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