[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 ) { |
---|
[5162] | 160 | ROAR_ERR("midi_check_stream(id=%i): Can not alloc buffer space!", id); |
---|
| 161 | ROAR_DBG("midi_check_stream(id=%i) = -1", id); |
---|
[1858] | 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 | |
---|
[5162] | 171 | if ( roar_buffer_set_len(b, len) == -1 ) { |
---|
| 172 | ROAR_WARN("midi_check_stream(id=%i): Can not set buffer size. BAD.", id); |
---|
| 173 | roar_buffer_free(b); |
---|
| 174 | streams_delete(id); |
---|
| 175 | return -1; |
---|
| 176 | } |
---|
[1858] | 177 | |
---|
[1859] | 178 | if ( stream_add_buffer(id, b) == -1 ) { |
---|
| 179 | roar_buffer_free(b); |
---|
| 180 | streams_delete(id); |
---|
| 181 | return -1; |
---|
| 182 | } |
---|
| 183 | |
---|
[1858] | 184 | switch (s->info.codec) { |
---|
| 185 | case ROAR_CODEC_MIDI: |
---|
| 186 | return midi_conv_midi2mes(id); |
---|
| 187 | break; |
---|
[1846] | 188 | default: |
---|
| 189 | streams_delete(id); |
---|
| 190 | return -1; |
---|
| 191 | } |
---|
| 192 | |
---|
[5053] | 193 | ROAR_DBG("midi_check_stream(id=%i) = 0", id); |
---|
[1846] | 194 | return 0; |
---|
[1845] | 195 | } |
---|
[1846] | 196 | |
---|
[1845] | 197 | int midi_send_stream (int id) { |
---|
[1846] | 198 | struct roar_stream * s; |
---|
| 199 | struct roar_stream_server * ss; |
---|
| 200 | |
---|
| 201 | if ( g_streams[id] == NULL ) |
---|
| 202 | return -1; |
---|
| 203 | |
---|
| 204 | ROAR_DBG("midi_send_stream(id=%i) = ?", id); |
---|
| 205 | |
---|
| 206 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 207 | |
---|
| 208 | switch (s->info.codec) { |
---|
[1877] | 209 | case ROAR_CODEC_MIDI: |
---|
| 210 | return midi_conv_mes2midi(id); |
---|
| 211 | break; |
---|
[1846] | 212 | default: |
---|
| 213 | streams_delete(id); |
---|
| 214 | return -1; |
---|
| 215 | } |
---|
| 216 | |
---|
| 217 | return 0; |
---|
[1845] | 218 | } |
---|
| 219 | |
---|
[5089] | 220 | #if 1 |
---|
| 221 | static int _cache_to_mes(struct midi_message * mes, unsigned char * data, size_t len, |
---|
| 222 | int id, struct roar_stream_server * ss) { |
---|
| 223 | unsigned char type = *data; |
---|
| 224 | |
---|
| 225 | ROAR_DBG("_cache_to_mes(*): type=0x%.2X", (unsigned int)type); |
---|
| 226 | |
---|
| 227 | if (type == MIDI_TYPE_CLOCK_TICK || type == MIDI_TYPE_CLOCK_START || type == MIDI_TYPE_CLOCK_STOP ) { |
---|
| 228 | if ( len != 1 ) |
---|
| 229 | return -1; |
---|
| 230 | |
---|
| 231 | mes->type = type; |
---|
| 232 | |
---|
| 233 | if ( type == MIDI_TYPE_CLOCK_TICK ) { |
---|
| 234 | // TODO: |
---|
| 235 | ROAR_STREAM(ss)->pos = ROAR_MATH_OVERFLOW_ADD(ROAR_STREAM(ss)->pos, 1); |
---|
| 236 | } |
---|
| 237 | } else { |
---|
| 238 | mes->type = type & 0xF0; |
---|
| 239 | mes->channel = type & 0x0F; |
---|
| 240 | |
---|
| 241 | switch (mes->type) { |
---|
| 242 | case MIDI_TYPE_NOTE_ON: |
---|
| 243 | case MIDI_TYPE_NOTE_OFF: |
---|
| 244 | if ( len != 3 ) |
---|
| 245 | return -1; |
---|
| 246 | roar_midi_note_from_midiid(&(mes->d.note), data[1]); |
---|
| 247 | |
---|
| 248 | // if velocity is zero we have a NOTE OFF event |
---|
| 249 | if ( data[2] == 0 ) |
---|
| 250 | mes->type = MIDI_TYPE_NOTE_OFF; |
---|
| 251 | case MIDI_TYPE_PA: |
---|
| 252 | case MIDI_TYPE_CONTROLER: |
---|
| 253 | mes->kk = data[1]; |
---|
| 254 | mes->vv = data[2]; |
---|
| 255 | break; |
---|
| 256 | case MIDI_TYPE_PROGRAM: |
---|
| 257 | case MIDI_TYPE_MA: |
---|
| 258 | if ( len != 2 ) |
---|
| 259 | return -1; |
---|
| 260 | mes->vv = data[1]; |
---|
| 261 | break; |
---|
| 262 | case MIDI_TYPE_PB: |
---|
| 263 | case MIDI_TYPE_SYSEX: |
---|
| 264 | ROAR_WARN("_cache_to_mes(id=%i): Message of Type 0x%.2X (PB or SysEx) not yet supported", id, (unsigned int)type); |
---|
| 265 | return -1; |
---|
| 266 | break; |
---|
| 267 | } |
---|
| 268 | } |
---|
| 269 | |
---|
| 270 | switch (mes->type) { |
---|
| 271 | case MIDI_TYPE_CONTROLER: |
---|
| 272 | switch (mes->kk) { |
---|
| 273 | case MIDI_CCE_MAIN_VOL: |
---|
| 274 | if ( (516 * mes->vv) > 65100 ) { // max volume |
---|
| 275 | ss->mixer.mixer[mes->channel] = 65535; |
---|
| 276 | } else { |
