Guido van Rossum | 16b8f30 | 1992-04-13 18:22:53 +0000 | [diff] [blame] | 1 | /********************************************************** |
| 2 | Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The |
| 3 | Netherlands. |
| 4 | |
| 5 | All Rights Reserved |
| 6 | |
| 7 | Permission to use, copy, modify, and distribute this software and its |
| 8 | documentation for any purpose and without fee is hereby granted, |
| 9 | provided that the above copyright notice appear in all copies and that |
| 10 | both that copyright notice and this permission notice appear in |
| 11 | supporting documentation, and that the names of Stichting Mathematisch |
| 12 | Centrum or CWI not be used in advertising or publicity pertaining to |
| 13 | distribution of the software without specific, written prior permission. |
| 14 | |
| 15 | STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO |
| 16 | THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| 17 | FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE |
| 18 | FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 19 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 20 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
| 21 | OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 22 | |
| 23 | ******************************************************************/ |
| 24 | |
| 25 | /* CD module -- interface to Mark Callow's and Roger Chickering's */ |
| 26 | /* CD Audio Library (CD). */ |
| 27 | |
| 28 | #include <sys/types.h> |
| 29 | #include <cdaudio.h> |
| 30 | #include "allobjects.h" |
| 31 | #include "import.h" |
| 32 | #include "modsupport.h" |
| 33 | #include "compile.h" |
| 34 | #include "ceval.h" |
| 35 | |
| 36 | #define NCALLBACKS 8 |
| 37 | |
| 38 | typedef struct { |
| 39 | OB_HEAD |
| 40 | CDPLAYER *ob_cdplayer; |
| 41 | } cdplayerobject; |
| 42 | |
| 43 | #define CheckPlayer(self) if ((self)->ob_cdplayer == NULL) { \ |
| 44 | err_setstr(RuntimeError, "no player active"); \ |
| 45 | return NULL; \ |
| 46 | } |
| 47 | #define CheckParser(self) if ((self)->ob_cdparser == NULL) { \ |
| 48 | err_setstr(RuntimeError, "no parser active"); \ |
| 49 | return NULL; \ |
| 50 | } |
| 51 | |
| 52 | static object * |
| 53 | CD_allowremoval(self, args) |
| 54 | cdplayerobject *self; |
| 55 | object *args; |
| 56 | { |
| 57 | CheckPlayer(self); |
| 58 | |
| 59 | if (!getnoarg(args)) |
| 60 | return NULL; |
| 61 | |
| 62 | CDallowremoval(self->ob_cdplayer); |
| 63 | |
| 64 | INCREF(None); |
| 65 | return None; |
| 66 | } |
| 67 | |
| 68 | static object * |
| 69 | CD_preventremoval(self, args) |
| 70 | cdplayerobject *self; |
| 71 | object *args; |
| 72 | { |
| 73 | CheckPlayer(self); |
| 74 | |
| 75 | if (!getnoarg(args)) |
| 76 | return NULL; |
| 77 | |
| 78 | CDpreventremoval(self->ob_cdplayer); |
| 79 | |
| 80 | INCREF(None); |
| 81 | return None; |
| 82 | } |
| 83 | |
| 84 | static object * |
| 85 | CD_getvolume(self, args) |
| 86 | cdplayerobject *self; |
| 87 | object *args; |
| 88 | { |
| 89 | CDVOLUME vol; |
| 90 | int retval; |
| 91 | |
| 92 | CheckPlayer(self); |
| 93 | |
| 94 | if (!getnoarg(args)) |
| 95 | return NULL; |
| 96 | |
| 97 | #if 0 |
| 98 | if (!CDgetvolume(self->ob_cdplayer, &vol)) { |
