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ef79bbde P |
1 | /*************************************************************************** |
2 | * Copyright (C) 2007 PCSX-df Team * | |
3 | * Copyright (C) 2009 Wei Mingzhi * | |
77160d47 | 4 | * Copyright (C) 2012 notaz * |
ef79bbde P |
5 | * * |
6 | * This program is free software; you can redistribute it and/or modify * | |
7 | * it under the terms of the GNU General Public License as published by * | |
8 | * the Free Software Foundation; either version 2 of the License, or * | |
9 | * (at your option) any later version. * | |
10 | * * | |
11 | * This program is distributed in the hope that it will be useful, * | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
14 | * GNU General Public License for more details. * | |
15 | * * | |
16 | * You should have received a copy of the GNU General Public License * | |
17 | * along with this program; if not, write to the * | |
18 | * Free Software Foundation, Inc., * | |
19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * | |
20 | ***************************************************************************/ | |
21 | ||
22 | #include "psxcommon.h" | |
23 | #include "plugins.h" | |
24 | #include "cdrom.h" | |
25 | #include "cdriso.h" | |
ae4e7dc9 | 26 | #include "ppf.h" |
ef79bbde P |
27 | |
28 | #ifdef _WIN32 | |
29 | #include <process.h> | |
30 | #include <windows.h> | |
31 | #else | |
32 | #include <pthread.h> | |
33 | #include <sys/time.h> | |
349f7d81 | 34 | #include <unistd.h> |
ef79bbde | 35 | #endif |
9a92bffb | 36 | #include <zlib.h> |
ef79bbde | 37 | |
0c2871a7 | 38 | unsigned int cdrIsoMultidiskCount; |
39 | unsigned int cdrIsoMultidiskSelect; | |
40 | ||
ef79bbde P |
41 | static FILE *cdHandle = NULL; |
42 | static FILE *cddaHandle = NULL; | |
43 | static FILE *subHandle = NULL; | |
44 | ||
45 | static boolean subChanMixed = FALSE; | |
46 | static boolean subChanRaw = FALSE; | |
8aa91443 | 47 | static boolean subChanMissing = FALSE; |
ef79bbde | 48 | |
81abe4d5 | 49 | static unsigned char cdbuffer[CD_FRAMESIZE_RAW]; |
ef79bbde P |
50 | static unsigned char subbuffer[SUB_FRAMESIZE]; |
51 | ||
52 | static unsigned char sndbuffer[CD_FRAMESIZE_RAW * 10]; | |
53 | ||
54 | #define CDDA_FRAMETIME (1000 * (sizeof(sndbuffer) / CD_FRAMESIZE_RAW) / 75) | |
55 | ||
56 | #ifdef _WIN32 | |
57 | static HANDLE threadid; | |
58 | #else | |
59 | static pthread_t threadid; | |
60 | #endif | |
61 | static unsigned int initial_offset = 0; | |
38b8102c | 62 | static boolean playing = FALSE; |
ef79bbde | 63 | static boolean cddaBigEndian = FALSE; |
77160d47 | 64 | // cdda sectors in toc, byte offset in file |
9a92bffb | 65 | static unsigned int cdda_cur_sector; |
2058d51f | 66 | static unsigned int cdda_first_sector; |
77160d47 | 67 | static unsigned int cdda_file_offset; |
8aa91443 | 68 | /* Frame offset into CD image where pregap data would be found if it was there. |
69 | * If a game seeks there we must *not* return subchannel data since it's | |
70 | * not in the CD image, so that cdrom code can fake subchannel data instead. | |
71 | * XXX: there could be multiple pregaps but PSX dumps only have one? */ | |
72 | static unsigned int pregapOffset; | |
ef79bbde | 73 | |
9a92bffb | 74 | // compressed image stuff |
75 | static struct { | |
76 | unsigned char buff_raw[16][CD_FRAMESIZE_RAW]; | |
77 | unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100]; | |
78 | unsigned int *index_table; | |
79 | unsigned int index_len; | |
0877957a | 80 | unsigned int block_shift; |
9a92bffb | 81 | unsigned int current_block; |
82 | unsigned int sector_in_blk; | |
83 | } *compr_img; | |
84 | ||
77160d47 | 85 | int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector); |
9a92bffb | 86 | |
ef79bbde P |
87 | char* CALLBACK CDR__getDriveLetter(void); |
88 | long CALLBACK CDR__configure(void); | |
89 | long CALLBACK CDR__test(void); | |
90 | void CALLBACK CDR__about(void); | |
91 | long CALLBACK CDR__setfilename(char *filename); | |
92 | long CALLBACK CDR__getStatus(struct CdrStat *stat); | |
93 | ||
19c03d80 | 94 | static void DecodeRawSubData(void); |
95 | ||
ef79bbde P |
96 | extern void *hCDRDriver; |
97 | ||
98 | struct trackinfo { | |
99 | enum {DATA, CDDA} type; | |
100 | char start[3]; // MSF-format | |
101 | char length[3]; // MSF-format | |
38b8102c | 102 | FILE *handle; // for multi-track images CDDA |
77160d47 | 103 | unsigned int start_offset; // byte offset from start of above file |
ef79bbde P |
104 | }; |
105 | ||
106 | #define MAXTRACKS 100 /* How many tracks can a CD hold? */ | |
107 | ||
108 | static int numtracks = 0; | |
109 | static struct trackinfo ti[MAXTRACKS]; | |
110 | ||
111 | // get a sector from a msf-array | |
112 | static unsigned int msf2sec(char *msf) { | |
113 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; | |
114 | } | |
115 | ||
116 | static void sec2msf(unsigned int s, char *msf) { | |
117 | msf[0] = s / 75 / 60; | |
118 | s = s - msf[0] * 75 * 60; | |
119 | msf[1] = s / 75; | |
120 | s = s - msf[1] * 75; | |
121 | msf[2] = s; | |
122 | } | |
123 | ||
124 | // divide a string of xx:yy:zz into m, s, f | |
125 | static void tok2msf(char *time, char *msf) { | |
126 | char *token; | |
127 | ||
128 | token = strtok(time, ":"); | |
129 | if (token) { | |
130 | msf[0] = atoi(token); | |
131 | } | |
132 | else { | |
133 | msf[0] = 0; | |
134 | } | |
135 | ||
136 | token = strtok(NULL, ":"); | |
137 | if (token) { | |
138 | msf[1] = atoi(token); | |
139 | } | |
140 | else { | |
141 | msf[1] = 0; | |
142 | } | |
143 | ||
144 | token = strtok(NULL, ":"); | |
145 | if (token) { | |
146 | msf[2] = atoi(token); | |
147 | } | |
148 | else { | |
149 | msf[2] = 0; | |
150 | } | |
151 | } | |
152 | ||
153 | #ifndef _WIN32 | |
154 | static long GetTickCount(void) { | |
155 | static time_t initial_time = 0; | |
156 | struct timeval now; | |
157 | ||
158 | gettimeofday(&now, NULL); | |
159 | ||
160 | if (initial_time == 0) { | |
161 | initial_time = now.tv_sec; | |
162 | } | |
163 | ||
164 | return (now.tv_sec - initial_time) * 1000L + now.tv_usec / 1000L; | |
165 | } | |
166 | #endif | |
167 | ||
168 | // this thread plays audio data | |
169 | #ifdef _WIN32 | |
170 | static void playthread(void *param) | |
171 | #else | |
172 | static void *playthread(void *param) | |
173 | #endif | |
174 | { | |
983a7cfd | 175 | long osleep, d, t, i, s; |
ef79bbde | 176 | unsigned char tmp; |
