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ef79bbde P |
1 | /*************************************************************************** |
2 | * Copyright (C) 2007 PCSX-df Team * | |
3 | * Copyright (C) 2009 Wei Mingzhi * | |
77160d47 | 4 | * Copyright (C) 2012 notaz * |
ef79bbde P |
5 | * * |
6 | * This program is free software; you can redistribute it and/or modify * | |
7 | * it under the terms of the GNU General Public License as published by * | |
8 | * the Free Software Foundation; either version 2 of the License, or * | |
9 | * (at your option) any later version. * | |
10 | * * | |
11 | * This program is distributed in the hope that it will be useful, * | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
14 | * GNU General Public License for more details. * | |
15 | * * | |
16 | * You should have received a copy of the GNU General Public License * | |
17 | * along with this program; if not, write to the * | |
18 | * Free Software Foundation, Inc., * | |
deebc67f | 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * |
ef79bbde P |
20 | ***************************************************************************/ |
21 | ||
22 | #include "psxcommon.h" | |
23 | #include "plugins.h" | |
24 | #include "cdrom.h" | |
25 | #include "cdriso.h" | |
ae4e7dc9 | 26 | #include "ppf.h" |
ef79bbde P |
27 | |
28 | #ifdef _WIN32 | |
003cfc63 | 29 | #define WIN32_LEAN_AND_MEAN |
ef79bbde P |
30 | #include <process.h> |
31 | #include <windows.h> | |
deebc67f | 32 | #define strcasecmp _stricmp |
003cfc63 | 33 | #define usleep(x) Sleep((x) / 1000) |
ef79bbde P |
34 | #else |
35 | #include <pthread.h> | |
36 | #include <sys/time.h> | |
349f7d81 | 37 | #include <unistd.h> |
ef79bbde | 38 | #endif |
2e058581 | 39 | #include <errno.h> |
9a92bffb | 40 | #include <zlib.h> |
ef79bbde | 41 | |
0c2871a7 | 42 | unsigned int cdrIsoMultidiskCount; |
43 | unsigned int cdrIsoMultidiskSelect; | |
44 | ||
ef79bbde P |
45 | static FILE *cdHandle = NULL; |
46 | static FILE *cddaHandle = NULL; | |
47 | static FILE *subHandle = NULL; | |
48 | ||
49 | static boolean subChanMixed = FALSE; | |
50 | static boolean subChanRaw = FALSE; | |
8aa91443 | 51 | static boolean subChanMissing = FALSE; |
ef79bbde | 52 | |
deebc67f | 53 | static boolean multifile = FALSE; |
54 | ||
81abe4d5 | 55 | static unsigned char cdbuffer[CD_FRAMESIZE_RAW]; |
ef79bbde P |
56 | static unsigned char subbuffer[SUB_FRAMESIZE]; |
57 | ||
58 | static unsigned char sndbuffer[CD_FRAMESIZE_RAW * 10]; | |
59 | ||
60 | #define CDDA_FRAMETIME (1000 * (sizeof(sndbuffer) / CD_FRAMESIZE_RAW) / 75) | |
61 | ||
62 | #ifdef _WIN32 | |
63 | static HANDLE threadid; | |
64 | #else | |
65 | static pthread_t threadid; | |
66 | #endif | |
67 | static unsigned int initial_offset = 0; | |
38b8102c | 68 | static boolean playing = FALSE; |
ef79bbde | 69 | static boolean cddaBigEndian = FALSE; |
77160d47 | 70 | // cdda sectors in toc, byte offset in file |
9a92bffb | 71 | static unsigned int cdda_cur_sector; |
2058d51f | 72 | static unsigned int cdda_first_sector; |
77160d47 | 73 | static unsigned int cdda_file_offset; |
8aa91443 | 74 | /* Frame offset into CD image where pregap data would be found if it was there. |
75 | * If a game seeks there we must *not* return subchannel data since it's | |
76 | * not in the CD image, so that cdrom code can fake subchannel data instead. | |
77 | * XXX: there could be multiple pregaps but PSX dumps only have one? */ | |
78 | static unsigned int pregapOffset; | |
ef79bbde | 79 | |
deebc67f | 80 | #define cddaCurPos cdda_cur_sector |
81 | ||
9a92bffb | 82 | // compressed image stuff |
83 | static struct { | |
84 | unsigned char buff_raw[16][CD_FRAMESIZE_RAW]; | |
85 | unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100]; | |
86 | unsigned int *index_table; | |
87 | unsigned int index_len; | |
0877957a | 88 | unsigned int block_shift; |
9a92bffb | 89 | unsigned int current_block; |
90 | unsigned int sector_in_blk; | |
91 | } *compr_img; | |
92 | ||
77160d47 | 93 | int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector); |
9a92bffb | 94 | |
ef79bbde P |
95 | char* CALLBACK CDR__getDriveLetter(void); |
96 | long CALLBACK CDR__configure(void); | |
97 | long CALLBACK CDR__test(void); | |
98 | void CALLBACK CDR__about(void); | |
99 | long CALLBACK CDR__setfilename(char *filename); | |
100 | long CALLBACK CDR__getStatus(struct CdrStat *stat); | |
101 | ||
19c03d80 | 102 | static void DecodeRawSubData(void); |
103 | ||
ef79bbde | 104 | struct trackinfo { |
deebc67f | 105 | enum {DATA=1, CDDA} type; |
ef79bbde P |
106 | char start[3]; // MSF-format |
107 | char length[3]; // MSF-format | |
38b8102c | 108 | FILE *handle; // for multi-track images CDDA |
77160d47 | 109 | unsigned int start_offset; // byte offset from start of above file |
ef79bbde P |
110 | }; |
111 | ||
112 | #define MAXTRACKS 100 /* How many tracks can a CD hold? */ | |
113 | ||
114 | static int numtracks = 0; | |
115 | static struct trackinfo ti[MAXTRACKS]; | |
116 | ||
117 | // get a sector from a msf-array | |
118 | static unsigned int msf2sec(char *msf) { | |
119 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; | |
120 | } | |
121 | ||
122 | static void sec2msf(unsigned int s, char *msf) { | |
123 | msf[0] = s / 75 / 60; | |
124 | s = s - msf[0] * 75 * 60; | |
125 | msf[1] = s / 75; | |
126 | s = s - msf[1] * 75; | |
127 | msf[2] = s; | |
128 | } | |
129 | ||
130 | // divide a string of xx:yy:zz into m, s, f | |
131 | static void tok2msf(char *time, char *msf) { | |
132 | char *token; | |
133 | ||
134 | token = strtok(time, ":"); | |
135 | if (token) { | |
136 | msf[0] = atoi(token); | |
137 | } | |
138 | else { | |
139 | msf[0] = 0; | |
140 | } | |
141 | ||
142 | token = strtok(NULL, ":"); | |
143 | if (token) { | |
144 | msf[1] = atoi(token); | |
145 | } | |
146 | else { | |
147 | msf[1] = 0; | |
148 | } | |
149 | ||
150 | token = strtok(NULL, ":"); | |
151 | if (token) { | |
152 | msf[2] = atoi(token); | |
153 | } | |
154 | else { | |
155 | msf[2] = 0; | |
156 | } | |
157 | } | |
158 | ||
159 | #ifndef _WIN32 | |
160 | static long GetTickCount(void) { | |
161 | static time_t initial_time = 0; | |
162 | struct timeval now; | |
163 | ||
164 | gettimeofday(&now, NULL); | |
165 | ||
166 | if (initial_time == 0) { | |
167 | initial_time = now.tv_sec; | |
168 | } | |
169 | ||
170 | return (now.tv_sec - initial_time) * 1000L + now.tv_usec / 1000L; | |
171 | } | |
172 | #endif | |
173 | ||
174 | // this thread plays audio data | |
175 | #ifdef _WIN32 | |
176 | static void playthread(void *param) | |
177 | #else | |
178 | static void *playthread(void *param) | |
179 | #endif | |
180 | { | |
983a7cfd | 181 | long osleep, d, t, i, s; |
ef79bbde | 182 | unsigned char tmp; |
77160d47 | 183 | int ret = 0, sector_offs; |
ef79bbde P |
184 | |
185 | t = GetTickCount(); | |
186 | ||
187 | while (playing) { | |
9a92bffb | 188 | s = 0; |
189 | for (i = 0; i < sizeof(sndbuffer) / CD_FRAMESIZE_RAW; i++) { | |
77160d47 | 190 | sector_offs = cdda_cur_sector - cdda_first_sector; |
191 | if (sector_offs < 0) { | |
192 | d = CD_FRAMESIZE_RAW; | |