---|
| 277 | ss->mixer.mixer[mes->channel] = 516 * mes->vv; |
---|
| 278 | } |
---|
| 279 | break; |
---|
| 280 | } |
---|
| 281 | break; |
---|
| 282 | } |
---|
| 283 | |
---|
| 284 | ROAR_DBG("_cache_to_mes(*) = 0"); |
---|
| 285 | return 0; |
---|
| 286 | } |
---|
| 287 | |
---|
| 288 | int midi_conv_midi2mes (int id) { |
---|
| 289 | struct roar_stream * s; |
---|
| 290 | struct roar_stream_server * ss; |
---|
| 291 | size_t have; |
---|
| 292 | void * bufdata; |
---|
| 293 | unsigned char * data; |
---|
| 294 | unsigned char cache[3]; |
---|
| 295 | size_t cachepos = 0; |
---|
| 296 | int sync = 1; |
---|
| 297 | struct roar_buffer * buf = NULL; |
---|
| 298 | struct midi_message * mes = NULL; |
---|
| 299 | |
---|
| 300 | if ( g_streams[id] == NULL ) |
---|
| 301 | return -1; |
---|
| 302 | |
---|
| 303 | ROAR_DBG("midi_conv_midi2mes(id=%i) = ?", id); |
---|
| 304 | |
---|
| 305 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 306 | |
---|
| 307 | while (ss->buffer != NULL) { |
---|
| 308 | if ( roar_buffer_get_len(ss->buffer, &have) == -1 ) |
---|
| 309 | return -1; |
---|
| 310 | if ( roar_buffer_get_data(ss->buffer, &bufdata) == -1 ) |
---|
| 311 | return -1; |
---|
| 312 | data = bufdata; |
---|
| 313 | |
---|
| 314 | while (have) { |
---|
| 315 | if ( !sync ) { |
---|
| 316 | if ( *data & 0x80 ) { |
---|
| 317 | cachepos = 0; |
---|
| 318 | sync = 1; |
---|
| 319 | } else { |
---|
| 320 | data++; |
---|
| 321 | have--; |
---|
| 322 | continue; |
---|
| 323 | } |
---|
| 324 | } |
---|
| 325 | |
---|
| 326 | if ( (*data & 0x80) && cachepos != 0 ) { |
---|
| 327 | // submit cache. |
---|
| 328 | |
---|
| 329 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
---|
| 330 | // this is bad. |
---|
| 331 | // TODO: handle better. |
---|
| 332 | return -1; |
---|
| 333 | } |
---|
| 334 | |
---|
| 335 | if ( _cache_to_mes(mes, cache, cachepos, id, ss) == -1 ) { |
---|
| 336 | ROAR_WARN("midi_conv_midi2mes(id=%i): Message can not be parsed.", id); |
---|
| 337 | roar_buffer_free(buf); |
---|
| 338 | } else { |
---|
| 339 | midi_add_buf(id, buf); // FIXME: don't we need error handling here? |
---|
| 340 | } |
---|
| 341 | |
---|
| 342 | cachepos = 0; |
---|
| 343 | } else if ( cachepos == sizeof(cache) ) { |
---|
| 344 | // lost sync. |
---|
| 345 | sync = 0; |
---|
| 346 | continue; |
---|
| 347 | } |
---|
| 348 | |
---|
| 349 | ROAR_DBG("midi_conv_midi2mes(id=%i): cache[%u] = 0x%.2X", id, (unsigned int)cachepos, (unsigned int)*data); |
---|
| 350 | cache[cachepos++] = *data; |
---|
| 351 | data++; |
---|
| 352 | have--; |
---|
| 353 | } |
---|
| 354 | |
---|
[5162] | 355 | if ( roar_buffer_next(&(ss->buffer)) == -1 ) { |
---|
| 356 | ROAR_WARN("midi_conv_midi2mes(id=%i): Can not move to next buffer segment. BAD.", id); |
---|
| 357 | break; |
---|
| 358 | } |
---|
[5089] | 359 | } |
---|
| 360 | |
---|
| 361 | if ( cachepos ) { |
---|
| 362 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
---|
| 363 | // this is bad. |
---|
| 364 | // TODO: handle better. |
---|
| 365 | return -1; |
---|
| 366 | } |
---|
| 367 | |
---|
| 368 | if ( _cache_to_mes(mes, cache, cachepos, id, ss) == -1 ) { |
---|
| 369 | roar_buffer_free(buf); |
---|
| 370 | } else { |
---|
| 371 | midi_add_buf(id, buf); // FIXME: don't we need error handling here? |
---|
| 372 | cachepos = 0; |
---|
| 373 | } |
---|
| 374 | } |
---|
| 375 | |
---|
| 376 | if ( cachepos ) { |
---|
| 377 | if ( roar_buffer_new_data(&buf, cachepos, &bufdata) == -1 ) |
---|
| 378 | return -1; |
---|
| 379 | |
---|
| 380 | memcpy(bufdata, cache, cachepos); |
---|
| 381 | |
---|
| 382 | ss->buffer = buf; |
---|
| 383 | } |
---|
| 384 | |
---|
| 385 | return 0; |
---|
| 386 | } |
---|
| 387 | #else |
---|
[1858] | 388 | int midi_conv_midi2mes (int id) { |
---|
[4521] | 389 | void * bufdata; |
---|
[1863] | 390 | unsigned char * data; |
---|
| 391 | struct roar_stream * s; |
---|
| 392 | struct roar_stream_server * ss; |
---|
| 393 | struct roar_buffer * buf = NULL; |
---|
| 394 | struct midi_message * mes = NULL; |
---|
[1879] | 395 | size_t need = 0, have = 0, last_have = 0, old_have = 0; |
---|
