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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 P |
27 | |
28 | #ifdef _WIN32 | |
29 | #include <process.h> | |
30 | #include <windows.h> | |
deebc67f | 31 | #define strcasecmp _stricmp |
ef79bbde P |
32 | #else |
33 | #include <pthread.h> | |
34 | #include <sys/time.h> | |
349f7d81 | 35 | #include <unistd.h> |
ef79bbde | 36 | #endif |
9a92bffb | 37 | #include <zlib.h> |
ef79bbde | 38 | |
0c2871a7 | 39 | unsigned int cdrIsoMultidiskCount; |
40 | unsigned int cdrIsoMultidiskSelect; | |
41 | ||
ef79bbde P |
42 | static FILE *cdHandle = NULL; |
43 | static FILE *cddaHandle = NULL; | |
44 | static FILE *subHandle = NULL; | |
45 | ||
46 | static boolean subChanMixed = FALSE; | |
47 | static boolean subChanRaw = FALSE; | |
8aa91443 | 48 | static boolean subChanMissing = FALSE; |
ef79bbde | 49 | |
deebc67f | 50 | static boolean multifile = FALSE; |
51 | ||
81abe4d5 | 52 | static unsigned char cdbuffer[CD_FRAMESIZE_RAW]; |
ef79bbde P |
53 | static unsigned char subbuffer[SUB_FRAMESIZE]; |
54 | ||
55 | static unsigned char sndbuffer[CD_FRAMESIZE_RAW * 10]; | |
56 | ||
57 | #define CDDA_FRAMETIME (1000 * (sizeof(sndbuffer) / CD_FRAMESIZE_RAW) / 75) | |
58 | ||
59 | #ifdef _WIN32 | |
60 | static HANDLE threadid; | |
61 | #else | |
62 | static pthread_t threadid; | |
63 | #endif | |
64 | static unsigned int initial_offset = 0; | |
38b8102c | 65 | static boolean playing = FALSE; |
ef79bbde | 66 | static boolean cddaBigEndian = FALSE; |
77160d47 | 67 | // cdda sectors in toc, byte offset in file |
9a92bffb | 68 | static unsigned int cdda_cur_sector; |
2058d51f | 69 | static unsigned int cdda_first_sector; |
77160d47 | 70 | static unsigned int cdda_file_offset; |
8aa91443 | 71 | /* Frame offset into CD image where pregap data would be found if it was there. |
72 | * If a game seeks there we must *not* return subchannel data since it's | |
73 | * not in the CD image, so that cdrom code can fake subchannel data instead. | |
74 | * XXX: there could be multiple pregaps but PSX dumps only have one? */ | |
75 | static unsigned int pregapOffset; | |
ef79bbde | 76 | |
deebc67f | 77 | #define cddaCurPos cdda_cur_sector |
78 | ||
9a92bffb | 79 | // compressed image stuff |
80 | static struct { | |
81 | unsigned char buff_raw[16][CD_FRAMESIZE_RAW]; | |
82 | unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100]; | |
83 | unsigned int *index_table; | |
84 | unsigned int index_len; | |
0877957a | 85 | unsigned int block_shift; |
9a92bffb | 86 | unsigned int current_block; |
87 | unsigned int sector_in_blk; | |
88 | } *compr_img; | |
89 | ||
77160d47 | 90 | int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector); |
9a92bffb | 91 | |
ef79bbde P |
92 | char* CALLBACK CDR__getDriveLetter(void); |
93 | long CALLBACK CDR__configure(void); | |
94 | long CALLBACK CDR__test(void); | |
95 | void CALLBACK CDR__about(void); | |
96 | long CALLBACK CDR__setfilename(char *filename); | |
97 | long CALLBACK CDR__getStatus(struct CdrStat *stat); | |
98 | ||
19c03d80 | 99 | static void DecodeRawSubData(void); |
100 | ||
ef79bbde | 101 | struct trackinfo { |
deebc67f | 102 | enum {DATA=1, CDDA} type; |
ef79bbde P |
103 | char start[3]; // MSF-format |
104 | char length[3]; // MSF-format | |
38b8102c | 105 | FILE *handle; // for multi-track images CDDA |
77160d47 | 106 | unsigned int start_offset; // byte offset from start of above file |
ef79bbde P |
107 | }; |
108 | ||
109 | #define MAXTRACKS 100 /* How many tracks can a CD hold? */ | |
110 | ||
111 | static int numtracks = 0; | |
112 | static struct trackinfo ti[MAXTRACKS]; | |
113 | ||
114 | // get a sector from a msf-array | |
115 | static unsigned int msf2sec(char *msf) { | |
116 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; | |
117 | } | |
118 | ||
119 | static void sec2msf(unsigned int s, char *msf) { | |
120 | msf[0] = s / 75 / 60; | |
121 | s = s - msf[0] * 75 * 60; | |
122 | msf[1] = s / 75; | |
123 | s = s - msf[1] * 75; | |
124 | msf[2] = s; | |
125 | } | |
126 | ||
127 | // divide a string of xx:yy:zz into m, s, f | |
128 | static void tok2msf(char *time, char *msf) { | |
129 | char *token; | |
130 | ||
131 | token = strtok(time, ":"); | |
132 | if (token) { | |
133 | msf[0] = atoi(token); | |
134 | } | |
135 | else { | |
136 | msf[0] = 0; | |
137 | } | |
138 | ||
139 | token = strtok(NULL, ":"); | |
140 | if (token) { | |
141 | msf[1] = atoi(token); | |
142 | } | |
143 | else { | |
144 | msf[1] = 0; | |
145 | } | |
146 | ||
147 | token = strtok(NULL, ":"); | |
148 | if (token) { | |
149 | msf[2] = atoi(token); | |
150 | } | |
151 | else { | |
152 | msf[2] = 0; | |
153 | } | |
154 | } | |
155 | ||
156 | #ifndef _WIN32 | |
157 | static long GetTickCount(void) { | |
158 | static time_t initial_time = 0; | |
159 | struct timeval now; | |
160 | ||
161 | gettimeofday(&now, NULL); | |
162 | ||
163 | if (initial_time == 0) { | |
164 | initial_time = now.tv_sec; | |
165 | } | |
166 | ||
167 | return (now.tv_sec - initial_time) * 1000L + now.tv_usec / 1000L; | |
168 | } | |
169 | #endif | |
170 | ||
171 | // this thread plays audio data | |
172 | #ifdef _WIN32 | |
173 | static void playthread(void *param) | |
174 | #else | |
175 | static void *playthread(void *param) | |
176 | #endif | |
177 | { | |
983a7cfd | 178 | long osleep, d, t, i, s; |
ef79bbde | 179 | unsigned char tmp; |
77160d47 | 180 | int ret = 0, sector_offs; |
ef79bbde P |
181 | |
182 | t = GetTickCount(); | |
183 | ||
184 | while (playing) { | |
9a92bffb | 185 | s = 0; |
186 | for (i = 0; i < sizeof(sndbuffer) / CD_FRAMESIZE_RAW; i++) { | |
77160d47 | 187 | sector_offs = cdda_cur_sector - cdda_first_sector; |
188 | if (sector_offs < 0) { | |
189 | d = CD_FRAMESIZE_RAW; | |
190 | memset(sndbuffer + s, 0, d); | |
191 | } | |
192 | else { | |
193 | d = cdimg_read_func(cddaHandle, cdda_file_offset, | |
194 | sndbuffer + s, sector_offs); | |
195 | if (d < CD_FRAMESIZE_RAW) | |
196 | break; | |
197 | } | |
2058d51f | 198 | |
9a92bffb | 199 | s += d; |
200 | cdda_cur_sector++; | |
ef79bbde | 201 | } |
19c03d80 | 202 | |
ef79bbde P |
203 | if (s == 0) { |
204 | playing = FALSE; | |
ef79bbde P |
205 | initial_offset = 0; |
206 | break; | |
207 | } | |
208 | ||
209 | if (!cdr.Muted && playing) { | |
210 | if (cddaBigEndian) { | |
211 | for (i = 0; i < s / 2; i++) { | |
212 | tmp = sndbuffer[i * 2]; | |
213 | sndbuffer[i * 2] = sndbuffer[i * 2 + 1]; | |
214 | sndbuffer[i * 2 + 1] = tmp; | |
215 | } | |
216 | } | |
217 | ||
53598a71 | 218 | // can't do it yet due to readahead.. |
219 | //cdrAttenuate((short *)sndbuffer, s / 4, 1); | |
983a7cfd | 220 | do { |
