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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 | 27 | |
f9fb1cf7 | 28 | #include <errno.h> |
29 | #include <zlib.h> | |
ce188d4d | 30 | #include <chd.h> |
f9fb1cf7 | 31 | |
ef79bbde | 32 | #ifdef _WIN32 |
003cfc63 | 33 | #define WIN32_LEAN_AND_MEAN |
ef79bbde P |
34 | #include <process.h> |
35 | #include <windows.h> | |
deebc67f | 36 | #define strcasecmp _stricmp |
ce36c10b | 37 | #define usleep(x) (Sleep((x) / 1000)) |
ef79bbde P |
38 | #else |
39 | #include <pthread.h> | |
40 | #include <sys/time.h> | |
349f7d81 | 41 | #include <unistd.h> |
ef79bbde P |
42 | #endif |
43 | ||
cc376814 | 44 | #define OFF_T_MSB ((off_t)1 << (sizeof(off_t) * 8 - 1)) |
45 | ||
0c2871a7 | 46 | unsigned int cdrIsoMultidiskCount; |
47 | unsigned int cdrIsoMultidiskSelect; | |
48 | ||
ef79bbde P |
49 | static FILE *cdHandle = NULL; |
50 | static FILE *cddaHandle = NULL; | |
51 | static FILE *subHandle = NULL; | |
52 | ||
53 | static boolean subChanMixed = FALSE; | |
54 | static boolean subChanRaw = FALSE; | |
8aa91443 | 55 | static boolean subChanMissing = FALSE; |
ef79bbde | 56 | |
deebc67f | 57 | static boolean multifile = FALSE; |
58 | ||
81abe4d5 | 59 | static unsigned char cdbuffer[CD_FRAMESIZE_RAW]; |
ef79bbde P |
60 | static unsigned char subbuffer[SUB_FRAMESIZE]; |
61 | ||
62 | static unsigned char sndbuffer[CD_FRAMESIZE_RAW * 10]; | |
63 | ||
64 | #define CDDA_FRAMETIME (1000 * (sizeof(sndbuffer) / CD_FRAMESIZE_RAW) / 75) | |
65 | ||
66 | #ifdef _WIN32 | |
67 | static HANDLE threadid; | |
68 | #else | |
69 | static pthread_t threadid; | |
70 | #endif | |
71 | static unsigned int initial_offset = 0; | |
38b8102c | 72 | static boolean playing = FALSE; |
ef79bbde | 73 | static boolean cddaBigEndian = FALSE; |
77160d47 | 74 | // cdda sectors in toc, byte offset in file |
9a92bffb | 75 | static unsigned int cdda_cur_sector; |
2058d51f | 76 | static unsigned int cdda_first_sector; |
77160d47 | 77 | static unsigned int cdda_file_offset; |
8aa91443 | 78 | /* Frame offset into CD image where pregap data would be found if it was there. |
79 | * If a game seeks there we must *not* return subchannel data since it's | |
80 | * not in the CD image, so that cdrom code can fake subchannel data instead. | |
81 | * XXX: there could be multiple pregaps but PSX dumps only have one? */ | |
82 | static unsigned int pregapOffset; | |
ef79bbde | 83 | |
deebc67f | 84 | #define cddaCurPos cdda_cur_sector |
85 | ||
9a92bffb | 86 | // compressed image stuff |
87 | static struct { | |
88 | unsigned char buff_raw[16][CD_FRAMESIZE_RAW]; | |
89 | unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100]; | |
cc376814 | 90 | off_t *index_table; |
9a92bffb | 91 | unsigned int index_len; |
0877957a | 92 | unsigned int block_shift; |
9a92bffb | 93 | unsigned int current_block; |
94 | unsigned int sector_in_blk; | |
95 | } *compr_img; | |
96 | ||
ce188d4d | 97 | static struct { |
98 | unsigned char (*buffer)[CD_FRAMESIZE_RAW + SUB_FRAMESIZE]; | |
99 | chd_file* chd; | |
100 | const chd_header* header; | |
101 | unsigned int sectors_per_hunk; | |
102 | unsigned int current_hunk; | |
103 | unsigned int sector_in_hunk; | |
104 | } *chd_img; | |
105 | ||
77160d47 | 106 | int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector); |
9a92bffb | 107 | |
ef79bbde P |
108 | char* CALLBACK CDR__getDriveLetter(void); |
109 | long CALLBACK CDR__configure(void); | |
110 | long CALLBACK CDR__test(void); | |
111 | void CALLBACK CDR__about(void); | |
112 | long CALLBACK CDR__setfilename(char *filename); | |
113 | long CALLBACK CDR__getStatus(struct CdrStat *stat); | |
114 | ||
19c03d80 | 115 | static void DecodeRawSubData(void); |
116 | ||
ef79bbde | 117 | struct trackinfo { |
deebc67f | 118 | enum {DATA=1, CDDA} type; |
ef79bbde P |
119 | char start[3]; // MSF-format |
120 | char length[3]; // MSF-format | |
38b8102c | 121 | FILE *handle; // for multi-track images CDDA |
77160d47 | 122 | unsigned int start_offset; // byte offset from start of above file |
ef79bbde P |
123 | }; |
124 | ||
125 | #define MAXTRACKS 100 /* How many tracks can a CD hold? */ | |
126 | ||
127 | static int numtracks = 0; | |
128 | static struct trackinfo ti[MAXTRACKS]; | |
129 | ||
130 | // get a sector from a msf-array | |
131 | static unsigned int msf2sec(char *msf) { | |
132 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; | |
133 | } | |
134 | ||
135 | static void sec2msf(unsigned int s, char *msf) { | |
136 | msf[0] = s / 75 / 60; | |
137 | s = s - msf[0] * 75 * 60; | |
138 | msf[1] = s / 75; | |
139 | s = s - msf[1] * 75; | |
140 | msf[2] = s; | |
141 | } | |
142 | ||
143 | // divide a string of xx:yy:zz into m, s, f | |
144 | static void tok2msf(char *time, char *msf) { | |
145 | char *token; | |
146 | ||
147 | token = strtok(time, ":"); | |
148 | if (token) { | |
149 | msf[0] = atoi(token); | |
150 | } | |
151 | else { | |
152 | msf[0] = 0; | |
153 | } | |
154 | ||
155 | token = strtok(NULL, ":"); | |
156 | if (token) { | |
157 | msf[1] = atoi(token); | |
158 | } | |
159 | else { | |
160 | msf[1] = 0; | |
161 | } | |
162 | ||
163 | token = strtok(NULL, ":"); | |
164 | if (token) { | |
165 | msf[2] = atoi(token); | |
166 | } | |
167 | else { | |
168 | msf[2] = 0; | |
169 | } | |
170 | } | |
171 | ||
172 | #ifndef _WIN32 | |
173 | static long GetTickCount(void) { | |
174 | static time_t initial_time = 0; | |
175 | struct timeval now; | |
176 | ||
177 | gettimeofday(&now, NULL); | |
178 | ||
179 | if (initial_time == 0) { | |
180 | initial_time = now.tv_sec; | |
181 | } | |
182 | ||
183 | return (now.tv_sec - initial_time) * 1000L + now.tv_usec / 1000L; | |
184 | } | |
185 | #endif | |
186 | ||
187 | // this thread plays audio data | |
188 | #ifdef _WIN32 | |
189 | static void playthread(void *param) | |
190 | #else | |
191 | static void *playthread(void *param) | |
192 | #endif | |
193 | { | |
983a7cfd | 194 | long osleep, d, t, i, s; |
ef79bbde | 195 | unsigned char tmp; |
77160d47 | 196 | int ret = 0, sector_offs; |
ef79bbde P |
197 | |
198 | t = GetTickCount(); | |
199 | ||
200 | while (playing) { | |
9a92bffb | 201 | s = 0; |
202 | for (i = 0; i < sizeof(sndbuffer) / CD_FRAMESIZE_RAW; i++) { | |
77160d47 | 203 | sector_offs = cdda_cur_sector - cdda_first_sector; |
204 | if (sector_offs < 0) { | |
205 | d = CD_FRAMESIZE_RAW; | |
206 | memset(sndbuffer + s, 0, d); | |
207 | } | |
208 | else { | |
209 | d = cdimg_read_func(cddaHandle, cdda_file_offset, | |
210 | sndbuffer + s, sector_offs); | |
211 | if (d < CD_FRAMESIZE_RAW) | |
212 | break; | |
213 | } | |
2058d51f | 214 | |
9a92bffb | 215 | s += d; |
216 | cdda_cur_sector++; | |
ef79bbde | 217 | } |
19c03d80 | 218 | |
ef79bbde P |
219 | if (s == 0) { |
220 | playing = FALSE; | |
ef79bbde P |
221 | initial_offset = 0; |
222 | break; | |
223 | } | |
224 | ||
225 | if (!cdr.Muted && playing) { | |
226 | if (cddaBigEndian) { | |
227 | for (i = 0; i < s / 2; i++) { | |
228 | tmp = sndbuffer[i * 2]; | |
229 | sndbuffer[i * 2] = sndbuffer[i * 2 + 1]; | |
230 | sndbuffer[i * 2 + 1] = tmp; | |
231 | } | |
232 | } | |
233 | ||
53598a71 | 234 | // can't do it yet due to readahead.. |
235 | //cdrAttenuate((short *)sndbuffer, s / 4, 1); | |
983a7cfd | 236 | do { |
237 | ret = SPU_playCDDAchannel((short *)sndbuffer, s); | |
238 | if (ret == 0x7761) | |
ce36c10b | 239 | { |
983a7cfd | 240 | usleep(6 * 1000); |
ce36c10b | 241 | } |
983a7cfd | 242 | } while (ret == 0x7761 && playing); // rearmed_wait |
ef79bbde | 243 | } |
983a7cfd | 244 | |
