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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., * | |
deebc67f | 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * |
ef79bbde P |
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 | |
003cfc63 | 29 | #define WIN32_LEAN_AND_MEAN |
ef79bbde P |
30 | #include <process.h> |
31 | #include <windows.h> | |
deebc67f | 32 | #define strcasecmp _stricmp |
003cfc63 | 33 | #define usleep(x) Sleep((x) / 1000) |
ef79bbde P |
34 | #else |
35 | #include <pthread.h> | |
36 | #include <sys/time.h> | |
349f7d81 | 37 | #include <unistd.h> |
ef79bbde | 38 | #endif |
2e058581 | 39 | #include <errno.h> |
9a92bffb | 40 | #include <zlib.h> |
ef79bbde | 41 | |
00f0670c | 42 | #ifdef HAVE_CHD |
43 | #include "chd.h" | |
44 | #endif | |
45 | ||
cc376814 | 46 | #define OFF_T_MSB ((off_t)1 << (sizeof(off_t) * 8 - 1)) |
47 | ||
0c2871a7 | 48 | unsigned int cdrIsoMultidiskCount; |
49 | unsigned int cdrIsoMultidiskSelect; | |
50 | ||
ef79bbde P |
51 | static FILE *cdHandle = NULL; |
52 | static FILE *cddaHandle = NULL; | |
53 | static FILE *subHandle = NULL; | |
54 | ||
55 | static boolean subChanMixed = FALSE; | |
56 | static boolean subChanRaw = FALSE; | |
8aa91443 | 57 | static boolean subChanMissing = FALSE; |
ef79bbde | 58 | |
deebc67f | 59 | static boolean multifile = FALSE; |
60 | ||
81abe4d5 | 61 | static unsigned char cdbuffer[CD_FRAMESIZE_RAW]; |
ef79bbde P |
62 | static unsigned char subbuffer[SUB_FRAMESIZE]; |
63 | ||
64 | static unsigned char sndbuffer[CD_FRAMESIZE_RAW * 10]; | |
65 | ||
66 | #define CDDA_FRAMETIME (1000 * (sizeof(sndbuffer) / CD_FRAMESIZE_RAW) / 75) | |
67 | ||
68 | #ifdef _WIN32 | |
69 | static HANDLE threadid; | |
70 | #else | |
71 | static pthread_t threadid; | |
72 | #endif | |
73 | static unsigned int initial_offset = 0; | |
38b8102c | 74 | static boolean playing = FALSE; |
ef79bbde | 75 | static boolean cddaBigEndian = FALSE; |
77160d47 | 76 | // cdda sectors in toc, byte offset in file |
9a92bffb | 77 | static unsigned int cdda_cur_sector; |
2058d51f | 78 | static unsigned int cdda_first_sector; |
77160d47 | 79 | static unsigned int cdda_file_offset; |
8aa91443 | 80 | /* Frame offset into CD image where pregap data would be found if it was there. |
81 | * If a game seeks there we must *not* return subchannel data since it's | |
82 | * not in the CD image, so that cdrom code can fake subchannel data instead. | |
83 | * XXX: there could be multiple pregaps but PSX dumps only have one? */ | |
84 | static unsigned int pregapOffset; | |
ef79bbde | 85 | |
deebc67f | 86 | #define cddaCurPos cdda_cur_sector |
87 | ||
9a92bffb | 88 | // compressed image stuff |
89 | static struct { | |
90 | unsigned char buff_raw[16][CD_FRAMESIZE_RAW]; | |
91 | unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100]; | |
cc376814 | 92 | off_t *index_table; |
9a92bffb | 93 | unsigned int index_len; |
0877957a | 94 | unsigned int block_shift; |
9a92bffb | 95 | unsigned int current_block; |
96 | unsigned int sector_in_blk; | |
97 | } *compr_img; | |
98 | ||
00f0670c | 99 | #ifdef HAVE_CHD |
100 | typedef struct { | |
101 | unsigned char (*buffer)[CD_FRAMESIZE_RAW + SUB_FRAMESIZE]; | |
102 | chd_file* chd; | |
103 | const chd_header* header; | |
104 | unsigned int sectors_per_hunk; | |
105 | unsigned int current_hunk; | |
106 | unsigned int sector_in_hunk; | |
107 | } CHD_IMG; | |
108 | ||
109 | static CHD_IMG *chd_img; | |
110 | #endif | |
111 | ||
77160d47 | 112 | int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector); |
9a92bffb | 113 | |
ef79bbde P |
114 | char* CALLBACK CDR__getDriveLetter(void); |
115 | long CALLBACK CDR__configure(void); | |
116 | long CALLBACK CDR__test(void); | |
117 | void CALLBACK CDR__about(void); | |
118 | long CALLBACK CDR__setfilename(char *filename); | |
119 | long CALLBACK CDR__getStatus(struct CdrStat *stat); | |
120 | ||
19c03d80 | 121 | static void DecodeRawSubData(void); |
122 | ||
ef79bbde | 123 | struct trackinfo { |
deebc67f | 124 | enum {DATA=1, CDDA} type; |
ef79bbde P |
125 | char start[3]; // MSF-format |
126 | char length[3]; // MSF-format | |
38b8102c | 127 | FILE *handle; // for multi-track images CDDA |
77160d47 | 128 | unsigned int start_offset; // byte offset from start of above file |
ef79bbde P |
129 | }; |
130 | ||
131 | #define MAXTRACKS 100 /* How many tracks can a CD hold? */ | |
132 | ||
133 | static int numtracks = 0; | |
134 | static struct trackinfo ti[MAXTRACKS]; | |
135 | ||
136 | // get a sector from a msf-array | |
137 | static unsigned int msf2sec(char *msf) { | |
138 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; | |
139 | } | |
140 | ||
141 | static void sec2msf(unsigned int s, char *msf) { | |
142 | msf[0] = s / 75 / 60; | |
143 | s = s - msf[0] * 75 * 60; | |
144 | msf[1] = s / 75; | |
145 | s = s - msf[1] * 75; | |
146 | msf[2] = s; | |
147 | } | |
148 | ||
149 | // divide a string of xx:yy:zz into m, s, f | |
150 | static void tok2msf(char *time, char *msf) { | |
151 | char *token; | |
152 | ||
153 | token = strtok(time, ":"); | |
154 | if (token) { | |
155 | msf[0] = atoi(token); | |
156 | } | |
157 | else { | |
158 | msf[0] = 0; | |
159 | } | |
160 | ||
161 | token = strtok(NULL, ":"); | |
162 | if (token) { | |
163 | msf[1] = atoi(token); | |
164 | } | |
165 | else { | |
166 | msf[1] = 0; | |
167 | } | |
168 | ||
169 | token = strtok(NULL, ":"); | |
170 | if (token) { | |
171 | msf[2] = atoi(token); | |
172 | } | |
173 | else { | |
174 | msf[2] = 0; | |
175 | } | |
176 | } | |
177 | ||
178 | #ifndef _WIN32 | |
179 | static long GetTickCount(void) { | |
180 | static time_t initial_time = 0; | |
181 | struct timeval now; | |
182 | ||
183 | gettimeofday(&now, NULL); | |
184 | ||
185 | if (initial_time == 0) { | |
186 | initial_time = now.tv_sec; | |
187 | } | |
188 | ||
189 | return (now.tv_sec - initial_time) * 1000L + now.tv_usec / 1000L; | |
190 | } | |
191 | #endif | |
192 | ||
193 | // this thread plays audio data | |
194 | #ifdef _WIN32 | |
195 | static void playthread(void *param) | |
196 | #else | |
197 | static void *playthread(void *param) | |
198 | #endif | |
199 | { | |
983a7cfd | 200 | long osleep, d, t, i, s; |
ef79bbde | 201 | unsigned char tmp; |
77160d47 | 202 | int ret = 0, sector_offs; |
ef79bbde P |
203 | |
204 | t = GetTickCount(); | |
205 | ||
206 | while (playing) { | |
9a92bffb | 207 | s = 0; |
208 | for (i = 0; i < sizeof(sndbuffer) / CD_FRAMESIZE_RAW; i++) { | |
77160d47 | 209 | sector_offs = cdda_cur_sector - cdda_first_sector; |
210 | if (sector_offs < 0) { | |
211 | d = CD_FRAMESIZE_RAW; | |
212 | memset(sndbuffer + s, 0, d); | |
213 | } | |
214 | else { | |
215 | d = cdimg_read_func(cddaHandle, cdda_file_offset, | |
216 | sndbuffer + s, sector_offs); | |
217 | if (d < CD_FRAMESIZE_RAW) | |
218 | break; | |
219 | } | |
2058d51f | 220 | |
9a92bffb | 221 | s += d; |
222 | cdda_cur_sector++; | |
ef79bbde | 223 | } |
19c03d80 | 224 | |
ef79bbde P |
225 | if (s == 0) { |
226 | playing = FALSE; | |
ef79bbde P |
227 | initial_offset = 0; |
228 | break; | |
229 | } | |
230 | ||
231 | if (!cdr.Muted && playing) { | |
232 | if (cddaBigEndian) { | |
233 | for (i = 0; i < s / 2; i++) { | |
234 | tmp = sndbuffer[i * 2]; | |
235 | sndbuffer[i * 2] = sndbuffer[i * 2 + 1]; | |
236 | sndbuffer[i * 2 + 1] = tmp; | |
237 | } | |
238 | } | |
239 | ||
53598a71 | 240 | // can't do it yet due to readahead.. |
241 | //cdrAttenuate((short *)sndbuffer, s / 4, 1); | |
983a7cfd | 242 | do { |
243 | ret = SPU_playCDDAchannel((short *)sndbuffer, s); | |
244 | if (ret == 0x7761) | |
245 | usleep(6 * 1000); | |