221 | ret = SPU_playCDDAchannel((short *)sndbuffer, s); | |
222 | if (ret == 0x7761) | |
223 | usleep(6 * 1000); | |
224 | } while (ret == 0x7761 && playing); // rearmed_wait | |
ef79bbde | 225 | } |
983a7cfd | 226 | |
227 | if (ret != 0x676f) { // !rearmed_go | |
228 | // do approx sleep | |
229 | long now; | |
230 | ||
231 | // HACK: stop feeding data while emu is paused | |
232 | extern int stop; | |
233 | while (stop && playing) | |
234 | usleep(10000); | |
235 | ||
236 | now = GetTickCount(); | |
237 | osleep = t - now; | |
238 | if (osleep <= 0) { | |
239 | osleep = 1; | |
240 | t = now; | |
241 | } | |
242 | else if (osleep > CDDA_FRAMETIME) { | |
243 | osleep = CDDA_FRAMETIME; | |
244 | t = now; | |
245 | } | |
246 | ||
247 | usleep(osleep * 1000); | |
248 | t += CDDA_FRAMETIME; | |
249 | } | |
250 | ||
ef79bbde P |
251 | } |
252 | ||
253 | #ifdef _WIN32 | |
254 | _endthread(); | |
255 | #else | |
256 | pthread_exit(0); | |
257 | return NULL; | |
258 | #endif | |
259 | } | |
260 | ||
261 | // stop the CDDA playback | |
262 | static void stopCDDA() { | |
263 | if (!playing) { | |
264 | return; | |
265 | } | |
266 | ||
267 | playing = FALSE; | |
268 | #ifdef _WIN32 | |
269 | WaitForSingleObject(threadid, INFINITE); | |
270 | #else | |
271 | pthread_join(threadid, NULL); | |
272 | #endif | |
ef79bbde P |
273 | } |
274 | ||
275 | // start the CDDA playback | |
77160d47 | 276 | static void startCDDA(void) { |
ef79bbde | 277 | if (playing) { |
ef79bbde P |
278 | stopCDDA(); |
279 | } | |
280 | ||
ef79bbde P |
281 | playing = TRUE; |
282 | ||
283 | #ifdef _WIN32 | |
284 | threadid = (HANDLE)_beginthread(playthread, 0, NULL); | |
285 | #else | |
286 | pthread_create(&threadid, NULL, playthread, NULL); | |
287 | #endif | |
288 | } | |
289 | ||
290 | // this function tries to get the .toc file of the given .bin | |
291 | // the necessary data is put into the ti (trackinformation)-array | |
292 | static int parsetoc(const char *isofile) { | |
293 | char tocname[MAXPATHLEN]; | |
294 | FILE *fi; | |
e999be41 | 295 | char linebuf[256], tmp[256], name[256]; |
ef79bbde P |
296 | char *token; |
297 | char time[20], time2[20]; | |
e999be41 | 298 | unsigned int t, sector_offs, sector_size; |
299 | unsigned int current_zero_gap = 0; | |
ef79bbde P |
300 | |
301 | numtracks = 0; | |
302 | ||
303 | // copy name of the iso and change extension from .bin to .toc | |
304 | strncpy(tocname, isofile, sizeof(tocname)); | |
305 | tocname[MAXPATHLEN - 1] = '\0'; | |
306 | if (strlen(tocname) >= 4) { | |
307 | strcpy(tocname + strlen(tocname) - 4, ".toc"); | |
308 | } | |
309 | else { | |
310 | return -1; | |
311 | } | |
312 | ||
313 | if ((fi = fopen(tocname, "r")) == NULL) { | |
314 | // try changing extension to .cue (to satisfy some stupid tutorials) | |
315 | strcpy(tocname + strlen(tocname) - 4, ".cue"); | |
316 | if ((fi = fopen(tocname, "r")) == NULL) { | |
317 | // if filename is image.toc.bin, try removing .bin (for Brasero) | |
318 | strcpy(tocname, isofile); | |
319 | t = strlen(tocname); | |
320 | if (t >= 8 && strcmp(tocname + t - 8, ".toc.bin") == 0) { | |
321 | tocname[t - 4] = '\0'; | |
322 | if ((fi = fopen(tocname, "r")) == NULL) { | |
323 | return -1; | |
324 | } | |
325 | } | |
326 | else { | |
327 | return -1; | |
328 | } | |
329 | } | |
330 | } | |
331 | ||
332 | memset(&ti, 0, sizeof(ti)); | |
333 | cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio | |
334 | ||
e999be41 | 335 | sector_size = CD_FRAMESIZE_RAW; |
19c03d80 | 336 | sector_offs = 2 * 75; |
337 | ||
ef79bbde P |
338 | // parse the .toc file |
339 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
340 | // search for tracks | |
e999be41 | 341 | strncpy(tmp, linebuf, sizeof(linebuf)); |
342 | token = strtok(tmp, " "); | |
ef79bbde P |
343 | |
344 | if (token == NULL) continue; | |
345 | ||
346 | if (!strcmp(token, "TRACK")) { | |
e999be41 | 347 | sector_offs += current_zero_gap; |
348 | current_zero_gap = 0; | |
349 | ||
ef79bbde P |
350 | // get type of track |
351 | token = strtok(NULL, " "); | |
352 | numtracks++; | |
353 | ||
354 | if (!strncmp(token, "MODE2_RAW", 9)) { | |
355 | ti[numtracks].type = DATA; | |
356 | sec2msf(2 * 75, ti[numtracks].start); // assume data track on 0:2:0 | |
357 | ||
358 | // check if this image contains mixed subchannel data | |
359 | token = strtok(NULL, " "); | |
e999be41 | 360 | if (token != NULL && !strncmp(token, "RW", 2)) { |
361 | sector_size = CD_FRAMESIZE_RAW + SUB_FRAMESIZE; | |
ef79bbde | 362 | subChanMixed = TRUE; |
e999be41 | 363 | if (!strncmp(token, "RW_RAW", 6)) |
364 | subChanRaw = TRUE; | |
ef79bbde P |
365 | } |
366 | } | |
367 | else if (!strncmp(token, "AUDIO", 5)) { | |
368 | ti[numtracks].type = CDDA; | |
369 | } | |
370 | } | |
371 | else if (!strcmp(token, "DATAFILE")) { | |
372 | if (ti[numtracks].type == CDDA) { | |
373 | sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2); | |
19c03d80 | 374 | ti[numtracks].start_offset = t; |
e999be41 | 375 | t = t / sector_size + sector_offs; |
ef79bbde P |
376 | sec2msf(t, (char *)&ti[numtracks].start); |
377 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
378 | } | |
379 | else { | |
380 | sscanf(linebuf, "DATAFILE \"%[^\"]\" %8s", name, time); | |
381 | tok2msf((char *)&time, (char *)&ti[numtracks].length); | |
382 | } | |
383 | } | |
384 | else if (!strcmp(token, "FILE")) { | |
385 | sscanf(linebuf, "FILE \"%[^\"]\" #%d %8s %8s", name, &t, time, time2); | |
386 | tok2msf((char *)&time, (char *)&ti[numtracks].start); | |
e999be41 | 387 | t += msf2sec(ti[numtracks].start) * sector_size; |
19c03d80 | 388 | ti[numtracks].start_offset = t; |
e999be41 | 389 | t = t / sector_size + sector_offs; |
ef79bbde P |
390 | sec2msf(t, (char *)&ti[numtracks].start); |
391 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
392 | } | |
e999be41 | 393 | else if (!strcmp(token, "ZERO") || !strcmp(token, "SILENCE")) { |
394 | // skip unneeded optional fields | |
395 | while (token != NULL) { | |
396 | token = strtok(NULL, " "); | |
397 | if (strchr(token, ':') != NULL) | |
398 | break; | |
399 | } | |
400 | if (token != NULL) { | |
401 | tok2msf(token, tmp); | |
402 | current_zero_gap = msf2sec(tmp); | |
403 | } | |
8aa91443 | 404 | if (numtracks > 1) { |
405 | t = ti[numtracks - 1].start_offset; | |
e999be41 | 406 | t /= sector_size; |
8aa91443 | 407 | pregapOffset = t + msf2sec(ti[numtracks - 1].length); |
408 | } | |
19c03d80 | 409 | } |
e999be41 | 410 | else if (!strcmp(token, "START")) { |
411 | token = strtok(NULL, " "); | |
412 | if (token != NULL && strchr(token, ':')) { | |
413 | tok2msf(token, tmp); | |
414 | t = msf2sec(tmp); | |
