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ef79bbde P |
1 | /*************************************************************************** |
2 | * Copyright (C) 2007 PCSX-df Team * | |
3 | * Copyright (C) 2009 Wei Mingzhi * | |
4 | * * | |
5 | * This program is free software; you can redistribute it and/or modify * | |
6 | * it under the terms of the GNU General Public License as published by * | |
7 | * the Free Software Foundation; either version 2 of the License, or * | |
8 | * (at your option) any later version. * | |
9 | * * | |
10 | * This program is distributed in the hope that it will be useful, * | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
13 | * GNU General Public License for more details. * | |
14 | * * | |
15 | * You should have received a copy of the GNU General Public License * | |
16 | * along with this program; if not, write to the * | |
17 | * Free Software Foundation, Inc., * | |
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * | |
19 | ***************************************************************************/ | |
20 | ||
21 | #include "psxcommon.h" | |
22 | #include "plugins.h" | |
23 | #include "cdrom.h" | |
24 | #include "cdriso.h" | |
ae4e7dc9 | 25 | #include "ppf.h" |
ef79bbde P |
26 | |
27 | #ifdef _WIN32 | |
28 | #include <process.h> | |
29 | #include <windows.h> | |
30 | #else | |
31 | #include <pthread.h> | |
32 | #include <sys/time.h> | |
33 | #endif | |
9a92bffb | 34 | #include <zlib.h> |
ef79bbde | 35 | |
0c2871a7 | 36 | unsigned int cdrIsoMultidiskCount; |
37 | unsigned int cdrIsoMultidiskSelect; | |
38 | ||
ef79bbde P |
39 | static FILE *cdHandle = NULL; |
40 | static FILE *cddaHandle = NULL; | |
41 | static FILE *subHandle = NULL; | |
42 | ||
43 | static boolean subChanMixed = FALSE; | |
44 | static boolean subChanRaw = FALSE; | |
8aa91443 | 45 | static boolean subChanMissing = FALSE; |
ef79bbde P |
46 | |
47 | static unsigned char cdbuffer[DATA_SIZE]; | |
48 | static unsigned char subbuffer[SUB_FRAMESIZE]; | |
49 | ||
50 | static unsigned char sndbuffer[CD_FRAMESIZE_RAW * 10]; | |
51 | ||
52 | #define CDDA_FRAMETIME (1000 * (sizeof(sndbuffer) / CD_FRAMESIZE_RAW) / 75) | |
53 | ||
54 | #ifdef _WIN32 | |
55 | static HANDLE threadid; | |
56 | #else | |
57 | static pthread_t threadid; | |
58 | #endif | |
59 | static unsigned int initial_offset = 0; | |
38b8102c | 60 | static boolean playing = FALSE; |
ef79bbde | 61 | static boolean cddaBigEndian = FALSE; |
2058d51f | 62 | // offsets of cddaHandle file |
9a92bffb | 63 | static unsigned int cdda_cur_sector; |
2058d51f | 64 | static unsigned int cdda_first_sector; |
65 | // toc_sector - file_sector | |
66 | static unsigned int cdda_toc_delta; | |
8aa91443 | 67 | /* Frame offset into CD image where pregap data would be found if it was there. |
68 | * If a game seeks there we must *not* return subchannel data since it's | |
69 | * not in the CD image, so that cdrom code can fake subchannel data instead. | |
70 | * XXX: there could be multiple pregaps but PSX dumps only have one? */ | |
71 | static unsigned int pregapOffset; | |
ef79bbde | 72 | |
9a92bffb | 73 | // compressed image stuff |
74 | static struct { | |
75 | unsigned char buff_raw[16][CD_FRAMESIZE_RAW]; | |
76 | unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100]; | |
77 | unsigned int *index_table; | |
78 | unsigned int index_len; | |
0877957a | 79 | unsigned int block_shift; |
9a92bffb | 80 | unsigned int current_block; |
81 | unsigned int sector_in_blk; | |
82 | } *compr_img; | |
83 | ||
84 | int (*cdimg_read_func)(FILE *f, void *dest, int sector, int offset); | |
85 | ||
ef79bbde P |
86 | char* CALLBACK CDR__getDriveLetter(void); |
87 | long CALLBACK CDR__configure(void); | |
88 | long CALLBACK CDR__test(void); | |
89 | void CALLBACK CDR__about(void); | |
90 | long CALLBACK CDR__setfilename(char *filename); | |
91 | long CALLBACK CDR__getStatus(struct CdrStat *stat); | |
92 | ||
19c03d80 | 93 | static void DecodeRawSubData(void); |
94 | ||
ef79bbde P |
95 | extern void *hCDRDriver; |
96 | ||
97 | struct trackinfo { | |
98 | enum {DATA, CDDA} type; | |
99 | char start[3]; // MSF-format | |
100 | char length[3]; // MSF-format | |
38b8102c | 101 | FILE *handle; // for multi-track images CDDA |
19c03d80 | 102 | int start_offset; // sector offset from start of above file |
ef79bbde P |
103 | }; |
104 | ||
105 | #define MAXTRACKS 100 /* How many tracks can a CD hold? */ | |
106 | ||
107 | static int numtracks = 0; | |
108 | static struct trackinfo ti[MAXTRACKS]; | |
109 | ||
110 | // get a sector from a msf-array | |
111 | static unsigned int msf2sec(char *msf) { | |
112 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; | |
113 | } | |
114 | ||
115 | static void sec2msf(unsigned int s, char *msf) { | |
116 | msf[0] = s / 75 / 60; | |
117 | s = s - msf[0] * 75 * 60; | |
118 | msf[1] = s / 75; | |
119 | s = s - msf[1] * 75; | |
120 | msf[2] = s; | |
121 | } | |
122 | ||
123 | // divide a string of xx:yy:zz into m, s, f | |
124 | static void tok2msf(char *time, char *msf) { | |
125 | char *token; | |
126 | ||
127 | token = strtok(time, ":"); | |
128 | if (token) { | |
129 | msf[0] = atoi(token); | |
130 | } | |
131 | else { | |
132 | msf[0] = 0; | |
133 | } | |
134 | ||
135 | token = strtok(NULL, ":"); | |
136 | if (token) { | |
137 | msf[1] = atoi(token); | |
138 | } | |
139 | else { | |
140 | msf[1] = 0; | |
141 | } | |
142 | ||
143 | token = strtok(NULL, ":"); | |
144 | if (token) { | |
145 | msf[2] = atoi(token); | |
146 | } | |
147 | else { | |
148 | msf[2] = 0; | |
149 | } | |
150 | } | |
151 | ||
152 | #ifndef _WIN32 | |
153 | static long GetTickCount(void) { | |
154 | static time_t initial_time = 0; | |
155 | struct timeval now; | |
156 | ||
157 | gettimeofday(&now, NULL); | |
158 | ||
159 | if (initial_time == 0) { | |
160 | initial_time = now.tv_sec; | |
161 | } | |
162 | ||
163 | return (now.tv_sec - initial_time) * 1000L + now.tv_usec / 1000L; | |
164 | } | |
165 | #endif | |
166 | ||
167 | // this thread plays audio data | |
168 | #ifdef _WIN32 | |
169 | static void playthread(void *param) | |
170 | #else | |
171 | static void *playthread(void *param) | |
172 | #endif | |
173 | { | |
983a7cfd | 174 | long osleep, d, t, i, s; |
ef79bbde | 175 | unsigned char tmp; |
