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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., * | |
19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * | |
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> | |
31 | #else | |
32 | #include <pthread.h> | |
33 | #include <sys/time.h> | |
349f7d81 | 34 | #include <unistd.h> |
ef79bbde | 35 | #endif |
9a92bffb | 36 | #include <zlib.h> |
ef79bbde | 37 | |
0c2871a7 | 38 | unsigned int cdrIsoMultidiskCount; |
39 | unsigned int cdrIsoMultidiskSelect; | |
40 | ||
ef79bbde P |
41 | static FILE *cdHandle = NULL; |
42 | static FILE *cddaHandle = NULL; | |
43 | static FILE *subHandle = NULL; | |
44 | ||
45 | static boolean subChanMixed = FALSE; | |
46 | static boolean subChanRaw = FALSE; | |
8aa91443 | 47 | static boolean subChanMissing = FALSE; |
ef79bbde | 48 | |
81abe4d5 | 49 | static unsigned char cdbuffer[CD_FRAMESIZE_RAW]; |
ef79bbde P |
50 | static unsigned char subbuffer[SUB_FRAMESIZE]; |
51 | ||
52 | static unsigned char sndbuffer[CD_FRAMESIZE_RAW * 10]; | |
53 | ||
54 | #define CDDA_FRAMETIME (1000 * (sizeof(sndbuffer) / CD_FRAMESIZE_RAW) / 75) | |
55 | ||
56 | #ifdef _WIN32 | |
57 | static HANDLE threadid; | |
58 | #else | |
59 | static pthread_t threadid; | |
60 | #endif | |
61 | static unsigned int initial_offset = 0; | |
38b8102c | 62 | static boolean playing = FALSE; |
ef79bbde | 63 | static boolean cddaBigEndian = FALSE; |
77160d47 | 64 | // cdda sectors in toc, byte offset in file |
9a92bffb | 65 | static unsigned int cdda_cur_sector; |
2058d51f | 66 | static unsigned int cdda_first_sector; |
77160d47 | 67 | static unsigned int cdda_file_offset; |
8aa91443 | 68 | /* Frame offset into CD image where pregap data would be found if it was there. |
69 | * If a game seeks there we must *not* return subchannel data since it's | |
70 | * not in the CD image, so that cdrom code can fake subchannel data instead. | |
71 | * XXX: there could be multiple pregaps but PSX dumps only have one? */ | |
72 | static unsigned int pregapOffset; | |
ef79bbde | 73 | |
9a92bffb | 74 | // compressed image stuff |
75 | static struct { | |
76 | unsigned char buff_raw[16][CD_FRAMESIZE_RAW]; | |
77 | unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100]; | |
78 | unsigned int *index_table; | |
79 | unsigned int index_len; | |
0877957a | 80 | unsigned int block_shift; |
9a92bffb | 81 | unsigned int current_block; |
82 | unsigned int sector_in_blk; | |
83 | } *compr_img; | |
84 | ||
77160d47 | 85 | int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector); |
9a92bffb | 86 | |
ef79bbde P |
87 | char* CALLBACK CDR__getDriveLetter(void); |
88 | long CALLBACK CDR__configure(void); | |
89 | long CALLBACK CDR__test(void); | |
90 | void CALLBACK CDR__about(void); | |
91 | long CALLBACK CDR__setfilename(char *filename); | |
92 | long CALLBACK CDR__getStatus(struct CdrStat *stat); | |
93 | ||
19c03d80 | 94 | static void DecodeRawSubData(void); |
95 | ||
ef79bbde P |
96 | extern void *hCDRDriver; |
97 | ||
98 | struct trackinfo { | |
99 | enum {DATA, CDDA} type; | |
100 | char start[3]; // MSF-format | |
101 | char length[3]; // MSF-format | |
38b8102c | 102 | FILE *handle; // for multi-track images CDDA |
77160d47 | 103 | unsigned int start_offset; // byte offset from start of above file |
ef79bbde P |
104 | }; |
105 | ||
106 | #define MAXTRACKS 100 /* How many tracks can a CD hold? */ | |
107 | ||
108 | static int numtracks = 0; | |
109 | static struct trackinfo ti[MAXTRACKS]; | |
110 | ||
111 | // get a sector from a msf-array | |
112 | static unsigned int msf2sec(char *msf) { | |
113 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; | |
114 | } | |
115 | ||
116 | static void sec2msf(unsigned int s, char *msf) { | |
117 | msf[0] = s / 75 / 60; | |
118 | s = s - msf[0] * 75 * 60; | |
119 | msf[1] = s / 75; | |
120 | s = s - msf[1] * 75; | |
121 | msf[2] = s; | |
122 | } | |
123 | ||
124 | // divide a string of xx:yy:zz into m, s, f | |
125 | static void tok2msf(char *time, char *msf) { | |
126 | char *token; | |
127 | ||
128 | token = strtok(time, ":"); | |
129 | if (token) { | |
130 | msf[0] = atoi(token); | |
131 | } | |
132 | else { | |
133 | msf[0] = 0; | |
134 | } | |
135 | ||
136 | token = strtok(NULL, ":"); | |
137 | if (token) { | |
138 | msf[1] = atoi(token); | |
139 | } | |
140 | else { | |
141 | msf[1] = 0; | |
142 | } | |
143 | ||
144 | token = strtok(NULL, ":"); | |
145 | if (token) { | |
146 | msf[2] = atoi(token); | |
147 | } | |
148 | else { | |
149 | msf[2] = 0; | |
150 | } | |
151 | } | |
152 | ||
153 | #ifndef _WIN32 | |
154 | static long GetTickCount(void) { | |
155 | static time_t initial_time = 0; | |
156 | struct timeval now; | |
157 | ||
158 | gettimeofday(&now, NULL); | |
159 | ||
160 | if (initial_time == 0) { | |
161 | initial_time = now.tv_sec; | |
162 | } | |
163 | ||
164 | return (now.tv_sec - initial_time) * 1000L + now.tv_usec / 1000L; | |
165 | } | |
166 | #endif | |
167 | ||
168 | // this thread plays audio data | |
169 | #ifdef _WIN32 | |
170 | static void playthread(void *param) | |
171 | #else | |
172 | static void *playthread(void *param) | |
173 | #endif | |
174 | { | |
983a7cfd | 175 | long osleep, d, t, i, s; |
ef79bbde | 176 | unsigned char tmp; |
77160d47 | 177 | int ret = 0, sector_offs; |
ef79bbde P |
178 | |
179 | t = GetTickCount(); | |
180 | ||
181 | while (playing) { | |
9a92bffb | 182 | s = 0; |
183 | for (i = 0; i < sizeof(sndbuffer) / CD_FRAMESIZE_RAW; i++) { | |
77160d47 | 184 | sector_offs = cdda_cur_sector - cdda_first_sector; |
185 | if (sector_offs < 0) { | |
186 | d = CD_FRAMESIZE_RAW; | |
187 | memset(sndbuffer + s, 0, d); | |
188 | } | |
189 | else { | |
190 | d = cdimg_read_func(cddaHandle, cdda_file_offset, | |
191 | sndbuffer + s, sector_offs); | |
192 | if (d < CD_FRAMESIZE_RAW) | |
193 | break; | |
194 | } | |
2058d51f | 195 | |
9a92bffb | 196 | s += d; |
197 | cdda_cur_sector++; | |
ef79bbde | 198 | } |
19c03d80 | 199 | |
ef79bbde P |
200 | if (s == 0) { |
201 | playing = FALSE; | |
ef79bbde P |
202 | initial_offset = 0; |
203 | break; | |
204 | } | |
205 | ||
206 | if (!cdr.Muted && playing) { | |
207 | if (cddaBigEndian) { | |
208 | for (i = 0; i < s / 2; i++) { | |
209 | tmp = sndbuffer[i * 2]; | |
210 | sndbuffer[i * 2] = sndbuffer[i * 2 + 1]; | |
211 | sndbuffer[i * 2 + 1] = tmp; | |
212 | } | |
213 | } | |
214 | ||