[1863] | 396 | int alive = 1; |
---|
| 397 | |
---|
| 398 | if ( g_streams[id] == NULL ) |
---|
| 399 | return -1; |
---|
| 400 | |
---|
| 401 | ROAR_DBG("midi_conv_midi2mes(id=%i) = ?", id); |
---|
| 402 | |
---|
| 403 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 404 | |
---|
| 405 | while (ss->buffer != NULL && alive) { |
---|
[5053] | 406 | ROAR_DBG("midi_conv_midi2mes(id=%i): ss->buffer=%p, alive=%i", id, ss->buffer, alive); |
---|
| 407 | |
---|
[4521] | 408 | if ( roar_buffer_get_data(ss->buffer, &bufdata) == -1 ) { |
---|
[1863] | 409 | alive = 0; |
---|
| 410 | continue; |
---|
| 411 | } |
---|
| 412 | |
---|
[4521] | 413 | data = bufdata; |
---|
| 414 | |
---|
[1863] | 415 | if ( roar_buffer_get_len(ss->buffer, &have) == -1 ) { |
---|
| 416 | alive = 0; |
---|
| 417 | continue; |
---|
| 418 | } |
---|
[1879] | 419 | old_have = have; |
---|
[1863] | 420 | |
---|
| 421 | while (have && alive) { |
---|
[5053] | 422 | ROAR_DBG("midi_conv_midi2mes(id=%i): have=%llu, alive=%i", id, (long long unsigned int)have, alive); |
---|
| 423 | |
---|
[1863] | 424 | if ( *data & 0x80 ) { |
---|
[1865] | 425 | if ( buf != NULL ) { |
---|
[1866] | 426 | midi_add_buf(id, buf); |
---|
[1865] | 427 | buf = NULL; |
---|
| 428 | } |
---|
| 429 | |
---|
[1879] | 430 | last_have = have; |
---|
| 431 | |
---|
[1863] | 432 | need = 0; |
---|
| 433 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
---|
| 434 | alive = 0; |
---|
| 435 | continue; |
---|
| 436 | } |
---|
[1865] | 437 | |
---|
| 438 | if (*data == MIDI_TYPE_CLOCK_TICK || *data == MIDI_TYPE_CLOCK_START || *data == MIDI_TYPE_CLOCK_STOP ) { |
---|
| 439 | mes->type = *data; |
---|
[1891] | 440 | |
---|
| 441 | if ( *data == MIDI_TYPE_CLOCK_TICK ) { |
---|
| 442 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, 1); |
---|
| 443 | } |
---|
[1865] | 444 | } else { |
---|
| 445 | mes->type = *data & 0xF0; |
---|
| 446 | mes->channel = *data & 0x0F; |
---|
| 447 | switch (*data & 0xF0) { |
---|
| 448 | case MIDI_TYPE_NOTE_ON: |
---|
| 449 | case MIDI_TYPE_NOTE_OFF: |
---|
| 450 | need = 2; |
---|
| 451 | break; |
---|
| 452 | case MIDI_TYPE_PA: |
---|
| 453 | need = 2; |
---|
| 454 | break; |
---|
| 455 | case MIDI_TYPE_CONTROLER: |
---|
| 456 | need = 2; |
---|
| 457 | break; |
---|
| 458 | case MIDI_TYPE_PROGRAM: |
---|
| 459 | need = 1; |
---|
| 460 | break; |
---|
| 461 | case MIDI_TYPE_MA: |
---|
| 462 | need = 1; |
---|
| 463 | break; |
---|
| 464 | case MIDI_TYPE_PB: |
---|
| 465 | case MIDI_TYPE_SYSEX: |
---|
| 466 | need = 1; |
---|
| 467 | break; |
---|
| 468 | } |
---|
| 469 | } |
---|
| 470 | |
---|
[1863] | 471 | } else { |
---|
[1871] | 472 | |
---|
| 473 | if ( mes == NULL ) { |
---|
| 474 | ROAR_WARN("midi_conv_midi2mes(id=%i): Lost sync.", id); |
---|
| 475 | data++; |
---|
| 476 | have--; |
---|
| 477 | continue; |
---|
| 478 | } |
---|
| 479 | |
---|
| 480 | switch (mes->type) { |
---|
[1873] | 481 | case MIDI_TYPE_NOTE_ON: |
---|
| 482 | case MIDI_TYPE_NOTE_OFF: |
---|
[1881] | 483 | if ( need == 2 ) { |
---|
| 484 | roar_midi_note_from_midiid(&(mes->d.note), *data); |
---|
[2409] | 485 | |
---|
| 486 | // if velocity is zero we have a NOTE OFF event |
---|
| 487 | if ( data[1] == 0 ) |
---|
| 488 | mes->type = MIDI_TYPE_NOTE_OFF; |
---|
[1881] | 489 | } |
---|
[1874] | 490 | case MIDI_TYPE_PA: |
---|
| 491 | case MIDI_TYPE_CONTROLER: |
---|
[1873] | 492 | if ( need == 2 ) { |
---|
| 493 | mes->kk = *data; |
---|
| 494 | } else { |
---|
| 495 | mes->vv = *data; |
---|
| 496 | } |
---|
| 497 | break; |
---|
| 498 | case MIDI_TYPE_PROGRAM: |
---|
| 499 | case MIDI_TYPE_MA: |
---|
[1874] | 500 | mes->vv = *data; |
---|
| 501 | break; |
---|
[1873] | 502 | case MIDI_TYPE_PB: |
---|
| 503 | case MIDI_TYPE_SYSEX: |
---|
[1874] | 504 | ROAR_WARN("midi_conv_midi2mes(id=%i): Message of Type 0x%.2X (PB or SysEx) not yet supported", id, mes->type); |
---|
[1873] | 505 | break; |
---|
[1871] | 506 | } |
---|
| 507 | |
---|
[1863] | 508 | if ( need ) |
---|
| 509 | need--; |
---|
[1893] | 510 | |
---|
| 511 | if ( !need ) { |
---|
| 512 | switch (mes->type) { |
---|
| 513 | case MIDI_TYPE_CONTROLER: |