245 | if (ret != 0x676f) { // !rearmed_go | |
246 | // do approx sleep | |
247 | long now; | |
248 | ||
249 | // HACK: stop feeding data while emu is paused | |
250 | extern int stop; | |
251 | while (stop && playing) | |
ce36c10b | 252 | { |
983a7cfd | 253 | usleep(10000); |
ce36c10b | 254 | } |
983a7cfd | 255 | |
256 | now = GetTickCount(); | |
257 | osleep = t - now; | |
258 | if (osleep <= 0) { | |
259 | osleep = 1; | |
260 | t = now; | |
261 | } | |
262 | else if (osleep > CDDA_FRAMETIME) { | |
263 | osleep = CDDA_FRAMETIME; | |
264 | t = now; | |
265 | } | |
266 | ||
267 | usleep(osleep * 1000); | |
268 | t += CDDA_FRAMETIME; | |
269 | } | |
270 | ||
ef79bbde P |
271 | } |
272 | ||
273 | #ifdef _WIN32 | |
274 | _endthread(); | |
275 | #else | |
276 | pthread_exit(0); | |
277 | return NULL; | |
278 | #endif | |
279 | } | |
280 | ||
281 | // stop the CDDA playback | |
282 | static void stopCDDA() { | |
283 | if (!playing) { | |
284 | return; | |
285 | } | |
286 | ||
287 | playing = FALSE; | |
288 | #ifdef _WIN32 | |
289 | WaitForSingleObject(threadid, INFINITE); | |
290 | #else | |
291 | pthread_join(threadid, NULL); | |
292 | #endif | |
ef79bbde P |
293 | } |
294 | ||
295 | // start the CDDA playback | |
77160d47 | 296 | static void startCDDA(void) { |
ef79bbde | 297 | if (playing) { |
ef79bbde P |
298 | stopCDDA(); |
299 | } | |
300 | ||
ef79bbde P |
301 | playing = TRUE; |
302 | ||
303 | #ifdef _WIN32 | |
304 | threadid = (HANDLE)_beginthread(playthread, 0, NULL); | |
305 | #else | |
306 | pthread_create(&threadid, NULL, playthread, NULL); | |
307 | #endif | |
308 | } | |
309 | ||
310 | // this function tries to get the .toc file of the given .bin | |
311 | // the necessary data is put into the ti (trackinformation)-array | |
312 | static int parsetoc(const char *isofile) { | |
313 | char tocname[MAXPATHLEN]; | |
314 | FILE *fi; | |
e999be41 | 315 | char linebuf[256], tmp[256], name[256]; |
ef79bbde P |
316 | char *token; |
317 | char time[20], time2[20]; | |
e999be41 | 318 | unsigned int t, sector_offs, sector_size; |
319 | unsigned int current_zero_gap = 0; | |
ef79bbde P |
320 | |
321 | numtracks = 0; | |
322 | ||
323 | // copy name of the iso and change extension from .bin to .toc | |
324 | strncpy(tocname, isofile, sizeof(tocname)); | |
325 | tocname[MAXPATHLEN - 1] = '\0'; | |
326 | if (strlen(tocname) >= 4) { | |
327 | strcpy(tocname + strlen(tocname) - 4, ".toc"); | |
328 | } | |
329 | else { | |
330 | return -1; | |
331 | } | |
332 | ||
333 | if ((fi = fopen(tocname, "r")) == NULL) { | |
334 | // try changing extension to .cue (to satisfy some stupid tutorials) | |
335 | strcpy(tocname + strlen(tocname) - 4, ".cue"); | |
336 | if ((fi = fopen(tocname, "r")) == NULL) { | |
337 | // if filename is image.toc.bin, try removing .bin (for Brasero) | |
338 | strcpy(tocname, isofile); | |
339 | t = strlen(tocname); | |
340 | if (t >= 8 && strcmp(tocname + t - 8, ".toc.bin") == 0) { | |
341 | tocname[t - 4] = '\0'; | |
342 | if ((fi = fopen(tocname, "r")) == NULL) { | |
343 | return -1; | |
344 | } | |
345 | } | |
346 | else { | |
347 | return -1; | |
348 | } | |
349 | } | |
92f43ab0 | 350 | // check if it's really a TOC named as a .cue |
351 | fgets(linebuf, sizeof(linebuf), fi); | |
4295c491 | 352 | token = strtok(linebuf, " "); |
353 | if (token && strncmp(token, "CD", 2) != 0 && strcmp(token, "CATALOG") != 0) { | |
92f43ab0 | 354 | fclose(fi); |
355 | return -1; | |
356 | } | |
357 | fseek(fi, 0, SEEK_SET); | |
ef79bbde P |
358 | } |
359 | ||
360 | memset(&ti, 0, sizeof(ti)); | |
361 | cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio | |
362 | ||
e999be41 | 363 | sector_size = CD_FRAMESIZE_RAW; |
19c03d80 | 364 | sector_offs = 2 * 75; |
365 | ||
ef79bbde P |
366 | // parse the .toc file |
367 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
368 | // search for tracks | |
e999be41 | 369 | strncpy(tmp, linebuf, sizeof(linebuf)); |
370 | token = strtok(tmp, " "); | |
ef79bbde P |
371 | |
372 | if (token == NULL) continue; | |
373 | ||
374 | if (!strcmp(token, "TRACK")) { | |
e999be41 | 375 | sector_offs += current_zero_gap; |
376 | current_zero_gap = 0; | |
377 | ||
ef79bbde P |
378 | // get type of track |
379 | token = strtok(NULL, " "); | |
380 | numtracks++; | |
381 | ||
382 | if (!strncmp(token, "MODE2_RAW", 9)) { | |
383 | ti[numtracks].type = DATA; | |
384 | sec2msf(2 * 75, ti[numtracks].start); // assume data track on 0:2:0 | |
385 | ||
386 | // check if this image contains mixed subchannel data | |
387 | token = strtok(NULL, " "); | |
e999be41 | 388 | if (token != NULL && !strncmp(token, "RW", 2)) { |
389 | sector_size = CD_FRAMESIZE_RAW + SUB_FRAMESIZE; | |
ef79bbde | 390 | subChanMixed = TRUE; |
e999be41 | 391 | if (!strncmp(token, "RW_RAW", 6)) |
392 | subChanRaw = TRUE; | |
ef79bbde P |
393 | } |
394 | } | |
395 | else if (!strncmp(token, "AUDIO", 5)) { | |
396 | ti[numtracks].type = CDDA; | |
397 | } | |
398 | } | |
399 | else if (!strcmp(token, "DATAFILE")) { | |
400 | if (ti[numtracks].type == CDDA) { | |
401 | sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2); | |
19c03d80 | 402 | ti[numtracks].start_offset = t; |
e999be41 | 403 | t = t / sector_size + sector_offs; |
ef79bbde P |
404 | sec2msf(t, (char *)&ti[numtracks].start); |
405 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
406 | } | |
407 | else { | |
408 | sscanf(linebuf, "DATAFILE \"%[^\"]\" %8s", name, time); | |
409 | tok2msf((char *)&time, (char *)&ti[numtracks].length); | |
410 | } | |
411 | } | |
412 | else if (!strcmp(token, "FILE")) { | |
413 | sscanf(linebuf, "FILE \"%[^\"]\" #%d %8s %8s", name, &t, time, time2); | |
414 | tok2msf((char *)&time, (char *)&ti[numtracks].start); | |
e999be41 | 415 | t += msf2sec(ti[numtracks].start) * sector_size; |
19c03d80 | 416 | ti[numtracks].start_offset = t; |
e999be41 | 417 | t = t / sector_size + sector_offs; |
ef79bbde P |
418 | sec2msf(t, (char *)&ti[numtracks].start); |
419 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
420 | } | |
e999be41 | 421 | else if (!strcmp(token, "ZERO") || !strcmp(token, "SILENCE")) { |
422 | // skip unneeded optional fields | |
423 | while (token != NULL) { | |
424 | token = strtok(NULL, " "); | |
425 | if (strchr(token, ':') != NULL) | |
426 | break; | |
427 | } | |
428 | if (token != NULL) { | |
429 | tok2msf(token, tmp); | |
430 | current_zero_gap = msf2sec(tmp); | |
431 | } | |
8aa91443 | 432 | if (numtracks > 1) { |
433 | t = ti[numtracks - 1].start_offset; | |
e999be41 | 434 | t /= sector_size; |
8aa91443 | 435 | pregapOffset = t + msf2sec(ti[numtracks - 1].length); |
436 | } | |
19c03d80 | 437 | } |
e999be41 | 438 | else if (!strcmp(token, "START")) { |
439 | token = strtok(NULL, " "); | |
440 | if (token != NULL && strchr(token, ':')) { | |
441 | tok2msf(token, tmp); | |
442 | t = msf2sec(tmp); | |
443 | ti[numtracks].start_offset += (t - current_zero_gap) * sector_size; | |
444 | t = msf2sec(ti[numtracks].start) + t; | |
445 | sec2msf(t, (char *)&ti[numtracks].start); | |
446 | } | |
447 | } | |
ef79bbde P |
448 | } |
449 | ||
450 | fclose(fi); | |
451 | ||
452 | return 0; | |
453 | } | |
454 | ||
455 | // this function tries to get the .cue file of the given .bin | |
456 | // the necessary data is put into the ti (trackinformation)-array | |
457 | static int parsecue(const char *isofile) { | |
458 | char cuename[MAXPATHLEN]; | |
38b8102c | 459 | char filepath[MAXPATHLEN]; |
460 | char *incue_fname; | |
ef79bbde P |
461 | FILE *fi; |
462 | char *token; | |
463 | char time[20]; | |