246 | } while (ret == 0x7761 && playing); // rearmed_wait | |
ef79bbde | 247 | } |
983a7cfd | 248 | |
249 | if (ret != 0x676f) { // !rearmed_go | |
250 | // do approx sleep | |
251 | long now; | |
252 | ||
253 | // HACK: stop feeding data while emu is paused | |
254 | extern int stop; | |
255 | while (stop && playing) | |
256 | usleep(10000); | |
257 | ||
258 | now = GetTickCount(); | |
259 | osleep = t - now; | |
260 | if (osleep <= 0) { | |
261 | osleep = 1; | |
262 | t = now; | |
263 | } | |
264 | else if (osleep > CDDA_FRAMETIME) { | |
265 | osleep = CDDA_FRAMETIME; | |
266 | t = now; | |
267 | } | |
268 | ||
269 | usleep(osleep * 1000); | |
270 | t += CDDA_FRAMETIME; | |
271 | } | |
272 | ||
ef79bbde P |
273 | } |
274 | ||
275 | #ifdef _WIN32 | |
276 | _endthread(); | |
277 | #else | |
278 | pthread_exit(0); | |
279 | return NULL; | |
280 | #endif | |
281 | } | |
282 | ||
283 | // stop the CDDA playback | |
284 | static void stopCDDA() { | |
285 | if (!playing) { | |
286 | return; | |
287 | } | |
288 | ||
289 | playing = FALSE; | |
290 | #ifdef _WIN32 | |
291 | WaitForSingleObject(threadid, INFINITE); | |
292 | #else | |
293 | pthread_join(threadid, NULL); | |
294 | #endif | |
ef79bbde P |
295 | } |
296 | ||
297 | // start the CDDA playback | |
77160d47 | 298 | static void startCDDA(void) { |
ef79bbde | 299 | if (playing) { |
ef79bbde P |
300 | stopCDDA(); |
301 | } | |
302 | ||
ef79bbde P |
303 | playing = TRUE; |
304 | ||
305 | #ifdef _WIN32 | |
306 | threadid = (HANDLE)_beginthread(playthread, 0, NULL); | |
307 | #else | |
308 | pthread_create(&threadid, NULL, playthread, NULL); | |
309 | #endif | |
310 | } | |
311 | ||
312 | // this function tries to get the .toc file of the given .bin | |
313 | // the necessary data is put into the ti (trackinformation)-array | |
314 | static int parsetoc(const char *isofile) { | |
315 | char tocname[MAXPATHLEN]; | |
316 | FILE *fi; | |
e999be41 | 317 | char linebuf[256], tmp[256], name[256]; |
ef79bbde P |
318 | char *token; |
319 | char time[20], time2[20]; | |
e999be41 | 320 | unsigned int t, sector_offs, sector_size; |
321 | unsigned int current_zero_gap = 0; | |
ef79bbde P |
322 | |
323 | numtracks = 0; | |
324 | ||
325 | // copy name of the iso and change extension from .bin to .toc | |
326 | strncpy(tocname, isofile, sizeof(tocname)); | |
327 | tocname[MAXPATHLEN - 1] = '\0'; | |
328 | if (strlen(tocname) >= 4) { | |
329 | strcpy(tocname + strlen(tocname) - 4, ".toc"); | |
330 | } | |
331 | else { | |
332 | return -1; | |
333 | } | |
334 | ||
335 | if ((fi = fopen(tocname, "r")) == NULL) { | |
336 | // try changing extension to .cue (to satisfy some stupid tutorials) | |
337 | strcpy(tocname + strlen(tocname) - 4, ".cue"); | |
338 | if ((fi = fopen(tocname, "r")) == NULL) { | |
339 | // if filename is image.toc.bin, try removing .bin (for Brasero) | |
340 | strcpy(tocname, isofile); | |
341 | t = strlen(tocname); | |
342 | if (t >= 8 && strcmp(tocname + t - 8, ".toc.bin") == 0) { | |
343 | tocname[t - 4] = '\0'; | |
344 | if ((fi = fopen(tocname, "r")) == NULL) { | |
345 | return -1; | |
346 | } | |
347 | } | |
348 | else { | |
349 | return -1; | |
350 | } | |
351 | } | |
92f43ab0 | 352 | // check if it's really a TOC named as a .cue |
353 | fgets(linebuf, sizeof(linebuf), fi); | |
4295c491 | 354 | token = strtok(linebuf, " "); |
355 | if (token && strncmp(token, "CD", 2) != 0 && strcmp(token, "CATALOG") != 0) { | |
92f43ab0 | 356 | fclose(fi); |
357 | return -1; | |
358 | } | |
359 | fseek(fi, 0, SEEK_SET); | |
ef79bbde P |
360 | } |
361 | ||
362 | memset(&ti, 0, sizeof(ti)); | |
363 | cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio | |
364 | ||
e999be41 | 365 | sector_size = CD_FRAMESIZE_RAW; |
19c03d80 | 366 | sector_offs = 2 * 75; |
367 | ||
ef79bbde P |
368 | // parse the .toc file |
369 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
370 | // search for tracks | |
e999be41 | 371 | strncpy(tmp, linebuf, sizeof(linebuf)); |
372 | token = strtok(tmp, " "); | |
ef79bbde P |
373 | |
374 | if (token == NULL) continue; | |
375 | ||
376 | if (!strcmp(token, "TRACK")) { | |
e999be41 | 377 | sector_offs += current_zero_gap; |
378 | current_zero_gap = 0; | |
379 | ||
ef79bbde P |
380 | // get type of track |
381 | token = strtok(NULL, " "); | |
382 | numtracks++; | |
383 | ||
384 | if (!strncmp(token, "MODE2_RAW", 9)) { | |
385 | ti[numtracks].type = DATA; | |
386 | sec2msf(2 * 75, ti[numtracks].start); // assume data track on 0:2:0 | |
387 | ||
388 | // check if this image contains mixed subchannel data | |
389 | token = strtok(NULL, " "); | |
e999be41 | 390 | if (token != NULL && !strncmp(token, "RW", 2)) { |
391 | sector_size = CD_FRAMESIZE_RAW + SUB_FRAMESIZE; | |
ef79bbde | 392 | subChanMixed = TRUE; |
e999be41 | 393 | if (!strncmp(token, "RW_RAW", 6)) |
394 | subChanRaw = TRUE; | |
ef79bbde P |
395 | } |
396 | } | |
397 | else if (!strncmp(token, "AUDIO", 5)) { | |
398 | ti[numtracks].type = CDDA; | |
399 | } | |
400 | } | |
401 | else if (!strcmp(token, "DATAFILE")) { | |
402 | if (ti[numtracks].type == CDDA) { | |
403 | sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2); | |
19c03d80 | 404 | ti[numtracks].start_offset = t; |
e999be41 | 405 | t = t / sector_size + sector_offs; |
ef79bbde P |
406 | sec2msf(t, (char *)&ti[numtracks].start); |
407 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
408 | } | |
409 | else { | |
410 | sscanf(linebuf, "DATAFILE \"%[^\"]\" %8s", name, time); | |
411 | tok2msf((char *)&time, (char *)&ti[numtracks].length); | |
412 | } | |
413 | } | |
414 | else if (!strcmp(token, "FILE")) { | |
415 | sscanf(linebuf, "FILE \"%[^\"]\" #%d %8s %8s", name, &t, time, time2); | |
416 | tok2msf((char *)&time, (char *)&ti[numtracks].start); | |
e999be41 | 417 | t += msf2sec(ti[numtracks].start) * sector_size; |
19c03d80 | 418 | ti[numtracks].start_offset = t; |
e999be41 | 419 | t = t / sector_size + sector_offs; |
ef79bbde P |
420 | sec2msf(t, (char *)&ti[numtracks].start); |
421 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
422 | } | |
e999be41 | 423 | else if (!strcmp(token, "ZERO") || !strcmp(token, "SILENCE")) { |
424 | // skip unneeded optional fields | |
425 | while (token != NULL) { | |
426 | token = strtok(NULL, " "); | |
427 | if (strchr(token, ':') != NULL) | |
428 | break; | |
429 | } | |
430 | if (token != NULL) { | |
431 | tok2msf(token, tmp); | |
432 | current_zero_gap = msf2sec(tmp); | |
433 | } | |
8aa91443 | 434 | if (numtracks > 1) { |
435 | t = ti[numtracks - 1].start_offset; | |
e999be41 | 436 | t /= sector_size; |
8aa91443 | 437 | pregapOffset = t + msf2sec(ti[numtracks - 1].length); |
438 | } | |
19c03d80 | 439 | } |
e999be41 | 440 | else if (!strcmp(token, "START")) { |
441 | token = strtok(NULL, " "); | |
442 | if (token != NULL && strchr(token, ':')) { | |
443 | tok2msf(token, tmp); | |
444 | t = msf2sec(tmp); | |
445 | ti[numtracks].start_offset += (t - current_zero_gap) * sector_size; | |
446 | t = msf2sec(ti[numtracks].start) + t; | |
447 | sec2msf(t, (char *)&ti[numtracks].start); | |
448 | } | |
449 | } | |
ef79bbde P |
450 | } |
451 | ||
452 | fclose(fi); | |
453 | ||
454 | return 0; | |
455 | } | |
456 | ||
457 | // this function tries to get the .cue file of the given .bin | |
458 | // the necessary data is put into the ti (trackinformation)-array | |
459 | static int parsecue(const char *isofile) { | |
460 | char cuename[MAXPATHLEN]; | |
38b8102c | 461 | char filepath[MAXPATHLEN]; |
462 | char *incue_fname; | |
ef79bbde P |
463 | FILE *fi; |
464 | char *token; | |
465 | char time[20]; | |
466 | char *tmp; | |