| 99 | err_setstr(RuntimeError, "getvolume failed"); |
| 100 | return NULL; |
| 101 | } |
| 102 | #endif |
| 103 | |
| 104 | return mkvalue("(iiiii)", CDgetvolume(self->ob_cdplayer, &vol), \ |
| 105 | vol.chan0, vol.chan1, vol.chan2, vol.chan3); |
| 106 | } |
| 107 | |
| 108 | static object * |
| 109 | CD_setvolume(self, args) |
| 110 | cdplayerobject *self; |
| 111 | object *args; |
| 112 | { |
| 113 | CDVOLUME vol; |
| 114 | int retval; |
| 115 | |
| 116 | CheckPlayer(self); |
| 117 | |
| 118 | if (!getargs(args, "(bbbb)", &vol.chan0, &vol.chan1, \ |
| 119 | &vol.chan2, &vol.chan3)) |
| 120 | return NULL; |
| 121 | |
| 122 | if (!CDsetvolume(self->ob_cdplayer, &vol)) { |
| 123 | err_setstr(RuntimeError, "setvolume failed"); |
| 124 | return NULL; |
| 125 | } |
| 126 | |
| 127 | INCREF(None); |
| 128 | return None; |
| 129 | } |
| 130 | |
| 131 | static object * |
| 132 | CD_bestreadsize(self, args) |
| 133 | cdplayerobject *self; |
| 134 | object *args; |
| 135 | { |
| 136 | CheckPlayer(self); |
| 137 | |
| 138 | if (!getnoarg(args)) |
| 139 | return NULL; |
| 140 | |
| 141 | return newintobject((long) CDbestreadsize(self->ob_cdplayer)); |
| 142 | } |
| 143 | |
| 144 | static object * |
| 145 | CD_close(self, args) |
| 146 | cdplayerobject *self; |
| 147 | object *args; |
| 148 | { |
| 149 | CheckPlayer(self); |
| 150 | |
| 151 | if (!getnoarg(args)) |
| 152 | return NULL; |
| 153 | |
| 154 | if (!CDclose(self->ob_cdplayer)) { |
| 155 | err_errno(RuntimeError); /* XXX - ??? */ |
| 156 | return NULL; |
| 157 | } |
| 158 | self->ob_cdplayer = NULL; |
| 159 | |
| 160 | INCREF(None); |
| 161 | return None; |
| 162 | } |
| 163 | |
| 164 | static object * |
| 165 | CD_eject(self, args) |
| 166 | cdplayerobject *self; |
| 167 | object *args; |
| 168 | { |
| 169 | CheckPlayer(self); |
| 170 | |
| 171 | if (!getnoarg(args)) |
| 172 | return NULL; |
| 173 | |
| 174 | if (!CDeject(self->ob_cdplayer)) { |
| 175 | err_setstr(RuntimeError, "eject failed"); |
| 176 | return NULL; |
| 177 | } |
| 178 | |
| 179 | INCREF(None); |
| 180 | return None; |
| 181 | } |
| 182 | |
| 183 | static object * |
| 184 | CD_getstatus(self, args) |
| 185 | cdplayerobject *self; |
| 186 | object *args; |
| 187 | { |
| 188 | CDSTATUS status; |
| 189 | |
| 190 | CheckPlayer(self); |
| 191 | |
| 192 | if (!getnoarg(args)) |
| 193 | return NULL; |
| 194 | |
| 195 | if (!CDgetstatus(self->ob_cdplayer, &status)) { |
| 196 | err_errno(RuntimeError); /* XXX - ??? */ |
| 197 | return NULL; |
| 198 | } |
| 199 | |
Guido van Rossum | ece6efe | 1992-04-15 15:56:11 +0000 | [diff] [blame^] | 200 | return mkvalue("(ii(iii)(iii)(iii)iiii(iii))", status.state, |
| 201 | status.track, status.min, status.sec, status.frame, |
| 202 | status.abs_min, status.abs_sec, status.abs_frame, |
| 203 | status.total_min, status.total_sec, status.total_frame, |
| 204 | status.first, status.last, status.scsi_audio, |
| 205 | status.cur_block, status.polyfilla[0], |
| 206 | status.polyfilla[1], status.polyfilla[2]); |
Guido van Rossum | 16b8f30 | 1992-04-13 18:22:53 +0000 | [diff] [blame] | 207 | } |
| 208 | |
| 209 | static object * |
| 210 | CD_gettrackinfo(self, args) |
| 211 | cdplayerobject *self; |
