[169] | 1 | //midi.c: |
---|
| 2 | |
---|
[668] | 3 | /* |
---|
[6052] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2015 |
---|
[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 | |
---|
[5194] | 30 | // declared 'extern' |
---|
| 31 | struct midi_config midi_config; |
---|
| 32 | struct midi_state_mess g_midi_mess; |
---|
[5208] | 33 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[5194] | 34 | struct midi_state_cb g_midi_cb; |
---|
[5208] | 35 | #endif |
---|
[5194] | 36 | struct midi_clock g_midi_clock; |
---|
| 37 | struct midi_mixer g_midi_mixer; |
---|
| 38 | // // |
---|
| 39 | |
---|
[1751] | 40 | #if defined(ROAR_HAVE_IO_POSIX) && !defined(ROAR_TARGET_WIN32) |
---|
| 41 | #define _HAVE_CONSOLE |
---|
| 42 | #endif |
---|
| 43 | |
---|
[1924] | 44 | int midi_init_config(void) { |
---|
| 45 | midi_config.init = 1; |
---|
| 46 | midi_config.inited = 0; |
---|
[2487] | 47 | |
---|
| 48 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[2445] | 49 | midi_config.init_cb = 0; |
---|
[1924] | 50 | midi_config.console_dev = NULL; |
---|
[2487] | 51 | #endif |
---|
[1924] | 52 | |
---|
| 53 | return 0; |
---|
| 54 | } |
---|
| 55 | |
---|
[185] | 56 | int midi_init (void) { |
---|
[2943] | 57 | struct roar_stream_server * ss; |
---|
[3558] | 58 | char cmap[16]; |
---|
[3215] | 59 | int i; |
---|
[1843] | 60 | |
---|
[1924] | 61 | midi_config.inited = 0; |
---|
[1843] | 62 | |
---|
[1924] | 63 | if ( midi_config.init ) { |
---|
[2487] | 64 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[1924] | 65 | if ( midi_config.init_cb ) { |
---|
| 66 | if ( midi_cb_init() == -1 ) { |
---|
| 67 | ROAR_WARN("Can not initialize MIDI subsystem component CB"); |
---|
| 68 | } |
---|
[3594] | 69 | } else { |
---|
| 70 | g_midi_cb.console = -1; |
---|
[1924] | 71 | } |
---|
[2487] | 72 | #endif |
---|
[1924] | 73 | |
---|
| 74 | if ( midi_clock_init() == -1 ) { |
---|
| 75 | ROAR_WARN("Can not initialize MIDI subsystem component clock"); |
---|
| 76 | } |
---|
| 77 | |
---|
[1848] | 78 | } |
---|
| 79 | |
---|
[1863] | 80 | g_midi_mess.buf = NULL; |
---|
| 81 | |
---|
[2943] | 82 | if ( (g_midi_mixer.stream = add_mixer(ROAR_SUBSYS_MIDI, _MIXER_NAME("MIDI"), &ss)) == -1 ) { |
---|
[2941] | 83 | ROAR_WARN("Can not create MIDI mixer"); |
---|
| 84 | } |
---|
[3547] | 85 | |
---|
[3558] | 86 | roardsp_chanlist_init(cmap, 16, ROARDSP_CHANLIST_MAP_MIDI); |
---|
| 87 | streams_set_map(g_midi_mixer.stream, cmap, 16); |
---|
[3547] | 88 | |
---|
[2943] | 89 | ss->state = ROAR_STREAMSTATE_OLD; |
---|
[2941] | 90 | |
---|
[3215] | 91 | for (i = 0; i < ROAR_STREAMS_MAX; i++) { |
---|
| 92 | if ( g_streams[i] != NULL ) { |
---|
| 93 | if ( streams_get_subsys(i) == ROAR_SUBSYS_MIDI ) { |
---|
| 94 | streams_set_mixer_stream(i, g_midi_mixer.stream); |
---|
| 95 | } |
---|
| 96 | } |
---|
| 97 | } |
---|
| 98 | |
---|
[1924] | 99 | midi_config.inited |= MIDI_INITED_MAIN; |
---|
| 100 | |
---|
[1843] | 101 | return 0; |
---|
| 102 | } |
---|
[1848] | 103 | |
---|
[1843] | 104 | int midi_free (void) { |
---|
[1924] | 105 | if ( midi_reinit() == -1 ) |
---|
| 106 | return -1; |
---|
| 107 | |
---|
[2487] | 108 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[1924] | 109 | if ( midi_cb_free() == -1 ) |
---|
| 110 | return -1; |
---|
[2487] | 111 | #endif |
---|
[1924] | 112 | |
---|
| 113 | return 0; |
---|
[1843] | 114 | } |
---|
| 115 | |
---|
| 116 | int midi_update(void) { |
---|
[1848] | 117 | |
---|
[1850] | 118 | if ( g_midi_clock.stream != -1 ) |
---|
| 119 | midi_check_bridge(g_midi_clock.stream); |
---|
[1848] | 120 | |
---|
[2489] | 121 | #ifndef ROAR_WITHOUT_DCOMP_SSYNTH |
---|
[2461] | 122 | midi_conv_mes2ssynth(); |
---|
[2489] | 123 | #endif |
---|
[2461] | 124 | |
---|
[2487] | 125 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[1843] | 126 | return midi_cb_update(); |
---|
[2487] | 127 | #else |
---|
| 128 | return 0; |
---|
| 129 | #endif |
---|
[1843] | 130 | } |
---|
| 131 | |
---|
[1855] | 132 | int midi_reinit(void) { |
---|
[1868] | 133 | |
---|
| 134 | if ( g_midi_mess.buf != NULL ) |
---|
| 135 | roar_buffer_free(g_midi_mess.buf); |
---|
| 136 | |
---|
| 137 | g_midi_mess.buf = NULL; |
---|
| 138 | |
---|
[1855] | 139 | return 0; |
---|
| 140 | } |
---|
| 141 | |
---|
[1845] | 142 | // STREAMS: |
---|
| 143 | |
---|
| 144 | int midi_check_stream (int id) { |
---|
[1846] | 145 | struct roar_stream * s; |
---|
| 146 | struct roar_stream_server * ss; |
---|
[1858] | 147 | struct roar_buffer * b; |
---|
[4521] | 148 | void * buf; |
---|
[1858] | 149 | ssize_t len; |
---|
[1846] | 150 | |
---|
| 151 | if ( g_streams[id] == NULL ) |
---|
| 152 | return -1; |
---|
| 153 | |
---|
| 154 | ROAR_DBG("midi_check_stream(id=%i) = ?", id); |
---|
| 155 | |
---|
| 156 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 157 | |
---|
[1848] | 158 | if ( s->dir == ROAR_DIR_BRIDGE ) |
