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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> | |
b0ec2e6d | 30 | #ifdef HAVE_CHD |
ce188d4d | 31 | #include <chd.h> |
b0ec2e6d | 32 | #endif |
f9fb1cf7 | 33 | |
ef79bbde | 34 | #ifdef _WIN32 |
003cfc63 | 35 | #define WIN32_LEAN_AND_MEAN |
ef79bbde P |
36 | #include <process.h> |
37 | #include <windows.h> | |
deebc67f | 38 | #define strcasecmp _stricmp |
ce36c10b | 39 | #define usleep(x) (Sleep((x) / 1000)) |
ef79bbde P |
40 | #else |
41 | #include <pthread.h> | |
42 | #include <sys/time.h> | |
349f7d81 | 43 | #include <unistd.h> |
ef79bbde P |
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 | ||
b0ec2e6d | 99 | #ifdef HAVE_CHD |
ce188d4d | 100 | static 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; | |
b0ec2e6d | 108 | #endif |
ce188d4d | 109 | |
77160d47 | 110 | int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector); |
9a92bffb | 111 | |
ef79bbde P |
112 | char* CALLBACK CDR__getDriveLetter(void); |
113 | long CALLBACK CDR__configure(void); | |
114 | long CALLBACK CDR__test(void); | |
115 | void CALLBACK CDR__about(void); | |
116 | long CALLBACK CDR__setfilename(char *filename); | |
117 | long CALLBACK CDR__getStatus(struct CdrStat *stat); | |
118 | ||
19c03d80 | 119 | static void DecodeRawSubData(void); |
120 | ||
ef79bbde | 121 | struct trackinfo { |
deebc67f | 122 | enum {DATA=1, CDDA} type; |
ef79bbde P |
123 | char start[3]; // MSF-format |
124 | char length[3]; // MSF-format | |
38b8102c | 125 | FILE *handle; // for multi-track images CDDA |
77160d47 | 126 | unsigned int start_offset; // byte offset from start of above file |
ef79bbde P |
127 | }; |
128 | ||
129 | #define MAXTRACKS 100 /* How many tracks can a CD hold? */ | |
130 | ||
131 | static int numtracks = 0; | |
132 | static struct trackinfo ti[MAXTRACKS]; | |
133 | ||
134 | // get a sector from a msf-array | |
135 | static unsigned int msf2sec(char *msf) { | |
136 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; | |
137 | } | |
138 | ||
139 | static void sec2msf(unsigned int s, char *msf) { | |
140 | msf[0] = s / 75 / 60; | |
141 | s = s - msf[0] * 75 * 60; | |
142 | msf[1] = s / 75; | |
143 | s = s - msf[1] * 75; | |
144 | msf[2] = s; | |
145 | } | |
146 | ||
147 | // divide a string of xx:yy:zz into m, s, f | |
148 | static void tok2msf(char *time, char *msf) { | |
149 | char *token; | |
150 | ||
151 | token = strtok(time, ":"); | |
152 | if (token) { | |
153 | msf[0] = atoi(token); | |
154 | } | |
155 | else { | |
156 | msf[0] = 0; | |
157 | } | |
158 | ||
159 | token = strtok(NULL, ":"); | |
160 | if (token) { | |
161 | msf[1] = atoi(token); | |
162 | } | |
163 | else { | |
164 | msf[1] = 0; | |
165 | } | |
166 | ||
167 | token = strtok(NULL, ":"); | |
168 | if (token) { | |
169 | msf[2] = atoi(token); | |
170 | } | |
171 | else { | |
172 | msf[2] = 0; | |
173 | } | |
174 | } | |
175 | ||
176 | #ifndef _WIN32 | |
177 | static long GetTickCount(void) { | |
178 | static time_t initial_time = 0; | |
179 | struct timeval now; | |
180 | ||
181 | gettimeofday(&now, NULL); | |
182 | ||
183 | if (initial_time == 0) { | |
184 | initial_time = now.tv_sec; | |
185 | } | |
186 | ||
187 | return (now.tv_sec - initial_time) * 1000L + now.tv_usec / 1000L; | |
188 | } | |
189 | #endif | |
190 | ||
191 | // this thread plays audio data | |
192 | #ifdef _WIN32 | |
193 | static void playthread(void *param) | |
194 | #else | |
195 | static void *playthread(void *param) | |
196 | #endif | |
197 | { | |
983a7cfd | 198 | long osleep, d, t, i, s; |
ef79bbde | 199 | unsigned char tmp; |
77160d47 | 200 | int ret = 0, sector_offs; |
ef79bbde P |
201 | |
202 | t = GetTickCount(); | |
203 | ||
204 | while (playing) { | |
9a92bffb | 205 | s = 0; |
206 | for (i = 0; i < sizeof(sndbuffer) / CD_FRAMESIZE_RAW; i++) { | |
77160d47 | 207 | sector_offs = cdda_cur_sector - cdda_first_sector; |
208 | if (sector_offs < 0) { | |
209 | d = CD_FRAMESIZE_RAW; | |
210 | memset(sndbuffer + s, 0, d); | |
211 | } | |
212 | else { | |
213 | d = cdimg_read_func(cddaHandle, cdda_file_offset, | |
214 | sndbuffer + s, sector_offs); | |
215 | if (d < CD_FRAMESIZE_RAW) | |
216 | break; | |
217 | } | |
2058d51f | 218 | |
9a92bffb | 219 | s += d; |
220 | cdda_cur_sector++; | |
ef79bbde | 221 | } |
19c03d80 | 222 | |
ef79bbde P |
223 | if (s == 0) { |
224 | playing = FALSE; | |
ef79bbde P |
225 | initial_offset = 0; |
226 | break; | |
227 | } | |
228 | ||
229 | if (!cdr.Muted && playing) { | |
230 | if (cddaBigEndian) { | |
231 | for (i = 0; i < s / 2; i++) { | |
232 | tmp = sndbuffer[i * 2]; | |
233 | sndbuffer[i * 2] = sndbuffer[i * 2 + 1]; | |
234 | sndbuffer[i * 2 + 1] = tmp; | |
235 | } | |
236 | } | |
237 | ||
53598a71 | 238 | // can't do it yet due to readahead.. |
239 | //cdrAttenuate((short *)sndbuffer, s / 4, 1); | |
983a7cfd | 240 | do { |
241 | ret = SPU_playCDDAchannel((short *)sndbuffer, s); | |
242 | if (ret == 0x7761) | |
ce36c10b | 243 | { |
983a7cfd | 244 | usleep(6 * 1000); |
ce36c10b | 245 | } |
983a7cfd | 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) | |
ce36c10b | 256 | { |
983a7cfd | 257 | usleep(10000); |
ce36c10b | 258 | } |
983a7cfd | 259 | |
260 | now = GetTickCount(); | |
261 | osleep = t - now; | |
262 | if (osleep <= 0) { | |
263 | osleep = 1; | |
264 | t = now; | |
265 | } | |
266 | else if (osleep > CDDA_FRAMETIME) { | |
267 | osleep = CDDA_FRAMETIME; | |
268 | t = now; | |
269 | } | |
270 | ||
271 | usleep(osleep * 1000); | |
272 | t += CDDA_FRAMETIME; | |
273 | } | |
274 | ||
ef79bbde P |
275 | } |
276 | ||
277 | #ifdef _WIN32 | |
278 | _endthread(); | |
279 | #else | |
280 | pthread_exit(0); | |
281 | return NULL; | |
282 | #endif | |
283 | } | |
284 | ||
285 | // stop the CDDA playback | |
286 | static void stopCDDA() { | |
287 | if (!playing) { | |
288 | return; | |
289 | } | |
290 | ||
291 | playing = FALSE; | |
292 | #ifdef _WIN32 | |
293 | WaitForSingleObject(threadid, INFINITE); | |
294 | #else | |
295 | pthread_join(threadid, NULL); | |
296 | #endif | |
ef79bbde P |
297 | } |
298 | ||
299 | // start the CDDA playback | |
77160d47 | 300 | static void startCDDA(void) { |
ef79bbde | 301 | if (playing) { |
ef79bbde P |
302 | stopCDDA(); |
303 | } | |
304 | ||
ef79bbde P |
305 | playing = TRUE; |
306 | ||
307 | #ifdef _WIN32 | |
308 | threadid = (HANDLE)_beginthread(playthread, 0, NULL); | |
309 | #else | |
310 | pthread_create(&threadid, NULL, playthread, NULL); | |
311 | #endif | |
312 | } | |
313 | ||
314 | // this function tries to get the .toc file of the given .bin | |
315 | // the necessary data is put into the ti (trackinformation)-array | |
316 | static int parsetoc(const char *isofile) { | |
317 | char tocname[MAXPATHLEN]; | |
318 | FILE *fi; | |
e999be41 | 319 | char linebuf[256], tmp[256], name[256]; |
ef79bbde P |
320 | char *token; |
321 | char time[20], time2[20]; | |
e999be41 | 322 | unsigned int t, sector_offs, sector_size; |
323 | unsigned int current_zero_gap = 0; | |
ef79bbde P |
324 | |
325 | numtracks = 0; | |
326 | ||
327 | // copy name of the iso and change extension from .bin to .toc | |
328 | strncpy(tocname, isofile, sizeof(tocname)); | |
329 | tocname[MAXPATHLEN - 1] = '\0'; | |
330 | if (strlen(tocname) >= 4) { | |
331 | strcpy(tocname + strlen(tocname) - 4, ".toc"); | |
332 | } | |
333 | else { | |
334 | return -1; | |
335 | } | |
336 | ||
337 | if ((fi = fopen(tocname, "r")) == NULL) { | |
338 | // try changing extension to .cue (to satisfy some stupid tutorials) | |
339 | strcpy(tocname + strlen(tocname) - 4, ".cue"); | |
340 | if ((fi = fopen(tocname, "r")) == NULL) { | |
341 | // if filename is image.toc.bin, try removing .bin (for Brasero) | |
342 | strcpy(tocname, isofile); | |
343 | t = strlen(tocname); | |
344 | if (t >= 8 && strcmp(tocname + t - 8, ".toc.bin") == 0) { | |
345 | tocname[t - 4] = '\0'; | |
346 | if ((fi = fopen(tocname, "r")) == NULL) { | |
347 | return -1; | |
348 | } | |
349 | } | |
350 | else { | |
351 | return -1; | |
352 | } | |
353 | } | |
92f43ab0 | 354 | // check if it's really a TOC named as a .cue |
355 | fgets(linebuf, sizeof(linebuf), fi); | |
4295c491 | 356 | token = strtok(linebuf, " "); |
357 | if (token && strncmp(token, "CD", 2) != 0 && strcmp(token, "CATALOG") != 0) { | |
92f43ab0 | 358 | fclose(fi); |
359 | return -1; | |
360 | } | |
361 | fseek(fi, 0, SEEK_SET); | |
ef79bbde P |
362 | } |
363 | ||
364 | memset(&ti, 0, sizeof(ti)); | |
365 | cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio | |
