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ef79bbde P |
1 | /*************************************************************************** |
2 | * Copyright (C) 2007 PCSX-df Team * | |
3 | * Copyright (C) 2009 Wei Mingzhi * | |
77160d47 | 4 | * Copyright (C) 2012 notaz * |
ef79bbde P |
5 | * * |
6 | * This program is free software; you can redistribute it and/or modify * | |
7 | * it under the terms of the GNU General Public License as published by * | |
8 | * the Free Software Foundation; either version 2 of the License, or * | |
9 | * (at your option) any later version. * | |
10 | * * | |
11 | * This program is distributed in the hope that it will be useful, * | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
14 | * GNU General Public License for more details. * | |
15 | * * | |
16 | * You should have received a copy of the GNU General Public License * | |
17 | * along with this program; if not, write to the * | |
18 | * Free Software Foundation, Inc., * | |
deebc67f | 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * |
ef79bbde P |
20 | ***************************************************************************/ |
21 | ||
22 | #include "psxcommon.h" | |
23 | #include "plugins.h" | |
24 | #include "cdrom.h" | |
25 | #include "cdriso.h" | |
ae4e7dc9 | 26 | #include "ppf.h" |
ef79bbde P |
27 | |
28 | #ifdef _WIN32 | |
003cfc63 | 29 | #define WIN32_LEAN_AND_MEAN |
ef79bbde P |
30 | #include <process.h> |
31 | #include <windows.h> | |
deebc67f | 32 | #define strcasecmp _stricmp |
003cfc63 | 33 | #define usleep(x) Sleep((x) / 1000) |
ef79bbde P |
34 | #else |
35 | #include <pthread.h> | |
36 | #include <sys/time.h> | |
349f7d81 | 37 | #include <unistd.h> |
ef79bbde | 38 | #endif |
2e058581 | 39 | #include <errno.h> |
9a92bffb | 40 | #include <zlib.h> |
ef79bbde | 41 | |
00f0670c | 42 | #ifdef HAVE_CHD |
43 | #include "chd.h" | |
44 | #endif | |
45 | ||
cc376814 | 46 | #define OFF_T_MSB ((off_t)1 << (sizeof(off_t) * 8 - 1)) |
47 | ||
0c2871a7 | 48 | unsigned int cdrIsoMultidiskCount; |
49 | unsigned int cdrIsoMultidiskSelect; | |
50 | ||
ef79bbde P |
51 | static FILE *cdHandle = NULL; |
52 | static FILE *cddaHandle = NULL; | |
53 | static FILE *subHandle = NULL; | |
54 | ||
55 | static boolean subChanMixed = FALSE; | |
56 | static boolean subChanRaw = FALSE; | |
8aa91443 | 57 | static boolean subChanMissing = FALSE; |
ef79bbde | 58 | |
deebc67f | 59 | static boolean multifile = FALSE; |
60 | ||
81abe4d5 | 61 | static unsigned char cdbuffer[CD_FRAMESIZE_RAW]; |
ef79bbde P |
62 | static unsigned char subbuffer[SUB_FRAMESIZE]; |
63 | ||
38b8102c | 64 | static boolean playing = FALSE; |
ef79bbde | 65 | static boolean cddaBigEndian = FALSE; |
8aa91443 | 66 | /* Frame offset into CD image where pregap data would be found if it was there. |
67 | * If a game seeks there we must *not* return subchannel data since it's | |
68 | * not in the CD image, so that cdrom code can fake subchannel data instead. | |
69 | * XXX: there could be multiple pregaps but PSX dumps only have one? */ | |
70 | static unsigned int pregapOffset; | |
ef79bbde | 71 | |
ecd502e1 | 72 | static unsigned int cddaCurPos; |
deebc67f | 73 | |
9a92bffb | 74 | // compressed image stuff |
75 | static struct { | |
76 | unsigned char buff_raw[16][CD_FRAMESIZE_RAW]; | |
77 | unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100]; | |
cc376814 | 78 | off_t *index_table; |
9a92bffb | 79 | unsigned int index_len; |
0877957a | 80 | unsigned int block_shift; |
9a92bffb | 81 | unsigned int current_block; |
82 | unsigned int sector_in_blk; | |
83 | } *compr_img; | |
84 | ||
00f0670c | 85 | #ifdef HAVE_CHD |
86 | typedef struct { | |
87 | unsigned char (*buffer)[CD_FRAMESIZE_RAW + SUB_FRAMESIZE]; | |
88 | chd_file* chd; | |
89 | const chd_header* header; | |
90 | unsigned int sectors_per_hunk; | |
91 | unsigned int current_hunk; | |
92 | unsigned int sector_in_hunk; | |
93 | } CHD_IMG; | |
94 | ||
95 | static CHD_IMG *chd_img; | |
96 | #endif | |
97 | ||
77160d47 | 98 | int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector); |
9a92bffb | 99 | |
ef79bbde P |
100 | char* CALLBACK CDR__getDriveLetter(void); |
101 | long CALLBACK CDR__configure(void); | |
102 | long CALLBACK CDR__test(void); | |
103 | void CALLBACK CDR__about(void); | |
104 | long CALLBACK CDR__setfilename(char *filename); | |
105 | long CALLBACK CDR__getStatus(struct CdrStat *stat); | |
106 | ||
19c03d80 | 107 | static void DecodeRawSubData(void); |
108 | ||
ef79bbde | 109 | struct trackinfo { |
deebc67f | 110 | enum {DATA=1, CDDA} type; |
ef79bbde P |
111 | char start[3]; // MSF-format |
112 | char length[3]; // MSF-format | |