77160d47 | 177 | int ret = 0, sector_offs; |
ef79bbde P |
178 | |
179 | t = GetTickCount(); | |
180 | ||
181 | while (playing) { | |
9a92bffb | 182 | s = 0; |
183 | for (i = 0; i < sizeof(sndbuffer) / CD_FRAMESIZE_RAW; i++) { | |
77160d47 | 184 | sector_offs = cdda_cur_sector - cdda_first_sector; |
185 | if (sector_offs < 0) { | |
186 | d = CD_FRAMESIZE_RAW; | |
187 | memset(sndbuffer + s, 0, d); | |
188 | } | |
189 | else { | |
190 | d = cdimg_read_func(cddaHandle, cdda_file_offset, | |
191 | sndbuffer + s, sector_offs); | |
192 | if (d < CD_FRAMESIZE_RAW) | |
193 | break; | |
194 | } | |
2058d51f | 195 | |
9a92bffb | 196 | s += d; |
197 | cdda_cur_sector++; | |
ef79bbde | 198 | } |
19c03d80 | 199 | |
ef79bbde P |
200 | if (s == 0) { |
201 | playing = FALSE; | |
ef79bbde P |
202 | initial_offset = 0; |
203 | break; | |
204 | } | |
205 | ||
206 | if (!cdr.Muted && playing) { | |
207 | if (cddaBigEndian) { | |
208 | for (i = 0; i < s / 2; i++) { | |
209 | tmp = sndbuffer[i * 2]; | |
210 | sndbuffer[i * 2] = sndbuffer[i * 2 + 1]; | |
211 | sndbuffer[i * 2 + 1] = tmp; | |
212 | } | |
213 | } | |
214 | ||
53598a71 | 215 | // can't do it yet due to readahead.. |
216 | //cdrAttenuate((short *)sndbuffer, s / 4, 1); | |
983a7cfd | 217 | do { |
218 | ret = SPU_playCDDAchannel((short *)sndbuffer, s); | |
219 | if (ret == 0x7761) | |
220 | usleep(6 * 1000); | |
221 | } while (ret == 0x7761 && playing); // rearmed_wait | |
ef79bbde | 222 | } |
983a7cfd | 223 | |
224 | if (ret != 0x676f) { // !rearmed_go | |
225 | // do approx sleep | |
226 | long now; | |
227 | ||
228 | // HACK: stop feeding data while emu is paused | |
229 | extern int stop; | |
230 | while (stop && playing) | |
231 | usleep(10000); | |
232 | ||
233 | now = GetTickCount(); | |
234 | osleep = t - now; | |
235 | if (osleep <= 0) { | |
236 | osleep = 1; | |
237 | t = now; | |
238 | } | |
239 | else if (osleep > CDDA_FRAMETIME) { | |
240 | osleep = CDDA_FRAMETIME; | |
241 | t = now; | |
242 | } | |
243 | ||
244 | usleep(osleep * 1000); | |
245 | t += CDDA_FRAMETIME; | |
246 | } | |
247 | ||
ef79bbde P |
248 | } |
249 | ||
250 | #ifdef _WIN32 | |
251 | _endthread(); | |
252 | #else | |
253 | pthread_exit(0); | |
254 | return NULL; | |
255 | #endif | |
256 | } | |
257 | ||
258 | // stop the CDDA playback | |
259 | static void stopCDDA() { | |
260 | if (!playing) { | |
261 | return; | |
262 | } | |
263 | ||
264 | playing = FALSE; | |
265 | #ifdef _WIN32 | |
266 | WaitForSingleObject(threadid, INFINITE); | |
267 | #else | |
268 | pthread_join(threadid, NULL); | |
269 | #endif | |
ef79bbde P |
270 | } |
271 | ||
272 | // start the CDDA playback | |
77160d47 | 273 | static void startCDDA(void) { |
ef79bbde | 274 | if (playing) { |
ef79bbde P |
275 | stopCDDA(); |
276 | } | |
277 | ||
ef79bbde P |
278 | playing = TRUE; |
279 | ||
280 | #ifdef _WIN32 | |
281 | threadid = (HANDLE)_beginthread(playthread, 0, NULL); | |
282 | #else | |
283 | pthread_create(&threadid, NULL, playthread, NULL); | |
284 | #endif | |
285 | } | |
286 | ||
287 | // this function tries to get the .toc file of the given .bin | |
288 | // the necessary data is put into the ti (trackinformation)-array | |
289 | static int parsetoc(const char *isofile) { | |
290 | char tocname[MAXPATHLEN]; | |
291 | FILE *fi; | |
292 | char linebuf[256], dummy[256], name[256]; | |
293 | char *token; | |
294 | char time[20], time2[20]; | |
19c03d80 | 295 | unsigned int t, sector_offs; |
ef79bbde P |
296 | |
297 | numtracks = 0; | |
298 | ||
299 | // copy name of the iso and change extension from .bin to .toc | |
300 | strncpy(tocname, isofile, sizeof(tocname)); | |
301 | tocname[MAXPATHLEN - 1] = '\0'; | |
302 | if (strlen(tocname) >= 4) { | |
303 | strcpy(tocname + strlen(tocname) - 4, ".toc"); | |
304 | } | |
305 | else { | |
306 | return -1; | |
307 | } | |
308 | ||
309 | if ((fi = fopen(tocname, "r")) == NULL) { | |
310 | // try changing extension to .cue (to satisfy some stupid tutorials) | |
311 | strcpy(tocname + strlen(tocname) - 4, ".cue"); | |
312 | if ((fi = fopen(tocname, "r")) == NULL) { | |
313 | // if filename is image.toc.bin, try removing .bin (for Brasero) | |
314 | strcpy(tocname, isofile); | |
315 | t = strlen(tocname); | |
316 | if (t >= 8 && strcmp(tocname + t - 8, ".toc.bin") == 0) { | |
317 | tocname[t - 4] = '\0'; | |
318 | if ((fi = fopen(tocname, "r")) == NULL) { | |
319 | return -1; | |
320 | } | |
321 | } | |
322 | else { | |
323 | return -1; | |
324 | } | |
325 | } | |
326 | } | |
327 | ||
328 | memset(&ti, 0, sizeof(ti)); | |
329 | cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio | |
330 | ||
19c03d80 | 331 | sector_offs = 2 * 75; |
332 | ||
ef79bbde P |
333 | // parse the .toc file |
334 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
335 | // search for tracks | |
336 | strncpy(dummy, linebuf, sizeof(linebuf)); | |
337 | token = strtok(dummy, " "); | |
338 | ||
339 | if (token == NULL) continue; | |
340 | ||
341 | if (!strcmp(token, "TRACK")) { | |
342 | // get type of track | |
343 | token = strtok(NULL, " "); | |
344 | numtracks++; | |
345 | ||
346 | if (!strncmp(token, "MODE2_RAW", 9)) { | |
347 | ti[numtracks].type = DATA; | |
348 | sec2msf(2 * 75, ti[numtracks].start); // assume data track on 0:2:0 | |
349 | ||
350 | // check if this image contains mixed subchannel data | |
351 | token = strtok(NULL, " "); | |
352 | if (token != NULL && !strncmp(token, "RW_RAW", 6)) { | |
353 | subChanMixed = TRUE; | |
354 | subChanRaw = TRUE; | |
355 | } | |
356 | } | |
357 | else if (!strncmp(token, "AUDIO", 5)) { | |
358 | ti[numtracks].type = CDDA; | |
359 | } | |
360 | } | |
361 | else if (!strcmp(token, "DATAFILE")) { | |
362 | if (ti[numtracks].type == CDDA) { | |
363 | sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2); | |
19c03d80 | 364 | ti[numtracks].start_offset = t; |
77160d47 | 365 | t /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0); |
19c03d80 | 366 | t += sector_offs; |
ef79bbde P |
367 | sec2msf(t, (char *)&ti[numtracks].start); |
368 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
369 | } | |
370 | else { | |
371 | sscanf(linebuf, "DATAFILE \"%[^\"]\" %8s", name, time); | |
372 | tok2msf((char *)&time, (char *)&ti[numtracks].length); | |
373 | } | |
374 | } | |
375 | else if (!strcmp(token, "FILE")) { | |
376 | sscanf(linebuf, "FILE \"%[^\"]\" #%d %8s %8s", name, &t, time, time2); | |
377 | tok2msf((char *)&time, (char *)&ti[numtracks].start); | |