| 212 | object *args; |
| 213 | { |
| 214 | int track; |
| 215 | CDTRACKINFO info; |
| 216 | |
| 217 | CheckPlayer(self); |
| 218 | |
| 219 | if (!getargs(args, "i", &track)) |
| 220 | return NULL; |
| 221 | |
| 222 | if (!CDgettrackinfo(self->ob_cdplayer, track, &info)) { |
| 223 | err_setstr(RuntimeError, "gettrackinfo failed"); |
| 224 | return NULL; |
| 225 | } |
| 226 | |
Guido van Rossum | ece6efe | 1992-04-15 15:56:11 +0000 | [diff] [blame^] | 227 | return mkvalue("((iii)(iii))", |
Guido van Rossum | 16b8f30 | 1992-04-13 18:22:53 +0000 | [diff] [blame] | 228 | info.start_min, info.start_sec, info.start_frame, |
| 229 | info.total_min, info.total_sec, info.total_frame); |
| 230 | } |
| 231 | |
| 232 | static object * |
| 233 | CD_msftoblock(self, args) |
| 234 | cdplayerobject *self; |
| 235 | object *args; |
| 236 | { |
| 237 | int min, sec, frame; |
| 238 | unsigned long block; |
| 239 | |
| 240 | CheckPlayer(self); |
| 241 | |
| 242 | if (!getargs(args, "(iii)", &min, &sec, &frame)) |
| 243 | return NULL; |
| 244 | |
| 245 | block = CDmsftoblock(self->ob_cdplayer, min, sec, frame); |
| 246 | return newintobject((long) block); |
| 247 | } |
| 248 | |
| 249 | static object * |
| 250 | CD_play(self, args) |
| 251 | cdplayerobject *self; |
| 252 | object *args; |
| 253 | { |
| 254 | int start, play; |
| 255 | |
| 256 | CheckPlayer(self); |
| 257 | |
| 258 | if (!getargs(args, "(ii)", &start, &play)) |
| 259 | return NULL; |
| 260 | |
| 261 | if (!CDplay(self->ob_cdplayer, start, play)) { |
| 262 | err_setstr(RuntimeError, "play failed"); |
| 263 | return NULL; |
| 264 | } |
| 265 | |
| 266 | INCREF(None); |
| 267 | return None; |
| 268 | } |
| 269 | |
| 270 | static object * |
| 271 | CD_playabs(self, args) |
| 272 | cdplayerobject *self; |
| 273 | object *args; |
| 274 | { |
| 275 | int min, sec, frame, play; |
| 276 | |
| 277 | CheckPlayer(self); |
| 278 | |
| 279 | if (!getargs(args, "(iiii)", &min, &sec, &frame, &play)) |
| 280 | return NULL; |
| 281 | |
| 282 | if (!CDplayabs(self->ob_cdplayer, min, sec, frame, play)) { |
| 283 | err_setstr(RuntimeError, "playabs failed"); |
| 284 | return NULL; |
| 285 | } |
| 286 | |
| 287 | INCREF(None); |
| 288 | return None; |
| 289 | } |
| 290 | |
| 291 | static object * |
| 292 | CD_playtrack(self, args) |
| 293 | cdplayerobject *self; |
| 294 | object *args; |
| 295 | { |
| 296 | int start, play; |
| 297 | |
| 298 | CheckPlayer(self); |
| 299 | |
| 300 | if (!getargs(args, "(ii)", &start, &play)) |
| 301 | return NULL; |
| 302 | |
| 303 | if (!CDplaytrack(self->ob_cdplayer, start, play)) { |
| 304 | err_setstr(RuntimeError, "playtrack failed"); |
| 305 | return NULL; |
| 306 | } |
| 307 | |
| 308 | INCREF(None); |
| 309 | return None; |
| 310 | } |
| 311 | |
| 312 | static object * |
| 313 | CD_playtrackabs(self, args) |
| 314 | cdplayerobject *self; |
| 315 | object *args; |
| 316 | { |
| 317 | int track, min, sec, frame, play; |
| 318 | |
| 319 | CheckPlayer(self); |
| 320 | |
| 321 | if (!getargs(args, "(iiiii)", &track, &min, &sec, &frame, &play)) |
| 322 | return NULL; |
| 323 | |
| 324 | if (!CDplaytrackabs(self->ob_cdplayer, track, min, sec, frame, play)) { |
| 325 | err_setstr(RuntimeError, "playtrackabs failed"); |