53598a71 | 215 | // can't do it yet due to readahead.. |
216 | //cdrAttenuate((short *)sndbuffer, s / 4, 1); | |
983a7cfd | 217 | do { |
218 | ret = SPU_playCDDAchannel((short *)sndbuffer, s); | |
219 | if (ret == 0x7761) | |
220 | usleep(6 * 1000); | |
221 | } while (ret == 0x7761 && playing); // rearmed_wait | |
ef79bbde | 222 | } |
983a7cfd | 223 | |
224 | if (ret != 0x676f) { // !rearmed_go | |
225 | // do approx sleep | |
226 | long now; | |
227 | ||
228 | // HACK: stop feeding data while emu is paused | |
229 | extern int stop; | |
230 | while (stop && playing) | |
231 | usleep(10000); | |
232 | ||
233 | now = GetTickCount(); | |
234 | osleep = t - now; | |
235 | if (osleep <= 0) { | |
236 | osleep = 1; | |
237 | t = now; | |
238 | } | |
239 | else if (osleep > CDDA_FRAMETIME) { | |
240 | osleep = CDDA_FRAMETIME; | |
241 | t = now; | |
242 | } | |
243 | ||
244 | usleep(osleep * 1000); | |
245 | t += CDDA_FRAMETIME; | |
246 | } | |
247 | ||
ef79bbde P |
248 | } |
249 | ||
250 | #ifdef _WIN32 | |
251 | _endthread(); | |
252 | #else | |
253 | pthread_exit(0); | |
254 | return NULL; | |
255 | #endif | |
256 | } | |
257 | ||
258 | // stop the CDDA playback | |
259 | static void stopCDDA() { | |
260 | if (!playing) { | |
261 | return; | |
262 | } | |
263 | ||
264 | playing = FALSE; | |
265 | #ifdef _WIN32 | |
266 | WaitForSingleObject(threadid, INFINITE); | |
267 | #else | |
268 | pthread_join(threadid, NULL); | |
269 | #endif | |
ef79bbde P |
270 | } |
271 | ||
272 | // start the CDDA playback | |
77160d47 | 273 | static void startCDDA(void) { |
ef79bbde | 274 | if (playing) { |
ef79bbde P |
275 | stopCDDA(); |
276 | } | |
277 | ||
ef79bbde P |
278 | playing = TRUE; |
279 | ||
280 | #ifdef _WIN32 | |
281 | threadid = (HANDLE)_beginthread(playthread, 0, NULL); | |
282 | #else | |
283 | pthread_create(&threadid, NULL, playthread, NULL); | |
284 | #endif | |
285 | } | |
286 | ||
287 | // this function tries to get the .toc file of the given .bin | |
288 | // the necessary data is put into the ti (trackinformation)-array | |
289 | static int parsetoc(const char *isofile) { | |
290 | char tocname[MAXPATHLEN]; | |
291 | FILE *fi; | |
e999be41 | 292 | char linebuf[256], tmp[256], name[256]; |
ef79bbde P |
293 | char *token; |
294 | char time[20], time2[20]; | |
e999be41 | 295 | unsigned int t, sector_offs, sector_size; |
296 | unsigned int current_zero_gap = 0; | |
ef79bbde P |
297 | |
298 | numtracks = 0; | |
299 | ||
300 | // copy name of the iso and change extension from .bin to .toc | |
301 | strncpy(tocname, isofile, sizeof(tocname)); | |
302 | tocname[MAXPATHLEN - 1] = '\0'; | |
303 | if (strlen(tocname) >= 4) { | |
304 | strcpy(tocname + strlen(tocname) - 4, ".toc"); | |
305 | } | |
306 | else { | |
307 | return -1; | |
308 | } | |
309 | ||
310 | if ((fi = fopen(tocname, "r")) == NULL) { | |
311 | // try changing extension to .cue (to satisfy some stupid tutorials) | |
312 | strcpy(tocname + strlen(tocname) - 4, ".cue"); | |
313 | if ((fi = fopen(tocname, "r")) == NULL) { | |
314 | // if filename is image.toc.bin, try removing .bin (for Brasero) | |
315 | strcpy(tocname, isofile); | |
316 | t = strlen(tocname); | |
317 | if (t >= 8 && strcmp(tocname + t - 8, ".toc.bin") == 0) { | |
318 | tocname[t - 4] = '\0'; | |
319 | if ((fi = fopen(tocname, "r")) == NULL) { | |
320 | return -1; | |
321 | } | |
322 | } | |
323 | else { | |
324 | return -1; | |
325 | } | |
326 | } | |
327 | } | |
328 | ||
329 | memset(&ti, 0, sizeof(ti)); | |
330 | cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio | |
331 | ||
e999be41 | 332 | sector_size = CD_FRAMESIZE_RAW; |
19c03d80 | 333 | sector_offs = 2 * 75; |
334 | ||
ef79bbde P |
335 | // parse the .toc file |
336 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
337 | // search for tracks | |
e999be41 | 338 | strncpy(tmp, linebuf, sizeof(linebuf)); |
339 | token = strtok(tmp, " "); | |
ef79bbde P |
340 | |
341 | if (token == NULL) continue; | |
342 | ||
343 | if (!strcmp(token, "TRACK")) { | |
e999be41 | 344 | sector_offs += current_zero_gap; |
345 | current_zero_gap = 0; | |
346 | ||
ef79bbde P |
347 | // get type of track |
348 | token = strtok(NULL, " "); | |
349 | numtracks++; | |
350 | ||
351 | if (!strncmp(token, "MODE2_RAW", 9)) { | |
352 | ti[numtracks].type = DATA; | |
353 | sec2msf(2 * 75, ti[numtracks].start); // assume data track on 0:2:0 | |
354 | ||
355 | // check if this image contains mixed subchannel data | |
356 | token = strtok(NULL, " "); | |
e999be41 | 357 | if (token != NULL && !strncmp(token, "RW", 2)) { |
358 | sector_size = CD_FRAMESIZE_RAW + SUB_FRAMESIZE; | |
ef79bbde | 359 | subChanMixed = TRUE; |
e999be41 | 360 | if (!strncmp(token, "RW_RAW", 6)) |
361 | subChanRaw = TRUE; | |
ef79bbde P |
362 | } |
363 | } | |
364 | else if (!strncmp(token, "AUDIO", 5)) { | |
365 | ti[numtracks].type = CDDA; | |
366 | } | |
367 | } | |
368 | else if (!strcmp(token, "DATAFILE")) { | |
369 | if (ti[numtracks].type == CDDA) { | |
370 | sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2); | |
19c03d80 | 371 | ti[numtracks].start_offset = t; |
e999be41 | 372 | t = t / sector_size + sector_offs; |
ef79bbde P |
373 | sec2msf(t, (char *)&ti[numtracks].start); |
374 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
375 | } | |
376 | else { | |
377 | sscanf(linebuf, "DATAFILE \"%[^\"]\" %8s", name, time); | |
378 | tok2msf((char *)&time, (char *)&ti[numtracks].length); | |
379 | } | |
380 | } | |
381 | else if (!strcmp(token, "FILE")) { | |
382 | sscanf(linebuf, "FILE \"%[^\"]\" #%d %8s %8s", name, &t, time, time2); | |
383 | tok2msf((char *)&time, (char *)&ti[numtracks].start); | |
e999be41 | 384 | t += msf2sec(ti[numtracks].start) * sector_size; |
19c03d80 | 385 | ti[numtracks].start_offset = t; |
e999be41 | 386 | t = t / sector_size + sector_offs; |
ef79bbde P |
387 | sec2msf(t, (char *)&ti[numtracks].start); |
388 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
389 | } | |
e999be41 | 390 | else if (!strcmp(token, "ZERO") || !strcmp(token, "SILENCE")) { |
391 | // skip unneeded optional fields | |
392 | while (token != NULL) { | |
393 | token = strtok(NULL, " "); | |
394 | if (strchr(token, ':') != NULL) | |
395 | break; | |
396 | } | |
397 | if (token != NULL) { | |
398 | tok2msf(token, tmp); | |
399 | current_zero_gap = msf2sec(tmp); | |
400 | } | |
8aa91443 | 401 | if (numtracks > 1) { |
402 | t = ti[numtracks - 1].start_offset; | |