983a7cfd | 176 | int ret = 0; |
ef79bbde P |
177 | |
178 | t = GetTickCount(); | |
179 | ||
180 | while (playing) { | |
9a92bffb | 181 | s = 0; |
182 | for (i = 0; i < sizeof(sndbuffer) / CD_FRAMESIZE_RAW; i++) { | |
183 | d = cdimg_read_func(cddaHandle, sndbuffer + s, cdda_cur_sector, 0); | |
184 | if (d < CD_FRAMESIZE_RAW) | |
185 | break; | |
ef79bbde | 186 | |
2058d51f | 187 | if (cdda_cur_sector < cdda_first_sector) |
188 | memset(sndbuffer + s, 0, CD_FRAMESIZE_RAW); | |
189 | ||
9a92bffb | 190 | s += d; |
191 | cdda_cur_sector++; | |
ef79bbde | 192 | } |
19c03d80 | 193 | |
ef79bbde P |
194 | if (s == 0) { |
195 | playing = FALSE; | |
ef79bbde P |
196 | initial_offset = 0; |
197 | break; | |
198 | } | |
199 | ||
200 | if (!cdr.Muted && playing) { | |
201 | if (cddaBigEndian) { | |
202 | for (i = 0; i < s / 2; i++) { | |
203 | tmp = sndbuffer[i * 2]; | |
204 | sndbuffer[i * 2] = sndbuffer[i * 2 + 1]; | |
205 | sndbuffer[i * 2 + 1] = tmp; | |
206 | } | |
207 | } | |
208 | ||
983a7cfd | 209 | do { |
210 | ret = SPU_playCDDAchannel((short *)sndbuffer, s); | |
211 | if (ret == 0x7761) | |
212 | usleep(6 * 1000); | |
213 | } while (ret == 0x7761 && playing); // rearmed_wait | |
ef79bbde | 214 | } |
983a7cfd | 215 | |
216 | if (ret != 0x676f) { // !rearmed_go | |
217 | // do approx sleep | |
218 | long now; | |
219 | ||
220 | // HACK: stop feeding data while emu is paused | |
221 | extern int stop; | |
222 | while (stop && playing) | |
223 | usleep(10000); | |
224 | ||
225 | now = GetTickCount(); | |
226 | osleep = t - now; | |
227 | if (osleep <= 0) { | |
228 | osleep = 1; | |
229 | t = now; | |
230 | } | |
231 | else if (osleep > CDDA_FRAMETIME) { | |
232 | osleep = CDDA_FRAMETIME; | |
233 | t = now; | |
234 | } | |
235 | ||
236 | usleep(osleep * 1000); | |
237 | t += CDDA_FRAMETIME; | |
238 | } | |
239 | ||
ef79bbde P |
240 | } |
241 | ||
242 | #ifdef _WIN32 | |
243 | _endthread(); | |
244 | #else | |
245 | pthread_exit(0); | |
246 | return NULL; | |
247 | #endif | |
248 | } | |
249 | ||
250 | // stop the CDDA playback | |
251 | static void stopCDDA() { | |
252 | if (!playing) { | |
253 | return; | |
254 | } | |
255 | ||
256 | playing = FALSE; | |
257 | #ifdef _WIN32 | |
258 | WaitForSingleObject(threadid, INFINITE); | |
259 | #else | |
260 | pthread_join(threadid, NULL); | |
261 | #endif | |
ef79bbde P |
262 | } |
263 | ||
264 | // start the CDDA playback | |
9a92bffb | 265 | static void startCDDA(unsigned int sector) { |
ef79bbde | 266 | if (playing) { |
ef79bbde P |
267 | stopCDDA(); |
268 | } | |
269 | ||
9a92bffb | 270 | cdda_cur_sector = sector; |
ef79bbde P |
271 | playing = TRUE; |
272 | ||
273 | #ifdef _WIN32 | |
274 | threadid = (HANDLE)_beginthread(playthread, 0, NULL); | |
275 | #else | |
276 | pthread_create(&threadid, NULL, playthread, NULL); | |
277 | #endif | |
278 | } | |
279 | ||
280 | // this function tries to get the .toc file of the given .bin | |
281 | // the necessary data is put into the ti (trackinformation)-array | |
282 | static int parsetoc(const char *isofile) { | |
283 | char tocname[MAXPATHLEN]; | |
284 | FILE *fi; | |
285 | char linebuf[256], dummy[256], name[256]; | |
286 | char *token; | |
287 | char time[20], time2[20]; | |
19c03d80 | 288 | unsigned int t, sector_offs; |
ef79bbde P |
289 | |
290 | numtracks = 0; | |
291 | ||
292 | // copy name of the iso and change extension from .bin to .toc | |
293 | strncpy(tocname, isofile, sizeof(tocname)); | |
294 | tocname[MAXPATHLEN - 1] = '\0'; | |
295 | if (strlen(tocname) >= 4) { | |
296 | strcpy(tocname + strlen(tocname) - 4, ".toc"); | |
297 | } | |
298 | else { | |
299 | return -1; | |
300 | } | |
301 | ||
302 | if ((fi = fopen(tocname, "r")) == NULL) { | |
303 | // try changing extension to .cue (to satisfy some stupid tutorials) | |
304 | strcpy(tocname + strlen(tocname) - 4, ".cue"); | |
305 | if ((fi = fopen(tocname, "r")) == NULL) { | |
306 | // if filename is image.toc.bin, try removing .bin (for Brasero) | |
307 | strcpy(tocname, isofile); | |
308 | t = strlen(tocname); | |
309 | if (t >= 8 && strcmp(tocname + t - 8, ".toc.bin") == 0) { | |
310 | tocname[t - 4] = '\0'; | |
311 | if ((fi = fopen(tocname, "r")) == NULL) { | |
312 | return -1; | |
313 | } | |
314 | } | |
315 | else { | |
316 | return -1; | |
317 | } | |
318 | } | |
319 | } | |
320 | ||
321 | memset(&ti, 0, sizeof(ti)); | |
322 | cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio | |
323 | ||
19c03d80 | 324 | sector_offs = 2 * 75; |
325 | ||
ef79bbde P |
326 | // parse the .toc file |
327 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
328 | // search for tracks | |
329 | strncpy(dummy, linebuf, sizeof(linebuf)); | |
330 | token = strtok(dummy, " "); | |
331 | ||
332 | if (token == NULL) continue; | |
333 | ||
334 | if (!strcmp(token, "TRACK")) { | |
335 | // get type of track | |
336 | token = strtok(NULL, " "); | |
337 | numtracks++; | |
338 | ||
339 | if (!strncmp(token, "MODE2_RAW", 9)) { | |
340 | ti[numtracks].type = DATA; | |
341 | sec2msf(2 * 75, ti[numtracks].start); // assume data track on 0:2:0 | |
342 | ||
343 | // check if this image contains mixed subchannel data | |
344 | token = strtok(NULL, " "); | |
345 | if (token != NULL && !strncmp(token, "RW_RAW", 6)) { | |
346 | subChanMixed = TRUE; | |
347 | subChanRaw = TRUE; | |
348 | } | |
349 | } | |
350 | else if (!strncmp(token, "AUDIO", 5)) { | |
351 | ti[numtracks].type = CDDA; | |
352 | } | |
353 | } | |
354 | else if (!strcmp(token, "DATAFILE")) { | |
355 | if (ti[numtracks].type == CDDA) { | |
356 | sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2); | |
357 | t /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0); | |
19c03d80 | 358 | ti[numtracks].start_offset = t; |
359 | t += sector_offs; | |
ef79bbde P |
360 | sec2msf(t, (char *)&ti[numtracks].start); |
361 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
362 | } | |
363 | else { | |
364 | sscanf(linebuf, "DATAFILE \"%[^\"]\" %8s", name, time); | |
365 | tok2msf((char *)&time, (char *)&ti[numtracks].length); | |
366 | } | |
367 | } | |
368 | else if (!strcmp(token, "FILE")) { | |
369 | sscanf(linebuf, "FILE \"%[^\"]\" #%d %8s %8s", name, &t, time, time2); | |
370 | tok2msf((char *)&time, (char *)&ti[numtracks].start); | |