366 | ||
e999be41 | 367 | sector_size = CD_FRAMESIZE_RAW; |
19c03d80 | 368 | sector_offs = 2 * 75; |
369 | ||
ef79bbde P |
370 | // parse the .toc file |
371 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
372 | // search for tracks | |
e999be41 | 373 | strncpy(tmp, linebuf, sizeof(linebuf)); |
374 | token = strtok(tmp, " "); | |
ef79bbde P |
375 | |
376 | if (token == NULL) continue; | |
377 | ||
378 | if (!strcmp(token, "TRACK")) { | |
e999be41 | 379 | sector_offs += current_zero_gap; |
380 | current_zero_gap = 0; | |
381 | ||
ef79bbde P |
382 | // get type of track |
383 | token = strtok(NULL, " "); | |
384 | numtracks++; | |
385 | ||
386 | if (!strncmp(token, "MODE2_RAW", 9)) { | |
387 | ti[numtracks].type = DATA; | |
388 | sec2msf(2 * 75, ti[numtracks].start); // assume data track on 0:2:0 | |
389 | ||
390 | // check if this image contains mixed subchannel data | |
391 | token = strtok(NULL, " "); | |
e999be41 | 392 | if (token != NULL && !strncmp(token, "RW", 2)) { |
393 | sector_size = CD_FRAMESIZE_RAW + SUB_FRAMESIZE; | |
ef79bbde | 394 | subChanMixed = TRUE; |
e999be41 | 395 | if (!strncmp(token, "RW_RAW", 6)) |
396 | subChanRaw = TRUE; | |
ef79bbde P |
397 | } |
398 | } | |
399 | else if (!strncmp(token, "AUDIO", 5)) { | |
400 | ti[numtracks].type = CDDA; | |
401 | } | |
402 | } | |
403 | else if (!strcmp(token, "DATAFILE")) { | |
404 | if (ti[numtracks].type == CDDA) { | |
405 | sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2); | |
19c03d80 | 406 | ti[numtracks].start_offset = t; |
e999be41 | 407 | t = t / sector_size + sector_offs; |
ef79bbde P |
408 | sec2msf(t, (char *)&ti[numtracks].start); |
409 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
410 | } | |
411 | else { | |
412 | sscanf(linebuf, "DATAFILE \"%[^\"]\" %8s", name, time); | |
413 | tok2msf((char *)&time, (char *)&ti[numtracks].length); | |
414 | } | |
415 | } | |
416 | else if (!strcmp(token, "FILE")) { | |
417 | sscanf(linebuf, "FILE \"%[^\"]\" #%d %8s %8s", name, &t, time, time2); | |
418 | tok2msf((char *)&time, (char *)&ti[numtracks].start); | |
e999be41 | 419 | t += msf2sec(ti[numtracks].start) * sector_size; |
19c03d80 | 420 | ti[numtracks].start_offset = t; |
e999be41 | 421 | t = t / sector_size + sector_offs; |
ef79bbde P |
422 | sec2msf(t, (char *)&ti[numtracks].start); |
423 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
424 | } | |
e999be41 | 425 | else if (!strcmp(token, "ZERO") || !strcmp(token, "SILENCE")) { |
426 | // skip unneeded optional fields | |
427 | while (token != NULL) { | |
428 | token = strtok(NULL, " "); | |
429 | if (strchr(token, ':') != NULL) | |
430 | break; | |
431 | } | |
432 | if (token != NULL) { | |
433 | tok2msf(token, tmp); | |
434 | current_zero_gap = msf2sec(tmp); | |
435 | } | |
8aa91443 | 436 | if (numtracks > 1) { |
437 | t = ti[numtracks - 1].start_offset; | |
e999be41 | 438 | t /= sector_size; |
8aa91443 | 439 | pregapOffset = t + msf2sec(ti[numtracks - 1].length); |
440 | } | |
19c03d80 | 441 | } |
e999be41 | 442 | else if (!strcmp(token, "START")) { |
443 | token = strtok(NULL, " "); | |
444 | if (token != NULL && strchr(token, ':')) { | |
445 | tok2msf(token, tmp); | |
446 | t = msf2sec(tmp); | |
447 | ti[numtracks].start_offset += (t - current_zero_gap) * sector_size; | |
448 | t = msf2sec(ti[numtracks].start) + t; | |
449 | sec2msf(t, (char *)&ti[numtracks].start); | |
450 | } | |
451 | } | |
ef79bbde P |
452 | } |
453 | ||
454 | fclose(fi); | |
455 | ||
456 | return 0; | |
457 | } | |
458 | ||
459 | // this function tries to get the .cue file of the given .bin | |
460 | // the necessary data is put into the ti (trackinformation)-array | |
461 | static int parsecue(const char *isofile) { | |
462 | char cuename[MAXPATHLEN]; | |
38b8102c | 463 | char filepath[MAXPATHLEN]; |
464 | char *incue_fname; | |
ef79bbde P |
465 | FILE *fi; |
466 | char *token; | |
467 | char time[20]; | |
468 | char *tmp; | |
19c03d80 | 469 | char linebuf[256], tmpb[256], dummy[256]; |
38b8102c | 470 | unsigned int incue_max_len; |
77160d47 | 471 | unsigned int t, file_len, mode, sector_offs; |
472 | unsigned int sector_size = 2352; | |
ef79bbde P |
473 | |
474 | numtracks = 0; | |
475 | ||
476 | // copy name of the iso and change extension from .bin to .cue | |
477 | strncpy(cuename, isofile, sizeof(cuename)); | |
478 | cuename[MAXPATHLEN - 1] = '\0'; | |
479 | if (strlen(cuename) >= 4) { | |
2cc221eb | 480 | // If 'isofile' is a '.cd<X>' file, use it as a .cue file |
481 | // and don't try to search the additional .cue file | |
482 | if (strncasecmp(cuename + strlen(cuename) - 4, ".cd", 3) != 0 ) | |
483 | strcpy(cuename + strlen(cuename) - 4, ".cue"); | |
ef79bbde P |
484 | } |
485 | else { | |
486 | return -1; | |
487 | } | |
488 | ||
489 | if ((fi = fopen(cuename, "r")) == NULL) { | |
490 | return -1; | |
491 | } | |
492 | ||
493 | // Some stupid tutorials wrongly tell users to use cdrdao to rip a | |
494 | // "bin/cue" image, which is in fact a "bin/toc" image. So let's check | |
495 | // that... | |
496 | if (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
497 | if (!strncmp(linebuf, "CD_ROM_XA", 9)) { | |
498 | // Don't proceed further, as this is actually a .toc file rather | |
499 | // than a .cue file. | |
500 | fclose(fi); | |
501 | return parsetoc(isofile); | |
502 | } | |
503 | fseek(fi, 0, SEEK_SET); | |
504 | } | |
505 | ||
38b8102c | 506 | // build a path for files referenced in .cue |
507 | strncpy(filepath, cuename, sizeof(filepath)); | |
22bbabf6 | 508 | tmp = strrchr(filepath, '/'); |
38b8102c | 509 | if (tmp == NULL) |
22bbabf6 | 510 | tmp = strrchr(filepath, '\\'); |
511 | if (tmp != NULL) | |
512 | tmp++; | |
513 | else | |
38b8102c | 514 | tmp = filepath; |
515 | *tmp = 0; | |
516 | filepath[sizeof(filepath) - 1] = 0; | |
517 | incue_fname = tmp; | |
518 | incue_max_len = sizeof(filepath) - (tmp - filepath) - 1; | |
519 | ||
ef79bbde P |
520 | memset(&ti, 0, sizeof(ti)); |
521 | ||
19c03d80 | 522 | file_len = 0; |
523 | sector_offs = 2 * 75; | |
524 | ||
ef79bbde P |
525 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { |
526 | strncpy(dummy, linebuf, sizeof(linebuf)); | |
527 | token = strtok(dummy, " "); | |
528 | ||
529 | if (token == NULL) { | |
530 | continue; | |
531 | } | |
532 | ||
19c03d80 | 533 | if (!strcmp(token, "TRACK")) { |
ef79bbde P |
534 | numtracks++; |
535 | ||
77160d47 | 536 | sector_size = 0; |
ef79bbde P |
537 | if (strstr(linebuf, "AUDIO") != NULL) { |
538 | ti[numtracks].type = CDDA; | |
77160d47 | 539 | sector_size = 2352; |
ef79bbde | 540 | } |
77160d47 | 541 | else if (sscanf(linebuf, " TRACK %u MODE%u/%u", &t, &mode, §or_size) == 3) |
ef79bbde | 542 | ti[numtracks].type = DATA; |
77160d47 | 543 | else { |
544 | SysPrintf(".cue: failed to parse TRACK\n"); | |
545 | ti[numtracks].type = numtracks == 1 ? DATA : CDDA; | |
ef79bbde | 546 | } |
77160d47 | 547 | if (sector_size == 0) |
548 | sector_size = 2352; | |
ef79bbde P |
549 | } |
550 | else if (!strcmp(token, "INDEX")) { | |
77160d47 | 551 | if (sscanf(linebuf, " INDEX %02d %8s", &t, time) != 2) |
552 | SysPrintf(".cue: failed to parse INDEX\n"); | |
19c03d80 | 553 | tok2msf(time, (char *)&ti[numtracks].start); |
ef79bbde | 554 | |
19c03d80 | 555 | t = msf2sec(ti[numtracks].start); |
77160d47 | 556 | ti[numtracks].start_offset = t * sector_size; |
19c03d80 | 557 | t += sector_offs; |
ef79bbde | 558 | sec2msf(t, ti[numtracks].start); |
19c03d80 | 559 | |
560 | // default track length to file length | |
77160d47 | 561 | t = file_len - ti[numtracks].start_offset / sector_size; |
19c03d80 | 562 | sec2msf(t, ti[numtracks].length); |
563 | ||
564 | if (numtracks > 1 && ti[numtracks].handle == NULL) { | |
565 | // this track uses the same file as the last, | |
566 | // start of this track is last track's end | |
567 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
568 | sec2msf(t, ti[numtracks - 1].length); | |
38b8102c | 569 | } |
8aa91443 | 570 | if (numtracks > 1 && pregapOffset == -1) |
77160d47 | 571 | pregapOffset = ti[numtracks].start_offset / sector_size; |
19c03d80 | 572 | } |
573 | else if (!strcmp(token, "PREGAP")) { | |
574 | if (sscanf(linebuf, " PREGAP %8s", time) == 1) { | |
575 | tok2msf(time, dummy); | |
576 | sector_offs += msf2sec(dummy); | |
38b8102c | 577 | } |
8aa91443 | 578 | pregapOffset = -1; // mark to fill track start_offset |
19c03d80 | 579 | } |
580 | else if (!strcmp(token, "FILE")) { | |
9a9bcd78 | 581 | t = sscanf(linebuf, " FILE \"%255[^\"]\"", tmpb); |
