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ef79bbde P |
1 | /*************************************************************************** |
2 | * Copyright (C) 2007 PCSX-df Team * | |
3 | * Copyright (C) 2009 Wei Mingzhi * | |
77160d47 | 4 | * Copyright (C) 2012 notaz * |
ef79bbde P |
5 | * * |
6 | * This program is free software; you can redistribute it and/or modify * | |
7 | * it under the terms of the GNU General Public License as published by * | |
8 | * the Free Software Foundation; either version 2 of the License, or * | |
9 | * (at your option) any later version. * | |
10 | * * | |
11 | * This program is distributed in the hope that it will be useful, * | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
14 | * GNU General Public License for more details. * | |
15 | * * | |
16 | * You should have received a copy of the GNU General Public License * | |
17 | * along with this program; if not, write to the * | |
18 | * Free Software Foundation, Inc., * | |
deebc67f | 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * |
ef79bbde P |
20 | ***************************************************************************/ |
21 | ||
22 | #include "psxcommon.h" | |
23 | #include "plugins.h" | |
24 | #include "cdrom.h" | |
25 | #include "cdriso.h" | |
ae4e7dc9 | 26 | #include "ppf.h" |
ef79bbde | 27 | |
f9fb1cf7 | 28 | #include <errno.h> |
29 | #include <zlib.h> | |
30 | ||
ef79bbde | 31 | #ifdef _WIN32 |
003cfc63 | 32 | #define WIN32_LEAN_AND_MEAN |
ef79bbde P |
33 | #include <process.h> |
34 | #include <windows.h> | |
deebc67f | 35 | #define strcasecmp _stricmp |
ce36c10b | 36 | #define usleep(x) (Sleep((x) / 1000)) |
ef79bbde P |
37 | #else |
38 | #include <pthread.h> | |
39 | #include <sys/time.h> | |
349f7d81 | 40 | #include <unistd.h> |
ef79bbde P |
41 | #endif |
42 | ||
cc376814 | 43 | #define OFF_T_MSB ((off_t)1 << (sizeof(off_t) * 8 - 1)) |
44 | ||
0c2871a7 | 45 | unsigned int cdrIsoMultidiskCount; |
46 | unsigned int cdrIsoMultidiskSelect; | |
47 | ||
ef79bbde P |
48 | static FILE *cdHandle = NULL; |
49 | static FILE *cddaHandle = NULL; | |
50 | static FILE *subHandle = NULL; | |
51 | ||
52 | static boolean subChanMixed = FALSE; | |
53 | static boolean subChanRaw = FALSE; | |
8aa91443 | 54 | static boolean subChanMissing = FALSE; |
ef79bbde | 55 | |
deebc67f | 56 | static boolean multifile = FALSE; |
57 | ||
81abe4d5 | 58 | static unsigned char cdbuffer[CD_FRAMESIZE_RAW]; |
ef79bbde P |
59 | static unsigned char subbuffer[SUB_FRAMESIZE]; |
60 | ||
61 | static unsigned char sndbuffer[CD_FRAMESIZE_RAW * 10]; | |
62 | ||
63 | #define CDDA_FRAMETIME (1000 * (sizeof(sndbuffer) / CD_FRAMESIZE_RAW) / 75) | |
64 | ||
65 | #ifdef _WIN32 | |
66 | static HANDLE threadid; | |
67 | #else | |
68 | static pthread_t threadid; | |
69 | #endif | |
70 | static unsigned int initial_offset = 0; | |
38b8102c | 71 | static boolean playing = FALSE; |
ef79bbde | 72 | static boolean cddaBigEndian = FALSE; |
77160d47 | 73 | // cdda sectors in toc, byte offset in file |
9a92bffb | 74 | static unsigned int cdda_cur_sector; |
2058d51f | 75 | static unsigned int cdda_first_sector; |
77160d47 | 76 | static unsigned int cdda_file_offset; |
8aa91443 | 77 | /* Frame offset into CD image where pregap data would be found if it was there. |
78 | * If a game seeks there we must *not* return subchannel data since it's | |
79 | * not in the CD image, so that cdrom code can fake subchannel data instead. | |
80 | * XXX: there could be multiple pregaps but PSX dumps only have one? */ | |
81 | static unsigned int pregapOffset; | |
ef79bbde | 82 | |
deebc67f | 83 | #define cddaCurPos cdda_cur_sector |
84 | ||
9a92bffb | 85 | // compressed image stuff |
86 | static struct { | |
87 | unsigned char buff_raw[16][CD_FRAMESIZE_RAW]; | |
88 | unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100]; | |
cc376814 | 89 | off_t *index_table; |
9a92bffb | 90 | unsigned int index_len; |
0877957a | 91 | unsigned int block_shift; |
9a92bffb | 92 | unsigned int current_block; |
93 | unsigned int sector_in_blk; | |
94 | } *compr_img; | |
95 | ||
77160d47 | 96 | int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector); |
9a92bffb | 97 | |
ef79bbde P |
98 | char* CALLBACK CDR__getDriveLetter(void); |
99 | long CALLBACK CDR__configure(void); | |
100 | long CALLBACK CDR__test(void); | |
101 | void CALLBACK CDR__about(void); | |
102 | long CALLBACK CDR__setfilename(char *filename); | |
103 | long CALLBACK CDR__getStatus(struct CdrStat *stat); | |
104 | ||
19c03d80 | 105 | static void DecodeRawSubData(void); |
106 | ||
ef79bbde | 107 | struct trackinfo { |
deebc67f | 108 | enum {DATA=1, CDDA} type; |
ef79bbde P |
109 | char start[3]; // MSF-format |
110 | char length[3]; // MSF-format | |
38b8102c | 111 | FILE *handle; // for multi-track images CDDA |
77160d47 | 112 | unsigned int start_offset; // byte offset from start of above file |
ef79bbde P |
113 | }; |
114 | ||
115 | #define MAXTRACKS 100 /* How many tracks can a CD hold? */ | |
116 | ||
117 | static int numtracks = 0; | |
118 | static struct trackinfo ti[MAXTRACKS]; | |
119 | ||
120 | // get a sector from a msf-array | |
121 | static unsigned int msf2sec(char *msf) { | |
122 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; | |
123 | } | |
124 | ||
125 | static void sec2msf(unsigned int s, char *msf) { | |
126 | msf[0] = s / 75 / 60; | |
127 | s = s - msf[0] * 75 * 60; | |
128 | msf[1] = s / 75; | |
129 | s = s - msf[1] * 75; | |
130 | msf[2] = s; | |
131 | } | |
132 | ||
133 | // divide a string of xx:yy:zz into m, s, f | |
134 | static void tok2msf(char *time, char *msf) { | |
135 | char *token; | |
136 | ||
137 | token = strtok(time, ":"); | |
138 | if (token) { | |
139 | msf[0] = atoi(token); | |
140 | } | |
141 | else { | |
142 | msf[0] = 0; | |
143 | } | |
144 | ||
145 | token = strtok(NULL, ":"); | |
146 | if (token) { | |
147 | msf[1] = atoi(token); | |
148 | } | |
149 | else { | |
150 | msf[1] = 0; | |
151 | } | |
152 | ||
153 | token = strtok(NULL, ":"); | |
154 | if (token) { | |
155 | msf[2] = atoi(token); | |
156 | } | |
157 | else { | |
158 | msf[2] = 0; | |
159 | } | |
160 | } | |
161 | ||
162 | #ifndef _WIN32 | |
163 | static long GetTickCount(void) { | |
164 | static time_t initial_time = 0; | |
165 | struct timeval now; | |
166 | ||
167 | gettimeofday(&now, NULL); | |
168 | ||
169 | if (initial_time == 0) { | |
170 | initial_time = now.tv_sec; | |
171 | } | |
172 | ||
173 | return (now.tv_sec - initial_time) * 1000L + now.tv_usec / 1000L; | |
174 | } | |
175 | #endif | |
176 | ||
177 | // this thread plays audio data | |
178 | #ifdef _WIN32 | |
179 | static void playthread(void *param) | |
180 | #else | |
181 | static void *playthread(void *param) | |
182 | #endif | |
183 | { | |
983a7cfd | 184 | long osleep, d, t, i, s; |
ef79bbde | 185 | unsigned char tmp; |
77160d47 | 186 | int ret = 0, sector_offs; |
ef79bbde P |
187 | |
188 | t = GetTickCount(); | |
189 | ||
190 | while (playing) { | |
9a92bffb | 191 | s = 0; |
192 | for (i = 0; i < sizeof(sndbuffer) / CD_FRAMESIZE_RAW; i++) { | |
77160d47 | 193 | sector_offs = cdda_cur_sector - cdda_first_sector; |