---|
| 159 | return midi_check_bridge(id); |
---|
| 160 | |
---|
[1846] | 161 | switch (s->info.codec) { |
---|
[1858] | 162 | case ROAR_CODEC_MIDI: |
---|
| 163 | break; |
---|
| 164 | default: |
---|
| 165 | streams_delete(id); |
---|
| 166 | return -1; |
---|
| 167 | } |
---|
| 168 | |
---|
[4521] | 169 | if ( roar_buffer_new_data(&b, MIDI_READ_SIZE, &buf) == -1 ) { |
---|
[5162] | 170 | ROAR_ERR("midi_check_stream(id=%i): Can not alloc buffer space!", id); |
---|
| 171 | ROAR_DBG("midi_check_stream(id=%i) = -1", id); |
---|
[1858] | 172 | return -1; |
---|
| 173 | } |
---|
| 174 | |
---|
| 175 | if ( (len = stream_vio_s_read(ss, buf, MIDI_READ_SIZE)) < 1 ) { |
---|
| 176 | streams_delete(id); |
---|
[1862] | 177 | roar_buffer_free(b); |
---|
[1858] | 178 | return -1; |
---|
| 179 | } |
---|
| 180 | |
---|
[5162] | 181 | if ( roar_buffer_set_len(b, len) == -1 ) { |
---|
| 182 | ROAR_WARN("midi_check_stream(id=%i): Can not set buffer size. BAD.", id); |
---|
| 183 | roar_buffer_free(b); |
---|
| 184 | streams_delete(id); |
---|
| 185 | return -1; |
---|
| 186 | } |
---|
[1858] | 187 | |
---|
[5301] | 188 | if ( stream_add_buffer(id, &b) == -1 ) { |
---|
[1859] | 189 | roar_buffer_free(b); |
---|
| 190 | streams_delete(id); |
---|
| 191 | return -1; |
---|
| 192 | } |
---|
| 193 | |
---|
[1858] | 194 | switch (s->info.codec) { |
---|
| 195 | case ROAR_CODEC_MIDI: |
---|
| 196 | return midi_conv_midi2mes(id); |
---|
| 197 | break; |
---|
[1846] | 198 | default: |
---|
| 199 | streams_delete(id); |
---|
| 200 | return -1; |
---|
| 201 | } |
---|
| 202 | |
---|
[5053] | 203 | ROAR_DBG("midi_check_stream(id=%i) = 0", id); |
---|
[1846] | 204 | return 0; |
---|
[1845] | 205 | } |
---|
[1846] | 206 | |
---|
[1845] | 207 | int midi_send_stream (int id) { |
---|
[1846] | 208 | struct roar_stream * s; |
---|
| 209 | struct roar_stream_server * ss; |
---|
| 210 | |
---|
| 211 | if ( g_streams[id] == NULL ) |
---|
| 212 | return -1; |
---|
| 213 | |
---|
| 214 | ROAR_DBG("midi_send_stream(id=%i) = ?", id); |
---|
| 215 | |
---|
| 216 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 217 | |
---|
| 218 | switch (s->info.codec) { |
---|
[1877] | 219 | case ROAR_CODEC_MIDI: |
---|
| 220 | return midi_conv_mes2midi(id); |
---|
| 221 | break; |
---|
[1846] | 222 | default: |
---|
| 223 | streams_delete(id); |
---|
| 224 | return -1; |
---|
| 225 | } |
---|
| 226 | |
---|
| 227 | return 0; |
---|
[1845] | 228 | } |
---|
| 229 | |
---|
[5089] | 230 | #if 1 |
---|
| 231 | static int _cache_to_mes(struct midi_message * mes, unsigned char * data, size_t len, |
---|
| 232 | int id, struct roar_stream_server * ss) { |
---|
| 233 | unsigned char type = *data; |
---|
| 234 | |
---|
| 235 | ROAR_DBG("_cache_to_mes(*): type=0x%.2X", (unsigned int)type); |
---|
| 236 | |
---|
| 237 | if (type == MIDI_TYPE_CLOCK_TICK || type == MIDI_TYPE_CLOCK_START || type == MIDI_TYPE_CLOCK_STOP ) { |
---|
| 238 | if ( len != 1 ) |
---|
| 239 | return -1; |
---|
| 240 | |
---|
| 241 | mes->type = type; |
---|
| 242 | |
---|
| 243 | if ( type == MIDI_TYPE_CLOCK_TICK ) { |
---|
| 244 | // TODO: |
---|
| 245 | ROAR_STREAM(ss)->pos = ROAR_MATH_OVERFLOW_ADD(ROAR_STREAM(ss)->pos, 1); |
---|
| 246 | } |
---|
| 247 | } else { |
---|
| 248 | mes->type = type & 0xF0; |
---|
| 249 | mes->channel = type & 0x0F; |
---|
| 250 | |
---|
| 251 | switch (mes->type) { |
---|
| 252 | case MIDI_TYPE_NOTE_ON: |
---|
| 253 | case MIDI_TYPE_NOTE_OFF: |
---|
| 254 | if ( len != 3 ) |
---|
| 255 | return -1; |
---|
| 256 | roar_midi_note_from_midiid(&(mes->d.note), data[1]); |
---|
| 257 | |
---|
| 258 | // if velocity is zero we have a NOTE OFF event |
---|
| 259 | if ( data[2] == 0 ) |
---|
| 260 | mes->type = MIDI_TYPE_NOTE_OFF; |
---|
| 261 | case MIDI_TYPE_PA: |
---|
| 262 | case MIDI_TYPE_CONTROLER: |
---|
| 263 | mes->kk = data[1]; |
---|
| 264 | mes->vv = data[2]; |
---|
| 265 | break; |
---|
| 266 | case MIDI_TYPE_PROGRAM: |
---|
| 267 | case MIDI_TYPE_MA: |
---|
| 268 | if ( len != 2 ) |
---|
| 269 | return -1; |
---|
| 270 | mes->vv = data[1]; |
---|
| 271 | break; |
---|
| 272 | case MIDI_TYPE_PB: |
---|
| 273 | case MIDI_TYPE_SYSEX: |
---|
| 274 | ROAR_WARN("_cache_to_mes(id=%i): Message of Type 0x%.2X (PB or SysEx) not yet supported", id, (unsigned int)type); |
---|
| 275 | return -1; |
---|
| 276 | break; |
---|
| 277 | } |
---|
| 278 | } |
---|
| 279 | |
---|
| 280 | switch (mes->type) { |
---|
| 281 | case MIDI_TYPE_CONTROLER: |
---|
| 282 | switch (mes->kk) { |
---|
| 283 | case MIDI_CCE_MAIN_VOL: |
---|
[5210] | 284 | if ( (516U * (unsigned int)mes->vv) > 65100 ) { // max volume |
---|
[5089] | 285 | ss->mixer.mixer[mes->channel] = 65535; |
---|
| 286 | } else { |
---|
| 287 | ss->mixer.mixer[mes->channel] = 516 * mes->vv; |
---|
| 288 | } |
---|
| 289 | break; |
---|
| 290 | } |
---|
| 291 | break; |
---|
| 292 | } |
---|
| 293 | |
---|