19c03d80 | 467 | char linebuf[256], tmpb[256], dummy[256]; |
38b8102c | 468 | unsigned int incue_max_len; |
77160d47 | 469 | unsigned int t, file_len, mode, sector_offs; |
470 | unsigned int sector_size = 2352; | |
ef79bbde P |
471 | |
472 | numtracks = 0; | |
473 | ||
474 | // copy name of the iso and change extension from .bin to .cue | |
475 | strncpy(cuename, isofile, sizeof(cuename)); | |
476 | cuename[MAXPATHLEN - 1] = '\0'; | |
477 | if (strlen(cuename) >= 4) { | |
478 | strcpy(cuename + strlen(cuename) - 4, ".cue"); | |
479 | } | |
480 | else { | |
481 | return -1; | |
482 | } | |
483 | ||
484 | if ((fi = fopen(cuename, "r")) == NULL) { | |
485 | return -1; | |
486 | } | |
487 | ||
488 | // Some stupid tutorials wrongly tell users to use cdrdao to rip a | |
489 | // "bin/cue" image, which is in fact a "bin/toc" image. So let's check | |
490 | // that... | |
491 | if (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
492 | if (!strncmp(linebuf, "CD_ROM_XA", 9)) { | |
493 | // Don't proceed further, as this is actually a .toc file rather | |
494 | // than a .cue file. | |
495 | fclose(fi); | |
496 | return parsetoc(isofile); | |
497 | } | |
498 | fseek(fi, 0, SEEK_SET); | |
499 | } | |
500 | ||
38b8102c | 501 | // build a path for files referenced in .cue |
502 | strncpy(filepath, cuename, sizeof(filepath)); | |
22bbabf6 | 503 | tmp = strrchr(filepath, '/'); |
38b8102c | 504 | if (tmp == NULL) |
22bbabf6 | 505 | tmp = strrchr(filepath, '\\'); |
506 | if (tmp != NULL) | |
507 | tmp++; | |
508 | else | |
38b8102c | 509 | tmp = filepath; |
510 | *tmp = 0; | |
511 | filepath[sizeof(filepath) - 1] = 0; | |
512 | incue_fname = tmp; | |
513 | incue_max_len = sizeof(filepath) - (tmp - filepath) - 1; | |
514 | ||
ef79bbde P |
515 | memset(&ti, 0, sizeof(ti)); |
516 | ||
19c03d80 | 517 | file_len = 0; |
518 | sector_offs = 2 * 75; | |
519 | ||
ef79bbde P |
520 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { |
521 | strncpy(dummy, linebuf, sizeof(linebuf)); | |
522 | token = strtok(dummy, " "); | |
523 | ||
524 | if (token == NULL) { | |
525 | continue; | |
526 | } | |
527 | ||
19c03d80 | 528 | if (!strcmp(token, "TRACK")) { |
ef79bbde P |
529 | numtracks++; |
530 | ||
77160d47 | 531 | sector_size = 0; |
ef79bbde P |
532 | if (strstr(linebuf, "AUDIO") != NULL) { |
533 | ti[numtracks].type = CDDA; | |
77160d47 | 534 | sector_size = 2352; |
ef79bbde | 535 | } |
77160d47 | 536 | else if (sscanf(linebuf, " TRACK %u MODE%u/%u", &t, &mode, §or_size) == 3) |
ef79bbde | 537 | ti[numtracks].type = DATA; |
77160d47 | 538 | else { |
539 | SysPrintf(".cue: failed to parse TRACK\n"); | |
540 | ti[numtracks].type = numtracks == 1 ? DATA : CDDA; | |
ef79bbde | 541 | } |
77160d47 | 542 | if (sector_size == 0) |
543 | sector_size = 2352; | |
ef79bbde P |
544 | } |
545 | else if (!strcmp(token, "INDEX")) { | |
77160d47 | 546 | if (sscanf(linebuf, " INDEX %02d %8s", &t, time) != 2) |
547 | SysPrintf(".cue: failed to parse INDEX\n"); | |
19c03d80 | 548 | tok2msf(time, (char *)&ti[numtracks].start); |
ef79bbde | 549 | |
19c03d80 | 550 | t = msf2sec(ti[numtracks].start); |
77160d47 | 551 | ti[numtracks].start_offset = t * sector_size; |
19c03d80 | 552 | t += sector_offs; |
ef79bbde | 553 | sec2msf(t, ti[numtracks].start); |
19c03d80 | 554 | |
555 | // default track length to file length | |
77160d47 | 556 | t = file_len - ti[numtracks].start_offset / sector_size; |
19c03d80 | 557 | sec2msf(t, ti[numtracks].length); |
558 | ||
559 | if (numtracks > 1 && ti[numtracks].handle == NULL) { | |
560 | // this track uses the same file as the last, | |
561 | // start of this track is last track's end | |
562 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
563 | sec2msf(t, ti[numtracks - 1].length); | |
38b8102c | 564 | } |
8aa91443 | 565 | if (numtracks > 1 && pregapOffset == -1) |
77160d47 | 566 | pregapOffset = ti[numtracks].start_offset / sector_size; |
19c03d80 | 567 | } |
568 | else if (!strcmp(token, "PREGAP")) { | |
569 | if (sscanf(linebuf, " PREGAP %8s", time) == 1) { | |
570 | tok2msf(time, dummy); | |
571 | sector_offs += msf2sec(dummy); | |
38b8102c | 572 | } |
8aa91443 | 573 | pregapOffset = -1; // mark to fill track start_offset |
19c03d80 | 574 | } |
575 | else if (!strcmp(token, "FILE")) { | |
9a9bcd78 | 576 | t = sscanf(linebuf, " FILE \"%255[^\"]\"", tmpb); |
385c023b | 577 | if (t != 1) |
9a9bcd78 | 578 | sscanf(linebuf, " FILE %255s", tmpb); |
19c03d80 | 579 | |
580 | // absolute path? | |
581 | ti[numtracks + 1].handle = fopen(tmpb, "rb"); | |
582 | if (ti[numtracks + 1].handle == NULL) { | |
583 | // relative to .cue? | |
584 | tmp = strrchr(tmpb, '\\'); | |
585 | if (tmp == NULL) | |
586 | tmp = strrchr(tmpb, '/'); | |
38b8102c | 587 | if (tmp != NULL) |
19c03d80 | 588 | tmp++; |
589 | else | |
590 | tmp = tmpb; | |
591 | strncpy(incue_fname, tmp, incue_max_len); | |
592 | ti[numtracks + 1].handle = fopen(filepath, "rb"); | |
38b8102c | 593 | } |
ef79bbde | 594 | |
19c03d80 | 595 | // update global offset if this is not first file in this .cue |
deebc67f | 596 | if (numtracks + 1 > 1) { |
597 | multifile = 1; | |
19c03d80 | 598 | sector_offs += file_len; |
deebc67f | 599 | } |
19c03d80 | 600 | |
601 | file_len = 0; | |
38b8102c | 602 | if (ti[numtracks + 1].handle == NULL) { |
19c03d80 | 603 | SysPrintf(_("\ncould not open: %s\n"), filepath); |
604 | continue; | |
38b8102c | 605 | } |
19c03d80 | 606 | fseek(ti[numtracks + 1].handle, 0, SEEK_END); |
607 | file_len = ftell(ti[numtracks + 1].handle) / 2352; | |
608 | ||
609 | if (numtracks == 0 && strlen(isofile) >= 4 && | |
610 | strcmp(isofile + strlen(isofile) - 4, ".cue") == 0) | |
611 | { | |
38b8102c | 612 | // user selected .cue as image file, use it's data track instead |
613 | fclose(cdHandle); | |
614 | cdHandle = fopen(filepath, "rb"); | |
ef79bbde P |
615 | } |
616 | } | |
617 | } | |
618 | ||
619 | fclose(fi); | |
620 | ||
ef79bbde P |
621 | return 0; |
622 | } | |
623 | ||
624 | // this function tries to get the .ccd file of the given .img | |
625 | // the necessary data is put into the ti (trackinformation)-array | |
626 | static int parseccd(const char *isofile) { | |
627 | char ccdname[MAXPATHLEN]; | |
628 | FILE *fi; | |
629 | char linebuf[256]; | |
630 | unsigned int t; | |
631 | ||
632 | numtracks = 0; | |
633 | ||
634 | // copy name of the iso and change extension from .img to .ccd | |
635 | strncpy(ccdname, isofile, sizeof(ccdname)); | |
636 | ccdname[MAXPATHLEN - 1] = '\0'; | |
637 | if (strlen(ccdname) >= 4) { | |
638 | strcpy(ccdname + strlen(ccdname) - 4, ".ccd"); | |
639 | } | |
640 | else { | |
641 | return -1; | |
642 | } | |
643 | ||
644 | if ((fi = fopen(ccdname, "r")) == NULL) { | |
645 | return -1; | |
646 | } | |
647 | ||
648 | memset(&ti, 0, sizeof(ti)); | |
649 | ||
650 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
651 | if (!strncmp(linebuf, "[TRACK", 6)){ | |
652 | numtracks++; | |
653 | } | |
654 | else if (!strncmp(linebuf, "MODE=", 5)) { | |
655 | sscanf(linebuf, "MODE=%d", &t); | |
656 | ti[numtracks].type = ((t == 0) ? CDDA : DATA); | |
657 | } | |
658 | else if (!strncmp(linebuf, "INDEX 1=", 8)) { | |
659 | sscanf(linebuf, "INDEX 1=%d", &t); | |
660 | sec2msf(t + 2 * 75, ti[numtracks].start); | |
77160d47 | 661 | ti[numtracks].start_offset = t * 2352; |
ef79bbde P |
662 | |
663 | // If we've already seen another track, this is its end | |
664 | if (numtracks > 1) { | |
665 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
666 | sec2msf(t, ti[numtracks - 1].length); | |
667 | } | |
668 | } | |
669 | } | |
670 | ||
671 | fclose(fi); | |
672 | ||
673 | // Fill out the last track's end based on size | |