193 | memset(sndbuffer + s, 0, d); | |
194 | } | |
195 | else { | |
196 | d = cdimg_read_func(cddaHandle, cdda_file_offset, | |
197 | sndbuffer + s, sector_offs); | |
198 | if (d < CD_FRAMESIZE_RAW) | |
199 | break; | |
200 | } | |
2058d51f | 201 | |
9a92bffb | 202 | s += d; |
203 | cdda_cur_sector++; | |
ef79bbde | 204 | } |
19c03d80 | 205 | |
ef79bbde P |
206 | if (s == 0) { |
207 | playing = FALSE; | |
ef79bbde P |
208 | initial_offset = 0; |
209 | break; | |
210 | } | |
211 | ||
212 | if (!cdr.Muted && playing) { | |
213 | if (cddaBigEndian) { | |
214 | for (i = 0; i < s / 2; i++) { | |
215 | tmp = sndbuffer[i * 2]; | |
216 | sndbuffer[i * 2] = sndbuffer[i * 2 + 1]; | |
217 | sndbuffer[i * 2 + 1] = tmp; | |
218 | } | |
219 | } | |
220 | ||
53598a71 | 221 | // can't do it yet due to readahead.. |
222 | //cdrAttenuate((short *)sndbuffer, s / 4, 1); | |
983a7cfd | 223 | do { |
224 | ret = SPU_playCDDAchannel((short *)sndbuffer, s); | |
225 | if (ret == 0x7761) | |
226 | usleep(6 * 1000); | |
227 | } while (ret == 0x7761 && playing); // rearmed_wait | |
ef79bbde | 228 | } |
983a7cfd | 229 | |
230 | if (ret != 0x676f) { // !rearmed_go | |
231 | // do approx sleep | |
232 | long now; | |
233 | ||
234 | // HACK: stop feeding data while emu is paused | |
235 | extern int stop; | |
236 | while (stop && playing) | |
237 | usleep(10000); | |
238 | ||
239 | now = GetTickCount(); | |
240 | osleep = t - now; | |
241 | if (osleep <= 0) { | |
242 | osleep = 1; | |
243 | t = now; | |
244 | } | |
245 | else if (osleep > CDDA_FRAMETIME) { | |
246 | osleep = CDDA_FRAMETIME; | |
247 | t = now; | |
248 | } | |
249 | ||
250 | usleep(osleep * 1000); | |
251 | t += CDDA_FRAMETIME; | |
252 | } | |
253 | ||
ef79bbde P |
254 | } |
255 | ||
256 | #ifdef _WIN32 | |
257 | _endthread(); | |
258 | #else | |
259 | pthread_exit(0); | |
260 | return NULL; | |
261 | #endif | |
262 | } | |
263 | ||
264 | // stop the CDDA playback | |
265 | static void stopCDDA() { | |
266 | if (!playing) { | |
267 | return; | |
268 | } | |
269 | ||
270 | playing = FALSE; | |
271 | #ifdef _WIN32 | |
272 | WaitForSingleObject(threadid, INFINITE); | |
273 | #else | |
274 | pthread_join(threadid, NULL); | |
275 | #endif | |
ef79bbde P |
276 | } |
277 | ||
278 | // start the CDDA playback | |
77160d47 | 279 | static void startCDDA(void) { |
ef79bbde | 280 | if (playing) { |
ef79bbde P |
281 | stopCDDA(); |
282 | } | |
283 | ||
ef79bbde P |
284 | playing = TRUE; |
285 | ||
286 | #ifdef _WIN32 | |
287 | threadid = (HANDLE)_beginthread(playthread, 0, NULL); | |
288 | #else | |
289 | pthread_create(&threadid, NULL, playthread, NULL); | |
290 | #endif | |
291 | } | |
292 | ||
293 | // this function tries to get the .toc file of the given .bin | |
294 | // the necessary data is put into the ti (trackinformation)-array | |
295 | static int parsetoc(const char *isofile) { | |
296 | char tocname[MAXPATHLEN]; | |
297 | FILE *fi; | |
e999be41 | 298 | char linebuf[256], tmp[256], name[256]; |
ef79bbde P |
299 | char *token; |
300 | char time[20], time2[20]; | |
e999be41 | 301 | unsigned int t, sector_offs, sector_size; |
302 | unsigned int current_zero_gap = 0; | |
ef79bbde P |
303 | |
304 | numtracks = 0; | |
305 | ||
306 | // copy name of the iso and change extension from .bin to .toc | |
307 | strncpy(tocname, isofile, sizeof(tocname)); | |
308 | tocname[MAXPATHLEN - 1] = '\0'; | |
309 | if (strlen(tocname) >= 4) { | |
310 | strcpy(tocname + strlen(tocname) - 4, ".toc"); | |
311 | } | |
312 | else { | |
313 | return -1; | |
314 | } | |
315 | ||
316 | if ((fi = fopen(tocname, "r")) == NULL) { | |
317 | // try changing extension to .cue (to satisfy some stupid tutorials) | |
318 | strcpy(tocname + strlen(tocname) - 4, ".cue"); | |
319 | if ((fi = fopen(tocname, "r")) == NULL) { | |
320 | // if filename is image.toc.bin, try removing .bin (for Brasero) | |
321 | strcpy(tocname, isofile); | |
322 | t = strlen(tocname); | |
323 | if (t >= 8 && strcmp(tocname + t - 8, ".toc.bin") == 0) { | |
324 | tocname[t - 4] = '\0'; | |
325 | if ((fi = fopen(tocname, "r")) == NULL) { | |
326 | return -1; | |
327 | } | |
328 | } | |
329 | else { | |
330 | return -1; | |
331 | } | |
332 | } | |
92f43ab0 | 333 | // check if it's really a TOC named as a .cue |
334 | fgets(linebuf, sizeof(linebuf), fi); | |
4295c491 | 335 | token = strtok(linebuf, " "); |
336 | if (token && strncmp(token, "CD", 2) != 0 && strcmp(token, "CATALOG") != 0) { | |
92f43ab0 | 337 | fclose(fi); |
338 | return -1; | |
339 | } | |
340 | fseek(fi, 0, SEEK_SET); | |
ef79bbde P |
341 | } |
342 | ||
343 | memset(&ti, 0, sizeof(ti)); | |
344 | cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio | |
345 | ||
e999be41 | 346 | sector_size = CD_FRAMESIZE_RAW; |
19c03d80 | 347 | sector_offs = 2 * 75; |
348 | ||
ef79bbde P |
349 | // parse the .toc file |
350 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
351 | // search for tracks | |
e999be41 | 352 | strncpy(tmp, linebuf, sizeof(linebuf)); |
353 | token = strtok(tmp, " "); | |
ef79bbde P |
354 | |
355 | if (token == NULL) continue; | |
356 | ||
357 | if (!strcmp(token, "TRACK")) { | |
e999be41 | 358 | sector_offs += current_zero_gap; |
359 | current_zero_gap = 0; | |
360 | ||
ef79bbde P |
361 | // get type of track |
362 | token = strtok(NULL, " "); | |
363 | numtracks++; | |
364 | ||
365 | if (!strncmp(token, "MODE2_RAW", 9)) { | |
366 | ti[numtracks].type = DATA; | |
367 | sec2msf(2 * 75, ti[numtracks].start); // assume data track on 0:2:0 | |
368 | ||
369 | // check if this image contains mixed subchannel data | |
370 | token = strtok(NULL, " "); | |
e999be41 | 371 | if (token != NULL && !strncmp(token, "RW", 2)) { |
372 | sector_size = CD_FRAMESIZE_RAW + SUB_FRAMESIZE; | |
ef79bbde | 373 | subChanMixed = TRUE; |
e999be41 | 374 | if (!strncmp(token, "RW_RAW", 6)) |
375 | subChanRaw = TRUE; | |
ef79bbde P |
376 | } |
377 | } | |
378 | else if (!strncmp(token, "AUDIO", 5)) { | |
379 | ti[numtracks].type = CDDA; | |
380 | } | |
381 | } | |
382 | else if (!strcmp(token, "DATAFILE")) { | |
383 | if (ti[numtracks].type == CDDA) { | |
384 | sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2); | |
19c03d80 | 385 | ti[numtracks].start_offset = t; |
e999be41 | 386 | t = t / sector_size + sector_offs; |
ef79bbde P |
387 | sec2msf(t, (char *)&ti[numtracks].start); |
388 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
389 | } | |
390 | else { | |
391 | sscanf(linebuf, "DATAFILE \"%[^\"]\" %8s", name, time); | |
392 | tok2msf((char *)&time, (char *)&ti[numtracks].length); | |
393 | } | |
394 | } | |
395 | else if (!strcmp(token, "FILE")) { | |
396 | sscanf(linebuf, "FILE \"%[^\"]\" #%d %8s %8s", name, &t, time, time2); | |
397 | tok2msf((char *)&time, (char *)&ti[numtracks].start); | |
e999be41 | 398 | t += msf2sec(ti[numtracks].start) * sector_size; |
19c03d80 | 399 | ti[numtracks].start_offset = t; |
e999be41 | 400 | t = t / sector_size + sector_offs; |
ef79bbde P |
401 | sec2msf(t, (char *)&ti[numtracks].start); |
402 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
403 | } | |