---|
| 514 | switch (mes->kk) { |
---|
| 515 | case MIDI_CCE_MAIN_VOL: |
---|
| 516 | if ( 516 * mes->vv > 65100 ) { // max volume |
---|
| 517 | ss->mixer.mixer[mes->channel] = 65535; |
---|
| 518 | } else { |
---|
| 519 | ss->mixer.mixer[mes->channel] = 516 * mes->vv; |
---|
| 520 | } |
---|
| 521 | break; |
---|
| 522 | } |
---|
| 523 | break; |
---|
| 524 | } |
---|
| 525 | } |
---|
| 526 | |
---|
[1863] | 527 | } |
---|
| 528 | data++; |
---|
| 529 | have--; |
---|
| 530 | } |
---|
| 531 | |
---|
[1865] | 532 | if ( need ) { |
---|
[5053] | 533 | ROAR_DBG("midi_conv_midi2mes(id=%i) = ?", id); |
---|
[1879] | 534 | if ( roar_buffer_set_offset(ss->buffer, old_have - last_have) == -1 ) { |
---|
| 535 | ROAR_ERR("midi_conv_midi2mes(*): FIXME: BUG!!! Need to restore buffer here with corrected length"); |
---|
| 536 | } |
---|
[1865] | 537 | } else if ( !have ) { |
---|
[1863] | 538 | roar_buffer_next(&(ss->buffer)); |
---|
| 539 | } |
---|
| 540 | |
---|
| 541 | if ( need && buf != NULL ) { |
---|
| 542 | roar_buffer_free(buf); |
---|
| 543 | buf = NULL; |
---|
| 544 | } else if ( buf != NULL ) { |
---|
[1866] | 545 | midi_add_buf(id, buf); |
---|
[1863] | 546 | buf = NULL; |
---|
| 547 | } |
---|
| 548 | } |
---|
| 549 | |
---|
| 550 | return 0; |
---|
[1858] | 551 | } |
---|
[5089] | 552 | #endif |
---|
[1858] | 553 | |
---|
[1877] | 554 | #define _nb len++; *(d++) |
---|
[1858] | 555 | int midi_conv_mes2midi (int id) { |
---|
[1877] | 556 | struct roar_stream * s; |
---|
| 557 | struct roar_stream_server * ss; |
---|
| 558 | struct roar_buffer * buf = g_midi_mess.buf; |
---|
| 559 | struct midi_message * mes = NULL; |
---|
[4521] | 560 | void * bufdata; |
---|
[1877] | 561 | unsigned char data[3]; |
---|
| 562 | unsigned char * d; |
---|
| 563 | int len; |
---|
[1909] | 564 | int send_clock; |
---|
[1877] | 565 | |
---|
| 566 | if ( g_streams[id] == NULL ) |
---|
| 567 | return -1; |
---|
| 568 | |
---|
| 569 | ROAR_DBG("midi_conv_mes2midi(id=%i) = ?", id); |
---|
| 570 | |
---|
| 571 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 572 | |
---|
[1909] | 573 | send_clock = streams_get_flag(id, ROAR_FLAG_SYNC); |
---|
| 574 | |
---|
[1877] | 575 | while (buf != NULL) { |
---|
[4521] | 576 | if ( roar_buffer_get_data(buf, &bufdata) == -1 ) { |
---|
[1877] | 577 | return -1; |
---|
| 578 | } |
---|
| 579 | |
---|
[4521] | 580 | mes = bufdata; |
---|
| 581 | |
---|
[1877] | 582 | if (mes->type == MIDI_TYPE_CLOCK_TICK || mes->type == MIDI_TYPE_CLOCK_START || mes->type == MIDI_TYPE_CLOCK_STOP ) { |
---|
[1910] | 583 | if ( send_clock ) { |
---|
[1909] | 584 | if ( stream_vio_s_write(ss, &(mes->type), 1) != 1 ) { |
---|
| 585 | streams_delete(id); |
---|
| 586 | return -1; |
---|
| 587 | } |
---|
[1877] | 588 | } |
---|
[1896] | 589 | |
---|
| 590 | if ( mes->type == MIDI_TYPE_CLOCK_TICK ) { |
---|
| 591 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, 1); |
---|
| 592 | } |
---|
[1877] | 593 | } else { |
---|
| 594 | len = 0; |
---|
| 595 | d = data; |
---|
| 596 | |
---|
| 597 | _nb = (mes->type & 0xF0) | (mes->channel & 0x0F); |
---|
| 598 | |
---|
| 599 | switch (mes->type) { |
---|
[1898] | 600 | case MIDI_TYPE_CONTROLER: |
---|
| 601 | switch (mes->kk) { |
---|
| 602 | case MIDI_CCE_MAIN_VOL: |
---|
| 603 | if ( 516 * mes->vv > 65100 ) { // max volume |
---|
| 604 | ss->mixer.mixer[mes->channel] = 65535; |
---|
| 605 | } else { |
---|
| 606 | ss->mixer.mixer[mes->channel] = 516 * mes->vv; |
---|
| 607 | } |
---|
| 608 | break; |
---|
| 609 | } |
---|
[1877] | 610 | case MIDI_TYPE_NOTE_ON: |
---|
| 611 | case MIDI_TYPE_NOTE_OFF: |
---|
| 612 | case MIDI_TYPE_PA: |
---|
| 613 | _nb = mes->kk; |
---|
| 614 | _nb = mes->vv; |
---|
| 615 | break; |
---|
| 616 | case MIDI_TYPE_PROGRAM: |
---|
| 617 | case MIDI_TYPE_MA: |
---|
| 618 | _nb = mes->vv; |
---|
| 619 | break; |
---|
| 620 | case MIDI_TYPE_PB: |
---|
| 621 | case MIDI_TYPE_SYSEX: |
---|
| 622 | break; |
---|
| 623 | } |
---|
| 624 | |
---|
| 625 | if ( stream_vio_s_write(ss, data, len) != len ) { |
---|
| 626 | streams_delete(id); |
---|
| 627 | return -1; |
---|
| 628 | } |
---|
| 629 | } |