| 326 | return NULL; |
| 327 | } |
| 328 | |
| 329 | INCREF(None); |
| 330 | return None; |
| 331 | } |
| 332 | |
| 333 | static object * |
| 334 | CD_readda(self, args) |
| 335 | cdplayerobject *self; |
| 336 | object *args; |
| 337 | { |
| 338 | int numframes, n; |
| 339 | object *result; |
| 340 | |
| 341 | CheckPlayer(self); |
| 342 | |
| 343 | if (!getargs(args, "i", &numframes)) |
| 344 | return NULL; |
| 345 | |
| 346 | result = newsizedstringobject(NULL, numframes * sizeof(CDFRAME)); |
| 347 | if (result == NULL) |
| 348 | return NULL; |
| 349 | |
| 350 | n = CDreadda(self->ob_cdplayer, (CDFRAME *) getstringvalue(result), numframes); |
| 351 | if (n == -1) { |
| 352 | DECREF(result); |
| 353 | err_errno(RuntimeError); /* XXX - ??? (seems to work) */ |
| 354 | return NULL; |
| 355 | } |
| 356 | if (n < numframes) |
| 357 | if (resizestring(&result, n * sizeof(CDFRAME))) |
| 358 | return NULL; |
| 359 | |
| 360 | return result; |
| 361 | } |
| 362 | |
| 363 | static object * |
| 364 | CD_seek(self, args) |
| 365 | cdplayerobject *self; |
| 366 | object *args; |
| 367 | { |
| 368 | int min, sec, frame; |
| 369 | long block; |
| 370 | |
| 371 | CheckPlayer(self); |
| 372 | |
| 373 | if (!getargs(args, "(iii)", &min, &sec, &frame)) |
| 374 | return NULL; |
| 375 | |
| 376 | block = CDseek(self->ob_cdplayer, min, sec, frame); |
| 377 | if (block == -1) { |
| 378 | err_errno(RuntimeError); |
| 379 | return NULL; |
| 380 | } |
| 381 | |
| 382 | return newintobject(block); |
| 383 | } |
| 384 | |
| 385 | static object * |
| 386 | CD_seektrack(self, args) |
| 387 | cdplayerobject *self; |
| 388 | object *args; |
| 389 | { |
| 390 | int track; |
| 391 | long block; |
| 392 | |
| 393 | CheckPlayer(self); |
| 394 | |
| 395 | if (!getargs(args, "i", &track)) |
| 396 | return NULL; |
| 397 | |
| 398 | block = CDseektrack(self->ob_cdplayer, track); |
| 399 | if (block == -1) { |
| 400 | err_errno(RuntimeError); |
| 401 | return NULL; |
| 402 | } |
| 403 | |
| 404 | return newintobject(block); |
| 405 | } |
| 406 | |
| 407 | static object * |
| 408 | CD_stop(self, args) |
| 409 | cdplayerobject *self; |
| 410 | object *args; |
| 411 | { |
| 412 | CheckPlayer(self); |
| 413 | |
| 414 | if (!getnoarg(args)) |
| 415 | return NULL; |
| 416 | |
| 417 | if (!CDstop(self->ob_cdplayer)) { |
| 418 | err_setstr(RuntimeError, "stop failed"); |
| 419 | return NULL; |
| 420 | } |
| 421 | |
| 422 | INCREF(None); |
| 423 | return None; |
| 424 | } |
| 425 | |
| 426 | static object * |
| 427 | CD_togglepause(self, args) |
| 428 | cdplayerobject *self; |
| 429 | object *args; |
| 430 | { |
| 431 | CheckPlayer(self); |
| 432 | |
| 433 | if (!getnoarg(args)) |
| 434 | return NULL; |
| 435 | |
| 436 | if (!CDtogglepause(self->ob_cdplayer)) { |
| 437 | err_setstr(RuntimeError, "togglepause failed"); |
| 438 | return NULL; |
| 439 | } |
| 440 | |
| 441 | INCREF(None); |
| 442 | return None; |
| 443 | } |
| 444 | |
| 445 | static struct methodlist cdplayer_methods[] = { |
| 446 | {"allowremoval", CD_allowremoval}, |
| 447 | {"bestreadsize", CD_bestreadsize}, |
| 448 | {"close", CD_close}, |
| 449 | {"eject", CD_eject}, |
| 450 | {"getstatus", CD_getstatus}, |