385c023b | 582 | if (t != 1) |
9a9bcd78 | 583 | sscanf(linebuf, " FILE %255s", tmpb); |
19c03d80 | 584 | |
6f4557bf | 585 | tmp = strrchr(tmpb, '\\'); |
586 | if (tmp == NULL) | |
587 | tmp = strrchr(tmpb, '/'); | |
588 | if (tmp != NULL) | |
589 | tmp++; | |
590 | else | |
591 | tmp = tmpb; | |
592 | strncpy(incue_fname, tmp, incue_max_len); | |
593 | ti[numtracks + 1].handle = fopen(filepath, "rb"); | |
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 && | |
2cc221eb | 610 | (strcmp(isofile + strlen(isofile) - 4, ".cue") == 0 || |
611 | strncasecmp(isofile + strlen(isofile) - 4, ".cd", 3) == 0)) { | |
612 | // user selected .cue/.cdX as image file, use it's data track instead | |
38b8102c | 613 | fclose(cdHandle); |
614 | cdHandle = fopen(filepath, "rb"); | |
ef79bbde P |
615 | } |
616 | } | |
617 | } | |
618 | ||
619 | fclose(fi); | |
620 | ||
2cc221eb | 621 | // if there are no tracks detected, then it's not a cue file |
622 | if (!numtracks) | |
623 | return -1; | |
624 | ||
ef79bbde P |
625 | return 0; |
626 | } | |
627 | ||
628 | // this function tries to get the .ccd file of the given .img | |
629 | // the necessary data is put into the ti (trackinformation)-array | |
630 | static int parseccd(const char *isofile) { | |
631 | char ccdname[MAXPATHLEN]; | |
632 | FILE *fi; | |
633 | char linebuf[256]; | |
634 | unsigned int t; | |
635 | ||
636 | numtracks = 0; | |
637 | ||
638 | // copy name of the iso and change extension from .img to .ccd | |
639 | strncpy(ccdname, isofile, sizeof(ccdname)); | |
640 | ccdname[MAXPATHLEN - 1] = '\0'; | |
641 | if (strlen(ccdname) >= 4) { | |
642 | strcpy(ccdname + strlen(ccdname) - 4, ".ccd"); | |
643 | } | |
644 | else { | |
645 | return -1; | |
646 | } | |
647 | ||
648 | if ((fi = fopen(ccdname, "r")) == NULL) { | |
649 | return -1; | |
650 | } | |
651 | ||
652 | memset(&ti, 0, sizeof(ti)); | |
653 | ||
654 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
655 | if (!strncmp(linebuf, "[TRACK", 6)){ | |
656 | numtracks++; | |
657 | } | |
658 | else if (!strncmp(linebuf, "MODE=", 5)) { | |
659 | sscanf(linebuf, "MODE=%d", &t); | |
660 | ti[numtracks].type = ((t == 0) ? CDDA : DATA); | |
661 | } | |
662 | else if (!strncmp(linebuf, "INDEX 1=", 8)) { | |
663 | sscanf(linebuf, "INDEX 1=%d", &t); | |
664 | sec2msf(t + 2 * 75, ti[numtracks].start); | |
77160d47 | 665 | ti[numtracks].start_offset = t * 2352; |
ef79bbde P |
666 | |
667 | // If we've already seen another track, this is its end | |
668 | if (numtracks > 1) { | |
669 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
670 | sec2msf(t, ti[numtracks - 1].length); | |
671 | } | |
672 | } | |
673 | } | |
674 | ||
675 | fclose(fi); | |
676 | ||
677 | // Fill out the last track's end based on size | |
678 | if (numtracks >= 1) { | |
679 | fseek(cdHandle, 0, SEEK_END); | |
680 | t = ftell(cdHandle) / 2352 - msf2sec(ti[numtracks].start) + 2 * 75; | |
681 | sec2msf(t, ti[numtracks].length); | |
682 | } | |
683 | ||
684 | return 0; | |
685 | } | |
686 | ||
687 | // this function tries to get the .mds file of the given .mdf | |
688 | // the necessary data is put into the ti (trackinformation)-array | |
689 | static int parsemds(const char *isofile) { | |
690 | char mdsname[MAXPATHLEN]; | |
691 | FILE *fi; | |
692 | unsigned int offset, extra_offset, l, i; | |
693 | unsigned short s; | |
694 | ||
695 | numtracks = 0; | |
696 | ||
697 | // copy name of the iso and change extension from .mdf to .mds | |
698 | strncpy(mdsname, isofile, sizeof(mdsname)); | |
699 | mdsname[MAXPATHLEN - 1] = '\0'; | |
700 | if (strlen(mdsname) >= 4) { | |
701 | strcpy(mdsname + strlen(mdsname) - 4, ".mds"); | |
702 | } | |
703 | else { | |
704 | return -1; | |
705 | } | |
706 | ||
707 | if ((fi = fopen(mdsname, "rb")) == NULL) { | |
708 | return -1; | |
709 | } | |
710 | ||
711 | memset(&ti, 0, sizeof(ti)); | |
712 | ||
713 | // check if it's a valid mds file | |
714 | fread(&i, 1, sizeof(unsigned int), fi); | |
715 | i = SWAP32(i); | |
716 | if (i != 0x4944454D) { | |
717 | // not an valid mds file | |
718 | fclose(fi); | |
719 | return -1; | |
720 | } | |
721 | ||
722 | // get offset to session block | |
723 | fseek(fi, 0x50, SEEK_SET); | |
724 | fread(&offset, 1, sizeof(unsigned int), fi); | |
725 | offset = SWAP32(offset); | |
726 | ||
727 | // get total number of tracks | |
728 | offset += 14; | |
729 | fseek(fi, offset, SEEK_SET); | |
730 | fread(&s, 1, sizeof(unsigned short), fi); | |
731 | s = SWAP16(s); | |
732 | numtracks = s; | |
733 | ||
734 | // get offset to track blocks | |
735 | fseek(fi, 4, SEEK_CUR); | |
736 | fread(&offset, 1, sizeof(unsigned int), fi); | |
737 | offset = SWAP32(offset); | |
738 | ||
739 | // skip lead-in data | |
740 | while (1) { | |
741 | fseek(fi, offset + 4, SEEK_SET); | |
742 | if (fgetc(fi) < 0xA0) { | |
743 | break; | |
744 | } | |
745 | offset += 0x50; | |
746 | } | |
747 | ||
748 | // check if the image contains mixed subchannel data | |
749 | fseek(fi, offset + 1, SEEK_SET); | |
77160d47 | 750 | subChanMixed = subChanRaw = (fgetc(fi) ? TRUE : FALSE); |
ef79bbde P |
751 | |
752 | // read track data | |
753 | for (i = 1; i <= numtracks; i++) { | |
754 | fseek(fi, offset, SEEK_SET); | |
755 | ||
756 | // get the track type | |
757 | ti[i].type = ((fgetc(fi) == 0xA9) ? CDDA : DATA); | |
758 | fseek(fi, 8, SEEK_CUR); | |
759 | ||
760 | // get the track starting point | |
761 | ti[i].start[0] = fgetc(fi); | |
762 | ti[i].start[1] = fgetc(fi); | |
763 | ti[i].start[2] = fgetc(fi); | |
764 | ||
ef79bbde P |
765 | fread(&extra_offset, 1, sizeof(unsigned int), fi); |
766 | extra_offset = SWAP32(extra_offset); | |
767 | ||
19c03d80 | 768 | // get track start offset (in .mdf) |
769 | fseek(fi, offset + 0x28, SEEK_SET); | |
770 | fread(&l, 1, sizeof(unsigned int), fi); | |
771 | l = SWAP32(l); | |
77160d47 | 772 | ti[i].start_offset = l; |
19c03d80 | 773 | |
8aa91443 | 774 | // get pregap |
775 | fseek(fi, extra_offset, SEEK_SET); | |
776 | fread(&l, 1, sizeof(unsigned int), fi); | |
777 | l = SWAP32(l); | |
778 | if (l != 0 && i > 1) | |
77160d47 | 779 | pregapOffset = msf2sec(ti[i].start); |
8aa91443 | 780 | |
781 | // get the track length | |
782 | fread(&l, 1, sizeof(unsigned int), fi); | |
783 | l = SWAP32(l); | |
784 | sec2msf(l, ti[i].length); | |
785 | ||
ef79bbde P |
786 | offset += 0x50; |
787 | } | |
788 | ||
789 | fclose(fi); | |
790 | return 0; | |
791 | } | |
792 | ||
0877957a | 793 | static int handlepbp(const char *isofile) { |
9a92bffb | 794 | struct { |
795 | unsigned int sig; | |
796 | unsigned int dontcare[8]; | |
797 | unsigned int psar_offs; | |
798 | } pbp_hdr; | |
799 | struct { | |
800 | unsigned char type; | |
801 | unsigned char pad0; | |
802 | unsigned char track; | |
803 | char index0[3]; | |
804 | char pad1; | |
805 | char index1[3]; | |
806 | } toc_entry; | |
807 | struct { | |
808 | unsigned int offset; | |
809 | unsigned int size; | |
810 | unsigned int dontcare[6]; | |
811 | } index_entry; | |
0c2871a7 | 812 | char psar_sig[11]; |
cc376814 | 813 | off_t psisoimg_offs, cdimg_base; |
814 | unsigned int t, cd_length; | |
815 | unsigned int offsettab[8]; | |
9a92bffb | 816 | const char *ext = NULL; |
817 | int i, ret; | |
818 | ||
819 | if (strlen(isofile) >= 4) | |
820 | ext = isofile + strlen(isofile) - 4; | |
821 | if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0)) | |
822 | return -1; | |
823 | ||
cc376814 | 824 | fseeko(cdHandle, 0, SEEK_SET); |
9726a4af | 825 | |
9a92bffb | 826 | numtracks = 0; |
827 | ||
828 | ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle); | |
829 | if (ret != sizeof(pbp_hdr)) { | |
f29fbd53 | 830 | SysPrintf("failed to read pbp\n"); |
9a92bffb | 831 | goto fail_io; |
832 | } | |
833 | ||
cc376814 | 834 | ret = fseeko(cdHandle, pbp_hdr.psar_offs, SEEK_SET); |
9a92bffb | 835 | if (ret != 0) { |
f29fbd53 | 836 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs); |
9a92bffb | 837 | goto fail_io; |
838 | } | |
839 | ||
0c2871a7 | 840 | psisoimg_offs = pbp_hdr.psar_offs; |
9a92bffb | 841 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); |
0c2871a7 | 842 | psar_sig[10] = 0; |
843 | if (strcmp(psar_sig, "PSTITLEIMG") == 0) { | |
844 | // multidisk image? | |
cc376814 | 845 | ret = fseeko(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET); |
0c2871a7 | 846 | if (ret != 0) { |
f29fbd53 | 847 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs + 0x200); |
0c2871a7 | 848 | goto fail_io; |
849 | } | |
850 | ||