371 | t /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0); | |
19c03d80 | 372 | ti[numtracks].start_offset = t; |
373 | t += msf2sec(ti[numtracks].start) + sector_offs; | |
ef79bbde P |
374 | sec2msf(t, (char *)&ti[numtracks].start); |
375 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
376 | } | |
19c03d80 | 377 | else if (!strcmp(token, "ZERO")) { |
378 | sscanf(linebuf, "ZERO AUDIO RW_RAW %8s", time); | |
379 | tok2msf((char *)&time, dummy); | |
380 | sector_offs += msf2sec(dummy); | |
8aa91443 | 381 | if (numtracks > 1) { |
382 | t = ti[numtracks - 1].start_offset; | |
383 | pregapOffset = t + msf2sec(ti[numtracks - 1].length); | |
384 | } | |
19c03d80 | 385 | } |
ef79bbde P |
386 | } |
387 | ||
388 | fclose(fi); | |
389 | ||
390 | return 0; | |
391 | } | |
392 | ||
393 | // this function tries to get the .cue file of the given .bin | |
394 | // the necessary data is put into the ti (trackinformation)-array | |
395 | static int parsecue(const char *isofile) { | |
396 | char cuename[MAXPATHLEN]; | |
38b8102c | 397 | char filepath[MAXPATHLEN]; |
398 | char *incue_fname; | |
ef79bbde P |
399 | FILE *fi; |
400 | char *token; | |
401 | char time[20]; | |
402 | char *tmp; | |
19c03d80 | 403 | char linebuf[256], tmpb[256], dummy[256]; |
38b8102c | 404 | unsigned int incue_max_len; |
19c03d80 | 405 | unsigned int t, file_len, sector_offs; |
ef79bbde P |
406 | |
407 | numtracks = 0; | |
408 | ||
409 | // copy name of the iso and change extension from .bin to .cue | |
410 | strncpy(cuename, isofile, sizeof(cuename)); | |
411 | cuename[MAXPATHLEN - 1] = '\0'; | |
412 | if (strlen(cuename) >= 4) { | |
413 | strcpy(cuename + strlen(cuename) - 4, ".cue"); | |
414 | } | |
415 | else { | |
416 | return -1; | |
417 | } | |
418 | ||
419 | if ((fi = fopen(cuename, "r")) == NULL) { | |
420 | return -1; | |
421 | } | |
422 | ||
423 | // Some stupid tutorials wrongly tell users to use cdrdao to rip a | |
424 | // "bin/cue" image, which is in fact a "bin/toc" image. So let's check | |
425 | // that... | |
426 | if (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
427 | if (!strncmp(linebuf, "CD_ROM_XA", 9)) { | |
428 | // Don't proceed further, as this is actually a .toc file rather | |
429 | // than a .cue file. | |
430 | fclose(fi); | |
431 | return parsetoc(isofile); | |
432 | } | |
433 | fseek(fi, 0, SEEK_SET); | |
434 | } | |
435 | ||
38b8102c | 436 | // build a path for files referenced in .cue |
437 | strncpy(filepath, cuename, sizeof(filepath)); | |
438 | tmp = strrchr(filepath, '/') + 1; | |
439 | if (tmp == NULL) | |
440 | tmp = strrchr(filepath, '\\') + 1; | |
441 | if (tmp == NULL) | |
442 | tmp = filepath; | |
443 | *tmp = 0; | |
444 | filepath[sizeof(filepath) - 1] = 0; | |
445 | incue_fname = tmp; | |
446 | incue_max_len = sizeof(filepath) - (tmp - filepath) - 1; | |
447 | ||
ef79bbde P |
448 | memset(&ti, 0, sizeof(ti)); |
449 | ||
19c03d80 | 450 | file_len = 0; |
451 | sector_offs = 2 * 75; | |
452 | ||
ef79bbde P |
453 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { |
454 | strncpy(dummy, linebuf, sizeof(linebuf)); | |
455 | token = strtok(dummy, " "); | |
456 | ||
457 | if (token == NULL) { | |
458 | continue; | |
459 | } | |
460 | ||
19c03d80 | 461 | if (!strcmp(token, "TRACK")) { |
ef79bbde P |
462 | numtracks++; |
463 | ||
464 | if (strstr(linebuf, "AUDIO") != NULL) { | |
465 | ti[numtracks].type = CDDA; | |
466 | } | |
467 | else if (strstr(linebuf, "MODE1/2352") != NULL || strstr(linebuf, "MODE2/2352") != NULL) { | |
468 | ti[numtracks].type = DATA; | |
469 | } | |
470 | } | |
471 | else if (!strcmp(token, "INDEX")) { | |
19c03d80 | 472 | sscanf(linebuf, " INDEX %02d %8s", &t, time); |
473 | tok2msf(time, (char *)&ti[numtracks].start); | |
ef79bbde | 474 | |
19c03d80 | 475 | t = msf2sec(ti[numtracks].start); |
476 | ti[numtracks].start_offset = t; | |
477 | t += sector_offs; | |
ef79bbde | 478 | sec2msf(t, ti[numtracks].start); |
19c03d80 | 479 | |
480 | // default track length to file length | |
481 | t = file_len - ti[numtracks].start_offset; | |
482 | sec2msf(t, ti[numtracks].length); | |
483 | ||
484 | if (numtracks > 1 && ti[numtracks].handle == NULL) { | |
485 | // this track uses the same file as the last, | |
486 | // start of this track is last track's end | |
487 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
488 | sec2msf(t, ti[numtracks - 1].length); | |
38b8102c | 489 | } |
8aa91443 | 490 | if (numtracks > 1 && pregapOffset == -1) |
491 | pregapOffset = ti[numtracks].start_offset; | |
19c03d80 | 492 | } |
493 | else if (!strcmp(token, "PREGAP")) { | |
494 | if (sscanf(linebuf, " PREGAP %8s", time) == 1) { | |
495 | tok2msf(time, dummy); | |
496 | sector_offs += msf2sec(dummy); | |
38b8102c | 497 | } |
8aa91443 | 498 | pregapOffset = -1; // mark to fill track start_offset |
19c03d80 | 499 | } |
500 | else if (!strcmp(token, "FILE")) { | |
501 | sscanf(linebuf, " FILE \"%[^\"]\"", tmpb); | |
502 | ||
503 | // absolute path? | |
504 | ti[numtracks + 1].handle = fopen(tmpb, "rb"); | |
505 | if (ti[numtracks + 1].handle == NULL) { | |
506 | // relative to .cue? | |
507 | tmp = strrchr(tmpb, '\\'); | |
508 | if (tmp == NULL) | |
509 | tmp = strrchr(tmpb, '/'); | |
38b8102c | 510 | if (tmp != NULL) |
19c03d80 | 511 | tmp++; |
512 | else | |
513 | tmp = tmpb; | |
514 | strncpy(incue_fname, tmp, incue_max_len); | |
515 | ti[numtracks + 1].handle = fopen(filepath, "rb"); | |
38b8102c | 516 | } |
ef79bbde | 517 | |
19c03d80 | 518 | // update global offset if this is not first file in this .cue |
519 | if (numtracks + 1 > 1) | |
520 | sector_offs += file_len; | |
521 | ||
522 | file_len = 0; | |
38b8102c | 523 | if (ti[numtracks + 1].handle == NULL) { |
19c03d80 | 524 | SysPrintf(_("\ncould not open: %s\n"), filepath); |
525 | continue; | |
38b8102c | 526 | } |
19c03d80 | 527 | fseek(ti[numtracks + 1].handle, 0, SEEK_END); |
528 | file_len = ftell(ti[numtracks + 1].handle) / 2352; | |
529 | ||
530 | if (numtracks == 0 && strlen(isofile) >= 4 && | |
531 | strcmp(isofile + strlen(isofile) - 4, ".cue") == 0) | |
532 | { | |
38b8102c | 533 | // user selected .cue as image file, use it's data track instead |
534 | fclose(cdHandle); | |
535 | cdHandle = fopen(filepath, "rb"); | |
ef79bbde P |
536 | } |
537 | } | |