e999be41 | 404 | else if (!strcmp(token, "ZERO") || !strcmp(token, "SILENCE")) { |
405 | // skip unneeded optional fields | |
406 | while (token != NULL) { | |
407 | token = strtok(NULL, " "); | |
408 | if (strchr(token, ':') != NULL) | |
409 | break; | |
410 | } | |
411 | if (token != NULL) { | |
412 | tok2msf(token, tmp); | |
413 | current_zero_gap = msf2sec(tmp); | |
414 | } | |
8aa91443 | 415 | if (numtracks > 1) { |
416 | t = ti[numtracks - 1].start_offset; | |
e999be41 | 417 | t /= sector_size; |
8aa91443 | 418 | pregapOffset = t + msf2sec(ti[numtracks - 1].length); |
419 | } | |
19c03d80 | 420 | } |
e999be41 | 421 | else if (!strcmp(token, "START")) { |
422 | token = strtok(NULL, " "); | |
423 | if (token != NULL && strchr(token, ':')) { | |
424 | tok2msf(token, tmp); | |
425 | t = msf2sec(tmp); | |
426 | ti[numtracks].start_offset += (t - current_zero_gap) * sector_size; | |
427 | t = msf2sec(ti[numtracks].start) + t; | |
428 | sec2msf(t, (char *)&ti[numtracks].start); | |
429 | } | |
430 | } | |
ef79bbde P |
431 | } |
432 | ||
433 | fclose(fi); | |
434 | ||
435 | return 0; | |
436 | } | |
437 | ||
438 | // this function tries to get the .cue file of the given .bin | |
439 | // the necessary data is put into the ti (trackinformation)-array | |
440 | static int parsecue(const char *isofile) { | |
441 | char cuename[MAXPATHLEN]; | |
38b8102c | 442 | char filepath[MAXPATHLEN]; |
443 | char *incue_fname; | |
ef79bbde P |
444 | FILE *fi; |
445 | char *token; | |
446 | char time[20]; | |
447 | char *tmp; | |
19c03d80 | 448 | char linebuf[256], tmpb[256], dummy[256]; |
38b8102c | 449 | unsigned int incue_max_len; |
77160d47 | 450 | unsigned int t, file_len, mode, sector_offs; |
451 | unsigned int sector_size = 2352; | |
ef79bbde P |
452 | |
453 | numtracks = 0; | |
454 | ||
455 | // copy name of the iso and change extension from .bin to .cue | |
456 | strncpy(cuename, isofile, sizeof(cuename)); | |
457 | cuename[MAXPATHLEN - 1] = '\0'; | |
458 | if (strlen(cuename) >= 4) { | |
459 | strcpy(cuename + strlen(cuename) - 4, ".cue"); | |
460 | } | |
461 | else { | |
462 | return -1; | |
463 | } | |
464 | ||
465 | if ((fi = fopen(cuename, "r")) == NULL) { | |
466 | return -1; | |
467 | } | |
468 | ||
469 | // Some stupid tutorials wrongly tell users to use cdrdao to rip a | |
470 | // "bin/cue" image, which is in fact a "bin/toc" image. So let's check | |
471 | // that... | |
472 | if (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
473 | if (!strncmp(linebuf, "CD_ROM_XA", 9)) { | |
474 | // Don't proceed further, as this is actually a .toc file rather | |
475 | // than a .cue file. | |
476 | fclose(fi); | |
477 | return parsetoc(isofile); | |
478 | } | |
479 | fseek(fi, 0, SEEK_SET); | |
480 | } | |
481 | ||
38b8102c | 482 | // build a path for files referenced in .cue |
483 | strncpy(filepath, cuename, sizeof(filepath)); | |
22bbabf6 | 484 | tmp = strrchr(filepath, '/'); |
38b8102c | 485 | if (tmp == NULL) |
22bbabf6 | 486 | tmp = strrchr(filepath, '\\'); |
487 | if (tmp != NULL) | |
488 | tmp++; | |
489 | else | |
38b8102c | 490 | tmp = filepath; |
491 | *tmp = 0; | |
492 | filepath[sizeof(filepath) - 1] = 0; | |
493 | incue_fname = tmp; | |
494 | incue_max_len = sizeof(filepath) - (tmp - filepath) - 1; | |
495 | ||
ef79bbde P |
496 | memset(&ti, 0, sizeof(ti)); |
497 | ||
19c03d80 | 498 | file_len = 0; |
499 | sector_offs = 2 * 75; | |
500 | ||
ef79bbde P |
501 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { |
502 | strncpy(dummy, linebuf, sizeof(linebuf)); | |
503 | token = strtok(dummy, " "); | |
504 | ||
505 | if (token == NULL) { | |
506 | continue; | |
507 | } | |
508 | ||
19c03d80 | 509 | if (!strcmp(token, "TRACK")) { |
ef79bbde P |
510 | numtracks++; |
511 | ||
77160d47 | 512 | sector_size = 0; |
ef79bbde P |
513 | if (strstr(linebuf, "AUDIO") != NULL) { |
514 | ti[numtracks].type = CDDA; | |
77160d47 | 515 | sector_size = 2352; |
ef79bbde | 516 | } |
77160d47 | 517 | else if (sscanf(linebuf, " TRACK %u MODE%u/%u", &t, &mode, §or_size) == 3) |
ef79bbde | 518 | ti[numtracks].type = DATA; |
77160d47 | 519 | else { |
520 | SysPrintf(".cue: failed to parse TRACK\n"); | |
521 | ti[numtracks].type = numtracks == 1 ? DATA : CDDA; | |
ef79bbde | 522 | } |
77160d47 | 523 | if (sector_size == 0) |
524 | sector_size = 2352; | |
ef79bbde P |
525 | } |
526 | else if (!strcmp(token, "INDEX")) { | |
77160d47 | 527 | if (sscanf(linebuf, " INDEX %02d %8s", &t, time) != 2) |
528 | SysPrintf(".cue: failed to parse INDEX\n"); | |
19c03d80 | 529 | tok2msf(time, (char *)&ti[numtracks].start); |
ef79bbde | 530 | |
19c03d80 | 531 | t = msf2sec(ti[numtracks].start); |
77160d47 | 532 | ti[numtracks].start_offset = t * sector_size; |
19c03d80 | 533 | t += sector_offs; |
ef79bbde | 534 | sec2msf(t, ti[numtracks].start); |
19c03d80 | 535 | |
536 | // default track length to file length | |
77160d47 | 537 | t = file_len - ti[numtracks].start_offset / sector_size; |
19c03d80 | 538 | sec2msf(t, ti[numtracks].length); |
539 | ||
540 | if (numtracks > 1 && ti[numtracks].handle == NULL) { | |
541 | // this track uses the same file as the last, | |
542 | // start of this track is last track's end | |
543 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
544 | sec2msf(t, ti[numtracks - 1].length); | |
38b8102c | 545 | } |
8aa91443 | 546 | if (numtracks > 1 && pregapOffset == -1) |
77160d47 | 547 | pregapOffset = ti[numtracks].start_offset / sector_size; |
19c03d80 | 548 | } |
549 | else if (!strcmp(token, "PREGAP")) { | |
550 | if (sscanf(linebuf, " PREGAP %8s", time) == 1) { | |
551 | tok2msf(time, dummy); | |
552 | sector_offs += msf2sec(dummy); | |
38b8102c | 553 | } |
8aa91443 | 554 | pregapOffset = -1; // mark to fill track start_offset |
19c03d80 | 555 | } |
556 | else if (!strcmp(token, "FILE")) { | |
9a9bcd78 | 557 | t = sscanf(linebuf, " FILE \"%255[^\"]\"", tmpb); |
385c023b | 558 | if (t != 1) |
9a9bcd78 | 559 | sscanf(linebuf, " FILE %255s", tmpb); |
19c03d80 | 560 | |
561 | // absolute path? | |
562 | ti[numtracks + 1].handle = fopen(tmpb, "rb"); | |
563 | if (ti[numtracks + 1].handle == NULL) { | |
564 | // relative to .cue? | |
565 | tmp = strrchr(tmpb, '\\'); | |
566 | if (tmp == NULL) | |
567 | tmp = strrchr(tmpb, '/'); | |
38b8102c | 568 | if (tmp != NULL) |
19c03d80 | 569 | tmp++; |
570 | else | |
571 | tmp = tmpb; | |
572 | strncpy(incue_fname, tmp, incue_max_len); | |
573 | ti[numtracks + 1].handle = fopen(filepath, "rb"); | |
38b8102c | 574 | } |
ef79bbde | 575 | |
19c03d80 | 576 | // update global offset if this is not first file in this .cue |
deebc67f | 577 | if (numtracks + 1 > 1) { |
578 | multifile = 1; | |
19c03d80 | 579 | sector_offs += file_len; |
deebc67f | 580 | } |
19c03d80 | 581 | |
582 | file_len = 0; | |
38b8102c | 583 | if (ti[numtracks + 1].handle == NULL) { |
19c03d80 | 584 | SysPrintf(_("\ncould not open: %s\n"), filepath); |
585 | continue; | |
38b8102c | 586 | } |
19c03d80 | 587 | fseek(ti[numtracks + 1].handle, 0, SEEK_END); |
588 | file_len = ftell(ti[numtracks + 1].handle) / 2352; | |
589 | ||
590 | if (numtracks == 0 && strlen(isofile) >= 4 && | |