415 | ti[numtracks].start_offset += (t - current_zero_gap) * sector_size; | |
416 | t = msf2sec(ti[numtracks].start) + t; | |
417 | sec2msf(t, (char *)&ti[numtracks].start); | |
418 | } | |
419 | } | |
ef79bbde P |
420 | } |
421 | ||
422 | fclose(fi); | |
423 | ||
424 | return 0; | |
425 | } | |
426 | ||
427 | // this function tries to get the .cue file of the given .bin | |
428 | // the necessary data is put into the ti (trackinformation)-array | |
429 | static int parsecue(const char *isofile) { | |
430 | char cuename[MAXPATHLEN]; | |
38b8102c | 431 | char filepath[MAXPATHLEN]; |
432 | char *incue_fname; | |
ef79bbde P |
433 | FILE *fi; |
434 | char *token; | |
435 | char time[20]; | |
436 | char *tmp; | |
19c03d80 | 437 | char linebuf[256], tmpb[256], dummy[256]; |
38b8102c | 438 | unsigned int incue_max_len; |
77160d47 | 439 | unsigned int t, file_len, mode, sector_offs; |
440 | unsigned int sector_size = 2352; | |
ef79bbde P |
441 | |
442 | numtracks = 0; | |
443 | ||
444 | // copy name of the iso and change extension from .bin to .cue | |
445 | strncpy(cuename, isofile, sizeof(cuename)); | |
446 | cuename[MAXPATHLEN - 1] = '\0'; | |
447 | if (strlen(cuename) >= 4) { | |
448 | strcpy(cuename + strlen(cuename) - 4, ".cue"); | |
449 | } | |
450 | else { | |
451 | return -1; | |
452 | } | |
453 | ||
454 | if ((fi = fopen(cuename, "r")) == NULL) { | |
455 | return -1; | |
456 | } | |
457 | ||
458 | // Some stupid tutorials wrongly tell users to use cdrdao to rip a | |
459 | // "bin/cue" image, which is in fact a "bin/toc" image. So let's check | |
460 | // that... | |
461 | if (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
462 | if (!strncmp(linebuf, "CD_ROM_XA", 9)) { | |
463 | // Don't proceed further, as this is actually a .toc file rather | |
464 | // than a .cue file. | |
465 | fclose(fi); | |
466 | return parsetoc(isofile); | |
467 | } | |
468 | fseek(fi, 0, SEEK_SET); | |
469 | } | |
470 | ||
38b8102c | 471 | // build a path for files referenced in .cue |
472 | strncpy(filepath, cuename, sizeof(filepath)); | |
22bbabf6 | 473 | tmp = strrchr(filepath, '/'); |
38b8102c | 474 | if (tmp == NULL) |
22bbabf6 | 475 | tmp = strrchr(filepath, '\\'); |
476 | if (tmp != NULL) | |
477 | tmp++; | |
478 | else | |
38b8102c | 479 | tmp = filepath; |
480 | *tmp = 0; | |
481 | filepath[sizeof(filepath) - 1] = 0; | |
482 | incue_fname = tmp; | |
483 | incue_max_len = sizeof(filepath) - (tmp - filepath) - 1; | |
484 | ||
ef79bbde P |
485 | memset(&ti, 0, sizeof(ti)); |
486 | ||
19c03d80 | 487 | file_len = 0; |
488 | sector_offs = 2 * 75; | |
489 | ||
ef79bbde P |
490 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { |
491 | strncpy(dummy, linebuf, sizeof(linebuf)); | |
492 | token = strtok(dummy, " "); | |
493 | ||
494 | if (token == NULL) { | |
495 | continue; | |
496 | } | |
497 | ||
19c03d80 | 498 | if (!strcmp(token, "TRACK")) { |
ef79bbde P |
499 | numtracks++; |
500 | ||
77160d47 | 501 | sector_size = 0; |
ef79bbde P |
502 | if (strstr(linebuf, "AUDIO") != NULL) { |
503 | ti[numtracks].type = CDDA; | |
77160d47 | 504 | sector_size = 2352; |
ef79bbde | 505 | } |
77160d47 | 506 | else if (sscanf(linebuf, " TRACK %u MODE%u/%u", &t, &mode, §or_size) == 3) |
ef79bbde | 507 | ti[numtracks].type = DATA; |
77160d47 | 508 | else { |
509 | SysPrintf(".cue: failed to parse TRACK\n"); | |
510 | ti[numtracks].type = numtracks == 1 ? DATA : CDDA; | |
ef79bbde | 511 | } |
77160d47 | 512 | if (sector_size == 0) |
513 | sector_size = 2352; | |
ef79bbde P |
514 | } |
515 | else if (!strcmp(token, "INDEX")) { | |
77160d47 | 516 | if (sscanf(linebuf, " INDEX %02d %8s", &t, time) != 2) |
517 | SysPrintf(".cue: failed to parse INDEX\n"); | |
19c03d80 | 518 | tok2msf(time, (char *)&ti[numtracks].start); |
ef79bbde | 519 | |
19c03d80 | 520 | t = msf2sec(ti[numtracks].start); |
77160d47 | 521 | ti[numtracks].start_offset = t * sector_size; |
19c03d80 | 522 | t += sector_offs; |
ef79bbde | 523 | sec2msf(t, ti[numtracks].start); |
19c03d80 | 524 | |
525 | // default track length to file length | |
77160d47 | 526 | t = file_len - ti[numtracks].start_offset / sector_size; |
19c03d80 | 527 | sec2msf(t, ti[numtracks].length); |
528 | ||
529 | if (numtracks > 1 && ti[numtracks].handle == NULL) { | |
530 | // this track uses the same file as the last, | |
531 | // start of this track is last track's end | |
532 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
533 | sec2msf(t, ti[numtracks - 1].length); | |
38b8102c | 534 | } |
8aa91443 | 535 | if (numtracks > 1 && pregapOffset == -1) |
77160d47 | 536 | pregapOffset = ti[numtracks].start_offset / sector_size; |
19c03d80 | 537 | } |
538 | else if (!strcmp(token, "PREGAP")) { | |
539 | if (sscanf(linebuf, " PREGAP %8s", time) == 1) { | |
540 | tok2msf(time, dummy); | |
541 | sector_offs += msf2sec(dummy); | |
38b8102c | 542 | } |
8aa91443 | 543 | pregapOffset = -1; // mark to fill track start_offset |
19c03d80 | 544 | } |
545 | else if (!strcmp(token, "FILE")) { | |
385c023b | 546 | t = sscanf(linebuf, " FILE \"%256[^\"]\"", tmpb); |
547 | if (t != 1) | |
548 | sscanf(linebuf, " FILE %256s", tmpb); | |
19c03d80 | 549 | |
550 | // absolute path? | |
551 | ti[numtracks + 1].handle = fopen(tmpb, "rb"); | |
552 | if (ti[numtracks + 1].handle == NULL) { | |
553 | // relative to .cue? | |
554 | tmp = strrchr(tmpb, '\\'); | |
555 | if (tmp == NULL) | |
556 | tmp = strrchr(tmpb, '/'); | |
38b8102c | 557 | if (tmp != NULL) |
19c03d80 | 558 | tmp++; |
559 | else | |
560 | tmp = tmpb; | |
561 | strncpy(incue_fname, tmp, incue_max_len); | |
562 | ti[numtracks + 1].handle = fopen(filepath, "rb"); | |
38b8102c | 563 | } |
ef79bbde | 564 | |
19c03d80 | 565 | // update global offset if this is not first file in this .cue |
deebc67f | 566 | if (numtracks + 1 > 1) { |
567 | multifile = 1; | |
19c03d80 | 568 | sector_offs += file_len; |
deebc67f | 569 | } |
19c03d80 | 570 | |
571 | file_len = 0; | |
38b8102c | 572 | if (ti[numtracks + 1].handle == NULL) { |
19c03d80 | 573 | SysPrintf(_("\ncould not open: %s\n"), filepath); |
574 | continue; | |
38b8102c | 575 | } |
19c03d80 | 576 | fseek(ti[numtracks + 1].handle, 0, SEEK_END); |
577 | file_len = ftell(ti[numtracks + 1].handle) / 2352; | |
578 | ||
579 | if (numtracks == 0 && strlen(isofile) >= 4 && | |
580 | strcmp(isofile + strlen(isofile) - 4, ".cue") == 0) | |
581 | { | |
38b8102c | 582 | // user selected .cue as image file, use it's data track instead |
583 | fclose(cdHandle); | |
584 | cdHandle = fopen(filepath, "rb"); | |
ef79bbde P |
585 | } |
586 | } | |
587 | } | |
588 | ||
589 | fclose(fi); | |
590 | ||
ef79bbde P |
591 | return 0; |
592 | } | |
593 | ||