194 | if (sector_offs < 0) { | |
195 | d = CD_FRAMESIZE_RAW; | |
196 | memset(sndbuffer + s, 0, d); | |
197 | } | |
198 | else { | |
199 | d = cdimg_read_func(cddaHandle, cdda_file_offset, | |
200 | sndbuffer + s, sector_offs); | |
201 | if (d < CD_FRAMESIZE_RAW) | |
202 | break; | |
203 | } | |
2058d51f | 204 | |
9a92bffb | 205 | s += d; |
206 | cdda_cur_sector++; | |
ef79bbde | 207 | } |
19c03d80 | 208 | |
ef79bbde P |
209 | if (s == 0) { |
210 | playing = FALSE; | |
ef79bbde P |
211 | initial_offset = 0; |
212 | break; | |
213 | } | |
214 | ||
215 | if (!cdr.Muted && playing) { | |
216 | if (cddaBigEndian) { | |
217 | for (i = 0; i < s / 2; i++) { | |
218 | tmp = sndbuffer[i * 2]; | |
219 | sndbuffer[i * 2] = sndbuffer[i * 2 + 1]; | |
220 | sndbuffer[i * 2 + 1] = tmp; | |
221 | } | |
222 | } | |
223 | ||
53598a71 | 224 | // can't do it yet due to readahead.. |
225 | //cdrAttenuate((short *)sndbuffer, s / 4, 1); | |
983a7cfd | 226 | do { |
227 | ret = SPU_playCDDAchannel((short *)sndbuffer, s); | |
228 | if (ret == 0x7761) | |
ce36c10b | 229 | { |
983a7cfd | 230 | usleep(6 * 1000); |
ce36c10b | 231 | } |
983a7cfd | 232 | } while (ret == 0x7761 && playing); // rearmed_wait |
ef79bbde | 233 | } |
983a7cfd | 234 | |
235 | if (ret != 0x676f) { // !rearmed_go | |
236 | // do approx sleep | |
237 | long now; | |
238 | ||
239 | // HACK: stop feeding data while emu is paused | |
240 | extern int stop; | |
241 | while (stop && playing) | |
ce36c10b | 242 | { |
983a7cfd | 243 | usleep(10000); |
ce36c10b | 244 | } |
983a7cfd | 245 | |
246 | now = GetTickCount(); | |
247 | osleep = t - now; | |
248 | if (osleep <= 0) { | |
249 | osleep = 1; | |
250 | t = now; | |
251 | } | |
252 | else if (osleep > CDDA_FRAMETIME) { | |
253 | osleep = CDDA_FRAMETIME; | |
254 | t = now; | |
255 | } | |
256 | ||
257 | usleep(osleep * 1000); | |
258 | t += CDDA_FRAMETIME; | |
259 | } | |
260 | ||
ef79bbde P |
261 | } |
262 | ||
263 | #ifdef _WIN32 | |
264 | _endthread(); | |
265 | #else | |
266 | pthread_exit(0); | |
267 | return NULL; | |
268 | #endif | |
269 | } | |
270 | ||
271 | // stop the CDDA playback | |
272 | static void stopCDDA() { | |
273 | if (!playing) { | |
274 | return; | |
275 | } | |
276 | ||
277 | playing = FALSE; | |
278 | #ifdef _WIN32 | |
279 | WaitForSingleObject(threadid, INFINITE); | |
280 | #else | |
281 | pthread_join(threadid, NULL); | |
282 | #endif | |
ef79bbde P |
283 | } |
284 | ||
285 | // start the CDDA playback | |
77160d47 | 286 | static void startCDDA(void) { |
ef79bbde | 287 | if (playing) { |
ef79bbde P |
288 | stopCDDA(); |
289 | } | |
290 | ||
ef79bbde P |
291 | playing = TRUE; |
292 | ||
293 | #ifdef _WIN32 | |
294 | threadid = (HANDLE)_beginthread(playthread, 0, NULL); | |
295 | #else | |
296 | pthread_create(&threadid, NULL, playthread, NULL); | |
297 | #endif | |
298 | } | |
299 | ||
300 | // this function tries to get the .toc file of the given .bin | |
301 | // the necessary data is put into the ti (trackinformation)-array | |
302 | static int parsetoc(const char *isofile) { | |
303 | char tocname[MAXPATHLEN]; | |
304 | FILE *fi; | |
e999be41 | 305 | char linebuf[256], tmp[256], name[256]; |
ef79bbde P |
306 | char *token; |
307 | char time[20], time2[20]; | |
e999be41 | 308 | unsigned int t, sector_offs, sector_size; |
309 | unsigned int current_zero_gap = 0; | |
ef79bbde P |
310 | |
311 | numtracks = 0; | |
312 | ||
313 | // copy name of the iso and change extension from .bin to .toc | |
314 | strncpy(tocname, isofile, sizeof(tocname)); | |
315 | tocname[MAXPATHLEN - 1] = '\0'; | |
316 | if (strlen(tocname) >= 4) { | |
317 | strcpy(tocname + strlen(tocname) - 4, ".toc"); | |
318 | } | |
319 | else { | |
320 | return -1; | |
321 | } | |
322 | ||
323 | if ((fi = fopen(tocname, "r")) == NULL) { | |
324 | // try changing extension to .cue (to satisfy some stupid tutorials) | |
325 | strcpy(tocname + strlen(tocname) - 4, ".cue"); | |
326 | if ((fi = fopen(tocname, "r")) == NULL) { | |
327 | // if filename is image.toc.bin, try removing .bin (for Brasero) | |
328 | strcpy(tocname, isofile); | |
329 | t = strlen(tocname); | |
330 | if (t >= 8 && strcmp(tocname + t - 8, ".toc.bin") == 0) { | |
331 | tocname[t - 4] = '\0'; | |
332 | if ((fi = fopen(tocname, "r")) == NULL) { | |
333 | return -1; | |
334 | } | |
335 | } | |
336 | else { | |
337 | return -1; | |
338 | } | |
339 | } | |
92f43ab0 | 340 | // check if it's really a TOC named as a .cue |
341 | fgets(linebuf, sizeof(linebuf), fi); | |
4295c491 | 342 | token = strtok(linebuf, " "); |
343 | if (token && strncmp(token, "CD", 2) != 0 && strcmp(token, "CATALOG") != 0) { | |
92f43ab0 | 344 | fclose(fi); |
345 | return -1; | |
346 | } | |
347 | fseek(fi, 0, SEEK_SET); | |
ef79bbde P |
348 | } |
349 | ||
350 | memset(&ti, 0, sizeof(ti)); | |
351 | cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio | |
352 | ||
e999be41 | 353 | sector_size = CD_FRAMESIZE_RAW; |
19c03d80 | 354 | sector_offs = 2 * 75; |
355 | ||
ef79bbde P |
356 | // parse the .toc file |
357 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
358 | // search for tracks | |
e999be41 | 359 | strncpy(tmp, linebuf, sizeof(linebuf)); |
360 | token = strtok(tmp, " "); | |
ef79bbde P |
361 | |
362 | if (token == NULL) continue; | |
363 | ||
364 | if (!strcmp(token, "TRACK")) { | |
e999be41 | 365 | sector_offs += current_zero_gap; |
366 | current_zero_gap = 0; | |
367 | ||
ef79bbde P |
368 | // get type of track |
369 | token = strtok(NULL, " "); | |
370 | numtracks++; | |
371 | ||
372 | if (!strncmp(token, "MODE2_RAW", 9)) { | |
373 | ti[numtracks].type = DATA; | |
374 | sec2msf(2 * 75, ti[numtracks].start); // assume data track on 0:2:0 | |
375 | ||
376 | // check if this image contains mixed subchannel data | |
377 | token = strtok(NULL, " "); | |
e999be41 | 378 | if (token != NULL && !strncmp(token, "RW", 2)) { |
379 | sector_size = CD_FRAMESIZE_RAW + SUB_FRAMESIZE; | |
ef79bbde | 380 | subChanMixed = TRUE; |
e999be41 | 381 | if (!strncmp(token, "RW_RAW", 6)) |
382 | subChanRaw = TRUE; | |
ef79bbde P |
383 | } |
384 | } | |
385 | else if (!strncmp(token, "AUDIO", 5)) { | |
386 | ti[numtracks].type = CDDA; | |
387 | } | |
388 | } | |
389 | else if (!strcmp(token, "DATAFILE")) { | |
390 | if (ti[numtracks].type == CDDA) { | |
391 | sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2); | |
19c03d80 | 392 | ti[numtracks].start_offset = t; |
e999be41 | 393 | t = t / sector_size + sector_offs; |
ef79bbde P |
394 | sec2msf(t, (char *)&ti[numtracks].start); |
395 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
396 | } | |
397 | else { | |
398 | sscanf(linebuf, "DATAFILE \"%[^\"]\" %8s", name, time); | |
399 | tok2msf((char *)&time, (char *)&ti[numtracks].length); | |
400 | } | |
401 | } | |
402 | else if (!strcmp(token, "FILE")) { | |
403 | sscanf(linebuf, "FILE \"%[^\"]\" #%d %8s %8s", name, &t, time, time2); | |
404 | tok2msf((char *)&time, (char *)&ti[numtracks].start); | |
e999be41 | 405 | t += msf2sec(ti[numtracks].start) * sector_size; |
19c03d80 | 406 | ti[numtracks].start_offset = t; |
e999be41 | 407 | t = t / sector_size + sector_offs; |
ef79bbde P |