38b8102c | 113 | FILE *handle; // for multi-track images CDDA |
77160d47 | 114 | unsigned int start_offset; // byte offset from start of above file |
ef79bbde P |
115 | }; |
116 | ||
117 | #define MAXTRACKS 100 /* How many tracks can a CD hold? */ | |
118 | ||
119 | static int numtracks = 0; | |
120 | static struct trackinfo ti[MAXTRACKS]; | |
121 | ||
122 | // get a sector from a msf-array | |
123 | static unsigned int msf2sec(char *msf) { | |
124 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; | |
125 | } | |
126 | ||
127 | static void sec2msf(unsigned int s, char *msf) { | |
128 | msf[0] = s / 75 / 60; | |
129 | s = s - msf[0] * 75 * 60; | |
130 | msf[1] = s / 75; | |
131 | s = s - msf[1] * 75; | |
132 | msf[2] = s; | |
133 | } | |
134 | ||
135 | // divide a string of xx:yy:zz into m, s, f | |
136 | static void tok2msf(char *time, char *msf) { | |
137 | char *token; | |
138 | ||
139 | token = strtok(time, ":"); | |
140 | if (token) { | |
141 | msf[0] = atoi(token); | |
142 | } | |
143 | else { | |
144 | msf[0] = 0; | |
145 | } | |
146 | ||
147 | token = strtok(NULL, ":"); | |
148 | if (token) { | |
149 | msf[1] = atoi(token); | |
150 | } | |
151 | else { | |
152 | msf[1] = 0; | |
153 | } | |
154 | ||
155 | token = strtok(NULL, ":"); | |
156 | if (token) { | |
157 | msf[2] = atoi(token); | |
158 | } | |
159 | else { | |
160 | msf[2] = 0; | |
161 | } | |
162 | } | |
163 | ||
ef79bbde P |
164 | // stop the CDDA playback |
165 | static void stopCDDA() { | |
ef79bbde | 166 | playing = FALSE; |
ef79bbde P |
167 | } |
168 | ||
169 | // this function tries to get the .toc file of the given .bin | |
170 | // the necessary data is put into the ti (trackinformation)-array | |
171 | static int parsetoc(const char *isofile) { | |
172 | char tocname[MAXPATHLEN]; | |
173 | FILE *fi; | |
e999be41 | 174 | char linebuf[256], tmp[256], name[256]; |
ef79bbde P |
175 | char *token; |
176 | char time[20], time2[20]; | |
e999be41 | 177 | unsigned int t, sector_offs, sector_size; |
178 | unsigned int current_zero_gap = 0; | |
ef79bbde P |
179 | |
180 | numtracks = 0; | |
181 | ||
182 | // copy name of the iso and change extension from .bin to .toc | |
183 | strncpy(tocname, isofile, sizeof(tocname)); | |
184 | tocname[MAXPATHLEN - 1] = '\0'; | |
185 | if (strlen(tocname) >= 4) { | |
186 | strcpy(tocname + strlen(tocname) - 4, ".toc"); | |
187 | } | |
188 | else { | |
189 | return -1; | |
190 | } | |
191 | ||
192 | if ((fi = fopen(tocname, "r")) == NULL) { | |
193 | // try changing extension to .cue (to satisfy some stupid tutorials) | |
194 | strcpy(tocname + strlen(tocname) - 4, ".cue"); | |
195 | if ((fi = fopen(tocname, "r")) == NULL) { | |
196 | // if filename is image.toc.bin, try removing .bin (for Brasero) | |
197 | strcpy(tocname, isofile); | |
198 | t = strlen(tocname); | |
199 | if (t >= 8 && strcmp(tocname + t - 8, ".toc.bin") == 0) { | |
200 | tocname[t - 4] = '\0'; | |
201 | if ((fi = fopen(tocname, "r")) == NULL) { | |
202 | return -1; | |
203 | } | |
204 | } | |
205 | else { | |
206 | return -1; | |
207 | } | |
208 | } | |
92f43ab0 | 209 | // check if it's really a TOC named as a .cue |
210 | fgets(linebuf, sizeof(linebuf), fi); | |
4295c491 | 211 | token = strtok(linebuf, " "); |
212 | if (token && strncmp(token, "CD", 2) != 0 && strcmp(token, "CATALOG") != 0) { | |
92f43ab0 | 213 | fclose(fi); |
214 | return -1; | |
215 | } | |
216 | fseek(fi, 0, SEEK_SET); | |
ef79bbde P |
217 | } |
218 | ||
219 | memset(&ti, 0, sizeof(ti)); | |
220 | cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio | |
221 | ||
e999be41 | 222 | sector_size = CD_FRAMESIZE_RAW; |
19c03d80 | 223 | sector_offs = 2 * 75; |
224 | ||
ef79bbde P |
225 | // parse the .toc file |
226 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
227 | // search for tracks | |
e999be41 | 228 | strncpy(tmp, linebuf, sizeof(linebuf)); |
229 | token = strtok(tmp, " "); | |
ef79bbde P |
230 | |
231 | if (token == NULL) continue; | |
232 | ||
233 | if (!strcmp(token, "TRACK")) { | |
e999be41 | 234 | sector_offs += current_zero_gap; |
235 | current_zero_gap = 0; | |
236 | ||
ef79bbde P |
237 | // get type of track |
238 | token = strtok(NULL, " "); | |
239 | numtracks++; | |
240 | ||
241 | if (!strncmp(token, "MODE2_RAW", 9)) { | |
242 | ti[numtracks].type = DATA; | |
243 | sec2msf(2 * 75, ti[numtracks].start); // assume data track on 0:2:0 | |
244 | ||
245 | // check if this image contains mixed subchannel data | |
246 | token = strtok(NULL, " "); | |
e999be41 | 247 | if (token != NULL && !strncmp(token, "RW", 2)) { |
248 | sector_size = CD_FRAMESIZE_RAW + SUB_FRAMESIZE; | |
ef79bbde | 249 | subChanMixed = TRUE; |
e999be41 | 250 | if (!strncmp(token, "RW_RAW", 6)) |