| 294 | ROAR_DBG("_cache_to_mes(*) = 0"); |
---|
| 295 | return 0; |
---|
| 296 | } |
---|
| 297 | |
---|
| 298 | int midi_conv_midi2mes (int id) { |
---|
| 299 | struct roar_stream * s; |
---|
| 300 | struct roar_stream_server * ss; |
---|
| 301 | size_t have; |
---|
| 302 | void * bufdata; |
---|
| 303 | unsigned char * data; |
---|
| 304 | unsigned char cache[3]; |
---|
| 305 | size_t cachepos = 0; |
---|
| 306 | int sync = 1; |
---|
| 307 | struct roar_buffer * buf = NULL; |
---|
| 308 | struct midi_message * mes = NULL; |
---|
| 309 | |
---|
| 310 | if ( g_streams[id] == NULL ) |
---|
| 311 | return -1; |
---|
| 312 | |
---|
| 313 | ROAR_DBG("midi_conv_midi2mes(id=%i) = ?", id); |
---|
| 314 | |
---|
| 315 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 316 | |
---|
| 317 | while (ss->buffer != NULL) { |
---|
| 318 | if ( roar_buffer_get_len(ss->buffer, &have) == -1 ) |
---|
| 319 | return -1; |
---|
| 320 | if ( roar_buffer_get_data(ss->buffer, &bufdata) == -1 ) |
---|
| 321 | return -1; |
---|
| 322 | data = bufdata; |
---|
| 323 | |
---|
| 324 | while (have) { |
---|
| 325 | if ( !sync ) { |
---|
| 326 | if ( *data & 0x80 ) { |
---|
| 327 | cachepos = 0; |
---|
| 328 | sync = 1; |
---|
| 329 | } else { |
---|
| 330 | data++; |
---|
| 331 | have--; |
---|
| 332 | continue; |
---|
| 333 | } |
---|
| 334 | } |
---|
| 335 | |
---|
| 336 | if ( (*data & 0x80) && cachepos != 0 ) { |
---|
| 337 | // submit cache. |
---|
| 338 | |
---|
| 339 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
---|
| 340 | // this is bad. |
---|
| 341 | // TODO: handle better. |
---|
| 342 | return -1; |
---|
| 343 | } |
---|
| 344 | |
---|
| 345 | if ( _cache_to_mes(mes, cache, cachepos, id, ss) == -1 ) { |
---|
| 346 | ROAR_WARN("midi_conv_midi2mes(id=%i): Message can not be parsed.", id); |
---|
| 347 | roar_buffer_free(buf); |
---|
| 348 | } else { |
---|
[5305] | 349 | midi_add_buf(id, &buf); // FIXME: don't we need error handling here? |
---|
[5089] | 350 | } |
---|
| 351 | |
---|
| 352 | cachepos = 0; |
---|
| 353 | } else if ( cachepos == sizeof(cache) ) { |
---|
| 354 | // lost sync. |
---|
| 355 | sync = 0; |
---|
| 356 | continue; |
---|
| 357 | } |
---|
| 358 | |
---|
| 359 | ROAR_DBG("midi_conv_midi2mes(id=%i): cache[%u] = 0x%.2X", id, (unsigned int)cachepos, (unsigned int)*data); |
---|
| 360 | cache[cachepos++] = *data; |
---|
| 361 | data++; |
---|
| 362 | have--; |
---|
| 363 | } |
---|
| 364 | |
---|
[5162] | 365 | if ( roar_buffer_next(&(ss->buffer)) == -1 ) { |
---|
| 366 | ROAR_WARN("midi_conv_midi2mes(id=%i): Can not move to next buffer segment. BAD.", id); |
---|
| 367 | break; |
---|
| 368 | } |
---|
[5089] | 369 | } |
---|
| 370 | |
---|
| 371 | if ( cachepos ) { |
---|
| 372 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
---|
| 373 | // this is bad. |
---|
| 374 | // TODO: handle better. |
---|
| 375 | return -1; |
---|
| 376 | } |
---|
| 377 | |
---|
| 378 | if ( _cache_to_mes(mes, cache, cachepos, id, ss) == -1 ) { |
---|
| 379 | roar_buffer_free(buf); |
---|
| 380 | } else { |
---|
[5305] | 381 | midi_add_buf(id, &buf); // FIXME: don't we need error handling here? |
---|
[5089] | 382 | cachepos = 0; |
---|
| 383 | } |
---|
| 384 | } |
---|
| 385 | |
---|
| 386 | if ( cachepos ) { |
---|
| 387 | if ( roar_buffer_new_data(&buf, cachepos, &bufdata) == -1 ) |
---|
| 388 | return -1; |
---|
| 389 | |
---|
| 390 | memcpy(bufdata, cache, cachepos); |
---|
| 391 | |
---|
| 392 | ss->buffer = buf; |
---|
| 393 | } |
---|
| 394 | |
---|
| 395 | return 0; |
---|
| 396 | } |
---|
| 397 | #else |
---|
[1858] | 398 | int midi_conv_midi2mes (int id) { |
---|
[4521] | 399 | void * bufdata; |
---|
[1863] | 400 | unsigned char * data; |
---|
| 401 | struct roar_stream * s; |
---|
| 402 | struct roar_stream_server * ss; |
---|
| 403 | struct roar_buffer * buf = NULL; |
---|
| 404 | struct midi_message * mes = NULL; |
---|
[1879] | 405 | size_t need = 0, have = 0, last_have = 0, old_have = 0; |
---|
[1863] | 406 | int alive = 1; |
---|
| 407 | |
---|
| 408 | if ( g_streams[id] == NULL ) |
---|
| 409 | return -1; |
---|
| 410 | |
---|
| 411 | ROAR_DBG("midi_conv_midi2mes(id=%i) = ?", id); |
---|
| 412 | |
---|
| 413 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 414 | |
---|
| 415 | while (ss->buffer != NULL && alive) { |
---|
[5053] | 416 | ROAR_DBG("midi_conv_midi2mes(id=%i): ss->buffer=%p, alive=%i", id, ss->buffer, alive); |
---|
| 417 | |
---|
[4521] | 418 | if ( roar_buffer_get_data(ss->buffer, &bufdata) == -1 ) { |
---|
[1863] | 419 | alive = 0; |
---|
| 420 | continue; |
---|
| 421 | } |
---|
| 422 | |
---|
[4521] | 423 | data = bufdata; |
---|
| 424 | |
---|
[1863] | 425 | if ( roar_buffer_get_len(ss->buffer, &have) == -1 ) { |
---|
| 426 | alive = 0; |
---|
| 427 | continue; |
---|
| 428 | } |
---|
[1879] | 429 | old_have = have; |
---|
[1863] | 430 | |
---|