464 | char *tmp; | |
19c03d80 | 465 | char linebuf[256], tmpb[256], dummy[256]; |
38b8102c | 466 | unsigned int incue_max_len; |
77160d47 | 467 | unsigned int t, file_len, mode, sector_offs; |
468 | unsigned int sector_size = 2352; | |
ef79bbde P |
469 | |
470 | numtracks = 0; | |
471 | ||
472 | // copy name of the iso and change extension from .bin to .cue | |
473 | strncpy(cuename, isofile, sizeof(cuename)); | |
474 | cuename[MAXPATHLEN - 1] = '\0'; | |
475 | if (strlen(cuename) >= 4) { | |
476 | strcpy(cuename + strlen(cuename) - 4, ".cue"); | |
477 | } | |
478 | else { | |
479 | return -1; | |
480 | } | |
481 | ||
482 | if ((fi = fopen(cuename, "r")) == NULL) { | |
483 | return -1; | |
484 | } | |
485 | ||
486 | // Some stupid tutorials wrongly tell users to use cdrdao to rip a | |
487 | // "bin/cue" image, which is in fact a "bin/toc" image. So let's check | |
488 | // that... | |
489 | if (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
490 | if (!strncmp(linebuf, "CD_ROM_XA", 9)) { | |
491 | // Don't proceed further, as this is actually a .toc file rather | |
492 | // than a .cue file. | |
493 | fclose(fi); | |
494 | return parsetoc(isofile); | |
495 | } | |
496 | fseek(fi, 0, SEEK_SET); | |
497 | } | |
498 | ||
38b8102c | 499 | // build a path for files referenced in .cue |
500 | strncpy(filepath, cuename, sizeof(filepath)); | |
22bbabf6 | 501 | tmp = strrchr(filepath, '/'); |
38b8102c | 502 | if (tmp == NULL) |
22bbabf6 | 503 | tmp = strrchr(filepath, '\\'); |
504 | if (tmp != NULL) | |
505 | tmp++; | |
506 | else | |
38b8102c | 507 | tmp = filepath; |
508 | *tmp = 0; | |
509 | filepath[sizeof(filepath) - 1] = 0; | |
510 | incue_fname = tmp; | |
511 | incue_max_len = sizeof(filepath) - (tmp - filepath) - 1; | |
512 | ||
ef79bbde P |
513 | memset(&ti, 0, sizeof(ti)); |
514 | ||
19c03d80 | 515 | file_len = 0; |
516 | sector_offs = 2 * 75; | |
517 | ||
ef79bbde P |
518 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { |
519 | strncpy(dummy, linebuf, sizeof(linebuf)); | |
520 | token = strtok(dummy, " "); | |
521 | ||
522 | if (token == NULL) { | |
523 | continue; | |
524 | } | |
525 | ||
19c03d80 | 526 | if (!strcmp(token, "TRACK")) { |
ef79bbde P |
527 | numtracks++; |
528 | ||
77160d47 | 529 | sector_size = 0; |
ef79bbde P |
530 | if (strstr(linebuf, "AUDIO") != NULL) { |
531 | ti[numtracks].type = CDDA; | |
77160d47 | 532 | sector_size = 2352; |
ef79bbde | 533 | } |
77160d47 | 534 | else if (sscanf(linebuf, " TRACK %u MODE%u/%u", &t, &mode, §or_size) == 3) |
ef79bbde | 535 | ti[numtracks].type = DATA; |
77160d47 | 536 | else { |
537 | SysPrintf(".cue: failed to parse TRACK\n"); | |
538 | ti[numtracks].type = numtracks == 1 ? DATA : CDDA; | |
ef79bbde | 539 | } |
77160d47 | 540 | if (sector_size == 0) |
541 | sector_size = 2352; | |
ef79bbde P |
542 | } |
543 | else if (!strcmp(token, "INDEX")) { | |
77160d47 | 544 | if (sscanf(linebuf, " INDEX %02d %8s", &t, time) != 2) |
545 | SysPrintf(".cue: failed to parse INDEX\n"); | |
19c03d80 | 546 | tok2msf(time, (char *)&ti[numtracks].start); |
ef79bbde | 547 | |
19c03d80 | 548 | t = msf2sec(ti[numtracks].start); |
77160d47 | 549 | ti[numtracks].start_offset = t * sector_size; |
19c03d80 | 550 | t += sector_offs; |
ef79bbde | 551 | sec2msf(t, ti[numtracks].start); |
19c03d80 | 552 | |
553 | // default track length to file length | |
77160d47 | 554 | t = file_len - ti[numtracks].start_offset / sector_size; |
19c03d80 | 555 | sec2msf(t, ti[numtracks].length); |
556 | ||
557 | if (numtracks > 1 && ti[numtracks].handle == NULL) { | |
558 | // this track uses the same file as the last, | |
559 | // start of this track is last track's end | |
560 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
561 | sec2msf(t, ti[numtracks - 1].length); | |
38b8102c | 562 | } |
8aa91443 | 563 | if (numtracks > 1 && pregapOffset == -1) |
77160d47 | 564 | pregapOffset = ti[numtracks].start_offset / sector_size; |
19c03d80 | 565 | } |
566 | else if (!strcmp(token, "PREGAP")) { | |
567 | if (sscanf(linebuf, " PREGAP %8s", time) == 1) { | |
568 | tok2msf(time, dummy); | |
569 | sector_offs += msf2sec(dummy); | |
38b8102c | 570 | } |
8aa91443 | 571 | pregapOffset = -1; // mark to fill track start_offset |
19c03d80 | 572 | } |
573 | else if (!strcmp(token, "FILE")) { | |
9a9bcd78 | 574 | t = sscanf(linebuf, " FILE \"%255[^\"]\"", tmpb); |
385c023b | 575 | if (t != 1) |
9a9bcd78 | 576 | sscanf(linebuf, " FILE %255s", tmpb); |
19c03d80 | 577 | |
6f4557bf | 578 | tmp = strrchr(tmpb, '\\'); |
579 | if (tmp == NULL) | |
580 | tmp = strrchr(tmpb, '/'); | |
581 | if (tmp != NULL) | |
582 | tmp++; | |
583 | else | |
584 | tmp = tmpb; | |
585 | strncpy(incue_fname, tmp, incue_max_len); | |
586 | ti[numtracks + 1].handle = fopen(filepath, "rb"); | |
ef79bbde | 587 | |
19c03d80 | 588 | // update global offset if this is not first file in this .cue |
deebc67f | 589 | if (numtracks + 1 > 1) { |
590 | multifile = 1; | |
19c03d80 | 591 | sector_offs += file_len; |
deebc67f | 592 | } |
19c03d80 | 593 | |
594 | file_len = 0; | |
38b8102c | 595 | if (ti[numtracks + 1].handle == NULL) { |
19c03d80 | 596 | SysPrintf(_("\ncould not open: %s\n"), filepath); |
597 | continue; | |
38b8102c | 598 | } |
19c03d80 | 599 | fseek(ti[numtracks + 1].handle, 0, SEEK_END); |
600 | file_len = ftell(ti[numtracks + 1].handle) / 2352; | |
601 | ||
602 | if (numtracks == 0 && strlen(isofile) >= 4 && | |
603 | strcmp(isofile + strlen(isofile) - 4, ".cue") == 0) | |
604 | { | |
38b8102c | 605 | // user selected .cue as image file, use it's data track instead |
606 | fclose(cdHandle); | |
607 | cdHandle = fopen(filepath, "rb"); | |
ef79bbde P |
608 | } |
609 | } | |
610 | } | |
611 | ||
612 | fclose(fi); | |
613 | ||
ef79bbde P |
614 | return 0; |
615 | } | |
616 | ||
617 | // this function tries to get the .ccd file of the given .img | |
618 | // the necessary data is put into the ti (trackinformation)-array | |
619 | static int parseccd(const char *isofile) { | |
620 | char ccdname[MAXPATHLEN]; | |
621 | FILE *fi; | |
622 | char linebuf[256]; | |
623 | unsigned int t; | |
624 | ||
625 | numtracks = 0; | |
626 | ||
627 | // copy name of the iso and change extension from .img to .ccd | |
628 | strncpy(ccdname, isofile, sizeof(ccdname)); | |
629 | ccdname[MAXPATHLEN - 1] = '\0'; | |
630 | if (strlen(ccdname) >= 4) { | |
631 | strcpy(ccdname + strlen(ccdname) - 4, ".ccd"); | |
632 | } | |
633 | else { | |
634 | return -1; | |
635 | } | |
636 | ||
637 | if ((fi = fopen(ccdname, "r")) == NULL) { | |
638 | return -1; | |
639 | } | |
640 | ||
641 | memset(&ti, 0, sizeof(ti)); | |
642 | ||
643 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
644 | if (!strncmp(linebuf, "[TRACK", 6)){ | |
645 | numtracks++; | |
646 | } | |
647 | else if (!strncmp(linebuf, "MODE=", 5)) { | |
648 | sscanf(linebuf, "MODE=%d", &t); | |
649 | ti[numtracks].type = ((t == 0) ? CDDA : DATA); | |
650 | } | |
651 | else if (!strncmp(linebuf, "INDEX 1=", 8)) { | |
652 | sscanf(linebuf, "INDEX 1=%d", &t); | |
653 | sec2msf(t + 2 * 75, ti[numtracks].start); | |
77160d47 | 654 | ti[numtracks].start_offset = t * 2352; |
ef79bbde P |
655 | |
656 | // If we've already seen another track, this is its end | |
657 | if (numtracks > 1) { | |
658 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
659 | sec2msf(t, ti[numtracks - 1].length); | |
660 | } | |
661 | } | |
662 | } | |
663 | ||
664 | fclose(fi); | |
665 | ||
666 | // Fill out the last track's end based on size | |
667 | if (numtracks >= 1) { | |