408 | sec2msf(t, (char *)&ti[numtracks].start); |
409 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
410 | } | |
e999be41 | 411 | else if (!strcmp(token, "ZERO") || !strcmp(token, "SILENCE")) { |
412 | // skip unneeded optional fields | |
413 | while (token != NULL) { | |
414 | token = strtok(NULL, " "); | |
415 | if (strchr(token, ':') != NULL) | |
416 | break; | |
417 | } | |
418 | if (token != NULL) { | |
419 | tok2msf(token, tmp); | |
420 | current_zero_gap = msf2sec(tmp); | |
421 | } | |
8aa91443 | 422 | if (numtracks > 1) { |
423 | t = ti[numtracks - 1].start_offset; | |
e999be41 | 424 | t /= sector_size; |
8aa91443 | 425 | pregapOffset = t + msf2sec(ti[numtracks - 1].length); |
426 | } | |
19c03d80 | 427 | } |
e999be41 | 428 | else if (!strcmp(token, "START")) { |
429 | token = strtok(NULL, " "); | |
430 | if (token != NULL && strchr(token, ':')) { | |
431 | tok2msf(token, tmp); | |
432 | t = msf2sec(tmp); | |
433 | ti[numtracks].start_offset += (t - current_zero_gap) * sector_size; | |
434 | t = msf2sec(ti[numtracks].start) + t; | |
435 | sec2msf(t, (char *)&ti[numtracks].start); | |
436 | } | |
437 | } | |
ef79bbde P |
438 | } |
439 | ||
440 | fclose(fi); | |
441 | ||
442 | return 0; | |
443 | } | |
444 | ||
445 | // this function tries to get the .cue file of the given .bin | |
446 | // the necessary data is put into the ti (trackinformation)-array | |
447 | static int parsecue(const char *isofile) { | |
448 | char cuename[MAXPATHLEN]; | |
38b8102c | 449 | char filepath[MAXPATHLEN]; |
450 | char *incue_fname; | |
ef79bbde P |
451 | FILE *fi; |
452 | char *token; | |
453 | char time[20]; | |
454 | char *tmp; | |
19c03d80 | 455 | char linebuf[256], tmpb[256], dummy[256]; |
38b8102c | 456 | unsigned int incue_max_len; |
77160d47 | 457 | unsigned int t, file_len, mode, sector_offs; |
458 | unsigned int sector_size = 2352; | |
ef79bbde P |
459 | |
460 | numtracks = 0; | |
461 | ||
462 | // copy name of the iso and change extension from .bin to .cue | |
463 | strncpy(cuename, isofile, sizeof(cuename)); | |
464 | cuename[MAXPATHLEN - 1] = '\0'; | |
465 | if (strlen(cuename) >= 4) { | |
466 | strcpy(cuename + strlen(cuename) - 4, ".cue"); | |
467 | } | |
468 | else { | |
469 | return -1; | |
470 | } | |
471 | ||
472 | if ((fi = fopen(cuename, "r")) == NULL) { | |
473 | return -1; | |
474 | } | |
475 | ||
476 | // Some stupid tutorials wrongly tell users to use cdrdao to rip a | |
477 | // "bin/cue" image, which is in fact a "bin/toc" image. So let's check | |
478 | // that... | |
479 | if (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
480 | if (!strncmp(linebuf, "CD_ROM_XA", 9)) { | |
481 | // Don't proceed further, as this is actually a .toc file rather | |
482 | // than a .cue file. | |
483 | fclose(fi); | |
484 | return parsetoc(isofile); | |
485 | } | |
486 | fseek(fi, 0, SEEK_SET); | |
487 | } | |
488 | ||
38b8102c | 489 | // build a path for files referenced in .cue |
490 | strncpy(filepath, cuename, sizeof(filepath)); | |
22bbabf6 | 491 | tmp = strrchr(filepath, '/'); |
38b8102c | 492 | if (tmp == NULL) |
22bbabf6 | 493 | tmp = strrchr(filepath, '\\'); |
494 | if (tmp != NULL) | |
495 | tmp++; | |
496 | else | |
38b8102c | 497 | tmp = filepath; |
498 | *tmp = 0; | |
499 | filepath[sizeof(filepath) - 1] = 0; | |
500 | incue_fname = tmp; | |
501 | incue_max_len = sizeof(filepath) - (tmp - filepath) - 1; | |
502 | ||
ef79bbde P |
503 | memset(&ti, 0, sizeof(ti)); |
504 | ||
19c03d80 | 505 | file_len = 0; |
506 | sector_offs = 2 * 75; | |
507 | ||
ef79bbde P |
508 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { |
509 | strncpy(dummy, linebuf, sizeof(linebuf)); | |
510 | token = strtok(dummy, " "); | |
511 | ||
512 | if (token == NULL) { | |
513 | continue; | |
514 | } | |
515 | ||
19c03d80 | 516 | if (!strcmp(token, "TRACK")) { |
ef79bbde P |
517 | numtracks++; |
518 | ||
77160d47 | 519 | sector_size = 0; |
ef79bbde P |
520 | if (strstr(linebuf, "AUDIO") != NULL) { |
521 | ti[numtracks].type = CDDA; | |
77160d47 | 522 | sector_size = 2352; |
ef79bbde | 523 | } |
77160d47 | 524 | else if (sscanf(linebuf, " TRACK %u MODE%u/%u", &t, &mode, §or_size) == 3) |
ef79bbde | 525 | ti[numtracks].type = DATA; |
77160d47 | 526 | else { |
527 | SysPrintf(".cue: failed to parse TRACK\n"); | |
528 | ti[numtracks].type = numtracks == 1 ? DATA : CDDA; | |
ef79bbde | 529 | } |
77160d47 | 530 | if (sector_size == 0) |
531 | sector_size = 2352; | |
ef79bbde P |
532 | } |
533 | else if (!strcmp(token, "INDEX")) { | |
77160d47 | 534 | if (sscanf(linebuf, " INDEX %02d %8s", &t, time) != 2) |
535 | SysPrintf(".cue: failed to parse INDEX\n"); | |
19c03d80 | 536 | tok2msf(time, (char *)&ti[numtracks].start); |
ef79bbde | 537 | |
19c03d80 | 538 | t = msf2sec(ti[numtracks].start); |
77160d47 | 539 | ti[numtracks].start_offset = t * sector_size; |
19c03d80 | 540 | t += sector_offs; |
ef79bbde | 541 | sec2msf(t, ti[numtracks].start); |
19c03d80 | 542 | |
543 | // default track length to file length | |
77160d47 | 544 | t = file_len - ti[numtracks].start_offset / sector_size; |
19c03d80 | 545 | sec2msf(t, ti[numtracks].length); |
546 | ||
547 | if (numtracks > 1 && ti[numtracks].handle == NULL) { | |
548 | // this track uses the same file as the last, | |
549 | // start of this track is last track's end | |
550 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
551 | sec2msf(t, ti[numtracks - 1].length); | |
38b8102c | 552 | } |
8aa91443 | 553 | if (numtracks > 1 && pregapOffset == -1) |
77160d47 | 554 | pregapOffset = ti[numtracks].start_offset / sector_size; |
19c03d80 | 555 | } |
556 | else if (!strcmp(token, "PREGAP")) { | |
557 | if (sscanf(linebuf, " PREGAP %8s", time) == 1) { | |
558 | tok2msf(time, dummy); | |
559 | sector_offs += msf2sec(dummy); | |
38b8102c | 560 | } |
8aa91443 | 561 | pregapOffset = -1; // mark to fill track start_offset |
19c03d80 | 562 | } |
563 | else if (!strcmp(token, "FILE")) { | |
9a9bcd78 | 564 | t = sscanf(linebuf, " FILE \"%255[^\"]\"", tmpb); |
385c023b | 565 | if (t != 1) |
9a9bcd78 | 566 | sscanf(linebuf, " FILE %255s", tmpb); |
19c03d80 | 567 | |
6f4557bf | 568 | tmp = strrchr(tmpb, '\\'); |
569 | if (tmp == NULL) | |
570 | tmp = strrchr(tmpb, '/'); | |
571 | if (tmp != NULL) | |
572 | tmp++; | |
573 | else | |
574 | tmp = tmpb; | |
575 | strncpy(incue_fname, tmp, incue_max_len); | |
576 | ti[numtracks + 1].handle = fopen(filepath, "rb"); | |
ef79bbde | 577 | |
19c03d80 | 578 | // update global offset if this is not first file in this .cue |
deebc67f | 579 | if (numtracks + 1 > 1) { |
580 | multifile = 1; | |
19c03d80 | 581 | sector_offs += file_len; |
deebc67f | 582 | } |
19c03d80 | 583 | |
584 | file_len = 0; | |
38b8102c | 585 | if (ti[numtracks + 1].handle == NULL) { |
19c03d80 | 586 | SysPrintf(_("\ncould not open: %s\n"), filepath); |
587 | continue; | |
38b8102c | 588 | } |
19c03d80 | 589 | fseek(ti[numtracks + 1].handle, 0, SEEK_END); |
590 | file_len = ftell(ti[numtracks + 1].handle) / 2352; | |
591 | ||
592 | if (numtracks == 0 && strlen(isofile) >= 4 && | |
593 | strcmp(isofile + strlen(isofile) - 4, ".cue") == 0) | |
594 | { | |