851 | if (fread(&offsettab, 1, sizeof(offsettab), cdHandle) != sizeof(offsettab)) { | |
f29fbd53 | 852 | SysPrintf("failed to read offsettab\n"); |
0c2871a7 | 853 | goto fail_io; |
854 | } | |
855 | ||
856 | for (i = 0; i < sizeof(offsettab) / sizeof(offsettab[0]); i++) { | |
857 | if (offsettab[i] == 0) | |
858 | break; | |
859 | } | |
860 | cdrIsoMultidiskCount = i; | |
861 | if (cdrIsoMultidiskCount == 0) { | |
f29fbd53 | 862 | SysPrintf("multidisk eboot has 0 images?\n"); |
0c2871a7 | 863 | goto fail_io; |
864 | } | |
865 | ||
866 | if (cdrIsoMultidiskSelect >= cdrIsoMultidiskCount) | |
867 | cdrIsoMultidiskSelect = 0; | |
868 | ||
869 | psisoimg_offs += offsettab[cdrIsoMultidiskSelect]; | |
870 | ||
cc376814 | 871 | ret = fseeko(cdHandle, psisoimg_offs, SEEK_SET); |
0c2871a7 | 872 | if (ret != 0) { |
cc376814 | 873 | SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs); |
0c2871a7 | 874 | goto fail_io; |
875 | } | |
876 | ||
877 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); | |
878 | psar_sig[10] = 0; | |
879 | } | |
880 | ||
881 | if (strcmp(psar_sig, "PSISOIMG00") != 0) { | |
f29fbd53 | 882 | SysPrintf("bad psar_sig: %s\n", psar_sig); |
9a92bffb | 883 | goto fail_io; |
884 | } | |
885 | ||
886 | // seek to TOC | |
cc376814 | 887 | ret = fseeko(cdHandle, psisoimg_offs + 0x800, SEEK_SET); |
9a92bffb | 888 | if (ret != 0) { |
cc376814 | 889 | SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs + 0x800); |
9a92bffb | 890 | goto fail_io; |
891 | } | |
892 | ||
893 | // first 3 entries are special | |
894 | fseek(cdHandle, sizeof(toc_entry), SEEK_CUR); | |
895 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
896 | numtracks = btoi(toc_entry.index1[0]); | |
897 | ||
898 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
899 | cd_length = btoi(toc_entry.index1[0]) * 60 * 75 + | |
900 | btoi(toc_entry.index1[1]) * 75 + btoi(toc_entry.index1[2]); | |
901 | ||
902 | for (i = 1; i <= numtracks; i++) { | |
903 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
904 | ||
905 | ti[i].type = (toc_entry.type == 1) ? CDDA : DATA; | |
906 | ||
907 | ti[i].start_offset = btoi(toc_entry.index0[0]) * 60 * 75 + | |
908 | btoi(toc_entry.index0[1]) * 75 + btoi(toc_entry.index0[2]); | |
77160d47 | 909 | ti[i].start_offset *= 2352; |
9a92bffb | 910 | ti[i].start[0] = btoi(toc_entry.index1[0]); |
911 | ti[i].start[1] = btoi(toc_entry.index1[1]); | |
912 | ti[i].start[2] = btoi(toc_entry.index1[2]); | |
913 | ||
914 | if (i > 1) { | |
915 | t = msf2sec(ti[i].start) - msf2sec(ti[i - 1].start); | |
916 | sec2msf(t, ti[i - 1].length); | |
917 | } | |
918 | } | |
77160d47 | 919 | t = cd_length - ti[numtracks].start_offset / 2352; |
9a92bffb | 920 | sec2msf(t, ti[numtracks].length); |
921 | ||
922 | // seek to ISO index | |
cc376814 | 923 | ret = fseeko(cdHandle, psisoimg_offs + 0x4000, SEEK_SET); |
9a92bffb | 924 | if (ret != 0) { |
f29fbd53 | 925 | SysPrintf("failed to seek to ISO index\n"); |
9a92bffb | 926 | goto fail_io; |
927 | } | |
928 | ||
929 | compr_img = calloc(1, sizeof(*compr_img)); | |
930 | if (compr_img == NULL) | |
931 | goto fail_io; | |
932 | ||
0877957a | 933 | compr_img->block_shift = 4; |
9a92bffb | 934 | compr_img->current_block = (unsigned int)-1; |
935 | ||
936 | compr_img->index_len = (0x100000 - 0x4000) / sizeof(index_entry); | |
937 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
938 | if (compr_img->index_table == NULL) | |
939 | goto fail_io; | |
940 | ||
0c2871a7 | 941 | cdimg_base = psisoimg_offs + 0x100000; |
9a92bffb | 942 | for (i = 0; i < compr_img->index_len; i++) { |
943 | ret = fread(&index_entry, 1, sizeof(index_entry), cdHandle); | |
944 | if (ret != sizeof(index_entry)) { | |
f29fbd53 | 945 | SysPrintf("failed to read index_entry #%d\n", i); |
9a92bffb | 946 | goto fail_index; |
947 | } | |
948 | ||
949 | if (index_entry.size == 0) | |
950 | break; | |
951 | ||
952 | compr_img->index_table[i] = cdimg_base + index_entry.offset; | |
953 | } | |
954 | compr_img->index_table[i] = cdimg_base + index_entry.offset + index_entry.size; | |
955 | ||
956 | return 0; | |
957 | ||
958 | fail_index: | |
959 | free(compr_img->index_table); | |
960 | compr_img->index_table = NULL; | |
961 | fail_io: | |
0877957a | 962 | if (compr_img != NULL) { |
963 | free(compr_img); | |
964 | compr_img = NULL; | |
965 | } | |
966 | return -1; | |
967 | } | |
968 | ||
969 | static int handlecbin(const char *isofile) { | |
970 | struct | |
971 | { | |
972 | char magic[4]; | |
973 | unsigned int header_size; | |
974 | unsigned long long total_bytes; | |
975 | unsigned int block_size; | |
976 | unsigned char ver; // 1 | |
977 | unsigned char align; | |
978 | unsigned char rsv_06[2]; | |
979 | } ciso_hdr; | |
980 | const char *ext = NULL; | |
cc376814 | 981 | unsigned int *index_table = NULL; |
0c2871a7 | 982 | unsigned int index = 0, plain; |
0877957a | 983 | int i, ret; |
984 | ||
985 | if (strlen(isofile) >= 5) | |
986 | ext = isofile + strlen(isofile) - 5; | |
987 | if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0)) | |
988 | return -1; | |
989 | ||
9726a4af | 990 | fseek(cdHandle, 0, SEEK_SET); |
991 | ||
0877957a | 992 | ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle); |
993 | if (ret != sizeof(ciso_hdr)) { | |
f29fbd53 | 994 | SysPrintf("failed to read ciso header\n"); |
0877957a | 995 | return -1; |
996 | } | |
997 | ||
998 | if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) { | |
f29fbd53 | 999 | SysPrintf("bad ciso header\n"); |
0877957a | 1000 | return -1; |
1001 | } | |
1002 | if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) { | |
cc376814 | 1003 | ret = fseeko(cdHandle, ciso_hdr.header_size, SEEK_SET); |
0877957a | 1004 | if (ret != 0) { |
f29fbd53 | 1005 | SysPrintf("failed to seek to %x\n", ciso_hdr.header_size); |
0877957a | 1006 | return -1; |
1007 | } | |
1008 | } | |
1009 | ||
1010 | compr_img = calloc(1, sizeof(*compr_img)); | |
1011 | if (compr_img == NULL) | |
1012 | goto fail_io; | |
1013 | ||
1014 | compr_img->block_shift = 0; | |
1015 | compr_img->current_block = (unsigned int)-1; | |
1016 | ||
1017 | compr_img->index_len = ciso_hdr.total_bytes / ciso_hdr.block_size; | |
cc376814 | 1018 | index_table = malloc((compr_img->index_len + 1) * sizeof(index_table[0])); |
1019 | if (index_table == NULL) | |
0877957a | 1020 | goto fail_io; |
1021 | ||
cc376814 | 1022 | ret = fread(index_table, sizeof(index_table[0]), compr_img->index_len, cdHandle); |
0877957a | 1023 | if (ret != compr_img->index_len) { |
f29fbd53 | 1024 | SysPrintf("failed to read index table\n"); |
0877957a | 1025 | goto fail_index; |
1026 | } | |
1027 | ||
cc376814 | 1028 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); |
1029 | if (compr_img->index_table == NULL) | |
1030 | goto fail_index; | |
1031 | ||
0877957a | 1032 | for (i = 0; i < compr_img->index_len + 1; i++) { |
cc376814 | 1033 | index = index_table[i]; |
0877957a | 1034 | plain = index & 0x80000000; |
1035 | index &= 0x7fffffff; | |
cc376814 | 1036 | compr_img->index_table[i] = (off_t)index << ciso_hdr.align; |
1037 | if (plain) | |
1038 | compr_img->index_table[i] |= OFF_T_MSB; | |
0877957a | 1039 | } |
0877957a | 1040 | |
1041 | return 0; | |
1042 | ||
1043 | fail_index: | |
cc376814 | 1044 | free(index_table); |
0877957a | 1045 | fail_io: |
1046 | if (compr_img != NULL) { | |
1047 | free(compr_img); | |
1048 | compr_img = NULL; | |
1049 | } | |
9a92bffb | 1050 | return -1; |
1051 | } | |
1052 | ||
b0ec2e6d | 1053 | #ifdef HAVE_CHD |
ce188d4d | 1054 | static int handlechd(const char *isofile) { |
1055 | chd_img = calloc(1, sizeof(*chd_img)); | |
1056 | if (chd_img == NULL) | |
1057 | goto fail_io; | |
1058 | ||
1059 | if(chd_open(isofile, CHD_OPEN_READ, NULL, &chd_img->chd) != CHDERR_NONE) | |
1060 | goto fail_io; | |
1061 | ||
1062 | chd_img->header = chd_get_header(chd_img->chd); | |
1063 | ||
1064 | chd_img->buffer = malloc(chd_img->header->hunkbytes); | |
1065 | if (chd_img->buffer == NULL) | |
1066 | goto fail_io; | |
1067 | ||
1068 | chd_img->sectors_per_hunk = chd_img->header->hunkbytes / (CD_FRAMESIZE_RAW + SUB_FRAMESIZE); | |
1069 | chd_img->current_hunk = (unsigned int)-1; | |
1070 | ||
1071 | cddaBigEndian = TRUE; | |
1072 | ||
1073 | numtracks = 0; | |
055b81e1 | 1074 | int frame_offset = 0; |
1075 | int file_offset = 0; | |
ce188d4d | 1076 | memset(ti, 0, sizeof(ti)); |
1077 | ||
1078 | while (1) | |
1079 | { | |
1080 | struct { | |
1081 | char type[64]; | |
1082 | char subtype[32]; | |
1083 | char pgtype[32]; | |