538 | } | |
539 | ||
540 | fclose(fi); | |
541 | ||
ef79bbde P |
542 | return 0; |
543 | } | |
544 | ||
545 | // this function tries to get the .ccd file of the given .img | |
546 | // the necessary data is put into the ti (trackinformation)-array | |
547 | static int parseccd(const char *isofile) { | |
548 | char ccdname[MAXPATHLEN]; | |
549 | FILE *fi; | |
550 | char linebuf[256]; | |
551 | unsigned int t; | |
552 | ||
553 | numtracks = 0; | |
554 | ||
555 | // copy name of the iso and change extension from .img to .ccd | |
556 | strncpy(ccdname, isofile, sizeof(ccdname)); | |
557 | ccdname[MAXPATHLEN - 1] = '\0'; | |
558 | if (strlen(ccdname) >= 4) { | |
559 | strcpy(ccdname + strlen(ccdname) - 4, ".ccd"); | |
560 | } | |
561 | else { | |
562 | return -1; | |
563 | } | |
564 | ||
565 | if ((fi = fopen(ccdname, "r")) == NULL) { | |
566 | return -1; | |
567 | } | |
568 | ||
569 | memset(&ti, 0, sizeof(ti)); | |
570 | ||
571 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
572 | if (!strncmp(linebuf, "[TRACK", 6)){ | |
573 | numtracks++; | |
574 | } | |
575 | else if (!strncmp(linebuf, "MODE=", 5)) { | |
576 | sscanf(linebuf, "MODE=%d", &t); | |
577 | ti[numtracks].type = ((t == 0) ? CDDA : DATA); | |
578 | } | |
579 | else if (!strncmp(linebuf, "INDEX 1=", 8)) { | |
580 | sscanf(linebuf, "INDEX 1=%d", &t); | |
581 | sec2msf(t + 2 * 75, ti[numtracks].start); | |
19c03d80 | 582 | ti[numtracks].start_offset = t; |
ef79bbde P |
583 | |
584 | // If we've already seen another track, this is its end | |
585 | if (numtracks > 1) { | |
586 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
587 | sec2msf(t, ti[numtracks - 1].length); | |
588 | } | |
589 | } | |
590 | } | |
591 | ||
592 | fclose(fi); | |
593 | ||
594 | // Fill out the last track's end based on size | |
595 | if (numtracks >= 1) { | |
596 | fseek(cdHandle, 0, SEEK_END); | |
597 | t = ftell(cdHandle) / 2352 - msf2sec(ti[numtracks].start) + 2 * 75; | |
598 | sec2msf(t, ti[numtracks].length); | |
599 | } | |
600 | ||
601 | return 0; | |
602 | } | |
603 | ||
604 | // this function tries to get the .mds file of the given .mdf | |
605 | // the necessary data is put into the ti (trackinformation)-array | |
606 | static int parsemds(const char *isofile) { | |
607 | char mdsname[MAXPATHLEN]; | |
608 | FILE *fi; | |
609 | unsigned int offset, extra_offset, l, i; | |
610 | unsigned short s; | |
611 | ||
612 | numtracks = 0; | |
613 | ||
614 | // copy name of the iso and change extension from .mdf to .mds | |
615 | strncpy(mdsname, isofile, sizeof(mdsname)); | |
616 | mdsname[MAXPATHLEN - 1] = '\0'; | |
617 | if (strlen(mdsname) >= 4) { | |
618 | strcpy(mdsname + strlen(mdsname) - 4, ".mds"); | |
619 | } | |
620 | else { | |
621 | return -1; | |
622 | } | |
623 | ||
624 | if ((fi = fopen(mdsname, "rb")) == NULL) { | |
625 | return -1; | |
626 | } | |
627 | ||
628 | memset(&ti, 0, sizeof(ti)); | |
629 | ||
630 | // check if it's a valid mds file | |
631 | fread(&i, 1, sizeof(unsigned int), fi); | |
632 | i = SWAP32(i); | |
633 | if (i != 0x4944454D) { | |
634 | // not an valid mds file | |
635 | fclose(fi); | |
636 | return -1; | |
637 | } | |
638 | ||
639 | // get offset to session block | |
640 | fseek(fi, 0x50, SEEK_SET); | |
641 | fread(&offset, 1, sizeof(unsigned int), fi); | |
642 | offset = SWAP32(offset); | |
643 | ||
644 | // get total number of tracks | |
645 | offset += 14; | |
646 | fseek(fi, offset, SEEK_SET); | |
647 | fread(&s, 1, sizeof(unsigned short), fi); | |
648 | s = SWAP16(s); | |
649 | numtracks = s; | |
650 | ||
651 | // get offset to track blocks | |
652 | fseek(fi, 4, SEEK_CUR); | |
653 | fread(&offset, 1, sizeof(unsigned int), fi); | |
654 | offset = SWAP32(offset); | |
655 | ||
656 | // skip lead-in data | |
657 | while (1) { | |
658 | fseek(fi, offset + 4, SEEK_SET); | |
659 | if (fgetc(fi) < 0xA0) { | |
660 | break; | |
661 | } | |
662 | offset += 0x50; | |
663 | } | |
664 | ||
665 | // check if the image contains mixed subchannel data | |
666 | fseek(fi, offset + 1, SEEK_SET); | |
667 | subChanMixed = (fgetc(fi) ? TRUE : FALSE); | |
668 | ||
669 | // read track data | |
670 | for (i = 1; i <= numtracks; i++) { | |
671 | fseek(fi, offset, SEEK_SET); | |
672 | ||
673 | // get the track type | |
674 | ti[i].type = ((fgetc(fi) == 0xA9) ? CDDA : DATA); | |
675 | fseek(fi, 8, SEEK_CUR); | |
676 | ||
677 | // get the track starting point | |
678 | ti[i].start[0] = fgetc(fi); | |
679 | ti[i].start[1] = fgetc(fi); | |
680 | ti[i].start[2] = fgetc(fi); | |
681 | ||
ef79bbde P |
682 | fread(&extra_offset, 1, sizeof(unsigned int), fi); |
683 | extra_offset = SWAP32(extra_offset); | |
684 | ||
19c03d80 | 685 | // get track start offset (in .mdf) |
686 | fseek(fi, offset + 0x28, SEEK_SET); | |
687 | fread(&l, 1, sizeof(unsigned int), fi); | |
688 | l = SWAP32(l); | |
689 | ti[i].start_offset = l / CD_FRAMESIZE_RAW; | |
690 | ||
8aa91443 | 691 | // get pregap |
692 | fseek(fi, extra_offset, SEEK_SET); | |
693 | fread(&l, 1, sizeof(unsigned int), fi); | |
694 | l = SWAP32(l); | |
695 | if (l != 0 && i > 1) | |
696 | pregapOffset = ti[i].start_offset; | |
697 | ||
698 | // get the track length | |
699 | fread(&l, 1, sizeof(unsigned int), fi); | |
700 | l = SWAP32(l); | |
701 | sec2msf(l, ti[i].length); | |
702 | ||
ef79bbde P |
703 | offset += 0x50; |
704 | } | |
705 | ||
706 | fclose(fi); | |
707 | return 0; | |
708 | } | |
709 | ||
0877957a | 710 | static int handlepbp(const char *isofile) { |
9a92bffb | 711 | struct { |
712 | unsigned int sig; | |
713 | unsigned int dontcare[8]; | |
714 | unsigned int psar_offs; | |
715 | } pbp_hdr; | |
716 | struct { | |
717 | unsigned char type; | |
718 | unsigned char pad0; | |
719 | unsigned char track; | |
720 | char index0[3]; | |
721 | char pad1; | |
722 | char index1[3]; | |
723 | } toc_entry; | |
724 | struct { | |
725 | unsigned int offset; | |
726 | unsigned int size; | |
727 | unsigned int dontcare[6]; | |
728 | } index_entry; | |
0c2871a7 | 729 | char psar_sig[11]; |
9a92bffb | 730 | unsigned int t, cd_length, cdimg_base; |
0c2871a7 | 731 | unsigned int offsettab[8], psisoimg_offs; |
9a92bffb | 732 | const char *ext = NULL; |
733 | int i, ret; | |
734 | ||
735 | if (strlen(isofile) >= 4) | |
736 | ext = isofile + strlen(isofile) - 4; | |