594 | // this function tries to get the .ccd file of the given .img | |
595 | // the necessary data is put into the ti (trackinformation)-array | |
596 | static int parseccd(const char *isofile) { | |
597 | char ccdname[MAXPATHLEN]; | |
598 | FILE *fi; | |
599 | char linebuf[256]; | |
600 | unsigned int t; | |
601 | ||
602 | numtracks = 0; | |
603 | ||
604 | // copy name of the iso and change extension from .img to .ccd | |
605 | strncpy(ccdname, isofile, sizeof(ccdname)); | |
606 | ccdname[MAXPATHLEN - 1] = '\0'; | |
607 | if (strlen(ccdname) >= 4) { | |
608 | strcpy(ccdname + strlen(ccdname) - 4, ".ccd"); | |
609 | } | |
610 | else { | |
611 | return -1; | |
612 | } | |
613 | ||
614 | if ((fi = fopen(ccdname, "r")) == NULL) { | |
615 | return -1; | |
616 | } | |
617 | ||
618 | memset(&ti, 0, sizeof(ti)); | |
619 | ||
620 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
621 | if (!strncmp(linebuf, "[TRACK", 6)){ | |
622 | numtracks++; | |
623 | } | |
624 | else if (!strncmp(linebuf, "MODE=", 5)) { | |
625 | sscanf(linebuf, "MODE=%d", &t); | |
626 | ti[numtracks].type = ((t == 0) ? CDDA : DATA); | |
627 | } | |
628 | else if (!strncmp(linebuf, "INDEX 1=", 8)) { | |
629 | sscanf(linebuf, "INDEX 1=%d", &t); | |
630 | sec2msf(t + 2 * 75, ti[numtracks].start); | |
77160d47 | 631 | ti[numtracks].start_offset = t * 2352; |
ef79bbde P |
632 | |
633 | // If we've already seen another track, this is its end | |
634 | if (numtracks > 1) { | |
635 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
636 | sec2msf(t, ti[numtracks - 1].length); | |
637 | } | |
638 | } | |
639 | } | |
640 | ||
641 | fclose(fi); | |
642 | ||
643 | // Fill out the last track's end based on size | |
644 | if (numtracks >= 1) { | |
645 | fseek(cdHandle, 0, SEEK_END); | |
646 | t = ftell(cdHandle) / 2352 - msf2sec(ti[numtracks].start) + 2 * 75; | |
647 | sec2msf(t, ti[numtracks].length); | |
648 | } | |
649 | ||
650 | return 0; | |
651 | } | |
652 | ||
653 | // this function tries to get the .mds file of the given .mdf | |
654 | // the necessary data is put into the ti (trackinformation)-array | |
655 | static int parsemds(const char *isofile) { | |
656 | char mdsname[MAXPATHLEN]; | |
657 | FILE *fi; | |
658 | unsigned int offset, extra_offset, l, i; | |
659 | unsigned short s; | |
660 | ||
661 | numtracks = 0; | |
662 | ||
663 | // copy name of the iso and change extension from .mdf to .mds | |
664 | strncpy(mdsname, isofile, sizeof(mdsname)); | |
665 | mdsname[MAXPATHLEN - 1] = '\0'; | |
666 | if (strlen(mdsname) >= 4) { | |
667 | strcpy(mdsname + strlen(mdsname) - 4, ".mds"); | |
668 | } | |
669 | else { | |
670 | return -1; | |
671 | } | |
672 | ||
673 | if ((fi = fopen(mdsname, "rb")) == NULL) { | |
674 | return -1; | |
675 | } | |
676 | ||
677 | memset(&ti, 0, sizeof(ti)); | |
678 | ||
679 | // check if it's a valid mds file | |
680 | fread(&i, 1, sizeof(unsigned int), fi); | |
681 | i = SWAP32(i); | |
682 | if (i != 0x4944454D) { | |
683 | // not an valid mds file | |
684 | fclose(fi); | |
685 | return -1; | |
686 | } | |
687 | ||
688 | // get offset to session block | |
689 | fseek(fi, 0x50, SEEK_SET); | |
690 | fread(&offset, 1, sizeof(unsigned int), fi); | |
691 | offset = SWAP32(offset); | |
692 | ||
693 | // get total number of tracks | |
694 | offset += 14; | |
695 | fseek(fi, offset, SEEK_SET); | |
696 | fread(&s, 1, sizeof(unsigned short), fi); | |
697 | s = SWAP16(s); | |
698 | numtracks = s; | |
699 | ||
700 | // get offset to track blocks | |
701 | fseek(fi, 4, SEEK_CUR); | |
702 | fread(&offset, 1, sizeof(unsigned int), fi); | |
703 | offset = SWAP32(offset); | |
704 | ||
705 | // skip lead-in data | |
706 | while (1) { | |
707 | fseek(fi, offset + 4, SEEK_SET); | |
708 | if (fgetc(fi) < 0xA0) { | |
709 | break; | |
710 | } | |
711 | offset += 0x50; | |
712 | } | |
713 | ||
714 | // check if the image contains mixed subchannel data | |
715 | fseek(fi, offset + 1, SEEK_SET); | |
77160d47 | 716 | subChanMixed = subChanRaw = (fgetc(fi) ? TRUE : FALSE); |
ef79bbde P |
717 | |
718 | // read track data | |
719 | for (i = 1; i <= numtracks; i++) { | |
720 | fseek(fi, offset, SEEK_SET); | |
721 | ||
722 | // get the track type | |
723 | ti[i].type = ((fgetc(fi) == 0xA9) ? CDDA : DATA); | |
724 | fseek(fi, 8, SEEK_CUR); | |
725 | ||
726 | // get the track starting point | |
727 | ti[i].start[0] = fgetc(fi); | |
728 | ti[i].start[1] = fgetc(fi); | |
729 | ti[i].start[2] = fgetc(fi); | |
730 | ||
ef79bbde P |
731 | fread(&extra_offset, 1, sizeof(unsigned int), fi); |
732 | extra_offset = SWAP32(extra_offset); | |
733 | ||
19c03d80 | 734 | // get track start offset (in .mdf) |
735 | fseek(fi, offset + 0x28, SEEK_SET); | |
736 | fread(&l, 1, sizeof(unsigned int), fi); | |
737 | l = SWAP32(l); | |
77160d47 | 738 | ti[i].start_offset = l; |
19c03d80 | 739 | |
8aa91443 | 740 | // get pregap |
741 | fseek(fi, extra_offset, SEEK_SET); | |
742 | fread(&l, 1, sizeof(unsigned int), fi); | |
743 | l = SWAP32(l); | |
744 | if (l != 0 && i > 1) | |
77160d47 | 745 | pregapOffset = msf2sec(ti[i].start); |
8aa91443 | 746 | |
747 | // get the track length | |
748 | fread(&l, 1, sizeof(unsigned int), fi); | |
749 | l = SWAP32(l); | |
750 | sec2msf(l, ti[i].length); | |
751 | ||
ef79bbde P |
752 | offset += 0x50; |
753 | } | |
754 | ||
755 | fclose(fi); | |
756 | return 0; | |
757 | } | |
758 | ||
0877957a | 759 | static int handlepbp(const char *isofile) { |
9a92bffb | 760 | struct { |
761 | unsigned int sig; | |
762 | unsigned int dontcare[8]; | |
763 | unsigned int psar_offs; | |
764 | } pbp_hdr; | |
765 | struct { | |
766 | unsigned char type; | |
767 | unsigned char pad0; | |
768 | unsigned char track; | |
769 | char index0[3]; | |
770 | char pad1; | |
771 | char index1[3]; | |
772 | } toc_entry; | |
773 | struct { | |
774 | unsigned int offset; | |
775 | unsigned int size; | |
776 | unsigned int dontcare[6]; | |
777 | } index_entry; | |
0c2871a7 | 778 | char psar_sig[11]; |
9a92bffb | 779 | unsigned int t, cd_length, cdimg_base; |
0c2871a7 | 780 | unsigned int offsettab[8], psisoimg_offs; |
9a92bffb | 781 | const char *ext = NULL; |
782 | int i, ret; | |
783 | ||
784 | if (strlen(isofile) >= 4) | |
785 | ext = isofile + strlen(isofile) - 4; | |
786 | if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0)) | |
787 | return -1; | |
788 | ||
789 | numtracks = 0; | |
790 | ||
791 | ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle); | |
792 | if (ret != sizeof(pbp_hdr)) { | |
f29fbd53 | 793 | SysPrintf("failed to read pbp\n"); |
9a92bffb | 794 | goto fail_io; |
795 | } | |
796 | ||
797 | ret = fseek(cdHandle, pbp_hdr.psar_offs, SEEK_SET); | |
798 | if (ret != 0) { | |
