_clock_set_bph(3600); // one beat per sec |
---|
[1851] | 549 | |
---|
[1924] | 550 | midi_config.inited |= MIDI_INITED_CLOCK; |
---|
| 551 | |
---|
[1851] | 552 | return 0; |
---|
| 553 | } |
---|
| 554 | |
---|
| 555 | int midi_clock_set_bph (uint_least32_t bph) { |
---|
| 556 | uint_least32_t sph = g_sa->rate/2 * 75 * g_sa->channels; // samples per houre |
---|
| 557 | |
---|
| 558 | g_midi_clock.bph = bph; |
---|
| 559 | |
---|
| 560 | g_midi_clock.spt = sph/bph; |
---|
| 561 | |
---|
| 562 | g_midi_clock.nt = ROAR_MATH_OVERFLOW_ADD(g_pos, g_midi_clock.spt); |
---|
| 563 | |
---|
| 564 | return 0; |
---|
| 565 | } |
---|
| 566 | |
---|
| 567 | int midi_clock_tick (void) { |
---|
[1875] | 568 | struct roar_buffer * buf; |
---|
| 569 | struct midi_message * mes; |
---|
[1888] | 570 | struct roar_stream_server * ss; |
---|
[1851] | 571 | unsigned int diff; |
---|
| 572 | |
---|
[1888] | 573 | if ( streams_get(g_midi_clock.stream, &ss) == -1 ) { |
---|
| 574 | ROAR_ERR("midi_clock_tick(void): Something very BAD happend: can not get stream object of my own stream!"); |
---|
| 575 | g_midi_clock.stream = -1; |
---|
| 576 | ROAR_WARN("midi_clock_tick(void): Disabled MIDI Clock"); |
---|
| 577 | return -1; |
---|
| 578 | } |
---|
| 579 | |
---|
[1851] | 580 | while ( g_pos >= g_midi_clock.nt ) { |
---|
| 581 | diff = g_pos - g_midi_clock.nt; |
---|
[1911] | 582 | ROAR_DBG("midi_clock_tick(void): g_pos is %u samples (%5.2f%%) after of nt.", diff, (float)diff/g_midi_clock.spt); |
---|
[1851] | 583 | |
---|
| 584 | g_midi_clock.nt = ROAR_MATH_OVERFLOW_ADD(g_midi_clock.nt, g_midi_clock.spt); |
---|
| 585 | |
---|
| 586 | if ( streams_get_flag(g_midi_clock.stream, ROAR_FLAG_SYNC) ) { |
---|
[1860] | 587 | ROAR_DBG("midi_clock_tick(void): TICK! (nt=%lu)", g_midi_clock.nt); |
---|
[1875] | 588 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
---|
| 589 | ROAR_ERR("midi_clock_tick(void): Can not create Clock-Tick-Message"); |
---|
| 590 | } |
---|
| 591 | |
---|
| 592 | mes->type = MIDI_TYPE_CLOCK_TICK; |
---|
| 593 | |
---|
| 594 | if ( midi_add_buf(g_midi_clock.stream, buf) == -1 ) { |
---|
| 595 | ROAR_ERR("midi_clock_tick(void): Can not add Clock-Tick-Message"); |
---|
| 596 | roar_buffer_free(buf); |
---|
| 597 | return -1; |
---|
| 598 | } |
---|
[1888] | 599 | |
---|
| 600 | ROAR_STREAM(ss)->pos = ROAR_MATH_OVERFLOW_ADD(ROAR_STREAM(ss)->pos, 1); |
---|
[1851] | 601 | } else { |
---|
[1860] | 602 | ROAR_DBG("midi_clock_tick(void): silent tick. (nt=%lu)", g_midi_clock.nt); |
---|
[1851] | 603 | } |
---|
| 604 | } |
---|
| 605 | |
---|
[1848] | 606 | return 0; |
---|
| 607 | } |
---|
| 608 | |
---|
[1845] | 609 | // CB: |
---|
[1843] | 610 | |