737 | if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0)) | |
738 | return -1; | |
739 | ||
740 | numtracks = 0; | |
741 | ||
742 | ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle); | |
743 | if (ret != sizeof(pbp_hdr)) { | |
744 | fprintf(stderr, "failed to read pbp\n"); | |
745 | goto fail_io; | |
746 | } | |
747 | ||
748 | ret = fseek(cdHandle, pbp_hdr.psar_offs, SEEK_SET); | |
749 | if (ret != 0) { | |
750 | fprintf(stderr, "failed to seek to %x\n", pbp_hdr.psar_offs); | |
751 | goto fail_io; | |
752 | } | |
753 | ||
0c2871a7 | 754 | psisoimg_offs = pbp_hdr.psar_offs; |
9a92bffb | 755 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); |
0c2871a7 | 756 | psar_sig[10] = 0; |
757 | if (strcmp(psar_sig, "PSTITLEIMG") == 0) { | |
758 | // multidisk image? | |
759 | ret = fseek(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET); | |
760 | if (ret != 0) { | |
761 | fprintf(stderr, "failed to seek to %x\n", pbp_hdr.psar_offs + 0x200); | |
762 | goto fail_io; | |
763 | } | |
764 | ||
765 | if (fread(&offsettab, 1, sizeof(offsettab), cdHandle) != sizeof(offsettab)) { | |
766 | fprintf(stderr, "failed to read offsettab\n"); | |
767 | goto fail_io; | |
768 | } | |
769 | ||
770 | for (i = 0; i < sizeof(offsettab) / sizeof(offsettab[0]); i++) { | |
771 | if (offsettab[i] == 0) | |
772 | break; | |
773 | } | |
774 | cdrIsoMultidiskCount = i; | |
775 | if (cdrIsoMultidiskCount == 0) { | |
776 | fprintf(stderr, "multidisk eboot has 0 images?\n"); | |
777 | goto fail_io; | |
778 | } | |
779 | ||
780 | if (cdrIsoMultidiskSelect >= cdrIsoMultidiskCount) | |
781 | cdrIsoMultidiskSelect = 0; | |
782 | ||
783 | psisoimg_offs += offsettab[cdrIsoMultidiskSelect]; | |
784 | ||
785 | ret = fseek(cdHandle, psisoimg_offs, SEEK_SET); | |
786 | if (ret != 0) { | |
787 | fprintf(stderr, "failed to seek to %x\n", psisoimg_offs); | |
788 | goto fail_io; | |
789 | } | |
790 | ||
791 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); | |
792 | psar_sig[10] = 0; | |
793 | } | |
794 | ||
795 | if (strcmp(psar_sig, "PSISOIMG00") != 0) { | |
9a92bffb | 796 | fprintf(stderr, "bad psar_sig: %s\n", psar_sig); |
797 | goto fail_io; | |
798 | } | |
799 | ||
800 | // seek to TOC | |
0c2871a7 | 801 | ret = fseek(cdHandle, psisoimg_offs + 0x800, SEEK_SET); |
9a92bffb | 802 | if (ret != 0) { |
0c2871a7 | 803 | fprintf(stderr, "failed to seek to %x\n", psisoimg_offs + 0x800); |
9a92bffb | 804 | goto fail_io; |
805 | } | |
806 | ||
807 | // first 3 entries are special | |
808 | fseek(cdHandle, sizeof(toc_entry), SEEK_CUR); | |
809 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
810 | numtracks = btoi(toc_entry.index1[0]); | |
811 | ||
812 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
813 | cd_length = btoi(toc_entry.index1[0]) * 60 * 75 + | |
814 | btoi(toc_entry.index1[1]) * 75 + btoi(toc_entry.index1[2]); | |
815 | ||
816 | for (i = 1; i <= numtracks; i++) { | |
817 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
818 | ||
819 | ti[i].type = (toc_entry.type == 1) ? CDDA : DATA; | |
820 | ||
821 | ti[i].start_offset = btoi(toc_entry.index0[0]) * 60 * 75 + | |
822 | btoi(toc_entry.index0[1]) * 75 + btoi(toc_entry.index0[2]); | |
823 | ti[i].start[0] = btoi(toc_entry.index1[0]); | |
824 | ti[i].start[1] = btoi(toc_entry.index1[1]); | |
825 | ti[i].start[2] = btoi(toc_entry.index1[2]); | |
826 | ||
827 | if (i > 1) { | |
828 | t = msf2sec(ti[i].start) - msf2sec(ti[i - 1].start); | |
829 | sec2msf(t, ti[i - 1].length); | |
830 | } | |
831 | } | |
832 | t = cd_length - ti[numtracks].start_offset; | |
833 | sec2msf(t, ti[numtracks].length); | |
834 | ||
835 | // seek to ISO index | |
0c2871a7 | 836 | ret = fseek(cdHandle, psisoimg_offs + 0x4000, SEEK_SET); |
9a92bffb | 837 | if (ret != 0) { |
838 | fprintf(stderr, "failed to seek to ISO index\n"); | |
839 | goto fail_io; | |
840 | } | |
841 | ||
842 | compr_img = calloc(1, sizeof(*compr_img)); | |
843 | if (compr_img == NULL) | |
844 | goto fail_io; | |
845 | ||
0877957a | 846 | compr_img->block_shift = 4; |
9a92bffb | 847 | compr_img->current_block = (unsigned int)-1; |
848 | ||
849 | compr_img->index_len = (0x100000 - 0x4000) / sizeof(index_entry); | |
850 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
851 | if (compr_img->index_table == NULL) | |
852 | goto fail_io; | |
853 | ||
0c2871a7 | 854 | cdimg_base = psisoimg_offs + 0x100000; |
9a92bffb | 855 | for (i = 0; i < compr_img->index_len; i++) { |
856 | ret = fread(&index_entry, 1, sizeof(index_entry), cdHandle); | |
857 | if (ret != sizeof(index_entry)) { | |
858 | fprintf(stderr, "failed to read index_entry #%d\n", i); | |
859 | goto fail_index; | |
860 | } | |
861 | ||
862 | if (index_entry.size == 0) | |
863 | break; | |
864 | ||
865 | compr_img->index_table[i] = cdimg_base + index_entry.offset; | |
866 | } | |
867 | compr_img->index_table[i] = cdimg_base + index_entry.offset + index_entry.size; | |
868 | ||
869 | return 0; | |
870 | ||
871 | fail_index: | |
872 | free(compr_img->index_table); | |
873 | compr_img->index_table = NULL; | |
874 | fail_io: | |
0877957a | 875 | if (compr_img != NULL) { |
876 | free(compr_img); | |
877 | compr_img = NULL; | |
878 | } | |
879 | return -1; | |
880 | } | |
881 | ||
882 | static int handlecbin(const char *isofile) { | |
883 | struct | |
884 | { | |
885 | char magic[4]; | |
886 | unsigned int header_size; | |
887 | unsigned long long total_bytes; | |
888 | unsigned int block_size; | |
889 | unsigned char ver; // 1 | |
890 | unsigned char align; | |
891 | unsigned char rsv_06[2]; | |
892 | } ciso_hdr; | |
893 | const char *ext = NULL; | |
0c2871a7 | 894 | unsigned int index = 0, plain; |
0877957a | 895 | int i, ret; |
896 | ||
897 | if (strlen(isofile) >= 5) | |
898 | ext = isofile + strlen(isofile) - 5; | |
899 | if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0)) | |
900 | return -1; | |
901 | ||
902 | ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle); | |
903 | if (ret != sizeof(ciso_hdr)) { | |
904 | fprintf(stderr, "failed to read ciso header\n"); | |
905 | return -1; | |
906 | } | |
907 | ||
908 | if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) { | |
909 | fprintf(stderr, "bad ciso header\n"); | |
910 | return -1; | |
911 | } | |