---|
| 630 | |
---|
| 631 | if ( roar_buffer_get_next(buf, &buf) == -1 ) |
---|
| 632 | buf = NULL; |
---|
| 633 | } |
---|
| 634 | |
---|
| 635 | return 0; |
---|
[1858] | 636 | } |
---|
[1877] | 637 | #undef _nb |
---|
[1858] | 638 | |
---|
[2489] | 639 | #ifndef ROAR_WITHOUT_DCOMP_SSYNTH |
---|
[2461] | 640 | int midi_conv_mes2ssynth(void) { |
---|
[2462] | 641 | struct roar_buffer * buf = g_midi_mess.buf; |
---|
| 642 | struct midi_message * mes = NULL; |
---|
[4521] | 643 | void * bufdata; |
---|
[2462] | 644 | |
---|
| 645 | while (buf != NULL) { |
---|
[4521] | 646 | if ( roar_buffer_get_data(buf, &bufdata) == -1 ) { |
---|
[2462] | 647 | return -1; |
---|
| 648 | } |
---|
| 649 | |
---|
[4521] | 650 | mes = bufdata; |
---|
| 651 | |
---|
[2462] | 652 | if ( ssynth_eval_message(mes) == -1 ) |
---|
| 653 | return -1; |
---|
| 654 | |
---|
| 655 | if ( roar_buffer_get_next(buf, &buf) == -1 ) |
---|
| 656 | buf = NULL; |
---|
| 657 | } |
---|
| 658 | |
---|
| 659 | return 0; |
---|
[2461] | 660 | } |
---|
[2489] | 661 | #endif |
---|
[2461] | 662 | |
---|
[1863] | 663 | int midi_new_bufmes (struct roar_buffer ** buf, struct midi_message ** mes) { |
---|
| 664 | if ( buf == NULL || mes == NULL ) |
---|
| 665 | return -1; |
---|
| 666 | |
---|
[1867] | 667 | *buf = (void*)(*mes = NULL); |
---|
[1863] | 668 | |
---|
[3764] | 669 | if ( roar_buffer_new_data(buf, sizeof(struct midi_message), (void**)mes) == -1 ) { |
---|
[1867] | 670 | *buf = (void*)(*mes = NULL); |
---|
[1863] | 671 | return -1; |
---|
| 672 | } |
---|
| 673 | |
---|
| 674 | memset((void*)*mes, 0, sizeof(struct midi_message)); |
---|
| 675 | |
---|
| 676 | (*mes)->type = MIDI_TYPE_NONE; |
---|
| 677 | |
---|
| 678 | return 0; |
---|
| 679 | } |
---|
| 680 | |
---|
[1866] | 681 | int midi_add_buf (int id, struct roar_buffer * buf) { |
---|
[5162] | 682 | #ifdef DEBUG |
---|
[1869] | 683 | struct midi_message * mes; |
---|
[4521] | 684 | void * bufdata; |
---|
[5162] | 685 | #endif |
---|
[1869] | 686 | |
---|
[1866] | 687 | if ( id == -1 || buf == NULL ) |
---|
| 688 | return -1; |
---|
| 689 | |
---|
[5162] | 690 | #ifdef DEBUG |
---|
[4521] | 691 | if ( roar_buffer_get_data(buf, &bufdata) == -1 ) |
---|
[1869] | 692 | return -1; |
---|
| 693 | |
---|
[4521] | 694 | mes = bufdata; |
---|
| 695 | |
---|
[1878] | 696 | ROAR_DBG("midi_add_buf(id=%i, buf=%p) = ?", id, buf); |
---|
| 697 | ROAR_DBG("midi_add_buf(*): MIDI Message of Type 0x%.2X", mes->type); |
---|
| 698 | ROAR_DBG("midi_add_buf(*): Channel: %i", mes->channel); |
---|
| 699 | ROAR_DBG("midi_add_buf(*): flags=0x%.2X", mes->flags); |
---|
| 700 | ROAR_DBG("midi_add_buf(*): kk=0x%.2X, vv=0x%.2X", mes->kk, mes->vv); |
---|
[5162] | 701 | #endif |
---|
[1869] | 702 | |
---|
[1866] | 703 | if ( g_midi_mess.buf == NULL ) { |
---|
| 704 | g_midi_mess.buf = buf; |
---|
| 705 | } else { |
---|
[5162] | 706 | if ( roar_buffer_add(g_midi_mess.buf, buf) == -1 ) { |
---|
| 707 | ROAR_DBG("midi_add_buf(*) = -1"); |
---|
| 708 | return -1; |
---|
| 709 | } |
---|
[1866] | 710 | } |
---|
| 711 | |
---|
[5053] | 712 | ROAR_DBG("midi_add_buf(*) = 0"); |
---|
[1866] | 713 | return 0; |
---|
| 714 | } |
---|
| 715 | |
---|
[1848] | 716 | // bridges: |
---|
| 717 | int midi_check_bridge (int id) { |
---|
[1851] | 718 | |
---|
[1860] | 719 | ROAR_DBG("midi_check_bridge(id=%i) = ?", id); |
---|
[1851] | 720 | |
---|
| 721 | if ( id == g_midi_clock.stream ) { |
---|
| 722 | midi_clock_tick(); |
---|
| 723 | |
---|
| 724 | return 0; |
---|
| 725 | } |
---|
| 726 | |
---|
[1848] | 727 | return -1; |
---|
| 728 | } |
---|
| 729 | |
---|
| 730 | // clock: |
---|
| 731 | |
---|
| 732 | int midi_clock_init (void) { |
---|
| 733 | struct roar_stream * s; |
---|
| 734 | struct roar_stream_server * ss; |
---|
| 735 | |
---|
[1850] | 736 | if ( (g_midi_clock.stream = streams_new()) == -1 ) { |
---|
[1848] | 737 | ROAR_WARN("Error while initializing MIDI subsystem component clock"); |
---|
| 738 | return -1; |
---|
| 739 | } |
---|
| 740 | |
---|
[2915] | 741 | client_stream_add(g_self_client, g_midi_clock.stream); |
---|
| 742 | |
---|
[1850] | 743 | midi_vio_set_dummy(g_midi_clock.stream); |