591 | strcmp(isofile + strlen(isofile) - 4, ".cue") == 0) | |
592 | { | |
38b8102c | 593 | // user selected .cue as image file, use it's data track instead |
594 | fclose(cdHandle); | |
595 | cdHandle = fopen(filepath, "rb"); | |
ef79bbde P |
596 | } |
597 | } | |
598 | } | |
599 | ||
600 | fclose(fi); | |
601 | ||
ef79bbde P |
602 | return 0; |
603 | } | |
604 | ||
605 | // this function tries to get the .ccd file of the given .img | |
606 | // the necessary data is put into the ti (trackinformation)-array | |
607 | static int parseccd(const char *isofile) { | |
608 | char ccdname[MAXPATHLEN]; | |
609 | FILE *fi; | |
610 | char linebuf[256]; | |
611 | unsigned int t; | |
612 | ||
613 | numtracks = 0; | |
614 | ||
615 | // copy name of the iso and change extension from .img to .ccd | |
616 | strncpy(ccdname, isofile, sizeof(ccdname)); | |
617 | ccdname[MAXPATHLEN - 1] = '\0'; | |
618 | if (strlen(ccdname) >= 4) { | |
619 | strcpy(ccdname + strlen(ccdname) - 4, ".ccd"); | |
620 | } | |
621 | else { | |
622 | return -1; | |
623 | } | |
624 | ||
625 | if ((fi = fopen(ccdname, "r")) == NULL) { | |
626 | return -1; | |
627 | } | |
628 | ||
629 | memset(&ti, 0, sizeof(ti)); | |
630 | ||
631 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
632 | if (!strncmp(linebuf, "[TRACK", 6)){ | |
633 | numtracks++; | |
634 | } | |
635 | else if (!strncmp(linebuf, "MODE=", 5)) { | |
636 | sscanf(linebuf, "MODE=%d", &t); | |
637 | ti[numtracks].type = ((t == 0) ? CDDA : DATA); | |
638 | } | |
639 | else if (!strncmp(linebuf, "INDEX 1=", 8)) { | |
640 | sscanf(linebuf, "INDEX 1=%d", &t); | |
641 | sec2msf(t + 2 * 75, ti[numtracks].start); | |
77160d47 | 642 | ti[numtracks].start_offset = t * 2352; |
ef79bbde P |
643 | |
644 | // If we've already seen another track, this is its end | |
645 | if (numtracks > 1) { | |
646 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
647 | sec2msf(t, ti[numtracks - 1].length); | |
648 | } | |
649 | } | |
650 | } | |
651 | ||
652 | fclose(fi); | |
653 | ||
654 | // Fill out the last track's end based on size | |
655 | if (numtracks >= 1) { | |
656 | fseek(cdHandle, 0, SEEK_END); | |
657 | t = ftell(cdHandle) / 2352 - msf2sec(ti[numtracks].start) + 2 * 75; | |
658 | sec2msf(t, ti[numtracks].length); | |
659 | } | |
660 | ||
661 | return 0; | |
662 | } | |
663 | ||
664 | // this function tries to get the .mds file of the given .mdf | |
665 | // the necessary data is put into the ti (trackinformation)-array | |
666 | static int parsemds(const char *isofile) { | |
667 | char mdsname[MAXPATHLEN]; | |
668 | FILE *fi; | |
669 | unsigned int offset, extra_offset, l, i; | |
670 | unsigned short s; | |
671 | ||
672 | numtracks = 0; | |
673 | ||
674 | // copy name of the iso and change extension from .mdf to .mds | |
675 | strncpy(mdsname, isofile, sizeof(mdsname)); | |
676 | mdsname[MAXPATHLEN - 1] = '\0'; | |
677 | if (strlen(mdsname) >= 4) { | |
678 | strcpy(mdsname + strlen(mdsname) - 4, ".mds"); | |
679 | } | |
680 | else { | |
681 | return -1; | |
682 | } | |
683 | ||
684 | if ((fi = fopen(mdsname, "rb")) == NULL) { | |
685 | return -1; | |
686 | } | |
687 | ||
688 | memset(&ti, 0, sizeof(ti)); | |
689 | ||
690 | // check if it's a valid mds file | |
691 | fread(&i, 1, sizeof(unsigned int), fi); | |
692 | i = SWAP32(i); | |
693 | if (i != 0x4944454D) { | |
694 | // not an valid mds file | |
695 | fclose(fi); | |
696 | return -1; | |
697 | } | |
698 | ||
699 | // get offset to session block | |
700 | fseek(fi, 0x50, SEEK_SET); | |
701 | fread(&offset, 1, sizeof(unsigned int), fi); | |
702 | offset = SWAP32(offset); | |
703 | ||
704 | // get total number of tracks | |
705 | offset += 14; | |
706 | fseek(fi, offset, SEEK_SET); | |
707 | fread(&s, 1, sizeof(unsigned short), fi); | |
708 | s = SWAP16(s); | |
709 | numtracks = s; | |
710 | ||
711 | // get offset to track blocks | |
712 | fseek(fi, 4, SEEK_CUR); | |
713 | fread(&offset, 1, sizeof(unsigned int), fi); | |
714 | offset = SWAP32(offset); | |
715 | ||
716 | // skip lead-in data | |
717 | while (1) { | |
718 | fseek(fi, offset + 4, SEEK_SET); | |
719 | if (fgetc(fi) < 0xA0) { | |
720 | break; | |
721 | } | |
722 | offset += 0x50; | |
723 | } | |
724 | ||
725 | // check if the image contains mixed subchannel data | |
726 | fseek(fi, offset + 1, SEEK_SET); | |
77160d47 | 727 | subChanMixed = subChanRaw = (fgetc(fi) ? TRUE : FALSE); |
ef79bbde P |
728 | |
729 | // read track data | |
730 | for (i = 1; i <= numtracks; i++) { | |
731 | fseek(fi, offset, SEEK_SET); | |
732 | ||
733 | // get the track type | |
734 | ti[i].type = ((fgetc(fi) == 0xA9) ? CDDA : DATA); | |
735 | fseek(fi, 8, SEEK_CUR); | |
736 | ||
737 | // get the track starting point | |
738 | ti[i].start[0] = fgetc(fi); | |
739 | ti[i].start[1] = fgetc(fi); | |
740 | ti[i].start[2] = fgetc(fi); | |
741 | ||
ef79bbde P |
742 | fread(&extra_offset, 1, sizeof(unsigned int), fi); |
743 | extra_offset = SWAP32(extra_offset); | |
744 | ||
19c03d80 | 745 | // get track start offset (in .mdf) |
746 | fseek(fi, offset + 0x28, SEEK_SET); | |
747 | fread(&l, 1, sizeof(unsigned int), fi); | |
748 | l = SWAP32(l); | |
77160d47 | 749 | ti[i].start_offset = l; |
19c03d80 | 750 | |
8aa91443 | 751 | // get pregap |
752 | fseek(fi, extra_offset, SEEK_SET); | |
753 | fread(&l, 1, sizeof(unsigned int), fi); | |
754 | l = SWAP32(l); | |
755 | if (l != 0 && i > 1) | |
77160d47 | 756 | pregapOffset = msf2sec(ti[i].start); |
8aa91443 | 757 | |
758 | // get the track length | |
759 | fread(&l, 1, sizeof(unsigned int), fi); | |
760 | l = SWAP32(l); | |
761 | sec2msf(l, ti[i].length); | |
762 | ||
ef79bbde P |
763 | offset += 0x50; |
764 | } | |
765 | ||
766 | fclose(fi); | |
767 | return 0; | |
768 | } | |
769 | ||
0877957a | 770 | static int handlepbp(const char *isofile) { |
9a92bffb | 771 | struct { |
772 | unsigned int sig; | |
773 | unsigned int dontcare[8]; | |
774 | unsigned int psar_offs; | |
775 | } pbp_hdr; | |
776 | struct { | |
777 | unsigned char type; | |
778 | unsigned char pad0; | |
779 | unsigned char track; | |
780 | char index0[3]; | |
781 | char pad1; | |
782 | char index1[3]; | |
783 | } toc_entry; | |
784 | struct { | |
785 | unsigned int offset; | |
786 | unsigned int size; | |
787 | unsigned int dontcare[6]; | |
788 | } index_entry; | |
0c2871a7 | 789 | char psar_sig[11]; |
9a92bffb | 790 | unsigned int t, cd_length, cdimg_base; |
0c2871a7 | 791 | unsigned int offsettab[8], psisoimg_offs; |
9a92bffb | 792 | const char *ext = NULL; |
793 | int i, ret; | |
794 | ||
795 | if (strlen(isofile) >= 4) | |
796 | ext = isofile + strlen(isofile) - 4; | |
797 | if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0)) | |
798 | return -1; | |
799 | ||
9726a4af | 800 | fseek(cdHandle, 0, SEEK_SET); |
801 | ||
9a92bffb | 802 | numtracks = 0; |
803 | ||
804 | ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle); | |
805 | if (ret != sizeof(pbp_hdr)) { | |
f29fbd53 | 806 | SysPrintf("failed to read pbp\n"); |
9a92bffb | 807 | goto fail_io; |
808 | } | |
809 | ||
810 | ret = fseek(cdHandle, pbp_hdr.psar_offs, SEEK_SET); | |