912 | if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) { | |
913 | ret = fseek(cdHandle, ciso_hdr.header_size, SEEK_SET); | |
914 | if (ret != 0) { | |
915 | fprintf(stderr, "failed to seek to %x\n", ciso_hdr.header_size); | |
916 | return -1; | |
917 | } | |
918 | } | |
919 | ||
920 | compr_img = calloc(1, sizeof(*compr_img)); | |
921 | if (compr_img == NULL) | |
922 | goto fail_io; | |
923 | ||
924 | compr_img->block_shift = 0; | |
925 | compr_img->current_block = (unsigned int)-1; | |
926 | ||
927 | compr_img->index_len = ciso_hdr.total_bytes / ciso_hdr.block_size; | |
928 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
929 | if (compr_img->index_table == NULL) | |
930 | goto fail_io; | |
931 | ||
932 | ret = fread(compr_img->index_table, sizeof(compr_img->index_table[0]), compr_img->index_len, cdHandle); | |
933 | if (ret != compr_img->index_len) { | |
934 | fprintf(stderr, "failed to read index table\n"); | |
935 | goto fail_index; | |
936 | } | |
937 | ||
938 | for (i = 0; i < compr_img->index_len + 1; i++) { | |
939 | index = compr_img->index_table[i]; | |
940 | plain = index & 0x80000000; | |
941 | index &= 0x7fffffff; | |
942 | compr_img->index_table[i] = (index << ciso_hdr.align) | plain; | |
943 | } | |
944 | if ((long long)index << ciso_hdr.align >= 0x80000000ll) | |
945 | fprintf(stderr, "warning: ciso img too large, expect problems\n"); | |
946 | ||
947 | return 0; | |
948 | ||
949 | fail_index: | |
950 | free(compr_img->index_table); | |
951 | compr_img->index_table = NULL; | |
952 | fail_io: | |
953 | if (compr_img != NULL) { | |
954 | free(compr_img); | |
955 | compr_img = NULL; | |
956 | } | |
9a92bffb | 957 | return -1; |
958 | } | |
959 | ||
ef79bbde P |
960 | // this function tries to get the .sub file of the given .img |
961 | static int opensubfile(const char *isoname) { | |
962 | char subname[MAXPATHLEN]; | |
963 | ||
964 | // copy name of the iso and change extension from .img to .sub | |
965 | strncpy(subname, isoname, sizeof(subname)); | |
966 | subname[MAXPATHLEN - 1] = '\0'; | |
967 | if (strlen(subname) >= 4) { | |
968 | strcpy(subname + strlen(subname) - 4, ".sub"); | |
969 | } | |
970 | else { | |
971 | return -1; | |
972 | } | |
973 | ||
974 | subHandle = fopen(subname, "rb"); | |
975 | if (subHandle == NULL) { | |
976 | return -1; | |
977 | } | |
978 | ||
979 | return 0; | |
980 | } | |
981 | ||
ae4e7dc9 | 982 | static int opensbifile(const char *isoname) { |
983 | char sbiname[MAXPATHLEN]; | |
984 | int s; | |
985 | ||
986 | strncpy(sbiname, isoname, sizeof(sbiname)); | |
987 | sbiname[MAXPATHLEN - 1] = '\0'; | |
988 | if (strlen(sbiname) >= 4) { | |
989 | strcpy(sbiname + strlen(sbiname) - 4, ".sbi"); | |
990 | } | |
991 | else { | |
992 | return -1; | |
993 | } | |
994 | ||
995 | fseek(cdHandle, 0, SEEK_END); | |
996 | s = ftell(cdHandle) / 2352; | |
997 | ||
998 | return LoadSBI(sbiname, s); | |
999 | } | |
1000 | ||
9a92bffb | 1001 | static int cdread_normal(FILE *f, void *dest, int sector, int offset) |
1002 | { | |
1003 | fseek(f, sector * CD_FRAMESIZE_RAW + offset, SEEK_SET); | |
1004 | return fread(dest, 1, CD_FRAMESIZE_RAW - offset, f); | |
1005 | } | |
1006 | ||
1007 | static int cdread_sub_mixed(FILE *f, void *dest, int sector, int offset) | |
1008 | { | |
1009 | int ret; | |
1010 | ||
1011 | fseek(f, sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE) + offset, SEEK_SET); | |
1012 | ret = fread(dest, 1, CD_FRAMESIZE_RAW - offset, f); | |
1013 | fread(subbuffer, 1, SUB_FRAMESIZE, f); | |
1014 | ||
1015 | if (subChanRaw) DecodeRawSubData(); | |
1016 | ||
1017 | return ret; | |
1018 | } | |
1019 | ||
1020 | static int uncompress2(void *out, unsigned long *out_size, void *in, unsigned long in_size) | |
1021 | { | |
1022 | static z_stream z; | |
1023 | int ret = 0; | |
1024 | ||
1025 | if (z.zalloc == NULL) { | |
1026 | // XXX: one-time leak here.. | |
1027 | z.next_in = Z_NULL; | |
1028 | z.avail_in = 0; | |
1029 | z.zalloc = Z_NULL; | |
1030 | z.zfree = Z_NULL; | |
1031 | z.opaque = Z_NULL; | |
1032 | ret = inflateInit2(&z, -15); | |
1033 | } | |
1034 | else | |
1035 | ret = inflateReset(&z); | |
1036 | if (ret != Z_OK) | |
1037 | return ret; | |
1038 | ||
1039 | z.next_in = in; | |
1040 | z.avail_in = in_size; | |
1041 | z.next_out = out; | |
1042 | z.avail_out = *out_size; | |
1043 | ||
1044 | ret = inflate(&z, Z_NO_FLUSH); | |
1045 | //inflateEnd(&z); | |
1046 | ||
1047 | *out_size -= z.avail_out; | |
1048 | return ret == 1 ? 0 : ret; | |
1049 | } | |
1050 | ||
1051 | static int cdread_compressed(FILE *f, void *dest, int sector, int offset) | |
1052 | { | |
0877957a | 1053 | unsigned long cdbuffer_size, cdbuffer_size_expect; |
9a92bffb | 1054 | unsigned int start_byte, size; |
0877957a | 1055 | int is_compressed; |
9a92bffb | 1056 | int ret, block; |
1057 | ||
0877957a | 1058 | block = sector >> compr_img->block_shift; |
1059 | compr_img->sector_in_blk = sector & ((1 << compr_img->block_shift) - 1); | |
9a92bffb | 1060 | |
1061 | if (block == compr_img->current_block) { | |
1062 | //printf("hit sect %d\n", sector); | |
1063 | goto finish; | |
1064 | } | |
1065 | ||
1066 | if (sector >= compr_img->index_len * 16) { | |
1067 | fprintf(stderr, "sector %d is past img end\n", sector); | |
1068 | return -1; | |
1069 | } | |
1070 | ||
0877957a | 1071 | start_byte = compr_img->index_table[block] & 0x7fffffff; |
9a92bffb | 1072 | if (fseek(cdHandle, start_byte, SEEK_SET) != 0) { |
1073 | fprintf(stderr, "seek error for block %d at %x: ", | |
1074 | block, start_byte); | |
1075 | perror(NULL); | |
1076 | return -1; | |
1077 | } | |
1078 | ||
0877957a | 1079 | is_compressed = !(compr_img->index_table[block] & 0x80000000); |
1080 | size = (compr_img->index_table[block + 1] & 0x7fffffff) - start_byte; | |
9a92bffb | 1081 | if (size > sizeof(compr_img->buff_compressed)) { |
1082 | fprintf(stderr, "block %d is too large: %u\n", block, size); | |
1083 | return -1; | |
1084 | } | |
1085 | ||
0877957a | 1086 | if (fread(is_compressed ? compr_img->buff_compressed : compr_img->buff_raw[0], |
1087 | 1, size, cdHandle) != size) { | |
9a92bffb | 1088 | fprintf(stderr, "read error for block %d at %x: ", block, start_byte); |
1089 | perror(NULL); | |
1090 | return -1; | |
1091 | } | |
1092 | ||
0877957a | 1093 | if (is_compressed) { |