674 | if (numtracks >= 1) { | |
675 | fseek(cdHandle, 0, SEEK_END); | |
676 | t = ftell(cdHandle) / 2352 - msf2sec(ti[numtracks].start) + 2 * 75; | |
677 | sec2msf(t, ti[numtracks].length); | |
678 | } | |
679 | ||
680 | return 0; | |
681 | } | |
682 | ||
683 | // this function tries to get the .mds file of the given .mdf | |
684 | // the necessary data is put into the ti (trackinformation)-array | |
685 | static int parsemds(const char *isofile) { | |
686 | char mdsname[MAXPATHLEN]; | |
687 | FILE *fi; | |
688 | unsigned int offset, extra_offset, l, i; | |
689 | unsigned short s; | |
690 | ||
691 | numtracks = 0; | |
692 | ||
693 | // copy name of the iso and change extension from .mdf to .mds | |
694 | strncpy(mdsname, isofile, sizeof(mdsname)); | |
695 | mdsname[MAXPATHLEN - 1] = '\0'; | |
696 | if (strlen(mdsname) >= 4) { | |
697 | strcpy(mdsname + strlen(mdsname) - 4, ".mds"); | |
698 | } | |
699 | else { | |
700 | return -1; | |
701 | } | |
702 | ||
703 | if ((fi = fopen(mdsname, "rb")) == NULL) { | |
704 | return -1; | |
705 | } | |
706 | ||
707 | memset(&ti, 0, sizeof(ti)); | |
708 | ||
709 | // check if it's a valid mds file | |
710 | fread(&i, 1, sizeof(unsigned int), fi); | |
711 | i = SWAP32(i); | |
712 | if (i != 0x4944454D) { | |
713 | // not an valid mds file | |
714 | fclose(fi); | |
715 | return -1; | |
716 | } | |
717 | ||
718 | // get offset to session block | |
719 | fseek(fi, 0x50, SEEK_SET); | |
720 | fread(&offset, 1, sizeof(unsigned int), fi); | |
721 | offset = SWAP32(offset); | |
722 | ||
723 | // get total number of tracks | |
724 | offset += 14; | |
725 | fseek(fi, offset, SEEK_SET); | |
726 | fread(&s, 1, sizeof(unsigned short), fi); | |
727 | s = SWAP16(s); | |
728 | numtracks = s; | |
729 | ||
730 | // get offset to track blocks | |
731 | fseek(fi, 4, SEEK_CUR); | |
732 | fread(&offset, 1, sizeof(unsigned int), fi); | |
733 | offset = SWAP32(offset); | |
734 | ||
735 | // skip lead-in data | |
736 | while (1) { | |
737 | fseek(fi, offset + 4, SEEK_SET); | |
738 | if (fgetc(fi) < 0xA0) { | |
739 | break; | |
740 | } | |
741 | offset += 0x50; | |
742 | } | |
743 | ||
744 | // check if the image contains mixed subchannel data | |
745 | fseek(fi, offset + 1, SEEK_SET); | |
77160d47 | 746 | subChanMixed = subChanRaw = (fgetc(fi) ? TRUE : FALSE); |
ef79bbde P |
747 | |
748 | // read track data | |
749 | for (i = 1; i <= numtracks; i++) { | |
750 | fseek(fi, offset, SEEK_SET); | |
751 | ||
752 | // get the track type | |
753 | ti[i].type = ((fgetc(fi) == 0xA9) ? CDDA : DATA); | |
754 | fseek(fi, 8, SEEK_CUR); | |
755 | ||
756 | // get the track starting point | |
757 | ti[i].start[0] = fgetc(fi); | |
758 | ti[i].start[1] = fgetc(fi); | |
759 | ti[i].start[2] = fgetc(fi); | |
760 | ||
ef79bbde P |
761 | fread(&extra_offset, 1, sizeof(unsigned int), fi); |
762 | extra_offset = SWAP32(extra_offset); | |
763 | ||
19c03d80 | 764 | // get track start offset (in .mdf) |
765 | fseek(fi, offset + 0x28, SEEK_SET); | |
766 | fread(&l, 1, sizeof(unsigned int), fi); | |
767 | l = SWAP32(l); | |
77160d47 | 768 | ti[i].start_offset = l; |
19c03d80 | 769 | |
8aa91443 | 770 | // get pregap |
771 | fseek(fi, extra_offset, SEEK_SET); | |
772 | fread(&l, 1, sizeof(unsigned int), fi); | |
773 | l = SWAP32(l); | |
774 | if (l != 0 && i > 1) | |
77160d47 | 775 | pregapOffset = msf2sec(ti[i].start); |
8aa91443 | 776 | |
777 | // get the track length | |
778 | fread(&l, 1, sizeof(unsigned int), fi); | |
779 | l = SWAP32(l); | |
780 | sec2msf(l, ti[i].length); | |
781 | ||
ef79bbde P |
782 | offset += 0x50; |
783 | } | |
784 | ||
785 | fclose(fi); | |
786 | return 0; | |
787 | } | |
788 | ||
0877957a | 789 | static int handlepbp(const char *isofile) { |
9a92bffb | 790 | struct { |
791 | unsigned int sig; | |
792 | unsigned int dontcare[8]; | |
793 | unsigned int psar_offs; | |
794 | } pbp_hdr; | |
795 | struct { | |
796 | unsigned char type; | |
797 | unsigned char pad0; | |
798 | unsigned char track; | |
799 | char index0[3]; | |
800 | char pad1; | |
801 | char index1[3]; | |
802 | } toc_entry; | |
803 | struct { | |
804 | unsigned int offset; | |
805 | unsigned int size; | |
806 | unsigned int dontcare[6]; | |
807 | } index_entry; | |
0c2871a7 | 808 | char psar_sig[11]; |
cc376814 | 809 | off_t psisoimg_offs, cdimg_base; |
810 | unsigned int t, cd_length; | |
811 | unsigned int offsettab[8]; | |
9a92bffb | 812 | const char *ext = NULL; |
813 | int i, ret; | |
814 | ||
815 | if (strlen(isofile) >= 4) | |
816 | ext = isofile + strlen(isofile) - 4; | |
817 | if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0)) | |
818 | return -1; | |
819 | ||
cc376814 | 820 | fseeko(cdHandle, 0, SEEK_SET); |
9726a4af | 821 | |
9a92bffb | 822 | numtracks = 0; |
823 | ||
824 | ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle); | |
825 | if (ret != sizeof(pbp_hdr)) { | |
f29fbd53 | 826 | SysPrintf("failed to read pbp\n"); |
9a92bffb | 827 | goto fail_io; |
828 | } | |
829 | ||
cc376814 | 830 | ret = fseeko(cdHandle, pbp_hdr.psar_offs, SEEK_SET); |
9a92bffb | 831 | if (ret != 0) { |
f29fbd53 | 832 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs); |
9a92bffb | 833 | goto fail_io; |
834 | } | |
835 | ||
0c2871a7 | 836 | psisoimg_offs = pbp_hdr.psar_offs; |
9a92bffb | 837 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); |
0c2871a7 | 838 | psar_sig[10] = 0; |
839 | if (strcmp(psar_sig, "PSTITLEIMG") == 0) { | |
840 | // multidisk image? | |
cc376814 | 841 | ret = fseeko(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET); |
0c2871a7 | 842 | if (ret != 0) { |
f29fbd53 | 843 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs + 0x200); |
0c2871a7 | 844 | goto fail_io; |
845 | } | |
846 | ||
847 | if (fread(&offsettab, 1, sizeof(offsettab), cdHandle) != sizeof(offsettab)) { | |
f29fbd53 | 848 | SysPrintf("failed to read offsettab\n"); |
0c2871a7 | 849 | goto fail_io; |
850 | } | |
851 | ||
852 | for (i = 0; i < sizeof(offsettab) / sizeof(offsettab[0]); i++) { | |
853 | if (offsettab[i] == 0) | |
854 | break; | |
855 | } | |
856 | cdrIsoMultidiskCount = i; | |
857 | if (cdrIsoMultidiskCount == 0) { | |
f29fbd53 | 858 | SysPrintf("multidisk eboot has 0 images?\n"); |
0c2871a7 | 859 | goto fail_io; |
860 | } | |
861 | ||
862 | if (cdrIsoMultidiskSelect >= cdrIsoMultidiskCount) | |
863 | cdrIsoMultidiskSelect = 0; | |
864 | ||
865 | psisoimg_offs += offsettab[cdrIsoMultidiskSelect]; | |
866 | ||
cc376814 | 867 | ret = fseeko(cdHandle, psisoimg_offs, SEEK_SET); |
0c2871a7 | 868 | if (ret != 0) { |
cc376814 | 869 | SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs); |
0c2871a7 | 870 | goto fail_io; |
871 | } | |
872 | ||
873 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); | |
874 | psar_sig[10] = 0; | |
875 | } | |
876 | ||
877 | if (strcmp(psar_sig, "PSISOIMG00") != 0) { | |
f29fbd53 | 878 | SysPrintf("bad psar_sig: %s\n", psar_sig); |
9a92bffb | 879 | goto fail_io; |
880 | } | |
881 | ||
882 | // seek to TOC | |
cc376814 | 883 | ret = fseeko(cdHandle, psisoimg_offs + 0x800, SEEK_SET); |
9a92bffb | 884 | if (ret != 0) { |
cc376814 | 885 | SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs + 0x800); |
9a92bffb | 886 | goto fail_io; |
887 | } | |
888 | ||
889 | // first 3 entries are special | |
890 | fseek(cdHandle, sizeof(toc_entry), SEEK_CUR); | |
891 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
892 | numtracks = btoi(toc_entry.index1[0]); | |
893 | ||
894 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
895 | cd_length = btoi(toc_entry.index1[0]) * 60 * 75 + | |
896 | btoi(toc_entry.index1[1]) * 75 + btoi(toc_entry.index1[2]); | |