38b8102c | 595 | // user selected .cue as image file, use it's data track instead |
596 | fclose(cdHandle); | |
597 | cdHandle = fopen(filepath, "rb"); | |
ef79bbde P |
598 | } |
599 | } | |
600 | } | |
601 | ||
602 | fclose(fi); | |
603 | ||
ef79bbde P |
604 | return 0; |
605 | } | |
606 | ||
607 | // this function tries to get the .ccd file of the given .img | |
608 | // the necessary data is put into the ti (trackinformation)-array | |
609 | static int parseccd(const char *isofile) { | |
610 | char ccdname[MAXPATHLEN]; | |
611 | FILE *fi; | |
612 | char linebuf[256]; | |
613 | unsigned int t; | |
614 | ||
615 | numtracks = 0; | |
616 | ||
617 | // copy name of the iso and change extension from .img to .ccd | |
618 | strncpy(ccdname, isofile, sizeof(ccdname)); | |
619 | ccdname[MAXPATHLEN - 1] = '\0'; | |
620 | if (strlen(ccdname) >= 4) { | |
621 | strcpy(ccdname + strlen(ccdname) - 4, ".ccd"); | |
622 | } | |
623 | else { | |
624 | return -1; | |
625 | } | |
626 | ||
627 | if ((fi = fopen(ccdname, "r")) == NULL) { | |
628 | return -1; | |
629 | } | |
630 | ||
631 | memset(&ti, 0, sizeof(ti)); | |
632 | ||
633 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
634 | if (!strncmp(linebuf, "[TRACK", 6)){ | |
635 | numtracks++; | |
636 | } | |
637 | else if (!strncmp(linebuf, "MODE=", 5)) { | |
638 | sscanf(linebuf, "MODE=%d", &t); | |
639 | ti[numtracks].type = ((t == 0) ? CDDA : DATA); | |
640 | } | |
641 | else if (!strncmp(linebuf, "INDEX 1=", 8)) { | |
642 | sscanf(linebuf, "INDEX 1=%d", &t); | |
643 | sec2msf(t + 2 * 75, ti[numtracks].start); | |
77160d47 | 644 | ti[numtracks].start_offset = t * 2352; |
ef79bbde P |
645 | |
646 | // If we've already seen another track, this is its end | |
647 | if (numtracks > 1) { | |
648 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
649 | sec2msf(t, ti[numtracks - 1].length); | |
650 | } | |
651 | } | |
652 | } | |
653 | ||
654 | fclose(fi); | |
655 | ||
656 | // Fill out the last track's end based on size | |
657 | if (numtracks >= 1) { | |
658 | fseek(cdHandle, 0, SEEK_END); | |
659 | t = ftell(cdHandle) / 2352 - msf2sec(ti[numtracks].start) + 2 * 75; | |
660 | sec2msf(t, ti[numtracks].length); | |
661 | } | |
662 | ||
663 | return 0; | |
664 | } | |
665 | ||
666 | // this function tries to get the .mds file of the given .mdf | |
667 | // the necessary data is put into the ti (trackinformation)-array | |
668 | static int parsemds(const char *isofile) { | |
669 | char mdsname[MAXPATHLEN]; | |
670 | FILE *fi; | |
671 | unsigned int offset, extra_offset, l, i; | |
672 | unsigned short s; | |
673 | ||
674 | numtracks = 0; | |
675 | ||
676 | // copy name of the iso and change extension from .mdf to .mds | |
677 | strncpy(mdsname, isofile, sizeof(mdsname)); | |
678 | mdsname[MAXPATHLEN - 1] = '\0'; | |
679 | if (strlen(mdsname) >= 4) { | |
680 | strcpy(mdsname + strlen(mdsname) - 4, ".mds"); | |
681 | } | |
682 | else { | |
683 | return -1; | |
684 | } | |
685 | ||
686 | if ((fi = fopen(mdsname, "rb")) == NULL) { | |
687 | return -1; | |
688 | } | |
689 | ||
690 | memset(&ti, 0, sizeof(ti)); | |
691 | ||
692 | // check if it's a valid mds file | |
693 | fread(&i, 1, sizeof(unsigned int), fi); | |
694 | i = SWAP32(i); | |
695 | if (i != 0x4944454D) { | |
696 | // not an valid mds file | |
697 | fclose(fi); | |
698 | return -1; | |
699 | } | |
700 | ||
701 | // get offset to session block | |
702 | fseek(fi, 0x50, SEEK_SET); | |
703 | fread(&offset, 1, sizeof(unsigned int), fi); | |
704 | offset = SWAP32(offset); | |
705 | ||
706 | // get total number of tracks | |
707 | offset += 14; | |
708 | fseek(fi, offset, SEEK_SET); | |
709 | fread(&s, 1, sizeof(unsigned short), fi); | |
710 | s = SWAP16(s); | |
711 | numtracks = s; | |
712 | ||
713 | // get offset to track blocks | |
714 | fseek(fi, 4, SEEK_CUR); | |
715 | fread(&offset, 1, sizeof(unsigned int), fi); | |
716 | offset = SWAP32(offset); | |
717 | ||
718 | // skip lead-in data | |
719 | while (1) { | |
720 | fseek(fi, offset + 4, SEEK_SET); | |
721 | if (fgetc(fi) < 0xA0) { | |
722 | break; | |
723 | } | |
724 | offset += 0x50; | |
725 | } | |
726 | ||
727 | // check if the image contains mixed subchannel data | |
728 | fseek(fi, offset + 1, SEEK_SET); | |
77160d47 | 729 | subChanMixed = subChanRaw = (fgetc(fi) ? TRUE : FALSE); |
ef79bbde P |
730 | |
731 | // read track data | |
732 | for (i = 1; i <= numtracks; i++) { | |
733 | fseek(fi, offset, SEEK_SET); | |
734 | ||
735 | // get the track type | |
736 | ti[i].type = ((fgetc(fi) == 0xA9) ? CDDA : DATA); | |
737 | fseek(fi, 8, SEEK_CUR); | |
738 | ||
739 | // get the track starting point | |
740 | ti[i].start[0] = fgetc(fi); | |
741 | ti[i].start[1] = fgetc(fi); | |
742 | ti[i].start[2] = fgetc(fi); | |
743 | ||
ef79bbde P |
744 | fread(&extra_offset, 1, sizeof(unsigned int), fi); |
745 | extra_offset = SWAP32(extra_offset); | |
746 | ||
19c03d80 | 747 | // get track start offset (in .mdf) |
748 | fseek(fi, offset + 0x28, SEEK_SET); | |
749 | fread(&l, 1, sizeof(unsigned int), fi); | |
750 | l = SWAP32(l); | |
77160d47 | 751 | ti[i].start_offset = l; |
19c03d80 | 752 | |
8aa91443 | 753 | // get pregap |
754 | fseek(fi, extra_offset, SEEK_SET); | |
755 | fread(&l, 1, sizeof(unsigned int), fi); | |
756 | l = SWAP32(l); | |
757 | if (l != 0 && i > 1) | |
77160d47 | 758 | pregapOffset = msf2sec(ti[i].start); |
8aa91443 | 759 | |
760 | // get the track length | |
761 | fread(&l, 1, sizeof(unsigned int), fi); | |
762 | l = SWAP32(l); | |
763 | sec2msf(l, ti[i].length); | |
764 | ||
ef79bbde P |
765 | offset += 0x50; |
766 | } | |
767 | ||
768 | fclose(fi); | |
769 | return 0; | |
770 | } | |
771 | ||
0877957a | 772 | static int handlepbp(const char *isofile) { |
9a92bffb | 773 | struct { |
774 | unsigned int sig; | |
775 | unsigned int dontcare[8]; | |
776 | unsigned int psar_offs; | |
777 | } pbp_hdr; | |
778 | struct { | |
779 | unsigned char type; | |
780 | unsigned char pad0; | |
781 | unsigned char track; | |
782 | char index0[3]; | |
783 | char pad1; | |
784 | char index1[3]; | |
785 | } toc_entry; | |
786 | struct { | |
787 | unsigned int offset; | |
788 | unsigned int size; | |
789 | unsigned int dontcare[6]; | |
790 | } index_entry; | |
0c2871a7 | 791 | char psar_sig[11]; |
cc376814 | 792 | off_t psisoimg_offs, cdimg_base; |
793 | unsigned int t, cd_length; | |
794 | unsigned int offsettab[8]; | |
9a92bffb | 795 | const char *ext = NULL; |
796 | int i, ret; | |
797 | ||
798 | if (strlen(isofile) >= 4) | |
799 | ext = isofile + strlen(isofile) - 4; | |
800 | if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0)) | |
801 | return -1; | |
802 | ||
cc376814 | 803 | fseeko(cdHandle, 0, SEEK_SET); |
9726a4af | 804 | |
9a92bffb | 805 | numtracks = 0; |
806 | ||
807 | ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle); | |
808 | if (ret != sizeof(pbp_hdr)) { | |
f29fbd53 | 809 | SysPrintf("failed to read pbp\n"); |
9a92bffb | 810 | goto fail_io; |
811 | } | |
812 | ||
cc376814 | 813 | ret = fseeko(cdHandle, pbp_hdr.psar_offs, SEEK_SET); |
9a92bffb | 814 | if (ret != 0) { |
f29fbd53 | 815 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs); |
9a92bffb | 816 | goto fail_io; |