e999be41 | 403 | t /= sector_size; |
8aa91443 | 404 | pregapOffset = t + msf2sec(ti[numtracks - 1].length); |
405 | } | |
19c03d80 | 406 | } |
e999be41 | 407 | else if (!strcmp(token, "START")) { |
408 | token = strtok(NULL, " "); | |
409 | if (token != NULL && strchr(token, ':')) { | |
410 | tok2msf(token, tmp); | |
411 | t = msf2sec(tmp); | |
412 | ti[numtracks].start_offset += (t - current_zero_gap) * sector_size; | |
413 | t = msf2sec(ti[numtracks].start) + t; | |
414 | sec2msf(t, (char *)&ti[numtracks].start); | |
415 | } | |
416 | } | |
ef79bbde P |
417 | } |
418 | ||
419 | fclose(fi); | |
420 | ||
421 | return 0; | |
422 | } | |
423 | ||
424 | // this function tries to get the .cue file of the given .bin | |
425 | // the necessary data is put into the ti (trackinformation)-array | |
426 | static int parsecue(const char *isofile) { | |
427 | char cuename[MAXPATHLEN]; | |
38b8102c | 428 | char filepath[MAXPATHLEN]; |
429 | char *incue_fname; | |
ef79bbde P |
430 | FILE *fi; |
431 | char *token; | |
432 | char time[20]; | |
433 | char *tmp; | |
19c03d80 | 434 | char linebuf[256], tmpb[256], dummy[256]; |
38b8102c | 435 | unsigned int incue_max_len; |
77160d47 | 436 | unsigned int t, file_len, mode, sector_offs; |
437 | unsigned int sector_size = 2352; | |
ef79bbde P |
438 | |
439 | numtracks = 0; | |
440 | ||
441 | // copy name of the iso and change extension from .bin to .cue | |
442 | strncpy(cuename, isofile, sizeof(cuename)); | |
443 | cuename[MAXPATHLEN - 1] = '\0'; | |
444 | if (strlen(cuename) >= 4) { | |
445 | strcpy(cuename + strlen(cuename) - 4, ".cue"); | |
446 | } | |
447 | else { | |
448 | return -1; | |
449 | } | |
450 | ||
451 | if ((fi = fopen(cuename, "r")) == NULL) { | |
452 | return -1; | |
453 | } | |
454 | ||
455 | // Some stupid tutorials wrongly tell users to use cdrdao to rip a | |
456 | // "bin/cue" image, which is in fact a "bin/toc" image. So let's check | |
457 | // that... | |
458 | if (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
459 | if (!strncmp(linebuf, "CD_ROM_XA", 9)) { | |
460 | // Don't proceed further, as this is actually a .toc file rather | |
461 | // than a .cue file. | |
462 | fclose(fi); | |
463 | return parsetoc(isofile); | |
464 | } | |
465 | fseek(fi, 0, SEEK_SET); | |
466 | } | |
467 | ||
38b8102c | 468 | // build a path for files referenced in .cue |
469 | strncpy(filepath, cuename, sizeof(filepath)); | |
470 | tmp = strrchr(filepath, '/') + 1; | |
471 | if (tmp == NULL) | |
472 | tmp = strrchr(filepath, '\\') + 1; | |
473 | if (tmp == NULL) | |
474 | tmp = filepath; | |
475 | *tmp = 0; | |
476 | filepath[sizeof(filepath) - 1] = 0; | |
477 | incue_fname = tmp; | |
478 | incue_max_len = sizeof(filepath) - (tmp - filepath) - 1; | |
479 | ||
ef79bbde P |
480 | memset(&ti, 0, sizeof(ti)); |
481 | ||
19c03d80 | 482 | file_len = 0; |
483 | sector_offs = 2 * 75; | |
484 | ||
ef79bbde P |
485 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { |
486 | strncpy(dummy, linebuf, sizeof(linebuf)); | |
487 | token = strtok(dummy, " "); | |
488 | ||
489 | if (token == NULL) { | |
490 | continue; | |
491 | } | |
492 | ||
19c03d80 | 493 | if (!strcmp(token, "TRACK")) { |
ef79bbde P |
494 | numtracks++; |
495 | ||
77160d47 | 496 | sector_size = 0; |
ef79bbde P |
497 | if (strstr(linebuf, "AUDIO") != NULL) { |
498 | ti[numtracks].type = CDDA; | |
77160d47 | 499 | sector_size = 2352; |
ef79bbde | 500 | } |
77160d47 | 501 | else if (sscanf(linebuf, " TRACK %u MODE%u/%u", &t, &mode, §or_size) == 3) |
ef79bbde | 502 | ti[numtracks].type = DATA; |
77160d47 | 503 | else { |
504 | SysPrintf(".cue: failed to parse TRACK\n"); | |
505 | ti[numtracks].type = numtracks == 1 ? DATA : CDDA; | |
ef79bbde | 506 | } |
77160d47 | 507 | if (sector_size == 0) |
508 | sector_size = 2352; | |
ef79bbde P |
509 | } |
510 | else if (!strcmp(token, "INDEX")) { | |
77160d47 | 511 | if (sscanf(linebuf, " INDEX %02d %8s", &t, time) != 2) |
512 | SysPrintf(".cue: failed to parse INDEX\n"); | |
19c03d80 | 513 | tok2msf(time, (char *)&ti[numtracks].start); |
ef79bbde | 514 | |
19c03d80 | 515 | t = msf2sec(ti[numtracks].start); |
77160d47 | 516 | ti[numtracks].start_offset = t * sector_size; |
19c03d80 | 517 | t += sector_offs; |
ef79bbde | 518 | sec2msf(t, ti[numtracks].start); |
19c03d80 | 519 | |
520 | // default track length to file length | |
77160d47 | 521 | t = file_len - ti[numtracks].start_offset / sector_size; |
19c03d80 | 522 | sec2msf(t, ti[numtracks].length); |
523 | ||
524 | if (numtracks > 1 && ti[numtracks].handle == NULL) { | |
525 | // this track uses the same file as the last, | |
526 | // start of this track is last track's end | |
527 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
528 | sec2msf(t, ti[numtracks - 1].length); | |
38b8102c | 529 | } |
8aa91443 | 530 | if (numtracks > 1 && pregapOffset == -1) |
77160d47 | 531 | pregapOffset = ti[numtracks].start_offset / sector_size; |
19c03d80 | 532 | } |
533 | else if (!strcmp(token, "PREGAP")) { | |
534 | if (sscanf(linebuf, " PREGAP %8s", time) == 1) { | |
535 | tok2msf(time, dummy); | |
536 | sector_offs += msf2sec(dummy); | |
38b8102c | 537 | } |
8aa91443 | 538 | pregapOffset = -1; // mark to fill track start_offset |
19c03d80 | 539 | } |
540 | else if (!strcmp(token, "FILE")) { | |
385c023b | 541 | t = sscanf(linebuf, " FILE \"%256[^\"]\"", tmpb); |
542 | if (t != 1) | |
543 | sscanf(linebuf, " FILE %256s", tmpb); | |
19c03d80 | 544 | |
545 | // absolute path? | |
546 | ti[numtracks + 1].handle = fopen(tmpb, "rb"); | |
547 | if (ti[numtracks + 1].handle == NULL) { | |
548 | // relative to .cue? | |
549 | tmp = strrchr(tmpb, '\\'); | |
550 | if (tmp == NULL) | |
551 | tmp = strrchr(tmpb, '/'); | |
38b8102c | 552 | if (tmp != NULL) |
19c03d80 | 553 | tmp++; |
554 | else | |
555 | tmp = tmpb; | |
556 | strncpy(incue_fname, tmp, incue_max_len); | |
557 | ti[numtracks + 1].handle = fopen(filepath, "rb"); | |
38b8102c | 558 | } |
ef79bbde | 559 | |
19c03d80 | 560 | // update global offset if this is not first file in this .cue |
561 | if (numtracks + 1 > 1) | |
562 | sector_offs += file_len; | |
563 | ||
564 | file_len = 0; | |
38b8102c | 565 | if (ti[numtracks + 1].handle == NULL) { |
19c03d80 | 566 | SysPrintf(_("\ncould not open: %s\n"), filepath); |
567 | continue; | |
38b8102c | 568 | } |
19c03d80 | 569 | fseek(ti[numtracks + 1].handle, 0, SEEK_END); |