897 | ||
898 | for (i = 1; i <= numtracks; i++) { | |
899 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
900 | ||
901 | ti[i].type = (toc_entry.type == 1) ? CDDA : DATA; | |
902 | ||
903 | ti[i].start_offset = btoi(toc_entry.index0[0]) * 60 * 75 + | |
904 | btoi(toc_entry.index0[1]) * 75 + btoi(toc_entry.index0[2]); | |
77160d47 | 905 | ti[i].start_offset *= 2352; |
9a92bffb | 906 | ti[i].start[0] = btoi(toc_entry.index1[0]); |
907 | ti[i].start[1] = btoi(toc_entry.index1[1]); | |
908 | ti[i].start[2] = btoi(toc_entry.index1[2]); | |
909 | ||
910 | if (i > 1) { | |
911 | t = msf2sec(ti[i].start) - msf2sec(ti[i - 1].start); | |
912 | sec2msf(t, ti[i - 1].length); | |
913 | } | |
914 | } | |
77160d47 | 915 | t = cd_length - ti[numtracks].start_offset / 2352; |
9a92bffb | 916 | sec2msf(t, ti[numtracks].length); |
917 | ||
918 | // seek to ISO index | |
cc376814 | 919 | ret = fseeko(cdHandle, psisoimg_offs + 0x4000, SEEK_SET); |
9a92bffb | 920 | if (ret != 0) { |
f29fbd53 | 921 | SysPrintf("failed to seek to ISO index\n"); |
9a92bffb | 922 | goto fail_io; |
923 | } | |
924 | ||
925 | compr_img = calloc(1, sizeof(*compr_img)); | |
926 | if (compr_img == NULL) | |
927 | goto fail_io; | |
928 | ||
0877957a | 929 | compr_img->block_shift = 4; |
9a92bffb | 930 | compr_img->current_block = (unsigned int)-1; |
931 | ||
932 | compr_img->index_len = (0x100000 - 0x4000) / sizeof(index_entry); | |
933 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
934 | if (compr_img->index_table == NULL) | |
935 | goto fail_io; | |
936 | ||
0c2871a7 | 937 | cdimg_base = psisoimg_offs + 0x100000; |
9a92bffb | 938 | for (i = 0; i < compr_img->index_len; i++) { |
939 | ret = fread(&index_entry, 1, sizeof(index_entry), cdHandle); | |
940 | if (ret != sizeof(index_entry)) { | |
f29fbd53 | 941 | SysPrintf("failed to read index_entry #%d\n", i); |
9a92bffb | 942 | goto fail_index; |
943 | } | |
944 | ||
945 | if (index_entry.size == 0) | |
946 | break; | |
947 | ||
948 | compr_img->index_table[i] = cdimg_base + index_entry.offset; | |
949 | } | |
950 | compr_img->index_table[i] = cdimg_base + index_entry.offset + index_entry.size; | |
951 | ||
952 | return 0; | |
953 | ||
954 | fail_index: | |
955 | free(compr_img->index_table); | |
956 | compr_img->index_table = NULL; | |
957 | fail_io: | |
0877957a | 958 | if (compr_img != NULL) { |
959 | free(compr_img); | |
960 | compr_img = NULL; | |
961 | } | |
962 | return -1; | |
963 | } | |
964 | ||
965 | static int handlecbin(const char *isofile) { | |
966 | struct | |
967 | { | |
968 | char magic[4]; | |
969 | unsigned int header_size; | |
970 | unsigned long long total_bytes; | |
971 | unsigned int block_size; | |
972 | unsigned char ver; // 1 | |
973 | unsigned char align; | |
974 | unsigned char rsv_06[2]; | |
975 | } ciso_hdr; | |
976 | const char *ext = NULL; | |
cc376814 | 977 | unsigned int *index_table = NULL; |
0c2871a7 | 978 | unsigned int index = 0, plain; |
0877957a | 979 | int i, ret; |
980 | ||
981 | if (strlen(isofile) >= 5) | |
982 | ext = isofile + strlen(isofile) - 5; | |
983 | if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0)) | |
984 | return -1; | |
985 | ||
9726a4af | 986 | fseek(cdHandle, 0, SEEK_SET); |
987 | ||
0877957a | 988 | ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle); |
989 | if (ret != sizeof(ciso_hdr)) { | |
f29fbd53 | 990 | SysPrintf("failed to read ciso header\n"); |
0877957a | 991 | return -1; |
992 | } | |
993 | ||
994 | if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) { | |
f29fbd53 | 995 | SysPrintf("bad ciso header\n"); |
0877957a | 996 | return -1; |
997 | } | |
998 | if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) { | |
cc376814 | 999 | ret = fseeko(cdHandle, ciso_hdr.header_size, SEEK_SET); |
0877957a | 1000 | if (ret != 0) { |
f29fbd53 | 1001 | SysPrintf("failed to seek to %x\n", ciso_hdr.header_size); |
0877957a | 1002 | return -1; |
1003 | } | |
1004 | } | |
1005 | ||
1006 | compr_img = calloc(1, sizeof(*compr_img)); | |
1007 | if (compr_img == NULL) | |
1008 | goto fail_io; | |
1009 | ||
1010 | compr_img->block_shift = 0; | |
1011 | compr_img->current_block = (unsigned int)-1; | |
1012 | ||
1013 | compr_img->index_len = ciso_hdr.total_bytes / ciso_hdr.block_size; | |
cc376814 | 1014 | index_table = malloc((compr_img->index_len + 1) * sizeof(index_table[0])); |
1015 | if (index_table == NULL) | |
0877957a | 1016 | goto fail_io; |
1017 | ||
cc376814 | 1018 | ret = fread(index_table, sizeof(index_table[0]), compr_img->index_len, cdHandle); |
0877957a | 1019 | if (ret != compr_img->index_len) { |
f29fbd53 | 1020 | SysPrintf("failed to read index table\n"); |
0877957a | 1021 | goto fail_index; |
1022 | } | |
1023 | ||
cc376814 | 1024 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); |
1025 | if (compr_img->index_table == NULL) | |
1026 | goto fail_index; | |
1027 | ||
0877957a | 1028 | for (i = 0; i < compr_img->index_len + 1; i++) { |
cc376814 | 1029 | index = index_table[i]; |
0877957a | 1030 | plain = index & 0x80000000; |
1031 | index &= 0x7fffffff; | |
cc376814 | 1032 | compr_img->index_table[i] = (off_t)index << ciso_hdr.align; |
1033 | if (plain) | |
1034 | compr_img->index_table[i] |= OFF_T_MSB; | |
0877957a | 1035 | } |
0877957a | 1036 | |
1037 | return 0; | |
1038 | ||
1039 | fail_index: | |
cc376814 | 1040 | free(index_table); |
0877957a | 1041 | fail_io: |
1042 | if (compr_img != NULL) { | |
1043 | free(compr_img); | |
1044 | compr_img = NULL; | |
1045 | } | |
9a92bffb | 1046 | return -1; |
1047 | } | |
1048 | ||
00f0670c | 1049 | #ifdef HAVE_CHD |
1050 | static int handlechd(const char *isofile) { | |
1051 | int frame_offset = 0; | |
1052 | int file_offset = 0; | |
1053 | ||
1054 | chd_img = (CHD_IMG *)calloc(1, sizeof(*chd_img)); | |
1055 | if (chd_img == NULL) | |
1056 | goto fail_io; | |
1057 | ||
1058 | if(chd_open(isofile, CHD_OPEN_READ, NULL, &chd_img->chd) != CHDERR_NONE) | |
1059 | goto fail_io; | |
1060 | ||
1061 | chd_img->header = chd_get_header(chd_img->chd); | |
1062 | ||
1063 | chd_img->buffer = (unsigned char (*)[CD_FRAMESIZE_RAW + SUB_FRAMESIZE])malloc(chd_img->header->hunkbytes); | |
1064 | if (chd_img->buffer == NULL) | |
1065 | goto fail_io; | |
1066 | ||
1067 | chd_img->sectors_per_hunk = chd_img->header->hunkbytes / (CD_FRAMESIZE_RAW + SUB_FRAMESIZE); | |
1068 | chd_img->current_hunk = (unsigned int)-1; | |
1069 | ||
1070 | cddaBigEndian = TRUE; | |
1071 | ||
1072 | numtracks = 0; | |
1073 | memset(ti, 0, sizeof(ti)); | |
1074 | ||
1075 | while (1) | |
1076 | { | |
1077 | struct { | |
1078 | char type[64]; | |
1079 | char subtype[32]; | |
1080 | char pgtype[32]; | |
1081 | char pgsub[32]; | |
1082 | uint32_t track; | |
1083 | uint32_t frames; | |
1084 | uint32_t pregap; | |
1085 | uint32_t postgap; | |
1086 | } md = {}; | |
1087 | char meta[256]; | |
1088 | uint32_t meta_size = 0; | |
1089 | ||
1090 | if (chd_get_metadata(chd_img->chd, CDROM_TRACK_METADATA2_TAG, numtracks, meta, sizeof(meta), &meta_size, NULL, NULL) == CHDERR_NONE) | |
1091 | sscanf(meta, CDROM_TRACK_METADATA2_FORMAT, &md.track, md.type, md.subtype, &md.frames, &md.pregap, md.pgtype, md.pgsub, &md.postgap); | |
1092 | else if (chd_get_metadata(chd_img->chd, CDROM_TRACK_METADATA_TAG, numtracks, meta, sizeof(meta), &meta_size, NULL, NULL) == CHDERR_NONE) | |
1093 | sscanf(meta, CDROM_TRACK_METADATA_FORMAT, &md.track, md.type, md.subtype, &md.frames); | |
1094 | else | |
1095 | break; | |
1096 | ||
1097 | if(md.track == 1) | |
1098 | md.pregap = 150; | |
1099 | else | |
1100 | sec2msf(msf2sec(ti[md.track-1].length) + md.pregap, ti[md.track-1].length); | |