817 | } | |
818 | ||
0c2871a7 | 819 | psisoimg_offs = pbp_hdr.psar_offs; |
9a92bffb | 820 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); |
0c2871a7 | 821 | psar_sig[10] = 0; |
822 | if (strcmp(psar_sig, "PSTITLEIMG") == 0) { | |
823 | // multidisk image? | |
cc376814 | 824 | ret = fseeko(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET); |
0c2871a7 | 825 | if (ret != 0) { |
f29fbd53 | 826 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs + 0x200); |
0c2871a7 | 827 | goto fail_io; |
828 | } | |
829 | ||
830 | if (fread(&offsettab, 1, sizeof(offsettab), cdHandle) != sizeof(offsettab)) { | |
f29fbd53 | 831 | SysPrintf("failed to read offsettab\n"); |
0c2871a7 | 832 | goto fail_io; |
833 | } | |
834 | ||
835 | for (i = 0; i < sizeof(offsettab) / sizeof(offsettab[0]); i++) { | |
836 | if (offsettab[i] == 0) | |
837 | break; | |
838 | } | |
839 | cdrIsoMultidiskCount = i; | |
840 | if (cdrIsoMultidiskCount == 0) { | |
f29fbd53 | 841 | SysPrintf("multidisk eboot has 0 images?\n"); |
0c2871a7 | 842 | goto fail_io; |
843 | } | |
844 | ||
845 | if (cdrIsoMultidiskSelect >= cdrIsoMultidiskCount) | |
846 | cdrIsoMultidiskSelect = 0; | |
847 | ||
848 | psisoimg_offs += offsettab[cdrIsoMultidiskSelect]; | |
849 | ||
cc376814 | 850 | ret = fseeko(cdHandle, psisoimg_offs, SEEK_SET); |
0c2871a7 | 851 | if (ret != 0) { |
cc376814 | 852 | SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs); |
0c2871a7 | 853 | goto fail_io; |
854 | } | |
855 | ||
856 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); | |
857 | psar_sig[10] = 0; | |
858 | } | |
859 | ||
860 | if (strcmp(psar_sig, "PSISOIMG00") != 0) { | |
f29fbd53 | 861 | SysPrintf("bad psar_sig: %s\n", psar_sig); |
9a92bffb | 862 | goto fail_io; |
863 | } | |
864 | ||
865 | // seek to TOC | |
cc376814 | 866 | ret = fseeko(cdHandle, psisoimg_offs + 0x800, SEEK_SET); |
9a92bffb | 867 | if (ret != 0) { |
cc376814 | 868 | SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs + 0x800); |
9a92bffb | 869 | goto fail_io; |
870 | } | |
871 | ||
872 | // first 3 entries are special | |
873 | fseek(cdHandle, sizeof(toc_entry), SEEK_CUR); | |
874 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
875 | numtracks = btoi(toc_entry.index1[0]); | |
876 | ||
877 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
878 | cd_length = btoi(toc_entry.index1[0]) * 60 * 75 + | |
879 | btoi(toc_entry.index1[1]) * 75 + btoi(toc_entry.index1[2]); | |
880 | ||
881 | for (i = 1; i <= numtracks; i++) { | |
882 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
883 | ||
884 | ti[i].type = (toc_entry.type == 1) ? CDDA : DATA; | |
885 | ||
886 | ti[i].start_offset = btoi(toc_entry.index0[0]) * 60 * 75 + | |
887 | btoi(toc_entry.index0[1]) * 75 + btoi(toc_entry.index0[2]); | |
77160d47 | 888 | ti[i].start_offset *= 2352; |
9a92bffb | 889 | ti[i].start[0] = btoi(toc_entry.index1[0]); |
890 | ti[i].start[1] = btoi(toc_entry.index1[1]); | |
891 | ti[i].start[2] = btoi(toc_entry.index1[2]); | |
892 | ||
893 | if (i > 1) { | |
894 | t = msf2sec(ti[i].start) - msf2sec(ti[i - 1].start); | |
895 | sec2msf(t, ti[i - 1].length); | |
896 | } | |
897 | } | |
77160d47 | 898 | t = cd_length - ti[numtracks].start_offset / 2352; |
9a92bffb | 899 | sec2msf(t, ti[numtracks].length); |
900 | ||
901 | // seek to ISO index | |
cc376814 | 902 | ret = fseeko(cdHandle, psisoimg_offs + 0x4000, SEEK_SET); |
9a92bffb | 903 | if (ret != 0) { |
f29fbd53 | 904 | SysPrintf("failed to seek to ISO index\n"); |
9a92bffb | 905 | goto fail_io; |
906 | } | |
907 | ||
908 | compr_img = calloc(1, sizeof(*compr_img)); | |
909 | if (compr_img == NULL) | |
910 | goto fail_io; | |
911 | ||
0877957a | 912 | compr_img->block_shift = 4; |
9a92bffb | 913 | compr_img->current_block = (unsigned int)-1; |
914 | ||
915 | compr_img->index_len = (0x100000 - 0x4000) / sizeof(index_entry); | |
916 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
917 | if (compr_img->index_table == NULL) | |
918 | goto fail_io; | |
919 | ||
0c2871a7 | 920 | cdimg_base = psisoimg_offs + 0x100000; |
9a92bffb | 921 | for (i = 0; i < compr_img->index_len; i++) { |
922 | ret = fread(&index_entry, 1, sizeof(index_entry), cdHandle); | |
923 | if (ret != sizeof(index_entry)) { | |
f29fbd53 | 924 | SysPrintf("failed to read index_entry #%d\n", i); |
9a92bffb | 925 | goto fail_index; |
926 | } | |
927 | ||
928 | if (index_entry.size == 0) | |
929 | break; | |
930 | ||
931 | compr_img->index_table[i] = cdimg_base + index_entry.offset; | |
932 | } | |
933 | compr_img->index_table[i] = cdimg_base + index_entry.offset + index_entry.size; | |
934 | ||
935 | return 0; | |
936 | ||
937 | fail_index: | |
938 | free(compr_img->index_table); | |
939 | compr_img->index_table = NULL; | |
940 | fail_io: | |
0877957a | 941 | if (compr_img != NULL) { |
942 | free(compr_img); | |
943 | compr_img = NULL; | |
944 | } | |
945 | return -1; | |
946 | } | |
947 | ||
948 | static int handlecbin(const char *isofile) { | |
949 | struct | |
950 | { | |
951 | char magic[4]; | |
952 | unsigned int header_size; | |
953 | unsigned long long total_bytes; | |
954 | unsigned int block_size; | |
955 | unsigned char ver; // 1 | |
956 | unsigned char align; | |
957 | unsigned char rsv_06[2]; | |
958 | } ciso_hdr; | |
959 | const char *ext = NULL; | |
cc376814 | 960 | unsigned int *index_table = NULL; |
0c2871a7 | 961 | unsigned int index = 0, plain; |
0877957a | 962 | int i, ret; |
963 | ||
964 | if (strlen(isofile) >= 5) | |
965 | ext = isofile + strlen(isofile) - 5; | |
966 | if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0)) | |
967 | return -1; | |
968 | ||
9726a4af | 969 | fseek(cdHandle, 0, SEEK_SET); |
970 | ||
0877957a | 971 | ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle); |
972 | if (ret != sizeof(ciso_hdr)) { | |
f29fbd53 | 973 | SysPrintf("failed to read ciso header\n"); |
0877957a | 974 | return -1; |
975 | } | |
976 | ||
977 | if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) { | |
f29fbd53 | 978 | SysPrintf("bad ciso header\n"); |
0877957a | 979 | return -1; |
980 | } | |
981 | if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) { | |
cc376814 | 982 | ret = fseeko(cdHandle, ciso_hdr.header_size, SEEK_SET); |
0877957a | 983 | if (ret != 0) { |
f29fbd53 | 984 | SysPrintf("failed to seek to %x\n", ciso_hdr.header_size); |
0877957a | 985 | return -1; |
986 | } | |
987 | } | |
988 | ||
989 | compr_img = calloc(1, sizeof(*compr_img)); | |
990 | if (compr_img == NULL) | |
991 | goto fail_io; | |
992 | ||
993 | compr_img->block_shift = 0; | |
994 | compr_img->current_block = (unsigned int)-1; | |
995 | ||
996 | compr_img->index_len = ciso_hdr.total_bytes / ciso_hdr.block_size; | |
cc376814 | 997 | index_table = malloc((compr_img->index_len + 1) * sizeof(index_table[0])); |
998 | if (index_table == NULL) | |
0877957a | 999 | goto fail_io; |
1000 | ||
cc376814 | 1001 | ret = fread(index_table, sizeof(index_table[0]), compr_img->index_len, cdHandle); |
0877957a | 1002 | if (ret != compr_img->index_len) { |
f29fbd53 | 1003 | SysPrintf("failed to read index table\n"); |
0877957a | 1004 | goto fail_index; |
1005 | } | |
1006 | ||