251 | subChanRaw = TRUE; | |
ef79bbde P |
252 | } |
253 | } | |
254 | else if (!strncmp(token, "AUDIO", 5)) { | |
255 | ti[numtracks].type = CDDA; | |
256 | } | |
257 | } | |
258 | else if (!strcmp(token, "DATAFILE")) { | |
259 | if (ti[numtracks].type == CDDA) { | |
260 | sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2); | |
19c03d80 | 261 | ti[numtracks].start_offset = t; |
e999be41 | 262 | t = t / sector_size + sector_offs; |
ef79bbde P |
263 | sec2msf(t, (char *)&ti[numtracks].start); |
264 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
265 | } | |
266 | else { | |
267 | sscanf(linebuf, "DATAFILE \"%[^\"]\" %8s", name, time); | |
268 | tok2msf((char *)&time, (char *)&ti[numtracks].length); | |
269 | } | |
270 | } | |
271 | else if (!strcmp(token, "FILE")) { | |
272 | sscanf(linebuf, "FILE \"%[^\"]\" #%d %8s %8s", name, &t, time, time2); | |
273 | tok2msf((char *)&time, (char *)&ti[numtracks].start); | |
e999be41 | 274 | t += msf2sec(ti[numtracks].start) * sector_size; |
19c03d80 | 275 | ti[numtracks].start_offset = t; |
e999be41 | 276 | t = t / sector_size + sector_offs; |
ef79bbde P |
277 | sec2msf(t, (char *)&ti[numtracks].start); |
278 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
279 | } | |
e999be41 | 280 | else if (!strcmp(token, "ZERO") || !strcmp(token, "SILENCE")) { |
281 | // skip unneeded optional fields | |
282 | while (token != NULL) { | |
283 | token = strtok(NULL, " "); | |
284 | if (strchr(token, ':') != NULL) | |
285 | break; | |
286 | } | |
287 | if (token != NULL) { | |
288 | tok2msf(token, tmp); | |
289 | current_zero_gap = msf2sec(tmp); | |
290 | } | |
8aa91443 | 291 | if (numtracks > 1) { |
292 | t = ti[numtracks - 1].start_offset; | |
e999be41 | 293 | t /= sector_size; |
8aa91443 | 294 | pregapOffset = t + msf2sec(ti[numtracks - 1].length); |
295 | } | |
19c03d80 | 296 | } |
e999be41 | 297 | else if (!strcmp(token, "START")) { |
298 | token = strtok(NULL, " "); | |
299 | if (token != NULL && strchr(token, ':')) { | |
300 | tok2msf(token, tmp); | |
301 | t = msf2sec(tmp); | |
302 | ti[numtracks].start_offset += (t - current_zero_gap) * sector_size; | |
303 | t = msf2sec(ti[numtracks].start) + t; | |
304 | sec2msf(t, (char *)&ti[numtracks].start); | |
305 | } | |
306 | } | |
ef79bbde P |
307 | } |
308 | ||
309 | fclose(fi); | |
310 | ||
311 | return 0; | |
312 | } | |
313 | ||
314 | // this function tries to get the .cue file of the given .bin | |
315 | // the necessary data is put into the ti (trackinformation)-array | |
316 | static int parsecue(const char *isofile) { | |
317 | char cuename[MAXPATHLEN]; | |
38b8102c | 318 | char filepath[MAXPATHLEN]; |
319 | char *incue_fname; | |
ef79bbde P |
320 | FILE *fi; |
321 | char *token; | |
322 | char time[20]; | |
323 | char *tmp; | |
19c03d80 | 324 | char linebuf[256], tmpb[256], dummy[256]; |
38b8102c | 325 | unsigned int incue_max_len; |
77160d47 | 326 | unsigned int t, file_len, mode, sector_offs; |
327 | unsigned int sector_size = 2352; | |
ef79bbde P |
328 | |
329 | numtracks = 0; | |
330 | ||
331 | // copy name of the iso and change extension from .bin to .cue | |
332 | strncpy(cuename, isofile, sizeof(cuename)); | |
333 | cuename[MAXPATHLEN - 1] = '\0'; | |
334 | if (strlen(cuename) >= 4) { | |
335 | strcpy(cuename + strlen(cuename) - 4, ".cue"); | |
336 | } | |
337 | else { | |
338 | return -1; | |
339 | } | |
340 | ||
341 | if ((fi = fopen(cuename, "r")) == NULL) { | |
342 | return -1; | |
343 | } | |
344 | ||
345 | // Some stupid tutorials wrongly tell users to use cdrdao to rip a | |
346 | // "bin/cue" image, which is in fact a "bin/toc" image. So let's check | |
347 | // that... | |
348 | if (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
349 | if (!strncmp(linebuf, "CD_ROM_XA", 9)) { | |
350 | // Don't proceed further, as this is actually a .toc file rather | |
351 | // than a .cue file. | |
352 | fclose(fi); | |
353 | return parsetoc(isofile); | |
354 | } | |
355 | fseek(fi, 0, SEEK_SET); | |
356 | } | |
357 | ||
38b8102c | 358 | // build a path for files referenced in .cue |
359 | strncpy(filepath, cuename, sizeof(filepath)); | |
22bbabf6 | 360 | tmp = strrchr(filepath, '/'); |
38b8102c | 361 | if (tmp == NULL) |
22bbabf6 | 362 | tmp = strrchr(filepath, '\\'); |
363 | if (tmp != NULL) | |
364 | tmp++; | |
365 | else | |
38b8102c | 366 | tmp = filepath; |
367 | *tmp = 0; | |
368 | filepath[sizeof(filepath) - 1] = 0; | |
369 | incue_fname = tmp; | |
370 | incue_max_len = sizeof(filepath) - (tmp - filepath) - 1; | |
371 | ||
ef79bbde P |
372 | memset(&ti, 0, sizeof(ti)); |
373 | ||
19c03d80 | 374 | file_len = 0; |
375 | sector_offs = 2 * 75; | |
376 | ||
ef79bbde P |