811 | if (ret != 0) { | |
f29fbd53 | 812 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs); |
9a92bffb | 813 | goto fail_io; |
814 | } | |
815 | ||
0c2871a7 | 816 | psisoimg_offs = pbp_hdr.psar_offs; |
9a92bffb | 817 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); |
0c2871a7 | 818 | psar_sig[10] = 0; |
819 | if (strcmp(psar_sig, "PSTITLEIMG") == 0) { | |
820 | // multidisk image? | |
821 | ret = fseek(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET); | |
822 | if (ret != 0) { | |
f29fbd53 | 823 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs + 0x200); |
0c2871a7 | 824 | goto fail_io; |
825 | } | |
826 | ||
827 | if (fread(&offsettab, 1, sizeof(offsettab), cdHandle) != sizeof(offsettab)) { | |
f29fbd53 | 828 | SysPrintf("failed to read offsettab\n"); |
0c2871a7 | 829 | goto fail_io; |
830 | } | |
831 | ||
832 | for (i = 0; i < sizeof(offsettab) / sizeof(offsettab[0]); i++) { | |
833 | if (offsettab[i] == 0) | |
834 | break; | |
835 | } | |
836 | cdrIsoMultidiskCount = i; | |
837 | if (cdrIsoMultidiskCount == 0) { | |
f29fbd53 | 838 | SysPrintf("multidisk eboot has 0 images?\n"); |
0c2871a7 | 839 | goto fail_io; |
840 | } | |
841 | ||
842 | if (cdrIsoMultidiskSelect >= cdrIsoMultidiskCount) | |
843 | cdrIsoMultidiskSelect = 0; | |
844 | ||
845 | psisoimg_offs += offsettab[cdrIsoMultidiskSelect]; | |
846 | ||
847 | ret = fseek(cdHandle, psisoimg_offs, SEEK_SET); | |
848 | if (ret != 0) { | |
f29fbd53 | 849 | SysPrintf("failed to seek to %x\n", psisoimg_offs); |
0c2871a7 | 850 | goto fail_io; |
851 | } | |
852 | ||
853 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); | |
854 | psar_sig[10] = 0; | |
855 | } | |
856 | ||
857 | if (strcmp(psar_sig, "PSISOIMG00") != 0) { | |
f29fbd53 | 858 | SysPrintf("bad psar_sig: %s\n", psar_sig); |
9a92bffb | 859 | goto fail_io; |
860 | } | |
861 | ||
862 | // seek to TOC | |
0c2871a7 | 863 | ret = fseek(cdHandle, psisoimg_offs + 0x800, SEEK_SET); |
9a92bffb | 864 | if (ret != 0) { |
f29fbd53 | 865 | SysPrintf("failed to seek to %x\n", psisoimg_offs + 0x800); |
9a92bffb | 866 | goto fail_io; |
867 | } | |
868 | ||
869 | // first 3 entries are special | |
870 | fseek(cdHandle, sizeof(toc_entry), SEEK_CUR); | |
871 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
872 | numtracks = btoi(toc_entry.index1[0]); | |
873 | ||
874 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
875 | cd_length = btoi(toc_entry.index1[0]) * 60 * 75 + | |
876 | btoi(toc_entry.index1[1]) * 75 + btoi(toc_entry.index1[2]); | |
877 | ||
878 | for (i = 1; i <= numtracks; i++) { | |
879 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
880 | ||
881 | ti[i].type = (toc_entry.type == 1) ? CDDA : DATA; | |
882 | ||
883 | ti[i].start_offset = btoi(toc_entry.index0[0]) * 60 * 75 + | |
884 | btoi(toc_entry.index0[1]) * 75 + btoi(toc_entry.index0[2]); | |
77160d47 | 885 | ti[i].start_offset *= 2352; |
9a92bffb | 886 | ti[i].start[0] = btoi(toc_entry.index1[0]); |
887 | ti[i].start[1] = btoi(toc_entry.index1[1]); | |
888 | ti[i].start[2] = btoi(toc_entry.index1[2]); | |
889 | ||
890 | if (i > 1) { | |
891 | t = msf2sec(ti[i].start) - msf2sec(ti[i - 1].start); | |
892 | sec2msf(t, ti[i - 1].length); | |
893 | } | |
894 | } | |
77160d47 | 895 | t = cd_length - ti[numtracks].start_offset / 2352; |
9a92bffb | 896 | sec2msf(t, ti[numtracks].length); |
897 | ||
898 | // seek to ISO index | |
0c2871a7 | 899 | ret = fseek(cdHandle, psisoimg_offs + 0x4000, SEEK_SET); |
9a92bffb | 900 | if (ret != 0) { |
f29fbd53 | 901 | SysPrintf("failed to seek to ISO index\n"); |
9a92bffb | 902 | goto fail_io; |
903 | } | |
904 | ||
905 | compr_img = calloc(1, sizeof(*compr_img)); | |
906 | if (compr_img == NULL) | |
907 | goto fail_io; | |
908 | ||
0877957a | 909 | compr_img->block_shift = 4; |
9a92bffb | 910 | compr_img->current_block = (unsigned int)-1; |
911 | ||
912 | compr_img->index_len = (0x100000 - 0x4000) / sizeof(index_entry); | |
913 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
914 | if (compr_img->index_table == NULL) | |
915 | goto fail_io; | |
916 | ||
0c2871a7 | 917 | cdimg_base = psisoimg_offs + 0x100000; |
9a92bffb | 918 | for (i = 0; i < compr_img->index_len; i++) { |
919 | ret = fread(&index_entry, 1, sizeof(index_entry), cdHandle); | |
920 | if (ret != sizeof(index_entry)) { | |
f29fbd53 | 921 | SysPrintf("failed to read index_entry #%d\n", i); |
9a92bffb | 922 | goto fail_index; |
923 | } | |
924 | ||
925 | if (index_entry.size == 0) | |
926 | break; | |
927 | ||
928 | compr_img->index_table[i] = cdimg_base + index_entry.offset; | |
929 | } | |
930 | compr_img->index_table[i] = cdimg_base + index_entry.offset + index_entry.size; | |
931 | ||
932 | return 0; | |
933 | ||
934 | fail_index: | |
935 | free(compr_img->index_table); | |
936 | compr_img->index_table = NULL; | |
937 | fail_io: | |
0877957a | 938 | if (compr_img != NULL) { |
939 | free(compr_img); | |
940 | compr_img = NULL; | |
941 | } | |
942 | return -1; | |
943 | } | |
944 | ||
945 | static int handlecbin(const char *isofile) { | |
946 | struct | |
947 | { | |
948 | char magic[4]; | |
949 | unsigned int header_size; | |
950 | unsigned long long total_bytes; | |
951 | unsigned int block_size; | |
952 | unsigned char ver; // 1 | |
953 | unsigned char align; | |
954 | unsigned char rsv_06[2]; | |
955 | } ciso_hdr; | |
956 | const char *ext = NULL; | |
0c2871a7 | 957 | unsigned int index = 0, plain; |
0877957a | 958 | int i, ret; |
959 | ||
960 | if (strlen(isofile) >= 5) | |
961 | ext = isofile + strlen(isofile) - 5; | |
962 | if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0)) | |
963 | return -1; | |
964 | ||
9726a4af | 965 | fseek(cdHandle, 0, SEEK_SET); |
966 | ||
0877957a | 967 | ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle); |
968 | if (ret != sizeof(ciso_hdr)) { | |
f29fbd53 | 969 | SysPrintf("failed to read ciso header\n"); |
0877957a | 970 | return -1; |
971 | } | |
972 | ||
973 | if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) { | |
f29fbd53 | 974 | SysPrintf("bad ciso header\n"); |
0877957a | 975 | return -1; |
976 | } | |
977 | if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) { | |
978 | ret = fseek(cdHandle, ciso_hdr.header_size, SEEK_SET); | |
979 | if (ret != 0) { | |
f29fbd53 | 980 | SysPrintf("failed to seek to %x\n", ciso_hdr.header_size); |
0877957a | 981 | return -1; |
982 | } | |
983 | } | |
984 | ||
985 | compr_img = calloc(1, sizeof(*compr_img)); | |
986 | if (compr_img == NULL) | |
987 | goto fail_io; | |
988 | ||
989 | compr_img->block_shift = 0; | |
990 | compr_img->current_block = (unsigned int)-1; | |
991 | ||
992 | compr_img->index_len = ciso_hdr.total_bytes / ciso_hdr.block_size; | |
993 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
994 | if (compr_img->index_table == NULL) | |
995 | goto fail_io; | |
996 | ||
997 | ret = fread(compr_img->index_table, sizeof(compr_img->index_table[0]), compr_img->index_len, cdHandle); | |
998 | if (ret != compr_img->index_len) { | |
f29fbd53 | 999 | SysPrintf("failed to read index table\n"); |
0877957a | 1000 | goto fail_index; |