570 | file_len = ftell(ti[numtracks + 1].handle) / 2352; | |
571 | ||
572 | if (numtracks == 0 && strlen(isofile) >= 4 && | |
573 | strcmp(isofile + strlen(isofile) - 4, ".cue") == 0) | |
574 | { | |
38b8102c | 575 | // user selected .cue as image file, use it's data track instead |
576 | fclose(cdHandle); | |
577 | cdHandle = fopen(filepath, "rb"); | |
ef79bbde P |
578 | } |
579 | } | |
580 | } | |
581 | ||
582 | fclose(fi); | |
583 | ||
ef79bbde P |
584 | return 0; |
585 | } | |
586 | ||
587 | // this function tries to get the .ccd file of the given .img | |
588 | // the necessary data is put into the ti (trackinformation)-array | |
589 | static int parseccd(const char *isofile) { | |
590 | char ccdname[MAXPATHLEN]; | |
591 | FILE *fi; | |
592 | char linebuf[256]; | |
593 | unsigned int t; | |
594 | ||
595 | numtracks = 0; | |
596 | ||
597 | // copy name of the iso and change extension from .img to .ccd | |
598 | strncpy(ccdname, isofile, sizeof(ccdname)); | |
599 | ccdname[MAXPATHLEN - 1] = '\0'; | |
600 | if (strlen(ccdname) >= 4) { | |
601 | strcpy(ccdname + strlen(ccdname) - 4, ".ccd"); | |
602 | } | |
603 | else { | |
604 | return -1; | |
605 | } | |
606 | ||
607 | if ((fi = fopen(ccdname, "r")) == NULL) { | |
608 | return -1; | |
609 | } | |
610 | ||
611 | memset(&ti, 0, sizeof(ti)); | |
612 | ||
613 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
614 | if (!strncmp(linebuf, "[TRACK", 6)){ | |
615 | numtracks++; | |
616 | } | |
617 | else if (!strncmp(linebuf, "MODE=", 5)) { | |
618 | sscanf(linebuf, "MODE=%d", &t); | |
619 | ti[numtracks].type = ((t == 0) ? CDDA : DATA); | |
620 | } | |
621 | else if (!strncmp(linebuf, "INDEX 1=", 8)) { | |
622 | sscanf(linebuf, "INDEX 1=%d", &t); | |
623 | sec2msf(t + 2 * 75, ti[numtracks].start); | |
77160d47 | 624 | ti[numtracks].start_offset = t * 2352; |
ef79bbde P |
625 | |
626 | // If we've already seen another track, this is its end | |
627 | if (numtracks > 1) { | |
628 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
629 | sec2msf(t, ti[numtracks - 1].length); | |
630 | } | |
631 | } | |
632 | } | |
633 | ||
634 | fclose(fi); | |
635 | ||
636 | // Fill out the last track's end based on size | |
637 | if (numtracks >= 1) { | |
638 | fseek(cdHandle, 0, SEEK_END); | |
639 | t = ftell(cdHandle) / 2352 - msf2sec(ti[numtracks].start) + 2 * 75; | |
640 | sec2msf(t, ti[numtracks].length); | |
641 | } | |
642 | ||
643 | return 0; | |
644 | } | |
645 | ||
646 | // this function tries to get the .mds file of the given .mdf | |
647 | // the necessary data is put into the ti (trackinformation)-array | |
648 | static int parsemds(const char *isofile) { | |
649 | char mdsname[MAXPATHLEN]; | |
650 | FILE *fi; | |
651 | unsigned int offset, extra_offset, l, i; | |
652 | unsigned short s; | |
653 | ||
654 | numtracks = 0; | |
655 | ||
656 | // copy name of the iso and change extension from .mdf to .mds | |
657 | strncpy(mdsname, isofile, sizeof(mdsname)); | |
658 | mdsname[MAXPATHLEN - 1] = '\0'; | |
659 | if (strlen(mdsname) >= 4) { | |
660 | strcpy(mdsname + strlen(mdsname) - 4, ".mds"); | |
661 | } | |
662 | else { | |
663 | return -1; | |
664 | } | |
665 | ||
666 | if ((fi = fopen(mdsname, "rb")) == NULL) { | |
667 | return -1; | |
668 | } | |
669 | ||
670 | memset(&ti, 0, sizeof(ti)); | |
671 | ||
672 | // check if it's a valid mds file | |
673 | fread(&i, 1, sizeof(unsigned int), fi); | |
674 | i = SWAP32(i); | |
675 | if (i != 0x4944454D) { | |
676 | // not an valid mds file | |
677 | fclose(fi); | |
678 | return -1; | |
679 | } | |
680 | ||
681 | // get offset to session block | |
682 | fseek(fi, 0x50, SEEK_SET); | |
683 | fread(&offset, 1, sizeof(unsigned int), fi); | |
684 | offset = SWAP32(offset); | |
685 | ||
686 | // get total number of tracks | |
687 | offset += 14; | |
688 | fseek(fi, offset, SEEK_SET); | |
689 | fread(&s, 1, sizeof(unsigned short), fi); | |
690 | s = SWAP16(s); | |
691 | numtracks = s; | |
692 | ||
693 | // get offset to track blocks | |
694 | fseek(fi, 4, SEEK_CUR); | |
695 | fread(&offset, 1, sizeof(unsigned int), fi); | |
696 | offset = SWAP32(offset); | |
697 | ||
698 | // skip lead-in data | |
699 | while (1) { | |
700 | fseek(fi, offset + 4, SEEK_SET); | |
701 | if (fgetc(fi) < 0xA0) { | |
702 | break; | |
703 | } | |
704 | offset += 0x50; | |
705 | } | |
706 | ||
707 | // check if the image contains mixed subchannel data | |
708 | fseek(fi, offset + 1, SEEK_SET); | |
77160d47 | 709 | subChanMixed = subChanRaw = (fgetc(fi) ? TRUE : FALSE); |
ef79bbde P |
710 | |
711 | // read track data | |
712 | for (i = 1; i <= numtracks; i++) { | |
713 | fseek(fi, offset, SEEK_SET); | |
714 | ||
715 | // get the track type | |
716 | ti[i].type = ((fgetc(fi) == 0xA9) ? CDDA : DATA); | |
717 | fseek(fi, 8, SEEK_CUR); | |
718 | ||
719 | // get the track starting point | |
720 | ti[i].start[0] = fgetc(fi); | |
721 | ti[i].start[1] = fgetc(fi); | |
722 | ti[i].start[2] = fgetc(fi); | |
723 | ||
ef79bbde P |
724 | fread(&extra_offset, 1, sizeof(unsigned int), fi); |
725 | extra_offset = SWAP32(extra_offset); | |
726 | ||
19c03d80 | 727 | // get track start offset (in .mdf) |
728 | fseek(fi, offset + 0x28, SEEK_SET); | |
729 | fread(&l, 1, sizeof(unsigned int), fi); | |
730 | l = SWAP32(l); | |
77160d47 | 731 | ti[i].start_offset = l; |
19c03d80 | 732 | |
8aa91443 | 733 | // get pregap |
734 | fseek(fi, extra_offset, SEEK_SET); | |
735 | fread(&l, 1, sizeof(unsigned int), fi); | |
736 | l = SWAP32(l); | |
737 | if (l != 0 && i > 1) | |
77160d47 | 738 | pregapOffset = msf2sec(ti[i].start); |
8aa91443 | 739 | |
740 | // get the track length | |
741 | fread(&l, 1, sizeof(unsigned int), fi); | |
742 | l = SWAP32(l); | |
743 | sec2msf(l, ti[i].length); | |
744 | ||
ef79bbde P |
745 | offset += 0x50; |
746 | } | |
747 | ||
748 | fclose(fi); | |
749 | return 0; | |
750 | } | |
751 | ||
0877957a | 752 | static int handlepbp(const char *isofile) { |
9a92bffb | 753 | struct { |
754 | unsigned int sig; | |
755 | unsigned int dontcare[8]; | |
756 | unsigned int psar_offs; | |
757 | } pbp_hdr; | |
758 | struct { | |
759 | unsigned char type; | |
760 | unsigned char pad0; | |
761 | unsigned char track; | |
762 | char index0[3]; | |
763 | char pad1; | |
764 | char index1[3]; | |
765 | } toc_entry; | |
766 | struct { | |
767 | unsigned int offset; | |
768 | unsigned int size; | |
769 | unsigned int dontcare[6]; | |
