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comparison src/xs_sidplay2.cpp @ 862:011ba70e271e

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Major cleanups, make SIDPlayFP backend compile with libSIDPlayFP v1.0.0 alphas .. does not work for some reason yet, though. (Only plays silence.)
author Matti Hamalainen <ccr@tnsp.org>
date Fri, 09 Nov 2012 02:11:21 +0200
parents 2663b1ac9ce6
children 3a9bf45178ff
comparison
equal deleted inserted replaced
861:c6cf203be443 862:011ba70e271e
71 } 71 }
72 72
73 73
74 /* We need to 'export' all this pseudo-C++ crap */ 74 /* We need to 'export' all this pseudo-C++ crap */
75 extern "C" { 75 extern "C" {
76
77
78 /* Return song information
79 */
80 #define TFUNCTION xs_sidplay2_getinfo
81 #define TFUNCTION2 xs_sidplay2_updateinfo
82 #define TENGINE XSSIDPlay2
83 #define TTUNEINFO SidTuneInfo
84 #define TTUNE SidTune
85 #include "xs_sidplay.h"
86 76
87 77
88 /* Check if we can play the given file 78 /* Check if we can play the given file
89 */ 79 */
90 gboolean xs_sidplay2_probe(XSFile *f) 80 gboolean xs_sidplay2_probe(XSFile *f)
443 } 433 }
444 #endif 434 #endif
445 } 435 }
446 436
447 437
438 /* This function gets most of the information, though we do miss some
439 * (those variables that are only set by libSIDPlay when tune is initialized).
440 * Rest of the information is acquired in xs_sidplay2_updateinfo()
441 */
442 XSTuneInfo *xs_sidplay2_getinfo(const gchar *filename)
443 {
444 XSTuneInfo *res;
445 SidTune *tune;
446 SidTuneInfo info;
447
448 /* Check if the tune exists and is readable */
449 if ((tune = new SidTune(filename)) == NULL)
450 {
451 XSDEBUG("could not initialize tune from '%s'.\n", filename);
452 return NULL;
453 }
454
455 if (!tune->getStatus())
456 {
457 XSDEBUG("tune->getStatus() returned false for '%s'.\n", filename);
458 delete tune;
459 return NULL;
460 }
461
462 /* Get general tune information */
463 tune->getInfo(info);
464
465 /* Allocate tuneinfo structure and set information */
466 res = xs_tuneinfo_new(filename,
467 info.songs, info.startSong,
468 info.infoString[0], info.infoString[1], info.infoString[2],
469 info.loadAddr, info.initAddr, info.playAddr,
470 info.dataFileLen, info.formatString,
471 info.sidModel
472 );
473
474 delete tune;
475 return res;
476 }
477
478
479 /* Updates the information of currently playing tune
480 */
481 gboolean xs_sidplay2_updateinfo(XSEngineState *state)
482 {
483 XSSIDPlay2 *engine;
484 SidTuneInfo info;
485
486 /* Check if we have required structures initialized */
487 if (!state || !state->tuneInfo || !state->internal)
488 return FALSE;
489
490 engine = (XSSIDPlay2 *) state->internal;
491 if (!(engine->tune))
492 return FALSE;
493
494 /* Get general tune information */
495 engine->tune.getInfo(info);
496
497 /* NOTICE! Here we assume that libSIDPlay[12] headers define
498 * SIDTUNE_SIDMODEL_* similarly to our enums in xs_config.h ...
499 */
500 state->tuneInfo->sidModel = info.sidModel;
501
502 if (state->currSong > 0 && state->currSong <= state->tuneInfo->nsubTunes)
503 {
504 gint tmpSpeed = info.clockSpeed;
505 switch (info.clockSpeed)
506 {
507 case SIDTUNE_CLOCK_PAL: tmpSpeed = XS_CLOCK_PAL; break;
508 case SIDTUNE_CLOCK_NTSC: tmpSpeed = XS_CLOCK_NTSC; break;
509 case SIDTUNE_CLOCK_ANY: tmpSpeed = XS_CLOCK_ANY; break;
510 case SIDTUNE_CLOCK_UNKNOWN:
511 switch (info.songSpeed)
512 {
513 case SIDTUNE_SPEED_VBI: tmpSpeed = XS_CLOCK_VBI; break;
514 case SIDTUNE_SPEED_CIA_1A: tmpSpeed = XS_CLOCK_CIA; break;
515 default: tmpSpeed = info.songSpeed; break;
516 }
517 break;
518 }
519 state->tuneInfo->subTunes[state->currSong - 1].tuneSpeed = tmpSpeed;
520 }
521
522 return TRUE;
523 }
524
525
448 } /* extern "C" */ 526 } /* extern "C" */
449 #endif /* HAVE_SIDPLAY2 527 #endif /* HAVE_SIDPLAY2
450 */ 528 */