---|
[1848] | 744 | |
---|
[1850] | 745 | streams_get(g_midi_clock.stream, &ss); |
---|
[1848] | 746 | s = ROAR_STREAM(ss); |
---|
| 747 | |
---|
| 748 | memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info)); |
---|
| 749 | |
---|
[1850] | 750 | s->pos_rel_id = g_midi_clock.stream; |
---|
[1848] | 751 | |
---|
| 752 | s->info.codec = ROAR_CODEC_MIDI; |
---|
| 753 | ss->codec_orgi = ROAR_CODEC_MIDI; |
---|
| 754 | |
---|
[2401] | 755 | s->info.channels = 1; // we have only one channel, ticking on channel 0 |
---|
[2400] | 756 | s->info.rate = ROAR_MIDI_TICKS_PER_BEAT; // one beat per sec |
---|
| 757 | s->info.bits = ROAR_MIDI_BITS; |
---|
[1848] | 758 | |
---|
[1850] | 759 | if ( streams_set_dir(g_midi_clock.stream, ROAR_DIR_BRIDGE, 1) == -1 ) { |
---|
[1848] | 760 | ROAR_WARN("Error while initializing MIDI subsystem component clock"); |
---|
| 761 | return -1; |
---|
| 762 | } |
---|
| 763 | |
---|
[1850] | 764 | streams_set_name(g_midi_clock.stream, "MIDI Clock"); |
---|
[1848] | 765 | |
---|
[1850] | 766 | streams_set_flag(g_midi_clock.stream, ROAR_FLAG_PRIMARY); |
---|
| 767 | streams_set_flag(g_midi_clock.stream, ROAR_FLAG_SYNC); |
---|
[1848] | 768 | |
---|
[2400] | 769 | midi_clock_set_bph(3600); // one beat per sec |
---|
[1851] | 770 | |
---|
[2943] | 771 | ss->state = ROAR_STREAMSTATE_NEW; |
---|
| 772 | |
---|
[1924] | 773 | midi_config.inited |= MIDI_INITED_CLOCK; |
---|
| 774 | |
---|
[1851] | 775 | return 0; |
---|
| 776 | } |
---|
| 777 | |
---|
| 778 | int midi_clock_set_bph (uint_least32_t bph) { |
---|
| 779 | uint_least32_t sph = g_sa->rate/2 * 75 * g_sa->channels; // samples per houre |
---|
| 780 | |
---|
| 781 | g_midi_clock.bph = bph; |
---|
| 782 | |
---|
| 783 | g_midi_clock.spt = sph/bph; |
---|
| 784 | |
---|
| 785 | g_midi_clock.nt = ROAR_MATH_OVERFLOW_ADD(g_pos, g_midi_clock.spt); |
---|
| 786 | |
---|
| 787 | return 0; |
---|
| 788 | } |
---|
| 789 | |
---|
| 790 | int midi_clock_tick (void) { |
---|
[1875] | 791 | struct roar_buffer * buf; |
---|
| 792 | struct midi_message * mes; |
---|
[1888] | 793 | struct roar_stream_server * ss; |
---|
[1851] | 794 | unsigned int diff; |
---|
| 795 | |
---|
[1888] | 796 | if ( streams_get(g_midi_clock.stream, &ss) == -1 ) { |
---|
| 797 | ROAR_ERR("midi_clock_tick(void): Something very BAD happend: can not get stream object of my own stream!"); |
---|
| 798 | g_midi_clock.stream = -1; |
---|
| 799 | ROAR_WARN("midi_clock_tick(void): Disabled MIDI Clock"); |
---|
| 800 | return -1; |
---|
| 801 | } |
---|
| 802 | |
---|
[1851] | 803 | while ( g_pos >= g_midi_clock.nt ) { |
---|
| 804 | diff = g_pos - g_midi_clock.nt; |
---|
[1911] | 805 | ROAR_DBG("midi_clock_tick(void): g_pos is %u samples (%5.2f%%) after of nt.", diff, (float)diff/g_midi_clock.spt); |
---|
[1851] | 806 | |
---|
| 807 | g_midi_clock.nt = ROAR_MATH_OVERFLOW_ADD(g_midi_clock.nt, g_midi_clock.spt); |
---|
| 808 | |
---|
| 809 | if ( streams_get_flag(g_midi_clock.stream, ROAR_FLAG_SYNC) ) { |
---|
[1860] | 810 | ROAR_DBG("midi_clock_tick(void): TICK! (nt=%lu)", g_midi_clock.nt); |
---|
[1875] | 811 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
---|
| 812 | ROAR_ERR("midi_clock_tick(void): Can not create Clock-Tick-Message"); |
---|
| 813 | } |
---|
| 814 | |
---|
| 815 | mes->type = MIDI_TYPE_CLOCK_TICK; |
---|
| 816 | |
---|
| 817 | if ( midi_add_buf(g_midi_clock.stream, buf) == -1 ) { |
---|
| 818 | ROAR_ERR("midi_clock_tick(void): Can not add Clock-Tick-Message"); |
---|
| 819 | roar_buffer_free(buf); |
---|
| 820 | return -1; |
---|
| 821 | } |
---|
[1888] | 822 | |
---|
| 823 | ROAR_STREAM(ss)->pos = ROAR_MATH_OVERFLOW_ADD(ROAR_STREAM(ss)->pos, 1); |
---|
[2943] | 824 | ss->state = ROAR_STREAMSTATE_OLD; |
---|
[1851] | 825 | } else { |
---|
[1860] | 826 | ROAR_DBG("midi_clock_tick(void): silent tick. (nt=%lu)", g_midi_clock.nt); |
---|
[1851] | 827 | } |
---|
| 828 | } |
---|
| 829 | |
---|
[1848] | 830 | return 0; |
---|
| 831 | } |
---|
| 832 | |
---|
[1845] | 833 | // CB: |
---|
[1843] | 834 | |
---|
[2487] | 835 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[1843] | 836 | int midi_cb_init (void) { |