cc376814 | 1007 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); |
1008 | if (compr_img->index_table == NULL) | |
1009 | goto fail_index; | |
1010 | ||
0877957a | 1011 | for (i = 0; i < compr_img->index_len + 1; i++) { |
cc376814 | 1012 | index = index_table[i]; |
0877957a | 1013 | plain = index & 0x80000000; |
1014 | index &= 0x7fffffff; | |
cc376814 | 1015 | compr_img->index_table[i] = (off_t)index << ciso_hdr.align; |
1016 | if (plain) | |
1017 | compr_img->index_table[i] |= OFF_T_MSB; | |
0877957a | 1018 | } |
0877957a | 1019 | |
1020 | return 0; | |
1021 | ||
1022 | fail_index: | |
cc376814 | 1023 | free(index_table); |
0877957a | 1024 | fail_io: |
1025 | if (compr_img != NULL) { | |
1026 | free(compr_img); | |
1027 | compr_img = NULL; | |
1028 | } | |
9a92bffb | 1029 | return -1; |
1030 | } | |
1031 | ||
ef79bbde P |
1032 | // this function tries to get the .sub file of the given .img |
1033 | static int opensubfile(const char *isoname) { | |
1034 | char subname[MAXPATHLEN]; | |
1035 | ||
1036 | // copy name of the iso and change extension from .img to .sub | |
1037 | strncpy(subname, isoname, sizeof(subname)); | |
1038 | subname[MAXPATHLEN - 1] = '\0'; | |
1039 | if (strlen(subname) >= 4) { | |
1040 | strcpy(subname + strlen(subname) - 4, ".sub"); | |
1041 | } | |
1042 | else { | |
1043 | return -1; | |
1044 | } | |
1045 | ||
1046 | subHandle = fopen(subname, "rb"); | |
1047 | if (subHandle == NULL) { | |
1048 | return -1; | |
1049 | } | |
1050 | ||
1051 | return 0; | |
1052 | } | |
1053 | ||
ae4e7dc9 | 1054 | static int opensbifile(const char *isoname) { |
1055 | char sbiname[MAXPATHLEN]; | |
1056 | int s; | |
1057 | ||
1058 | strncpy(sbiname, isoname, sizeof(sbiname)); | |
1059 | sbiname[MAXPATHLEN - 1] = '\0'; | |
1060 | if (strlen(sbiname) >= 4) { | |
1061 | strcpy(sbiname + strlen(sbiname) - 4, ".sbi"); | |
1062 | } | |
1063 | else { | |
1064 | return -1; | |
1065 | } | |
1066 | ||
1067 | fseek(cdHandle, 0, SEEK_END); | |
1068 | s = ftell(cdHandle) / 2352; | |
1069 | ||
1070 | return LoadSBI(sbiname, s); | |
1071 | } | |
1072 | ||
77160d47 | 1073 | static int cdread_normal(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1074 | { |
77160d47 | 1075 | fseek(f, base + sector * CD_FRAMESIZE_RAW, SEEK_SET); |
81abe4d5 | 1076 | return fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1077 | } |
1078 | ||
77160d47 | 1079 | static int cdread_sub_mixed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1080 | { |
1081 | int ret; | |
1082 | ||
77160d47 | 1083 | fseek(f, base + sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET); |
81abe4d5 | 1084 | ret = fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1085 | fread(subbuffer, 1, SUB_FRAMESIZE, f); |
1086 | ||
1087 | if (subChanRaw) DecodeRawSubData(); | |
1088 | ||
1089 | return ret; | |
1090 | } | |
1091 | ||
2dd6a826 | 1092 | static int uncompress2_pcsx(void *out, unsigned long *out_size, void *in, unsigned long in_size) |
9a92bffb | 1093 | { |
1094 | static z_stream z; | |
1095 | int ret = 0; | |
1096 | ||
1097 | if (z.zalloc == NULL) { | |
1098 | // XXX: one-time leak here.. | |
1099 | z.next_in = Z_NULL; | |
1100 | z.avail_in = 0; | |
1101 | z.zalloc = Z_NULL; | |
1102 | z.zfree = Z_NULL; | |
1103 | z.opaque = Z_NULL; | |
1104 | ret = inflateInit2(&z, -15); | |
1105 | } | |
1106 | else | |
1107 | ret = inflateReset(&z); | |
1108 | if (ret != Z_OK) | |
1109 | return ret; | |
1110 | ||
1111 | z.next_in = in; | |
1112 | z.avail_in = in_size; | |
1113 | z.next_out = out; | |
1114 | z.avail_out = *out_size; | |
1115 | ||
1116 | ret = inflate(&z, Z_NO_FLUSH); | |
1117 | //inflateEnd(&z); | |
1118 | ||
1119 | *out_size -= z.avail_out; | |
1120 | return ret == 1 ? 0 : ret; | |
1121 | } | |
1122 | ||
77160d47 | 1123 | static int cdread_compressed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1124 | { |
0877957a | 1125 | unsigned long cdbuffer_size, cdbuffer_size_expect; |
cc376814 | 1126 | unsigned int size; |
0877957a | 1127 | int is_compressed; |
cc376814 | 1128 | off_t start_byte; |
9a92bffb | 1129 | int ret, block; |
1130 | ||
77160d47 | 1131 | if (base) |
1132 | sector += base / 2352; | |
1133 | ||
0877957a | 1134 | block = sector >> compr_img->block_shift; |
1135 | compr_img->sector_in_blk = sector & ((1 << compr_img->block_shift) - 1); | |
9a92bffb | 1136 | |
1137 | if (block == compr_img->current_block) { | |
1138 | //printf("hit sect %d\n", sector); | |
1139 | goto finish; | |
1140 | } | |
1141 | ||
1142 | if (sector >= compr_img->index_len * 16) { | |
f29fbd53 | 1143 | SysPrintf("sector %d is past img end\n", sector); |
9a92bffb | 1144 | return -1; |
1145 | } | |
1146 | ||
cc376814 | 1147 | start_byte = compr_img->index_table[block] & ~OFF_T_MSB; |
1148 | if (fseeko(cdHandle, start_byte, SEEK_SET) != 0) { | |
1149 | SysPrintf("seek error for block %d at %llx: ", | |
1150 | block, (long long)start_byte); | |
9a92bffb | 1151 | perror(NULL); |
1152 | return -1; | |
1153 | } | |
1154 | ||
cc376814 | 1155 | is_compressed = !(compr_img->index_table[block] & OFF_T_MSB); |
1156 | size = (compr_img->index_table[block + 1] & ~OFF_T_MSB) - start_byte; | |
9a92bffb | 1157 | if (size > sizeof(compr_img->buff_compressed)) { |
f29fbd53 | 1158 | SysPrintf("block %d is too large: %u\n", block, size); |
9a92bffb | 1159 | return -1; |
1160 | } | |
1161 | ||
0877957a | 1162 | if (fread(is_compressed ? compr_img->buff_compressed : compr_img->buff_raw[0], |
1163 | 1, size, cdHandle) != size) { | |
f29fbd53 | 1164 | SysPrintf("read error for block %d at %x: ", block, start_byte); |
9a92bffb | 1165 | perror(NULL); |
1166 | return -1; | |
1167 | } | |
1168 | ||
0877957a | 1169 | if (is_compressed) { |
1170 | cdbuffer_size_expect = sizeof(compr_img->buff_raw[0]) << compr_img->block_shift; | |
1171 | cdbuffer_size = cdbuffer_size_expect; | |
2dd6a826 | 1172 | ret = uncompress2_pcsx(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size); |
0877957a | 1173 | if (ret != 0) { |
f29fbd53 | 1174 | SysPrintf("uncompress failed with %d for block %d, sector %d\n", |
0877957a | 1175 | ret, block, sector); |
1176 | return -1; | |
1177 | } | |
1178 | if (cdbuffer_size != cdbuffer_size_expect) | |
f29fbd53 | 1179 | SysPrintf("cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size, |
0877957a | 1180 | cdbuffer_size_expect, sector); |
9a92bffb | 1181 | } |
9a92bffb | 1182 | |
1183 | // done at last! | |
1184 | compr_img->current_block = block; | |
1185 | ||
1186 | finish: | |
1187 | if (dest != cdbuffer) // copy avoid HACK | |
81abe4d5 | 1188 | memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk], |
1189 | CD_FRAMESIZE_RAW); | |
1190 | return CD_FRAMESIZE_RAW; | |
9a92bffb | 1191 | } |
1192 | ||
77160d47 | 1193 | static int cdread_2048(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1194 | { |
1195 | int ret; | |
1196 | ||
77160d47 | 1197 | fseek(f, base + sector * 2048, SEEK_SET); |
81abe4d5 | 1198 | ret = fread((char *)dest + 12 * 2, 1, 2048, f); |
9a92bffb | 1199 | |
1200 | // not really necessary, fake mode 2 header | |
81abe4d5 | 1201 | memset(cdbuffer, 0, 12 * 2); |
1202 | sec2msf(sector + 2 * 75, (char *)&cdbuffer[12]); | |
1203 | cdbuffer[12 + 3] = 1; | |