1001 | } | |
1002 | ||
1003 | for (i = 0; i < compr_img->index_len + 1; i++) { | |
1004 | index = compr_img->index_table[i]; | |
1005 | plain = index & 0x80000000; | |
1006 | index &= 0x7fffffff; | |
1007 | compr_img->index_table[i] = (index << ciso_hdr.align) | plain; | |
1008 | } | |
1009 | if ((long long)index << ciso_hdr.align >= 0x80000000ll) | |
f29fbd53 | 1010 | SysPrintf("warning: ciso img too large, expect problems\n"); |
0877957a | 1011 | |
1012 | return 0; | |
1013 | ||
1014 | fail_index: | |
1015 | free(compr_img->index_table); | |
1016 | compr_img->index_table = NULL; | |
1017 | fail_io: | |
1018 | if (compr_img != NULL) { | |
1019 | free(compr_img); | |
1020 | compr_img = NULL; | |
1021 | } | |
9a92bffb | 1022 | return -1; |
1023 | } | |
1024 | ||
ef79bbde P |
1025 | // this function tries to get the .sub file of the given .img |
1026 | static int opensubfile(const char *isoname) { | |
1027 | char subname[MAXPATHLEN]; | |
1028 | ||
1029 | // copy name of the iso and change extension from .img to .sub | |
1030 | strncpy(subname, isoname, sizeof(subname)); | |
1031 | subname[MAXPATHLEN - 1] = '\0'; | |
1032 | if (strlen(subname) >= 4) { | |
1033 | strcpy(subname + strlen(subname) - 4, ".sub"); | |
1034 | } | |
1035 | else { | |
1036 | return -1; | |
1037 | } | |
1038 | ||
1039 | subHandle = fopen(subname, "rb"); | |
1040 | if (subHandle == NULL) { | |
1041 | return -1; | |
1042 | } | |
1043 | ||
1044 | return 0; | |
1045 | } | |
1046 | ||
ae4e7dc9 | 1047 | static int opensbifile(const char *isoname) { |
1048 | char sbiname[MAXPATHLEN]; | |
1049 | int s; | |
1050 | ||
1051 | strncpy(sbiname, isoname, sizeof(sbiname)); | |
1052 | sbiname[MAXPATHLEN - 1] = '\0'; | |
1053 | if (strlen(sbiname) >= 4) { | |
1054 | strcpy(sbiname + strlen(sbiname) - 4, ".sbi"); | |
1055 | } | |
1056 | else { | |
1057 | return -1; | |
1058 | } | |
1059 | ||
1060 | fseek(cdHandle, 0, SEEK_END); | |
1061 | s = ftell(cdHandle) / 2352; | |
1062 | ||
1063 | return LoadSBI(sbiname, s); | |
1064 | } | |
1065 | ||
77160d47 | 1066 | static int cdread_normal(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1067 | { |
77160d47 | 1068 | fseek(f, base + sector * CD_FRAMESIZE_RAW, SEEK_SET); |
81abe4d5 | 1069 | return fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1070 | } |
1071 | ||
77160d47 | 1072 | static int cdread_sub_mixed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1073 | { |
1074 | int ret; | |
1075 | ||
77160d47 | 1076 | fseek(f, base + sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET); |
81abe4d5 | 1077 | ret = fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1078 | fread(subbuffer, 1, SUB_FRAMESIZE, f); |
1079 | ||
1080 | if (subChanRaw) DecodeRawSubData(); | |
1081 | ||
1082 | return ret; | |
1083 | } | |
1084 | ||
1085 | static int uncompress2(void *out, unsigned long *out_size, void *in, unsigned long in_size) | |
1086 | { | |
1087 | static z_stream z; | |
1088 | int ret = 0; | |
1089 | ||
1090 | if (z.zalloc == NULL) { | |
1091 | // XXX: one-time leak here.. | |
1092 | z.next_in = Z_NULL; | |
1093 | z.avail_in = 0; | |
1094 | z.zalloc = Z_NULL; | |
1095 | z.zfree = Z_NULL; | |
1096 | z.opaque = Z_NULL; | |
1097 | ret = inflateInit2(&z, -15); | |
1098 | } | |
1099 | else | |
1100 | ret = inflateReset(&z); | |
1101 | if (ret != Z_OK) | |
1102 | return ret; | |
1103 | ||
1104 | z.next_in = in; | |
1105 | z.avail_in = in_size; | |
1106 | z.next_out = out; | |
1107 | z.avail_out = *out_size; | |
1108 | ||
1109 | ret = inflate(&z, Z_NO_FLUSH); | |
1110 | //inflateEnd(&z); | |
1111 | ||
1112 | *out_size -= z.avail_out; | |
1113 | return ret == 1 ? 0 : ret; | |
1114 | } | |
1115 | ||
77160d47 | 1116 | static int cdread_compressed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1117 | { |
0877957a | 1118 | unsigned long cdbuffer_size, cdbuffer_size_expect; |
9a92bffb | 1119 | unsigned int start_byte, size; |
0877957a | 1120 | int is_compressed; |
9a92bffb | 1121 | int ret, block; |
1122 | ||
77160d47 | 1123 | if (base) |
1124 | sector += base / 2352; | |
1125 | ||
0877957a | 1126 | block = sector >> compr_img->block_shift; |
1127 | compr_img->sector_in_blk = sector & ((1 << compr_img->block_shift) - 1); | |
9a92bffb | 1128 | |
1129 | if (block == compr_img->current_block) { | |
1130 | //printf("hit sect %d\n", sector); | |
1131 | goto finish; | |
1132 | } | |
1133 | ||
1134 | if (sector >= compr_img->index_len * 16) { | |
f29fbd53 | 1135 | SysPrintf("sector %d is past img end\n", sector); |
9a92bffb | 1136 | return -1; |
1137 | } | |
1138 | ||
0877957a | 1139 | start_byte = compr_img->index_table[block] & 0x7fffffff; |
9a92bffb | 1140 | if (fseek(cdHandle, start_byte, SEEK_SET) != 0) { |
f29fbd53 | 1141 | SysPrintf("seek error for block %d at %x: ", |
9a92bffb | 1142 | block, start_byte); |
1143 | perror(NULL); | |
1144 | return -1; | |
1145 | } | |
1146 | ||
0877957a | 1147 | is_compressed = !(compr_img->index_table[block] & 0x80000000); |
1148 | size = (compr_img->index_table[block + 1] & 0x7fffffff) - start_byte; | |
9a92bffb | 1149 | if (size > sizeof(compr_img->buff_compressed)) { |
f29fbd53 | 1150 | SysPrintf("block %d is too large: %u\n", block, size); |
9a92bffb | 1151 | return -1; |
1152 | } | |
1153 | ||
0877957a | 1154 | if (fread(is_compressed ? compr_img->buff_compressed : compr_img->buff_raw[0], |
1155 | 1, size, cdHandle) != size) { | |
f29fbd53 | 1156 | SysPrintf("read error for block %d at %x: ", block, start_byte); |
9a92bffb | 1157 | perror(NULL); |
1158 | return -1; | |
1159 | } | |
1160 | ||
0877957a | 1161 | if (is_compressed) { |
1162 | cdbuffer_size_expect = sizeof(compr_img->buff_raw[0]) << compr_img->block_shift; | |
1163 | cdbuffer_size = cdbuffer_size_expect; | |
1164 | ret = uncompress2(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size); | |
1165 | if (ret != 0) { | |
f29fbd53 | 1166 | SysPrintf("uncompress failed with %d for block %d, sector %d\n", |
0877957a | 1167 | ret, block, sector); |
1168 | return -1; | |
1169 | } | |
1170 | if (cdbuffer_size != cdbuffer_size_expect) | |
f29fbd53 | 1171 | SysPrintf("cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size, |
0877957a | 1172 | cdbuffer_size_expect, sector); |
9a92bffb | 1173 | } |
9a92bffb | 1174 | |
1175 | // done at last! | |
1176 | compr_img->current_block = block; | |
1177 | ||
1178 | finish: | |
1179 | if (dest != cdbuffer) // copy avoid HACK | |
81abe4d5 | 1180 | memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk], |
1181 | CD_FRAMESIZE_RAW); | |
1182 | return CD_FRAMESIZE_RAW; | |
9a92bffb | 1183 | } |
1184 | ||
77160d47 | 1185 | static int cdread_2048(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1186 | { |
1187 | int ret; | |
1188 | ||
77160d47 | 1189 | fseek(f, base + sector * 2048, SEEK_SET); |
81abe4d5 | 1190 | ret = fread((char *)dest + 12 * 2, 1, 2048, f); |
9a92bffb | 1191 | |
1192 | // not really necessary, fake mode 2 header | |
81abe4d5 | 1193 | memset(cdbuffer, 0, 12 * 2); |
1194 | sec2msf(sector + 2 * 75, (char *)&cdbuffer[12]); | |
1195 | cdbuffer[12 + 3] = 1; | |
9a92bffb | 1196 | |
1197 | return ret; | |