---|
[2487] | 611 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[1843] | 612 | int midi_cb_init (void) { |
---|
[1751] | 613 | #ifdef _HAVE_CONSOLE |
---|
[1843] | 614 | struct roar_stream * s; |
---|
| 615 | struct roar_stream_server * ss; |
---|
[185] | 616 | int i; |
---|
| 617 | char * files[] = { |
---|
[1924] | 618 | "/NX", |
---|
| 619 | "/dev/roarconsole", |
---|
[185] | 620 | "/dev/console", |
---|
| 621 | #ifdef __linux__ |
---|
| 622 | "/dev/tty0", |
---|
| 623 | "/dev/vc/0", |
---|
| 624 | #endif |
---|
| 625 | NULL |
---|
| 626 | }; |
---|
| 627 | |
---|
[1853] | 628 | g_midi_cb.console = -1; |
---|
| 629 | g_midi_cb.stream = -1; |
---|
| 630 | g_midi_cb.stoptime = 0; |
---|
| 631 | g_midi_cb.playing = 0; |
---|
[185] | 632 | |
---|
[1924] | 633 | if ( midi_config.console_dev != NULL ) { |
---|
| 634 | files[0] = midi_config.console_dev; |
---|
| 635 | } |
---|
| 636 | |
---|
[185] | 637 | for (i = 0; files[i] != NULL; i++) { |
---|
[1853] | 638 | if ( (g_midi_cb.console = open(files[i], O_WRONLY|O_NOCTTY, 0)) != -1 ) |
---|
[185] | 639 | break; |
---|
| 640 | } |
---|
| 641 | |
---|
[1853] | 642 | if ( g_midi_cb.console == -1 ) |
---|
[1843] | 643 | return -1; |
---|
| 644 | |
---|
[1853] | 645 | if ( (g_midi_cb.stream = streams_new()) == -1 ) { |
---|
[1843] | 646 | ROAR_WARN("Error while initializing MIDI subsystem component CB"); |
---|
| 647 | midi_cb_free(); |
---|
[187] | 648 | return -1; |
---|
| 649 | } |
---|
[1843] | 650 | |
---|
[1853] | 651 | midi_vio_set_dummy(g_midi_cb.stream); |
---|
[1848] | 652 | |
---|
[1853] | 653 | streams_get(g_midi_cb.stream, &ss); |
---|
[1843] | 654 | s = ROAR_STREAM(ss); |
---|
| 655 | |
---|
| 656 | memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info)); |
---|
| 657 | |
---|
| 658 | s->pos_rel_id = -1; |
---|
| 659 | |
---|
| 660 | s->info.codec = 0; |
---|
| 661 | ss->codec_orgi = 0; |
---|
| 662 | |
---|
| 663 | s->info.channels = 1; |
---|
| 664 | s->info.rate = 1193180; |
---|
| 665 | s->info.bits = 8; |
---|
| 666 | |
---|
[1853] | 667 | if ( streams_set_dir(g_midi_cb.stream, ROAR_DIR_BRIDGE, 1) == -1 ) { |
---|
[1843] | 668 | ROAR_WARN("Error while initializing MIDI subsystem component CB"); |
---|
| 669 | midi_cb_free(); |
---|
| 670 | return -1; |
---|
| 671 | } |
---|
| 672 | |
---|
[1853] | 673 | streams_set_name(g_midi_cb.stream, "Console speaker bridge"); |
---|
[1843] | 674 | |
---|
[1853] | 675 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_OUTPUT); |
---|
| 676 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_PRIMARY); |
---|
| 677 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_HWMIXER); |
---|