9a92bffb | 1204 | |
1205 | return ret; | |
1206 | } | |
1207 | ||
1208 | static unsigned char * CALLBACK ISOgetBuffer_compr(void) { | |
1209 | return compr_img->buff_raw[compr_img->sector_in_blk] + 12; | |
1210 | } | |
1211 | ||
1212 | static unsigned char * CALLBACK ISOgetBuffer(void) { | |
81abe4d5 | 1213 | return cdbuffer + 12; |
9a92bffb | 1214 | } |
1215 | ||
ef79bbde P |
1216 | static void PrintTracks(void) { |
1217 | int i; | |
1218 | ||
1219 | for (i = 1; i <= numtracks; i++) { | |
1220 | SysPrintf(_("Track %.2d (%s) - Start %.2d:%.2d:%.2d, Length %.2d:%.2d:%.2d\n"), | |
1221 | i, (ti[i].type == DATA ? "DATA" : "AUDIO"), | |
1222 | ti[i].start[0], ti[i].start[1], ti[i].start[2], | |
1223 | ti[i].length[0], ti[i].length[1], ti[i].length[2]); | |
1224 | } | |
1225 | } | |
1226 | ||
1227 | // This function is invoked by the front-end when opening an ISO | |
1228 | // file for playback | |
1229 | static long CALLBACK ISOopen(void) { | |
9a92bffb | 1230 | boolean isMode1ISO = FALSE; |
689e0447 | 1231 | char alt_bin_filename[MAXPATHLEN]; |
1232 | const char *bin_filename; | |
9a92bffb | 1233 | |
ef79bbde P |
1234 | if (cdHandle != NULL) { |
1235 | return 0; // it's already open | |
1236 | } | |
1237 | ||
1238 | cdHandle = fopen(GetIsoFile(), "rb"); | |
1239 | if (cdHandle == NULL) { | |
2e058581 | 1240 | SysPrintf(_("Could't open '%s' for reading: %s\n"), |
1241 | GetIsoFile(), strerror(errno)); | |
ef79bbde P |
1242 | return -1; |
1243 | } | |
1244 | ||
1245 | SysPrintf(_("Loaded CD Image: %s"), GetIsoFile()); | |
1246 | ||
1247 | cddaBigEndian = FALSE; | |
1248 | subChanMixed = FALSE; | |
1249 | subChanRaw = FALSE; | |
8aa91443 | 1250 | pregapOffset = 0; |
0c2871a7 | 1251 | cdrIsoMultidiskCount = 1; |
deebc67f | 1252 | multifile = 0; |
ef79bbde | 1253 | |
9a92bffb | 1254 | CDR_getBuffer = ISOgetBuffer; |
1255 | cdimg_read_func = cdread_normal; | |
1256 | ||
92f43ab0 | 1257 | if (parsetoc(GetIsoFile()) == 0) { |
ef79bbde P |
1258 | SysPrintf("[+toc]"); |
1259 | } | |
1260 | else if (parseccd(GetIsoFile()) == 0) { | |
1261 | SysPrintf("[+ccd]"); | |
1262 | } | |
1263 | else if (parsemds(GetIsoFile()) == 0) { | |
1264 | SysPrintf("[+mds]"); | |
1265 | } | |
92f43ab0 | 1266 | else if (parsecue(GetIsoFile()) == 0) { |
1267 | SysPrintf("[+cue]"); | |
1268 | } | |
0877957a | 1269 | if (handlepbp(GetIsoFile()) == 0) { |
9a92bffb | 1270 | SysPrintf("[pbp]"); |
1271 | CDR_getBuffer = ISOgetBuffer_compr; | |
1272 | cdimg_read_func = cdread_compressed; | |
1273 | } | |
0877957a | 1274 | else if (handlecbin(GetIsoFile()) == 0) { |
1275 | SysPrintf("[cbin]"); | |
1276 | CDR_getBuffer = ISOgetBuffer_compr; | |
1277 | cdimg_read_func = cdread_compressed; | |
1278 | } | |
ef79bbde P |
1279 | |
1280 | if (!subChanMixed && opensubfile(GetIsoFile()) == 0) { | |
1281 | SysPrintf("[+sub]"); | |
1282 | } | |
ae4e7dc9 | 1283 | if (opensbifile(GetIsoFile()) == 0) { |
1284 | SysPrintf("[+sbi]"); | |
1285 | } | |
ef79bbde | 1286 | |
cc376814 | 1287 | fseeko(cdHandle, 0, SEEK_END); |
c9e5423e | 1288 | |
1289 | // maybe user selected metadata file instead of main .bin .. | |
689e0447 | 1290 | bin_filename = GetIsoFile(); |
cc376814 | 1291 | if (ftello(cdHandle) < 2352 * 0x10) { |
c9e5423e | 1292 | static const char *exts[] = { ".bin", ".BIN", ".img", ".IMG" }; |
689e0447 | 1293 | FILE *tmpf = NULL; |
c9e5423e | 1294 | size_t i; |
689e0447 | 1295 | char *p; |
c9e5423e | 1296 | |
689e0447 | 1297 | strncpy(alt_bin_filename, bin_filename, sizeof(alt_bin_filename)); |
1298 | alt_bin_filename[MAXPATHLEN - 1] = '\0'; | |
1299 | if (strlen(alt_bin_filename) >= 4) { | |
1300 | p = alt_bin_filename + strlen(alt_bin_filename) - 4; | |
c9e5423e | 1301 | for (i = 0; i < sizeof(exts) / sizeof(exts[0]); i++) { |
1302 | strcpy(p, exts[i]); | |
689e0447 | 1303 | tmpf = fopen(alt_bin_filename, "rb"); |
1304 | if (tmpf != NULL) | |
c9e5423e | 1305 | break; |
c9e5423e | 1306 | } |
1307 | } | |
689e0447 | 1308 | if (tmpf != NULL) { |
1309 | bin_filename = alt_bin_filename; | |
1310 | fclose(cdHandle); | |
1311 | cdHandle = tmpf; | |
cc376814 | 1312 | fseeko(cdHandle, 0, SEEK_END); |
689e0447 | 1313 | } |
c9e5423e | 1314 | } |
1315 | ||
1316 | // guess whether it is mode1/2048 | |
cc376814 | 1317 | if (ftello(cdHandle) % 2048 == 0) { |
9a92bffb | 1318 | unsigned int modeTest = 0; |
1319 | fseek(cdHandle, 0, SEEK_SET); | |
1320 | fread(&modeTest, 4, 1, cdHandle); | |
1321 | if (SWAP32(modeTest) != 0xffffff00) { | |
1322 | SysPrintf("[2048]"); | |
1323 | isMode1ISO = TRUE; | |
1324 | } | |
1325 | } | |
1326 | fseek(cdHandle, 0, SEEK_SET); | |
1327 | ||
ef79bbde P |
1328 | SysPrintf(".\n"); |
1329 | ||
1330 | PrintTracks(); | |
1331 | ||
9a92bffb | 1332 | if (subChanMixed) |
1333 | cdimg_read_func = cdread_sub_mixed; | |
1334 | else if (isMode1ISO) | |
1335 | cdimg_read_func = cdread_2048; | |
1336 | ||
38b8102c | 1337 | // make sure we have another handle open for cdda |
1338 | if (numtracks > 1 && ti[1].handle == NULL) { | |
689e0447 | 1339 | ti[1].handle = fopen(bin_filename, "rb"); |
38b8102c | 1340 | } |
77160d47 | 1341 | cdda_cur_sector = 0; |
1342 | cdda_file_offset = 0; | |
38b8102c | 1343 | |
ef79bbde P |
1344 | return 0; |
1345 | } | |
1346 | ||
1347 | static long CALLBACK ISOclose(void) { | |
38b8102c | 1348 | int i; |
1349 | ||
ef79bbde P |
1350 | if (cdHandle != NULL) { |
1351 | fclose(cdHandle); | |
1352 | cdHandle = NULL; | |
1353 | } | |
1354 | if (subHandle != NULL) { | |
1355 | fclose(subHandle); | |
1356 | subHandle = NULL; | |
1357 | } | |
1358 | stopCDDA(); | |
38b8102c | 1359 | cddaHandle = NULL; |
1360 | ||
9a92bffb | 1361 | if (compr_img != NULL) { |
1362 | free(compr_img->index_table); | |
1363 | free(compr_img); | |
1364 | compr_img = NULL; | |
1365 | } | |
1366 | ||
38b8102c | 1367 | for (i = 1; i <= numtracks; i++) { |
1368 | if (ti[i].handle != NULL) { | |
1369 | fclose(ti[i].handle); | |
1370 | ti[i].handle = NULL; | |
1371 | } | |
1372 | } | |
1373 | numtracks = 0; | |
c0ee7ac6 | 1374 | ti[1].type = 0; |
ae4e7dc9 | 1375 | UnloadSBI(); |
38b8102c | 1376 | |
c0ee7ac6 | 1377 | memset(cdbuffer, 0, sizeof(cdbuffer)); |
1378 | CDR_getBuffer = ISOgetBuffer; | |
1379 | ||
38b8102c | 1380 | return 0; |
1381 | } | |
1382 | ||
1383 | static long CALLBACK ISOinit(void) { | |
1384 | assert(cdHandle == NULL); | |
1385 | assert(subHandle == NULL); | |
1386 | ||
1387 | return 0; // do nothing | |
1388 | } | |
1389 | ||
1390 | static long CALLBACK ISOshutdown(void) { | |
1391 | ISOclose(); | |
ef79bbde P |
1392 | return 0; |
1393 | } | |
1394 | ||
1395 | // return Starting and Ending Track | |
1396 | // buffer: | |
1397 | // byte 0 - start track | |
1398 | // byte 1 - end track | |
1399 | static long CALLBACK ISOgetTN(unsigned char *buffer) { | |
1400 | buffer[0] = 1; | |
1401 | ||
1402 | if (numtracks > 0) { | |
1403 | buffer[1] = numtracks; | |
1404 | } | |
1405 | else { | |
1406 | buffer[1] = 1; | |
1407 | } | |
1408 | ||
1409 | return 0; | |
1410 | } | |
1411 | ||
1412 | // return Track Time | |
1413 | // buffer: | |
1414 | // byte 0 - frame | |
1415 | // byte 1 - second | |
1416 | // byte 2 - minute | |