1101 | ||
1102 | ti[md.track].type = !strncmp(md.type, "AUDIO", 5) ? CDDA : DATA; | |
1103 | ||
1104 | sec2msf(frame_offset + md.pregap, ti[md.track].start); | |
1105 | sec2msf(md.frames, ti[md.track].length); | |
1106 | ||
1107 | ti[md.track].start_offset = file_offset; | |
1108 | ||
1109 | frame_offset += md.pregap + md.frames + md.postgap; | |
1110 | file_offset += md.frames + md.postgap; | |
1111 | numtracks++; | |
1112 | } | |
1113 | ||
1114 | if (numtracks) | |
1115 | return 0; | |
1116 | ||
1117 | fail_io: | |
1118 | if (chd_img != NULL) { | |
1119 | free(chd_img->buffer); | |
1120 | free(chd_img); | |
1121 | chd_img = NULL; | |
1122 | } | |
1123 | return -1; | |
1124 | } | |
1125 | #endif | |
1126 | ||
ef79bbde P |
1127 | // this function tries to get the .sub file of the given .img |
1128 | static int opensubfile(const char *isoname) { | |
1129 | char subname[MAXPATHLEN]; | |
1130 | ||
1131 | // copy name of the iso and change extension from .img to .sub | |
1132 | strncpy(subname, isoname, sizeof(subname)); | |
1133 | subname[MAXPATHLEN - 1] = '\0'; | |
1134 | if (strlen(subname) >= 4) { | |
1135 | strcpy(subname + strlen(subname) - 4, ".sub"); | |
1136 | } | |
1137 | else { | |
1138 | return -1; | |
1139 | } | |
1140 | ||
1141 | subHandle = fopen(subname, "rb"); | |
1142 | if (subHandle == NULL) { | |
1143 | return -1; | |
1144 | } | |
1145 | ||
1146 | return 0; | |
1147 | } | |
1148 | ||
ae4e7dc9 | 1149 | static int opensbifile(const char *isoname) { |
1150 | char sbiname[MAXPATHLEN]; | |
1151 | int s; | |
1152 | ||
1153 | strncpy(sbiname, isoname, sizeof(sbiname)); | |
1154 | sbiname[MAXPATHLEN - 1] = '\0'; | |
1155 | if (strlen(sbiname) >= 4) { | |
1156 | strcpy(sbiname + strlen(sbiname) - 4, ".sbi"); | |
1157 | } | |
1158 | else { | |
1159 | return -1; | |
1160 | } | |
1161 | ||
1162 | fseek(cdHandle, 0, SEEK_END); | |
1163 | s = ftell(cdHandle) / 2352; | |
1164 | ||
1165 | return LoadSBI(sbiname, s); | |
1166 | } | |
1167 | ||
77160d47 | 1168 | static int cdread_normal(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1169 | { |
77160d47 | 1170 | fseek(f, base + sector * CD_FRAMESIZE_RAW, SEEK_SET); |
81abe4d5 | 1171 | return fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1172 | } |
1173 | ||
77160d47 | 1174 | static int cdread_sub_mixed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1175 | { |
1176 | int ret; | |
1177 | ||
77160d47 | 1178 | fseek(f, base + sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET); |
81abe4d5 | 1179 | ret = fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1180 | fread(subbuffer, 1, SUB_FRAMESIZE, f); |
1181 | ||
1182 | if (subChanRaw) DecodeRawSubData(); | |
1183 | ||
1184 | return ret; | |
1185 | } | |
1186 | ||
2dd6a826 | 1187 | static int uncompress2_pcsx(void *out, unsigned long *out_size, void *in, unsigned long in_size) |
9a92bffb | 1188 | { |
1189 | static z_stream z; | |
1190 | int ret = 0; | |
1191 | ||
1192 | if (z.zalloc == NULL) { | |
1193 | // XXX: one-time leak here.. | |
1194 | z.next_in = Z_NULL; | |
1195 | z.avail_in = 0; | |
1196 | z.zalloc = Z_NULL; | |
1197 | z.zfree = Z_NULL; | |
1198 | z.opaque = Z_NULL; | |
1199 | ret = inflateInit2(&z, -15); | |
1200 | } | |
1201 | else | |
1202 | ret = inflateReset(&z); | |
1203 | if (ret != Z_OK) | |
1204 | return ret; | |
1205 | ||
1206 | z.next_in = in; | |
1207 | z.avail_in = in_size; | |
1208 | z.next_out = out; | |
1209 | z.avail_out = *out_size; | |
1210 | ||
1211 | ret = inflate(&z, Z_NO_FLUSH); | |
1212 | //inflateEnd(&z); | |
1213 | ||
1214 | *out_size -= z.avail_out; | |
1215 | return ret == 1 ? 0 : ret; | |
1216 | } | |
1217 | ||
77160d47 | 1218 | static int cdread_compressed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1219 | { |
0877957a | 1220 | unsigned long cdbuffer_size, cdbuffer_size_expect; |
cc376814 | 1221 | unsigned int size; |
0877957a | 1222 | int is_compressed; |
cc376814 | 1223 | off_t start_byte; |
9a92bffb | 1224 | int ret, block; |
1225 | ||
77160d47 | 1226 | if (base) |
1227 | sector += base / 2352; | |
1228 | ||
0877957a | 1229 | block = sector >> compr_img->block_shift; |
1230 | compr_img->sector_in_blk = sector & ((1 << compr_img->block_shift) - 1); | |
9a92bffb | 1231 | |
1232 | if (block == compr_img->current_block) { | |
1233 | //printf("hit sect %d\n", sector); | |
1234 | goto finish; | |
1235 | } | |
1236 | ||
1237 | if (sector >= compr_img->index_len * 16) { | |
f29fbd53 | 1238 | SysPrintf("sector %d is past img end\n", sector); |
9a92bffb | 1239 | return -1; |
1240 | } | |
1241 | ||
cc376814 | 1242 | start_byte = compr_img->index_table[block] & ~OFF_T_MSB; |
1243 | if (fseeko(cdHandle, start_byte, SEEK_SET) != 0) { | |
1244 | SysPrintf("seek error for block %d at %llx: ", | |
1245 | block, (long long)start_byte); | |
9a92bffb | 1246 | perror(NULL); |
1247 | return -1; | |
1248 | } | |
1249 | ||
cc376814 | 1250 | is_compressed = !(compr_img->index_table[block] & OFF_T_MSB); |
1251 | size = (compr_img->index_table[block + 1] & ~OFF_T_MSB) - start_byte; | |
9a92bffb | 1252 | if (size > sizeof(compr_img->buff_compressed)) { |
f29fbd53 | 1253 | SysPrintf("block %d is too large: %u\n", block, size); |
9a92bffb | 1254 | return -1; |
1255 | } | |
1256 | ||
0877957a | 1257 | if (fread(is_compressed ? compr_img->buff_compressed : compr_img->buff_raw[0], |
1258 | 1, size, cdHandle) != size) { | |
f29fbd53 | 1259 | SysPrintf("read error for block %d at %x: ", block, start_byte); |
9a92bffb | 1260 | perror(NULL); |
1261 | return -1; | |
1262 | } | |
1263 | ||
0877957a | 1264 | if (is_compressed) { |
1265 | cdbuffer_size_expect = sizeof(compr_img->buff_raw[0]) << compr_img->block_shift; | |
1266 | cdbuffer_size = cdbuffer_size_expect; | |
2dd6a826 | 1267 | ret = uncompress2_pcsx(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size); |
0877957a | 1268 | if (ret != 0) { |
f29fbd53 | 1269 | SysPrintf("uncompress failed with %d for block %d, sector %d\n", |
0877957a | 1270 | ret, block, sector); |
1271 | return -1; | |
1272 | } | |
1273 | if (cdbuffer_size != cdbuffer_size_expect) | |
f29fbd53 | 1274 | SysPrintf("cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size, |
0877957a | 1275 | cdbuffer_size_expect, sector); |
9a92bffb | 1276 | } |
9a92bffb | 1277 | |
1278 | // done at last! | |
1279 | compr_img->current_block = block; | |
1280 | ||
1281 | finish: | |
1282 | if (dest != cdbuffer) // copy avoid HACK | |
81abe4d5 | 1283 | memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk], |
1284 | CD_FRAMESIZE_RAW); | |
1285 | return CD_FRAMESIZE_RAW; | |
9a92bffb | 1286 | } |
1287 | ||
00f0670c | 1288 | #ifdef HAVE_CHD |
1289 | static int cdread_chd(FILE *f, unsigned int base, void *dest, int sector) | |
1290 | { | |
1291 | int hunk; | |
1292 | ||
1293 | if (base) | |
1294 | sector += base; | |
1295 | ||
1296 | hunk = sector / chd_img->sectors_per_hunk; | |
1297 | chd_img->sector_in_hunk = sector % chd_img->sectors_per_hunk; | |
1298 | ||
1299 | if (hunk != chd_img->current_hunk) | |
1300 | { | |
1301 | chd_read(chd_img->chd, hunk, chd_img->buffer); | |
1302 | chd_img->current_hunk = hunk; | |
1303 | } | |
1304 | ||
1305 | if (dest != cdbuffer) // copy avoid HACK | |
1306 | memcpy(dest, chd_img->buffer[chd_img->sector_in_hunk], | |
1307 | CD_FRAMESIZE_RAW); | |
1308 | return CD_FRAMESIZE_RAW; | |
1309 | } | |
1310 | #endif | |
1311 | ||
77160d47 | 1312 | static int cdread_2048(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1313 | { |
1314 | int ret; | |
1315 | ||
77160d47 | 1316 | fseek(f, base + sector * 2048, SEEK_SET); |
81abe4d5 | 1317 | ret = fread((char *)dest + 12 * 2, 1, 2048, f); |