19c03d80 | 378 | ti[numtracks].start_offset = t; |
77160d47 | 379 | t /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0); |
19c03d80 | 380 | t += msf2sec(ti[numtracks].start) + sector_offs; |
ef79bbde P |
381 | sec2msf(t, (char *)&ti[numtracks].start); |
382 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
383 | } | |
19c03d80 | 384 | else if (!strcmp(token, "ZERO")) { |
385 | sscanf(linebuf, "ZERO AUDIO RW_RAW %8s", time); | |
386 | tok2msf((char *)&time, dummy); | |
387 | sector_offs += msf2sec(dummy); | |
8aa91443 | 388 | if (numtracks > 1) { |
389 | t = ti[numtracks - 1].start_offset; | |
77160d47 | 390 | t /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0); |
8aa91443 | 391 | pregapOffset = t + msf2sec(ti[numtracks - 1].length); |
392 | } | |
19c03d80 | 393 | } |
ef79bbde P |
394 | } |
395 | ||
396 | fclose(fi); | |
397 | ||
398 | return 0; | |
399 | } | |
400 | ||
401 | // this function tries to get the .cue file of the given .bin | |
402 | // the necessary data is put into the ti (trackinformation)-array | |
403 | static int parsecue(const char *isofile) { | |
404 | char cuename[MAXPATHLEN]; | |
38b8102c | 405 | char filepath[MAXPATHLEN]; |
406 | char *incue_fname; | |
ef79bbde P |
407 | FILE *fi; |
408 | char *token; | |
409 | char time[20]; | |
410 | char *tmp; | |
19c03d80 | 411 | char linebuf[256], tmpb[256], dummy[256]; |
38b8102c | 412 | unsigned int incue_max_len; |
77160d47 | 413 | unsigned int t, file_len, mode, sector_offs; |
414 | unsigned int sector_size = 2352; | |
ef79bbde P |
415 | |
416 | numtracks = 0; | |
417 | ||
418 | // copy name of the iso and change extension from .bin to .cue | |
419 | strncpy(cuename, isofile, sizeof(cuename)); | |
420 | cuename[MAXPATHLEN - 1] = '\0'; | |
421 | if (strlen(cuename) >= 4) { | |
422 | strcpy(cuename + strlen(cuename) - 4, ".cue"); | |
423 | } | |
424 | else { | |
425 | return -1; | |
426 | } | |
427 | ||
428 | if ((fi = fopen(cuename, "r")) == NULL) { | |
429 | return -1; | |
430 | } | |
431 | ||
432 | // Some stupid tutorials wrongly tell users to use cdrdao to rip a | |
433 | // "bin/cue" image, which is in fact a "bin/toc" image. So let's check | |
434 | // that... | |
435 | if (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
436 | if (!strncmp(linebuf, "CD_ROM_XA", 9)) { | |
437 | // Don't proceed further, as this is actually a .toc file rather | |
438 | // than a .cue file. | |
439 | fclose(fi); | |
440 | return parsetoc(isofile); | |
441 | } | |
442 | fseek(fi, 0, SEEK_SET); | |
443 | } | |
444 | ||
38b8102c | 445 | // build a path for files referenced in .cue |
446 | strncpy(filepath, cuename, sizeof(filepath)); | |
447 | tmp = strrchr(filepath, '/') + 1; | |
448 | if (tmp == NULL) | |
449 | tmp = strrchr(filepath, '\\') + 1; | |
450 | if (tmp == NULL) | |
451 | tmp = filepath; | |
452 | *tmp = 0; | |
453 | filepath[sizeof(filepath) - 1] = 0; | |
454 | incue_fname = tmp; | |
455 | incue_max_len = sizeof(filepath) - (tmp - filepath) - 1; | |
456 | ||
ef79bbde P |
457 | memset(&ti, 0, sizeof(ti)); |
458 | ||
19c03d80 | 459 | file_len = 0; |
460 | sector_offs = 2 * 75; | |
461 | ||
ef79bbde P |
462 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { |
463 | strncpy(dummy, linebuf, sizeof(linebuf)); | |
464 | token = strtok(dummy, " "); | |
465 | ||
466 | if (token == NULL) { | |
467 | continue; | |
468 | } | |
469 | ||
19c03d80 | 470 | if (!strcmp(token, "TRACK")) { |
ef79bbde P |
471 | numtracks++; |
472 | ||
77160d47 | 473 | sector_size = 0; |
ef79bbde P |
474 | if (strstr(linebuf, "AUDIO") != NULL) { |
475 | ti[numtracks].type = CDDA; | |
77160d47 | 476 | sector_size = 2352; |
ef79bbde | 477 | } |
77160d47 | 478 | else if (sscanf(linebuf, " TRACK %u MODE%u/%u", &t, &mode, §or_size) == 3) |
ef79bbde | 479 | ti[numtracks].type = DATA; |
77160d47 | 480 | else { |
481 | SysPrintf(".cue: failed to parse TRACK\n"); | |
482 | ti[numtracks].type = numtracks == 1 ? DATA : CDDA; | |
ef79bbde | 483 | } |
77160d47 | 484 | if (sector_size == 0) |
485 | sector_size = 2352; | |
ef79bbde P |
486 | } |
487 | else if (!strcmp(token, "INDEX")) { | |
77160d47 | 488 | if (sscanf(linebuf, " INDEX %02d %8s", &t, time) != 2) |
489 | SysPrintf(".cue: failed to parse INDEX\n"); | |
19c03d80 | 490 | tok2msf(time, (char *)&ti[numtracks].start); |
ef79bbde | 491 | |
19c03d80 | 492 | t = msf2sec(ti[numtracks].start); |
77160d47 | 493 | ti[numtracks].start_offset = t * sector_size; |
19c03d80 | 494 | t += sector_offs; |
ef79bbde | 495 | sec2msf(t, ti[numtracks].start); |
19c03d80 | 496 | |
497 | // default track length to file length | |
77160d47 | 498 | t = file_len - ti[numtracks].start_offset / sector_size; |
19c03d80 | 499 | sec2msf(t, ti[numtracks].length); |
500 | ||
501 | if (numtracks > 1 && ti[numtracks].handle == NULL) { | |
502 | // this track uses the same file as the last, | |
503 | // start of this track is last track's end | |
504 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
505 | sec2msf(t, ti[numtracks - 1].length); | |
38b8102c | 506 | } |
8aa91443 | 507 | if (numtracks > 1 && pregapOffset == -1) |
77160d47 | 508 | pregapOffset = ti[numtracks].start_offset / sector_size; |
19c03d80 | 509 | } |
510 | else if (!strcmp(token, "PREGAP")) { | |
511 | if (sscanf(linebuf, " PREGAP %8s", time) == 1) { | |
512 | tok2msf(time, dummy); | |
513 | sector_offs += msf2sec(dummy); | |
38b8102c | 514 | } |
8aa91443 | 515 | pregapOffset = -1; // mark to fill track start_offset |
19c03d80 | 516 | } |
517 | else if (!strcmp(token, "FILE")) { | |
385c023b | 518 | t = sscanf(linebuf, " FILE \"%256[^\"]\"", tmpb); |
519 | if (t != 1) | |
520 | sscanf(linebuf, " FILE %256s", tmpb); | |
19c03d80 | 521 | |
522 | // absolute path? | |
523 | ti[numtracks + 1].handle = fopen(tmpb, "rb"); | |
524 | if (ti[numtracks + 1].handle == NULL) { | |
525 | // relative to .cue? | |
526 | tmp = strrchr(tmpb, '\\'); | |
527 | if (tmp == NULL) | |
528 | tmp = strrchr(tmpb, '/'); | |
38b8102c | 529 | if (tmp != NULL) |
19c03d80 | 530 | tmp++; |
531 | else | |
532 | tmp = tmpb; | |
533 | strncpy(incue_fname, tmp, incue_max_len); | |
534 | ti[numtracks + 1].handle = fopen(filepath, "rb"); | |
38b8102c | 535 | } |
ef79bbde | 536 | |
19c03d80 | 537 | // update global offset if this is not first file in this .cue |
538 | if (numtracks + 1 > 1) | |
539 | sector_offs += file_len; | |
540 | ||
541 | file_len = 0; | |
38b8102c | 542 | if (ti[numtracks + 1].handle == NULL) { |
