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