| 431 | while (have && alive) { |
---|
[5053] | 432 | ROAR_DBG("midi_conv_midi2mes(id=%i): have=%llu, alive=%i", id, (long long unsigned int)have, alive); |
---|
| 433 | |
---|
[1863] | 434 | if ( *data & 0x80 ) { |
---|
[1865] | 435 | if ( buf != NULL ) { |
---|
[1866] | 436 | midi_add_buf(id, buf); |
---|
[1865] | 437 | buf = NULL; |
---|
| 438 | } |
---|
| 439 | |
---|
[1879] | 440 | last_have = have; |
---|
| 441 | |
---|
[1863] | 442 | need = 0; |
---|
| 443 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
---|
| 444 | alive = 0; |
---|
| 445 | continue; |
---|
| 446 | } |
---|
[1865] | 447 | |
---|
| 448 | if (*data == MIDI_TYPE_CLOCK_TICK || *data == MIDI_TYPE_CLOCK_START || *data == MIDI_TYPE_CLOCK_STOP ) { |
---|
| 449 | mes->type = *data; |
---|
[1891] | 450 | |
---|
| 451 | if ( *data == MIDI_TYPE_CLOCK_TICK ) { |
---|
| 452 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, 1); |
---|
| 453 | } |
---|
[1865] | 454 | } else { |
---|
| 455 | mes->type = *data & 0xF0; |
---|
| 456 | mes->channel = *data & 0x0F; |
---|
| 457 | switch (*data & 0xF0) { |
---|
| 458 | case MIDI_TYPE_NOTE_ON: |
---|
| 459 | case MIDI_TYPE_NOTE_OFF: |
---|
| 460 | need = 2; |
---|
| 461 | break; |
---|
| 462 | case MIDI_TYPE_PA: |
---|
| 463 | need = 2; |
---|
| 464 | break; |
---|
| 465 | case MIDI_TYPE_CONTROLER: |
---|
| 466 | need = 2; |
---|
| 467 | break; |
---|
| 468 | case MIDI_TYPE_PROGRAM: |
---|
| 469 | need = 1; |
---|
| 470 | break; |
---|
| 471 | case MIDI_TYPE_MA: |
---|
| 472 | need = 1; |
---|
| 473 | break; |
---|
| 474 | case MIDI_TYPE_PB: |
---|
| 475 | case MIDI_TYPE_SYSEX: |
---|
| 476 | need = 1; |
---|
| 477 | break; |
---|
| 478 | } |
---|
| 479 | } |
---|
| 480 | |
---|
[1863] | 481 | } else { |
---|
[1871] | 482 | |
---|
| 483 | if ( mes == NULL ) { |
---|
| 484 | ROAR_WARN("midi_conv_midi2mes(id=%i): Lost sync.", id); |
---|
| 485 | data++; |
---|
| 486 | have--; |
---|
| 487 | continue; |
---|
| 488 | } |
---|
| 489 | |
---|
| 490 | switch (mes->type) { |
---|
[1873] | 491 | case MIDI_TYPE_NOTE_ON: |
---|
| 492 | case MIDI_TYPE_NOTE_OFF: |
---|
[1881] | 493 | if ( need == 2 ) { |
---|
| 494 | roar_midi_note_from_midiid(&(mes->d.note), *data); |
---|
[2409] | 495 | |
---|
| 496 | // if velocity is zero we have a NOTE OFF event |
---|
| 497 | if ( data[1] == 0 ) |
---|
| 498 | mes->type = MIDI_TYPE_NOTE_OFF; |
---|
[1881] | 499 | } |
---|
[1874] | 500 | case MIDI_TYPE_PA: |
---|
| 501 | case MIDI_TYPE_CONTROLER: |
---|
[1873] | 502 | if ( need == 2 ) { |
---|
| 503 | mes->kk = *data; |
---|
| 504 | } else { |
---|
| 505 | mes->vv = *data; |
---|
| 506 | } |
---|
| 507 | break; |
---|
| 508 | case MIDI_TYPE_PROGRAM: |
---|
| 509 | case MIDI_TYPE_MA: |
---|
[1874] | 510 | mes->vv = *data; |
---|
| 511 | break; |
---|
[1873] | 512 | case MIDI_TYPE_PB: |
---|
| 513 | case MIDI_TYPE_SYSEX: |
---|
[1874] | 514 | ROAR_WARN("midi_conv_midi2mes(id=%i): Message of Type 0x%.2X (PB or SysEx) not yet supported", id, mes->type); |
---|
[1873] | 515 | break; |
---|
[1871] | 516 | } |
---|
| 517 | |
---|
[1863] | 518 | if ( need ) |
---|
| 519 | need--; |
---|
[1893] | 520 | |
---|
| 521 | if ( !need ) { |
---|
| 522 | switch (mes->type) { |
---|
| 523 | case MIDI_TYPE_CONTROLER: |
---|
| 524 | switch (mes->kk) { |
---|
| 525 | case MIDI_CCE_MAIN_VOL: |
---|
| 526 | if ( 516 * mes->vv > 65100 ) { // max volume |
---|
| 527 | ss->mixer.mixer[mes->channel] = 65535; |
---|
| 528 | } else { |
---|
| 529 | ss->mixer.mixer[mes->channel] = 516 * mes->vv; |
---|
| 530 | } |
---|
| 531 | break; |
---|
| 532 | } |
---|
| 533 | break; |
---|
| 534 | } |
---|
| 535 | } |
---|
| 536 | |
---|
[1863] | 537 | } |
---|
| 538 | data++; |
---|
| 539 | have--; |
---|
| 540 | } |
---|
| 541 | |
---|
[1865] | 542 | if ( need ) { |
---|
[5053] | 543 | ROAR_DBG("midi_conv_midi2mes(id=%i) = ?", id); |
---|
[1879] | 544 | if ( roar_buffer_set_offset(ss->buffer, old_have - last_have) == -1 ) { |
---|
| 545 | ROAR_ERR("midi_conv_midi2mes(*): FIXME: BUG!!! Need to restore buffer here with corrected length"); |
---|
| 546 | } |
---|
[1865] | 547 | } else if ( !have ) { |
---|
[1863] | 548 | roar_buffer_next(&(ss->buffer)); |
---|
| 549 | } |
---|
| 550 | |
---|
| 551 | if ( need && buf != NULL ) { |
---|
| 552 | roar_buffer_free(buf); |
---|
| 553 | buf = NULL; |
---|
| 554 | } else if ( buf != NULL ) { |
---|
[1866] | 555 | midi_add_buf(id, buf); |
---|
[1863] | 556 | buf = NULL; |
---|
| 557 | } |
---|
| 558 | } |
---|
| 559 | |
---|
| 560 | return 0; |
---|
[1858] | 561 | } |
---|
[5089] | 562 | #endif |
---|
[1858] | 563 | |
---|
[1877] | 564 | #define _nb len++; *(d++) |
---|
[1858] | 565 | int midi_conv_mes2midi (int id) { |
---|
[1877] | 566 | struct roar_stream * s; |
---|
| 567 | struct roar_stream_server * ss; |
---|
| 568 | struct roar_buffer * buf = g_midi_mess.buf; |
---|
| 569 | struct midi_message * mes = NULL; |