19c03d80 | 543 | SysPrintf(_("\ncould not open: %s\n"), filepath); |
544 | continue; | |
38b8102c | 545 | } |
19c03d80 | 546 | fseek(ti[numtracks + 1].handle, 0, SEEK_END); |
547 | file_len = ftell(ti[numtracks + 1].handle) / 2352; | |
548 | ||
549 | if (numtracks == 0 && strlen(isofile) >= 4 && | |
550 | strcmp(isofile + strlen(isofile) - 4, ".cue") == 0) | |
551 | { | |
38b8102c | 552 | // user selected .cue as image file, use it's data track instead |
553 | fclose(cdHandle); | |
554 | cdHandle = fopen(filepath, "rb"); | |
ef79bbde P |
555 | } |
556 | } | |
557 | } | |
558 | ||
559 | fclose(fi); | |
560 | ||
ef79bbde P |
561 | return 0; |
562 | } | |
563 | ||
564 | // this function tries to get the .ccd file of the given .img | |
565 | // the necessary data is put into the ti (trackinformation)-array | |
566 | static int parseccd(const char *isofile) { | |
567 | char ccdname[MAXPATHLEN]; | |
568 | FILE *fi; | |
569 | char linebuf[256]; | |
570 | unsigned int t; | |
571 | ||
572 | numtracks = 0; | |
573 | ||
574 | // copy name of the iso and change extension from .img to .ccd | |
575 | strncpy(ccdname, isofile, sizeof(ccdname)); | |
576 | ccdname[MAXPATHLEN - 1] = '\0'; | |
577 | if (strlen(ccdname) >= 4) { | |
578 | strcpy(ccdname + strlen(ccdname) - 4, ".ccd"); | |
579 | } | |
580 | else { | |
581 | return -1; | |
582 | } | |
583 | ||
584 | if ((fi = fopen(ccdname, "r")) == NULL) { | |
585 | return -1; | |
586 | } | |
587 | ||
588 | memset(&ti, 0, sizeof(ti)); | |
589 | ||
590 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
591 | if (!strncmp(linebuf, "[TRACK", 6)){ | |
592 | numtracks++; | |
593 | } | |
594 | else if (!strncmp(linebuf, "MODE=", 5)) { | |
595 | sscanf(linebuf, "MODE=%d", &t); | |
596 | ti[numtracks].type = ((t == 0) ? CDDA : DATA); | |
597 | } | |
598 | else if (!strncmp(linebuf, "INDEX 1=", 8)) { | |
599 | sscanf(linebuf, "INDEX 1=%d", &t); | |
600 | sec2msf(t + 2 * 75, ti[numtracks].start); | |
77160d47 | 601 | ti[numtracks].start_offset = t * 2352; |
ef79bbde P |
602 | |
603 | // If we've already seen another track, this is its end | |
604 | if (numtracks > 1) { | |
605 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
606 | sec2msf(t, ti[numtracks - 1].length); | |
607 | } | |
608 | } | |
609 | } | |
610 | ||
611 | fclose(fi); | |
612 | ||
613 | // Fill out the last track's end based on size | |
614 | if (numtracks >= 1) { | |
615 | fseek(cdHandle, 0, SEEK_END); | |
616 | t = ftell(cdHandle) / 2352 - msf2sec(ti[numtracks].start) + 2 * 75; | |
617 | sec2msf(t, ti[numtracks].length); | |
618 | } | |
619 | ||
620 | return 0; | |
621 | } | |
622 | ||
623 | // this function tries to get the .mds file of the given .mdf | |
624 | // the necessary data is put into the ti (trackinformation)-array | |
625 | static int parsemds(const char *isofile) { | |
626 | char mdsname[MAXPATHLEN]; | |
627 | FILE *fi; | |
628 | unsigned int offset, extra_offset, l, i; | |
629 | unsigned short s; | |
630 | ||
631 | numtracks = 0; | |
632 | ||
633 | // copy name of the iso and change extension from .mdf to .mds | |
634 | strncpy(mdsname, isofile, sizeof(mdsname)); | |
635 | mdsname[MAXPATHLEN - 1] = '\0'; | |
636 | if (strlen(mdsname) >= 4) { | |
637 | strcpy(mdsname + strlen(mdsname) - 4, ".mds"); | |
638 | } | |
639 | else { | |
640 | return -1; | |
641 | } | |
642 | ||
643 | if ((fi = fopen(mdsname, "rb")) == NULL) { | |
644 | return -1; | |
645 | } | |
646 | ||
647 | memset(&ti, 0, sizeof(ti)); | |
648 | ||
649 | // check if it's a valid mds file | |
650 | fread(&i, 1, sizeof(unsigned int), fi); | |
651 | i = SWAP32(i); | |
652 | if (i != 0x4944454D) { | |
653 | // not an valid mds file | |
654 | fclose(fi); | |
655 | return -1; | |
656 | } | |
657 | ||
658 | // get offset to session block | |
659 | fseek(fi, 0x50, SEEK_SET); | |
660 | fread(&offset, 1, sizeof(unsigned int), fi); | |
661 | offset = SWAP32(offset); | |
662 | ||
663 | // get total number of tracks | |
664 | offset += 14; | |
665 | fseek(fi, offset, SEEK_SET); | |
666 | fread(&s, 1, sizeof(unsigned short), fi); | |
667 | s = SWAP16(s); | |
668 | numtracks = s; | |
669 | ||
670 | // get offset to track blocks | |
671 | fseek(fi, 4, SEEK_CUR); | |
672 | fread(&offset, 1, sizeof(unsigned int), fi); | |
673 | offset = SWAP32(offset); | |
674 | ||
675 | // skip lead-in data | |
676 | while (1) { | |
677 | fseek(fi, offset + 4, SEEK_SET); | |
678 | if (fgetc(fi) < 0xA0) { | |
679 | break; | |
680 | } | |
681 | offset += 0x50; | |
682 | } | |
683 | ||
684 | // check if the image contains mixed subchannel data | |
685 | fseek(fi, offset + 1, SEEK_SET); | |
77160d47 | 686 | subChanMixed = subChanRaw = (fgetc(fi) ? TRUE : FALSE); |
ef79bbde P |
687 | |
688 | // read track data | |
689 | for (i = 1; i <= numtracks; i++) { | |
690 | fseek(fi, offset, SEEK_SET); | |
691 | ||
692 | // get the track type | |
693 | ti[i].type = ((fgetc(fi) == 0xA9) ? CDDA : DATA); | |
694 | fseek(fi, 8, SEEK_CUR); | |
695 | ||
696 | // get the track starting point | |
697 | ti[i].start[0] = fgetc(fi); | |
698 | ti[i].start[1] = fgetc(fi); | |
699 | ti[i].start[2] = fgetc(fi); | |
700 | ||
ef79bbde P |
701 | fread(&extra_offset, 1, sizeof(unsigned int), fi); |
702 | extra_offset = SWAP32(extra_offset); | |
703 | ||
19c03d80 | 704 | // get track start offset (in .mdf) |
705 | fseek(fi, offset + 0x28, SEEK_SET); | |
706 | fread(&l, 1, sizeof(unsigned int), fi); | |
707 | l = SWAP32(l); | |
77160d47 | 708 | ti[i].start_offset = l; |
19c03d80 | 709 | |
8aa91443 | 710 | // get pregap |
711 | fseek(fi, extra_offset, SEEK_SET); | |
712 | fread(&l, 1, sizeof(unsigned int), fi); | |
713 | l = SWAP32(l); | |
714 | if (l != 0 && i > 1) | |
77160d47 | 715 | pregapOffset = msf2sec(ti[i].start); |
8aa91443 | 716 | |
717 | // get the track length | |
718 | fread(&l, 1, sizeof(unsigned int), fi); | |
719 | l = SWAP32(l); | |
720 | sec2msf(l, ti[i].length); | |
721 | ||
ef79bbde P |
722 | offset += 0x50; |
723 | } | |
724 | ||
725 | fclose(fi); | |
726 | return 0; | |
727 | } | |
728 | ||
0877957a | 729 | static int handlepbp(const char *isofile) { |
9a92bffb | 730 | struct { |
731 | unsigned int sig; | |
732 | unsigned int dontcare[8]; | |
733 | unsigned int psar_offs; | |
734 | } pbp_hdr; | |
735 | struct { | |
736 | unsigned char type; | |
737 | unsigned char pad0; | |
738 | unsigned char track; | |
739 | char index0[3]; | |
740 | char pad1; | |