| 451 | {"gettrackinfo", CD_gettrackinfo}, |
| 452 | {"getvolume", CD_getvolume}, |
| 453 | {"msftoblock", CD_msftoblock}, |
| 454 | {"play", CD_play}, |
| 455 | {"playabs", CD_playabs}, |
| 456 | {"playtrack", CD_playtrack}, |
| 457 | {"playtrackabs", CD_playtrackabs}, |
| 458 | {"preventremoval", CD_preventremoval}, |
| 459 | {"readda", CD_readda}, |
| 460 | {"seek", CD_seek}, |
| 461 | {"seektrack", CD_seektrack}, |
| 462 | {"setvolume", CD_setvolume}, |
| 463 | {"stop", CD_stop}, |
| 464 | {"togglepause", CD_togglepause}, |
| 465 | {NULL, NULL} /* sentinel */ |
| 466 | }; |
| 467 | |
| 468 | static void |
| 469 | cdplayer_dealloc(self) |
| 470 | cdplayerobject *self; |
| 471 | { |
| 472 | if (self->ob_cdplayer != NULL) |
| 473 | CDclose(self->ob_cdplayer); |
| 474 | DEL(self); |
| 475 | } |
| 476 | |
| 477 | static object * |
| 478 | cdplayer_getattr(cdp, name) |
| 479 | cdplayerobject *cdp; |
| 480 | char *name; |
| 481 | { |
| 482 | return findmethod(cdplayer_methods, (object *)cdp, name); |
| 483 | } |
| 484 | |
| 485 | typeobject CdPlayertype = { |
| 486 | OB_HEAD_INIT(&Typetype) |
| 487 | 0, /*ob_size*/ |
| 488 | "cdplayer", /*tp_name*/ |
| 489 | sizeof(cdplayerobject), /*tp_size*/ |
| 490 | 0, /*tp_itemsize*/ |
| 491 | /* methods */ |
| 492 | cdplayer_dealloc, /*tp_dealloc*/ |
| 493 | 0, /*tp_print*/ |
| 494 | cdplayer_getattr, /*tp_getattr*/ |
| 495 | 0, /*tp_setattr*/ |
| 496 | 0, /*tp_compare*/ |
| 497 | 0, /*tp_repr*/ |
| 498 | }; |
| 499 | |
| 500 | static object * |
| 501 | newcdplayerobject(cdp) |
| 502 | CDPLAYER *cdp; |
| 503 | { |
| 504 | cdplayerobject *p; |
| 505 | |
| 506 | p = NEWOBJ(cdplayerobject, &CdPlayertype); |
| 507 | if (p == NULL) |
| 508 | return NULL; |
| 509 | p->ob_cdplayer = cdp; |
| 510 | return (object *) p; |
| 511 | } |
| 512 | |
| 513 | static object * |
| 514 | CD_open(self, args) |
| 515 | object *self, *args; |
| 516 | { |
| 517 | char *dev, *direction; |
| 518 | CDPLAYER *cdp; |
| 519 | |
| 520 | /* |
| 521 | * Variable number of args. |
| 522 | * First defaults to "None", second defaults to "r". |
| 523 | */ |
| 524 | dev = NULL; |
| 525 | direction = "r"; |
| 526 | if (!getnoarg(args)) { |
| 527 | err_clear(); |
| 528 | if (!getargs(args, "z", &dev)) { |
| 529 | err_clear(); |
| 530 | if (!getargs(args, "(zs)", &dev, &direction)) |
| 531 | return NULL; |
| 532 | } |
| 533 | } |
| 534 | |
| 535 | cdp = CDopen(dev, direction); |
| 536 | if (cdp == NULL) { |
| 537 | err_errno(RuntimeError); |
| 538 | return NULL; |
| 539 | } |
| 540 | |
| 541 | return newcdplayerobject(cdp); |
| 542 | } |
| 543 | |
| 544 | typedef struct { |
| 545 | OB_HEAD |
| 546 | CDPARSER *ob_cdparser; |
| 547 | struct { |
| 548 | object *ob_cdcallback; |
| 549 | object *ob_cdcallbackarg; |
| 550 | } ob_cdcallbacks[NCALLBACKS]; |
| 551 | } cdparserobject; |
| 552 | |
| 553 | static void |
| 554 | CD_callback(arg, type, data) |
| 555 | void *arg; |
| 556 | CDDATATYPES type; |
| 557 | void *data; |
| 558 | { |
| 559 | object *result, *args, *v; |
| 560 | char *p; |
| 561 | int i; |
| 562 | cdparserobject *self; |
| 563 | |
| 564 | self = (cdparserobject *) arg; |
| 565 | args = newtupleobject(3); |
| 566 | if (args == NULL) |
| 567 | return; |