9a92bffb | 1318 | |
1319 | // not really necessary, fake mode 2 header | |
81abe4d5 | 1320 | memset(cdbuffer, 0, 12 * 2); |
1321 | sec2msf(sector + 2 * 75, (char *)&cdbuffer[12]); | |
1322 | cdbuffer[12 + 3] = 1; | |
9a92bffb | 1323 | |
1324 | return ret; | |
1325 | } | |
1326 | ||
1327 | static unsigned char * CALLBACK ISOgetBuffer_compr(void) { | |
1328 | return compr_img->buff_raw[compr_img->sector_in_blk] + 12; | |
1329 | } | |
1330 | ||
00f0670c | 1331 | #ifdef HAVE_CHD |
1332 | static unsigned char *ISOgetBuffer_chd(void) { | |
1333 | return chd_img->buffer[chd_img->sector_in_hunk] + 12; | |
1334 | } | |
1335 | #endif | |
1336 | ||
9a92bffb | 1337 | static unsigned char * CALLBACK ISOgetBuffer(void) { |
81abe4d5 | 1338 | return cdbuffer + 12; |
9a92bffb | 1339 | } |
1340 | ||
ef79bbde P |
1341 | static void PrintTracks(void) { |
1342 | int i; | |
1343 | ||
1344 | for (i = 1; i <= numtracks; i++) { | |
1345 | SysPrintf(_("Track %.2d (%s) - Start %.2d:%.2d:%.2d, Length %.2d:%.2d:%.2d\n"), | |
1346 | i, (ti[i].type == DATA ? "DATA" : "AUDIO"), | |
1347 | ti[i].start[0], ti[i].start[1], ti[i].start[2], | |
1348 | ti[i].length[0], ti[i].length[1], ti[i].length[2]); | |
1349 | } | |
1350 | } | |
1351 | ||
1352 | // This function is invoked by the front-end when opening an ISO | |
1353 | // file for playback | |
1354 | static long CALLBACK ISOopen(void) { | |
9a92bffb | 1355 | boolean isMode1ISO = FALSE; |
689e0447 | 1356 | char alt_bin_filename[MAXPATHLEN]; |
1357 | const char *bin_filename; | |
9a92bffb | 1358 | |
ef79bbde P |
1359 | if (cdHandle != NULL) { |
1360 | return 0; // it's already open | |
1361 | } | |
1362 | ||
1363 | cdHandle = fopen(GetIsoFile(), "rb"); | |
1364 | if (cdHandle == NULL) { | |
2e058581 | 1365 | SysPrintf(_("Could't open '%s' for reading: %s\n"), |
1366 | GetIsoFile(), strerror(errno)); | |
ef79bbde P |
1367 | return -1; |
1368 | } | |
1369 | ||
1370 | SysPrintf(_("Loaded CD Image: %s"), GetIsoFile()); | |
1371 | ||
1372 | cddaBigEndian = FALSE; | |
1373 | subChanMixed = FALSE; | |
1374 | subChanRaw = FALSE; | |
8aa91443 | 1375 | pregapOffset = 0; |
0c2871a7 | 1376 | cdrIsoMultidiskCount = 1; |
deebc67f | 1377 | multifile = 0; |
ef79bbde | 1378 | |
9a92bffb | 1379 | CDR_getBuffer = ISOgetBuffer; |
1380 | cdimg_read_func = cdread_normal; | |
1381 | ||
92f43ab0 | 1382 | if (parsetoc(GetIsoFile()) == 0) { |
ef79bbde P |
1383 | SysPrintf("[+toc]"); |
1384 | } | |
1385 | else if (parseccd(GetIsoFile()) == 0) { | |
1386 | SysPrintf("[+ccd]"); | |
1387 | } | |
1388 | else if (parsemds(GetIsoFile()) == 0) { | |
1389 | SysPrintf("[+mds]"); | |
1390 | } | |
92f43ab0 | 1391 | else if (parsecue(GetIsoFile()) == 0) { |
1392 | SysPrintf("[+cue]"); | |
1393 | } | |
0877957a | 1394 | if (handlepbp(GetIsoFile()) == 0) { |
9a92bffb | 1395 | SysPrintf("[pbp]"); |
1396 | CDR_getBuffer = ISOgetBuffer_compr; | |
1397 | cdimg_read_func = cdread_compressed; | |
1398 | } | |
0877957a | 1399 | else if (handlecbin(GetIsoFile()) == 0) { |
1400 | SysPrintf("[cbin]"); | |
1401 | CDR_getBuffer = ISOgetBuffer_compr; | |
1402 | cdimg_read_func = cdread_compressed; | |
1403 | } | |
00f0670c | 1404 | |
1405 | #ifdef HAVE_CHD | |
1406 | else if (handlechd(GetIsoFile()) == 0) { | |
1407 | printf("[chd]"); | |
1408 | CDR_getBuffer = ISOgetBuffer_chd; | |
1409 | cdimg_read_func = cdread_chd; | |
1410 | } | |
1411 | #endif | |
ef79bbde P |
1412 | |
1413 | if (!subChanMixed && opensubfile(GetIsoFile()) == 0) { | |
1414 | SysPrintf("[+sub]"); | |
1415 | } | |
ae4e7dc9 | 1416 | if (opensbifile(GetIsoFile()) == 0) { |
1417 | SysPrintf("[+sbi]"); | |
1418 | } | |
ef79bbde | 1419 | |
cc376814 | 1420 | fseeko(cdHandle, 0, SEEK_END); |
c9e5423e | 1421 | |
1422 | // maybe user selected metadata file instead of main .bin .. | |
689e0447 | 1423 | bin_filename = GetIsoFile(); |
cc376814 | 1424 | if (ftello(cdHandle) < 2352 * 0x10) { |
c9e5423e | 1425 | static const char *exts[] = { ".bin", ".BIN", ".img", ".IMG" }; |
689e0447 | 1426 | FILE *tmpf = NULL; |
c9e5423e | 1427 | size_t i; |
689e0447 | 1428 | char *p; |
c9e5423e | 1429 | |
689e0447 | 1430 | strncpy(alt_bin_filename, bin_filename, sizeof(alt_bin_filename)); |
1431 | alt_bin_filename[MAXPATHLEN - 1] = '\0'; | |
1432 | if (strlen(alt_bin_filename) >= 4) { | |
1433 | p = alt_bin_filename + strlen(alt_bin_filename) - 4; | |
c9e5423e | 1434 | for (i = 0; i < sizeof(exts) / sizeof(exts[0]); i++) { |
1435 | strcpy(p, exts[i]); | |
689e0447 | 1436 | tmpf = fopen(alt_bin_filename, "rb"); |
1437 | if (tmpf != NULL) | |
c9e5423e | 1438 | break; |
c9e5423e | 1439 | } |
1440 | } | |
689e0447 | 1441 | if (tmpf != NULL) { |
1442 | bin_filename = alt_bin_filename; | |
1443 | fclose(cdHandle); | |
1444 | cdHandle = tmpf; | |
cc376814 | 1445 | fseeko(cdHandle, 0, SEEK_END); |
689e0447 | 1446 | } |
c9e5423e | 1447 | } |
1448 | ||
1449 | // guess whether it is mode1/2048 | |
cc376814 | 1450 | if (ftello(cdHandle) % 2048 == 0) { |
9a92bffb | 1451 | unsigned int modeTest = 0; |
1452 | fseek(cdHandle, 0, SEEK_SET); | |
1453 | fread(&modeTest, 4, 1, cdHandle); | |
1454 | if (SWAP32(modeTest) != 0xffffff00) { | |
1455 | SysPrintf("[2048]"); | |
1456 | isMode1ISO = TRUE; | |
1457 | } | |
1458 | } | |
1459 | fseek(cdHandle, 0, SEEK_SET); | |
1460 | ||
ef79bbde P |
1461 | SysPrintf(".\n"); |
1462 | ||
1463 | PrintTracks(); | |
1464 | ||
9a92bffb | 1465 | if (subChanMixed) |
1466 | cdimg_read_func = cdread_sub_mixed; | |
1467 | else if (isMode1ISO) | |
1468 | cdimg_read_func = cdread_2048; | |
1469 | ||
38b8102c | 1470 | // make sure we have another handle open for cdda |
1471 | if (numtracks > 1 && ti[1].handle == NULL) { | |
689e0447 | 1472 | ti[1].handle = fopen(bin_filename, "rb"); |
38b8102c | 1473 | } |
77160d47 | 1474 | cdda_cur_sector = 0; |
1475 | cdda_file_offset = 0; | |
38b8102c | 1476 | |
ef79bbde P |
1477 | return 0; |
1478 | } | |
1479 | ||
1480 | static long CALLBACK ISOclose(void) { | |
38b8102c | 1481 | int i; |
1482 | ||
ef79bbde P |
1483 | if (cdHandle != NULL) { |
1484 | fclose(cdHandle); | |
1485 | cdHandle = NULL; | |
1486 | } | |
1487 | if (subHandle != NULL) { | |
1488 | fclose(subHandle); | |
1489 | subHandle = NULL; | |
1490 | } | |
1491 | stopCDDA(); | |
38b8102c | 1492 | cddaHandle = NULL; |
1493 | ||
9a92bffb | 1494 | if (compr_img != NULL) { |
1495 | free(compr_img->index_table); | |
1496 | free(compr_img); | |
1497 | compr_img = NULL; | |
1498 | } | |
00f0670c | 1499 | |
1500 | #ifdef HAVE_CHD | |
1501 | if (chd_img != NULL) { | |
1502 | chd_close(chd_img->chd); | |
1503 | free(chd_img->buffer); | |
1504 | free(chd_img); | |
1505 | chd_img = NULL; | |
1506 | } | |
1507 | #endif | |
9a92bffb | 1508 | |
38b8102c | 1509 | for (i = 1; i <= numtracks; i++) { |
1510 | if (ti[i].handle != NULL) { | |
1511 | fclose(ti[i].handle); | |
1512 | ti[i].handle = NULL; | |
1513 | } | |
1514 | } | |
1515 | numtracks = 0; | |
c0ee7ac6 | 1516 | ti[1].type = 0; |
ae4e7dc9 | 1517 | UnloadSBI(); |
38b8102c | 1518 | |
c0ee7ac6 | 1519 | memset(cdbuffer, 0, sizeof(cdbuffer)); |
1520 | CDR_getBuffer = ISOgetBuffer; | |
1521 | ||
38b8102c | 1522 | return 0; |
1523 | } | |
1524 | ||
1525 | static long CALLBACK ISOinit(void) { | |
1526 | assert(cdHandle == NULL); | |
1527 | assert(subHandle == NULL); | |
1528 | ||
1529 | return 0; // do nothing | |
1530 | } | |
1531 | ||
1532 | static long CALLBACK ISOshutdown(void) { | |
1533 | ISOclose(); | |
ef79bbde P |
1534 | return 0; |
1535 | } | |
1536 | ||
1537 | // return Starting and Ending Track | |
1538 | // buffer: | |
1539 | // byte 0 - start track | |