741 | char index1[3]; | |
742 | } toc_entry; | |
743 | struct { | |
744 | unsigned int offset; | |
745 | unsigned int size; | |
746 | unsigned int dontcare[6]; | |
747 | } index_entry; | |
0c2871a7 | 748 | char psar_sig[11]; |
9a92bffb | 749 | unsigned int t, cd_length, cdimg_base; |
0c2871a7 | 750 | unsigned int offsettab[8], psisoimg_offs; |
9a92bffb | 751 | const char *ext = NULL; |
752 | int i, ret; | |
753 | ||
754 | if (strlen(isofile) >= 4) | |
755 | ext = isofile + strlen(isofile) - 4; | |
756 | if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0)) | |
757 | return -1; | |
758 | ||
759 | numtracks = 0; | |
760 | ||
761 | ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle); | |
762 | if (ret != sizeof(pbp_hdr)) { | |
f29fbd53 | 763 | SysPrintf("failed to read pbp\n"); |
9a92bffb | 764 | goto fail_io; |
765 | } | |
766 | ||
767 | ret = fseek(cdHandle, pbp_hdr.psar_offs, SEEK_SET); | |
768 | if (ret != 0) { | |
f29fbd53 | 769 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs); |
9a92bffb | 770 | goto fail_io; |
771 | } | |
772 | ||
0c2871a7 | 773 | psisoimg_offs = pbp_hdr.psar_offs; |
9a92bffb | 774 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); |
0c2871a7 | 775 | psar_sig[10] = 0; |
776 | if (strcmp(psar_sig, "PSTITLEIMG") == 0) { | |
777 | // multidisk image? | |
778 | ret = fseek(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET); | |
779 | if (ret != 0) { | |
f29fbd53 | 780 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs + 0x200); |
0c2871a7 | 781 | goto fail_io; |
782 | } | |
783 | ||
784 | if (fread(&offsettab, 1, sizeof(offsettab), cdHandle) != sizeof(offsettab)) { | |
f29fbd53 | 785 | SysPrintf("failed to read offsettab\n"); |
0c2871a7 | 786 | goto fail_io; |
787 | } | |
788 | ||
789 | for (i = 0; i < sizeof(offsettab) / sizeof(offsettab[0]); i++) { | |
790 | if (offsettab[i] == 0) | |
791 | break; | |
792 | } | |
793 | cdrIsoMultidiskCount = i; | |
794 | if (cdrIsoMultidiskCount == 0) { | |
f29fbd53 | 795 | SysPrintf("multidisk eboot has 0 images?\n"); |
0c2871a7 | 796 | goto fail_io; |
797 | } | |
798 | ||
799 | if (cdrIsoMultidiskSelect >= cdrIsoMultidiskCount) | |
800 | cdrIsoMultidiskSelect = 0; | |
801 | ||
802 | psisoimg_offs += offsettab[cdrIsoMultidiskSelect]; | |
803 | ||
804 | ret = fseek(cdHandle, psisoimg_offs, SEEK_SET); | |
805 | if (ret != 0) { | |
f29fbd53 | 806 | SysPrintf("failed to seek to %x\n", psisoimg_offs); |
0c2871a7 | 807 | goto fail_io; |
808 | } | |
809 | ||
810 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); | |
811 | psar_sig[10] = 0; | |
812 | } | |
813 | ||
814 | if (strcmp(psar_sig, "PSISOIMG00") != 0) { | |
f29fbd53 | 815 | SysPrintf("bad psar_sig: %s\n", psar_sig); |
9a92bffb | 816 | goto fail_io; |
817 | } | |
818 | ||
819 | // seek to TOC | |
0c2871a7 | 820 | ret = fseek(cdHandle, psisoimg_offs + 0x800, SEEK_SET); |
9a92bffb | 821 | if (ret != 0) { |
f29fbd53 | 822 | SysPrintf("failed to seek to %x\n", psisoimg_offs + 0x800); |
9a92bffb | 823 | goto fail_io; |
824 | } | |
825 | ||
826 | // first 3 entries are special | |
827 | fseek(cdHandle, sizeof(toc_entry), SEEK_CUR); | |
828 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
829 | numtracks = btoi(toc_entry.index1[0]); | |
830 | ||
831 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
832 | cd_length = btoi(toc_entry.index1[0]) * 60 * 75 + | |
833 | btoi(toc_entry.index1[1]) * 75 + btoi(toc_entry.index1[2]); | |
834 | ||
835 | for (i = 1; i <= numtracks; i++) { | |
836 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
837 | ||
838 | ti[i].type = (toc_entry.type == 1) ? CDDA : DATA; | |
839 | ||
840 | ti[i].start_offset = btoi(toc_entry.index0[0]) * 60 * 75 + | |
841 | btoi(toc_entry.index0[1]) * 75 + btoi(toc_entry.index0[2]); | |
77160d47 | 842 | ti[i].start_offset *= 2352; |
9a92bffb | 843 | ti[i].start[0] = btoi(toc_entry.index1[0]); |
844 | ti[i].start[1] = btoi(toc_entry.index1[1]); | |
845 | ti[i].start[2] = btoi(toc_entry.index1[2]); | |
846 | ||
847 | if (i > 1) { | |
848 | t = msf2sec(ti[i].start) - msf2sec(ti[i - 1].start); | |
849 | sec2msf(t, ti[i - 1].length); | |
850 | } | |
851 | } | |
77160d47 | 852 | t = cd_length - ti[numtracks].start_offset / 2352; |
9a92bffb | 853 | sec2msf(t, ti[numtracks].length); |
854 | ||
855 | // seek to ISO index | |
0c2871a7 | 856 | ret = fseek(cdHandle, psisoimg_offs + 0x4000, SEEK_SET); |
9a92bffb | 857 | if (ret != 0) { |
f29fbd53 | 858 | SysPrintf("failed to seek to ISO index\n"); |
9a92bffb | 859 | goto fail_io; |
860 | } | |
861 | ||
862 | compr_img = calloc(1, sizeof(*compr_img)); | |
863 | if (compr_img == NULL) | |
864 | goto fail_io; | |
865 | ||
0877957a | 866 | compr_img->block_shift = 4; |
9a92bffb | 867 | compr_img->current_block = (unsigned int)-1; |
868 | ||
869 | compr_img->index_len = (0x100000 - 0x4000) / sizeof(index_entry); | |
870 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
871 | if (compr_img->index_table == NULL) | |
872 | goto fail_io; | |
873 | ||
0c2871a7 | 874 | cdimg_base = psisoimg_offs + 0x100000; |
9a92bffb | 875 | for (i = 0; i < compr_img->index_len; i++) { |
876 | ret = fread(&index_entry, 1, sizeof(index_entry), cdHandle); | |
877 | if (ret != sizeof(index_entry)) { | |
f29fbd53 | 878 | SysPrintf("failed to read index_entry #%d\n", i); |
9a92bffb | 879 | goto fail_index; |
880 | } | |
881 | ||
882 | if (index_entry.size == 0) | |
883 | break; | |
884 | ||
885 | compr_img->index_table[i] = cdimg_base + index_entry.offset; | |
886 | } | |
887 | compr_img->index_table[i] = cdimg_base + index_entry.offset + index_entry.size; | |
888 | ||
889 | return 0; | |
890 | ||
891 | fail_index: | |
892 | free(compr_img->index_table); | |
893 | compr_img->index_table = NULL; | |
894 | fail_io: | |
0877957a | 895 | if (compr_img != NULL) { |
896 | free(compr_img); | |
897 | compr_img = NULL; | |
898 | } | |
899 | return -1; | |
900 | } | |
901 | ||
902 | static int handlecbin(const char *isofile) { | |
903 | struct | |
904 | { | |
905 | char magic[4]; | |
906 | unsigned int header_size; | |
907 | unsigned long long total_bytes; | |
908 | unsigned int block_size; | |
909 | unsigned char ver; // 1 | |
910 | unsigned char align; | |
911 | unsigned char rsv_06[2]; | |
912 | } ciso_hdr; | |
913 | const char *ext = NULL; | |
0c2871a7 | 914 | unsigned int index = 0, plain; |
0877957a | 915 | int i, ret; |
916 | ||
917 | if (strlen(isofile) >= 5) | |
918 | ext = isofile + strlen(isofile) - 5; | |