f29fbd53 | 799 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs); |
9a92bffb | 800 | goto fail_io; |
801 | } | |
802 | ||
0c2871a7 | 803 | psisoimg_offs = pbp_hdr.psar_offs; |
9a92bffb | 804 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); |
0c2871a7 | 805 | psar_sig[10] = 0; |
806 | if (strcmp(psar_sig, "PSTITLEIMG") == 0) { | |
807 | // multidisk image? | |
808 | ret = fseek(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET); | |
809 | if (ret != 0) { | |
f29fbd53 | 810 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs + 0x200); |
0c2871a7 | 811 | goto fail_io; |
812 | } | |
813 | ||
814 | if (fread(&offsettab, 1, sizeof(offsettab), cdHandle) != sizeof(offsettab)) { | |
f29fbd53 | 815 | SysPrintf("failed to read offsettab\n"); |
0c2871a7 | 816 | goto fail_io; |
817 | } | |
818 | ||
819 | for (i = 0; i < sizeof(offsettab) / sizeof(offsettab[0]); i++) { | |
820 | if (offsettab[i] == 0) | |
821 | break; | |
822 | } | |
823 | cdrIsoMultidiskCount = i; | |
824 | if (cdrIsoMultidiskCount == 0) { | |
f29fbd53 | 825 | SysPrintf("multidisk eboot has 0 images?\n"); |
0c2871a7 | 826 | goto fail_io; |
827 | } | |
828 | ||
829 | if (cdrIsoMultidiskSelect >= cdrIsoMultidiskCount) | |
830 | cdrIsoMultidiskSelect = 0; | |
831 | ||
832 | psisoimg_offs += offsettab[cdrIsoMultidiskSelect]; | |
833 | ||
834 | ret = fseek(cdHandle, psisoimg_offs, SEEK_SET); | |
835 | if (ret != 0) { | |
f29fbd53 | 836 | SysPrintf("failed to seek to %x\n", psisoimg_offs); |
0c2871a7 | 837 | goto fail_io; |
838 | } | |
839 | ||
840 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); | |
841 | psar_sig[10] = 0; | |
842 | } | |
843 | ||
844 | if (strcmp(psar_sig, "PSISOIMG00") != 0) { | |
f29fbd53 | 845 | SysPrintf("bad psar_sig: %s\n", psar_sig); |
9a92bffb | 846 | goto fail_io; |
847 | } | |
848 | ||
849 | // seek to TOC | |
0c2871a7 | 850 | ret = fseek(cdHandle, psisoimg_offs + 0x800, SEEK_SET); |
9a92bffb | 851 | if (ret != 0) { |
f29fbd53 | 852 | SysPrintf("failed to seek to %x\n", psisoimg_offs + 0x800); |
9a92bffb | 853 | goto fail_io; |
854 | } | |
855 | ||
856 | // first 3 entries are special | |
857 | fseek(cdHandle, sizeof(toc_entry), SEEK_CUR); | |
858 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
859 | numtracks = btoi(toc_entry.index1[0]); | |
860 | ||
861 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
862 | cd_length = btoi(toc_entry.index1[0]) * 60 * 75 + | |
863 | btoi(toc_entry.index1[1]) * 75 + btoi(toc_entry.index1[2]); | |
864 | ||
865 | for (i = 1; i <= numtracks; i++) { | |
866 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
867 | ||
868 | ti[i].type = (toc_entry.type == 1) ? CDDA : DATA; | |
869 | ||
870 | ti[i].start_offset = btoi(toc_entry.index0[0]) * 60 * 75 + | |
871 | btoi(toc_entry.index0[1]) * 75 + btoi(toc_entry.index0[2]); | |
77160d47 | 872 | ti[i].start_offset *= 2352; |
9a92bffb | 873 | ti[i].start[0] = btoi(toc_entry.index1[0]); |
874 | ti[i].start[1] = btoi(toc_entry.index1[1]); | |
875 | ti[i].start[2] = btoi(toc_entry.index1[2]); | |
876 | ||
877 | if (i > 1) { | |
878 | t = msf2sec(ti[i].start) - msf2sec(ti[i - 1].start); | |
879 | sec2msf(t, ti[i - 1].length); | |
880 | } | |
881 | } | |
77160d47 | 882 | t = cd_length - ti[numtracks].start_offset / 2352; |
9a92bffb | 883 | sec2msf(t, ti[numtracks].length); |
884 | ||
885 | // seek to ISO index | |
0c2871a7 | 886 | ret = fseek(cdHandle, psisoimg_offs + 0x4000, SEEK_SET); |
9a92bffb | 887 | if (ret != 0) { |
f29fbd53 | 888 | SysPrintf("failed to seek to ISO index\n"); |
9a92bffb | 889 | goto fail_io; |
890 | } | |
891 | ||
892 | compr_img = calloc(1, sizeof(*compr_img)); | |
893 | if (compr_img == NULL) | |
894 | goto fail_io; | |
895 | ||
0877957a | 896 | compr_img->block_shift = 4; |
9a92bffb | 897 | compr_img->current_block = (unsigned int)-1; |
898 | ||
899 | compr_img->index_len = (0x100000 - 0x4000) / sizeof(index_entry); | |
900 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
901 | if (compr_img->index_table == NULL) | |
902 | goto fail_io; | |
903 | ||
0c2871a7 | 904 | cdimg_base = psisoimg_offs + 0x100000; |
9a92bffb | 905 | for (i = 0; i < compr_img->index_len; i++) { |
906 | ret = fread(&index_entry, 1, sizeof(index_entry), cdHandle); | |
907 | if (ret != sizeof(index_entry)) { | |
f29fbd53 | 908 | SysPrintf("failed to read index_entry #%d\n", i); |
9a92bffb | 909 | goto fail_index; |
910 | } | |
911 | ||
912 | if (index_entry.size == 0) | |
913 | break; | |
914 | ||
915 | compr_img->index_table[i] = cdimg_base + index_entry.offset; | |
916 | } | |
917 | compr_img->index_table[i] = cdimg_base + index_entry.offset + index_entry.size; | |
918 | ||
919 | return 0; | |
920 | ||
921 | fail_index: | |
922 | free(compr_img->index_table); | |
923 | compr_img->index_table = NULL; | |
924 | fail_io: | |
0877957a | 925 | if (compr_img != NULL) { |
926 | free(compr_img); | |
927 | compr_img = NULL; | |
928 | } | |
929 | return -1; | |
930 | } | |
931 | ||
932 | static int handlecbin(const char *isofile) { | |
933 | struct | |
934 | { | |
935 | char magic[4]; | |
936 | unsigned int header_size; | |
937 | unsigned long long total_bytes; | |
938 | unsigned int block_size; | |
939 | unsigned char ver; // 1 | |
940 | unsigned char align; | |
941 | unsigned char rsv_06[2]; | |
942 | } ciso_hdr; | |
943 | const char *ext = NULL; | |
0c2871a7 | 944 | unsigned int index = 0, plain; |
0877957a | 945 | int i, ret; |
946 | ||
947 | if (strlen(isofile) >= 5) | |
948 | ext = isofile + strlen(isofile) - 5; | |
949 | if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0)) | |
950 | return -1; | |
951 | ||
952 | ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle); | |
953 | if (ret != sizeof(ciso_hdr)) { | |
f29fbd53 | 954 | SysPrintf("failed to read ciso header\n"); |
0877957a | 955 | return -1; |
956 | } | |
957 | ||
958 | if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) { | |
f29fbd53 | 959 | SysPrintf("bad ciso header\n"); |
0877957a | 960 | return -1; |
961 | } | |
962 | if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) { | |
963 | ret = fseek(cdHandle, ciso_hdr.header_size, SEEK_SET); | |
964 | if (ret != 0) { | |
f29fbd53 | 965 | SysPrintf("failed to seek to %x\n", ciso_hdr.header_size); |
0877957a | 966 | return -1; |
967 | } | |
968 | } | |
969 | ||
970 | compr_img = calloc(1, sizeof(*compr_img)); | |
971 | if (compr_img == NULL) | |
972 | goto fail_io; | |
973 | ||
974 | compr_img->block_shift = 0; | |
975 | compr_img->current_block = (unsigned int)-1; | |
976 | ||
977 | compr_img->index_len = ciso_hdr.total_bytes / ciso_hdr.block_size; | |
978 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