1094 | cdbuffer_size_expect = sizeof(compr_img->buff_raw[0]) << compr_img->block_shift; | |
1095 | cdbuffer_size = cdbuffer_size_expect; | |
1096 | ret = uncompress2(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size); | |
1097 | if (ret != 0) { | |
1098 | fprintf(stderr, "uncompress failed with %d for block %d, sector %d\n", | |
1099 | ret, block, sector); | |
1100 | return -1; | |
1101 | } | |
1102 | if (cdbuffer_size != cdbuffer_size_expect) | |
1103 | fprintf(stderr, "cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size, | |
1104 | cdbuffer_size_expect, sector); | |
9a92bffb | 1105 | } |
9a92bffb | 1106 | |
1107 | // done at last! | |
1108 | compr_img->current_block = block; | |
1109 | ||
1110 | finish: | |
1111 | if (dest != cdbuffer) // copy avoid HACK | |
1112 | memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk] + offset, | |
1113 | CD_FRAMESIZE_RAW - offset); | |
1114 | return CD_FRAMESIZE_RAW - offset; | |
1115 | } | |
1116 | ||
1117 | static int cdread_2048(FILE *f, void *dest, int sector, int offset) | |
1118 | { | |
1119 | int ret; | |
1120 | ||
1121 | fseek(f, sector * 2048, SEEK_SET); | |
1122 | ret = fread((char *)dest + 12, 1, 2048, f); | |
1123 | ||
1124 | // not really necessary, fake mode 2 header | |
1125 | memset(cdbuffer, 0, 12); | |
1126 | sec2msf(sector + 2 * 75, (char *)cdbuffer); | |
1127 | cdbuffer[3] = 1; | |
1128 | ||
1129 | return ret; | |
1130 | } | |
1131 | ||
1132 | static unsigned char * CALLBACK ISOgetBuffer_compr(void) { | |
1133 | return compr_img->buff_raw[compr_img->sector_in_blk] + 12; | |
1134 | } | |
1135 | ||
1136 | static unsigned char * CALLBACK ISOgetBuffer(void) { | |
1137 | return cdbuffer; | |
1138 | } | |
1139 | ||
ef79bbde P |
1140 | static void PrintTracks(void) { |
1141 | int i; | |
1142 | ||
1143 | for (i = 1; i <= numtracks; i++) { | |
1144 | SysPrintf(_("Track %.2d (%s) - Start %.2d:%.2d:%.2d, Length %.2d:%.2d:%.2d\n"), | |
1145 | i, (ti[i].type == DATA ? "DATA" : "AUDIO"), | |
1146 | ti[i].start[0], ti[i].start[1], ti[i].start[2], | |
1147 | ti[i].length[0], ti[i].length[1], ti[i].length[2]); | |
1148 | } | |
1149 | } | |
1150 | ||
1151 | // This function is invoked by the front-end when opening an ISO | |
1152 | // file for playback | |
1153 | static long CALLBACK ISOopen(void) { | |
9a92bffb | 1154 | boolean isMode1ISO = FALSE; |
1155 | ||
ef79bbde P |
1156 | if (cdHandle != NULL) { |
1157 | return 0; // it's already open | |
1158 | } | |
1159 | ||
1160 | cdHandle = fopen(GetIsoFile(), "rb"); | |
1161 | if (cdHandle == NULL) { | |
1162 | return -1; | |
1163 | } | |
1164 | ||
1165 | SysPrintf(_("Loaded CD Image: %s"), GetIsoFile()); | |
1166 | ||
1167 | cddaBigEndian = FALSE; | |
1168 | subChanMixed = FALSE; | |
1169 | subChanRaw = FALSE; | |
8aa91443 | 1170 | pregapOffset = 0; |
0c2871a7 | 1171 | cdrIsoMultidiskCount = 1; |
ef79bbde | 1172 | |
9a92bffb | 1173 | CDR_getBuffer = ISOgetBuffer; |
1174 | cdimg_read_func = cdread_normal; | |
1175 | ||
ef79bbde P |
1176 | if (parsecue(GetIsoFile()) == 0) { |
1177 | SysPrintf("[+cue]"); | |
1178 | } | |
1179 | else if (parsetoc(GetIsoFile()) == 0) { | |
1180 | SysPrintf("[+toc]"); | |
1181 | } | |
1182 | else if (parseccd(GetIsoFile()) == 0) { | |
1183 | SysPrintf("[+ccd]"); | |
1184 | } | |
1185 | else if (parsemds(GetIsoFile()) == 0) { | |
1186 | SysPrintf("[+mds]"); | |
1187 | } | |
0877957a | 1188 | if (handlepbp(GetIsoFile()) == 0) { |
9a92bffb | 1189 | SysPrintf("[pbp]"); |
1190 | CDR_getBuffer = ISOgetBuffer_compr; | |
1191 | cdimg_read_func = cdread_compressed; | |
1192 | } | |
0877957a | 1193 | else if (handlecbin(GetIsoFile()) == 0) { |
1194 | SysPrintf("[cbin]"); | |
1195 | CDR_getBuffer = ISOgetBuffer_compr; | |
1196 | cdimg_read_func = cdread_compressed; | |
1197 | } | |
ef79bbde P |
1198 | |
1199 | if (!subChanMixed && opensubfile(GetIsoFile()) == 0) { | |
1200 | SysPrintf("[+sub]"); | |
1201 | } | |
ae4e7dc9 | 1202 | if (opensbifile(GetIsoFile()) == 0) { |
1203 | SysPrintf("[+sbi]"); | |
1204 | } | |
ef79bbde | 1205 | |
9a92bffb | 1206 | // guess whether it is mode1/2048 |
1207 | fseek(cdHandle, 0, SEEK_END); | |
1208 | if (ftell(cdHandle) % 2048 == 0) { | |
1209 | unsigned int modeTest = 0; | |
1210 | fseek(cdHandle, 0, SEEK_SET); | |
1211 | fread(&modeTest, 4, 1, cdHandle); | |
1212 | if (SWAP32(modeTest) != 0xffffff00) { | |
1213 | SysPrintf("[2048]"); | |
1214 | isMode1ISO = TRUE; | |
1215 | } | |
1216 | } | |
1217 | fseek(cdHandle, 0, SEEK_SET); | |
1218 | ||
ef79bbde P |
1219 | SysPrintf(".\n"); |
1220 | ||
1221 | PrintTracks(); | |
1222 | ||
9a92bffb | 1223 | if (subChanMixed) |
1224 | cdimg_read_func = cdread_sub_mixed; | |
1225 | else if (isMode1ISO) | |
1226 | cdimg_read_func = cdread_2048; | |
1227 | ||
38b8102c | 1228 | // make sure we have another handle open for cdda |
1229 | if (numtracks > 1 && ti[1].handle == NULL) { | |
1230 | ti[1].handle = fopen(GetIsoFile(), "rb"); | |
1231 | } | |
2058d51f | 1232 | cdda_cur_sector = cdda_toc_delta = 0; |
38b8102c | 1233 | |
ef79bbde P |
1234 | return 0; |
1235 | } | |
1236 | ||
1237 | static long CALLBACK ISOclose(void) { | |
38b8102c | 1238 | int i; |
1239 | ||
ef79bbde P |
1240 | if (cdHandle != NULL) { |
1241 | fclose(cdHandle); | |
1242 | cdHandle = NULL; | |
1243 | } | |
1244 | if (subHandle != NULL) { | |
1245 | fclose(subHandle); | |
1246 | subHandle = NULL; | |
1247 | } | |
1248 | stopCDDA(); | |
38b8102c | 1249 | cddaHandle = NULL; |
1250 | ||
9a92bffb | 1251 | if (compr_img != NULL) { |
1252 | free(compr_img->index_table); | |
1253 | free(compr_img); | |
1254 | compr_img = NULL; | |
1255 | } | |
1256 | ||
38b8102c | 1257 | for (i = 1; i <= numtracks; i++) { |
1258 | if (ti[i].handle != NULL) { | |
1259 | fclose(ti[i].handle); | |
1260 | ti[i].handle = NULL; | |
1261 | } | |
1262 | } | |
1263 | numtracks = 0; | |
ae4e7dc9 | 1264 | UnloadSBI(); |
38b8102c | 1265 | |
1266 | return 0; | |
1267 | } | |
1268 | ||
1269 | static long CALLBACK ISOinit(void) { | |
1270 | assert(cdHandle == NULL); | |
1271 | assert(subHandle == NULL); | |
1272 | ||
1273 | return 0; // do nothing | |
1274 | } | |
1275 | ||
1276 | static long CALLBACK ISOshutdown(void) { | |
1277 | ISOclose(); | |
ef79bbde P |
1278 | return 0; |
1279 | } | |
1280 | ||