919 | if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0)) | |
920 | return -1; | |
921 | ||
922 | ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle); | |
923 | if (ret != sizeof(ciso_hdr)) { | |
f29fbd53 | 924 | SysPrintf("failed to read ciso header\n"); |
0877957a | 925 | return -1; |
926 | } | |
927 | ||
928 | if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) { | |
f29fbd53 | 929 | SysPrintf("bad ciso header\n"); |
0877957a | 930 | return -1; |
931 | } | |
932 | if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) { | |
933 | ret = fseek(cdHandle, ciso_hdr.header_size, SEEK_SET); | |
934 | if (ret != 0) { | |
f29fbd53 | 935 | SysPrintf("failed to seek to %x\n", ciso_hdr.header_size); |
0877957a | 936 | return -1; |
937 | } | |
938 | } | |
939 | ||
940 | compr_img = calloc(1, sizeof(*compr_img)); | |
941 | if (compr_img == NULL) | |
942 | goto fail_io; | |
943 | ||
944 | compr_img->block_shift = 0; | |
945 | compr_img->current_block = (unsigned int)-1; | |
946 | ||
947 | compr_img->index_len = ciso_hdr.total_bytes / ciso_hdr.block_size; | |
948 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
949 | if (compr_img->index_table == NULL) | |
950 | goto fail_io; | |
951 | ||
952 | ret = fread(compr_img->index_table, sizeof(compr_img->index_table[0]), compr_img->index_len, cdHandle); | |
953 | if (ret != compr_img->index_len) { | |
f29fbd53 | 954 | SysPrintf("failed to read index table\n"); |
0877957a | 955 | goto fail_index; |
956 | } | |
957 | ||
958 | for (i = 0; i < compr_img->index_len + 1; i++) { | |
959 | index = compr_img->index_table[i]; | |
960 | plain = index & 0x80000000; | |
961 | index &= 0x7fffffff; | |
962 | compr_img->index_table[i] = (index << ciso_hdr.align) | plain; | |
963 | } | |
964 | if ((long long)index << ciso_hdr.align >= 0x80000000ll) | |
f29fbd53 | 965 | SysPrintf("warning: ciso img too large, expect problems\n"); |
0877957a | 966 | |
967 | return 0; | |
968 | ||
969 | fail_index: | |
970 | free(compr_img->index_table); | |
971 | compr_img->index_table = NULL; | |
972 | fail_io: | |
973 | if (compr_img != NULL) { | |
974 | free(compr_img); | |
975 | compr_img = NULL; | |
976 | } | |
9a92bffb | 977 | return -1; |
978 | } | |
979 | ||
ef79bbde P |
980 | // this function tries to get the .sub file of the given .img |
981 | static int opensubfile(const char *isoname) { | |
982 | char subname[MAXPATHLEN]; | |
983 | ||
984 | // copy name of the iso and change extension from .img to .sub | |
985 | strncpy(subname, isoname, sizeof(subname)); | |
986 | subname[MAXPATHLEN - 1] = '\0'; | |
987 | if (strlen(subname) >= 4) { | |
988 | strcpy(subname + strlen(subname) - 4, ".sub"); | |
989 | } | |
990 | else { | |
991 | return -1; | |
992 | } | |
993 | ||
994 | subHandle = fopen(subname, "rb"); | |
995 | if (subHandle == NULL) { | |
996 | return -1; | |
997 | } | |
998 | ||
999 | return 0; | |
1000 | } | |
1001 | ||
ae4e7dc9 | 1002 | static int opensbifile(const char *isoname) { |
1003 | char sbiname[MAXPATHLEN]; | |
1004 | int s; | |
1005 | ||
1006 | strncpy(sbiname, isoname, sizeof(sbiname)); | |
1007 | sbiname[MAXPATHLEN - 1] = '\0'; | |
1008 | if (strlen(sbiname) >= 4) { | |
1009 | strcpy(sbiname + strlen(sbiname) - 4, ".sbi"); | |
1010 | } | |
1011 | else { | |
1012 | return -1; | |
1013 | } | |
1014 | ||
1015 | fseek(cdHandle, 0, SEEK_END); | |
1016 | s = ftell(cdHandle) / 2352; | |
1017 | ||
1018 | return LoadSBI(sbiname, s); | |
1019 | } | |
1020 | ||
77160d47 | 1021 | static int cdread_normal(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1022 | { |
77160d47 | 1023 | fseek(f, base + sector * CD_FRAMESIZE_RAW, SEEK_SET); |
81abe4d5 | 1024 | return fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1025 | } |
1026 | ||
77160d47 | 1027 | static int cdread_sub_mixed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1028 | { |
1029 | int ret; | |
1030 | ||
77160d47 | 1031 | fseek(f, base + sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET); |
81abe4d5 | 1032 | ret = fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1033 | fread(subbuffer, 1, SUB_FRAMESIZE, f); |
1034 | ||
1035 | if (subChanRaw) DecodeRawSubData(); | |
1036 | ||
1037 | return ret; | |
1038 | } | |
1039 | ||
1040 | static int uncompress2(void *out, unsigned long *out_size, void *in, unsigned long in_size) | |
1041 | { | |
1042 | static z_stream z; | |
1043 | int ret = 0; | |
1044 | ||
1045 | if (z.zalloc == NULL) { | |
1046 | // XXX: one-time leak here.. | |
1047 | z.next_in = Z_NULL; | |
1048 | z.avail_in = 0; | |
1049 | z.zalloc = Z_NULL; | |
1050 | z.zfree = Z_NULL; | |
1051 | z.opaque = Z_NULL; | |
1052 | ret = inflateInit2(&z, -15); | |
1053 | } | |
1054 | else | |
1055 | ret = inflateReset(&z); | |
1056 | if (ret != Z_OK) | |
1057 | return ret; | |
1058 | ||
1059 | z.next_in = in; | |
1060 | z.avail_in = in_size; | |
1061 | z.next_out = out; | |
1062 | z.avail_out = *out_size; | |
1063 | ||
1064 | ret = inflate(&z, Z_NO_FLUSH); | |
1065 | //inflateEnd(&z); | |
1066 | ||
1067 | *out_size -= z.avail_out; | |
1068 | return ret == 1 ? 0 : ret; | |
1069 | } | |
1070 | ||
77160d47 | 1071 | static int cdread_compressed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1072 | { |
0877957a | 1073 | unsigned long cdbuffer_size, cdbuffer_size_expect; |
9a92bffb | 1074 | unsigned int start_byte, size; |
0877957a | 1075 | int is_compressed; |
9a92bffb | 1076 | int ret, block; |
1077 | ||
77160d47 | 1078 | if (base) |
1079 | sector += base / 2352; | |
1080 | ||
0877957a | 1081 | block = sector >> compr_img->block_shift; |
1082 | compr_img->sector_in_blk = sector & ((1 << compr_img->block_shift) - 1); | |
9a92bffb | 1083 | |
1084 | if (block == compr_img->current_block) { | |
1085 | //printf("hit sect %d\n", sector); | |
1086 | goto finish; | |
1087 | } | |
1088 | ||
1089 | if (sector >= compr_img->index_len * 16) { | |
f29fbd53 | 1090 | SysPrintf("sector %d is past img end\n", sector); |
9a92bffb | 1091 | return -1; |
1092 | } | |
1093 | ||
0877957a | 1094 | start_byte = compr_img->index_table[block] & 0x7fffffff; |
9a92bffb | 1095 | if (fseek(cdHandle, start_byte, SEEK_SET) != 0) { |
f29fbd53 | 1096 | SysPrintf("seek error for block %d at %x: ", |
9a92bffb | 1097 | block, start_byte); |
1098 | perror(NULL); | |
1099 | return -1; | |
1100 | } | |
1101 | ||
0877957a | 1102 | is_compressed = !(compr_img->index_table[block] & 0x80000000); |