979 | if (compr_img->index_table == NULL) | |
980 | goto fail_io; | |
981 | ||
982 | ret = fread(compr_img->index_table, sizeof(compr_img->index_table[0]), compr_img->index_len, cdHandle); | |
983 | if (ret != compr_img->index_len) { | |
f29fbd53 | 984 | SysPrintf("failed to read index table\n"); |
0877957a | 985 | goto fail_index; |
986 | } | |
987 | ||
988 | for (i = 0; i < compr_img->index_len + 1; i++) { | |
989 | index = compr_img->index_table[i]; | |
990 | plain = index & 0x80000000; | |
991 | index &= 0x7fffffff; | |
992 | compr_img->index_table[i] = (index << ciso_hdr.align) | plain; | |
993 | } | |
994 | if ((long long)index << ciso_hdr.align >= 0x80000000ll) | |
f29fbd53 | 995 | SysPrintf("warning: ciso img too large, expect problems\n"); |
0877957a | 996 | |
997 | return 0; | |
998 | ||
999 | fail_index: | |
1000 | free(compr_img->index_table); | |
1001 | compr_img->index_table = NULL; | |
1002 | fail_io: | |
1003 | if (compr_img != NULL) { | |
1004 | free(compr_img); | |
1005 | compr_img = NULL; | |
1006 | } | |
9a92bffb | 1007 | return -1; |
1008 | } | |
1009 | ||
ef79bbde P |
1010 | // this function tries to get the .sub file of the given .img |
1011 | static int opensubfile(const char *isoname) { | |
1012 | char subname[MAXPATHLEN]; | |
1013 | ||
1014 | // copy name of the iso and change extension from .img to .sub | |
1015 | strncpy(subname, isoname, sizeof(subname)); | |
1016 | subname[MAXPATHLEN - 1] = '\0'; | |
1017 | if (strlen(subname) >= 4) { | |
1018 | strcpy(subname + strlen(subname) - 4, ".sub"); | |
1019 | } | |
1020 | else { | |
1021 | return -1; | |
1022 | } | |
1023 | ||
1024 | subHandle = fopen(subname, "rb"); | |
1025 | if (subHandle == NULL) { | |
1026 | return -1; | |
1027 | } | |
1028 | ||
1029 | return 0; | |
1030 | } | |
1031 | ||
ae4e7dc9 | 1032 | static int opensbifile(const char *isoname) { |
1033 | char sbiname[MAXPATHLEN]; | |
1034 | int s; | |
1035 | ||
1036 | strncpy(sbiname, isoname, sizeof(sbiname)); | |
1037 | sbiname[MAXPATHLEN - 1] = '\0'; | |
1038 | if (strlen(sbiname) >= 4) { | |
1039 | strcpy(sbiname + strlen(sbiname) - 4, ".sbi"); | |
1040 | } | |
1041 | else { | |
1042 | return -1; | |
1043 | } | |
1044 | ||
1045 | fseek(cdHandle, 0, SEEK_END); | |
1046 | s = ftell(cdHandle) / 2352; | |
1047 | ||
1048 | return LoadSBI(sbiname, s); | |
1049 | } | |
1050 | ||
77160d47 | 1051 | static int cdread_normal(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1052 | { |
77160d47 | 1053 | fseek(f, base + sector * CD_FRAMESIZE_RAW, SEEK_SET); |
81abe4d5 | 1054 | return fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1055 | } |
1056 | ||
77160d47 | 1057 | static int cdread_sub_mixed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1058 | { |
1059 | int ret; | |
1060 | ||
77160d47 | 1061 | fseek(f, base + sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET); |
81abe4d5 | 1062 | ret = fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1063 | fread(subbuffer, 1, SUB_FRAMESIZE, f); |
1064 | ||
1065 | if (subChanRaw) DecodeRawSubData(); | |
1066 | ||
1067 | return ret; | |
1068 | } | |
1069 | ||
1070 | static int uncompress2(void *out, unsigned long *out_size, void *in, unsigned long in_size) | |
1071 | { | |
1072 | static z_stream z; | |
1073 | int ret = 0; | |
1074 | ||
1075 | if (z.zalloc == NULL) { | |
1076 | // XXX: one-time leak here.. | |
1077 | z.next_in = Z_NULL; | |
1078 | z.avail_in = 0; | |
1079 | z.zalloc = Z_NULL; | |
1080 | z.zfree = Z_NULL; | |
1081 | z.opaque = Z_NULL; | |
1082 | ret = inflateInit2(&z, -15); | |
1083 | } | |
1084 | else | |
1085 | ret = inflateReset(&z); | |
1086 | if (ret != Z_OK) | |
1087 | return ret; | |
1088 | ||
1089 | z.next_in = in; | |
1090 | z.avail_in = in_size; | |
1091 | z.next_out = out; | |
1092 | z.avail_out = *out_size; | |
1093 | ||
1094 | ret = inflate(&z, Z_NO_FLUSH); | |
1095 | //inflateEnd(&z); | |
1096 | ||
1097 | *out_size -= z.avail_out; | |
1098 | return ret == 1 ? 0 : ret; | |
1099 | } | |
1100 | ||
77160d47 | 1101 | static int cdread_compressed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1102 | { |
0877957a | 1103 | unsigned long cdbuffer_size, cdbuffer_size_expect; |
9a92bffb | 1104 | unsigned int start_byte, size; |
0877957a | 1105 | int is_compressed; |
9a92bffb | 1106 | int ret, block; |
1107 | ||
77160d47 | 1108 | if (base) |
1109 | sector += base / 2352; | |
1110 | ||
0877957a | 1111 | block = sector >> compr_img->block_shift; |
1112 | compr_img->sector_in_blk = sector & ((1 << compr_img->block_shift) - 1); | |
9a92bffb | 1113 | |
1114 | if (block == compr_img->current_block) { | |
1115 | //printf("hit sect %d\n", sector); | |
1116 | goto finish; | |
1117 | } | |
1118 | ||
1119 | if (sector >= compr_img->index_len * 16) { | |
f29fbd53 | 1120 | SysPrintf("sector %d is past img end\n", sector); |
9a92bffb | 1121 | return -1; |
1122 | } | |
1123 | ||
0877957a | 1124 | start_byte = compr_img->index_table[block] & 0x7fffffff; |
9a92bffb | 1125 | if (fseek(cdHandle, start_byte, SEEK_SET) != 0) { |
f29fbd53 | 1126 | SysPrintf("seek error for block %d at %x: ", |
9a92bffb | 1127 | block, start_byte); |
1128 | perror(NULL); | |
1129 | return -1; | |
1130 | } | |
1131 | ||
0877957a | 1132 | is_compressed = !(compr_img->index_table[block] & 0x80000000); |
1133 | size = (compr_img->index_table[block + 1] & 0x7fffffff) - start_byte; | |
9a92bffb | 1134 | if (size > sizeof(compr_img->buff_compressed)) { |
f29fbd53 | 1135 | SysPrintf("block %d is too large: %u\n", block, size); |
9a92bffb | 1136 | return -1; |
1137 | } | |
1138 | ||
0877957a | 1139 | if (fread(is_compressed ? compr_img->buff_compressed : compr_img->buff_raw[0], |
1140 | 1, size, cdHandle) != size) { | |
f29fbd53 | 1141 | SysPrintf("read error for block %d at %x: ", block, start_byte); |
9a92bffb | 1142 | perror(NULL); |
1143 | return -1; | |
1144 | } | |
1145 | ||
0877957a | 1146 | if (is_compressed) { |
1147 | cdbuffer_size_expect = sizeof(compr_img->buff_raw[0]) << compr_img->block_shift; | |
1148 | cdbuffer_size = cdbuffer_size_expect; | |
1149 | ret = uncompress2(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size); | |
1150 | if (ret != 0) { | |
f29fbd53 | 1151 | SysPrintf("uncompress failed with %d for block %d, sector %d\n", |
0877957a | 1152 | ret, block, sector); |
1153 | return -1; | |
1154 | } | |
1155 | if (cdbuffer_size != cdbuffer_size_expect) | |
f29fbd53 | 1156 | SysPrintf("cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size, |
0877957a | 1157 | cdbuffer_size_expect, sector); |
9a92bffb | 1158 | } |
9a92bffb | 1159 | |
1160 | // done at last! | |
1161 | compr_img->current_block = block; | |
1162 | ||
1163 | finish: | |