1084 | char pgsub[32]; | |
1085 | uint32_t track; | |
1086 | uint32_t frames; | |
1087 | uint32_t pregap; | |
1088 | uint32_t postgap; | |
1089 | } md = {}; | |
1090 | char meta[256]; | |
1091 | uint32_t meta_size = 0; | |
1092 | ||
1093 | if (chd_get_metadata(chd_img->chd, CDROM_TRACK_METADATA2_TAG, numtracks, meta, sizeof(meta), &meta_size, NULL, NULL) == CHDERR_NONE) | |
1094 | sscanf(meta, CDROM_TRACK_METADATA2_FORMAT, &md.track, md.type, md.subtype, &md.frames, &md.pregap, md.pgtype, md.pgsub, &md.postgap); | |
1095 | else if (chd_get_metadata(chd_img->chd, CDROM_TRACK_METADATA_TAG, numtracks, meta, sizeof(meta), &meta_size, NULL, NULL) == CHDERR_NONE) | |
1096 | sscanf(meta, CDROM_TRACK_METADATA_FORMAT, &md.track, md.type, md.subtype, &md.frames); | |
1097 | else | |
1098 | break; | |
1099 | ||
055b81e1 | 1100 | if(md.track == 1) |
1101 | md.pregap = 150; | |
1102 | else | |
1103 | sec2msf(msf2sec(ti[md.track-1].length) + md.pregap, ti[md.track-1].length); | |
ce188d4d | 1104 | |
055b81e1 | 1105 | ti[md.track].type = !strncmp(md.type, "AUDIO", 5) ? CDDA : DATA; |
ce188d4d | 1106 | |
055b81e1 | 1107 | sec2msf(frame_offset + md.pregap, ti[md.track].start); |
1108 | sec2msf(md.frames, ti[md.track].length); | |
ce188d4d | 1109 | |
055b81e1 | 1110 | ti[md.track].start_offset = file_offset; |
ce188d4d | 1111 | |
055b81e1 | 1112 | frame_offset += md.pregap + md.frames + md.postgap; |
1113 | file_offset += md.frames + md.postgap; | |
ce188d4d | 1114 | numtracks++; |
1115 | } | |
1116 | ||
1117 | if (numtracks) | |
1118 | return 0; | |
1119 | ||
1120 | fail_io: | |
1121 | if (chd_img != NULL) { | |
1122 | free(chd_img->buffer); | |
1123 | free(chd_img); | |
1124 | chd_img = NULL; | |
1125 | } | |
1126 | return -1; | |
1127 | } | |
b0ec2e6d | 1128 | #endif |
ce188d4d | 1129 | |
ef79bbde P |
1130 | // this function tries to get the .sub file of the given .img |
1131 | static int opensubfile(const char *isoname) { | |
1132 | char subname[MAXPATHLEN]; | |
1133 | ||
1134 | // copy name of the iso and change extension from .img to .sub | |
1135 | strncpy(subname, isoname, sizeof(subname)); | |
1136 | subname[MAXPATHLEN - 1] = '\0'; | |
1137 | if (strlen(subname) >= 4) { | |
1138 | strcpy(subname + strlen(subname) - 4, ".sub"); | |
1139 | } | |
1140 | else { | |
1141 | return -1; | |
1142 | } | |
1143 | ||
1144 | subHandle = fopen(subname, "rb"); | |
1145 | if (subHandle == NULL) { | |
1146 | return -1; | |
1147 | } | |
1148 | ||
1149 | return 0; | |
1150 | } | |
1151 | ||
ae4e7dc9 | 1152 | static int opensbifile(const char *isoname) { |
ba1cce07 | 1153 | char sbiname[MAXPATHLEN], disknum[MAXPATHLEN] = "0"; |
ae4e7dc9 | 1154 | int s; |
1155 | ||
1156 | strncpy(sbiname, isoname, sizeof(sbiname)); | |
1157 | sbiname[MAXPATHLEN - 1] = '\0'; | |
1158 | if (strlen(sbiname) >= 4) { | |
ba1cce07 S |
1159 | if (cdrIsoMultidiskCount > 1) { |
1160 | sprintf(disknum, "_%i.sbi", cdrIsoMultidiskSelect + 1); | |
1161 | strcpy(sbiname + strlen(sbiname) - 4, disknum); | |
1162 | } | |
1163 | else | |
1164 | strcpy(sbiname + strlen(sbiname) - 4, ".sbi"); | |
ae4e7dc9 | 1165 | } |
1166 | else { | |
1167 | return -1; | |
1168 | } | |
1169 | ||
1170 | fseek(cdHandle, 0, SEEK_END); | |
1171 | s = ftell(cdHandle) / 2352; | |
1172 | ||
1173 | return LoadSBI(sbiname, s); | |
1174 | } | |
1175 | ||
679b71e2 JW |
1176 | #ifdef _WIN32 |
1177 | static void readThreadStop() {} | |
1178 | static void readThreadStart() {} | |
1179 | #else | |
1180 | static pthread_t read_thread_id; | |
1181 | ||
1182 | static pthread_cond_t read_thread_msg_avail; | |
1183 | static pthread_cond_t read_thread_msg_done; | |
1184 | static pthread_mutex_t read_thread_msg_lock; | |
1185 | ||
1186 | static pthread_cond_t sectorbuffer_cond; | |
1187 | static pthread_mutex_t sectorbuffer_lock; | |
1188 | ||
1189 | static boolean read_thread_running = FALSE; | |
1190 | static int read_thread_sector_start = -1; | |
1191 | static int read_thread_sector_end = -1; | |
1192 | ||
1193 | typedef struct { | |
1194 | int sector; | |
1195 | long ret; | |
1196 | unsigned char data[CD_FRAMESIZE_RAW]; | |
1197 | } SectorBufferEntry; | |
1198 | ||
1199 | #define SECTOR_BUFFER_SIZE 4096 | |
1200 | ||
1201 | static SectorBufferEntry *sectorbuffer; | |
1202 | static size_t sectorbuffer_index; | |
1203 | ||
1204 | int (*sync_cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector); | |
1205 | unsigned char *(*sync_CDR_getBuffer)(void); | |
1206 | ||
1207 | static unsigned char * CALLBACK ISOgetBuffer_async(void); | |
1208 | static int cdread_async(FILE *f, unsigned int base, void *dest, int sector); | |
1209 | ||
1210 | static void *readThreadMain(void *param) { | |
1211 | int max_sector = -1; | |
1212 | int requested_sector_start = -1; | |
1213 | int requested_sector_end = -1; | |
1214 | int last_read_sector = -1; | |
1215 | int index = 0; | |
1216 | ||
1217 | int ra_sector = -1; | |
1218 | int max_ra = 128; | |
1219 | int initial_ra = 1; | |
1220 | int speedmult_ra = 4; | |
1221 | ||
1222 | int ra_count = 0; | |
1223 | int how_far_ahead = 0; | |
1224 | ||
1225 | unsigned char tmpdata[CD_FRAMESIZE_RAW]; | |
1226 | long ret; | |
1227 | ||
1228 | max_sector = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length); | |
1229 | ||
1230 | while(1) { | |
1231 | pthread_mutex_lock(&read_thread_msg_lock); | |
1232 | ||
1233 | // If we don't have readahead and we don't have a sector request, wait for one. | |
1234 | // If we still have readahead to go, don't block, just keep going. | |
1235 | // And if we ever have a sector request pending, acknowledge and reset it. | |
1236 | ||
1237 | if (!ra_count) { | |
1238 | if (read_thread_sector_start == -1 && read_thread_running) { | |
1239 | pthread_cond_wait(&read_thread_msg_avail, &read_thread_msg_lock); | |
1240 | } | |
1241 | } | |
1242 | ||
1243 | if (read_thread_sector_start != -1) { | |
1244 | requested_sector_start = read_thread_sector_start; | |
1245 | requested_sector_end = read_thread_sector_end; | |
1246 | read_thread_sector_start = -1; | |
1247 | read_thread_sector_end = -1; | |
1248 | pthread_cond_signal(&read_thread_msg_done); | |
1249 | } | |
1250 | ||
1251 | pthread_mutex_unlock(&read_thread_msg_lock); | |
1252 | ||
1253 | if (!read_thread_running) | |
1254 | break; | |
1255 | ||
1256 | // Readahead code, based on the implementation in mednafen psx's cdromif.cpp | |
1257 | if (requested_sector_start != -1) { | |
1258 | if (last_read_sector != -1 && last_read_sector == (requested_sector_start - 1)) { | |
1259 | how_far_ahead = ra_sector - requested_sector_end; | |
1260 | ||
1261 | if(how_far_ahead <= max_ra) | |
1262 | ra_count = (max_ra - how_far_ahead + 1 ? max_ra - how_far_ahead + 1 : speedmult_ra); | |
1263 | else | |
1264 | ra_count++; | |
1265 | } else if (requested_sector_end != last_read_sector) { | |
1266 | ra_sector = requested_sector_end; | |
1267 | ra_count = initial_ra; | |
1268 | } | |
1269 | ||
1270 | last_read_sector = requested_sector_end; | |
1271 | } | |
1272 | ||
00e69290 JW |
1273 | index = ra_sector % SECTOR_BUFFER_SIZE; |
1274 | ||
679b71e2 JW |
1275 | // check for end of CD |
1276 | if (ra_count && ra_sector >= max_sector) { | |
1277 | ra_count = 0; | |
00e69290 JW |
1278 | pthread_mutex_lock(§orbuffer_lock); |
1279 | sectorbuffer[index].ret = -1; | |
1280 | sectorbuffer[index].sector = ra_sector; | |
1281 | pthread_cond_signal(§orbuffer_cond); | |
1282 | pthread_mutex_unlock(§orbuffer_lock); | |
679b71e2 JW |
1283 | } |
1284 | ||
1285 | if (ra_count) { | |
679b71e2 JW |
1286 | pthread_mutex_lock(§orbuffer_lock); |
1287 | if (sectorbuffer[index].sector != ra_sector) { | |
1288 | pthread_mutex_unlock(§orbuffer_lock); | |
1289 | ||
1290 | ret = sync_cdimg_read_func(cdHandle, 0, tmpdata, ra_sector); | |
1291 | ||
1292 | pthread_mutex_lock(§orbuffer_lock); | |
1293 | sectorbuffer[index].ret = ret; | |
1294 | sectorbuffer[index].sector = ra_sector; | |
1295 | memcpy(sectorbuffer[index].data, tmpdata, CD_FRAMESIZE_RAW); | |
1296 | } | |
1297 | pthread_cond_signal(§orbuffer_cond); | |
1298 | pthread_mutex_unlock(§orbuffer_lock); | |
1299 | ||
1300 | ra_sector++; | |
1301 | ra_count--; | |
1302 | } | |
1303 | } | |
1304 | ||
1305 | return NULL; | |
1306 | } | |
1307 | ||
1308 | static void readThreadStop() { | |
1309 | if (read_thread_running == TRUE) { | |
1310 | read_thread_running = FALSE; | |
1311 | pthread_cond_signal(&read_thread_msg_avail); | |
1312 | pthread_join(read_thread_id, NULL); | |
1313 | } | |
1314 | ||