1198 | } | |
1199 | ||
1200 | static unsigned char * CALLBACK ISOgetBuffer_compr(void) { | |
1201 | return compr_img->buff_raw[compr_img->sector_in_blk] + 12; | |
1202 | } | |
1203 | ||
1204 | static unsigned char * CALLBACK ISOgetBuffer(void) { | |
81abe4d5 | 1205 | return cdbuffer + 12; |
9a92bffb | 1206 | } |
1207 | ||
ef79bbde P |
1208 | static void PrintTracks(void) { |
1209 | int i; | |
1210 | ||
1211 | for (i = 1; i <= numtracks; i++) { | |
1212 | SysPrintf(_("Track %.2d (%s) - Start %.2d:%.2d:%.2d, Length %.2d:%.2d:%.2d\n"), | |
1213 | i, (ti[i].type == DATA ? "DATA" : "AUDIO"), | |
1214 | ti[i].start[0], ti[i].start[1], ti[i].start[2], | |
1215 | ti[i].length[0], ti[i].length[1], ti[i].length[2]); | |
1216 | } | |
1217 | } | |
1218 | ||
1219 | // This function is invoked by the front-end when opening an ISO | |
1220 | // file for playback | |
1221 | static long CALLBACK ISOopen(void) { | |
9a92bffb | 1222 | boolean isMode1ISO = FALSE; |
689e0447 | 1223 | char alt_bin_filename[MAXPATHLEN]; |
1224 | const char *bin_filename; | |
9a92bffb | 1225 | |
ef79bbde P |
1226 | if (cdHandle != NULL) { |
1227 | return 0; // it's already open | |
1228 | } | |
1229 | ||
1230 | cdHandle = fopen(GetIsoFile(), "rb"); | |
1231 | if (cdHandle == NULL) { | |
2e058581 | 1232 | SysPrintf(_("Could't open '%s' for reading: %s\n"), |
1233 | GetIsoFile(), strerror(errno)); | |
ef79bbde P |
1234 | return -1; |
1235 | } | |
1236 | ||
1237 | SysPrintf(_("Loaded CD Image: %s"), GetIsoFile()); | |
1238 | ||
1239 | cddaBigEndian = FALSE; | |
1240 | subChanMixed = FALSE; | |
1241 | subChanRaw = FALSE; | |
8aa91443 | 1242 | pregapOffset = 0; |
0c2871a7 | 1243 | cdrIsoMultidiskCount = 1; |
deebc67f | 1244 | multifile = 0; |
ef79bbde | 1245 | |
9a92bffb | 1246 | CDR_getBuffer = ISOgetBuffer; |
1247 | cdimg_read_func = cdread_normal; | |
1248 | ||
92f43ab0 | 1249 | if (parsetoc(GetIsoFile()) == 0) { |
ef79bbde P |
1250 | SysPrintf("[+toc]"); |
1251 | } | |
1252 | else if (parseccd(GetIsoFile()) == 0) { | |
1253 | SysPrintf("[+ccd]"); | |
1254 | } | |
1255 | else if (parsemds(GetIsoFile()) == 0) { | |
1256 | SysPrintf("[+mds]"); | |
1257 | } | |
92f43ab0 | 1258 | else if (parsecue(GetIsoFile()) == 0) { |
1259 | SysPrintf("[+cue]"); | |
1260 | } | |
0877957a | 1261 | if (handlepbp(GetIsoFile()) == 0) { |
9a92bffb | 1262 | SysPrintf("[pbp]"); |
1263 | CDR_getBuffer = ISOgetBuffer_compr; | |
1264 | cdimg_read_func = cdread_compressed; | |
1265 | } | |
0877957a | 1266 | else if (handlecbin(GetIsoFile()) == 0) { |
1267 | SysPrintf("[cbin]"); | |
1268 | CDR_getBuffer = ISOgetBuffer_compr; | |
1269 | cdimg_read_func = cdread_compressed; | |
1270 | } | |
ef79bbde P |
1271 | |
1272 | if (!subChanMixed && opensubfile(GetIsoFile()) == 0) { | |
1273 | SysPrintf("[+sub]"); | |
1274 | } | |
ae4e7dc9 | 1275 | if (opensbifile(GetIsoFile()) == 0) { |
1276 | SysPrintf("[+sbi]"); | |
1277 | } | |
ef79bbde | 1278 | |
9a92bffb | 1279 | fseek(cdHandle, 0, SEEK_END); |
c9e5423e | 1280 | |
1281 | // maybe user selected metadata file instead of main .bin .. | |
689e0447 | 1282 | bin_filename = GetIsoFile(); |
c9e5423e | 1283 | if (ftell(cdHandle) < 2352 * 0x10) { |
1284 | static const char *exts[] = { ".bin", ".BIN", ".img", ".IMG" }; | |
689e0447 | 1285 | FILE *tmpf = NULL; |
c9e5423e | 1286 | size_t i; |
689e0447 | 1287 | char *p; |
c9e5423e | 1288 | |
689e0447 | 1289 | strncpy(alt_bin_filename, bin_filename, sizeof(alt_bin_filename)); |
1290 | alt_bin_filename[MAXPATHLEN - 1] = '\0'; | |
1291 | if (strlen(alt_bin_filename) >= 4) { | |
1292 | p = alt_bin_filename + strlen(alt_bin_filename) - 4; | |
c9e5423e | 1293 | for (i = 0; i < sizeof(exts) / sizeof(exts[0]); i++) { |
1294 | strcpy(p, exts[i]); | |
689e0447 | 1295 | tmpf = fopen(alt_bin_filename, "rb"); |
1296 | if (tmpf != NULL) | |
c9e5423e | 1297 | break; |
c9e5423e | 1298 | } |
1299 | } | |
689e0447 | 1300 | if (tmpf != NULL) { |
1301 | bin_filename = alt_bin_filename; | |
1302 | fclose(cdHandle); | |
1303 | cdHandle = tmpf; | |
1304 | fseek(cdHandle, 0, SEEK_END); | |
1305 | } | |
c9e5423e | 1306 | } |
1307 | ||
1308 | // guess whether it is mode1/2048 | |
9a92bffb | 1309 | if (ftell(cdHandle) % 2048 == 0) { |
1310 | unsigned int modeTest = 0; | |
1311 | fseek(cdHandle, 0, SEEK_SET); | |
1312 | fread(&modeTest, 4, 1, cdHandle); | |
1313 | if (SWAP32(modeTest) != 0xffffff00) { | |
1314 | SysPrintf("[2048]"); | |
1315 | isMode1ISO = TRUE; | |
1316 | } | |
1317 | } | |
1318 | fseek(cdHandle, 0, SEEK_SET); | |
1319 | ||
ef79bbde P |
1320 | SysPrintf(".\n"); |
1321 | ||
1322 | PrintTracks(); | |
1323 | ||
9a92bffb | 1324 | if (subChanMixed) |
1325 | cdimg_read_func = cdread_sub_mixed; | |
1326 | else if (isMode1ISO) | |
1327 | cdimg_read_func = cdread_2048; | |
1328 | ||
38b8102c | 1329 | // make sure we have another handle open for cdda |
1330 | if (numtracks > 1 && ti[1].handle == NULL) { | |
689e0447 | 1331 | ti[1].handle = fopen(bin_filename, "rb"); |
38b8102c | 1332 | } |
77160d47 | 1333 | cdda_cur_sector = 0; |
1334 | cdda_file_offset = 0; | |
38b8102c | 1335 | |
ef79bbde P |
1336 | return 0; |
1337 | } | |
1338 | ||
1339 | static long CALLBACK ISOclose(void) { | |
38b8102c | 1340 | int i; |
1341 | ||
ef79bbde P |
1342 | if (cdHandle != NULL) { |
1343 | fclose(cdHandle); | |
1344 | cdHandle = NULL; | |
1345 | } | |
1346 | if (subHandle != NULL) { | |
1347 | fclose(subHandle); | |
1348 | subHandle = NULL; | |
1349 | } | |
1350 | stopCDDA(); | |
38b8102c | 1351 | cddaHandle = NULL; |
1352 | ||
9a92bffb | 1353 | if (compr_img != NULL) { |
1354 | free(compr_img->index_table); | |
1355 | free(compr_img); | |
1356 | compr_img = NULL; | |
1357 | } | |
1358 | ||
38b8102c | 1359 | for (i = 1; i <= numtracks; i++) { |
1360 | if (ti[i].handle != NULL) { | |
1361 | fclose(ti[i].handle); | |
1362 | ti[i].handle = NULL; | |
1363 | } | |
1364 | } | |
1365 | numtracks = 0; | |
c0ee7ac6 | 1366 | ti[1].type = 0; |
ae4e7dc9 | 1367 | UnloadSBI(); |
38b8102c | 1368 | |
c0ee7ac6 | 1369 | memset(cdbuffer, 0, sizeof(cdbuffer)); |
1370 | CDR_getBuffer = ISOgetBuffer; | |
1371 | ||
38b8102c | 1372 | return 0; |
1373 | } | |
1374 | ||
1375 | static long CALLBACK ISOinit(void) { | |
1376 | assert(cdHandle == NULL); | |
1377 | assert(subHandle == NULL); | |
1378 | ||
1379 | return 0; // do nothing | |
1380 | } | |
1381 | ||
1382 | static long CALLBACK ISOshutdown(void) { | |
1383 | ISOclose(); | |
ef79bbde P |
1384 | return 0; |
1385 | } | |
1386 | ||
1387 | // return Starting and Ending Track | |
1388 | // buffer: | |
1389 | // byte 0 - start track | |
1390 | // byte 1 - end track | |
1391 | static long CALLBACK ISOgetTN(unsigned char *buffer) { | |
1392 | buffer[0] = 1; | |
1393 | ||
1394 | if (numtracks > 0) { | |
1395 | buffer[1] = numtracks; | |
1396 | } | |
1397 | else { | |
1398 | buffer[1] = 1; | |
1399 | } | |
1400 | ||
1401 | return 0; | |
1402 | } | |
1403 | ||
1404 | // return Track Time | |
1405 | // buffer: | |
1406 | // byte 0 - frame | |
1407 | // byte 1 - second | |
1408 | // byte 2 - minute | |
1409 | static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) { | |