1164 | if (dest != cdbuffer) // copy avoid HACK | |
81abe4d5 | 1165 | memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk], |
1166 | CD_FRAMESIZE_RAW); | |
1167 | return CD_FRAMESIZE_RAW; | |
9a92bffb | 1168 | } |
1169 | ||
77160d47 | 1170 | static int cdread_2048(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1171 | { |
1172 | int ret; | |
1173 | ||
77160d47 | 1174 | fseek(f, base + sector * 2048, SEEK_SET); |
81abe4d5 | 1175 | ret = fread((char *)dest + 12 * 2, 1, 2048, f); |
9a92bffb | 1176 | |
1177 | // not really necessary, fake mode 2 header | |
81abe4d5 | 1178 | memset(cdbuffer, 0, 12 * 2); |
1179 | sec2msf(sector + 2 * 75, (char *)&cdbuffer[12]); | |
1180 | cdbuffer[12 + 3] = 1; | |
9a92bffb | 1181 | |
1182 | return ret; | |
1183 | } | |
1184 | ||
1185 | static unsigned char * CALLBACK ISOgetBuffer_compr(void) { | |
1186 | return compr_img->buff_raw[compr_img->sector_in_blk] + 12; | |
1187 | } | |
1188 | ||
1189 | static unsigned char * CALLBACK ISOgetBuffer(void) { | |
81abe4d5 | 1190 | return cdbuffer + 12; |
9a92bffb | 1191 | } |
1192 | ||
ef79bbde P |
1193 | static void PrintTracks(void) { |
1194 | int i; | |
1195 | ||
1196 | for (i = 1; i <= numtracks; i++) { | |
1197 | SysPrintf(_("Track %.2d (%s) - Start %.2d:%.2d:%.2d, Length %.2d:%.2d:%.2d\n"), | |
1198 | i, (ti[i].type == DATA ? "DATA" : "AUDIO"), | |
1199 | ti[i].start[0], ti[i].start[1], ti[i].start[2], | |
1200 | ti[i].length[0], ti[i].length[1], ti[i].length[2]); | |
1201 | } | |
1202 | } | |
1203 | ||
1204 | // This function is invoked by the front-end when opening an ISO | |
1205 | // file for playback | |
1206 | static long CALLBACK ISOopen(void) { | |
9a92bffb | 1207 | boolean isMode1ISO = FALSE; |
1208 | ||
ef79bbde P |
1209 | if (cdHandle != NULL) { |
1210 | return 0; // it's already open | |
1211 | } | |
1212 | ||
1213 | cdHandle = fopen(GetIsoFile(), "rb"); | |
1214 | if (cdHandle == NULL) { | |
1215 | return -1; | |
1216 | } | |
1217 | ||
1218 | SysPrintf(_("Loaded CD Image: %s"), GetIsoFile()); | |
1219 | ||
1220 | cddaBigEndian = FALSE; | |
1221 | subChanMixed = FALSE; | |
1222 | subChanRaw = FALSE; | |
8aa91443 | 1223 | pregapOffset = 0; |
0c2871a7 | 1224 | cdrIsoMultidiskCount = 1; |
deebc67f | 1225 | multifile = 0; |
ef79bbde | 1226 | |
9a92bffb | 1227 | CDR_getBuffer = ISOgetBuffer; |
1228 | cdimg_read_func = cdread_normal; | |
1229 | ||
ef79bbde P |
1230 | if (parsecue(GetIsoFile()) == 0) { |
1231 | SysPrintf("[+cue]"); | |
1232 | } | |
1233 | else if (parsetoc(GetIsoFile()) == 0) { | |
1234 | SysPrintf("[+toc]"); | |
1235 | } | |
1236 | else if (parseccd(GetIsoFile()) == 0) { | |
1237 | SysPrintf("[+ccd]"); | |
1238 | } | |
1239 | else if (parsemds(GetIsoFile()) == 0) { | |
1240 | SysPrintf("[+mds]"); | |
1241 | } | |
0877957a | 1242 | if (handlepbp(GetIsoFile()) == 0) { |
9a92bffb | 1243 | SysPrintf("[pbp]"); |
1244 | CDR_getBuffer = ISOgetBuffer_compr; | |
1245 | cdimg_read_func = cdread_compressed; | |
1246 | } | |
0877957a | 1247 | else if (handlecbin(GetIsoFile()) == 0) { |
1248 | SysPrintf("[cbin]"); | |
1249 | CDR_getBuffer = ISOgetBuffer_compr; | |
1250 | cdimg_read_func = cdread_compressed; | |
1251 | } | |
ef79bbde P |
1252 | |
1253 | if (!subChanMixed && opensubfile(GetIsoFile()) == 0) { | |
1254 | SysPrintf("[+sub]"); | |
1255 | } | |
ae4e7dc9 | 1256 | if (opensbifile(GetIsoFile()) == 0) { |
1257 | SysPrintf("[+sbi]"); | |
1258 | } | |
ef79bbde | 1259 | |
9a92bffb | 1260 | // guess whether it is mode1/2048 |
1261 | fseek(cdHandle, 0, SEEK_END); | |
1262 | if (ftell(cdHandle) % 2048 == 0) { | |
1263 | unsigned int modeTest = 0; | |
1264 | fseek(cdHandle, 0, SEEK_SET); | |
1265 | fread(&modeTest, 4, 1, cdHandle); | |
1266 | if (SWAP32(modeTest) != 0xffffff00) { | |
1267 | SysPrintf("[2048]"); | |
1268 | isMode1ISO = TRUE; | |
1269 | } | |
1270 | } | |
1271 | fseek(cdHandle, 0, SEEK_SET); | |
1272 | ||
ef79bbde P |
1273 | SysPrintf(".\n"); |
1274 | ||
1275 | PrintTracks(); | |
1276 | ||
9a92bffb | 1277 | if (subChanMixed) |
1278 | cdimg_read_func = cdread_sub_mixed; | |
1279 | else if (isMode1ISO) | |
1280 | cdimg_read_func = cdread_2048; | |
1281 | ||
38b8102c | 1282 | // make sure we have another handle open for cdda |
1283 | if (numtracks > 1 && ti[1].handle == NULL) { | |
1284 | ti[1].handle = fopen(GetIsoFile(), "rb"); | |
1285 | } | |
77160d47 | 1286 | cdda_cur_sector = 0; |
1287 | cdda_file_offset = 0; | |
38b8102c | 1288 | |
ef79bbde P |
1289 | return 0; |
1290 | } | |
1291 | ||
1292 | static long CALLBACK ISOclose(void) { | |
38b8102c | 1293 | int i; |
1294 | ||
ef79bbde P |
1295 | if (cdHandle != NULL) { |
1296 | fclose(cdHandle); | |
1297 | cdHandle = NULL; | |
1298 | } | |
1299 | if (subHandle != NULL) { | |
1300 | fclose(subHandle); | |
1301 | subHandle = NULL; | |
1302 | } | |
1303 | stopCDDA(); | |
38b8102c | 1304 | cddaHandle = NULL; |
1305 | ||
9a92bffb | 1306 | if (compr_img != NULL) { |
1307 | free(compr_img->index_table); | |
1308 | free(compr_img); | |
1309 | compr_img = NULL; | |
1310 | } | |
1311 | ||
38b8102c | 1312 | for (i = 1; i <= numtracks; i++) { |
1313 | if (ti[i].handle != NULL) { | |
1314 | fclose(ti[i].handle); | |
1315 | ti[i].handle = NULL; | |
1316 | } | |
1317 | } | |
1318 | numtracks = 0; | |
ae4e7dc9 | 1319 | UnloadSBI(); |
38b8102c | 1320 | |
1321 | return 0; | |
1322 | } | |
1323 | ||
1324 | static long CALLBACK ISOinit(void) { | |
1325 | assert(cdHandle == NULL); | |
1326 | assert(subHandle == NULL); | |
1327 | ||
1328 | return 0; // do nothing | |
1329 | } | |
1330 | ||
1331 | static long CALLBACK ISOshutdown(void) { | |
1332 | ISOclose(); | |
ef79bbde P |
1333 | return 0; |
1334 | } | |
1335 | ||
1336 | // return Starting and Ending Track | |
1337 | // buffer: | |
1338 | // byte 0 - start track | |
1339 | // byte 1 - end track | |
1340 | static long CALLBACK ISOgetTN(unsigned char *buffer) { | |
1341 | buffer[0] = 1; | |
1342 | ||
1343 | if (numtracks > 0) { | |
1344 | buffer[1] = numtracks; | |
1345 | } | |
1346 | else { | |
1347 | buffer[1] = 1; | |
1348 | } | |
1349 | ||
1350 | return 0; | |
1351 | } | |
1352 | ||
1353 | // return Track Time | |
1354 | // buffer: | |
1355 | // byte 0 - frame | |
1356 | // byte 1 - second | |
1357 | // byte 2 - minute | |
1358 | static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) { | |
858ad511 | 1359 | if (track == 0) { |
858ad511 | 1360 | unsigned int sect; |
1361 | unsigned char time[3]; | |
1362 | sect = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length); | |
ab948f7e | 1363 | sec2msf(sect, (char *)time); |
858ad511 | 1364 | buffer[2] = time[0]; |
1365 | buffer[1] = time[1]; | |
1366 | buffer[0] = time[2]; | |