1315 | pthread_cond_destroy(&read_thread_msg_done); | |
1316 | pthread_cond_destroy(&read_thread_msg_avail); | |
1317 | pthread_mutex_destroy(&read_thread_msg_lock); | |
1318 | ||
1319 | pthread_cond_destroy(§orbuffer_cond); | |
1320 | pthread_mutex_destroy(§orbuffer_lock); | |
1321 | ||
1322 | CDR_getBuffer = sync_CDR_getBuffer; | |
1323 | cdimg_read_func = sync_cdimg_read_func; | |
1324 | ||
1325 | free(sectorbuffer); | |
1326 | sectorbuffer = NULL; | |
1327 | } | |
1328 | ||
1329 | static void readThreadStart() { | |
1330 | SysPrintf("Starting async CD thread\n"); | |
1331 | ||
1332 | if (read_thread_running == TRUE) | |
1333 | return; | |
1334 | ||
1335 | read_thread_running = TRUE; | |
1336 | read_thread_sector_start = -1; | |
1337 | read_thread_sector_end = -1; | |
1338 | sectorbuffer_index = 0; | |
1339 | ||
1340 | sectorbuffer = calloc(SECTOR_BUFFER_SIZE, sizeof(SectorBufferEntry)); | |
1341 | if(!sectorbuffer) | |
1342 | goto error; | |
1343 | ||
1344 | sectorbuffer[0].sector = -1; // Otherwise we might think we've already fetched sector 0! | |
1345 | ||
1346 | sync_CDR_getBuffer = CDR_getBuffer; | |
1347 | CDR_getBuffer = ISOgetBuffer_async; | |
1348 | sync_cdimg_read_func = cdimg_read_func; | |
1349 | cdimg_read_func = cdread_async; | |
1350 | ||
1351 | if (pthread_cond_init(&read_thread_msg_avail, NULL) || | |
1352 | pthread_cond_init(&read_thread_msg_done, NULL) || | |
1353 | pthread_mutex_init(&read_thread_msg_lock, NULL) || | |
1354 | pthread_cond_init(§orbuffer_cond, NULL) || | |
1355 | pthread_mutex_init(§orbuffer_lock, NULL) || | |
1356 | pthread_create(&read_thread_id, NULL, readThreadMain, NULL)) | |
1357 | goto error; | |
1358 | ||
1359 | return; | |
1360 | ||
1361 | error: | |
1362 | SysPrintf("Error starting async CD thread\n"); | |
1363 | SysPrintf("Falling back to sync\n"); | |
1364 | ||
1365 | readThreadStop(); | |
1366 | } | |
1367 | #endif | |
1368 | ||
77160d47 | 1369 | static int cdread_normal(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1370 | { |
77160d47 | 1371 | fseek(f, base + sector * CD_FRAMESIZE_RAW, SEEK_SET); |
81abe4d5 | 1372 | return fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1373 | } |
1374 | ||
77160d47 | 1375 | static int cdread_sub_mixed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1376 | { |
1377 | int ret; | |
1378 | ||
77160d47 | 1379 | fseek(f, base + sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET); |
81abe4d5 | 1380 | ret = fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1381 | fread(subbuffer, 1, SUB_FRAMESIZE, f); |
1382 | ||
1383 | if (subChanRaw) DecodeRawSubData(); | |
1384 | ||
1385 | return ret; | |
1386 | } | |
1387 | ||
2dd6a826 | 1388 | static int uncompress2_pcsx(void *out, unsigned long *out_size, void *in, unsigned long in_size) |
9a92bffb | 1389 | { |
1390 | static z_stream z; | |
1391 | int ret = 0; | |
1392 | ||
1393 | if (z.zalloc == NULL) { | |
1394 | // XXX: one-time leak here.. | |
1395 | z.next_in = Z_NULL; | |
1396 | z.avail_in = 0; | |
1397 | z.zalloc = Z_NULL; | |
1398 | z.zfree = Z_NULL; | |
1399 | z.opaque = Z_NULL; | |
1400 | ret = inflateInit2(&z, -15); | |
1401 | } | |
1402 | else | |
1403 | ret = inflateReset(&z); | |
1404 | if (ret != Z_OK) | |
1405 | return ret; | |
1406 | ||
1407 | z.next_in = in; | |
1408 | z.avail_in = in_size; | |
1409 | z.next_out = out; | |
1410 | z.avail_out = *out_size; | |
1411 | ||
1412 | ret = inflate(&z, Z_NO_FLUSH); | |
1413 | //inflateEnd(&z); | |
1414 | ||
1415 | *out_size -= z.avail_out; | |
1416 | return ret == 1 ? 0 : ret; | |
1417 | } | |
1418 | ||
77160d47 | 1419 | static int cdread_compressed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1420 | { |
0877957a | 1421 | unsigned long cdbuffer_size, cdbuffer_size_expect; |
cc376814 | 1422 | unsigned int size; |
0877957a | 1423 | int is_compressed; |
cc376814 | 1424 | off_t start_byte; |
9a92bffb | 1425 | int ret, block; |
1426 | ||
77160d47 | 1427 | if (base) |
1428 | sector += base / 2352; | |
1429 | ||
0877957a | 1430 | block = sector >> compr_img->block_shift; |
1431 | compr_img->sector_in_blk = sector & ((1 << compr_img->block_shift) - 1); | |
9a92bffb | 1432 | |
1433 | if (block == compr_img->current_block) { | |
1434 | //printf("hit sect %d\n", sector); | |
1435 | goto finish; | |
1436 | } | |
1437 | ||
1438 | if (sector >= compr_img->index_len * 16) { | |
f29fbd53 | 1439 | SysPrintf("sector %d is past img end\n", sector); |
9a92bffb | 1440 | return -1; |
1441 | } | |
1442 | ||
cc376814 | 1443 | start_byte = compr_img->index_table[block] & ~OFF_T_MSB; |
1444 | if (fseeko(cdHandle, start_byte, SEEK_SET) != 0) { | |
1445 | SysPrintf("seek error for block %d at %llx: ", | |
1446 | block, (long long)start_byte); | |
9a92bffb | 1447 | perror(NULL); |
1448 | return -1; | |
1449 | } | |
1450 | ||
cc376814 | 1451 | is_compressed = !(compr_img->index_table[block] & OFF_T_MSB); |
1452 | size = (compr_img->index_table[block + 1] & ~OFF_T_MSB) - start_byte; | |
9a92bffb | 1453 | if (size > sizeof(compr_img->buff_compressed)) { |
f29fbd53 | 1454 | SysPrintf("block %d is too large: %u\n", block, size); |
9a92bffb | 1455 | return -1; |
1456 | } | |
1457 | ||
0877957a | 1458 | if (fread(is_compressed ? compr_img->buff_compressed : compr_img->buff_raw[0], |
1459 | 1, size, cdHandle) != size) { | |
f29fbd53 | 1460 | SysPrintf("read error for block %d at %x: ", block, start_byte); |
9a92bffb | 1461 | perror(NULL); |
1462 | return -1; | |
1463 | } | |
1464 | ||
0877957a | 1465 | if (is_compressed) { |
1466 | cdbuffer_size_expect = sizeof(compr_img->buff_raw[0]) << compr_img->block_shift; | |
1467 | cdbuffer_size = cdbuffer_size_expect; | |
2dd6a826 | 1468 | ret = uncompress2_pcsx(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size); |
0877957a | 1469 | if (ret != 0) { |
f29fbd53 | 1470 | SysPrintf("uncompress failed with %d for block %d, sector %d\n", |
0877957a | 1471 | ret, block, sector); |
1472 | return -1; | |
1473 | } | |
1474 | if (cdbuffer_size != cdbuffer_size_expect) | |
f29fbd53 | 1475 | SysPrintf("cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size, |
0877957a | 1476 | cdbuffer_size_expect, sector); |
9a92bffb | 1477 | } |
9a92bffb | 1478 | |
1479 | // done at last! | |
1480 | compr_img->current_block = block; | |
1481 | ||
1482 | finish: | |
1483 | if (dest != cdbuffer) // copy avoid HACK | |
81abe4d5 | 1484 | memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk], |
1485 | CD_FRAMESIZE_RAW); | |
1486 | return CD_FRAMESIZE_RAW; | |
9a92bffb | 1487 | } |
1488 | ||
b0ec2e6d | 1489 | #ifdef HAVE_CHD |
ce188d4d | 1490 | static int cdread_chd(FILE *f, unsigned int base, void *dest, int sector) |
1491 | { | |
1492 | int hunk; | |
1493 | ||
1494 | if (base) | |
055b81e1 | 1495 | sector += base; |
ce188d4d | 1496 | |
1497 | hunk = sector / chd_img->sectors_per_hunk; | |
1498 | chd_img->sector_in_hunk = sector % chd_img->sectors_per_hunk; | |
1499 | ||
055b81e1 | 1500 | if (hunk != chd_img->current_hunk) |
1501 | { | |
1502 | chd_read(chd_img->chd, hunk, chd_img->buffer); | |
1503 | chd_img->current_hunk = hunk; | |
1504 | } | |
ce188d4d | 1505 | |
ce188d4d | 1506 | if (dest != cdbuffer) // copy avoid HACK |
1507 | memcpy(dest, chd_img->buffer[chd_img->sector_in_hunk], | |
1508 | CD_FRAMESIZE_RAW); | |
1509 | return CD_FRAMESIZE_RAW; | |
1510 | } | |
b0ec2e6d | 1511 | #endif |
77160d47 | 1512 | static int cdread_2048(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1513 | { |
1514 | int ret; | |
1515 | ||
77160d47 | 1516 | fseek(f, base + sector * 2048, SEEK_SET); |
81abe4d5 | 1517 | ret = fread((char *)dest + 12 * 2, 1, 2048, f); |
9a92bffb | 1518 | |
1519 | // not really necessary, fake mode 2 header | |
81abe4d5 | 1520 | memset(cdbuffer, 0, 12 * 2); |
1521 | sec2msf(sector + 2 * 75, (char *)&cdbuffer[12]); | |
1522 | cdbuffer[12 + 3] = 1; | |
9a92bffb | 1523 | |
1524 | return ret; | |
1525 | } | |
1526 | ||
679b71e2 JW |
1527 | #ifndef _WIN32 |
1528 | ||
1529 | static int cdread_async(FILE *f, unsigned int base, void *dest, int sector) { | |
1530 | boolean found = FALSE; | |
1531 | int i = sector % SECTOR_BUFFER_SIZE; | |
1532 | long ret; | |
1533 | ||
1534 | if (f != cdHandle || base != 0 || dest != cdbuffer) { | |
1535 | // Async reads are only supported for cdbuffer, so call the sync | |
1536 | // function directly. | |
1537 | return sync_cdimg_read_func(f, base, dest, sector); | |
1538 | } | |
1539 | ||
1540 | pthread_mutex_lock(&read_thread_msg_lock); | |
1541 | ||
1542 | // Only wait if we're not trying to read the next sector and | |