1417 | static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) { | |
858ad511 | 1418 | if (track == 0) { |
858ad511 | 1419 | unsigned int sect; |
1420 | unsigned char time[3]; | |
1421 | sect = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length); | |
ab948f7e | 1422 | sec2msf(sect, (char *)time); |
858ad511 | 1423 | buffer[2] = time[0]; |
1424 | buffer[1] = time[1]; | |
1425 | buffer[0] = time[2]; | |
1426 | } | |
1427 | else if (numtracks > 0 && track <= numtracks) { | |
ef79bbde P |
1428 | buffer[2] = ti[track].start[0]; |
1429 | buffer[1] = ti[track].start[1]; | |
1430 | buffer[0] = ti[track].start[2]; | |
1431 | } | |
1432 | else { | |
1433 | buffer[2] = 0; | |
1434 | buffer[1] = 2; | |
1435 | buffer[0] = 0; | |
1436 | } | |
1437 | ||
1438 | return 0; | |
1439 | } | |
1440 | ||
1441 | // decode 'raw' subchannel data ripped by cdrdao | |
1442 | static void DecodeRawSubData(void) { | |
1443 | unsigned char subQData[12]; | |
1444 | int i; | |
1445 | ||
1446 | memset(subQData, 0, sizeof(subQData)); | |
1447 | ||
1448 | for (i = 0; i < 8 * 12; i++) { | |
1449 | if (subbuffer[i] & (1 << 6)) { // only subchannel Q is needed | |
1450 | subQData[i >> 3] |= (1 << (7 - (i & 7))); | |
1451 | } | |
1452 | } | |
1453 | ||
1454 | memcpy(&subbuffer[12], subQData, 12); | |
1455 | } | |
1456 | ||
1457 | // read track | |
1458 | // time: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1459 | // uses bcd format | |
1460 | static long CALLBACK ISOreadTrack(unsigned char *time) { | |
19c03d80 | 1461 | int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])); |
c0ee7ac6 | 1462 | long ret; |
19c03d80 | 1463 | |
ef79bbde P |
1464 | if (cdHandle == NULL) { |
1465 | return -1; | |
1466 | } | |
1467 | ||
8aa91443 | 1468 | if (pregapOffset) { |
1469 | subChanMissing = FALSE; | |
1470 | if (sector >= pregapOffset) { | |
1471 | sector -= 2 * 75; | |
1472 | if (sector < pregapOffset) | |
1473 | subChanMissing = TRUE; | |
1474 | } | |
1475 | } | |
1476 | ||
c0ee7ac6 | 1477 | ret = cdimg_read_func(cdHandle, 0, cdbuffer, sector); |
1478 | if (ret < 0) | |
1479 | return -1; | |
ef79bbde | 1480 | |
9a92bffb | 1481 | if (subHandle != NULL) { |
1482 | fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET); | |
1483 | fread(subbuffer, 1, SUB_FRAMESIZE, subHandle); | |
ef79bbde | 1484 | |
9a92bffb | 1485 | if (subChanRaw) DecodeRawSubData(); |
ef79bbde P |
1486 | } |
1487 | ||
1488 | return 0; | |
1489 | } | |
1490 | ||
ef79bbde P |
1491 | // plays cdda audio |
1492 | // sector: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1493 | // does NOT uses bcd format | |
1494 | static long CALLBACK ISOplay(unsigned char *time) { | |
77160d47 | 1495 | unsigned int i; |
38b8102c | 1496 | |
7b8da7ab | 1497 | if (numtracks <= 1) |
1498 | return 0; | |
1499 | ||
38b8102c | 1500 | // find the track |
77160d47 | 1501 | cdda_cur_sector = msf2sec((char *)time); |
2058d51f | 1502 | for (i = numtracks; i > 1; i--) { |
77160d47 | 1503 | cdda_first_sector = msf2sec(ti[i].start); |
1504 | if (cdda_first_sector <= cdda_cur_sector + 2 * 75) | |
38b8102c | 1505 | break; |
2058d51f | 1506 | } |
77160d47 | 1507 | cdda_file_offset = ti[i].start_offset; |
19c03d80 | 1508 | |
38b8102c | 1509 | // find the file that contains this track |
1510 | for (; i > 1; i--) | |
1511 | if (ti[i].handle != NULL) | |
1512 | break; | |
1513 | ||
2058d51f | 1514 | cddaHandle = ti[i].handle; |
8aa91443 | 1515 | |
77160d47 | 1516 | if (SPU_playCDDAchannel != NULL) |
1517 | startCDDA(); | |
1518 | ||
ef79bbde P |
1519 | return 0; |
1520 | } | |
1521 | ||
1522 | // stops cdda audio | |
1523 | static long CALLBACK ISOstop(void) { | |
1524 | stopCDDA(); | |
1525 | return 0; | |
1526 | } | |
1527 | ||
1528 | // gets subchannel data | |
1529 | static unsigned char* CALLBACK ISOgetBufferSub(void) { | |
8aa91443 | 1530 | if ((subHandle != NULL || subChanMixed) && !subChanMissing) { |
ef79bbde P |
1531 | return subbuffer; |
1532 | } | |
1533 | ||
1534 | return NULL; | |
1535 | } | |
1536 | ||
1537 | static long CALLBACK ISOgetStatus(struct CdrStat *stat) { | |
deebc67f | 1538 | u32 sect; |
1539 | ||
ef79bbde | 1540 | CDR__getStatus(stat); |
deebc67f | 1541 | |
ef79bbde P |
1542 | if (playing) { |
1543 | stat->Type = 0x02; | |
1544 | stat->Status |= 0x80; | |
ef79bbde P |
1545 | } |
1546 | else { | |
deebc67f | 1547 | // BIOS - boot ID (CD type) |
1548 | stat->Type = ti[1].type; | |
1549 | } | |
1550 | ||
1551 | // relative -> absolute time | |
1552 | sect = cddaCurPos; | |
1553 | sec2msf(sect, (char *)stat->Time); | |
1554 | ||
1555 | return 0; | |
1556 | } | |
1557 | ||
1558 | // read CDDA sector into buffer | |
1559 | long CALLBACK ISOreadCDDA(unsigned char m, unsigned char s, unsigned char f, unsigned char *buffer) { | |
1560 | unsigned char msf[3] = {m, s, f}; | |
1561 | unsigned int file, track, track_start = 0; | |
1562 | int ret; | |
1563 | ||
1564 | cddaCurPos = msf2sec((char *)msf); | |
1565 | ||
1566 | // find current track index | |
1567 | for (track = numtracks; ; track--) { | |
1568 | track_start = msf2sec(ti[track].start); | |
1569 | if (track_start <= cddaCurPos) | |
1570 | break; | |
1571 | if (track == 1) | |
1572 | break; | |
1573 | } | |
1574 | ||
1575 | // data tracks play silent | |
1576 | if (ti[track].type != CDDA) { | |
1577 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
1578 | return 0; | |
1579 | } | |
1580 | ||
1581 | file = 1; | |
1582 | if (multifile) { | |
1583 | // find the file that contains this track | |
1584 | for (file = track; file > 1; file--) | |
1585 | if (ti[file].handle != NULL) | |
1586 | break; | |
ef79bbde P |
1587 | } |
1588 | ||
deebc67f | 1589 | ret = cdimg_read_func(ti[file].handle, ti[track].start_offset, |
1590 | buffer, cddaCurPos - track_start); | |
1591 | if (ret != CD_FRAMESIZE_RAW) { | |
1592 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
1593 | return -1; | |
1594 | } | |
1595 | ||
1596 | if (cddaBigEndian) { | |
1597 | int i; | |
1598 | unsigned char tmp; | |
1599 | ||
1600 | for (i = 0; i < CD_FRAMESIZE_RAW / 2; i++) { | |
1601 | tmp = buffer[i * 2]; | |
1602 | buffer[i * 2] = buffer[i * 2 + 1]; | |
1603 | buffer[i * 2 + 1] = tmp; | |
1604 | } | |
1605 | } | |
858ad511 | 1606 | |
ef79bbde P |
1607 | return 0; |
1608 | } | |
1609 | ||
1610 | void cdrIsoInit(void) { | |
1611 | CDR_init = ISOinit; | |
1612 | CDR_shutdown = ISOshutdown; | |
1613 | CDR_open = ISOopen; | |
1614 | CDR_close = ISOclose; | |
1615 | CDR_getTN = ISOgetTN; | |
1616 | CDR_getTD = ISOgetTD; | |
1617 | CDR_readTrack = ISOreadTrack; | |
1618 | CDR_getBuffer = ISOgetBuffer; | |
1619 | CDR_play = ISOplay; | |
1620 | CDR_stop = ISOstop; | |
1621 | CDR_getBufferSub = ISOgetBufferSub; | |
1622 | CDR_getStatus = ISOgetStatus; | |
deebc67f | 1623 | CDR_readCDDA = ISOreadCDDA; |
ef79bbde P |
1624 | |
1625 | CDR_getDriveLetter = CDR__getDriveLetter; | |
1626 | CDR_configure = CDR__configure; | |
1627 | CDR_test = CDR__test; | |
1628 | CDR_about = CDR__about; | |
1629 | CDR_setfilename = CDR__setfilename; | |
1630 | ||
1631 | numtracks = 0; | |
1632 | } | |
1633 | ||
1634 | int cdrIsoActive(void) { | |
1635 | return (cdHandle != NULL); | |
1636 | } |