1540 | // byte 1 - end track | |
1541 | static long CALLBACK ISOgetTN(unsigned char *buffer) { | |
1542 | buffer[0] = 1; | |
1543 | ||
1544 | if (numtracks > 0) { | |
1545 | buffer[1] = numtracks; | |
1546 | } | |
1547 | else { | |
1548 | buffer[1] = 1; | |
1549 | } | |
1550 | ||
1551 | return 0; | |
1552 | } | |
1553 | ||
1554 | // return Track Time | |
1555 | // buffer: | |
1556 | // byte 0 - frame | |
1557 | // byte 1 - second | |
1558 | // byte 2 - minute | |
1559 | static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) { | |
858ad511 | 1560 | if (track == 0) { |
858ad511 | 1561 | unsigned int sect; |
1562 | unsigned char time[3]; | |
1563 | sect = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length); | |
ab948f7e | 1564 | sec2msf(sect, (char *)time); |
858ad511 | 1565 | buffer[2] = time[0]; |
1566 | buffer[1] = time[1]; | |
1567 | buffer[0] = time[2]; | |
1568 | } | |
1569 | else if (numtracks > 0 && track <= numtracks) { | |
ef79bbde P |
1570 | buffer[2] = ti[track].start[0]; |
1571 | buffer[1] = ti[track].start[1]; | |
1572 | buffer[0] = ti[track].start[2]; | |
1573 | } | |
1574 | else { | |
1575 | buffer[2] = 0; | |
1576 | buffer[1] = 2; | |
1577 | buffer[0] = 0; | |
1578 | } | |
1579 | ||
1580 | return 0; | |
1581 | } | |
1582 | ||
1583 | // decode 'raw' subchannel data ripped by cdrdao | |
1584 | static void DecodeRawSubData(void) { | |
1585 | unsigned char subQData[12]; | |
1586 | int i; | |
1587 | ||
1588 | memset(subQData, 0, sizeof(subQData)); | |
1589 | ||
1590 | for (i = 0; i < 8 * 12; i++) { | |
1591 | if (subbuffer[i] & (1 << 6)) { // only subchannel Q is needed | |
1592 | subQData[i >> 3] |= (1 << (7 - (i & 7))); | |
1593 | } | |
1594 | } | |
1595 | ||
1596 | memcpy(&subbuffer[12], subQData, 12); | |
1597 | } | |
1598 | ||
1599 | // read track | |
1600 | // time: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1601 | // uses bcd format | |
1602 | static long CALLBACK ISOreadTrack(unsigned char *time) { | |
19c03d80 | 1603 | int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])); |
c0ee7ac6 | 1604 | long ret; |
19c03d80 | 1605 | |
ef79bbde P |
1606 | if (cdHandle == NULL) { |
1607 | return -1; | |
1608 | } | |
1609 | ||
8aa91443 | 1610 | if (pregapOffset) { |
1611 | subChanMissing = FALSE; | |
1612 | if (sector >= pregapOffset) { | |
1613 | sector -= 2 * 75; | |
1614 | if (sector < pregapOffset) | |
1615 | subChanMissing = TRUE; | |
1616 | } | |
1617 | } | |
1618 | ||
c0ee7ac6 | 1619 | ret = cdimg_read_func(cdHandle, 0, cdbuffer, sector); |
1620 | if (ret < 0) | |
1621 | return -1; | |
ef79bbde | 1622 | |
9a92bffb | 1623 | if (subHandle != NULL) { |
1624 | fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET); | |
1625 | fread(subbuffer, 1, SUB_FRAMESIZE, subHandle); | |
ef79bbde | 1626 | |
9a92bffb | 1627 | if (subChanRaw) DecodeRawSubData(); |
ef79bbde P |
1628 | } |
1629 | ||
1630 | return 0; | |
1631 | } | |
1632 | ||
ef79bbde P |
1633 | // plays cdda audio |
1634 | // sector: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1635 | // does NOT uses bcd format | |
1636 | static long CALLBACK ISOplay(unsigned char *time) { | |
77160d47 | 1637 | unsigned int i; |
38b8102c | 1638 | |
7b8da7ab | 1639 | if (numtracks <= 1) |
1640 | return 0; | |
1641 | ||
38b8102c | 1642 | // find the track |
77160d47 | 1643 | cdda_cur_sector = msf2sec((char *)time); |
2058d51f | 1644 | for (i = numtracks; i > 1; i--) { |
77160d47 | 1645 | cdda_first_sector = msf2sec(ti[i].start); |
1646 | if (cdda_first_sector <= cdda_cur_sector + 2 * 75) | |
38b8102c | 1647 | break; |
2058d51f | 1648 | } |
77160d47 | 1649 | cdda_file_offset = ti[i].start_offset; |
19c03d80 | 1650 | |
38b8102c | 1651 | // find the file that contains this track |
1652 | for (; i > 1; i--) | |
1653 | if (ti[i].handle != NULL) | |
1654 | break; | |
1655 | ||
2058d51f | 1656 | cddaHandle = ti[i].handle; |
8aa91443 | 1657 | |
77160d47 | 1658 | if (SPU_playCDDAchannel != NULL) |
1659 | startCDDA(); | |
1660 | ||
ef79bbde P |
1661 | return 0; |
1662 | } | |
1663 | ||
1664 | // stops cdda audio | |
1665 | static long CALLBACK ISOstop(void) { | |
1666 | stopCDDA(); | |
1667 | return 0; | |
1668 | } | |
1669 | ||
1670 | // gets subchannel data | |
1671 | static unsigned char* CALLBACK ISOgetBufferSub(void) { | |
8aa91443 | 1672 | if ((subHandle != NULL || subChanMixed) && !subChanMissing) { |
ef79bbde P |
1673 | return subbuffer; |
1674 | } | |
1675 | ||
1676 | return NULL; | |
1677 | } | |
1678 | ||
1679 | static long CALLBACK ISOgetStatus(struct CdrStat *stat) { | |
deebc67f | 1680 | u32 sect; |
1681 | ||
ef79bbde | 1682 | CDR__getStatus(stat); |
deebc67f | 1683 | |
ef79bbde P |
1684 | if (playing) { |
1685 | stat->Type = 0x02; | |
1686 | stat->Status |= 0x80; | |
ef79bbde P |
1687 | } |
1688 | else { | |
deebc67f | 1689 | // BIOS - boot ID (CD type) |
1690 | stat->Type = ti[1].type; | |
1691 | } | |
1692 | ||
1693 | // relative -> absolute time | |
1694 | sect = cddaCurPos; | |
1695 | sec2msf(sect, (char *)stat->Time); | |
1696 | ||
1697 | return 0; | |
1698 | } | |
1699 | ||
1700 | // read CDDA sector into buffer | |
1701 | long CALLBACK ISOreadCDDA(unsigned char m, unsigned char s, unsigned char f, unsigned char *buffer) { | |
1702 | unsigned char msf[3] = {m, s, f}; | |
1703 | unsigned int file, track, track_start = 0; | |
1704 | int ret; | |
1705 | ||
1706 | cddaCurPos = msf2sec((char *)msf); | |
1707 | ||
1708 | // find current track index | |
1709 | for (track = numtracks; ; track--) { | |
1710 | track_start = msf2sec(ti[track].start); | |
1711 | if (track_start <= cddaCurPos) | |
1712 | break; | |
1713 | if (track == 1) | |
1714 | break; | |
1715 | } | |
1716 | ||
1717 | // data tracks play silent | |
1718 | if (ti[track].type != CDDA) { | |
1719 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
1720 | return 0; | |
1721 | } | |
1722 | ||
1723 | file = 1; | |
1724 | if (multifile) { | |
1725 | // find the file that contains this track | |
1726 | for (file = track; file > 1; file--) | |
1727 | if (ti[file].handle != NULL) | |
1728 | break; | |
ef79bbde P |
1729 | } |
1730 | ||
deebc67f | 1731 | ret = cdimg_read_func(ti[file].handle, ti[track].start_offset, |
1732 | buffer, cddaCurPos - track_start); | |
1733 | if (ret != CD_FRAMESIZE_RAW) { | |
1734 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
1735 | return -1; | |
1736 | } | |
1737 | ||
1738 | if (cddaBigEndian) { | |
1739 | int i; | |
1740 | unsigned char tmp; | |
1741 | ||
1742 | for (i = 0; i < CD_FRAMESIZE_RAW / 2; i++) { | |
1743 | tmp = buffer[i * 2]; | |
1744 | buffer[i * 2] = buffer[i * 2 + 1]; | |
1745 | buffer[i * 2 + 1] = tmp; | |
1746 | } | |
1747 | } | |
858ad511 | 1748 | |
ef79bbde P |
1749 | return 0; |
1750 | } | |
1751 | ||
1752 | void cdrIsoInit(void) { | |
1753 | CDR_init = ISOinit; | |
1754 | CDR_shutdown = ISOshutdown; | |
1755 | CDR_open = ISOopen; | |
1756 | CDR_close = ISOclose; | |
1757 | CDR_getTN = ISOgetTN; | |
1758 | CDR_getTD = ISOgetTD; | |
1759 | CDR_readTrack = ISOreadTrack; | |
1760 | CDR_getBuffer = ISOgetBuffer; | |
1761 | CDR_play = ISOplay; | |
1762 | CDR_stop = ISOstop; | |
1763 | CDR_getBufferSub = ISOgetBufferSub; | |
1764 | CDR_getStatus = ISOgetStatus; | |
deebc67f | 1765 | CDR_readCDDA = ISOreadCDDA; |
ef79bbde P |
1766 | |
1767 | CDR_getDriveLetter = CDR__getDriveLetter; | |
1768 | CDR_configure = CDR__configure; | |
1769 | CDR_test = CDR__test; | |
1770 | CDR_about = CDR__about; | |
1771 | CDR_setfilename = CDR__setfilename; | |
1772 | ||
1773 | numtracks = 0; | |
1774 | } | |
1775 | ||
1776 | int cdrIsoActive(void) { | |
1777 | return (cdHandle != NULL); | |
1778 | } |