[1885] | 678 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_MUTE); |
---|
[1843] | 679 | |
---|
[1924] | 680 | midi_config.inited |= MIDI_INITED_CB; |
---|
| 681 | |
---|
[1843] | 682 | return 0; |
---|
[1485] | 683 | #else |
---|
[1853] | 684 | g_midi_cb.console = -1; |
---|
| 685 | g_midi_cb.stream = -1; |
---|
[1843] | 686 | |
---|
[1485] | 687 | return -1; |
---|
| 688 | #endif |
---|
[185] | 689 | } |
---|
| 690 | |
---|
[1843] | 691 | int midi_cb_free (void) { |
---|
[1751] | 692 | #ifdef _HAVE_CONSOLE |
---|
[1843] | 693 | |
---|
| 694 | midi_cb_stop(); |
---|
| 695 | |
---|
[1853] | 696 | if ( g_midi_cb.stream != -1 ) |
---|
| 697 | streams_delete(g_midi_cb.stream); |
---|
[1843] | 698 | |
---|
[1853] | 699 | if ( g_midi_cb.console != -1 ) |
---|
| 700 | close(g_midi_cb.console); |
---|
[1843] | 701 | |
---|
[185] | 702 | return 0; |
---|
[1485] | 703 | #else |
---|
| 704 | return -1; |
---|
| 705 | #endif |
---|
[185] | 706 | } |
---|
| 707 | |
---|
| 708 | int midi_cb_play(float t, float freq, int override) { |
---|
[191] | 709 | float samples_per_sec /* S/s */ = g_sa->rate * g_sa->channels; |
---|
| 710 | |
---|
[189] | 711 | /* |
---|
| 712 | #define MIDI_CB_NOOVERRIDE 0 |
---|
| 713 | #define MIDI_CB_OVERRIDE 1 |
---|
| 714 | */ |
---|
[1853] | 715 | if ( g_midi_cb.playing && override != MIDI_CB_OVERRIDE ) |
---|
[191] | 716 | return -1; |
---|
| 717 | |
---|
[1853] | 718 | g_midi_cb.stoptime = ROAR_MATH_OVERFLOW_ADD(g_pos, samples_per_sec*t); |
---|
[191] | 719 | midi_cb_start(freq); |
---|
| 720 | |
---|
| 721 | return 0; |
---|
[185] | 722 | } |
---|
| 723 | |
---|
[190] | 724 | int midi_cb_update (void) { |
---|
[1884] | 725 | |
---|
| 726 | if ( !streams_get_flag(g_midi_cb.stream, ROAR_FLAG_MUTE) ) { |
---|
| 727 | if ( midi_cb_readbuf() == -1 ) |
---|
| 728 | return -1; |
---|
| 729 | } else if ( g_midi_cb.playing ) { |
---|
| 730 | midi_cb_stop(); |
---|
| 731 | } |
---|
[1882] | 732 | |
---|
[1853] | 733 | if ( !g_midi_cb.playing ) |
---|
[192] | 734 | return 0; |
---|
| 735 | |
---|
[1884] | 736 | /* |
---|
[1853] | 737 | if ( g_midi_cb.stoptime <= g_pos ) |
---|
[189] | 738 | midi_cb_stop(); |
---|
[1884] | 739 | */ |
---|
[189] | 740 | |
---|
[1882] | 741 | ROAR_DBG("midi_cb_update(void) = ?"); |
---|
| 742 | |
---|
[189] | 743 | return 0; |
---|
| 744 | } |
---|
| 745 | |
---|
[185] | 746 | int midi_cb_start(float freq) { |
---|
| 747 | // On linux this uses ioctl KIOCSOUND |
---|
[188] | 748 | #ifdef __linux__ |
---|
[1853] | 749 | if ( g_midi_cb.console == -1 ) |
---|
[188] | 750 | return -1; |
---|
| 751 | |
---|
[1853] | 752 | if ( ioctl(g_midi_cb.console, KIOCSOUND, freq == 0 ? 0 : (int)(1193180.0/freq)) == -1 ) |
---|