| 568 | INCREF(self->ob_cdcallbacks[type].ob_cdcallbackarg); |
| 569 | settupleitem(args, 0, self->ob_cdcallbacks[type].ob_cdcallbackarg); |
| 570 | settupleitem(args, 1, newintobject((long) type)); |
| 571 | switch (type) { |
| 572 | case cd_audio: |
| 573 | v = newsizedstringobject(data, CDDA_DATASIZE); |
| 574 | break; |
| 575 | case cd_pnum: |
| 576 | case cd_index: |
| 577 | v = newintobject(((CDPROGNUM *) data)->value); |
| 578 | break; |
| 579 | case cd_ptime: |
| 580 | case cd_atime: |
Guido van Rossum | ece6efe | 1992-04-15 15:56:11 +0000 | [diff] [blame^] | 581 | #define ptr ((struct cdtimecode *) data) |
| 582 | v = mkvalue("(iii)", ptr->mhi * 10 + ptr->mlo, |
| 583 | ptr->shi * 10 + ptr->slo, |
| 584 | ptr->fhi * 10 + ptr->flo); |
| 585 | #undef ptr |
Guido van Rossum | 16b8f30 | 1992-04-13 18:22:53 +0000 | [diff] [blame] | 586 | break; |
| 587 | case cd_catalog: |
| 588 | v = newsizedstringobject(NULL, 13); |
| 589 | p = getstringvalue(v); |
| 590 | for (i = 0; i < 13; i++) |
| 591 | *p++ = ((char *) data)[i] + '0'; |
| 592 | break; |
| 593 | case cd_ident: |
| 594 | v = newsizedstringobject(NULL, 12); |
| 595 | p = getstringvalue(v); |
| 596 | CDsbtoa(p, ((struct cdident *) data)->country, 2); |
| 597 | p += 2; |
| 598 | CDsbtoa(p, ((struct cdident *) data)->owner, 3); |
| 599 | p += 3; |
| 600 | *p++ = ((struct cdident *) data)->year[0] + '0'; |
| 601 | *p++ = ((struct cdident *) data)->year[1] + '0'; |
| 602 | *p++ = ((struct cdident *) data)->serial[0] + '0'; |
| 603 | *p++ = ((struct cdident *) data)->serial[1] + '0'; |
| 604 | *p++ = ((struct cdident *) data)->serial[2] + '0'; |
| 605 | *p++ = ((struct cdident *) data)->serial[3] + '0'; |
| 606 | *p++ = ((struct cdident *) data)->serial[4] + '0'; |
| 607 | break; |
| 608 | case cd_control: |
| 609 | v = newintobject((long) *((unchar *) data)); |
| 610 | break; |
| 611 | } |
| 612 | settupleitem(args, 2, v); |
| 613 | if (err_occurred()) { |
| 614 | DECREF(args); |
| 615 | return; |
| 616 | } |
| 617 | |
| 618 | result = call_object(self->ob_cdcallbacks[type].ob_cdcallback, args); |
| 619 | DECREF(args); |
| 620 | XDECREF(result); |
| 621 | } |
| 622 | |
| 623 | static object * |
| 624 | CD_deleteparser(self, args) |
| 625 | cdparserobject *self; |
| 626 | object *args; |
| 627 | { |
| 628 | int i; |
| 629 | |
| 630 | CheckParser(self); |
| 631 | |
| 632 | if (!getnoarg(args)) |
| 633 | return NULL; |
| 634 | |
| 635 | CDdeleteparser(self->ob_cdparser); |
| 636 | self->ob_cdparser = NULL; |
| 637 | |
| 638 | /* no sense in keeping the callbacks, so remove them */ |
| 639 | for (i = 0; i < NCALLBACKS; i++) { |
| 640 | XDECREF(self->ob_cdcallbacks[i].ob_cdcallback); |
| 641 | self->ob_cdcallbacks[i].ob_cdcallback = NULL; |
| 642 | XDECREF(self->ob_cdcallbacks[i].ob_cdcallbackarg); |
| 643 | self->ob_cdcallbacks[i].ob_cdcallbackarg = NULL; |
| 644 | } |
| 645 | |
| 646 | INCREF(None); |
| 647 | return None; |
| 648 | } |
| 649 | |
| 650 | static object * |
| 651 | CD_parseframe(self, args) |
| 652 | cdparserobject *self; |
| 653 | object *args; |
| 654 | { |
| 655 | char *cdfp; |
| 656 | int length; |
| 657 | CDFRAME *p; |
| 658 | |
| 659 | CheckParser(self); |
| 660 | |