668 | fseek(cdHandle, 0, SEEK_END); | |
669 | t = ftell(cdHandle) / 2352 - msf2sec(ti[numtracks].start) + 2 * 75; | |
670 | sec2msf(t, ti[numtracks].length); | |
671 | } | |
672 | ||
673 | return 0; | |
674 | } | |
675 | ||
676 | // this function tries to get the .mds file of the given .mdf | |
677 | // the necessary data is put into the ti (trackinformation)-array | |
678 | static int parsemds(const char *isofile) { | |
679 | char mdsname[MAXPATHLEN]; | |
680 | FILE *fi; | |
681 | unsigned int offset, extra_offset, l, i; | |
682 | unsigned short s; | |
683 | ||
684 | numtracks = 0; | |
685 | ||
686 | // copy name of the iso and change extension from .mdf to .mds | |
687 | strncpy(mdsname, isofile, sizeof(mdsname)); | |
688 | mdsname[MAXPATHLEN - 1] = '\0'; | |
689 | if (strlen(mdsname) >= 4) { | |
690 | strcpy(mdsname + strlen(mdsname) - 4, ".mds"); | |
691 | } | |
692 | else { | |
693 | return -1; | |
694 | } | |
695 | ||
696 | if ((fi = fopen(mdsname, "rb")) == NULL) { | |
697 | return -1; | |
698 | } | |
699 | ||
700 | memset(&ti, 0, sizeof(ti)); | |
701 | ||
702 | // check if it's a valid mds file | |
703 | fread(&i, 1, sizeof(unsigned int), fi); | |
704 | i = SWAP32(i); | |
705 | if (i != 0x4944454D) { | |
706 | // not an valid mds file | |
707 | fclose(fi); | |
708 | return -1; | |
709 | } | |
710 | ||
711 | // get offset to session block | |
712 | fseek(fi, 0x50, SEEK_SET); | |
713 | fread(&offset, 1, sizeof(unsigned int), fi); | |
714 | offset = SWAP32(offset); | |
715 | ||
716 | // get total number of tracks | |
717 | offset += 14; | |
718 | fseek(fi, offset, SEEK_SET); | |
719 | fread(&s, 1, sizeof(unsigned short), fi); | |
720 | s = SWAP16(s); | |
721 | numtracks = s; | |
722 | ||
723 | // get offset to track blocks | |
724 | fseek(fi, 4, SEEK_CUR); | |
725 | fread(&offset, 1, sizeof(unsigned int), fi); | |
726 | offset = SWAP32(offset); | |
727 | ||
728 | // skip lead-in data | |
729 | while (1) { | |
730 | fseek(fi, offset + 4, SEEK_SET); | |
731 | if (fgetc(fi) < 0xA0) { | |
732 | break; | |
733 | } | |
734 | offset += 0x50; | |
735 | } | |
736 | ||
737 | // check if the image contains mixed subchannel data | |
738 | fseek(fi, offset + 1, SEEK_SET); | |
77160d47 | 739 | subChanMixed = subChanRaw = (fgetc(fi) ? TRUE : FALSE); |
ef79bbde P |
740 | |
741 | // read track data | |
742 | for (i = 1; i <= numtracks; i++) { | |
743 | fseek(fi, offset, SEEK_SET); | |
744 | ||
745 | // get the track type | |
746 | ti[i].type = ((fgetc(fi) == 0xA9) ? CDDA : DATA); | |
747 | fseek(fi, 8, SEEK_CUR); | |
748 | ||
749 | // get the track starting point | |
750 | ti[i].start[0] = fgetc(fi); | |
751 | ti[i].start[1] = fgetc(fi); | |
752 | ti[i].start[2] = fgetc(fi); | |
753 | ||
ef79bbde P |
754 | fread(&extra_offset, 1, sizeof(unsigned int), fi); |
755 | extra_offset = SWAP32(extra_offset); | |
756 | ||
19c03d80 | 757 | // get track start offset (in .mdf) |
758 | fseek(fi, offset + 0x28, SEEK_SET); | |
759 | fread(&l, 1, sizeof(unsigned int), fi); | |
760 | l = SWAP32(l); | |
77160d47 | 761 | ti[i].start_offset = l; |
19c03d80 | 762 | |
8aa91443 | 763 | // get pregap |
764 | fseek(fi, extra_offset, SEEK_SET); | |
765 | fread(&l, 1, sizeof(unsigned int), fi); | |
766 | l = SWAP32(l); | |
767 | if (l != 0 && i > 1) | |
77160d47 | 768 | pregapOffset = msf2sec(ti[i].start); |
8aa91443 | 769 | |
770 | // get the track length | |
771 | fread(&l, 1, sizeof(unsigned int), fi); | |
772 | l = SWAP32(l); | |
773 | sec2msf(l, ti[i].length); | |
774 | ||
ef79bbde P |
775 | offset += 0x50; |
776 | } | |
777 | ||
778 | fclose(fi); | |
779 | return 0; | |
780 | } | |
781 | ||
0877957a | 782 | static int handlepbp(const char *isofile) { |
9a92bffb | 783 | struct { |
784 | unsigned int sig; | |
785 | unsigned int dontcare[8]; | |
786 | unsigned int psar_offs; | |
787 | } pbp_hdr; | |
788 | struct { | |
789 | unsigned char type; | |
790 | unsigned char pad0; | |
791 | unsigned char track; | |
792 | char index0[3]; | |
793 | char pad1; | |
794 | char index1[3]; | |
795 | } toc_entry; | |
796 | struct { | |
797 | unsigned int offset; | |
798 | unsigned int size; | |
799 | unsigned int dontcare[6]; | |
800 | } index_entry; | |
0c2871a7 | 801 | char psar_sig[11]; |
cc376814 | 802 | off_t psisoimg_offs, cdimg_base; |
803 | unsigned int t, cd_length; | |
804 | unsigned int offsettab[8]; | |
9a92bffb | 805 | const char *ext = NULL; |
806 | int i, ret; | |
807 | ||
808 | if (strlen(isofile) >= 4) | |
809 | ext = isofile + strlen(isofile) - 4; | |
810 | if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0)) | |
811 | return -1; | |
812 | ||
cc376814 | 813 | fseeko(cdHandle, 0, SEEK_SET); |
9726a4af | 814 | |
9a92bffb | 815 | numtracks = 0; |
816 | ||
817 | ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle); | |
818 | if (ret != sizeof(pbp_hdr)) { | |
f29fbd53 | 819 | SysPrintf("failed to read pbp\n"); |
9a92bffb | 820 | goto fail_io; |
821 | } | |
822 | ||
cc376814 | 823 | ret = fseeko(cdHandle, pbp_hdr.psar_offs, SEEK_SET); |
9a92bffb | 824 | if (ret != 0) { |
f29fbd53 | 825 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs); |
9a92bffb | 826 | goto fail_io; |
827 | } | |
828 | ||
0c2871a7 | 829 | psisoimg_offs = pbp_hdr.psar_offs; |
9a92bffb | 830 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); |
0c2871a7 | 831 | psar_sig[10] = 0; |
832 | if (strcmp(psar_sig, "PSTITLEIMG") == 0) { | |
833 | // multidisk image? | |
cc376814 | 834 | ret = fseeko(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET); |
0c2871a7 | 835 | if (ret != 0) { |
f29fbd53 | 836 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs + 0x200); |
0c2871a7 | 837 | goto fail_io; |
838 | } | |
839 | ||
840 | if (fread(&offsettab, 1, sizeof(offsettab), cdHandle) != sizeof(offsettab)) { | |
f29fbd53 | 841 | SysPrintf("failed to read offsettab\n"); |
0c2871a7 | 842 | goto fail_io; |
843 | } | |
844 | ||
845 | for (i = 0; i < sizeof(offsettab) / sizeof(offsettab[0]); i++) { | |
846 | if (offsettab[i] == 0) | |
847 | break; | |
848 | } | |
849 | cdrIsoMultidiskCount = i; | |
850 | if (cdrIsoMultidiskCount == 0) { | |
f29fbd53 | 851 | SysPrintf("multidisk eboot has 0 images?\n"); |
0c2871a7 | 852 | goto fail_io; |
853 | } | |
854 | ||
855 | if (cdrIsoMultidiskSelect >= cdrIsoMultidiskCount) | |
856 | cdrIsoMultidiskSelect = 0; | |
857 | ||
858 | psisoimg_offs += offsettab[cdrIsoMultidiskSelect]; | |
859 | ||
cc376814 | 860 | ret = fseeko(cdHandle, psisoimg_offs, SEEK_SET); |
0c2871a7 | 861 | if (ret != 0) { |
cc376814 | 862 | SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs); |
0c2871a7 | 863 | goto fail_io; |
864 | } | |
865 | ||
866 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); | |
867 | psar_sig[10] = 0; | |
868 | } | |
869 | ||
870 | if (strcmp(psar_sig, "PSISOIMG00") != 0) { | |
f29fbd53 | 871 | SysPrintf("bad psar_sig: %s\n", psar_sig); |
9a92bffb | 872 | goto fail_io; |
873 | } | |
874 | ||
875 | // seek to TOC | |
cc376814 | 876 | ret = fseeko(cdHandle, psisoimg_offs + 0x800, SEEK_SET); |
9a92bffb | 877 | if (ret != 0) { |
cc376814 | 878 | SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs + 0x800); |
9a92bffb | 879 | goto fail_io; |
880 | } | |
881 | ||
882 | // first 3 entries are special | |
883 | fseek(cdHandle, sizeof(toc_entry), SEEK_CUR); | |
884 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
885 | numtracks = btoi(toc_entry.index1[0]); | |
886 | ||
887 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
888 | cd_length = btoi(toc_entry.index1[0]) * 60 * 75 + | |