770 | } index_entry; | |
0c2871a7 | 771 | char psar_sig[11]; |
9a92bffb | 772 | unsigned int t, cd_length, cdimg_base; |
0c2871a7 | 773 | unsigned int offsettab[8], psisoimg_offs; |
9a92bffb | 774 | const char *ext = NULL; |
775 | int i, ret; | |
776 | ||
777 | if (strlen(isofile) >= 4) | |
778 | ext = isofile + strlen(isofile) - 4; | |
779 | if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0)) | |
780 | return -1; | |
781 | ||
782 | numtracks = 0; | |
783 | ||
784 | ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle); | |
785 | if (ret != sizeof(pbp_hdr)) { | |
f29fbd53 | 786 | SysPrintf("failed to read pbp\n"); |
9a92bffb | 787 | goto fail_io; |
788 | } | |
789 | ||
790 | ret = fseek(cdHandle, pbp_hdr.psar_offs, SEEK_SET); | |
791 | if (ret != 0) { | |
f29fbd53 | 792 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs); |
9a92bffb | 793 | goto fail_io; |
794 | } | |
795 | ||
0c2871a7 | 796 | psisoimg_offs = pbp_hdr.psar_offs; |
9a92bffb | 797 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); |
0c2871a7 | 798 | psar_sig[10] = 0; |
799 | if (strcmp(psar_sig, "PSTITLEIMG") == 0) { | |
800 | // multidisk image? | |
801 | ret = fseek(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET); | |
802 | if (ret != 0) { | |
f29fbd53 | 803 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs + 0x200); |
0c2871a7 | 804 | goto fail_io; |
805 | } | |
806 | ||
807 | if (fread(&offsettab, 1, sizeof(offsettab), cdHandle) != sizeof(offsettab)) { | |
f29fbd53 | 808 | SysPrintf("failed to read offsettab\n"); |
0c2871a7 | 809 | goto fail_io; |
810 | } | |
811 | ||
812 | for (i = 0; i < sizeof(offsettab) / sizeof(offsettab[0]); i++) { | |
813 | if (offsettab[i] == 0) | |
814 | break; | |
815 | } | |
816 | cdrIsoMultidiskCount = i; | |
817 | if (cdrIsoMultidiskCount == 0) { | |
f29fbd53 | 818 | SysPrintf("multidisk eboot has 0 images?\n"); |
0c2871a7 | 819 | goto fail_io; |
820 | } | |
821 | ||
822 | if (cdrIsoMultidiskSelect >= cdrIsoMultidiskCount) | |
823 | cdrIsoMultidiskSelect = 0; | |
824 | ||
825 | psisoimg_offs += offsettab[cdrIsoMultidiskSelect]; | |
826 | ||
827 | ret = fseek(cdHandle, psisoimg_offs, SEEK_SET); | |
828 | if (ret != 0) { | |
f29fbd53 | 829 | SysPrintf("failed to seek to %x\n", psisoimg_offs); |
0c2871a7 | 830 | goto fail_io; |
831 | } | |
832 | ||
833 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); | |
834 | psar_sig[10] = 0; | |
835 | } | |
836 | ||
837 | if (strcmp(psar_sig, "PSISOIMG00") != 0) { | |
f29fbd53 | 838 | SysPrintf("bad psar_sig: %s\n", psar_sig); |
9a92bffb | 839 | goto fail_io; |
840 | } | |
841 | ||
842 | // seek to TOC | |
0c2871a7 | 843 | ret = fseek(cdHandle, psisoimg_offs + 0x800, SEEK_SET); |
9a92bffb | 844 | if (ret != 0) { |
f29fbd53 | 845 | SysPrintf("failed to seek to %x\n", psisoimg_offs + 0x800); |
9a92bffb | 846 | goto fail_io; |
847 | } | |
848 | ||
849 | // first 3 entries are special | |
850 | fseek(cdHandle, sizeof(toc_entry), SEEK_CUR); | |
851 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
852 | numtracks = btoi(toc_entry.index1[0]); | |
853 | ||
854 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
855 | cd_length = btoi(toc_entry.index1[0]) * 60 * 75 + | |
856 | btoi(toc_entry.index1[1]) * 75 + btoi(toc_entry.index1[2]); | |
857 | ||
858 | for (i = 1; i <= numtracks; i++) { | |
859 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
860 | ||
861 | ti[i].type = (toc_entry.type == 1) ? CDDA : DATA; | |
862 | ||
863 | ti[i].start_offset = btoi(toc_entry.index0[0]) * 60 * 75 + | |
864 | btoi(toc_entry.index0[1]) * 75 + btoi(toc_entry.index0[2]); | |
77160d47 | 865 | ti[i].start_offset *= 2352; |
9a92bffb | 866 | ti[i].start[0] = btoi(toc_entry.index1[0]); |
867 | ti[i].start[1] = btoi(toc_entry.index1[1]); | |
868 | ti[i].start[2] = btoi(toc_entry.index1[2]); | |
869 | ||
870 | if (i > 1) { | |
871 | t = msf2sec(ti[i].start) - msf2sec(ti[i - 1].start); | |
872 | sec2msf(t, ti[i - 1].length); | |
873 | } | |
874 | } | |
77160d47 | 875 | t = cd_length - ti[numtracks].start_offset / 2352; |
9a92bffb | 876 | sec2msf(t, ti[numtracks].length); |
877 | ||
878 | // seek to ISO index | |
0c2871a7 | 879 | ret = fseek(cdHandle, psisoimg_offs + 0x4000, SEEK_SET); |
9a92bffb | 880 | if (ret != 0) { |
f29fbd53 | 881 | SysPrintf("failed to seek to ISO index\n"); |
9a92bffb | 882 | goto fail_io; |
883 | } | |
884 | ||
885 | compr_img = calloc(1, sizeof(*compr_img)); | |
886 | if (compr_img == NULL) | |
887 | goto fail_io; | |
888 | ||
0877957a | 889 | compr_img->block_shift = 4; |
9a92bffb | 890 | compr_img->current_block = (unsigned int)-1; |
891 | ||
892 | compr_img->index_len = (0x100000 - 0x4000) / sizeof(index_entry); | |
893 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
894 | if (compr_img->index_table == NULL) | |
895 | goto fail_io; | |
896 | ||
0c2871a7 | 897 | cdimg_base = psisoimg_offs + 0x100000; |
9a92bffb | 898 | for (i = 0; i < compr_img->index_len; i++) { |
899 | ret = fread(&index_entry, 1, sizeof(index_entry), cdHandle); | |
900 | if (ret != sizeof(index_entry)) { | |
f29fbd53 | 901 | SysPrintf("failed to read index_entry #%d\n", i); |
9a92bffb | 902 | goto fail_index; |
903 | } | |
904 | ||
905 | if (index_entry.size == 0) | |
906 | break; | |
907 | ||
908 | compr_img->index_table[i] = cdimg_base + index_entry.offset; | |
909 | } | |
910 | compr_img->index_table[i] = cdimg_base + index_entry.offset + index_entry.size; | |
911 | ||
912 | return 0; | |
913 | ||
914 | fail_index: | |
915 | free(compr_img->index_table); | |
916 | compr_img->index_table = NULL; | |
917 | fail_io: | |
0877957a | 918 | if (compr_img != NULL) { |
919 | free(compr_img); | |
920 | compr_img = NULL; | |
921 | } | |
922 | return -1; | |
923 | } | |
924 | ||
925 | static int handlecbin(const char *isofile) { | |
926 | struct | |
927 | { | |
928 | char magic[4]; | |
929 | unsigned int header_size; | |
930 | unsigned long long total_bytes; | |
931 | unsigned int block_size; | |
932 | unsigned char ver; // 1 | |
933 | unsigned char align; | |
934 | unsigned char rsv_06[2]; | |
935 | } ciso_hdr; | |
936 | const char *ext = NULL; | |
0c2871a7 | 937 | unsigned int index = 0, plain; |
0877957a | 938 | int i, ret; |
939 | ||
940 | if (strlen(isofile) >= 5) | |
941 | ext = isofile + strlen(isofile) - 5; | |
942 | if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0)) | |
943 | return -1; | |
944 | ||