---|
[4521] | 570 | void * bufdata; |
---|
[1877] | 571 | unsigned char data[3]; |
---|
| 572 | unsigned char * d; |
---|
| 573 | int len; |
---|
[1909] | 574 | int send_clock; |
---|
[1877] | 575 | |
---|
| 576 | if ( g_streams[id] == NULL ) |
---|
| 577 | return -1; |
---|
| 578 | |
---|
| 579 | ROAR_DBG("midi_conv_mes2midi(id=%i) = ?", id); |
---|
| 580 | |
---|
| 581 | s = ROAR_STREAM(ss = g_streams[id]); |
---|
| 582 | |
---|
[1909] | 583 | send_clock = streams_get_flag(id, ROAR_FLAG_SYNC); |
---|
| 584 | |
---|
[5348] | 585 | if ( roar_buffer_ref(buf) == -1 ) |
---|
| 586 | return -1; |
---|
| 587 | |
---|
[5302] | 588 | roar_buffer_foreach(buf) { |
---|
[4521] | 589 | if ( roar_buffer_get_data(buf, &bufdata) == -1 ) { |
---|
[1877] | 590 | return -1; |
---|
| 591 | } |
---|
| 592 | |
---|
[4521] | 593 | mes = bufdata; |
---|
| 594 | |
---|
[1877] | 595 | if (mes->type == MIDI_TYPE_CLOCK_TICK || mes->type == MIDI_TYPE_CLOCK_START || mes->type == MIDI_TYPE_CLOCK_STOP ) { |
---|
[1910] | 596 | if ( send_clock ) { |
---|
[1909] | 597 | if ( stream_vio_s_write(ss, &(mes->type), 1) != 1 ) { |
---|
| 598 | streams_delete(id); |
---|
| 599 | return -1; |
---|
| 600 | } |
---|
[1877] | 601 | } |
---|
[1896] | 602 | |
---|
| 603 | if ( mes->type == MIDI_TYPE_CLOCK_TICK ) { |
---|
| 604 | s->pos = ROAR_MATH_OVERFLOW_ADD(s->pos, 1); |
---|
| 605 | } |
---|
[1877] | 606 | } else { |
---|
| 607 | len = 0; |
---|
| 608 | d = data; |
---|
| 609 | |
---|
| 610 | _nb = (mes->type & 0xF0) | (mes->channel & 0x0F); |
---|
| 611 | |
---|
| 612 | switch (mes->type) { |
---|
[1898] | 613 | case MIDI_TYPE_CONTROLER: |
---|
| 614 | switch (mes->kk) { |
---|
| 615 | case MIDI_CCE_MAIN_VOL: |
---|
[5210] | 616 | if ( 516U * (unsigned int)mes->vv > 65100 ) { // max volume |
---|
[1898] | 617 | ss->mixer.mixer[mes->channel] = 65535; |
---|
| 618 | } else { |
---|
| 619 | ss->mixer.mixer[mes->channel] = 516 * mes->vv; |
---|
| 620 | } |
---|
| 621 | break; |
---|
| 622 | } |
---|
[1877] | 623 | case MIDI_TYPE_NOTE_ON: |
---|
| 624 | case MIDI_TYPE_NOTE_OFF: |
---|
| 625 | case MIDI_TYPE_PA: |
---|
| 626 | _nb = mes->kk; |
---|
| 627 | _nb = mes->vv; |
---|
| 628 | break; |
---|
| 629 | case MIDI_TYPE_PROGRAM: |
---|
| 630 | case MIDI_TYPE_MA: |
---|
| 631 | _nb = mes->vv; |
---|
| 632 | break; |
---|
| 633 | case MIDI_TYPE_PB: |
---|
| 634 | case MIDI_TYPE_SYSEX: |
---|
| 635 | break; |
---|
| 636 | } |
---|
| 637 | |
---|
| 638 | if ( stream_vio_s_write(ss, data, len) != len ) { |
---|
| 639 | streams_delete(id); |
---|
| 640 | return -1; |
---|
| 641 | } |
---|
| 642 | } |
---|
| 643 | } |
---|
| 644 | |
---|
| 645 | return 0; |
---|
[1858] | 646 | } |
---|
[1877] | 647 | #undef _nb |
---|
[1858] | 648 | |
---|
[2489] | 649 | #ifndef ROAR_WITHOUT_DCOMP_SSYNTH |
---|
[2461] | 650 | int midi_conv_mes2ssynth(void) { |
---|
[2462] | 651 | struct roar_buffer * buf = g_midi_mess.buf; |
---|
| 652 | struct midi_message * mes = NULL; |
---|
[4521] | 653 | void * bufdata; |
---|
[2462] | 654 | |
---|
[5348] | 655 | if ( roar_buffer_ref(g_midi_mess.buf) == -1 ) |
---|
| 656 | return -1; |
---|
| 657 | |
---|
[5302] | 658 | roar_buffer_foreach(buf) { |
---|
[4521] | 659 | if ( roar_buffer_get_data(buf, &bufdata) == -1 ) { |
---|
[2462] | 660 | return -1; |
---|
| 661 | } |
---|
| 662 | |
---|
[4521] | 663 | mes = bufdata; |
---|
| 664 | |
---|
[2462] | 665 | if ( ssynth_eval_message(mes) == -1 ) |
---|
| 666 | return -1; |
---|
| 667 | } |
---|
| 668 | |
---|
| 669 | return 0; |
---|
[2461] | 670 | } |
---|
[2489] | 671 | #endif |
---|
[2461] | 672 | |
---|
[1863] | 673 | int midi_new_bufmes (struct roar_buffer ** buf, struct midi_message ** mes) { |
---|
| 674 | if ( buf == NULL || mes == NULL ) |
---|
| 675 | return -1; |
---|
| 676 | |
---|
[1867] | 677 | *buf = (void*)(*mes = NULL); |
---|
[1863] | 678 | |
---|
[3764] | 679 | if ( roar_buffer_new_data(buf, sizeof(struct midi_message), (void**)mes) == -1 ) { |
---|
[1867] | 680 | *buf = (void*)(*mes = NULL); |
---|
[1863] | 681 | return -1; |
---|
| 682 | } |
---|
| 683 | |
---|
| 684 | memset((void*)*mes, 0, sizeof(struct midi_message)); |
---|
| 685 | |
---|
| 686 | (*mes)->type = MIDI_TYPE_NONE; |
---|
| 687 | |
---|
| 688 | return 0; |
---|
| 689 | } |
---|
| 690 | |
---|
[5305] | 691 | int midi_add_buf (int id, struct roar_buffer ** buf) { |
---|
[5162] | 692 | #ifdef DEBUG |
---|
[1869] | 693 | struct midi_message * mes; |
---|
[4521] | 694 | void * bufdata; |
---|
[5162] | 695 | #endif |
---|
[1869] | 696 | |
---|
[5305] | 697 | if ( id == -1 || buf == NULL || *buf == NULL ) |
---|
[1866] | 698 | return -1; |
---|
| 699 | |
---|
[5162] | 700 | #ifdef DEBUG |
---|
[5305] | 701 | if ( roar_buffer_get_data(*buf, &bufdata) == -1 ) |
---|
[1869] | 702 | return -1; |
---|
| 703 | |
---|
[4521] | 704 | mes = bufdata; |
---|
| 705 | |
---|