---|
[1751] | 837 | #ifdef _HAVE_CONSOLE |
---|
[1843] | 838 | struct roar_stream * s; |
---|
| 839 | struct roar_stream_server * ss; |
---|
[185] | 840 | int i; |
---|
| 841 | char * files[] = { |
---|
[1924] | 842 | "/NX", |
---|
| 843 | "/dev/roarconsole", |
---|
[185] | 844 | "/dev/console", |
---|
| 845 | #ifdef __linux__ |
---|
| 846 | "/dev/tty0", |
---|
| 847 | "/dev/vc/0", |
---|
| 848 | #endif |
---|
| 849 | NULL |
---|
| 850 | }; |
---|
| 851 | |
---|
[1853] | 852 | g_midi_cb.console = -1; |
---|
| 853 | g_midi_cb.stream = -1; |
---|
| 854 | g_midi_cb.stoptime = 0; |
---|
| 855 | g_midi_cb.playing = 0; |
---|
[185] | 856 | |
---|
[1924] | 857 | if ( midi_config.console_dev != NULL ) { |
---|
| 858 | files[0] = midi_config.console_dev; |
---|
| 859 | } |
---|
| 860 | |
---|
[185] | 861 | for (i = 0; files[i] != NULL; i++) { |
---|
[1853] | 862 | if ( (g_midi_cb.console = open(files[i], O_WRONLY|O_NOCTTY, 0)) != -1 ) |
---|
[185] | 863 | break; |
---|
| 864 | } |
---|
| 865 | |
---|
[1853] | 866 | if ( g_midi_cb.console == -1 ) |
---|
[1843] | 867 | return -1; |
---|
| 868 | |
---|
[1853] | 869 | if ( (g_midi_cb.stream = streams_new()) == -1 ) { |
---|
[1843] | 870 | ROAR_WARN("Error while initializing MIDI subsystem component CB"); |
---|
| 871 | midi_cb_free(); |
---|
[187] | 872 | return -1; |
---|
| 873 | } |
---|
[1843] | 874 | |
---|
[2915] | 875 | client_stream_add(g_self_client, g_midi_clock.stream); |
---|
| 876 | |
---|
[1853] | 877 | midi_vio_set_dummy(g_midi_cb.stream); |
---|
[1848] | 878 | |
---|
[1853] | 879 | streams_get(g_midi_cb.stream, &ss); |
---|
[1843] | 880 | s = ROAR_STREAM(ss); |
---|
| 881 | |
---|
| 882 | memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info)); |
---|
| 883 | |
---|
| 884 | s->pos_rel_id = -1; |
---|
| 885 | |
---|
| 886 | s->info.codec = 0; |
---|
| 887 | ss->codec_orgi = 0; |
---|
| 888 | |
---|
| 889 | s->info.channels = 1; |
---|
| 890 | s->info.rate = 1193180; |
---|
| 891 | s->info.bits = 8; |
---|
| 892 | |
---|
[1853] | 893 | if ( streams_set_dir(g_midi_cb.stream, ROAR_DIR_BRIDGE, 1) == -1 ) { |
---|
[1843] | 894 | ROAR_WARN("Error while initializing MIDI subsystem component CB"); |
---|
| 895 | midi_cb_free(); |
---|
| 896 | return -1; |
---|
| 897 | } |
---|
| 898 | |
---|
[1853] | 899 | streams_set_name(g_midi_cb.stream, "Console speaker bridge"); |
---|
[1843] | 900 | |
---|
[1853] | 901 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_OUTPUT); |
---|
| 902 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_PRIMARY); |
---|
| 903 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_HWMIXER); |
---|
[1885] | 904 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_MUTE); |
---|
[1843] | 905 | |
---|
[1924] | 906 | midi_config.inited |= MIDI_INITED_CB; |
---|
| 907 | |
---|
[1843] | 908 | return 0; |
---|
[1485] | 909 | #else |
---|
[1853] | 910 | g_midi_cb.console = -1; |
---|
| 911 | g_midi_cb.stream = -1; |
---|
[1843] | 912 | |
---|
[1485] | 913 | return -1; |
---|
| 914 | #endif |
---|
[185] | 915 | } |
---|
| 916 | |
---|
[1843] | 917 | int midi_cb_free (void) { |
---|
[1751] | 918 | #ifdef _HAVE_CONSOLE |
---|
[1843] | 919 | |
---|
| 920 | midi_cb_stop(); |
---|
| 921 | |
---|
[1853] | 922 | if ( g_midi_cb.stream != -1 ) |
---|
| 923 | streams_delete(g_midi_cb.stream); |
---|
[1843] | 924 | |
---|
[1853] | 925 | if ( g_midi_cb.console != -1 ) |
---|
| 926 | close(g_midi_cb.console); |
---|
[1843] | 927 | |
---|
[185] | 928 | return 0; |
---|
[1485] | 929 | #else |
---|
| 930 | return -1; |
---|
| 931 | #endif |
---|
[185] | 932 | } |
---|
| 933 | |
---|
| 934 | int midi_cb_play(float t, float freq, int override) { |
---|
[191] | 935 | float samples_per_sec /* S/s */ = g_sa->rate * g_sa->channels; |
---|
| 936 | |
---|
[189] | 937 | /* |
---|
| 938 | #define MIDI_CB_NOOVERRIDE 0 |
---|
| 939 | #define MIDI_CB_OVERRIDE 1 |
---|
| 940 | */ |
---|
[1853] | 941 | if ( g_midi_cb.playing && override != MIDI_CB_OVERRIDE ) |
---|
[191] | 942 | return -1; |
---|
| 943 | |
---|
[1853] | 944 | g_midi_cb.stoptime = ROAR_MATH_OVERFLOW_ADD(g_pos, samples_per_sec*t); |