1543 | // sector_start is set (meaning the last request hasn't been | |
1544 | // processed yet) | |
1545 | while(read_thread_sector_start != -1 && read_thread_sector_end + 1 != sector) { | |
1546 | pthread_cond_wait(&read_thread_msg_done, &read_thread_msg_lock); | |
1547 | } | |
1548 | ||
1549 | if (read_thread_sector_start == -1) | |
1550 | read_thread_sector_start = sector; | |
1551 | ||
1552 | read_thread_sector_end = sector; | |
1553 | pthread_cond_signal(&read_thread_msg_avail); | |
1554 | pthread_mutex_unlock(&read_thread_msg_lock); | |
1555 | ||
1556 | do { | |
1557 | pthread_mutex_lock(§orbuffer_lock); | |
1558 | if (sectorbuffer[i].sector == sector) { | |
1559 | sectorbuffer_index = i; | |
1560 | ret = sectorbuffer[i].ret; | |
1561 | found = TRUE; | |
1562 | } | |
1563 | ||
1564 | if (!found) { | |
1565 | pthread_cond_wait(§orbuffer_cond, §orbuffer_lock); | |
1566 | } | |
1567 | pthread_mutex_unlock(§orbuffer_lock); | |
1568 | } while (!found); | |
1569 | ||
1570 | return ret; | |
1571 | } | |
1572 | ||
1573 | #endif | |
1574 | ||
9a92bffb | 1575 | static unsigned char * CALLBACK ISOgetBuffer_compr(void) { |
1576 | return compr_img->buff_raw[compr_img->sector_in_blk] + 12; | |
1577 | } | |
1578 | ||
b0ec2e6d | 1579 | #ifdef HAVE_CHD |
ce188d4d | 1580 | static unsigned char * CALLBACK ISOgetBuffer_chd(void) { |
1581 | return chd_img->buffer[chd_img->sector_in_hunk] + 12; | |
1582 | } | |
b0ec2e6d | 1583 | #endif |
ce188d4d | 1584 | |
679b71e2 JW |
1585 | #ifndef _WIN32 |
1586 | static unsigned char * CALLBACK ISOgetBuffer_async(void) { | |
1587 | unsigned char *buffer; | |
1588 | pthread_mutex_lock(§orbuffer_lock); | |
1589 | buffer = sectorbuffer[sectorbuffer_index].data; | |
1590 | pthread_mutex_unlock(§orbuffer_lock); | |
1591 | return buffer + 12; | |
1592 | } | |
1593 | ||
1594 | #endif | |
1595 | ||
9a92bffb | 1596 | static unsigned char * CALLBACK ISOgetBuffer(void) { |
81abe4d5 | 1597 | return cdbuffer + 12; |
9a92bffb | 1598 | } |
1599 | ||
ef79bbde P |
1600 | static void PrintTracks(void) { |
1601 | int i; | |
1602 | ||
1603 | for (i = 1; i <= numtracks; i++) { | |
1604 | SysPrintf(_("Track %.2d (%s) - Start %.2d:%.2d:%.2d, Length %.2d:%.2d:%.2d\n"), | |
1605 | i, (ti[i].type == DATA ? "DATA" : "AUDIO"), | |
1606 | ti[i].start[0], ti[i].start[1], ti[i].start[2], | |
1607 | ti[i].length[0], ti[i].length[1], ti[i].length[2]); | |
1608 | } | |
1609 | } | |
1610 | ||
1611 | // This function is invoked by the front-end when opening an ISO | |
1612 | // file for playback | |
1613 | static long CALLBACK ISOopen(void) { | |
9a92bffb | 1614 | boolean isMode1ISO = FALSE; |
689e0447 | 1615 | char alt_bin_filename[MAXPATHLEN]; |
1616 | const char *bin_filename; | |
208177a7 | 1617 | char image_str[1024] = {0}; |
9a92bffb | 1618 | |
ef79bbde P |
1619 | if (cdHandle != NULL) { |
1620 | return 0; // it's already open | |
1621 | } | |
1622 | ||
1623 | cdHandle = fopen(GetIsoFile(), "rb"); | |
1624 | if (cdHandle == NULL) { | |
2e058581 | 1625 | SysPrintf(_("Could't open '%s' for reading: %s\n"), |
1626 | GetIsoFile(), strerror(errno)); | |
ef79bbde P |
1627 | return -1; |
1628 | } | |
1629 | ||
208177a7 | 1630 | sprintf(image_str, "Loaded CD Image: %s", GetIsoFile()); |
ef79bbde P |
1631 | |
1632 | cddaBigEndian = FALSE; | |
1633 | subChanMixed = FALSE; | |
1634 | subChanRaw = FALSE; | |
8aa91443 | 1635 | pregapOffset = 0; |
0c2871a7 | 1636 | cdrIsoMultidiskCount = 1; |
deebc67f | 1637 | multifile = 0; |
ef79bbde | 1638 | |
9a92bffb | 1639 | CDR_getBuffer = ISOgetBuffer; |
1640 | cdimg_read_func = cdread_normal; | |
1641 | ||
92f43ab0 | 1642 | if (parsetoc(GetIsoFile()) == 0) { |
208177a7 | 1643 | strcat(image_str, "[+toc]"); |
ef79bbde P |
1644 | } |
1645 | else if (parseccd(GetIsoFile()) == 0) { | |
208177a7 | 1646 | strcat(image_str, "[+ccd]"); |
ef79bbde P |
1647 | } |
1648 | else if (parsemds(GetIsoFile()) == 0) { | |
208177a7 | 1649 | strcat(image_str, "[+mds]"); |
ef79bbde | 1650 | } |
92f43ab0 | 1651 | else if (parsecue(GetIsoFile()) == 0) { |
208177a7 | 1652 | strcat(image_str, "[+cue]"); |
92f43ab0 | 1653 | } |
0877957a | 1654 | if (handlepbp(GetIsoFile()) == 0) { |
208177a7 | 1655 | strcat(image_str, "[+pbp]"); |
9a92bffb | 1656 | CDR_getBuffer = ISOgetBuffer_compr; |
1657 | cdimg_read_func = cdread_compressed; | |
1658 | } | |
0877957a | 1659 | else if (handlecbin(GetIsoFile()) == 0) { |
208177a7 | 1660 | strcat(image_str, "[+cbin]"); |
0877957a | 1661 | CDR_getBuffer = ISOgetBuffer_compr; |
1662 | cdimg_read_func = cdread_compressed; | |
1663 | } | |
b0ec2e6d | 1664 | #ifdef HAVE_CHD |
ce188d4d | 1665 | else if (handlechd(GetIsoFile()) == 0) { |
208177a7 | 1666 | strcat(image_str, "[+chd]"); |
ce188d4d | 1667 | CDR_getBuffer = ISOgetBuffer_chd; |
1668 | cdimg_read_func = cdread_chd; | |
1669 | } | |
b0ec2e6d | 1670 | #endif |
ef79bbde P |
1671 | |
1672 | if (!subChanMixed && opensubfile(GetIsoFile()) == 0) { | |
208177a7 | 1673 | strcat(image_str, "[+sub]"); |
ef79bbde | 1674 | } |
ae4e7dc9 | 1675 | if (opensbifile(GetIsoFile()) == 0) { |
208177a7 | 1676 | strcat(image_str, "[+sbi]"); |
ae4e7dc9 | 1677 | } |
ef79bbde | 1678 | |
cc376814 | 1679 | fseeko(cdHandle, 0, SEEK_END); |
c9e5423e | 1680 | |
1681 | // maybe user selected metadata file instead of main .bin .. | |
689e0447 | 1682 | bin_filename = GetIsoFile(); |
cc376814 | 1683 | if (ftello(cdHandle) < 2352 * 0x10) { |
c9e5423e | 1684 | static const char *exts[] = { ".bin", ".BIN", ".img", ".IMG" }; |
689e0447 | 1685 | FILE *tmpf = NULL; |
c9e5423e | 1686 | size_t i; |
689e0447 | 1687 | char *p; |
c9e5423e | 1688 | |
689e0447 | 1689 | strncpy(alt_bin_filename, bin_filename, sizeof(alt_bin_filename)); |
1690 | alt_bin_filename[MAXPATHLEN - 1] = '\0'; | |
1691 | if (strlen(alt_bin_filename) >= 4) { | |
1692 | p = alt_bin_filename + strlen(alt_bin_filename) - 4; | |
c9e5423e | 1693 | for (i = 0; i < sizeof(exts) / sizeof(exts[0]); i++) { |
1694 | strcpy(p, exts[i]); | |
689e0447 | 1695 | tmpf = fopen(alt_bin_filename, "rb"); |
1696 | if (tmpf != NULL) | |
c9e5423e | 1697 | break; |
c9e5423e | 1698 | } |
1699 | } | |
689e0447 | 1700 | if (tmpf != NULL) { |
1701 | bin_filename = alt_bin_filename; | |
1702 | fclose(cdHandle); | |
1703 | cdHandle = tmpf; | |
cc376814 | 1704 | fseeko(cdHandle, 0, SEEK_END); |
689e0447 | 1705 | } |
c9e5423e | 1706 | } |
1707 | ||
1708 | // guess whether it is mode1/2048 | |
cc376814 | 1709 | if (ftello(cdHandle) % 2048 == 0) { |
9a92bffb | 1710 | unsigned int modeTest = 0; |
1711 | fseek(cdHandle, 0, SEEK_SET); | |
1712 | fread(&modeTest, 4, 1, cdHandle); | |
1713 | if (SWAP32(modeTest) != 0xffffff00) { | |
208177a7 | 1714 | strcat(image_str, "[2048]"); |
9a92bffb | 1715 | isMode1ISO = TRUE; |
1716 | } | |
1717 | } | |
1718 | fseek(cdHandle, 0, SEEK_SET); | |
1719 | ||
208177a7 | 1720 | SysPrintf("%s.\n", image_str); |
ef79bbde P |
1721 | |
1722 | PrintTracks(); | |
1723 | ||
9a92bffb | 1724 | if (subChanMixed) |
1725 | cdimg_read_func = cdread_sub_mixed; | |
1726 | else if (isMode1ISO) | |
1727 | cdimg_read_func = cdread_2048; | |
1728 | ||
38b8102c | 1729 | // make sure we have another handle open for cdda |
1730 | if (numtracks > 1 && ti[1].handle == NULL) { | |
689e0447 | 1731 | ti[1].handle = fopen(bin_filename, "rb"); |
38b8102c | 1732 | } |
77160d47 | 1733 | cdda_cur_sector = 0; |
1734 | cdda_file_offset = 0; | |
38b8102c | 1735 | |
679b71e2 JW |
1736 | if (Config.AsyncCD) { |
1737 | readThreadStart(); | |
1738 | } | |
ef79bbde P |
1739 | return 0; |
1740 | } | |
1741 | ||
1742 | static long CALLBACK ISOclose(void) { | |
38b8102c | 1743 | int i; |
1744 | ||
ef79bbde P |
1745 | if (cdHandle != NULL) { |
1746 | fclose(cdHandle); | |
1747 | cdHandle = NULL; | |
1748 | } | |
1749 | if (subHandle != NULL) { | |
1750 | fclose(subHandle); | |
1751 | subHandle = NULL; | |
1752 | } | |
1753 | stopCDDA(); | |
38b8102c | 1754 | cddaHandle = NULL; |
1755 | ||
9a92bffb | 1756 | if (compr_img != NULL) { |
1757 | free(compr_img->index_table); | |
1758 | free(compr_img); | |
1759 | compr_img = NULL; | |
1760 | } | |
1761 | ||
b0ec2e6d | 1762 | #ifdef HAVE_CHD |
ce188d4d | 1763 | if (chd_img != NULL) { |
1764 | chd_close(chd_img->chd); | |
1765 | free(chd_img->buffer); | |
1766 | free(chd_img); | |
1767 | chd_img = NULL; | |
1768 | } | |
b0ec2e6d | 1769 | #endif |
ce188d4d | 1770 | |
38b8102c | 1771 | for (i = 1; i <= numtracks; i++) { |
1772 | if (ti[i].handle != NULL) { | |
1773 | fclose(ti[i].handle); | |