1103 | size = (compr_img->index_table[block + 1] & 0x7fffffff) - start_byte; | |
9a92bffb | 1104 | if (size > sizeof(compr_img->buff_compressed)) { |
f29fbd53 | 1105 | SysPrintf("block %d is too large: %u\n", block, size); |
9a92bffb | 1106 | return -1; |
1107 | } | |
1108 | ||
0877957a | 1109 | if (fread(is_compressed ? compr_img->buff_compressed : compr_img->buff_raw[0], |
1110 | 1, size, cdHandle) != size) { | |
f29fbd53 | 1111 | SysPrintf("read error for block %d at %x: ", block, start_byte); |
9a92bffb | 1112 | perror(NULL); |
1113 | return -1; | |
1114 | } | |
1115 | ||
0877957a | 1116 | if (is_compressed) { |
1117 | cdbuffer_size_expect = sizeof(compr_img->buff_raw[0]) << compr_img->block_shift; | |
1118 | cdbuffer_size = cdbuffer_size_expect; | |
1119 | ret = uncompress2(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size); | |
1120 | if (ret != 0) { | |
f29fbd53 | 1121 | SysPrintf("uncompress failed with %d for block %d, sector %d\n", |
0877957a | 1122 | ret, block, sector); |
1123 | return -1; | |
1124 | } | |
1125 | if (cdbuffer_size != cdbuffer_size_expect) | |
f29fbd53 | 1126 | SysPrintf("cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size, |
0877957a | 1127 | cdbuffer_size_expect, sector); |
9a92bffb | 1128 | } |
9a92bffb | 1129 | |
1130 | // done at last! | |
1131 | compr_img->current_block = block; | |
1132 | ||
1133 | finish: | |
1134 | if (dest != cdbuffer) // copy avoid HACK | |
81abe4d5 | 1135 | memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk], |
1136 | CD_FRAMESIZE_RAW); | |
1137 | return CD_FRAMESIZE_RAW; | |
9a92bffb | 1138 | } |
1139 | ||
77160d47 | 1140 | static int cdread_2048(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1141 | { |
1142 | int ret; | |
1143 | ||
77160d47 | 1144 | fseek(f, base + sector * 2048, SEEK_SET); |
81abe4d5 | 1145 | ret = fread((char *)dest + 12 * 2, 1, 2048, f); |
9a92bffb | 1146 | |
1147 | // not really necessary, fake mode 2 header | |
81abe4d5 | 1148 | memset(cdbuffer, 0, 12 * 2); |
1149 | sec2msf(sector + 2 * 75, (char *)&cdbuffer[12]); | |
1150 | cdbuffer[12 + 3] = 1; | |
9a92bffb | 1151 | |
1152 | return ret; | |
1153 | } | |
1154 | ||
1155 | static unsigned char * CALLBACK ISOgetBuffer_compr(void) { | |
1156 | return compr_img->buff_raw[compr_img->sector_in_blk] + 12; | |
1157 | } | |
1158 | ||
1159 | static unsigned char * CALLBACK ISOgetBuffer(void) { | |
81abe4d5 | 1160 | return cdbuffer + 12; |
9a92bffb | 1161 | } |
1162 | ||
ef79bbde P |
1163 | static void PrintTracks(void) { |
1164 | int i; | |
1165 | ||
1166 | for (i = 1; i <= numtracks; i++) { | |
1167 | SysPrintf(_("Track %.2d (%s) - Start %.2d:%.2d:%.2d, Length %.2d:%.2d:%.2d\n"), | |
1168 | i, (ti[i].type == DATA ? "DATA" : "AUDIO"), | |
1169 | ti[i].start[0], ti[i].start[1], ti[i].start[2], | |
1170 | ti[i].length[0], ti[i].length[1], ti[i].length[2]); | |
1171 | } | |
1172 | } | |
1173 | ||
1174 | // This function is invoked by the front-end when opening an ISO | |
1175 | // file for playback | |
1176 | static long CALLBACK ISOopen(void) { | |
9a92bffb | 1177 | boolean isMode1ISO = FALSE; |
1178 | ||
ef79bbde P |
1179 | if (cdHandle != NULL) { |
1180 | return 0; // it's already open | |
1181 | } | |
1182 | ||
1183 | cdHandle = fopen(GetIsoFile(), "rb"); | |
1184 | if (cdHandle == NULL) { | |
1185 | return -1; | |
1186 | } | |
1187 | ||
1188 | SysPrintf(_("Loaded CD Image: %s"), GetIsoFile()); | |
1189 | ||
1190 | cddaBigEndian = FALSE; | |
1191 | subChanMixed = FALSE; | |
1192 | subChanRaw = FALSE; | |
8aa91443 | 1193 | pregapOffset = 0; |
0c2871a7 | 1194 | cdrIsoMultidiskCount = 1; |
ef79bbde | 1195 | |
9a92bffb | 1196 | CDR_getBuffer = ISOgetBuffer; |
1197 | cdimg_read_func = cdread_normal; | |
1198 | ||
ef79bbde P |
1199 | if (parsecue(GetIsoFile()) == 0) { |
1200 | SysPrintf("[+cue]"); | |
1201 | } | |
1202 | else if (parsetoc(GetIsoFile()) == 0) { | |
1203 | SysPrintf("[+toc]"); | |
1204 | } | |
1205 | else if (parseccd(GetIsoFile()) == 0) { | |
1206 | SysPrintf("[+ccd]"); | |
1207 | } | |
1208 | else if (parsemds(GetIsoFile()) == 0) { | |
1209 | SysPrintf("[+mds]"); | |
1210 | } | |
0877957a | 1211 | if (handlepbp(GetIsoFile()) == 0) { |
9a92bffb | 1212 | SysPrintf("[pbp]"); |
1213 | CDR_getBuffer = ISOgetBuffer_compr; | |
1214 | cdimg_read_func = cdread_compressed; | |
1215 | } | |
0877957a | 1216 | else if (handlecbin(GetIsoFile()) == 0) { |
1217 | SysPrintf("[cbin]"); | |
1218 | CDR_getBuffer = ISOgetBuffer_compr; | |
1219 | cdimg_read_func = cdread_compressed; | |
1220 | } | |
ef79bbde P |
1221 | |
1222 | if (!subChanMixed && opensubfile(GetIsoFile()) == 0) { | |
1223 | SysPrintf("[+sub]"); | |
1224 | } | |
ae4e7dc9 | 1225 | if (opensbifile(GetIsoFile()) == 0) { |
1226 | SysPrintf("[+sbi]"); | |
1227 | } | |
ef79bbde | 1228 | |
9a92bffb | 1229 | // guess whether it is mode1/2048 |
1230 | fseek(cdHandle, 0, SEEK_END); | |
1231 | if (ftell(cdHandle) % 2048 == 0) { | |
1232 | unsigned int modeTest = 0; | |
1233 | fseek(cdHandle, 0, SEEK_SET); | |
1234 | fread(&modeTest, 4, 1, cdHandle); | |
1235 | if (SWAP32(modeTest) != 0xffffff00) { | |
1236 | SysPrintf("[2048]"); | |
1237 | isMode1ISO = TRUE; | |
1238 | } | |
1239 | } | |
1240 | fseek(cdHandle, 0, SEEK_SET); | |
1241 | ||
ef79bbde P |
1242 | SysPrintf(".\n"); |
1243 | ||
1244 | PrintTracks(); | |
1245 | ||
9a92bffb | 1246 | if (subChanMixed) |
1247 | cdimg_read_func = cdread_sub_mixed; | |
1248 | else if (isMode1ISO) | |
1249 | cdimg_read_func = cdread_2048; | |
1250 | ||
38b8102c | 1251 | // make sure we have another handle open for cdda |
1252 | if (numtracks > 1 && ti[1].handle == NULL) { | |
1253 | ti[1].handle = fopen(GetIsoFile(), "rb"); | |
1254 | } | |
77160d47 | 1255 | cdda_cur_sector = 0; |
1256 | cdda_file_offset = 0; | |
38b8102c | 1257 | |
ef79bbde P |
1258 | return 0; |
1259 | } | |
1260 | ||
1261 | static long CALLBACK ISOclose(void) { | |
38b8102c | 1262 | int i; |
1263 | ||
ef79bbde P |
1264 | if (cdHandle != NULL) { |
1265 | fclose(cdHandle); | |
1266 | cdHandle = NULL; | |
1267 | } | |
1268 | if (subHandle != NULL) { | |
1269 | fclose(subHandle); | |
1270 | subHandle = NULL; | |
1271 | } | |
1272 | stopCDDA(); | |
38b8102c | 1273 | cddaHandle = NULL; |
1274 | ||
9a92bffb | 1275 | if (compr_img != NULL) { |
1276 | free(compr_img->index_table); | |
1277 | free(compr_img); | |
1278 | compr_img = NULL; | |
1279 | } | |
1280 | ||
38b8102c | 1281 | for (i = 1; i <= numtracks; i++) { |