| 661 | if (!getargs(args, "s#", &cdfp, &length)) |
| 662 | return NULL; |
| 663 | |
| 664 | if (length % sizeof(CDFRAME) != 0) { |
| 665 | err_setstr(RuntimeError, "bad length"); |
| 666 | return NULL; |
| 667 | } |
| 668 | |
| 669 | p = (CDFRAME *) cdfp; |
| 670 | while (length > 0) { |
| 671 | CDparseframe(self->ob_cdparser, p); |
| 672 | length -= sizeof(CDFRAME); |
| 673 | p++; |
| 674 | if (err_occurred()) |
| 675 | return NULL; |
| 676 | } |
| 677 | |
| 678 | INCREF(None); |
| 679 | return None; |
| 680 | } |
| 681 | |
| 682 | static object * |
| 683 | CD_removecallback(self, args) |
| 684 | cdparserobject *self; |
| 685 | object *args; |
| 686 | { |
| 687 | int type; |
| 688 | |
| 689 | CheckParser(self); |
| 690 | |
| 691 | if (!getargs(args, "i", &type)) |
| 692 | return NULL; |
| 693 | |
| 694 | CDremovecallback(self->ob_cdparser, (CDDATATYPES) type); |
| 695 | |
| 696 | XDECREF(self->ob_cdcallbacks[type].ob_cdcallback); |
| 697 | self->ob_cdcallbacks[type].ob_cdcallback = NULL; |
| 698 | |
| 699 | XDECREF(self->ob_cdcallbacks[type].ob_cdcallbackarg); |
| 700 | self->ob_cdcallbacks[type].ob_cdcallbackarg = NULL; |
| 701 | |
| 702 | INCREF(None); |
| 703 | return None; |
| 704 | } |
| 705 | |
| 706 | static object * |
| 707 | CD_resetparser(self, args) |
| 708 | cdparserobject *self; |
| 709 | object *args; |
| 710 | { |
| 711 | CheckParser(self); |
| 712 | |
| 713 | if (!getnoarg(args)) |
| 714 | return NULL; |
| 715 | |
| 716 | CDresetparser(self->ob_cdparser); |
| 717 | |
| 718 | INCREF(None); |
| 719 | return None; |
| 720 | } |
| 721 | |
| 722 | static object * |
| 723 | CD_setcallback(self, args) |
| 724 | cdparserobject *self; |
| 725 | object *args; |
| 726 | { |
| 727 | int type; |
| 728 | object *funcobject, *funcargobject; |
| 729 | |
| 730 | CheckParser(self); |
| 731 | |
| 732 | /* XXX - more work here */ |
| 733 | if (!getargs(args, "(iOO)", &type, &funcobject, &funcargobject)) |
| 734 | return NULL; |
| 735 | |
| 736 | if (type < 0 || type >= NCALLBACKS) { |
| 737 | err_setstr(RuntimeError, "bad type"); |
| 738 | return NULL; |
| 739 | } |
| 740 | |
| 741 | CDsetcallback(self->ob_cdparser, (CDDATATYPES) type, CD_callback, (void *) self); |
| 742 | XDECREF(self->ob_cdcallbacks[type].ob_cdcallback); |
| 743 | INCREF(funcobject); |
| 744 | self->ob_cdcallbacks[type].ob_cdcallback = funcobject; |
| 745 | XDECREF(self->ob_cdcallbacks[type].ob_cdcallbackarg); |
| 746 | INCREF(funcargobject); |
| 747 | self->ob_cdcallbacks[type].ob_cdcallbackarg = funcargobject; |
| 748 | |
| 749 | INCREF(None); |
| 750 | return None; |
| 751 | } |
| 752 | |
| 753 | static struct methodlist cdparser_methods[] = { |
| 754 | {"deleteparser", CD_deleteparser}, |
| 755 | {"parseframe", CD_parseframe}, |
| 756 | {"removecallback", CD_removecallback}, |
| 757 | {"resetparser", CD_resetparser}, |
| 758 | {"setcallback", CD_setcallback}, |
| 759 | {NULL, NULL} /* sentinel */ |
| 760 | }; |
| 761 | |
| 762 | static void |
| 763 | cdparser_dealloc(self) |
| 764 | cdparserobject *self; |
| 765 | { |
| 766 | int i; |
| 767 | |
| 768 | for (i = 0; i < NCALLBACKS; i++) { |
| 769 | XDECREF(self->ob_cdcallbacks[i].ob_cdcallback); |
| 770 | self->ob_cdcallbacks[i].ob_cdcallback = NULL; |