---|
[191] | 945 | midi_cb_start(freq); |
---|
| 946 | |
---|
| 947 | return 0; |
---|
[185] | 948 | } |
---|
| 949 | |
---|
[190] | 950 | int midi_cb_update (void) { |
---|
[1884] | 951 | |
---|
| 952 | if ( !streams_get_flag(g_midi_cb.stream, ROAR_FLAG_MUTE) ) { |
---|
| 953 | if ( midi_cb_readbuf() == -1 ) |
---|
| 954 | return -1; |
---|
| 955 | } else if ( g_midi_cb.playing ) { |
---|
| 956 | midi_cb_stop(); |
---|
| 957 | } |
---|
[1882] | 958 | |
---|
[1853] | 959 | if ( !g_midi_cb.playing ) |
---|
[192] | 960 | return 0; |
---|
| 961 | |
---|
[1884] | 962 | /* |
---|
[1853] | 963 | if ( g_midi_cb.stoptime <= g_pos ) |
---|
[189] | 964 | midi_cb_stop(); |
---|
[1884] | 965 | */ |
---|
[189] | 966 | |
---|
[1882] | 967 | ROAR_DBG("midi_cb_update(void) = ?"); |
---|
| 968 | |
---|
[189] | 969 | return 0; |
---|
| 970 | } |
---|
| 971 | |
---|
[185] | 972 | int midi_cb_start(float freq) { |
---|
| 973 | // On linux this uses ioctl KIOCSOUND |
---|
[188] | 974 | #ifdef __linux__ |
---|
[1853] | 975 | if ( g_midi_cb.console == -1 ) |
---|
[188] | 976 | return -1; |
---|
| 977 | |
---|
[1853] | 978 | if ( ioctl(g_midi_cb.console, KIOCSOUND, freq == 0 ? 0 : (int)(1193180.0/freq)) == -1 ) |
---|
[188] | 979 | return -1; |
---|
| 980 | |
---|
[1884] | 981 | g_midi_cb.playing = 1; |
---|
| 982 | |
---|
[188] | 983 | return 0; |
---|
| 984 | #else |
---|
[185] | 985 | return -1; |
---|
[188] | 986 | #endif |
---|
[185] | 987 | } |
---|
| 988 | |
---|
| 989 | int midi_cb_stop (void) { |
---|
| 990 | #ifdef __linux__ |
---|
[1884] | 991 | int ret; |
---|
| 992 | |
---|
| 993 | ret = midi_cb_start(0); |
---|
[1853] | 994 | g_midi_cb.playing = 0; |
---|
[1884] | 995 | |
---|
| 996 | return ret; |
---|
[185] | 997 | #else |
---|
| 998 | return -1; |
---|
| 999 | #endif |
---|
| 1000 | } |
---|
| 1001 | |
---|
[1882] | 1002 | int midi_cb_readbuf(void) { |
---|
| 1003 | struct roar_buffer * buf = g_midi_mess.buf; |
---|
| 1004 | struct midi_message * mes = NULL; |
---|
[4521] | 1005 | void * bufdata; |
---|
[1882] | 1006 | |
---|
| 1007 | ROAR_DBG("midi_cb_readbuf(void) = ?"); |
---|
| 1008 | |
---|
| 1009 | while (buf != NULL) { |
---|
| 1010 | ROAR_DBG("midi_cb_readbuf(void): buf=%p", buf); |
---|
| 1011 | |
---|
[4521] | 1012 | if ( roar_buffer_get_data(buf, &bufdata) == -1 ) { |
---|
[1882] | 1013 | return -1; |
---|
| 1014 | } |
---|
| 1015 | |
---|
[4521] | 1016 | mes = bufdata; |
---|
| 1017 | |
---|
[1882] | 1018 | switch (mes->type) { |
---|
| 1019 | case MIDI_TYPE_NOTE_ON: |
---|
| 1020 | midi_cb_start(mes->d.note.freq); |
---|
| 1021 | break; |
---|
| 1022 | case MIDI_TYPE_NOTE_OFF: |
---|
| 1023 | midi_cb_stop(); |
---|
| 1024 | break; |
---|
[1890] | 1025 | case MIDI_TYPE_CONTROLER: |
---|
[1894] | 1026 | if ( mes->kk == MIDI_CCE_ALL_NOTE_OFF ) /* all note off */ |
---|
[1890] | 1027 | midi_cb_stop(); |
---|
| 1028 | break; |
---|
[1882] | 1029 | } |
---|
| 1030 | |
---|
| 1031 | if ( roar_buffer_get_next(buf, &buf) == -1 ) |
---|
| 1032 | buf = NULL; |
---|
| 1033 | } |
---|
| 1034 | |
---|
| 1035 | return 0; |
---|
| 1036 | } |
---|
[2487] | 1037 | #endif |
---|
[1882] | 1038 | |
---|
[1848] | 1039 | // VIO: |
---|
| 1040 | |
---|
| 1041 | int midi_vio_set_dummy(int stream) { |
---|
| 1042 | struct roar_stream_server * ss; |
---|
| 1043 | |
---|
| 1044 | if ( streams_get(stream, &ss) == -1 ) |
---|
| 1045 | return -1; |
---|
| 1046 | |
---|
| 1047 | ss->vio.read = NULL; |
---|
| 1048 | ss->vio.write = NULL; |
---|
| 1049 | ss->vio.lseek = NULL; |
---|
[1849] | 1050 | ss->vio.nonblock = (int (*)(struct roar_vio_calls * vio, int state))midi_vio_ok; |
---|
| 1051 | ss->vio.sync = (int (*)(struct roar_vio_calls * vio))midi_vio_ok; |
---|
[1848] | 1052 | ss->vio.ctl = NULL; |
---|
[1849] | 1053 | ss->vio.close = (int (*)(struct roar_vio_calls * vio))midi_vio_ok; |
---|
| 1054 | |
---|
| 1055 | return 0; |
---|
[1848] | 1056 | } |
---|
| 1057 | |
---|
| 1058 | int midi_vio_ok(struct roar_vio_calls * vio, ...) { |
---|
| 1059 | return 0; |
---|
| 1060 | } |
---|
| 1061 | |
---|
[2500] | 1062 | #endif |
---|
| 1063 | |
---|
[169] | 1064 | //ll |
---|