889 | btoi(toc_entry.index1[1]) * 75 + btoi(toc_entry.index1[2]); | |
890 | ||
891 | for (i = 1; i <= numtracks; i++) { | |
892 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
893 | ||
894 | ti[i].type = (toc_entry.type == 1) ? CDDA : DATA; | |
895 | ||
896 | ti[i].start_offset = btoi(toc_entry.index0[0]) * 60 * 75 + | |
897 | btoi(toc_entry.index0[1]) * 75 + btoi(toc_entry.index0[2]); | |
77160d47 | 898 | ti[i].start_offset *= 2352; |
9a92bffb | 899 | ti[i].start[0] = btoi(toc_entry.index1[0]); |
900 | ti[i].start[1] = btoi(toc_entry.index1[1]); | |
901 | ti[i].start[2] = btoi(toc_entry.index1[2]); | |
902 | ||
903 | if (i > 1) { | |
904 | t = msf2sec(ti[i].start) - msf2sec(ti[i - 1].start); | |
905 | sec2msf(t, ti[i - 1].length); | |
906 | } | |
907 | } | |
77160d47 | 908 | t = cd_length - ti[numtracks].start_offset / 2352; |
9a92bffb | 909 | sec2msf(t, ti[numtracks].length); |
910 | ||
911 | // seek to ISO index | |
cc376814 | 912 | ret = fseeko(cdHandle, psisoimg_offs + 0x4000, SEEK_SET); |
9a92bffb | 913 | if (ret != 0) { |
f29fbd53 | 914 | SysPrintf("failed to seek to ISO index\n"); |
9a92bffb | 915 | goto fail_io; |
916 | } | |
917 | ||
918 | compr_img = calloc(1, sizeof(*compr_img)); | |
919 | if (compr_img == NULL) | |
920 | goto fail_io; | |
921 | ||
0877957a | 922 | compr_img->block_shift = 4; |
9a92bffb | 923 | compr_img->current_block = (unsigned int)-1; |
924 | ||
925 | compr_img->index_len = (0x100000 - 0x4000) / sizeof(index_entry); | |
926 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
927 | if (compr_img->index_table == NULL) | |
928 | goto fail_io; | |
929 | ||
0c2871a7 | 930 | cdimg_base = psisoimg_offs + 0x100000; |
9a92bffb | 931 | for (i = 0; i < compr_img->index_len; i++) { |
932 | ret = fread(&index_entry, 1, sizeof(index_entry), cdHandle); | |
933 | if (ret != sizeof(index_entry)) { | |
f29fbd53 | 934 | SysPrintf("failed to read index_entry #%d\n", i); |
9a92bffb | 935 | goto fail_index; |
936 | } | |
937 | ||
938 | if (index_entry.size == 0) | |
939 | break; | |
940 | ||
941 | compr_img->index_table[i] = cdimg_base + index_entry.offset; | |
942 | } | |
943 | compr_img->index_table[i] = cdimg_base + index_entry.offset + index_entry.size; | |
944 | ||
945 | return 0; | |
946 | ||
947 | fail_index: | |
948 | free(compr_img->index_table); | |
949 | compr_img->index_table = NULL; | |
950 | fail_io: | |
0877957a | 951 | if (compr_img != NULL) { |
952 | free(compr_img); | |
953 | compr_img = NULL; | |
954 | } | |
955 | return -1; | |
956 | } | |
957 | ||
958 | static int handlecbin(const char *isofile) { | |
959 | struct | |
960 | { | |
961 | char magic[4]; | |
962 | unsigned int header_size; | |
963 | unsigned long long total_bytes; | |
964 | unsigned int block_size; | |
965 | unsigned char ver; // 1 | |
966 | unsigned char align; | |
967 | unsigned char rsv_06[2]; | |
968 | } ciso_hdr; | |
969 | const char *ext = NULL; | |
cc376814 | 970 | unsigned int *index_table = NULL; |
0c2871a7 | 971 | unsigned int index = 0, plain; |
0877957a | 972 | int i, ret; |
973 | ||
974 | if (strlen(isofile) >= 5) | |
975 | ext = isofile + strlen(isofile) - 5; | |
976 | if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0)) | |
977 | return -1; | |
978 | ||
9726a4af | 979 | fseek(cdHandle, 0, SEEK_SET); |
980 | ||
0877957a | 981 | ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle); |
982 | if (ret != sizeof(ciso_hdr)) { | |
f29fbd53 | 983 | SysPrintf("failed to read ciso header\n"); |
0877957a | 984 | return -1; |
985 | } | |
986 | ||
987 | if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) { | |
f29fbd53 | 988 | SysPrintf("bad ciso header\n"); |
0877957a | 989 | return -1; |
990 | } | |
991 | if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) { | |
cc376814 | 992 | ret = fseeko(cdHandle, ciso_hdr.header_size, SEEK_SET); |
0877957a | 993 | if (ret != 0) { |
f29fbd53 | 994 | SysPrintf("failed to seek to %x\n", ciso_hdr.header_size); |
0877957a | 995 | return -1; |
996 | } | |
997 | } | |
998 | ||
999 | compr_img = calloc(1, sizeof(*compr_img)); | |
1000 | if (compr_img == NULL) | |
1001 | goto fail_io; | |
1002 | ||
1003 | compr_img->block_shift = 0; | |
1004 | compr_img->current_block = (unsigned int)-1; | |
1005 | ||
1006 | compr_img->index_len = ciso_hdr.total_bytes / ciso_hdr.block_size; | |
cc376814 | 1007 | index_table = malloc((compr_img->index_len + 1) * sizeof(index_table[0])); |
1008 | if (index_table == NULL) | |
0877957a | 1009 | goto fail_io; |
1010 | ||
cc376814 | 1011 | ret = fread(index_table, sizeof(index_table[0]), compr_img->index_len, cdHandle); |
0877957a | 1012 | if (ret != compr_img->index_len) { |
f29fbd53 | 1013 | SysPrintf("failed to read index table\n"); |
0877957a | 1014 | goto fail_index; |
1015 | } | |
1016 | ||
cc376814 | 1017 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); |
1018 | if (compr_img->index_table == NULL) | |
1019 | goto fail_index; | |
1020 | ||
0877957a | 1021 | for (i = 0; i < compr_img->index_len + 1; i++) { |
cc376814 | 1022 | index = index_table[i]; |
0877957a | 1023 | plain = index & 0x80000000; |
1024 | index &= 0x7fffffff; | |
cc376814 | 1025 | compr_img->index_table[i] = (off_t)index << ciso_hdr.align; |
1026 | if (plain) | |
1027 | compr_img->index_table[i] |= OFF_T_MSB; | |
0877957a | 1028 | } |
0877957a | 1029 | |
1030 | return 0; | |
1031 | ||
1032 | fail_index: | |
cc376814 | 1033 | free(index_table); |
0877957a | 1034 | fail_io: |
1035 | if (compr_img != NULL) { | |
1036 | free(compr_img); | |
1037 | compr_img = NULL; | |
1038 | } | |
9a92bffb | 1039 | return -1; |
1040 | } | |
1041 | ||
ce188d4d | 1042 | static int handlechd(const char *isofile) { |
1043 | chd_img = calloc(1, sizeof(*chd_img)); | |
1044 | if (chd_img == NULL) | |
1045 | goto fail_io; | |
1046 | ||
1047 | if(chd_open(isofile, CHD_OPEN_READ, NULL, &chd_img->chd) != CHDERR_NONE) | |
1048 | goto fail_io; | |
1049 | ||
1050 | chd_img->header = chd_get_header(chd_img->chd); | |
1051 | ||
1052 | chd_img->buffer = malloc(chd_img->header->hunkbytes); | |
1053 | if (chd_img->buffer == NULL) | |
1054 | goto fail_io; | |
1055 | ||
1056 | chd_img->sectors_per_hunk = chd_img->header->hunkbytes / (CD_FRAMESIZE_RAW + SUB_FRAMESIZE); | |
1057 | chd_img->current_hunk = (unsigned int)-1; | |
1058 | ||
1059 | cddaBigEndian = TRUE; | |
1060 | ||
1061 | numtracks = 0; | |
1062 | int frame_offset = 0; | |
1063 | memset(ti, 0, sizeof(ti)); | |
1064 | ||
1065 | while (1) | |
1066 | { | |
1067 | struct { | |
1068 | char type[64]; | |
1069 | char subtype[32]; | |
1070 | char pgtype[32]; | |
1071 | char pgsub[32]; | |
1072 | uint32_t track; | |
1073 | uint32_t frames; | |
1074 | uint32_t pregap; | |
1075 | uint32_t postgap; | |
1076 | } md = {}; | |
1077 | char meta[256]; | |
1078 | uint32_t meta_size = 0; | |
1079 | ||
1080 | if (chd_get_metadata(chd_img->chd, CDROM_TRACK_METADATA2_TAG, numtracks, meta, sizeof(meta), &meta_size, NULL, NULL) == CHDERR_NONE) | |
1081 | sscanf(meta, CDROM_TRACK_METADATA2_FORMAT, &md.track, md.type, md.subtype, &md.frames, &md.pregap, md.pgtype, md.pgsub, &md.postgap); | |
1082 | else if (chd_get_metadata(chd_img->chd, CDROM_TRACK_METADATA_TAG, numtracks, meta, sizeof(meta), &meta_size, NULL, NULL) == CHDERR_NONE) | |
1083 | sscanf(meta, CDROM_TRACK_METADATA_FORMAT, &md.track, md.type, md.subtype, &md.frames); | |
1084 | else | |
1085 | break; | |
1086 | ||
1087 | ti[md.track].type = !strncmp(md.type, "AUDIO", 5) ? CDDA : DATA; | |
1088 | ||
1089 | sec2msf(frame_offset + md.pregap, ti[md.track].start); | |