377 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { |
378 | strncpy(dummy, linebuf, sizeof(linebuf)); | |
379 | token = strtok(dummy, " "); | |
380 | ||
381 | if (token == NULL) { | |
382 | continue; | |
383 | } | |
384 | ||
19c03d80 | 385 | if (!strcmp(token, "TRACK")) { |
ef79bbde P |
386 | numtracks++; |
387 | ||
77160d47 | 388 | sector_size = 0; |
ef79bbde P |
389 | if (strstr(linebuf, "AUDIO") != NULL) { |
390 | ti[numtracks].type = CDDA; | |
77160d47 | 391 | sector_size = 2352; |
ef79bbde | 392 | } |
77160d47 | 393 | else if (sscanf(linebuf, " TRACK %u MODE%u/%u", &t, &mode, §or_size) == 3) |
ef79bbde | 394 | ti[numtracks].type = DATA; |
77160d47 | 395 | else { |
396 | SysPrintf(".cue: failed to parse TRACK\n"); | |
397 | ti[numtracks].type = numtracks == 1 ? DATA : CDDA; | |
ef79bbde | 398 | } |
77160d47 | 399 | if (sector_size == 0) |
400 | sector_size = 2352; | |
ef79bbde P |
401 | } |
402 | else if (!strcmp(token, "INDEX")) { | |
77160d47 | 403 | if (sscanf(linebuf, " INDEX %02d %8s", &t, time) != 2) |
404 | SysPrintf(".cue: failed to parse INDEX\n"); | |
19c03d80 | 405 | tok2msf(time, (char *)&ti[numtracks].start); |
ef79bbde | 406 | |
19c03d80 | 407 | t = msf2sec(ti[numtracks].start); |
77160d47 | 408 | ti[numtracks].start_offset = t * sector_size; |
19c03d80 | 409 | t += sector_offs; |
ef79bbde | 410 | sec2msf(t, ti[numtracks].start); |
19c03d80 | 411 | |
412 | // default track length to file length | |
77160d47 | 413 | t = file_len - ti[numtracks].start_offset / sector_size; |
19c03d80 | 414 | sec2msf(t, ti[numtracks].length); |
415 | ||
416 | if (numtracks > 1 && ti[numtracks].handle == NULL) { | |
417 | // this track uses the same file as the last, | |
418 | // start of this track is last track's end | |
419 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
420 | sec2msf(t, ti[numtracks - 1].length); | |
38b8102c | 421 | } |
8aa91443 | 422 | if (numtracks > 1 && pregapOffset == -1) |
77160d47 | 423 | pregapOffset = ti[numtracks].start_offset / sector_size; |
19c03d80 | 424 | } |
425 | else if (!strcmp(token, "PREGAP")) { | |
426 | if (sscanf(linebuf, " PREGAP %8s", time) == 1) { | |
427 | tok2msf(time, dummy); | |
428 | sector_offs += msf2sec(dummy); | |
38b8102c | 429 | } |
8aa91443 | 430 | pregapOffset = -1; // mark to fill track start_offset |
19c03d80 | 431 | } |
432 | else if (!strcmp(token, "FILE")) { | |
9a9bcd78 | 433 | t = sscanf(linebuf, " FILE \"%255[^\"]\"", tmpb); |
385c023b | 434 | if (t != 1) |
9a9bcd78 | 435 | sscanf(linebuf, " FILE %255s", tmpb); |
19c03d80 | 436 | |
437 | // absolute path? | |
438 | ti[numtracks + 1].handle = fopen(tmpb, "rb"); | |
439 | if (ti[numtracks + 1].handle == NULL) { | |
440 | // relative to .cue? | |
441 | tmp = strrchr(tmpb, '\\'); | |
442 | if (tmp == NULL) | |
443 | tmp = strrchr(tmpb, '/'); | |
38b8102c | 444 | if (tmp != NULL) |
19c03d80 | 445 | tmp++; |
446 | else | |
447 | tmp = tmpb; | |
448 | strncpy(incue_fname, tmp, incue_max_len); | |
449 | ti[numtracks + 1].handle = fopen(filepath, "rb"); | |
38b8102c | 450 | } |
ef79bbde | 451 | |
19c03d80 | 452 | // update global offset if this is not first file in this .cue |
deebc67f | 453 | if (numtracks + 1 > 1) { |
454 | multifile = 1; | |
19c03d80 | 455 | sector_offs += file_len; |
deebc67f | 456 | } |
19c03d80 | 457 | |
458 | file_len = 0; | |
38b8102c | 459 | if (ti[numtracks + 1].handle == NULL) { |
19c03d80 | 460 | SysPrintf(_("\ncould not open: %s\n"), filepath); |
461 | continue; | |
38b8102c | 462 | } |
19c03d80 | 463 | fseek(ti[numtracks + 1].handle, 0, SEEK_END); |
464 | file_len = ftell(ti[numtracks + 1].handle) / 2352; | |
465 | ||
466 | if (numtracks == 0 && strlen(isofile) >= 4 && | |
467 | strcmp(isofile + strlen(isofile) - 4, ".cue") == 0) | |
468 | { | |
38b8102c | 469 | // user selected .cue as image file, use it's data track instead |
470 | fclose(cdHandle); | |
471 | cdHandle = fopen(filepath, "rb"); | |
ef79bbde P |
472 | } |
473 | } | |
474 | } | |
475 | ||
476 | fclose(fi); | |
477 | ||
ef79bbde P |
478 | return 0; |
479 | } | |
480 | ||
481 | // this function tries to get the .ccd file of the given .img | |
482 | // the necessary data is put into the ti (trackinformation)-array | |
483 | static int parseccd(const char *isofile) { | |
484 | char ccdname[MAXPATHLEN]; | |
485 | FILE *fi; | |
486 | char linebuf[256]; | |
487 | unsigned int t; | |
488 | ||
489 | numtracks = 0; | |
490 | ||
491 | // copy name of the iso and change extension from .img to .ccd | |
492 | strncpy(ccdname, isofile, sizeof(ccdname)); | |
493 | ccdname[MAXPATHLEN - 1] = '\0'; | |
494 | if (strlen(ccdname) >= 4) { | |
495 | strcpy(ccdname + strlen(ccdname) - 4, ".ccd"); | |
496 | } | |