| 771 | XDECREF(self->ob_cdcallbacks[i].ob_cdcallbackarg); |
| 772 | self->ob_cdcallbacks[i].ob_cdcallbackarg = NULL; |
| 773 | } |
| 774 | CDdeleteparser(self->ob_cdparser); |
| 775 | DEL(self); |
| 776 | } |
| 777 | |
| 778 | static object * |
| 779 | cdparser_getattr(cdp, name) |
| 780 | cdparserobject *cdp; |
| 781 | char *name; |
| 782 | { |
| 783 | return findmethod(cdparser_methods, (object *)cdp, name); |
| 784 | } |
| 785 | |
| 786 | typeobject CdParsertype = { |
| 787 | OB_HEAD_INIT(&Typetype) |
| 788 | 0, /*ob_size*/ |
| 789 | "cdparser", /*tp_name*/ |
| 790 | sizeof(cdparserobject), /*tp_size*/ |
| 791 | 0, /*tp_itemsize*/ |
| 792 | /* methods */ |
| 793 | cdparser_dealloc, /*tp_dealloc*/ |
| 794 | 0, /*tp_print*/ |
| 795 | cdparser_getattr, /*tp_getattr*/ |
| 796 | 0, /*tp_setattr*/ |
| 797 | 0, /*tp_compare*/ |
| 798 | 0, /*tp_repr*/ |
| 799 | }; |
| 800 | |
| 801 | static object * |
| 802 | newcdparserobject(cdp) |
| 803 | CDPARSER *cdp; |
| 804 | { |
| 805 | cdparserobject *p; |
| 806 | int i; |
| 807 | |
| 808 | p = NEWOBJ(cdparserobject, &CdParsertype); |
| 809 | if (p == NULL) |
| 810 | return NULL; |
| 811 | p->ob_cdparser = cdp; |
| 812 | for (i = 0; i < NCALLBACKS; i++) { |
| 813 | p->ob_cdcallbacks[i].ob_cdcallback = NULL; |
| 814 | p->ob_cdcallbacks[i].ob_cdcallbackarg = NULL; |
| 815 | } |
| 816 | return (object *) p; |
| 817 | } |
| 818 | |
| 819 | static object * |
| 820 | CD_createparser(self, args) |
| 821 | object *self, *args; |
| 822 | { |
| 823 | CDPARSER *cdp; |
| 824 | |
| 825 | if (!getnoarg(args)) |
| 826 | return NULL; |
| 827 | cdp = CDcreateparser(); |
| 828 | if (cdp == NULL) { |
| 829 | err_setstr(RuntimeError, "createparser failed"); |
| 830 | return NULL; |
| 831 | } |
| 832 | |
| 833 | return newcdparserobject(cdp); |
| 834 | } |
| 835 | |
| 836 | static object * |
| 837 | CD_sbtoa(self, args) |
| 838 | object *self; |
| 839 | object *args; |
| 840 | { |
| 841 | char *sb; |
| 842 | int length; |
| 843 | object *result; |
| 844 | |
| 845 | if (!getargs(args, "s#", &sb, &length)) |
| 846 | return NULL; |
| 847 | result = newsizedstringobject(NULL, length); |
| 848 | CDsbtoa(getstringvalue(result), (unchar *) sb, length); |
| 849 | return result; |
| 850 | } |
| 851 | |
| 852 | static object * |
| 853 | CD_timetoa(self, args) |
| 854 | object *self; |
| 855 | object *args; |
| 856 | { |
| 857 | char *tc; |
| 858 | int length; |
| 859 | object *result; |
| 860 | |
| 861 | if (!getargs(args, "s#", &tc, &length)) |
| 862 | return NULL; |
| 863 | |
| 864 | if (length != sizeof(struct cdtimecode)) { |
| 865 | err_setstr(RuntimeError, "bad length"); |
| 866 | return NULL; |
| 867 | } |
| 868 | |
| 869 | result = newsizedstringobject(NULL, 8); |
| 870 | CDtimetoa(getstringvalue(result), (struct cdtimecode *) tc); |
| 871 | return result; |
| 872 | } |
| 873 | |
| 874 | static struct methodlist CD_methods[] = { |
| 875 | {"sbtoa", CD_sbtoa}, |
| 876 | {"open", CD_open}, |
| 877 | {"createparser",CD_createparser}, |
| 878 | {"timetoa", CD_timetoa}, |
| 879 | {NULL, NULL} /* Sentinel */ |
| 880 | }; |
| 881 | |
| 882 | void |
| 883 | initcd() |
| 884 | { |
| 885 | (void) initmodule("cd", CD_methods); |
| 886 | } |