[188] | 753 | return -1; |
---|
| 754 | |
---|
[1884] | 755 | g_midi_cb.playing = 1; |
---|
| 756 | |
---|
[188] | 757 | return 0; |
---|
| 758 | #else |
---|
[185] | 759 | return -1; |
---|
[188] | 760 | #endif |
---|
[185] | 761 | } |
---|
| 762 | |
---|
| 763 | int midi_cb_stop (void) { |
---|
| 764 | #ifdef __linux__ |
---|
[1884] | 765 | int ret; |
---|
| 766 | |
---|
| 767 | ret = midi_cb_start(0); |
---|
[1853] | 768 | g_midi_cb.playing = 0; |
---|
[1884] | 769 | |
---|
| 770 | return ret; |
---|
[185] | 771 | #else |
---|
| 772 | return -1; |
---|
| 773 | #endif |
---|
| 774 | } |
---|
| 775 | |
---|
[1882] | 776 | int midi_cb_readbuf(void) { |
---|
| 777 | struct roar_buffer * buf = g_midi_mess.buf; |
---|
| 778 | struct midi_message * mes = NULL; |
---|
| 779 | |
---|
| 780 | ROAR_DBG("midi_cb_readbuf(void) = ?"); |
---|
| 781 | |
---|
| 782 | while (buf != NULL) { |
---|
| 783 | ROAR_DBG("midi_cb_readbuf(void): buf=%p", buf); |
---|
| 784 | |
---|
| 785 | if ( roar_buffer_get_data(buf, (void**)&mes) == -1 ) { |
---|
| 786 | return -1; |
---|
| 787 | } |
---|
| 788 | |
---|
| 789 | switch (mes->type) { |
---|
| 790 | case MIDI_TYPE_NOTE_ON: |
---|
| 791 | midi_cb_start(mes->d.note.freq); |
---|
| 792 | break; |
---|
| 793 | case MIDI_TYPE_NOTE_OFF: |
---|
| 794 | midi_cb_stop(); |
---|
| 795 | break; |
---|
[1890] | 796 | case MIDI_TYPE_CONTROLER: |
---|
[1894] | 797 | if ( mes->kk == MIDI_CCE_ALL_NOTE_OFF ) /* all note off */ |
---|
[1890] | 798 | midi_cb_stop(); |
---|
| 799 | break; |
---|
[1882] | 800 | } |
---|
| 801 | |
---|
| 802 | if ( roar_buffer_get_next(buf, &buf) == -1 ) |
---|
| 803 | buf = NULL; |
---|
| 804 | } |
---|
| 805 | |
---|
| 806 | return 0; |
---|
| 807 | } |
---|
[2487] | 808 | #endif |
---|
[1882] | 809 | |
---|
[1848] | 810 | // VIO: |
---|
| 811 | |
---|
| 812 | int midi_vio_set_dummy(int stream) { |
---|
| 813 | struct roar_stream_server * ss; |
---|
| 814 | |
---|
| 815 | if ( streams_get(stream, &ss) == -1 ) |
---|
| 816 | return -1; |
---|
| 817 | |
---|
| 818 | ss->vio.read = NULL; |
---|
| 819 | ss->vio.write = NULL; |
---|
| 820 | ss->vio.lseek = NULL; |
---|
[1849] | 821 | ss->vio.nonblock = (int (*)(struct roar_vio_calls * vio, int state))midi_vio_ok; |
---|
| 822 | ss->vio.sync = (int (*)(struct roar_vio_calls * vio))midi_vio_ok; |
---|
[1848] | 823 | ss->vio.ctl = NULL; |
---|
[1849] | 824 | ss->vio.close = (int (*)(struct roar_vio_calls * vio))midi_vio_ok; |
---|
| 825 | |
---|
| 826 | return 0; |
---|
[1848] | 827 | } |
---|
| 828 | |
---|
| 829 | int midi_vio_ok(struct roar_vio_calls * vio, ...) { |
---|
| 830 | return 0; |
---|
| 831 | } |
---|
| 832 | |
---|
[169] | 833 | //ll |
---|