1282 | if (ti[i].handle != NULL) { | |
1283 | fclose(ti[i].handle); | |
1284 | ti[i].handle = NULL; | |
1285 | } | |
1286 | } | |
1287 | numtracks = 0; | |
ae4e7dc9 | 1288 | UnloadSBI(); |
38b8102c | 1289 | |
1290 | return 0; | |
1291 | } | |
1292 | ||
1293 | static long CALLBACK ISOinit(void) { | |
1294 | assert(cdHandle == NULL); | |
1295 | assert(subHandle == NULL); | |
1296 | ||
1297 | return 0; // do nothing | |
1298 | } | |
1299 | ||
1300 | static long CALLBACK ISOshutdown(void) { | |
1301 | ISOclose(); | |
ef79bbde P |
1302 | return 0; |
1303 | } | |
1304 | ||
1305 | // return Starting and Ending Track | |
1306 | // buffer: | |
1307 | // byte 0 - start track | |
1308 | // byte 1 - end track | |
1309 | static long CALLBACK ISOgetTN(unsigned char *buffer) { | |
1310 | buffer[0] = 1; | |
1311 | ||
1312 | if (numtracks > 0) { | |
1313 | buffer[1] = numtracks; | |
1314 | } | |
1315 | else { | |
1316 | buffer[1] = 1; | |
1317 | } | |
1318 | ||
1319 | return 0; | |
1320 | } | |
1321 | ||
1322 | // return Track Time | |
1323 | // buffer: | |
1324 | // byte 0 - frame | |
1325 | // byte 1 - second | |
1326 | // byte 2 - minute | |
1327 | static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) { | |
858ad511 | 1328 | if (track == 0) { |
1329 | // CD length according pcsxr-svn (done a bit different here) | |
1330 | unsigned int sect; | |
1331 | unsigned char time[3]; | |
1332 | sect = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length); | |
ab948f7e | 1333 | sec2msf(sect, (char *)time); |
858ad511 | 1334 | buffer[2] = time[0]; |
1335 | buffer[1] = time[1]; | |
1336 | buffer[0] = time[2]; | |
1337 | } | |
1338 | else if (numtracks > 0 && track <= numtracks) { | |
ef79bbde P |
1339 | buffer[2] = ti[track].start[0]; |
1340 | buffer[1] = ti[track].start[1]; | |
1341 | buffer[0] = ti[track].start[2]; | |
1342 | } | |
1343 | else { | |
1344 | buffer[2] = 0; | |
1345 | buffer[1] = 2; | |
1346 | buffer[0] = 0; | |
1347 | } | |
1348 | ||
1349 | return 0; | |
1350 | } | |
1351 | ||
1352 | // decode 'raw' subchannel data ripped by cdrdao | |
1353 | static void DecodeRawSubData(void) { | |
1354 | unsigned char subQData[12]; | |
1355 | int i; | |
1356 | ||
1357 | memset(subQData, 0, sizeof(subQData)); | |
1358 | ||
1359 | for (i = 0; i < 8 * 12; i++) { | |
1360 | if (subbuffer[i] & (1 << 6)) { // only subchannel Q is needed | |
1361 | subQData[i >> 3] |= (1 << (7 - (i & 7))); | |
1362 | } | |
1363 | } | |
1364 | ||
1365 | memcpy(&subbuffer[12], subQData, 12); | |
1366 | } | |
1367 | ||
1368 | // read track | |
1369 | // time: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1370 | // uses bcd format | |
1371 | static long CALLBACK ISOreadTrack(unsigned char *time) { | |
19c03d80 | 1372 | int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])); |
1373 | ||
ef79bbde P |
1374 | if (cdHandle == NULL) { |
1375 | return -1; | |
1376 | } | |
1377 | ||
8aa91443 | 1378 | if (pregapOffset) { |
1379 | subChanMissing = FALSE; | |
1380 | if (sector >= pregapOffset) { | |
1381 | sector -= 2 * 75; | |
1382 | if (sector < pregapOffset) | |
1383 | subChanMissing = TRUE; | |
1384 | } | |
1385 | } | |
1386 | ||
77160d47 | 1387 | cdimg_read_func(cdHandle, 0, cdbuffer, sector); |
ef79bbde | 1388 | |
9a92bffb | 1389 | if (subHandle != NULL) { |
1390 | fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET); | |
1391 | fread(subbuffer, 1, SUB_FRAMESIZE, subHandle); | |
ef79bbde | 1392 | |
9a92bffb | 1393 | if (subChanRaw) DecodeRawSubData(); |
ef79bbde P |
1394 | } |
1395 | ||
1396 | return 0; | |
1397 | } | |
1398 | ||
ef79bbde P |
1399 | // plays cdda audio |
1400 | // sector: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1401 | // does NOT uses bcd format | |
1402 | static long CALLBACK ISOplay(unsigned char *time) { | |
77160d47 | 1403 | unsigned int i; |
38b8102c | 1404 | |
7b8da7ab | 1405 | if (numtracks <= 1) |
1406 | return 0; | |
1407 | ||
38b8102c | 1408 | // find the track |
77160d47 | 1409 | cdda_cur_sector = msf2sec((char *)time); |
2058d51f | 1410 | for (i = numtracks; i > 1; i--) { |
77160d47 | 1411 | cdda_first_sector = msf2sec(ti[i].start); |
1412 | if (cdda_first_sector <= cdda_cur_sector + 2 * 75) | |
38b8102c | 1413 | break; |
2058d51f | 1414 | } |
77160d47 | 1415 | cdda_file_offset = ti[i].start_offset; |
19c03d80 | 1416 | |
38b8102c | 1417 | // find the file that contains this track |
1418 | for (; i > 1; i--) | |
1419 | if (ti[i].handle != NULL) | |
1420 | break; | |
1421 | ||
2058d51f | 1422 | cddaHandle = ti[i].handle; |
8aa91443 | 1423 | |
77160d47 | 1424 | if (SPU_playCDDAchannel != NULL) |
1425 | startCDDA(); | |
1426 | ||
ef79bbde P |
1427 | return 0; |
1428 | } | |
1429 | ||
1430 | // stops cdda audio | |
1431 | static long CALLBACK ISOstop(void) { | |
1432 | stopCDDA(); | |
1433 | return 0; | |
1434 | } | |
1435 | ||
1436 | // gets subchannel data | |
1437 | static unsigned char* CALLBACK ISOgetBufferSub(void) { | |
8aa91443 | 1438 | if ((subHandle != NULL || subChanMixed) && !subChanMissing) { |
ef79bbde P |
1439 | return subbuffer; |
1440 | } | |
1441 | ||
1442 | return NULL; | |
1443 | } | |
1444 | ||
1445 | static long CALLBACK ISOgetStatus(struct CdrStat *stat) { | |
1446 | int sec; | |
1447 | ||
1448 | CDR__getStatus(stat); | |
1449 | ||
1450 | if (playing) { | |
1451 | stat->Type = 0x02; | |
1452 | stat->Status |= 0x80; | |
ef79bbde P |
1453 | } |
1454 | else { | |
1455 | stat->Type = 0x01; | |
1456 | } | |
1457 | ||
77160d47 | 1458 | sec = cdda_cur_sector; |
858ad511 | 1459 | sec2msf(sec, (char *)stat->Time); |
1460 | ||
ef79bbde P |
1461 | return 0; |
1462 | } | |
1463 | ||
1464 | void cdrIsoInit(void) { | |
1465 | CDR_init = ISOinit; | |
1466 | CDR_shutdown = ISOshutdown; | |
1467 | CDR_open = ISOopen; | |
1468 | CDR_close = ISOclose; | |
1469 | CDR_getTN = ISOgetTN; | |
1470 | CDR_getTD = ISOgetTD; | |
1471 | CDR_readTrack = ISOreadTrack; | |
1472 | CDR_getBuffer = ISOgetBuffer; | |
1473 | CDR_play = ISOplay; | |
1474 | CDR_stop = ISOstop; | |
1475 | CDR_getBufferSub = ISOgetBufferSub; | |
1476 | CDR_getStatus = ISOgetStatus; | |
1477 | ||
1478 | CDR_getDriveLetter = CDR__getDriveLetter; | |
1479 | CDR_configure = CDR__configure; | |
1480 | CDR_test = CDR__test; | |
1481 | CDR_about = CDR__about; | |
1482 | CDR_setfilename = CDR__setfilename; | |
1483 | ||
1484 | numtracks = 0; | |
1485 | } | |
1486 | ||
1487 | int cdrIsoActive(void) { | |
1488 | return (cdHandle != NULL); | |
1489 | } |