497 | else { | |
498 | return -1; | |
499 | } | |
500 | ||
501 | if ((fi = fopen(ccdname, "r")) == NULL) { | |
502 | return -1; | |
503 | } | |
504 | ||
505 | memset(&ti, 0, sizeof(ti)); | |
506 | ||
507 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
508 | if (!strncmp(linebuf, "[TRACK", 6)){ | |
509 | numtracks++; | |
510 | } | |
511 | else if (!strncmp(linebuf, "MODE=", 5)) { | |
512 | sscanf(linebuf, "MODE=%d", &t); | |
513 | ti[numtracks].type = ((t == 0) ? CDDA : DATA); | |
514 | } | |
515 | else if (!strncmp(linebuf, "INDEX 1=", 8)) { | |
516 | sscanf(linebuf, "INDEX 1=%d", &t); | |
517 | sec2msf(t + 2 * 75, ti[numtracks].start); | |
77160d47 | 518 | ti[numtracks].start_offset = t * 2352; |
ef79bbde P |
519 | |
520 | // If we've already seen another track, this is its end | |
521 | if (numtracks > 1) { | |
522 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
523 | sec2msf(t, ti[numtracks - 1].length); | |
524 | } | |
525 | } | |
526 | } | |
527 | ||
528 | fclose(fi); | |
529 | ||
530 | // Fill out the last track's end based on size | |
531 | if (numtracks >= 1) { | |
532 | fseek(cdHandle, 0, SEEK_END); | |
533 | t = ftell(cdHandle) / 2352 - msf2sec(ti[numtracks].start) + 2 * 75; | |
534 | sec2msf(t, ti[numtracks].length); | |
535 | } | |
536 | ||
537 | return 0; | |
538 | } | |
539 | ||
540 | // this function tries to get the .mds file of the given .mdf | |
541 | // the necessary data is put into the ti (trackinformation)-array | |
542 | static int parsemds(const char *isofile) { | |
543 | char mdsname[MAXPATHLEN]; | |
544 | FILE *fi; | |
545 | unsigned int offset, extra_offset, l, i; | |
546 | unsigned short s; | |
547 | ||
548 | numtracks = 0; | |
549 | ||
550 | // copy name of the iso and change extension from .mdf to .mds | |
551 | strncpy(mdsname, isofile, sizeof(mdsname)); | |
552 | mdsname[MAXPATHLEN - 1] = '\0'; | |
553 | if (strlen(mdsname) >= 4) { | |
554 | strcpy(mdsname + strlen(mdsname) - 4, ".mds"); | |
555 | } | |
556 | else { | |
557 | return -1; | |
558 | } | |
559 | ||
560 | if ((fi = fopen(mdsname, "rb")) == NULL) { | |
561 | return -1; | |
562 | } | |
563 | ||
564 | memset(&ti, 0, sizeof(ti)); | |
565 | ||
566 | // check if it's a valid mds file | |
567 | fread(&i, 1, sizeof(unsigned int), fi); | |
568 | i = SWAP32(i); | |
569 | if (i != 0x4944454D) { | |
570 | // not an valid mds file | |
571 | fclose(fi); | |
572 | return -1; | |
573 | } | |
574 | ||
575 | // get offset to session block | |
576 | fseek(fi, 0x50, SEEK_SET); | |
577 | fread(&offset, 1, sizeof(unsigned int), fi); | |
578 | offset = SWAP32(offset); | |
579 | ||
580 | // get total number of tracks | |
581 | offset += 14; | |
582 | fseek(fi, offset, SEEK_SET); | |
583 | fread(&s, 1, sizeof(unsigned short), fi); | |
584 | s = SWAP16(s); | |
585 | numtracks = s; | |
586 | ||
587 | // get offset to track blocks | |
588 | fseek(fi, 4, SEEK_CUR); | |
589 | fread(&offset, 1, sizeof(unsigned int), fi); | |
590 | offset = SWAP32(offset); | |
591 | ||
592 | // skip lead-in data | |
593 | while (1) { | |
594 | fseek(fi, offset + 4, SEEK_SET); | |
595 | if (fgetc(fi) < 0xA0) { | |
596 | break; | |
597 | } | |
598 | offset += 0x50; | |
599 | } | |
600 | ||
601 | // check if the image contains mixed subchannel data | |
602 | fseek(fi, offset + 1, SEEK_SET); | |
77160d47 | 603 | subChanMixed = subChanRaw = (fgetc(fi) ? TRUE : FALSE); |
ef79bbde P |
604 | |
605 | // read track data | |
606 | for (i = 1; i <= numtracks; i++) { | |
607 | fseek(fi, offset, SEEK_SET); | |
608 | ||
609 | // get the track type | |
610 | ti[i].type = ((fgetc(fi) == 0xA9) ? CDDA : DATA); | |
611 | fseek(fi, 8, SEEK_CUR); | |
612 | ||
613 | // get the track starting point | |
614 | ti[i].start[0] = fgetc(fi); | |
615 | ti[i].start[1] = fgetc(fi); | |
616 | ti[i].start[2] = fgetc(fi); | |
617 | ||
ef79bbde P |
618 | fread(&extra_offset, 1, sizeof(unsigned int), fi); |
619 | extra_offset = SWAP32(extra_offset); | |
620 | ||
19c03d80 | 621 | // get track start offset (in .mdf) |
622 | fseek(fi, offset + 0x28, SEEK_SET); | |
623 | fread(&l, 1, sizeof(unsigned int), fi); | |
624 | l = SWAP32(l); | |
77160d47 | 625 | ti[i].start_offset = l; |
19c03d80 | 626 | |
8aa91443 | 627 | // get pregap |
628 | fseek(fi, extra_offset, SEEK_SET); | |
629 | fread(&l, 1, sizeof(unsigned int), fi); | |
630 | l = SWAP32(l); | |
631 | if (l != 0 && i > 1) | |
77160d47 | 632 | pregapOffset = msf2sec(ti[i].start); |
8aa91443 | 633 | |
634 | // get the track length | |
635 | fread(&l, 1, sizeof(unsigned int), fi); | |
636 | l = SWAP32(l); | |
637 | sec2msf(l, ti[i].length); | |
638 | ||
ef79bbde P |
639 | offset += 0x50; |
640 | } | |
641 | ||
642 | fclose(fi); | |