945 | ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle); | |
946 | if (ret != sizeof(ciso_hdr)) { | |
f29fbd53 | 947 | SysPrintf("failed to read ciso header\n"); |
0877957a | 948 | return -1; |
949 | } | |
950 | ||
951 | if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) { | |
f29fbd53 | 952 | SysPrintf("bad ciso header\n"); |
0877957a | 953 | return -1; |
954 | } | |
955 | if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) { | |
956 | ret = fseek(cdHandle, ciso_hdr.header_size, SEEK_SET); | |
957 | if (ret != 0) { | |
f29fbd53 | 958 | SysPrintf("failed to seek to %x\n", ciso_hdr.header_size); |
0877957a | 959 | return -1; |
960 | } | |
961 | } | |
962 | ||
963 | compr_img = calloc(1, sizeof(*compr_img)); | |
964 | if (compr_img == NULL) | |
965 | goto fail_io; | |
966 | ||
967 | compr_img->block_shift = 0; | |
968 | compr_img->current_block = (unsigned int)-1; | |
969 | ||
970 | compr_img->index_len = ciso_hdr.total_bytes / ciso_hdr.block_size; | |
971 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
972 | if (compr_img->index_table == NULL) | |
973 | goto fail_io; | |
974 | ||
975 | ret = fread(compr_img->index_table, sizeof(compr_img->index_table[0]), compr_img->index_len, cdHandle); | |
976 | if (ret != compr_img->index_len) { | |
f29fbd53 | 977 | SysPrintf("failed to read index table\n"); |
0877957a | 978 | goto fail_index; |
979 | } | |
980 | ||
981 | for (i = 0; i < compr_img->index_len + 1; i++) { | |
982 | index = compr_img->index_table[i]; | |
983 | plain = index & 0x80000000; | |
984 | index &= 0x7fffffff; | |
985 | compr_img->index_table[i] = (index << ciso_hdr.align) | plain; | |
986 | } | |
987 | if ((long long)index << ciso_hdr.align >= 0x80000000ll) | |
f29fbd53 | 988 | SysPrintf("warning: ciso img too large, expect problems\n"); |
0877957a | 989 | |
990 | return 0; | |
991 | ||
992 | fail_index: | |
993 | free(compr_img->index_table); | |
994 | compr_img->index_table = NULL; | |
995 | fail_io: | |
996 | if (compr_img != NULL) { | |
997 | free(compr_img); | |
998 | compr_img = NULL; | |
999 | } | |
9a92bffb | 1000 | return -1; |
1001 | } | |
1002 | ||
ef79bbde P |
1003 | // this function tries to get the .sub file of the given .img |
1004 | static int opensubfile(const char *isoname) { | |
1005 | char subname[MAXPATHLEN]; | |
1006 | ||
1007 | // copy name of the iso and change extension from .img to .sub | |
1008 | strncpy(subname, isoname, sizeof(subname)); | |
1009 | subname[MAXPATHLEN - 1] = '\0'; | |
1010 | if (strlen(subname) >= 4) { | |
1011 | strcpy(subname + strlen(subname) - 4, ".sub"); | |
1012 | } | |
1013 | else { | |
1014 | return -1; | |
1015 | } | |
1016 | ||
1017 | subHandle = fopen(subname, "rb"); | |
1018 | if (subHandle == NULL) { | |
1019 | return -1; | |
1020 | } | |
1021 | ||
1022 | return 0; | |
1023 | } | |
1024 | ||
ae4e7dc9 | 1025 | static int opensbifile(const char *isoname) { |
1026 | char sbiname[MAXPATHLEN]; | |
1027 | int s; | |
1028 | ||
1029 | strncpy(sbiname, isoname, sizeof(sbiname)); | |
1030 | sbiname[MAXPATHLEN - 1] = '\0'; | |
1031 | if (strlen(sbiname) >= 4) { | |
1032 | strcpy(sbiname + strlen(sbiname) - 4, ".sbi"); | |
1033 | } | |
1034 | else { | |
1035 | return -1; | |
1036 | } | |
1037 | ||
1038 | fseek(cdHandle, 0, SEEK_END); | |
1039 | s = ftell(cdHandle) / 2352; | |
1040 | ||
1041 | return LoadSBI(sbiname, s); | |
1042 | } | |
1043 | ||
77160d47 | 1044 | static int cdread_normal(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1045 | { |
77160d47 | 1046 | fseek(f, base + sector * CD_FRAMESIZE_RAW, SEEK_SET); |
81abe4d5 | 1047 | return fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1048 | } |
1049 | ||
77160d47 | 1050 | static int cdread_sub_mixed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1051 | { |
1052 | int ret; | |
1053 | ||
77160d47 | 1054 | fseek(f, base + sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET); |
81abe4d5 | 1055 | ret = fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1056 | fread(subbuffer, 1, SUB_FRAMESIZE, f); |
1057 | ||
1058 | if (subChanRaw) DecodeRawSubData(); | |
1059 | ||
1060 | return ret; | |
1061 | } | |
1062 | ||
1063 | static int uncompress2(void *out, unsigned long *out_size, void *in, unsigned long in_size) | |
1064 | { | |
1065 | static z_stream z; | |
1066 | int ret = 0; | |
1067 | ||
1068 | if (z.zalloc == NULL) { | |
1069 | // XXX: one-time leak here.. | |
1070 | z.next_in = Z_NULL; | |
1071 | z.avail_in = 0; | |
1072 | z.zalloc = Z_NULL; | |
1073 | z.zfree = Z_NULL; | |
1074 | z.opaque = Z_NULL; | |
1075 | ret = inflateInit2(&z, -15); | |
1076 | } | |
1077 | else | |
1078 | ret = inflateReset(&z); | |
1079 | if (ret != Z_OK) | |
1080 | return ret; | |
1081 | ||
1082 | z.next_in = in; | |
1083 | z.avail_in = in_size; | |
1084 | z.next_out = out; | |
1085 | z.avail_out = *out_size; | |
1086 | ||
1087 | ret = inflate(&z, Z_NO_FLUSH); | |
1088 | //inflateEnd(&z); | |
1089 | ||
1090 | *out_size -= z.avail_out; | |
1091 | return ret == 1 ? 0 : ret; | |
1092 | } | |
1093 | ||
77160d47 | 1094 | static int cdread_compressed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1095 | { |
0877957a | 1096 | unsigned long cdbuffer_size, cdbuffer_size_expect; |
9a92bffb | 1097 | unsigned int start_byte, size; |
0877957a | 1098 | int is_compressed; |
9a92bffb | 1099 | int ret, block; |
1100 | ||
77160d47 | 1101 | if (base) |
1102 | sector += base / 2352; | |
1103 | ||
0877957a | 1104 | block = sector >> compr_img->block_shift; |
1105 | compr_img->sector_in_blk = sector & ((1 << compr_img->block_shift) - 1); | |
9a92bffb | 1106 | |
1107 | if (block == compr_img->current_block) { | |
1108 | //printf("hit sect %d\n", sector); | |
1109 | goto finish; | |
1110 | } | |
1111 | ||
1112 | if (sector >= compr_img->index_len * 16) { | |
f29fbd53 | 1113 | SysPrintf("sector %d is past img end\n", sector); |
9a92bffb | 1114 | return -1; |
1115 | } | |
1116 | ||
0877957a | 1117 | start_byte = compr_img->index_table[block] & 0x7fffffff; |
9a92bffb | 1118 | if (fseek(cdHandle, start_byte, SEEK_SET) != 0) { |
f29fbd53 | 1119 | SysPrintf("seek error for block %d at %x: ", |
9a92bffb | 1120 | block, start_byte); |
1121 | perror(NULL); | |
1122 | return -1; | |
1123 | } | |
1124 | ||
0877957a | 1125 | is_compressed = !(compr_img->index_table[block] & 0x80000000); |
1126 | size = (compr_img->index_table[block + 1] & 0x7fffffff) - start_byte; | |