[1878] | 706 | ROAR_DBG("midi_add_buf(id=%i, buf=%p) = ?", id, buf); |
---|
| 707 | ROAR_DBG("midi_add_buf(*): MIDI Message of Type 0x%.2X", mes->type); |
---|
| 708 | ROAR_DBG("midi_add_buf(*): Channel: %i", mes->channel); |
---|
| 709 | ROAR_DBG("midi_add_buf(*): flags=0x%.2X", mes->flags); |
---|
| 710 | ROAR_DBG("midi_add_buf(*): kk=0x%.2X, vv=0x%.2X", mes->kk, mes->vv); |
---|
[5162] | 711 | #endif |
---|
[1869] | 712 | |
---|
[1866] | 713 | if ( g_midi_mess.buf == NULL ) { |
---|
[5305] | 714 | g_midi_mess.buf = *buf; |
---|
[1866] | 715 | } else { |
---|
[5305] | 716 | if ( roar_buffer_moveinto(g_midi_mess.buf, buf) == -1 ) { |
---|
[5162] | 717 | ROAR_DBG("midi_add_buf(*) = -1"); |
---|
| 718 | return -1; |
---|
| 719 | } |
---|
[1866] | 720 | } |
---|
| 721 | |
---|
[5053] | 722 | ROAR_DBG("midi_add_buf(*) = 0"); |
---|
[1866] | 723 | return 0; |
---|
| 724 | } |
---|
| 725 | |
---|
[1848] | 726 | // bridges: |
---|
| 727 | int midi_check_bridge (int id) { |
---|
[1851] | 728 | |
---|
[1860] | 729 | ROAR_DBG("midi_check_bridge(id=%i) = ?", id); |
---|
[1851] | 730 | |
---|
| 731 | if ( id == g_midi_clock.stream ) { |
---|
| 732 | midi_clock_tick(); |
---|
| 733 | |
---|
| 734 | return 0; |
---|
| 735 | } |
---|
| 736 | |
---|
[1848] | 737 | return -1; |
---|
| 738 | } |
---|
| 739 | |
---|
| 740 | // clock: |
---|
| 741 | |
---|
| 742 | int midi_clock_init (void) { |
---|
| 743 | struct roar_stream * s; |
---|
| 744 | struct roar_stream_server * ss; |
---|
| 745 | |
---|
[1850] | 746 | if ( (g_midi_clock.stream = streams_new()) == -1 ) { |
---|
[1848] | 747 | ROAR_WARN("Error while initializing MIDI subsystem component clock"); |
---|
| 748 | return -1; |
---|
| 749 | } |
---|
| 750 | |
---|
[2915] | 751 | client_stream_add(g_self_client, g_midi_clock.stream); |
---|
| 752 | |
---|
[1850] | 753 | midi_vio_set_dummy(g_midi_clock.stream); |
---|
[1848] | 754 | |
---|
[1850] | 755 | streams_get(g_midi_clock.stream, &ss); |
---|
[1848] | 756 | s = ROAR_STREAM(ss); |
---|
| 757 | |
---|
| 758 | memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info)); |
---|
| 759 | |
---|
[1850] | 760 | s->pos_rel_id = g_midi_clock.stream; |
---|
[1848] | 761 | |
---|
| 762 | s->info.codec = ROAR_CODEC_MIDI; |
---|
| 763 | ss->codec_orgi = ROAR_CODEC_MIDI; |
---|
| 764 | |
---|
[2401] | 765 | s->info.channels = 1; // we have only one channel, ticking on channel 0 |
---|
[2400] | 766 | s->info.rate = ROAR_MIDI_TICKS_PER_BEAT; // one beat per sec |
---|
| 767 | s->info.bits = ROAR_MIDI_BITS; |
---|
[1848] | 768 | |
---|
[1850] | 769 | if ( streams_set_dir(g_midi_clock.stream, ROAR_DIR_BRIDGE, 1) == -1 ) { |
---|
[1848] | 770 | ROAR_WARN("Error while initializing MIDI subsystem component clock"); |
---|
| 771 | return -1; |
---|
| 772 | } |
---|
| 773 | |
---|
[1850] | 774 | streams_set_name(g_midi_clock.stream, "MIDI Clock"); |
---|
[1848] | 775 | |
---|
[1850] | 776 | streams_set_flag(g_midi_clock.stream, ROAR_FLAG_PRIMARY); |
---|
| 777 | streams_set_flag(g_midi_clock.stream, ROAR_FLAG_SYNC); |
---|
[1848] | 778 | |
---|
[2400] | 779 | midi_clock_set_bph(3600); // one beat per sec |
---|
[1851] | 780 | |
---|
[2943] | 781 | ss->state = ROAR_STREAMSTATE_NEW; |
---|
| 782 | |
---|
[1924] | 783 | midi_config.inited |= MIDI_INITED_CLOCK; |
---|
| 784 | |
---|
[1851] | 785 | return 0; |
---|
| 786 | } |
---|
| 787 | |
---|
| 788 | int midi_clock_set_bph (uint_least32_t bph) { |
---|
| 789 | uint_least32_t sph = g_sa->rate/2 * 75 * g_sa->channels; // samples per houre |
---|
| 790 | |
---|
| 791 | g_midi_clock.bph = bph; |
---|
| 792 | |
---|
| 793 | g_midi_clock.spt = sph/bph; |
---|
| 794 | |
---|
| 795 | g_midi_clock.nt = ROAR_MATH_OVERFLOW_ADD(g_pos, g_midi_clock.spt); |
---|
| 796 | |
---|
| 797 | return 0; |
---|
| 798 | } |
---|
| 799 | |
---|
| 800 | int midi_clock_tick (void) { |
---|
[1875] | 801 | struct roar_buffer * buf; |
---|
| 802 | struct midi_message * mes; |
---|
[1888] | 803 | struct roar_stream_server * ss; |
---|
[5416] | 804 | #ifdef DEBUG |
---|
[1851] | 805 | unsigned int diff; |
---|
[5416] | 806 | #endif |
---|
[1851] | 807 | |
---|
[1888] | 808 | if ( streams_get(g_midi_clock.stream, &ss) == -1 ) { |
---|
| 809 | ROAR_ERR("midi_clock_tick(void): Something very BAD happend: can not get stream object of my own stream!"); |
---|
| 810 | g_midi_clock.stream = -1; |
---|
| 811 | ROAR_WARN("midi_clock_tick(void): Disabled MIDI Clock"); |
---|
| 812 | return -1; |
---|
| 813 | } |
---|
| 814 | |
---|
[5417] | 815 | // the strange expr at the end is to avoid warp around bugs. |
---|
| 816 | while ( g_pos >= g_midi_clock.nt && !(g_pos > (uint32_t)4294900000LU && g_midi_clock.nt < (uint32_t)1000LU) ) { |
---|
[5416] | 817 | #ifdef DEBUG |
---|
[1851] | 818 | diff = g_pos - g_midi_clock.nt; |
---|
[1911] | 819 | ROAR_DBG("midi_clock_tick(void): g_pos is %u samples (%5.2f%%) after of nt.", diff, (float)diff/g_midi_clock.spt); |
