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