1090 | sec2msf(md.frames, ti[md.track].length); | |
1091 | ||
1092 | if (!strcmp(md.type, md.pgtype)) | |
1093 | frame_offset += md.pregap; | |
1094 | ||
1095 | ti[md.track].start_offset = frame_offset * CD_FRAMESIZE_RAW; | |
1096 | ||
1097 | frame_offset += (md.frames + 3) & ~3; | |
1098 | frame_offset += md.postgap; | |
1099 | numtracks++; | |
1100 | } | |
1101 | ||
1102 | if (numtracks) | |
1103 | return 0; | |
1104 | ||
1105 | fail_io: | |
1106 | if (chd_img != NULL) { | |
1107 | free(chd_img->buffer); | |
1108 | free(chd_img); | |
1109 | chd_img = NULL; | |
1110 | } | |
1111 | return -1; | |
1112 | } | |
1113 | ||
ef79bbde P |
1114 | // this function tries to get the .sub file of the given .img |
1115 | static int opensubfile(const char *isoname) { | |
1116 | char subname[MAXPATHLEN]; | |
1117 | ||
1118 | // copy name of the iso and change extension from .img to .sub | |
1119 | strncpy(subname, isoname, sizeof(subname)); | |
1120 | subname[MAXPATHLEN - 1] = '\0'; | |
1121 | if (strlen(subname) >= 4) { | |
1122 | strcpy(subname + strlen(subname) - 4, ".sub"); | |
1123 | } | |
1124 | else { | |
1125 | return -1; | |
1126 | } | |
1127 | ||
1128 | subHandle = fopen(subname, "rb"); | |
1129 | if (subHandle == NULL) { | |
1130 | return -1; | |
1131 | } | |
1132 | ||
1133 | return 0; | |
1134 | } | |
1135 | ||
ae4e7dc9 | 1136 | static int opensbifile(const char *isoname) { |
1137 | char sbiname[MAXPATHLEN]; | |
1138 | int s; | |
1139 | ||
1140 | strncpy(sbiname, isoname, sizeof(sbiname)); | |
1141 | sbiname[MAXPATHLEN - 1] = '\0'; | |
1142 | if (strlen(sbiname) >= 4) { | |
1143 | strcpy(sbiname + strlen(sbiname) - 4, ".sbi"); | |
1144 | } | |
1145 | else { | |
1146 | return -1; | |
1147 | } | |
1148 | ||
1149 | fseek(cdHandle, 0, SEEK_END); | |
1150 | s = ftell(cdHandle) / 2352; | |
1151 | ||
1152 | return LoadSBI(sbiname, s); | |
1153 | } | |
1154 | ||
77160d47 | 1155 | static int cdread_normal(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1156 | { |
77160d47 | 1157 | fseek(f, base + sector * CD_FRAMESIZE_RAW, SEEK_SET); |
81abe4d5 | 1158 | return fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1159 | } |
1160 | ||
77160d47 | 1161 | static int cdread_sub_mixed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1162 | { |
1163 | int ret; | |
1164 | ||
77160d47 | 1165 | fseek(f, base + sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET); |
81abe4d5 | 1166 | ret = fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1167 | fread(subbuffer, 1, SUB_FRAMESIZE, f); |
1168 | ||
1169 | if (subChanRaw) DecodeRawSubData(); | |
1170 | ||
1171 | return ret; | |
1172 | } | |
1173 | ||
2dd6a826 | 1174 | static int uncompress2_pcsx(void *out, unsigned long *out_size, void *in, unsigned long in_size) |
9a92bffb | 1175 | { |
1176 | static z_stream z; | |
1177 | int ret = 0; | |
1178 | ||
1179 | if (z.zalloc == NULL) { | |
1180 | // XXX: one-time leak here.. | |
1181 | z.next_in = Z_NULL; | |
1182 | z.avail_in = 0; | |
1183 | z.zalloc = Z_NULL; | |
1184 | z.zfree = Z_NULL; | |
1185 | z.opaque = Z_NULL; | |
1186 | ret = inflateInit2(&z, -15); | |
1187 | } | |
1188 | else | |
1189 | ret = inflateReset(&z); | |
1190 | if (ret != Z_OK) | |
1191 | return ret; | |
1192 | ||
1193 | z.next_in = in; | |
1194 | z.avail_in = in_size; | |
1195 | z.next_out = out; | |
1196 | z.avail_out = *out_size; | |
1197 | ||
1198 | ret = inflate(&z, Z_NO_FLUSH); | |
1199 | //inflateEnd(&z); | |
1200 | ||
1201 | *out_size -= z.avail_out; | |
1202 | return ret == 1 ? 0 : ret; | |
1203 | } | |
1204 | ||
77160d47 | 1205 | static int cdread_compressed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1206 | { |
0877957a | 1207 | unsigned long cdbuffer_size, cdbuffer_size_expect; |
cc376814 | 1208 | unsigned int size; |
0877957a | 1209 | int is_compressed; |
cc376814 | 1210 | off_t start_byte; |
9a92bffb | 1211 | int ret, block; |
1212 | ||
77160d47 | 1213 | if (base) |
1214 | sector += base / 2352; | |
1215 | ||
0877957a | 1216 | block = sector >> compr_img->block_shift; |
1217 | compr_img->sector_in_blk = sector & ((1 << compr_img->block_shift) - 1); | |
9a92bffb | 1218 | |
1219 | if (block == compr_img->current_block) { | |
1220 | //printf("hit sect %d\n", sector); | |
1221 | goto finish; | |
1222 | } | |
1223 | ||
1224 | if (sector >= compr_img->index_len * 16) { | |
f29fbd53 | 1225 | SysPrintf("sector %d is past img end\n", sector); |
9a92bffb | 1226 | return -1; |
1227 | } | |
1228 | ||
cc376814 | 1229 | start_byte = compr_img->index_table[block] & ~OFF_T_MSB; |
1230 | if (fseeko(cdHandle, start_byte, SEEK_SET) != 0) { | |
1231 | SysPrintf("seek error for block %d at %llx: ", | |
1232 | block, (long long)start_byte); | |
9a92bffb | 1233 | perror(NULL); |
1234 | return -1; | |
1235 | } | |
1236 | ||
cc376814 | 1237 | is_compressed = !(compr_img->index_table[block] & OFF_T_MSB); |
1238 | size = (compr_img->index_table[block + 1] & ~OFF_T_MSB) - start_byte; | |
9a92bffb | 1239 | if (size > sizeof(compr_img->buff_compressed)) { |
f29fbd53 | 1240 | SysPrintf("block %d is too large: %u\n", block, size); |
9a92bffb | 1241 | return -1; |
1242 | } | |
1243 | ||
0877957a | 1244 | if (fread(is_compressed ? compr_img->buff_compressed : compr_img->buff_raw[0], |
1245 | 1, size, cdHandle) != size) { | |
f29fbd53 | 1246 | SysPrintf("read error for block %d at %x: ", block, start_byte); |
9a92bffb | 1247 | perror(NULL); |
1248 | return -1; | |
1249 | } | |
1250 | ||
0877957a | 1251 | if (is_compressed) { |
1252 | cdbuffer_size_expect = sizeof(compr_img->buff_raw[0]) << compr_img->block_shift; | |
1253 | cdbuffer_size = cdbuffer_size_expect; | |
2dd6a826 | 1254 | ret = uncompress2_pcsx(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size); |
0877957a | 1255 | if (ret != 0) { |
f29fbd53 | 1256 | SysPrintf("uncompress failed with %d for block %d, sector %d\n", |
0877957a | 1257 | ret, block, sector); |
1258 | return -1; | |
1259 | } | |
1260 | if (cdbuffer_size != cdbuffer_size_expect) | |
f29fbd53 | 1261 | SysPrintf("cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size, |
0877957a | 1262 | cdbuffer_size_expect, sector); |
9a92bffb | 1263 | } |
9a92bffb | 1264 | |
1265 | // done at last! | |
1266 | compr_img->current_block = block; | |
1267 | ||
1268 | finish: | |
1269 | if (dest != cdbuffer) // copy avoid HACK | |
81abe4d5 | 1270 | memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk], |
1271 | CD_FRAMESIZE_RAW); | |
1272 | return CD_FRAMESIZE_RAW; | |
9a92bffb | 1273 | } |
1274 | ||
ce188d4d | 1275 | static int cdread_chd(FILE *f, unsigned int base, void *dest, int sector) |
1276 | { | |
1277 | int hunk; | |
1278 | ||
1279 | if (base) | |
1280 | sector += base / CD_FRAMESIZE_RAW; | |
1281 | ||
1282 | hunk = sector / chd_img->sectors_per_hunk; | |
1283 | chd_img->sector_in_hunk = sector % chd_img->sectors_per_hunk; | |
1284 | ||
1285 | if (hunk == chd_img->current_hunk) | |
1286 | goto finish; | |
1287 | ||
1288 | chd_read(chd_img->chd, hunk, chd_img->buffer); | |
1289 | ||
1290 | chd_img->current_hunk = hunk; | |
1291 | ||
1292 | finish: | |
1293 | if (dest != cdbuffer) // copy avoid HACK | |
1294 | memcpy(dest, chd_img->buffer[chd_img->sector_in_hunk], | |
1295 | CD_FRAMESIZE_RAW); | |
1296 | return CD_FRAMESIZE_RAW; | |
1297 | } | |
1298 | ||
77160d47 | 1299 | static int cdread_2048(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1300 | { |
1301 | int ret; | |
1302 | ||
77160d47 | 1303 | fseek(f, base + sector * 2048, SEEK_SET); |
81abe4d5 | 1304 | ret = fread((char *)dest + 12 * 2, 1, 2048, f); |