---|
[5416] | 820 | #endif |
---|
[1851] | 821 | |
---|
| 822 | g_midi_clock.nt = ROAR_MATH_OVERFLOW_ADD(g_midi_clock.nt, g_midi_clock.spt); |
---|
| 823 | |
---|
| 824 | if ( streams_get_flag(g_midi_clock.stream, ROAR_FLAG_SYNC) ) { |
---|
[5651] | 825 | ROAR_DBG("midi_clock_tick(void): TICK! (nt=%lu)", (unsigned long int)g_midi_clock.nt); |
---|
[1875] | 826 | if ( midi_new_bufmes(&buf, &mes) == -1 ) { |
---|
| 827 | ROAR_ERR("midi_clock_tick(void): Can not create Clock-Tick-Message"); |
---|
| 828 | } |
---|
| 829 | |
---|
| 830 | mes->type = MIDI_TYPE_CLOCK_TICK; |
---|
| 831 | |
---|
[5305] | 832 | if ( midi_add_buf(g_midi_clock.stream, &buf) == -1 ) { |
---|
[1875] | 833 | ROAR_ERR("midi_clock_tick(void): Can not add Clock-Tick-Message"); |
---|
| 834 | roar_buffer_free(buf); |
---|
| 835 | return -1; |
---|
| 836 | } |
---|
[1888] | 837 | |
---|
| 838 | ROAR_STREAM(ss)->pos = ROAR_MATH_OVERFLOW_ADD(ROAR_STREAM(ss)->pos, 1); |
---|
[2943] | 839 | ss->state = ROAR_STREAMSTATE_OLD; |
---|
[1851] | 840 | } else { |
---|
[5651] | 841 | ROAR_DBG("midi_clock_tick(void): silent tick. (nt=%lu)", (unsigned long int)g_midi_clock.nt); |
---|
[1851] | 842 | } |
---|
| 843 | } |
---|
| 844 | |
---|
[1848] | 845 | return 0; |
---|
| 846 | } |
---|
| 847 | |
---|
[1845] | 848 | // CB: |
---|
[1843] | 849 | |
---|
[2487] | 850 | #ifndef ROAR_WITHOUT_DCOMP_CB |
---|
[1843] | 851 | int midi_cb_init (void) { |
---|
[1751] | 852 | #ifdef _HAVE_CONSOLE |
---|
[1843] | 853 | struct roar_stream * s; |
---|
| 854 | struct roar_stream_server * ss; |
---|
[185] | 855 | int i; |
---|
| 856 | char * files[] = { |
---|
[1924] | 857 | "/NX", |
---|
| 858 | "/dev/roarconsole", |
---|
[185] | 859 | "/dev/console", |
---|
| 860 | #ifdef __linux__ |
---|
| 861 | "/dev/tty0", |
---|
| 862 | "/dev/vc/0", |
---|
| 863 | #endif |
---|
| 864 | NULL |
---|
| 865 | }; |
---|
| 866 | |
---|
[1853] | 867 | g_midi_cb.console = -1; |
---|
| 868 | g_midi_cb.stream = -1; |
---|
| 869 | g_midi_cb.stoptime = 0; |
---|
| 870 | g_midi_cb.playing = 0; |
---|
[185] | 871 | |
---|
[1924] | 872 | if ( midi_config.console_dev != NULL ) { |
---|
| 873 | files[0] = midi_config.console_dev; |
---|
| 874 | } |
---|
| 875 | |
---|
[185] | 876 | for (i = 0; files[i] != NULL; i++) { |
---|
[1853] | 877 | if ( (g_midi_cb.console = open(files[i], O_WRONLY|O_NOCTTY, 0)) != -1 ) |
---|
[185] | 878 | break; |
---|
| 879 | } |
---|
| 880 | |
---|
[1853] | 881 | if ( g_midi_cb.console == -1 ) |
---|
[1843] | 882 | return -1; |
---|
| 883 | |
---|
[1853] | 884 | if ( (g_midi_cb.stream = streams_new()) == -1 ) { |
---|
[1843] | 885 | ROAR_WARN("Error while initializing MIDI subsystem component CB"); |
---|
| 886 | midi_cb_free(); |
---|
[187] | 887 | return -1; |
---|
| 888 | } |
---|
[1843] | 889 | |
---|
[2915] | 890 | client_stream_add(g_self_client, g_midi_clock.stream); |
---|
| 891 | |
---|
[1853] | 892 | midi_vio_set_dummy(g_midi_cb.stream); |
---|
[1848] | 893 | |
---|
[1853] | 894 | streams_get(g_midi_cb.stream, &ss); |
---|
[1843] | 895 | s = ROAR_STREAM(ss); |
---|
| 896 | |
---|
| 897 | memcpy(&(s->info), g_sa, sizeof(struct roar_audio_info)); |
---|
| 898 | |
---|
| 899 | s->pos_rel_id = -1; |
---|
| 900 | |
---|
| 901 | s->info.codec = 0; |
---|
| 902 | ss->codec_orgi = 0; |
---|
| 903 | |
---|
| 904 | s->info.channels = 1; |
---|
| 905 | s->info.rate = 1193180; |
---|
| 906 | s->info.bits = 8; |
---|
| 907 | |
---|
[1853] | 908 | if ( streams_set_dir(g_midi_cb.stream, ROAR_DIR_BRIDGE, 1) == -1 ) { |
---|
[1843] | 909 | ROAR_WARN("Error while initializing MIDI subsystem component CB"); |
---|
| 910 | midi_cb_free(); |
---|
| 911 | return -1; |
---|
| 912 | } |
---|
| 913 | |
---|
[1853] | 914 | streams_set_name(g_midi_cb.stream, "Console speaker bridge"); |
---|
[1843] | 915 | |
---|
[1853] | 916 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_OUTPUT); |
---|
| 917 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_PRIMARY); |
---|
| 918 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_HWMIXER); |
---|
[1885] | 919 | streams_set_flag(g_midi_cb.stream, ROAR_FLAG_MUTE); |
---|
[1843] | 920 | |
---|
[1924] | 921 | midi_config.inited |= MIDI_INITED_CB; |
---|
| 922 | |
---|
[1843] | 923 | return 0; |
---|
[1485] | 924 | #else |
---|
[1853] | 925 | g_midi_cb.console = -1; |
---|
| 926 | g_midi_cb.stream = -1; |
---|
[1843] | 927 | |
---|
[1485] | 928 | return -1; |
---|
| 929 | #endif |
---|
[185] | 930 | } |
---|
| 931 | |
---|
[1843] | 932 | int midi_cb_free (void) { |
---|
[1751] | 933 | #ifdef _HAVE_CONSOLE |
---|
[1843] | 934 | |
---|
| 935 | midi_cb_stop(); |
---|
| 936 | |
---|
[1853] | 937 | if ( g_midi_cb.stream != -1 ) |
---|
| 938 | streams_delete(g_midi_cb.stream); |
---|
[1843] | 939 | |
---|
[1853] | 940 | if ( g_midi_cb.console != -1 ) |
---|
| 941 | close(g_midi_cb.console); |
---|
[1843] | 942 | |
---|