643 | return 0; | |
644 | } | |
645 | ||
0877957a | 646 | static int handlepbp(const char *isofile) { |
9a92bffb | 647 | struct { |
648 | unsigned int sig; | |
649 | unsigned int dontcare[8]; | |
650 | unsigned int psar_offs; | |
651 | } pbp_hdr; | |
652 | struct { | |
653 | unsigned char type; | |
654 | unsigned char pad0; | |
655 | unsigned char track; | |
656 | char index0[3]; | |
657 | char pad1; | |
658 | char index1[3]; | |
659 | } toc_entry; | |
660 | struct { | |
661 | unsigned int offset; | |
662 | unsigned int size; | |
663 | unsigned int dontcare[6]; | |
664 | } index_entry; | |
0c2871a7 | 665 | char psar_sig[11]; |
cc376814 | 666 | off_t psisoimg_offs, cdimg_base; |
667 | unsigned int t, cd_length; | |
668 | unsigned int offsettab[8]; | |
9a92bffb | 669 | const char *ext = NULL; |
670 | int i, ret; | |
671 | ||
672 | if (strlen(isofile) >= 4) | |
673 | ext = isofile + strlen(isofile) - 4; | |
674 | if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0)) | |
675 | return -1; | |
676 | ||
cc376814 | 677 | fseeko(cdHandle, 0, SEEK_SET); |
9726a4af | 678 | |
9a92bffb | 679 | numtracks = 0; |
680 | ||
681 | ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle); | |
682 | if (ret != sizeof(pbp_hdr)) { | |
f29fbd53 | 683 | SysPrintf("failed to read pbp\n"); |
9a92bffb | 684 | goto fail_io; |
685 | } | |
686 | ||
cc376814 | 687 | ret = fseeko(cdHandle, pbp_hdr.psar_offs, SEEK_SET); |
9a92bffb | 688 | if (ret != 0) { |
f29fbd53 | 689 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs); |
9a92bffb | 690 | goto fail_io; |
691 | } | |
692 | ||
0c2871a7 | 693 | psisoimg_offs = pbp_hdr.psar_offs; |
9a92bffb | 694 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); |
0c2871a7 | 695 | psar_sig[10] = 0; |
696 | if (strcmp(psar_sig, "PSTITLEIMG") == 0) { | |
697 | // multidisk image? | |
cc376814 | 698 | ret = fseeko(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET); |
0c2871a7 | 699 | if (ret != 0) { |
f29fbd53 | 700 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs + 0x200); |
0c2871a7 | 701 | goto fail_io; |
702 | } | |
703 | ||
704 | if (fread(&offsettab, 1, sizeof(offsettab), cdHandle) != sizeof(offsettab)) { | |
f29fbd53 | 705 | SysPrintf("failed to read offsettab\n"); |
0c2871a7 | 706 | goto fail_io; |
707 | } | |
708 | ||
709 | for (i = 0; i < sizeof(offsettab) / sizeof(offsettab[0]); i++) { | |
710 | if (offsettab[i] == 0) | |
711 | break; | |
712 | } | |
713 | cdrIsoMultidiskCount = i; | |
714 | if (cdrIsoMultidiskCount == 0) { | |
f29fbd53 | 715 | SysPrintf("multidisk eboot has 0 images?\n"); |
0c2871a7 | 716 | goto fail_io; |
717 | } | |
718 | ||
719 | if (cdrIsoMultidiskSelect >= cdrIsoMultidiskCount) | |
720 | cdrIsoMultidiskSelect = 0; | |
721 | ||
722 | psisoimg_offs += offsettab[cdrIsoMultidiskSelect]; | |
723 | ||
cc376814 | 724 | ret = fseeko(cdHandle, psisoimg_offs, SEEK_SET); |
0c2871a7 | 725 | if (ret != 0) { |
cc376814 | 726 | SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs); |
0c2871a7 | 727 | goto fail_io; |
728 | } | |
729 | ||
730 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); | |
731 | psar_sig[10] = 0; | |
732 | } | |
733 | ||
734 | if (strcmp(psar_sig, "PSISOIMG00") != 0) { | |
f29fbd53 | 735 | SysPrintf("bad psar_sig: %s\n", psar_sig); |
9a92bffb | 736 | goto fail_io; |
737 | } | |
738 | ||
739 | // seek to TOC | |
cc376814 | 740 | ret = fseeko(cdHandle, psisoimg_offs + 0x800, SEEK_SET); |
9a92bffb | 741 | if (ret != 0) { |
cc376814 | 742 | SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs + 0x800); |
9a92bffb | 743 | goto fail_io; |
744 | } | |
745 | ||
746 | // first 3 entries are special | |
747 | fseek(cdHandle, sizeof(toc_entry), SEEK_CUR); | |
748 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
749 | numtracks = btoi(toc_entry.index1[0]); | |
750 | ||
751 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
752 | cd_length = btoi(toc_entry.index1[0]) * 60 * 75 + | |
753 | btoi(toc_entry.index1[1]) * 75 + btoi(toc_entry.index1[2]); | |
754 | ||
755 | for (i = 1; i <= numtracks; i++) { | |
756 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
757 | ||
758 | ti[i].type = (toc_entry.type == 1) ? CDDA : DATA; | |
759 | ||
760 | ti[i].start_offset = btoi(toc_entry.index0[0]) * 60 * 75 + | |
761 | btoi(toc_entry.index0[1]) * 75 + btoi(toc_entry.index0[2]); | |
77160d47 | 762 | ti[i].start_offset *= 2352; |
9a92bffb | 763 | ti[i].start[0] = btoi(toc_entry.index1[0]); |
764 | ti[i].start[1] = btoi(toc_entry.index1[1]); | |
765 | ti[i].start[2] = btoi(toc_entry.index1[2]); | |
766 | ||
767 | if (i > 1) { | |
768 | t = msf2sec(ti[i].start) - msf2sec(ti[i - 1].start); | |
769 | sec2msf(t, ti[i - 1].length); | |