9a92bffb | 1127 | if (size > sizeof(compr_img->buff_compressed)) { |
f29fbd53 | 1128 | SysPrintf("block %d is too large: %u\n", block, size); |
9a92bffb | 1129 | return -1; |
1130 | } | |
1131 | ||
0877957a | 1132 | if (fread(is_compressed ? compr_img->buff_compressed : compr_img->buff_raw[0], |
1133 | 1, size, cdHandle) != size) { | |
f29fbd53 | 1134 | SysPrintf("read error for block %d at %x: ", block, start_byte); |
9a92bffb | 1135 | perror(NULL); |
1136 | return -1; | |
1137 | } | |
1138 | ||
0877957a | 1139 | if (is_compressed) { |
1140 | cdbuffer_size_expect = sizeof(compr_img->buff_raw[0]) << compr_img->block_shift; | |
1141 | cdbuffer_size = cdbuffer_size_expect; | |
1142 | ret = uncompress2(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size); | |
1143 | if (ret != 0) { | |
f29fbd53 | 1144 | SysPrintf("uncompress failed with %d for block %d, sector %d\n", |
0877957a | 1145 | ret, block, sector); |
1146 | return -1; | |
1147 | } | |
1148 | if (cdbuffer_size != cdbuffer_size_expect) | |
f29fbd53 | 1149 | SysPrintf("cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size, |
0877957a | 1150 | cdbuffer_size_expect, sector); |
9a92bffb | 1151 | } |
9a92bffb | 1152 | |
1153 | // done at last! | |
1154 | compr_img->current_block = block; | |
1155 | ||
1156 | finish: | |
1157 | if (dest != cdbuffer) // copy avoid HACK | |
81abe4d5 | 1158 | memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk], |
1159 | CD_FRAMESIZE_RAW); | |
1160 | return CD_FRAMESIZE_RAW; | |
9a92bffb | 1161 | } |
1162 | ||
77160d47 | 1163 | static int cdread_2048(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1164 | { |
1165 | int ret; | |
1166 | ||
77160d47 | 1167 | fseek(f, base + sector * 2048, SEEK_SET); |
81abe4d5 | 1168 | ret = fread((char *)dest + 12 * 2, 1, 2048, f); |
9a92bffb | 1169 | |
1170 | // not really necessary, fake mode 2 header | |
81abe4d5 | 1171 | memset(cdbuffer, 0, 12 * 2); |
1172 | sec2msf(sector + 2 * 75, (char *)&cdbuffer[12]); | |
1173 | cdbuffer[12 + 3] = 1; | |
9a92bffb | 1174 | |
1175 | return ret; | |
1176 | } | |
1177 | ||
1178 | static unsigned char * CALLBACK ISOgetBuffer_compr(void) { | |
1179 | return compr_img->buff_raw[compr_img->sector_in_blk] + 12; | |
1180 | } | |
1181 | ||
1182 | static unsigned char * CALLBACK ISOgetBuffer(void) { | |
81abe4d5 | 1183 | return cdbuffer + 12; |
9a92bffb | 1184 | } |
1185 | ||
ef79bbde P |
1186 | static void PrintTracks(void) { |
1187 | int i; | |
1188 | ||
1189 | for (i = 1; i <= numtracks; i++) { | |
1190 | SysPrintf(_("Track %.2d (%s) - Start %.2d:%.2d:%.2d, Length %.2d:%.2d:%.2d\n"), | |
1191 | i, (ti[i].type == DATA ? "DATA" : "AUDIO"), | |
1192 | ti[i].start[0], ti[i].start[1], ti[i].start[2], | |
1193 | ti[i].length[0], ti[i].length[1], ti[i].length[2]); | |
1194 | } | |
1195 | } | |
1196 | ||
1197 | // This function is invoked by the front-end when opening an ISO | |
1198 | // file for playback | |
1199 | static long CALLBACK ISOopen(void) { | |
9a92bffb | 1200 | boolean isMode1ISO = FALSE; |
1201 | ||
ef79bbde P |
1202 | if (cdHandle != NULL) { |
1203 | return 0; // it's already open | |
1204 | } | |
1205 | ||
1206 | cdHandle = fopen(GetIsoFile(), "rb"); | |
1207 | if (cdHandle == NULL) { | |
1208 | return -1; | |
1209 | } | |
1210 | ||
1211 | SysPrintf(_("Loaded CD Image: %s"), GetIsoFile()); | |
1212 | ||
1213 | cddaBigEndian = FALSE; | |
1214 | subChanMixed = FALSE; | |
1215 | subChanRaw = FALSE; | |
8aa91443 | 1216 | pregapOffset = 0; |
0c2871a7 | 1217 | cdrIsoMultidiskCount = 1; |
ef79bbde | 1218 | |
9a92bffb | 1219 | CDR_getBuffer = ISOgetBuffer; |
1220 | cdimg_read_func = cdread_normal; | |
1221 | ||
ef79bbde P |
1222 | if (parsecue(GetIsoFile()) == 0) { |
1223 | SysPrintf("[+cue]"); | |
1224 | } | |
1225 | else if (parsetoc(GetIsoFile()) == 0) { | |
1226 | SysPrintf("[+toc]"); | |
1227 | } | |
1228 | else if (parseccd(GetIsoFile()) == 0) { | |
1229 | SysPrintf("[+ccd]"); | |
1230 | } | |
1231 | else if (parsemds(GetIsoFile()) == 0) { | |
1232 | SysPrintf("[+mds]"); | |
1233 | } | |
0877957a | 1234 | if (handlepbp(GetIsoFile()) == 0) { |
9a92bffb | 1235 | SysPrintf("[pbp]"); |
1236 | CDR_getBuffer = ISOgetBuffer_compr; | |
1237 | cdimg_read_func = cdread_compressed; | |
1238 | } | |
0877957a | 1239 | else if (handlecbin(GetIsoFile()) == 0) { |
1240 | SysPrintf("[cbin]"); | |
1241 | CDR_getBuffer = ISOgetBuffer_compr; | |
1242 | cdimg_read_func = cdread_compressed; | |
1243 | } | |
ef79bbde P |
1244 | |
1245 | if (!subChanMixed && opensubfile(GetIsoFile()) == 0) { | |
1246 | SysPrintf("[+sub]"); | |
1247 | } | |
ae4e7dc9 | 1248 | if (opensbifile(GetIsoFile()) == 0) { |
1249 | SysPrintf("[+sbi]"); | |
1250 | } | |
ef79bbde | 1251 | |
9a92bffb | 1252 | // guess whether it is mode1/2048 |
1253 | fseek(cdHandle, 0, SEEK_END); | |
1254 | if (ftell(cdHandle) % 2048 == 0) { | |
1255 | unsigned int modeTest = 0; | |
1256 | fseek(cdHandle, 0, SEEK_SET); | |
1257 | fread(&modeTest, 4, 1, cdHandle); | |
1258 | if (SWAP32(modeTest) != 0xffffff00) { | |
1259 | SysPrintf("[2048]"); | |
1260 | isMode1ISO = TRUE; | |
1261 | } | |
1262 | } | |
1263 | fseek(cdHandle, 0, SEEK_SET); | |
1264 | ||
ef79bbde P |
1265 | SysPrintf(".\n"); |
1266 | ||
1267 | PrintTracks(); | |
1268 | ||
9a92bffb | 1269 | if (subChanMixed) |
1270 | cdimg_read_func = cdread_sub_mixed; | |
1271 | else if (isMode1ISO) | |
1272 | cdimg_read_func = cdread_2048; | |
1273 | ||
38b8102c | 1274 | // make sure we have another handle open for cdda |
1275 | if (numtracks > 1 && ti[1].handle == NULL) { | |
1276 | ti[1].handle = fopen(GetIsoFile(), "rb"); | |
1277 | } | |
77160d47 | 1278 | cdda_cur_sector = 0; |
1279 | cdda_file_offset = 0; | |
38b8102c | 1280 | |
ef79bbde P |
1281 | return 0; |
1282 | } | |
1283 | ||
1284 | static long CALLBACK ISOclose(void) { | |
38b8102c | 1285 | int i; |
1286 | ||
ef79bbde P |
1287 | if (cdHandle != NULL) { |
1288 | fclose(cdHandle); | |
1289 | cdHandle = NULL; | |
1290 | } | |
1291 | if (subHandle != NULL) { | |
1292 | fclose(subHandle); | |
1293 | subHandle = NULL; | |
1294 | } | |
1295 | stopCDDA(); | |
38b8102c | 1296 | cddaHandle = NULL; |
1297 | ||
9a92bffb | 1298 | if (compr_img != NULL) { |
1299 | free(compr_img->index_table); | |
1300 | free(compr_img); | |
1301 | compr_img = NULL; | |
1302 | } | |
1303 | ||
38b8102c | 1304 | for (i = 1; i <= numtracks; i++) { |
1305 | if (ti[i].handle != NULL) { | |