1281 | // return Starting and Ending Track | |
1282 | // buffer: | |
1283 | // byte 0 - start track | |
1284 | // byte 1 - end track | |
1285 | static long CALLBACK ISOgetTN(unsigned char *buffer) { | |
1286 | buffer[0] = 1; | |
1287 | ||
1288 | if (numtracks > 0) { | |
1289 | buffer[1] = numtracks; | |
1290 | } | |
1291 | else { | |
1292 | buffer[1] = 1; | |
1293 | } | |
1294 | ||
1295 | return 0; | |
1296 | } | |
1297 | ||
1298 | // return Track Time | |
1299 | // buffer: | |
1300 | // byte 0 - frame | |
1301 | // byte 1 - second | |
1302 | // byte 2 - minute | |
1303 | static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) { | |
858ad511 | 1304 | if (track == 0) { |
1305 | // CD length according pcsxr-svn (done a bit different here) | |
1306 | unsigned int sect; | |
1307 | unsigned char time[3]; | |
1308 | sect = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length); | |
ab948f7e | 1309 | sec2msf(sect, (char *)time); |
858ad511 | 1310 | buffer[2] = time[0]; |
1311 | buffer[1] = time[1]; | |
1312 | buffer[0] = time[2]; | |
1313 | } | |
1314 | else if (numtracks > 0 && track <= numtracks) { | |
ef79bbde P |
1315 | buffer[2] = ti[track].start[0]; |
1316 | buffer[1] = ti[track].start[1]; | |
1317 | buffer[0] = ti[track].start[2]; | |
1318 | } | |
1319 | else { | |
1320 | buffer[2] = 0; | |
1321 | buffer[1] = 2; | |
1322 | buffer[0] = 0; | |
1323 | } | |
1324 | ||
1325 | return 0; | |
1326 | } | |
1327 | ||
1328 | // decode 'raw' subchannel data ripped by cdrdao | |
1329 | static void DecodeRawSubData(void) { | |
1330 | unsigned char subQData[12]; | |
1331 | int i; | |
1332 | ||
1333 | memset(subQData, 0, sizeof(subQData)); | |
1334 | ||
1335 | for (i = 0; i < 8 * 12; i++) { | |
1336 | if (subbuffer[i] & (1 << 6)) { // only subchannel Q is needed | |
1337 | subQData[i >> 3] |= (1 << (7 - (i & 7))); | |
1338 | } | |
1339 | } | |
1340 | ||
1341 | memcpy(&subbuffer[12], subQData, 12); | |
1342 | } | |
1343 | ||
1344 | // read track | |
1345 | // time: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1346 | // uses bcd format | |
1347 | static long CALLBACK ISOreadTrack(unsigned char *time) { | |
19c03d80 | 1348 | int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])); |
1349 | ||
ef79bbde P |
1350 | if (cdHandle == NULL) { |
1351 | return -1; | |
1352 | } | |
1353 | ||
8aa91443 | 1354 | if (pregapOffset) { |
1355 | subChanMissing = FALSE; | |
1356 | if (sector >= pregapOffset) { | |
1357 | sector -= 2 * 75; | |
1358 | if (sector < pregapOffset) | |
1359 | subChanMissing = TRUE; | |
1360 | } | |
1361 | } | |
1362 | ||
9a92bffb | 1363 | cdimg_read_func(cdHandle, cdbuffer, sector, 12); |
ef79bbde | 1364 | |
9a92bffb | 1365 | if (subHandle != NULL) { |
1366 | fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET); | |
1367 | fread(subbuffer, 1, SUB_FRAMESIZE, subHandle); | |
ef79bbde | 1368 | |
9a92bffb | 1369 | if (subChanRaw) DecodeRawSubData(); |
ef79bbde P |
1370 | } |
1371 | ||
1372 | return 0; | |
1373 | } | |
1374 | ||
ef79bbde P |
1375 | // plays cdda audio |
1376 | // sector: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1377 | // does NOT uses bcd format | |
1378 | static long CALLBACK ISOplay(unsigned char *time) { | |
2058d51f | 1379 | unsigned int i, abs_sect, start_sect = 0; |
1380 | int track_offset, file_sect; | |
38b8102c | 1381 | |
7b8da7ab | 1382 | if (numtracks <= 1) |
1383 | return 0; | |
1384 | ||
38b8102c | 1385 | // find the track |
19c03d80 | 1386 | abs_sect = msf2sec((char *)time); |
2058d51f | 1387 | for (i = numtracks; i > 1; i--) { |
1388 | start_sect = msf2sec(ti[i].start); | |
1389 | if (start_sect <= abs_sect + 2 * 75) | |
38b8102c | 1390 | break; |
2058d51f | 1391 | } |
38b8102c | 1392 | |
2058d51f | 1393 | track_offset = abs_sect - start_sect; |
1394 | file_sect = ti[i].start_offset + track_offset; | |
19c03d80 | 1395 | if (file_sect < 0) |
1396 | file_sect = 0; | |
1397 | ||
38b8102c | 1398 | // find the file that contains this track |
1399 | for (; i > 1; i--) | |
1400 | if (ti[i].handle != NULL) | |
1401 | break; | |
1402 | ||
2058d51f | 1403 | cdda_first_sector = 0; |
1404 | if (i == 1) | |
1405 | cdda_first_sector = file_sect - track_offset; | |
38b8102c | 1406 | |
2058d51f | 1407 | cdda_toc_delta = abs_sect - file_sect; |
1408 | cddaHandle = ti[i].handle; | |
8aa91443 | 1409 | |
ef79bbde | 1410 | if (SPU_playCDDAchannel != NULL) { |
9a92bffb | 1411 | startCDDA(file_sect); |
ef79bbde P |
1412 | } |
1413 | return 0; | |
1414 | } | |
1415 | ||
1416 | // stops cdda audio | |
1417 | static long CALLBACK ISOstop(void) { | |
1418 | stopCDDA(); | |
1419 | return 0; | |
1420 | } | |
1421 | ||
1422 | // gets subchannel data | |
1423 | static unsigned char* CALLBACK ISOgetBufferSub(void) { | |
8aa91443 | 1424 | if ((subHandle != NULL || subChanMixed) && !subChanMissing) { |
ef79bbde P |
1425 | return subbuffer; |
1426 | } | |
1427 | ||
1428 | return NULL; | |
1429 | } | |
1430 | ||
1431 | static long CALLBACK ISOgetStatus(struct CdrStat *stat) { | |
1432 | int sec; | |
1433 | ||
1434 | CDR__getStatus(stat); | |
1435 | ||
1436 | if (playing) { | |
1437 | stat->Type = 0x02; | |
1438 | stat->Status |= 0x80; | |
ef79bbde P |
1439 | } |
1440 | else { | |
1441 | stat->Type = 0x01; | |
1442 | } | |
1443 | ||
2058d51f | 1444 | sec = cdda_cur_sector + cdda_toc_delta; |
858ad511 | 1445 | sec2msf(sec, (char *)stat->Time); |
1446 | ||
ef79bbde P |
1447 | return 0; |
1448 | } | |
1449 | ||
1450 | void cdrIsoInit(void) { | |
1451 | CDR_init = ISOinit; | |
1452 | CDR_shutdown = ISOshutdown; | |
1453 | CDR_open = ISOopen; | |
1454 | CDR_close = ISOclose; | |
1455 | CDR_getTN = ISOgetTN; | |
1456 | CDR_getTD = ISOgetTD; | |
1457 | CDR_readTrack = ISOreadTrack; | |
1458 | CDR_getBuffer = ISOgetBuffer; | |
1459 | CDR_play = ISOplay; | |
1460 | CDR_stop = ISOstop; | |
1461 | CDR_getBufferSub = ISOgetBufferSub; | |
1462 | CDR_getStatus = ISOgetStatus; | |
1463 | ||
1464 | CDR_getDriveLetter = CDR__getDriveLetter; | |
1465 | CDR_configure = CDR__configure; | |
1466 | CDR_test = CDR__test; | |
1467 | CDR_about = CDR__about; | |
1468 | CDR_setfilename = CDR__setfilename; | |
1469 | ||
1470 | numtracks = 0; | |
1471 | } | |
1472 | ||
1473 | int cdrIsoActive(void) { | |
1474 | return (cdHandle != NULL); | |
1475 | } |