770 | } | |
771 | } | |
77160d47 | 772 | t = cd_length - ti[numtracks].start_offset / 2352; |
9a92bffb | 773 | sec2msf(t, ti[numtracks].length); |
774 | ||
775 | // seek to ISO index | |
cc376814 | 776 | ret = fseeko(cdHandle, psisoimg_offs + 0x4000, SEEK_SET); |
9a92bffb | 777 | if (ret != 0) { |
f29fbd53 | 778 | SysPrintf("failed to seek to ISO index\n"); |
9a92bffb | 779 | goto fail_io; |
780 | } | |
781 | ||
782 | compr_img = calloc(1, sizeof(*compr_img)); | |
783 | if (compr_img == NULL) | |
784 | goto fail_io; | |
785 | ||
0877957a | 786 | compr_img->block_shift = 4; |
9a92bffb | 787 | compr_img->current_block = (unsigned int)-1; |
788 | ||
789 | compr_img->index_len = (0x100000 - 0x4000) / sizeof(index_entry); | |
790 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
791 | if (compr_img->index_table == NULL) | |
792 | goto fail_io; | |
793 | ||
0c2871a7 | 794 | cdimg_base = psisoimg_offs + 0x100000; |
9a92bffb | 795 | for (i = 0; i < compr_img->index_len; i++) { |
796 | ret = fread(&index_entry, 1, sizeof(index_entry), cdHandle); | |
797 | if (ret != sizeof(index_entry)) { | |
f29fbd53 | 798 | SysPrintf("failed to read index_entry #%d\n", i); |
9a92bffb | 799 | goto fail_index; |
800 | } | |
801 | ||
802 | if (index_entry.size == 0) | |
803 | break; | |
804 | ||
805 | compr_img->index_table[i] = cdimg_base + index_entry.offset; | |
806 | } | |
807 | compr_img->index_table[i] = cdimg_base + index_entry.offset + index_entry.size; | |
808 | ||
809 | return 0; | |
810 | ||
811 | fail_index: | |
812 | free(compr_img->index_table); | |
813 | compr_img->index_table = NULL; | |
814 | fail_io: | |
0877957a | 815 | if (compr_img != NULL) { |
816 | free(compr_img); | |
817 | compr_img = NULL; | |
818 | } | |
819 | return -1; | |
820 | } | |
821 | ||
822 | static int handlecbin(const char *isofile) { | |
823 | struct | |
824 | { | |
825 | char magic[4]; | |
826 | unsigned int header_size; | |
827 | unsigned long long total_bytes; | |
828 | unsigned int block_size; | |
829 | unsigned char ver; // 1 | |
830 | unsigned char align; | |
831 | unsigned char rsv_06[2]; | |
832 | } ciso_hdr; | |
833 | const char *ext = NULL; | |
cc376814 | 834 | unsigned int *index_table = NULL; |
0c2871a7 | 835 | unsigned int index = 0, plain; |
0877957a | 836 | int i, ret; |
837 | ||
838 | if (strlen(isofile) >= 5) | |
839 | ext = isofile + strlen(isofile) - 5; | |
840 | if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0)) | |
841 | return -1; | |
842 | ||
9726a4af | 843 | fseek(cdHandle, 0, SEEK_SET); |
844 | ||
0877957a | 845 | ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle); |
846 | if (ret != sizeof(ciso_hdr)) { | |
f29fbd53 | 847 | SysPrintf("failed to read ciso header\n"); |
0877957a | 848 | return -1; |
849 | } | |
850 | ||
851 | if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) { | |
f29fbd53 | 852 | SysPrintf("bad ciso header\n"); |
0877957a | 853 | return -1; |
854 | } | |
855 | if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) { | |
cc376814 | 856 | ret = fseeko(cdHandle, ciso_hdr.header_size, SEEK_SET); |
0877957a | 857 | if (ret != 0) { |
f29fbd53 | 858 | SysPrintf("failed to seek to %x\n", ciso_hdr.header_size); |
0877957a | 859 | return -1; |
860 | } | |
861 | } | |
862 | ||
863 | compr_img = calloc(1, sizeof(*compr_img)); | |
864 | if (compr_img == NULL) | |
865 | goto fail_io; | |
866 | ||
867 | compr_img->block_shift = 0; | |
868 | compr_img->current_block = (unsigned int)-1; | |
869 | ||
870 | compr_img->index_len = ciso_hdr.total_bytes / ciso_hdr.block_size; | |
cc376814 | 871 | index_table = malloc((compr_img->index_len + 1) * sizeof(index_table[0])); |
872 | if (index_table == NULL) | |
0877957a | 873 | goto fail_io; |
874 | ||
cc376814 | 875 | ret = fread(index_table, sizeof(index_table[0]), compr_img->index_len, cdHandle); |
0877957a | 876 | if (ret != compr_img->index_len) { |
f29fbd53 | 877 | SysPrintf("failed to read index table\n"); |
0877957a | 878 | goto fail_index; |
879 | } | |
880 | ||
cc376814 | 881 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); |
882 | if (compr_img->index_table == NULL) | |
883 | goto fail_index; | |
884 | ||
0877957a | 885 | for (i = 0; i < compr_img->index_len + 1; i++) { |
cc376814 | 886 | index = index_table[i]; |
0877957a | 887 | plain = index & 0x80000000; |
888 | index &= 0x7fffffff; | |
cc376814 | 889 | compr_img->index_table[i] = (off_t)index << ciso_hdr.align; |
890 | if (plain) | |
891 | compr_img->index_table[i] |= OFF_T_MSB; | |
0877957a | 892 | } |
0877957a | 893 | |
894 | return 0; | |
895 | ||
896 | fail_index: | |
cc376814 | 897 | free(index_table); |
0877957a | 898 | fail_io: |
899 | if (compr_img != NULL) { | |