1306 | fclose(ti[i].handle); | |
1307 | ti[i].handle = NULL; | |
1308 | } | |
1309 | } | |
1310 | numtracks = 0; | |
ae4e7dc9 | 1311 | UnloadSBI(); |
38b8102c | 1312 | |
1313 | return 0; | |
1314 | } | |
1315 | ||
1316 | static long CALLBACK ISOinit(void) { | |
1317 | assert(cdHandle == NULL); | |
1318 | assert(subHandle == NULL); | |
1319 | ||
1320 | return 0; // do nothing | |
1321 | } | |
1322 | ||
1323 | static long CALLBACK ISOshutdown(void) { | |
1324 | ISOclose(); | |
ef79bbde P |
1325 | return 0; |
1326 | } | |
1327 | ||
1328 | // return Starting and Ending Track | |
1329 | // buffer: | |
1330 | // byte 0 - start track | |
1331 | // byte 1 - end track | |
1332 | static long CALLBACK ISOgetTN(unsigned char *buffer) { | |
1333 | buffer[0] = 1; | |
1334 | ||
1335 | if (numtracks > 0) { | |
1336 | buffer[1] = numtracks; | |
1337 | } | |
1338 | else { | |
1339 | buffer[1] = 1; | |
1340 | } | |
1341 | ||
1342 | return 0; | |
1343 | } | |
1344 | ||
1345 | // return Track Time | |
1346 | // buffer: | |
1347 | // byte 0 - frame | |
1348 | // byte 1 - second | |
1349 | // byte 2 - minute | |
1350 | static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) { | |
858ad511 | 1351 | if (track == 0) { |
1352 | // CD length according pcsxr-svn (done a bit different here) | |
1353 | unsigned int sect; | |
1354 | unsigned char time[3]; | |
1355 | sect = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length); | |
ab948f7e | 1356 | sec2msf(sect, (char *)time); |
858ad511 | 1357 | buffer[2] = time[0]; |
1358 | buffer[1] = time[1]; | |
1359 | buffer[0] = time[2]; | |
1360 | } | |
1361 | else if (numtracks > 0 && track <= numtracks) { | |
ef79bbde P |
1362 | buffer[2] = ti[track].start[0]; |
1363 | buffer[1] = ti[track].start[1]; | |
1364 | buffer[0] = ti[track].start[2]; | |
1365 | } | |
1366 | else { | |
1367 | buffer[2] = 0; | |
1368 | buffer[1] = 2; | |
1369 | buffer[0] = 0; | |
1370 | } | |
1371 | ||
1372 | return 0; | |
1373 | } | |
1374 | ||
1375 | // decode 'raw' subchannel data ripped by cdrdao | |
1376 | static void DecodeRawSubData(void) { | |
1377 | unsigned char subQData[12]; | |
1378 | int i; | |
1379 | ||
1380 | memset(subQData, 0, sizeof(subQData)); | |
1381 | ||
1382 | for (i = 0; i < 8 * 12; i++) { | |
1383 | if (subbuffer[i] & (1 << 6)) { // only subchannel Q is needed | |
1384 | subQData[i >> 3] |= (1 << (7 - (i & 7))); | |
1385 | } | |
1386 | } | |
1387 | ||
1388 | memcpy(&subbuffer[12], subQData, 12); | |
1389 | } | |
1390 | ||
1391 | // read track | |
1392 | // time: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1393 | // uses bcd format | |
1394 | static long CALLBACK ISOreadTrack(unsigned char *time) { | |
19c03d80 | 1395 | int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])); |
1396 | ||
ef79bbde P |
1397 | if (cdHandle == NULL) { |
1398 | return -1; | |
1399 | } | |
1400 | ||
8aa91443 | 1401 | if (pregapOffset) { |
1402 | subChanMissing = FALSE; | |
1403 | if (sector >= pregapOffset) { | |
1404 | sector -= 2 * 75; | |
1405 | if (sector < pregapOffset) | |
1406 | subChanMissing = TRUE; | |
1407 | } | |
1408 | } | |
1409 | ||
77160d47 | 1410 | cdimg_read_func(cdHandle, 0, cdbuffer, sector); |
ef79bbde | 1411 | |
9a92bffb | 1412 | if (subHandle != NULL) { |
1413 | fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET); | |
1414 | fread(subbuffer, 1, SUB_FRAMESIZE, subHandle); | |
ef79bbde | 1415 | |
9a92bffb | 1416 | if (subChanRaw) DecodeRawSubData(); |
ef79bbde P |
1417 | } |
1418 | ||
1419 | return 0; | |
1420 | } | |
1421 | ||
ef79bbde P |
1422 | // plays cdda audio |
1423 | // sector: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1424 | // does NOT uses bcd format | |
1425 | static long CALLBACK ISOplay(unsigned char *time) { | |
77160d47 | 1426 | unsigned int i; |
38b8102c | 1427 | |
7b8da7ab | 1428 | if (numtracks <= 1) |
1429 | return 0; | |
1430 | ||
38b8102c | 1431 | // find the track |
77160d47 | 1432 | cdda_cur_sector = msf2sec((char *)time); |
2058d51f | 1433 | for (i = numtracks; i > 1; i--) { |
77160d47 | 1434 | cdda_first_sector = msf2sec(ti[i].start); |
1435 | if (cdda_first_sector <= cdda_cur_sector + 2 * 75) | |
38b8102c | 1436 | break; |
2058d51f | 1437 | } |
77160d47 | 1438 | cdda_file_offset = ti[i].start_offset; |
19c03d80 | 1439 | |
38b8102c | 1440 | // find the file that contains this track |
1441 | for (; i > 1; i--) | |
1442 | if (ti[i].handle != NULL) | |
1443 | break; | |
1444 | ||
2058d51f | 1445 | cddaHandle = ti[i].handle; |
8aa91443 | 1446 | |
77160d47 | 1447 | if (SPU_playCDDAchannel != NULL) |
1448 | startCDDA(); | |
1449 | ||
ef79bbde P |
1450 | return 0; |
1451 | } | |
1452 | ||
1453 | // stops cdda audio | |
1454 | static long CALLBACK ISOstop(void) { | |
1455 | stopCDDA(); | |
1456 | return 0; | |
1457 | } | |
1458 | ||
1459 | // gets subchannel data | |
1460 | static unsigned char* CALLBACK ISOgetBufferSub(void) { | |
8aa91443 | 1461 | if ((subHandle != NULL || subChanMixed) && !subChanMissing) { |
ef79bbde P |
1462 | return subbuffer; |
1463 | } | |
1464 | ||
1465 | return NULL; | |
1466 | } | |
1467 | ||
1468 | static long CALLBACK ISOgetStatus(struct CdrStat *stat) { | |
1469 | int sec; | |
1470 | ||
1471 | CDR__getStatus(stat); | |
1472 | ||
1473 | if (playing) { | |
1474 | stat->Type = 0x02; | |
1475 | stat->Status |= 0x80; | |
ef79bbde P |
1476 | } |
1477 | else { | |
1478 | stat->Type = 0x01; | |
1479 | } | |
1480 | ||
77160d47 | 1481 | sec = cdda_cur_sector; |
858ad511 | 1482 | sec2msf(sec, (char *)stat->Time); |
1483 | ||
ef79bbde P |
1484 | return 0; |
1485 | } | |
1486 | ||
1487 | void cdrIsoInit(void) { | |
1488 | CDR_init = ISOinit; | |
1489 | CDR_shutdown = ISOshutdown; | |
1490 | CDR_open = ISOopen; | |
1491 | CDR_close = ISOclose; | |
1492 | CDR_getTN = ISOgetTN; | |
1493 | CDR_getTD = ISOgetTD; | |
1494 | CDR_readTrack = ISOreadTrack; | |
1495 | CDR_getBuffer = ISOgetBuffer; | |
1496 | CDR_play = ISOplay; | |
1497 | CDR_stop = ISOstop; | |
1498 | CDR_getBufferSub = ISOgetBufferSub; | |
1499 | CDR_getStatus = ISOgetStatus; | |
1500 | ||
1501 | CDR_getDriveLetter = CDR__getDriveLetter; | |
1502 | CDR_configure = CDR__configure; | |
1503 | CDR_test = CDR__test; | |
1504 | CDR_about = CDR__about; | |
1505 | CDR_setfilename = CDR__setfilename; | |
1506 | ||
1507 | numtracks = 0; | |
1508 | } | |
1509 | ||
1510 | int cdrIsoActive(void) { | |
1511 | return (cdHandle != NULL); | |
1512 | } |