1774 | ti[i].handle = NULL; | |
1775 | } | |
1776 | } | |
1777 | numtracks = 0; | |
c0ee7ac6 | 1778 | ti[1].type = 0; |
ae4e7dc9 | 1779 | UnloadSBI(); |
38b8102c | 1780 | |
c0ee7ac6 | 1781 | memset(cdbuffer, 0, sizeof(cdbuffer)); |
1782 | CDR_getBuffer = ISOgetBuffer; | |
1783 | ||
49942a16 | 1784 | if (Config.AsyncCD) { |
1785 | readThreadStop(); | |
1786 | } | |
1787 | ||
38b8102c | 1788 | return 0; |
1789 | } | |
1790 | ||
1791 | static long CALLBACK ISOinit(void) { | |
1792 | assert(cdHandle == NULL); | |
1793 | assert(subHandle == NULL); | |
1794 | ||
1795 | return 0; // do nothing | |
1796 | } | |
1797 | ||
1798 | static long CALLBACK ISOshutdown(void) { | |
1799 | ISOclose(); | |
ef79bbde P |
1800 | return 0; |
1801 | } | |
1802 | ||
1803 | // return Starting and Ending Track | |
1804 | // buffer: | |
1805 | // byte 0 - start track | |
1806 | // byte 1 - end track | |
1807 | static long CALLBACK ISOgetTN(unsigned char *buffer) { | |
1808 | buffer[0] = 1; | |
1809 | ||
1810 | if (numtracks > 0) { | |
1811 | buffer[1] = numtracks; | |
1812 | } | |
1813 | else { | |
1814 | buffer[1] = 1; | |
1815 | } | |
1816 | ||
1817 | return 0; | |
1818 | } | |
1819 | ||
1820 | // return Track Time | |
1821 | // buffer: | |
1822 | // byte 0 - frame | |
1823 | // byte 1 - second | |
1824 | // byte 2 - minute | |
1825 | static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) { | |
858ad511 | 1826 | if (track == 0) { |
858ad511 | 1827 | unsigned int sect; |
1828 | unsigned char time[3]; | |
1829 | sect = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length); | |
ab948f7e | 1830 | sec2msf(sect, (char *)time); |
858ad511 | 1831 | buffer[2] = time[0]; |
1832 | buffer[1] = time[1]; | |
1833 | buffer[0] = time[2]; | |
1834 | } | |
1835 | else if (numtracks > 0 && track <= numtracks) { | |
ef79bbde P |
1836 | buffer[2] = ti[track].start[0]; |
1837 | buffer[1] = ti[track].start[1]; | |
1838 | buffer[0] = ti[track].start[2]; | |
1839 | } | |
1840 | else { | |
1841 | buffer[2] = 0; | |
1842 | buffer[1] = 2; | |
1843 | buffer[0] = 0; | |
1844 | } | |
1845 | ||
1846 | return 0; | |
1847 | } | |
1848 | ||
1849 | // decode 'raw' subchannel data ripped by cdrdao | |
1850 | static void DecodeRawSubData(void) { | |
1851 | unsigned char subQData[12]; | |
1852 | int i; | |
1853 | ||
1854 | memset(subQData, 0, sizeof(subQData)); | |
1855 | ||
1856 | for (i = 0; i < 8 * 12; i++) { | |
1857 | if (subbuffer[i] & (1 << 6)) { // only subchannel Q is needed | |
1858 | subQData[i >> 3] |= (1 << (7 - (i & 7))); | |
1859 | } | |
1860 | } | |
1861 | ||
1862 | memcpy(&subbuffer[12], subQData, 12); | |
1863 | } | |
1864 | ||
1865 | // read track | |
1866 | // time: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1867 | // uses bcd format | |
1868 | static long CALLBACK ISOreadTrack(unsigned char *time) { | |
19c03d80 | 1869 | int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])); |
c0ee7ac6 | 1870 | long ret; |
19c03d80 | 1871 | |
ef79bbde P |
1872 | if (cdHandle == NULL) { |
1873 | return -1; | |
1874 | } | |
1875 | ||
8aa91443 | 1876 | if (pregapOffset) { |
1877 | subChanMissing = FALSE; | |
1878 | if (sector >= pregapOffset) { | |
1879 | sector -= 2 * 75; | |
1880 | if (sector < pregapOffset) | |
1881 | subChanMissing = TRUE; | |
1882 | } | |
1883 | } | |
1884 | ||
c0ee7ac6 | 1885 | ret = cdimg_read_func(cdHandle, 0, cdbuffer, sector); |
1886 | if (ret < 0) | |
1887 | return -1; | |
ef79bbde | 1888 | |
9a92bffb | 1889 | if (subHandle != NULL) { |
1890 | fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET); | |
1891 | fread(subbuffer, 1, SUB_FRAMESIZE, subHandle); | |
ef79bbde | 1892 | |
9a92bffb | 1893 | if (subChanRaw) DecodeRawSubData(); |
ef79bbde P |
1894 | } |
1895 | ||
1896 | return 0; | |
1897 | } | |
1898 | ||
ef79bbde P |
1899 | // plays cdda audio |
1900 | // sector: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1901 | // does NOT uses bcd format | |
1902 | static long CALLBACK ISOplay(unsigned char *time) { | |
77160d47 | 1903 | unsigned int i; |
38b8102c | 1904 | |
7b8da7ab | 1905 | if (numtracks <= 1) |
1906 | return 0; | |
1907 | ||
38b8102c | 1908 | // find the track |
77160d47 | 1909 | cdda_cur_sector = msf2sec((char *)time); |
2058d51f | 1910 | for (i = numtracks; i > 1; i--) { |
77160d47 | 1911 | cdda_first_sector = msf2sec(ti[i].start); |
1912 | if (cdda_first_sector <= cdda_cur_sector + 2 * 75) | |
38b8102c | 1913 | break; |
2058d51f | 1914 | } |
77160d47 | 1915 | cdda_file_offset = ti[i].start_offset; |
19c03d80 | 1916 | |
38b8102c | 1917 | // find the file that contains this track |
1918 | for (; i > 1; i--) | |
1919 | if (ti[i].handle != NULL) | |
1920 | break; | |
1921 | ||
2058d51f | 1922 | cddaHandle = ti[i].handle; |
8aa91443 | 1923 | |
77160d47 | 1924 | if (SPU_playCDDAchannel != NULL) |
1925 | startCDDA(); | |
1926 | ||
ef79bbde P |
1927 | return 0; |
1928 | } | |
1929 | ||
1930 | // stops cdda audio | |
1931 | static long CALLBACK ISOstop(void) { | |
1932 | stopCDDA(); | |
1933 | return 0; | |
1934 | } | |
1935 | ||
1936 | // gets subchannel data | |
1937 | static unsigned char* CALLBACK ISOgetBufferSub(void) { | |
8aa91443 | 1938 | if ((subHandle != NULL || subChanMixed) && !subChanMissing) { |
ef79bbde P |
1939 | return subbuffer; |
1940 | } | |
1941 | ||
1942 | return NULL; | |
1943 | } | |
1944 | ||
1945 | static long CALLBACK ISOgetStatus(struct CdrStat *stat) { | |
deebc67f | 1946 | u32 sect; |
1947 | ||
ef79bbde | 1948 | CDR__getStatus(stat); |
deebc67f | 1949 | |
ef79bbde P |
1950 | if (playing) { |
1951 | stat->Type = 0x02; | |
1952 | stat->Status |= 0x80; | |
ef79bbde P |
1953 | } |
1954 | else { | |
deebc67f | 1955 | // BIOS - boot ID (CD type) |
1956 | stat->Type = ti[1].type; | |
1957 | } | |
1958 | ||
1959 | // relative -> absolute time | |
1960 | sect = cddaCurPos; | |
1961 | sec2msf(sect, (char *)stat->Time); | |
1962 | ||
1963 | return 0; | |
1964 | } | |
1965 | ||
1966 | // read CDDA sector into buffer | |
1967 | long CALLBACK ISOreadCDDA(unsigned char m, unsigned char s, unsigned char f, unsigned char *buffer) { | |
1968 | unsigned char msf[3] = {m, s, f}; | |
1969 | unsigned int file, track, track_start = 0; | |
1970 | int ret; | |
1971 | ||
1972 | cddaCurPos = msf2sec((char *)msf); | |
1973 | ||
1974 | // find current track index | |
1975 | for (track = numtracks; ; track--) { | |
1976 | track_start = msf2sec(ti[track].start); | |
1977 | if (track_start <= cddaCurPos) | |
1978 | break; | |
1979 | if (track == 1) | |
1980 | break; | |
1981 | } | |
1982 | ||
1983 | // data tracks play silent | |
1984 | if (ti[track].type != CDDA) { | |
1985 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
1986 | return 0; | |
1987 | } | |
1988 | ||
1989 | file = 1; | |
1990 | if (multifile) { | |
1991 | // find the file that contains this track | |
1992 | for (file = track; file > 1; file--) | |
1993 | if (ti[file].handle != NULL) | |
1994 | break; | |
ef79bbde P |
1995 | } |
1996 | ||
deebc67f | 1997 | ret = cdimg_read_func(ti[file].handle, ti[track].start_offset, |
1998 | buffer, cddaCurPos - track_start); | |
1999 | if (ret != CD_FRAMESIZE_RAW) { | |
2000 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
2001 | return -1; | |
2002 | } | |
2003 | ||
2004 | if (cddaBigEndian) { | |
2005 | int i; | |
2006 | unsigned char tmp; | |
2007 | ||
2008 | for (i = 0; i < CD_FRAMESIZE_RAW / 2; i++) { | |
2009 | tmp = buffer[i * 2]; | |
2010 | buffer[i * 2] = buffer[i * 2 + 1]; | |
2011 | buffer[i * 2 + 1] = tmp; | |
2012 | } | |
2013 | } | |
858ad511 | 2014 | |
ef79bbde P |
2015 | return 0; |
2016 | } | |
2017 | ||
2018 | void cdrIsoInit(void) { | |
2019 | CDR_init = ISOinit; | |
2020 | CDR_shutdown = ISOshutdown; | |
2021 | CDR_open = ISOopen; | |
2022 | CDR_close = ISOclose; | |
2023 | CDR_getTN = ISOgetTN; | |
2024 | CDR_getTD = ISOgetTD; | |
2025 | CDR_readTrack = ISOreadTrack; | |
2026 | CDR_getBuffer = ISOgetBuffer; | |
2027 | CDR_play = ISOplay; | |
2028 | CDR_stop = ISOstop; | |
2029 | CDR_getBufferSub = ISOgetBufferSub; | |
2030 | CDR_getStatus = ISOgetStatus; | |
deebc67f | 2031 | CDR_readCDDA = ISOreadCDDA; |
ef79bbde P |
2032 | |
2033 | CDR_getDriveLetter = CDR__getDriveLetter; | |
2034 | CDR_configure = CDR__configure; | |
2035 | CDR_test = CDR__test; | |
2036 | CDR_about = CDR__about; | |
2037 | CDR_setfilename = CDR__setfilename; | |
2038 | ||
2039 | numtracks = 0; | |
2040 | } | |
2041 | ||
2042 | int cdrIsoActive(void) { | |
2043 | return (cdHandle != NULL); | |
2044 | } |