9a92bffb | 1305 | |
1306 | // not really necessary, fake mode 2 header | |
81abe4d5 | 1307 | memset(cdbuffer, 0, 12 * 2); |
1308 | sec2msf(sector + 2 * 75, (char *)&cdbuffer[12]); | |
1309 | cdbuffer[12 + 3] = 1; | |
9a92bffb | 1310 | |
1311 | return ret; | |
1312 | } | |
1313 | ||
1314 | static unsigned char * CALLBACK ISOgetBuffer_compr(void) { | |
1315 | return compr_img->buff_raw[compr_img->sector_in_blk] + 12; | |
1316 | } | |
1317 | ||
ce188d4d | 1318 | static unsigned char * CALLBACK ISOgetBuffer_chd(void) { |
1319 | return chd_img->buffer[chd_img->sector_in_hunk] + 12; | |
1320 | } | |
1321 | ||
9a92bffb | 1322 | static unsigned char * CALLBACK ISOgetBuffer(void) { |
81abe4d5 | 1323 | return cdbuffer + 12; |
9a92bffb | 1324 | } |
1325 | ||
ef79bbde P |
1326 | static void PrintTracks(void) { |
1327 | int i; | |
1328 | ||
1329 | for (i = 1; i <= numtracks; i++) { | |
1330 | SysPrintf(_("Track %.2d (%s) - Start %.2d:%.2d:%.2d, Length %.2d:%.2d:%.2d\n"), | |
1331 | i, (ti[i].type == DATA ? "DATA" : "AUDIO"), | |
1332 | ti[i].start[0], ti[i].start[1], ti[i].start[2], | |
1333 | ti[i].length[0], ti[i].length[1], ti[i].length[2]); | |
1334 | } | |
1335 | } | |
1336 | ||
1337 | // This function is invoked by the front-end when opening an ISO | |
1338 | // file for playback | |
1339 | static long CALLBACK ISOopen(void) { | |
9a92bffb | 1340 | boolean isMode1ISO = FALSE; |
689e0447 | 1341 | char alt_bin_filename[MAXPATHLEN]; |
1342 | const char *bin_filename; | |
9a92bffb | 1343 | |
ef79bbde P |
1344 | if (cdHandle != NULL) { |
1345 | return 0; // it's already open | |
1346 | } | |
1347 | ||
1348 | cdHandle = fopen(GetIsoFile(), "rb"); | |
1349 | if (cdHandle == NULL) { | |
2e058581 | 1350 | SysPrintf(_("Could't open '%s' for reading: %s\n"), |
1351 | GetIsoFile(), strerror(errno)); | |
ef79bbde P |
1352 | return -1; |
1353 | } | |
1354 | ||
1355 | SysPrintf(_("Loaded CD Image: %s"), GetIsoFile()); | |
1356 | ||
1357 | cddaBigEndian = FALSE; | |
1358 | subChanMixed = FALSE; | |
1359 | subChanRaw = FALSE; | |
8aa91443 | 1360 | pregapOffset = 0; |
0c2871a7 | 1361 | cdrIsoMultidiskCount = 1; |
deebc67f | 1362 | multifile = 0; |
ef79bbde | 1363 | |
9a92bffb | 1364 | CDR_getBuffer = ISOgetBuffer; |
1365 | cdimg_read_func = cdread_normal; | |
1366 | ||
92f43ab0 | 1367 | if (parsetoc(GetIsoFile()) == 0) { |
ef79bbde P |
1368 | SysPrintf("[+toc]"); |
1369 | } | |
1370 | else if (parseccd(GetIsoFile()) == 0) { | |
1371 | SysPrintf("[+ccd]"); | |
1372 | } | |
1373 | else if (parsemds(GetIsoFile()) == 0) { | |
1374 | SysPrintf("[+mds]"); | |
1375 | } | |
92f43ab0 | 1376 | else if (parsecue(GetIsoFile()) == 0) { |
1377 | SysPrintf("[+cue]"); | |
1378 | } | |
0877957a | 1379 | if (handlepbp(GetIsoFile()) == 0) { |
9a92bffb | 1380 | SysPrintf("[pbp]"); |
1381 | CDR_getBuffer = ISOgetBuffer_compr; | |
1382 | cdimg_read_func = cdread_compressed; | |
1383 | } | |
0877957a | 1384 | else if (handlecbin(GetIsoFile()) == 0) { |
1385 | SysPrintf("[cbin]"); | |
1386 | CDR_getBuffer = ISOgetBuffer_compr; | |
1387 | cdimg_read_func = cdread_compressed; | |
1388 | } | |
ce188d4d | 1389 | else if (handlechd(GetIsoFile()) == 0) { |
1390 | SysPrintf("[chd]"); | |
1391 | CDR_getBuffer = ISOgetBuffer_chd; | |
1392 | cdimg_read_func = cdread_chd; | |
1393 | } | |
ef79bbde P |
1394 | |
1395 | if (!subChanMixed && opensubfile(GetIsoFile()) == 0) { | |
1396 | SysPrintf("[+sub]"); | |
1397 | } | |
ae4e7dc9 | 1398 | if (opensbifile(GetIsoFile()) == 0) { |
1399 | SysPrintf("[+sbi]"); | |
1400 | } | |
ef79bbde | 1401 | |
cc376814 | 1402 | fseeko(cdHandle, 0, SEEK_END); |
c9e5423e | 1403 | |
1404 | // maybe user selected metadata file instead of main .bin .. | |
689e0447 | 1405 | bin_filename = GetIsoFile(); |
cc376814 | 1406 | if (ftello(cdHandle) < 2352 * 0x10) { |
c9e5423e | 1407 | static const char *exts[] = { ".bin", ".BIN", ".img", ".IMG" }; |
689e0447 | 1408 | FILE *tmpf = NULL; |
c9e5423e | 1409 | size_t i; |
689e0447 | 1410 | char *p; |
c9e5423e | 1411 | |
689e0447 | 1412 | strncpy(alt_bin_filename, bin_filename, sizeof(alt_bin_filename)); |
1413 | alt_bin_filename[MAXPATHLEN - 1] = '\0'; | |
1414 | if (strlen(alt_bin_filename) >= 4) { | |
1415 | p = alt_bin_filename + strlen(alt_bin_filename) - 4; | |
c9e5423e | 1416 | for (i = 0; i < sizeof(exts) / sizeof(exts[0]); i++) { |
1417 | strcpy(p, exts[i]); | |
689e0447 | 1418 | tmpf = fopen(alt_bin_filename, "rb"); |
1419 | if (tmpf != NULL) | |
c9e5423e | 1420 | break; |
c9e5423e | 1421 | } |
1422 | } | |
689e0447 | 1423 | if (tmpf != NULL) { |
1424 | bin_filename = alt_bin_filename; | |
1425 | fclose(cdHandle); | |
1426 | cdHandle = tmpf; | |
cc376814 | 1427 | fseeko(cdHandle, 0, SEEK_END); |
689e0447 | 1428 | } |
c9e5423e | 1429 | } |
1430 | ||
1431 | // guess whether it is mode1/2048 | |
cc376814 | 1432 | if (ftello(cdHandle) % 2048 == 0) { |
9a92bffb | 1433 | unsigned int modeTest = 0; |
1434 | fseek(cdHandle, 0, SEEK_SET); | |
1435 | fread(&modeTest, 4, 1, cdHandle); | |
1436 | if (SWAP32(modeTest) != 0xffffff00) { | |
1437 | SysPrintf("[2048]"); | |
1438 | isMode1ISO = TRUE; | |
1439 | } | |
1440 | } | |
1441 | fseek(cdHandle, 0, SEEK_SET); | |
1442 | ||
ef79bbde P |
1443 | SysPrintf(".\n"); |
1444 | ||
1445 | PrintTracks(); | |
1446 | ||
9a92bffb | 1447 | if (subChanMixed) |
1448 | cdimg_read_func = cdread_sub_mixed; | |
1449 | else if (isMode1ISO) | |
1450 | cdimg_read_func = cdread_2048; | |
1451 | ||
38b8102c | 1452 | // make sure we have another handle open for cdda |
1453 | if (numtracks > 1 && ti[1].handle == NULL) { | |
689e0447 | 1454 | ti[1].handle = fopen(bin_filename, "rb"); |
38b8102c | 1455 | } |
77160d47 | 1456 | cdda_cur_sector = 0; |
1457 | cdda_file_offset = 0; | |
38b8102c | 1458 | |
ef79bbde P |
1459 | return 0; |
1460 | } | |
1461 | ||
1462 | static long CALLBACK ISOclose(void) { | |
38b8102c | 1463 | int i; |
1464 | ||
ef79bbde P |
1465 | if (cdHandle != NULL) { |
1466 | fclose(cdHandle); | |
1467 | cdHandle = NULL; | |
1468 | } | |
1469 | if (subHandle != NULL) { | |
1470 | fclose(subHandle); | |
1471 | subHandle = NULL; | |
1472 | } | |
1473 | stopCDDA(); | |
38b8102c | 1474 | cddaHandle = NULL; |
1475 | ||
9a92bffb | 1476 | if (compr_img != NULL) { |
1477 | free(compr_img->index_table); | |
1478 | free(compr_img); | |
1479 | compr_img = NULL; | |
1480 | } | |
1481 | ||
ce188d4d | 1482 | if (chd_img != NULL) { |
1483 | chd_close(chd_img->chd); | |
1484 | free(chd_img->buffer); | |
1485 | free(chd_img); | |
1486 | chd_img = NULL; | |
1487 | } | |
1488 | ||
38b8102c | 1489 | for (i = 1; i <= numtracks; i++) { |
1490 | if (ti[i].handle != NULL) { | |
1491 | fclose(ti[i].handle); | |
1492 | ti[i].handle = NULL; | |
1493 | } | |
1494 | } | |
1495 | numtracks = 0; | |
c0ee7ac6 | 1496 | ti[1].type = 0; |
ae4e7dc9 | 1497 | UnloadSBI(); |
38b8102c | 1498 | |
c0ee7ac6 | 1499 | memset(cdbuffer, 0, sizeof(cdbuffer)); |
1500 | CDR_getBuffer = ISOgetBuffer; | |
1501 | ||
38b8102c | 1502 | return 0; |
1503 | } | |
1504 | ||
1505 | static long CALLBACK ISOinit(void) { | |
1506 | assert(cdHandle == NULL); | |
1507 | assert(subHandle == NULL); | |
1508 | ||
1509 | return 0; // do nothing | |
1510 | } | |
1511 | ||
1512 | static long CALLBACK ISOshutdown(void) { | |
1513 | ISOclose(); | |
ef79bbde P |
1514 | return 0; |
1515 | } | |
1516 | ||
1517 | // return Starting and Ending Track | |
1518 | // buffer: | |
1519 | // byte 0 - start track | |
1520 | // byte 1 - end track | |
1521 | static long CALLBACK ISOgetTN(unsigned char *buffer) { | |