858ad511 | 1410 | if (track == 0) { |
858ad511 | 1411 | unsigned int sect; |
1412 | unsigned char time[3]; | |
1413 | sect = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length); | |
ab948f7e | 1414 | sec2msf(sect, (char *)time); |
858ad511 | 1415 | buffer[2] = time[0]; |
1416 | buffer[1] = time[1]; | |
1417 | buffer[0] = time[2]; | |
1418 | } | |
1419 | else if (numtracks > 0 && track <= numtracks) { | |
ef79bbde P |
1420 | buffer[2] = ti[track].start[0]; |
1421 | buffer[1] = ti[track].start[1]; | |
1422 | buffer[0] = ti[track].start[2]; | |
1423 | } | |
1424 | else { | |
1425 | buffer[2] = 0; | |
1426 | buffer[1] = 2; | |
1427 | buffer[0] = 0; | |
1428 | } | |
1429 | ||
1430 | return 0; | |
1431 | } | |
1432 | ||
1433 | // decode 'raw' subchannel data ripped by cdrdao | |
1434 | static void DecodeRawSubData(void) { | |
1435 | unsigned char subQData[12]; | |
1436 | int i; | |
1437 | ||
1438 | memset(subQData, 0, sizeof(subQData)); | |
1439 | ||
1440 | for (i = 0; i < 8 * 12; i++) { | |
1441 | if (subbuffer[i] & (1 << 6)) { // only subchannel Q is needed | |
1442 | subQData[i >> 3] |= (1 << (7 - (i & 7))); | |
1443 | } | |
1444 | } | |
1445 | ||
1446 | memcpy(&subbuffer[12], subQData, 12); | |
1447 | } | |
1448 | ||
1449 | // read track | |
1450 | // time: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1451 | // uses bcd format | |
1452 | static long CALLBACK ISOreadTrack(unsigned char *time) { | |
19c03d80 | 1453 | int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])); |
c0ee7ac6 | 1454 | long ret; |
19c03d80 | 1455 | |
ef79bbde P |
1456 | if (cdHandle == NULL) { |
1457 | return -1; | |
1458 | } | |
1459 | ||
8aa91443 | 1460 | if (pregapOffset) { |
1461 | subChanMissing = FALSE; | |
1462 | if (sector >= pregapOffset) { | |
1463 | sector -= 2 * 75; | |
1464 | if (sector < pregapOffset) | |
1465 | subChanMissing = TRUE; | |
1466 | } | |
1467 | } | |
1468 | ||
c0ee7ac6 | 1469 | ret = cdimg_read_func(cdHandle, 0, cdbuffer, sector); |
1470 | if (ret < 0) | |
1471 | return -1; | |
ef79bbde | 1472 | |
9a92bffb | 1473 | if (subHandle != NULL) { |
1474 | fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET); | |
1475 | fread(subbuffer, 1, SUB_FRAMESIZE, subHandle); | |
ef79bbde | 1476 | |
9a92bffb | 1477 | if (subChanRaw) DecodeRawSubData(); |
ef79bbde P |
1478 | } |
1479 | ||
1480 | return 0; | |
1481 | } | |
1482 | ||
ef79bbde P |
1483 | // plays cdda audio |
1484 | // sector: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1485 | // does NOT uses bcd format | |
1486 | static long CALLBACK ISOplay(unsigned char *time) { | |
77160d47 | 1487 | unsigned int i; |
38b8102c | 1488 | |
7b8da7ab | 1489 | if (numtracks <= 1) |
1490 | return 0; | |
1491 | ||
38b8102c | 1492 | // find the track |
77160d47 | 1493 | cdda_cur_sector = msf2sec((char *)time); |
2058d51f | 1494 | for (i = numtracks; i > 1; i--) { |
77160d47 | 1495 | cdda_first_sector = msf2sec(ti[i].start); |
1496 | if (cdda_first_sector <= cdda_cur_sector + 2 * 75) | |
38b8102c | 1497 | break; |
2058d51f | 1498 | } |
77160d47 | 1499 | cdda_file_offset = ti[i].start_offset; |
19c03d80 | 1500 | |
38b8102c | 1501 | // find the file that contains this track |
1502 | for (; i > 1; i--) | |
1503 | if (ti[i].handle != NULL) | |
1504 | break; | |
1505 | ||
2058d51f | 1506 | cddaHandle = ti[i].handle; |
8aa91443 | 1507 | |
77160d47 | 1508 | if (SPU_playCDDAchannel != NULL) |
1509 | startCDDA(); | |
1510 | ||
ef79bbde P |
1511 | return 0; |
1512 | } | |
1513 | ||
1514 | // stops cdda audio | |
1515 | static long CALLBACK ISOstop(void) { | |
1516 | stopCDDA(); | |
1517 | return 0; | |
1518 | } | |
1519 | ||
1520 | // gets subchannel data | |
1521 | static unsigned char* CALLBACK ISOgetBufferSub(void) { | |
8aa91443 | 1522 | if ((subHandle != NULL || subChanMixed) && !subChanMissing) { |
ef79bbde P |
1523 | return subbuffer; |
1524 | } | |
1525 | ||
1526 | return NULL; | |
1527 | } | |
1528 | ||
1529 | static long CALLBACK ISOgetStatus(struct CdrStat *stat) { | |
deebc67f | 1530 | u32 sect; |
1531 | ||
ef79bbde | 1532 | CDR__getStatus(stat); |
deebc67f | 1533 | |
ef79bbde P |
1534 | if (playing) { |
1535 | stat->Type = 0x02; | |
1536 | stat->Status |= 0x80; | |
ef79bbde P |
1537 | } |
1538 | else { | |
deebc67f | 1539 | // BIOS - boot ID (CD type) |
1540 | stat->Type = ti[1].type; | |
1541 | } | |
1542 | ||
1543 | // relative -> absolute time | |
1544 | sect = cddaCurPos; | |
1545 | sec2msf(sect, (char *)stat->Time); | |
1546 | ||
1547 | return 0; | |
1548 | } | |
1549 | ||
1550 | // read CDDA sector into buffer | |
1551 | long CALLBACK ISOreadCDDA(unsigned char m, unsigned char s, unsigned char f, unsigned char *buffer) { | |
1552 | unsigned char msf[3] = {m, s, f}; | |
1553 | unsigned int file, track, track_start = 0; | |
1554 | int ret; | |
1555 | ||
1556 | cddaCurPos = msf2sec((char *)msf); | |
1557 | ||
1558 | // find current track index | |
1559 | for (track = numtracks; ; track--) { | |
1560 | track_start = msf2sec(ti[track].start); | |
1561 | if (track_start <= cddaCurPos) | |
1562 | break; | |
1563 | if (track == 1) | |
1564 | break; | |
1565 | } | |
1566 | ||
1567 | // data tracks play silent | |
1568 | if (ti[track].type != CDDA) { | |
1569 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
1570 | return 0; | |
1571 | } | |
1572 | ||
1573 | file = 1; | |
1574 | if (multifile) { | |
1575 | // find the file that contains this track | |
1576 | for (file = track; file > 1; file--) | |
1577 | if (ti[file].handle != NULL) | |
1578 | break; | |
ef79bbde P |
1579 | } |
1580 | ||
deebc67f | 1581 | ret = cdimg_read_func(ti[file].handle, ti[track].start_offset, |
1582 | buffer, cddaCurPos - track_start); | |
1583 | if (ret != CD_FRAMESIZE_RAW) { | |
1584 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
1585 | return -1; | |
1586 | } | |
1587 | ||
1588 | if (cddaBigEndian) { | |
1589 | int i; | |
1590 | unsigned char tmp; | |
1591 | ||
1592 | for (i = 0; i < CD_FRAMESIZE_RAW / 2; i++) { | |
1593 | tmp = buffer[i * 2]; | |
1594 | buffer[i * 2] = buffer[i * 2 + 1]; | |
1595 | buffer[i * 2 + 1] = tmp; | |
1596 | } | |
1597 | } | |
858ad511 | 1598 | |
ef79bbde P |
1599 | return 0; |
1600 | } | |
1601 | ||
1602 | void cdrIsoInit(void) { | |
1603 | CDR_init = ISOinit; | |
1604 | CDR_shutdown = ISOshutdown; | |
1605 | CDR_open = ISOopen; | |
1606 | CDR_close = ISOclose; | |
1607 | CDR_getTN = ISOgetTN; | |
1608 | CDR_getTD = ISOgetTD; | |
1609 | CDR_readTrack = ISOreadTrack; | |
1610 | CDR_getBuffer = ISOgetBuffer; | |
1611 | CDR_play = ISOplay; | |
1612 | CDR_stop = ISOstop; | |
1613 | CDR_getBufferSub = ISOgetBufferSub; | |
1614 | CDR_getStatus = ISOgetStatus; | |
deebc67f | 1615 | CDR_readCDDA = ISOreadCDDA; |
ef79bbde P |
1616 | |
1617 | CDR_getDriveLetter = CDR__getDriveLetter; | |
1618 | CDR_configure = CDR__configure; | |
1619 | CDR_test = CDR__test; | |
1620 | CDR_about = CDR__about; | |
1621 | CDR_setfilename = CDR__setfilename; | |
1622 | ||
1623 | numtracks = 0; | |
1624 | } | |
1625 | ||
1626 | int cdrIsoActive(void) { | |
1627 | return (cdHandle != NULL); | |
1628 | } |