1367 | } | |
1368 | else if (numtracks > 0 && track <= numtracks) { | |
ef79bbde P |
1369 | buffer[2] = ti[track].start[0]; |
1370 | buffer[1] = ti[track].start[1]; | |
1371 | buffer[0] = ti[track].start[2]; | |
1372 | } | |
1373 | else { | |
1374 | buffer[2] = 0; | |
1375 | buffer[1] = 2; | |
1376 | buffer[0] = 0; | |
1377 | } | |
1378 | ||
1379 | return 0; | |
1380 | } | |
1381 | ||
1382 | // decode 'raw' subchannel data ripped by cdrdao | |
1383 | static void DecodeRawSubData(void) { | |
1384 | unsigned char subQData[12]; | |
1385 | int i; | |
1386 | ||
1387 | memset(subQData, 0, sizeof(subQData)); | |
1388 | ||
1389 | for (i = 0; i < 8 * 12; i++) { | |
1390 | if (subbuffer[i] & (1 << 6)) { // only subchannel Q is needed | |
1391 | subQData[i >> 3] |= (1 << (7 - (i & 7))); | |
1392 | } | |
1393 | } | |
1394 | ||
1395 | memcpy(&subbuffer[12], subQData, 12); | |
1396 | } | |
1397 | ||
1398 | // read track | |
1399 | // time: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1400 | // uses bcd format | |
1401 | static long CALLBACK ISOreadTrack(unsigned char *time) { | |
19c03d80 | 1402 | int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])); |
1403 | ||
ef79bbde P |
1404 | if (cdHandle == NULL) { |
1405 | return -1; | |
1406 | } | |
1407 | ||
8aa91443 | 1408 | if (pregapOffset) { |
1409 | subChanMissing = FALSE; | |
1410 | if (sector >= pregapOffset) { | |
1411 | sector -= 2 * 75; | |
1412 | if (sector < pregapOffset) | |
1413 | subChanMissing = TRUE; | |
1414 | } | |
1415 | } | |
1416 | ||
77160d47 | 1417 | cdimg_read_func(cdHandle, 0, cdbuffer, sector); |
ef79bbde | 1418 | |
9a92bffb | 1419 | if (subHandle != NULL) { |
1420 | fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET); | |
1421 | fread(subbuffer, 1, SUB_FRAMESIZE, subHandle); | |
ef79bbde | 1422 | |
9a92bffb | 1423 | if (subChanRaw) DecodeRawSubData(); |
ef79bbde P |
1424 | } |
1425 | ||
1426 | return 0; | |
1427 | } | |
1428 | ||
ef79bbde P |
1429 | // plays cdda audio |
1430 | // sector: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1431 | // does NOT uses bcd format | |
1432 | static long CALLBACK ISOplay(unsigned char *time) { | |
77160d47 | 1433 | unsigned int i; |
38b8102c | 1434 | |
7b8da7ab | 1435 | if (numtracks <= 1) |
1436 | return 0; | |
1437 | ||
38b8102c | 1438 | // find the track |
77160d47 | 1439 | cdda_cur_sector = msf2sec((char *)time); |
2058d51f | 1440 | for (i = numtracks; i > 1; i--) { |
77160d47 | 1441 | cdda_first_sector = msf2sec(ti[i].start); |
1442 | if (cdda_first_sector <= cdda_cur_sector + 2 * 75) | |
38b8102c | 1443 | break; |
2058d51f | 1444 | } |
77160d47 | 1445 | cdda_file_offset = ti[i].start_offset; |
19c03d80 | 1446 | |
38b8102c | 1447 | // find the file that contains this track |
1448 | for (; i > 1; i--) | |
1449 | if (ti[i].handle != NULL) | |
1450 | break; | |
1451 | ||
2058d51f | 1452 | cddaHandle = ti[i].handle; |
8aa91443 | 1453 | |
77160d47 | 1454 | if (SPU_playCDDAchannel != NULL) |
1455 | startCDDA(); | |
1456 | ||
ef79bbde P |
1457 | return 0; |
1458 | } | |
1459 | ||
1460 | // stops cdda audio | |
1461 | static long CALLBACK ISOstop(void) { | |
1462 | stopCDDA(); | |
1463 | return 0; | |
1464 | } | |
1465 | ||
1466 | // gets subchannel data | |
1467 | static unsigned char* CALLBACK ISOgetBufferSub(void) { | |
8aa91443 | 1468 | if ((subHandle != NULL || subChanMixed) && !subChanMissing) { |
ef79bbde P |
1469 | return subbuffer; |
1470 | } | |
1471 | ||
1472 | return NULL; | |
1473 | } | |
1474 | ||
1475 | static long CALLBACK ISOgetStatus(struct CdrStat *stat) { | |
deebc67f | 1476 | u32 sect; |
1477 | ||
ef79bbde | 1478 | CDR__getStatus(stat); |
deebc67f | 1479 | |
ef79bbde P |
1480 | if (playing) { |
1481 | stat->Type = 0x02; | |
1482 | stat->Status |= 0x80; | |
ef79bbde P |
1483 | } |
1484 | else { | |
deebc67f | 1485 | // BIOS - boot ID (CD type) |
1486 | stat->Type = ti[1].type; | |
1487 | } | |
1488 | ||
1489 | // relative -> absolute time | |
1490 | sect = cddaCurPos; | |
1491 | sec2msf(sect, (char *)stat->Time); | |
1492 | ||
1493 | return 0; | |
1494 | } | |
1495 | ||
1496 | // read CDDA sector into buffer | |
1497 | long CALLBACK ISOreadCDDA(unsigned char m, unsigned char s, unsigned char f, unsigned char *buffer) { | |
1498 | unsigned char msf[3] = {m, s, f}; | |
1499 | unsigned int file, track, track_start = 0; | |
1500 | int ret; | |
1501 | ||
1502 | cddaCurPos = msf2sec((char *)msf); | |
1503 | ||
1504 | // find current track index | |
1505 | for (track = numtracks; ; track--) { | |
1506 | track_start = msf2sec(ti[track].start); | |
1507 | if (track_start <= cddaCurPos) | |
1508 | break; | |
1509 | if (track == 1) | |
1510 | break; | |
1511 | } | |
1512 | ||
1513 | // data tracks play silent | |
1514 | if (ti[track].type != CDDA) { | |
1515 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
1516 | return 0; | |
1517 | } | |
1518 | ||
1519 | file = 1; | |
1520 | if (multifile) { | |
1521 | // find the file that contains this track | |
1522 | for (file = track; file > 1; file--) | |
1523 | if (ti[file].handle != NULL) | |
1524 | break; | |
ef79bbde P |
1525 | } |
1526 | ||
deebc67f | 1527 | ret = cdimg_read_func(ti[file].handle, ti[track].start_offset, |
1528 | buffer, cddaCurPos - track_start); | |
1529 | if (ret != CD_FRAMESIZE_RAW) { | |
1530 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
1531 | return -1; | |
1532 | } | |
1533 | ||
1534 | if (cddaBigEndian) { | |
1535 | int i; | |
1536 | unsigned char tmp; | |
1537 | ||
1538 | for (i = 0; i < CD_FRAMESIZE_RAW / 2; i++) { | |
1539 | tmp = buffer[i * 2]; | |
1540 | buffer[i * 2] = buffer[i * 2 + 1]; | |
1541 | buffer[i * 2 + 1] = tmp; | |
1542 | } | |
1543 | } | |
858ad511 | 1544 | |
ef79bbde P |
1545 | return 0; |
1546 | } | |
1547 | ||
1548 | void cdrIsoInit(void) { | |
1549 | CDR_init = ISOinit; | |
1550 | CDR_shutdown = ISOshutdown; | |
1551 | CDR_open = ISOopen; | |
1552 | CDR_close = ISOclose; | |
1553 | CDR_getTN = ISOgetTN; | |
1554 | CDR_getTD = ISOgetTD; | |
1555 | CDR_readTrack = ISOreadTrack; | |
1556 | CDR_getBuffer = ISOgetBuffer; | |
1557 | CDR_play = ISOplay; | |
1558 | CDR_stop = ISOstop; | |
1559 | CDR_getBufferSub = ISOgetBufferSub; | |
1560 | CDR_getStatus = ISOgetStatus; | |
deebc67f | 1561 | CDR_readCDDA = ISOreadCDDA; |
ef79bbde P |
1562 | |
1563 | CDR_getDriveLetter = CDR__getDriveLetter; | |
1564 | CDR_configure = CDR__configure; | |
1565 | CDR_test = CDR__test; | |
1566 | CDR_about = CDR__about; | |
1567 | CDR_setfilename = CDR__setfilename; | |
1568 | ||
1569 | numtracks = 0; | |
1570 | } | |
1571 | ||
1572 | int cdrIsoActive(void) { | |
1573 | return (cdHandle != NULL); | |
1574 | } |