1522 | buffer[0] = 1; | |
1523 | ||
1524 | if (numtracks > 0) { | |
1525 | buffer[1] = numtracks; | |
1526 | } | |
1527 | else { | |
1528 | buffer[1] = 1; | |
1529 | } | |
1530 | ||
1531 | return 0; | |
1532 | } | |
1533 | ||
1534 | // return Track Time | |
1535 | // buffer: | |
1536 | // byte 0 - frame | |
1537 | // byte 1 - second | |
1538 | // byte 2 - minute | |
1539 | static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) { | |
858ad511 | 1540 | if (track == 0) { |
858ad511 | 1541 | unsigned int sect; |
1542 | unsigned char time[3]; | |
1543 | sect = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length); | |
ab948f7e | 1544 | sec2msf(sect, (char *)time); |
858ad511 | 1545 | buffer[2] = time[0]; |
1546 | buffer[1] = time[1]; | |
1547 | buffer[0] = time[2]; | |
1548 | } | |
1549 | else if (numtracks > 0 && track <= numtracks) { | |
ef79bbde P |
1550 | buffer[2] = ti[track].start[0]; |
1551 | buffer[1] = ti[track].start[1]; | |
1552 | buffer[0] = ti[track].start[2]; | |
1553 | } | |
1554 | else { | |
1555 | buffer[2] = 0; | |
1556 | buffer[1] = 2; | |
1557 | buffer[0] = 0; | |
1558 | } | |
1559 | ||
1560 | return 0; | |
1561 | } | |
1562 | ||
1563 | // decode 'raw' subchannel data ripped by cdrdao | |
1564 | static void DecodeRawSubData(void) { | |
1565 | unsigned char subQData[12]; | |
1566 | int i; | |
1567 | ||
1568 | memset(subQData, 0, sizeof(subQData)); | |
1569 | ||
1570 | for (i = 0; i < 8 * 12; i++) { | |
1571 | if (subbuffer[i] & (1 << 6)) { // only subchannel Q is needed | |
1572 | subQData[i >> 3] |= (1 << (7 - (i & 7))); | |
1573 | } | |
1574 | } | |
1575 | ||
1576 | memcpy(&subbuffer[12], subQData, 12); | |
1577 | } | |
1578 | ||
1579 | // read track | |
1580 | // time: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1581 | // uses bcd format | |
1582 | static long CALLBACK ISOreadTrack(unsigned char *time) { | |
19c03d80 | 1583 | int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])); |
c0ee7ac6 | 1584 | long ret; |
19c03d80 | 1585 | |
ef79bbde P |
1586 | if (cdHandle == NULL) { |
1587 | return -1; | |
1588 | } | |
1589 | ||
8aa91443 | 1590 | if (pregapOffset) { |
1591 | subChanMissing = FALSE; | |
1592 | if (sector >= pregapOffset) { | |
1593 | sector -= 2 * 75; | |
1594 | if (sector < pregapOffset) | |
1595 | subChanMissing = TRUE; | |
1596 | } | |
1597 | } | |
1598 | ||
c0ee7ac6 | 1599 | ret = cdimg_read_func(cdHandle, 0, cdbuffer, sector); |
1600 | if (ret < 0) | |
1601 | return -1; | |
ef79bbde | 1602 | |
9a92bffb | 1603 | if (subHandle != NULL) { |
1604 | fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET); | |
1605 | fread(subbuffer, 1, SUB_FRAMESIZE, subHandle); | |
ef79bbde | 1606 | |
9a92bffb | 1607 | if (subChanRaw) DecodeRawSubData(); |
ef79bbde P |
1608 | } |
1609 | ||
1610 | return 0; | |
1611 | } | |
1612 | ||
ef79bbde P |
1613 | // plays cdda audio |
1614 | // sector: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1615 | // does NOT uses bcd format | |
1616 | static long CALLBACK ISOplay(unsigned char *time) { | |
77160d47 | 1617 | unsigned int i; |
38b8102c | 1618 | |
7b8da7ab | 1619 | if (numtracks <= 1) |
1620 | return 0; | |
1621 | ||
38b8102c | 1622 | // find the track |
77160d47 | 1623 | cdda_cur_sector = msf2sec((char *)time); |
2058d51f | 1624 | for (i = numtracks; i > 1; i--) { |
77160d47 | 1625 | cdda_first_sector = msf2sec(ti[i].start); |
1626 | if (cdda_first_sector <= cdda_cur_sector + 2 * 75) | |
38b8102c | 1627 | break; |
2058d51f | 1628 | } |
77160d47 | 1629 | cdda_file_offset = ti[i].start_offset; |
19c03d80 | 1630 | |
38b8102c | 1631 | // find the file that contains this track |
1632 | for (; i > 1; i--) | |
1633 | if (ti[i].handle != NULL) | |
1634 | break; | |
1635 | ||
2058d51f | 1636 | cddaHandle = ti[i].handle; |
8aa91443 | 1637 | |
77160d47 | 1638 | if (SPU_playCDDAchannel != NULL) |
1639 | startCDDA(); | |
1640 | ||
ef79bbde P |
1641 | return 0; |
1642 | } | |
1643 | ||
1644 | // stops cdda audio | |
1645 | static long CALLBACK ISOstop(void) { | |
1646 | stopCDDA(); | |
1647 | return 0; | |
1648 | } | |
1649 | ||
1650 | // gets subchannel data | |
1651 | static unsigned char* CALLBACK ISOgetBufferSub(void) { | |
8aa91443 | 1652 | if ((subHandle != NULL || subChanMixed) && !subChanMissing) { |
ef79bbde P |
1653 | return subbuffer; |
1654 | } | |
1655 | ||
1656 | return NULL; | |
1657 | } | |
1658 | ||
1659 | static long CALLBACK ISOgetStatus(struct CdrStat *stat) { | |
deebc67f | 1660 | u32 sect; |
1661 | ||
ef79bbde | 1662 | CDR__getStatus(stat); |
deebc67f | 1663 | |
ef79bbde P |
1664 | if (playing) { |
1665 | stat->Type = 0x02; | |
1666 | stat->Status |= 0x80; | |
ef79bbde P |
1667 | } |
1668 | else { | |
deebc67f | 1669 | // BIOS - boot ID (CD type) |
1670 | stat->Type = ti[1].type; | |
1671 | } | |
1672 | ||
1673 | // relative -> absolute time | |
1674 | sect = cddaCurPos; | |
1675 | sec2msf(sect, (char *)stat->Time); | |
1676 | ||
1677 | return 0; | |
1678 | } | |
1679 | ||
1680 | // read CDDA sector into buffer | |
1681 | long CALLBACK ISOreadCDDA(unsigned char m, unsigned char s, unsigned char f, unsigned char *buffer) { | |
1682 | unsigned char msf[3] = {m, s, f}; | |
1683 | unsigned int file, track, track_start = 0; | |
1684 | int ret; | |
1685 | ||
1686 | cddaCurPos = msf2sec((char *)msf); | |
1687 | ||
1688 | // find current track index | |
1689 | for (track = numtracks; ; track--) { | |
1690 | track_start = msf2sec(ti[track].start); | |
1691 | if (track_start <= cddaCurPos) | |
1692 | break; | |
1693 | if (track == 1) | |
1694 | break; | |
1695 | } | |
1696 | ||
1697 | // data tracks play silent | |
1698 | if (ti[track].type != CDDA) { | |
1699 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
1700 | return 0; | |
1701 | } | |
1702 | ||
1703 | file = 1; | |
1704 | if (multifile) { | |
1705 | // find the file that contains this track | |
1706 | for (file = track; file > 1; file--) | |
1707 | if (ti[file].handle != NULL) | |
1708 | break; | |
ef79bbde P |
1709 | } |
1710 | ||
deebc67f | 1711 | ret = cdimg_read_func(ti[file].handle, ti[track].start_offset, |
1712 | buffer, cddaCurPos - track_start); | |
1713 | if (ret != CD_FRAMESIZE_RAW) { | |
1714 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
1715 | return -1; | |
1716 | } | |
1717 | ||
1718 | if (cddaBigEndian) { | |
1719 | int i; | |
1720 | unsigned char tmp; | |
1721 | ||
1722 | for (i = 0; i < CD_FRAMESIZE_RAW / 2; i++) { | |
1723 | tmp = buffer[i * 2]; | |
1724 | buffer[i * 2] = buffer[i * 2 + 1]; | |
1725 | buffer[i * 2 + 1] = tmp; | |
1726 | } | |
1727 | } | |
858ad511 | 1728 | |
ef79bbde P |
1729 | return 0; |
1730 | } | |
1731 | ||
1732 | void cdrIsoInit(void) { | |
1733 | CDR_init = ISOinit; | |
1734 | CDR_shutdown = ISOshutdown; | |
1735 | CDR_open = ISOopen; | |
1736 | CDR_close = ISOclose; | |
1737 | CDR_getTN = ISOgetTN; | |
1738 | CDR_getTD = ISOgetTD; | |
1739 | CDR_readTrack = ISOreadTrack; | |
1740 | CDR_getBuffer = ISOgetBuffer; | |
1741 | CDR_play = ISOplay; | |
1742 | CDR_stop = ISOstop; | |
1743 | CDR_getBufferSub = ISOgetBufferSub; | |
1744 | CDR_getStatus = ISOgetStatus; | |
deebc67f | 1745 | CDR_readCDDA = ISOreadCDDA; |
ef79bbde P |
1746 | |
1747 | CDR_getDriveLetter = CDR__getDriveLetter; | |
1748 | CDR_configure = CDR__configure; | |
1749 | CDR_test = CDR__test; | |
1750 | CDR_about = CDR__about; | |
1751 | CDR_setfilename = CDR__setfilename; | |
1752 | ||
1753 | numtracks = 0; | |
1754 | } | |
1755 | ||
1756 | int cdrIsoActive(void) { | |
1757 | return (cdHandle != NULL); | |
1758 | } |