[185] | 943 | return 0; |
---|
[1485] | 944 | #else |
---|
| 945 | return -1; |
---|
| 946 | #endif |
---|
[185] | 947 | } |
---|
| 948 | |
---|
| 949 | int midi_cb_play(float t, float freq, int override) { |
---|
[191] | 950 | float samples_per_sec /* S/s */ = g_sa->rate * g_sa->channels; |
---|
| 951 | |
---|
[189] | 952 | /* |
---|
| 953 | #define MIDI_CB_NOOVERRIDE 0 |
---|
| 954 | #define MIDI_CB_OVERRIDE 1 |
---|
| 955 | */ |
---|
[1853] | 956 | if ( g_midi_cb.playing && override != MIDI_CB_OVERRIDE ) |
---|
[191] | 957 | return -1; |
---|
| 958 | |
---|
[1853] | 959 | g_midi_cb.stoptime = ROAR_MATH_OVERFLOW_ADD(g_pos, samples_per_sec*t); |
---|
[191] | 960 | midi_cb_start(freq); |
---|
| 961 | |
---|
| 962 | return 0; |
---|
[185] | 963 | } |
---|
| 964 | |
---|
[190] | 965 | int midi_cb_update (void) { |
---|
[1884] | 966 | |
---|
| 967 | if ( !streams_get_flag(g_midi_cb.stream, ROAR_FLAG_MUTE) ) { |
---|
| 968 | if ( midi_cb_readbuf() == -1 ) |
---|
| 969 | return -1; |
---|
| 970 | } else if ( g_midi_cb.playing ) { |
---|
| 971 | midi_cb_stop(); |
---|
| 972 | } |
---|
[1882] | 973 | |
---|
[1853] | 974 | if ( !g_midi_cb.playing ) |
---|
[192] | 975 | return 0; |
---|
| 976 | |
---|
[1884] | 977 | /* |
---|
[1853] | 978 | if ( g_midi_cb.stoptime <= g_pos ) |
---|
[189] | 979 | midi_cb_stop(); |
---|
[1884] | 980 | */ |
---|
[189] | 981 | |
---|
[1882] | 982 | ROAR_DBG("midi_cb_update(void) = ?"); |
---|
| 983 | |
---|
[189] | 984 | return 0; |
---|
| 985 | } |
---|
| 986 | |
---|
[185] | 987 | int midi_cb_start(float freq) { |
---|
| 988 | // On linux this uses ioctl KIOCSOUND |
---|
[188] | 989 | #ifdef __linux__ |
---|
[1853] | 990 | if ( g_midi_cb.console == -1 ) |
---|
[188] | 991 | return -1; |
---|
| 992 | |
---|
[1853] | 993 | if ( ioctl(g_midi_cb.console, KIOCSOUND, freq == 0 ? 0 : (int)(1193180.0/freq)) == -1 ) |
---|
[188] | 994 | return -1; |
---|
| 995 | |
---|
[1884] | 996 | g_midi_cb.playing = 1; |
---|
| 997 | |
---|
[188] | 998 | return 0; |
---|
| 999 | #else |
---|
[185] | 1000 | return -1; |
---|
[188] | 1001 | #endif |
---|
[185] | 1002 | } |
---|
| 1003 | |
---|
| 1004 | int midi_cb_stop (void) { |
---|
| 1005 | #ifdef __linux__ |
---|
[1884] | 1006 | int ret; |
---|
| 1007 | |
---|
| 1008 | ret = midi_cb_start(0); |
---|
[1853] | 1009 | g_midi_cb.playing = 0; |
---|
[1884] | 1010 | |
---|
| 1011 | return ret; |
---|
[185] | 1012 | #else |
---|
| 1013 | return -1; |
---|
| 1014 | #endif |
---|
| 1015 | } |
---|
| 1016 | |
---|
[1882] | 1017 | int midi_cb_readbuf(void) { |
---|
| 1018 | struct roar_buffer * buf = g_midi_mess.buf; |
---|
| 1019 | struct midi_message * mes = NULL; |
---|
[4521] | 1020 | void * bufdata; |
---|
[1882] | 1021 | |
---|
| 1022 | ROAR_DBG("midi_cb_readbuf(void) = ?"); |
---|
| 1023 | |
---|
[5302] | 1024 | roar_buffer_foreach(buf) { |
---|
[1882] | 1025 | ROAR_DBG("midi_cb_readbuf(void): buf=%p", buf); |
---|
| 1026 | |
---|
[4521] | 1027 | if ( roar_buffer_get_data(buf, &bufdata) == -1 ) { |
---|
[1882] | 1028 | return -1; |
---|
| 1029 | } |
---|
| 1030 | |
---|
[4521] | 1031 | mes = bufdata; |
---|
| 1032 | |
---|
[1882] | 1033 | switch (mes->type) { |
---|
| 1034 | case MIDI_TYPE_NOTE_ON: |
---|
| 1035 | midi_cb_start(mes->d.note.freq); |
---|
| 1036 | break; |
---|
| 1037 | case MIDI_TYPE_NOTE_OFF: |
---|
| 1038 | midi_cb_stop(); |
---|
| 1039 | break; |
---|
[1890] | 1040 | case MIDI_TYPE_CONTROLER: |
---|
[1894] | 1041 | if ( mes->kk == MIDI_CCE_ALL_NOTE_OFF ) /* all note off */ |
---|
[1890] | 1042 | midi_cb_stop(); |
---|
| 1043 | break; |
---|
[1882] | 1044 | } |
---|
| 1045 | } |
---|
| 1046 | |
---|
| 1047 | return 0; |
---|
| 1048 | } |
---|
[2487] | 1049 | #endif |
---|
[1882] | 1050 | |
---|
[1848] | 1051 | // VIO: |
---|
| 1052 | |
---|
[5278] | 1053 | static int midi_vio_ctl(struct roar_vio_calls * vio, roar_vio_ctl_t cmd, void * data) { |
---|
| 1054 | if ( cmd == ROAR_VIO_CTL_NONBLOCK ) |
---|
| 1055 | return 0; |
---|
| 1056 | return -1; |
---|
| 1057 | } |
---|
| 1058 | |
---|
| 1059 | static int midi_vio_ok(struct roar_vio_calls * vio, ...) { |
---|
| 1060 | return 0; |
---|
| 1061 | } |
---|
| 1062 | |
---|
[1848] | 1063 | int midi_vio_set_dummy(int stream) { |
---|
| 1064 | struct roar_stream_server * ss; |
---|
| 1065 | |
---|
| 1066 | if ( streams_get(stream, &ss) == -1 ) |
---|
| 1067 | return -1; |
---|
| 1068 | |
---|
| 1069 | ss->vio.read = NULL; |
---|
| 1070 | ss->vio.write = NULL; |
---|
| 1071 | ss->vio.lseek = NULL; |
---|
[1849] | 1072 | ss->vio.sync = (int (*)(struct roar_vio_calls * vio))midi_vio_ok; |
---|
[5276] | 1073 | ss->vio.ctl = midi_vio_ctl; |
---|
[1849] | 1074 | ss->vio.close = (int (*)(struct roar_vio_calls * vio))midi_vio_ok; |
---|
| 1075 | |
---|
| 1076 | return 0; |
---|
[1848] | 1077 | } |
---|
| 1078 | |
---|
[2500] | 1079 | #endif |
---|
| 1080 | |
---|
[169] | 1081 | //ll |
---|