900 | free(compr_img); | |
901 | compr_img = NULL; | |
902 | } | |
9a92bffb | 903 | return -1; |
904 | } | |
905 | ||
00f0670c | 906 | #ifdef HAVE_CHD |
907 | static int handlechd(const char *isofile) { | |
908 | int frame_offset = 0; | |
909 | int file_offset = 0; | |
910 | ||
911 | chd_img = (CHD_IMG *)calloc(1, sizeof(*chd_img)); | |
912 | if (chd_img == NULL) | |
913 | goto fail_io; | |
914 | ||
915 | if(chd_open(isofile, CHD_OPEN_READ, NULL, &chd_img->chd) != CHDERR_NONE) | |
916 | goto fail_io; | |
917 | ||
918 | chd_img->header = chd_get_header(chd_img->chd); | |
919 | ||
920 | chd_img->buffer = (unsigned char (*)[CD_FRAMESIZE_RAW + SUB_FRAMESIZE])malloc(chd_img->header->hunkbytes); | |
921 | if (chd_img->buffer == NULL) | |
922 | goto fail_io; | |
923 | ||
924 | chd_img->sectors_per_hunk = chd_img->header->hunkbytes / (CD_FRAMESIZE_RAW + SUB_FRAMESIZE); | |
925 | chd_img->current_hunk = (unsigned int)-1; | |
926 | ||
927 | cddaBigEndian = TRUE; | |
928 | ||
929 | numtracks = 0; | |
930 | memset(ti, 0, sizeof(ti)); | |
931 | ||
932 | while (1) | |
933 | { | |
934 | struct { | |
935 | char type[64]; | |
936 | char subtype[32]; | |
937 | char pgtype[32]; | |
938 | char pgsub[32]; | |
939 | uint32_t track; | |
940 | uint32_t frames; | |
941 | uint32_t pregap; | |
942 | uint32_t postgap; | |
943 | } md = {}; | |
944 | char meta[256]; | |
945 | uint32_t meta_size = 0; | |
946 | ||
947 | if (chd_get_metadata(chd_img->chd, CDROM_TRACK_METADATA2_TAG, numtracks, meta, sizeof(meta), &meta_size, NULL, NULL) == CHDERR_NONE) | |
948 | sscanf(meta, CDROM_TRACK_METADATA2_FORMAT, &md.track, md.type, md.subtype, &md.frames, &md.pregap, md.pgtype, md.pgsub, &md.postgap); | |
949 | else if (chd_get_metadata(chd_img->chd, CDROM_TRACK_METADATA_TAG, numtracks, meta, sizeof(meta), &meta_size, NULL, NULL) == CHDERR_NONE) | |
950 | sscanf(meta, CDROM_TRACK_METADATA_FORMAT, &md.track, md.type, md.subtype, &md.frames); | |
951 | else | |
952 | break; | |
953 | ||
954 | if(md.track == 1) | |
955 | md.pregap = 150; | |
956 | else | |
957 | sec2msf(msf2sec(ti[md.track-1].length) + md.pregap, ti[md.track-1].length); | |
958 | ||
959 | ti[md.track].type = !strncmp(md.type, "AUDIO", 5) ? CDDA : DATA; | |
960 | ||
961 | sec2msf(frame_offset + md.pregap, ti[md.track].start); | |
962 | sec2msf(md.frames, ti[md.track].length); | |
963 | ||
964 | ti[md.track].start_offset = file_offset; | |
965 | ||
966 | frame_offset += md.pregap + md.frames + md.postgap; | |
967 | file_offset += md.frames + md.postgap; | |
968 | numtracks++; | |
969 | } | |
970 | ||
971 | if (numtracks) | |
972 | return 0; | |
973 | ||
974 | fail_io: | |
975 | if (chd_img != NULL) { | |
976 | free(chd_img->buffer); | |
977 | free(chd_img); | |
978 | chd_img = NULL; | |
979 | } | |
980 | return -1; | |
981 | } | |
982 | #endif | |
983 | ||
ef79bbde P |
984 | // this function tries to get the .sub file of the given .img |
985 | static int opensubfile(const char *isoname) { | |
986 | char subname[MAXPATHLEN]; | |
987 | ||
988 | // copy name of the iso and change extension from .img to .sub | |
989 | strncpy(subname, isoname, sizeof(subname)); | |
990 | subname[MAXPATHLEN - 1] = '\0'; | |
991 | if (strlen(subname) >= 4) { | |
992 | strcpy(subname + strlen(subname) - 4, ".sub"); | |
993 | } | |
994 | else { | |
995 | return -1; | |
996 | } | |
997 | ||
998 | subHandle = fopen(subname, "rb"); | |
999 | if (subHandle == NULL) { | |
1000 | return -1; | |
1001 | } | |
1002 | ||
1003 | return 0; | |
1004 | } | |
1005 | ||
ae4e7dc9 | 1006 | static int opensbifile(const char *isoname) { |
1007 | char sbiname[MAXPATHLEN]; | |
1008 | int s; | |
1009 | ||
1010 | strncpy(sbiname, isoname, sizeof(sbiname)); | |
1011 | sbiname[MAXPATHLEN - 1] = '\0'; | |
1012 | if (strlen(sbiname) >= 4) { | |
1013 | strcpy(sbiname + strlen(sbiname) - 4, ".sbi"); | |
1014 | } | |
1015 | else { | |
1016 | return -1; | |
1017 | } | |
1018 | ||
1019 | fseek(cdHandle, 0, SEEK_END); | |
1020 | s = ftell(cdHandle) / 2352; | |
1021 | ||
1022 | return LoadSBI(sbiname, s); | |
1023 | } | |
1024 | ||
77160d47 | 1025 | static int cdread_normal(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1026 | { |
77160d47 | 1027 | fseek(f, base + sector * CD_FRAMESIZE_RAW, SEEK_SET); |
81abe4d5 | 1028 | return fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1029 | } |
1030 | ||
77160d47 | 1031 | static int cdread_sub_mixed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1032 | { |
1033 | int ret; | |
1034 | ||
77160d47 | 1035 | fseek(f, base + sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET); |
81abe4d5 | 1036 | ret = fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1037 | fread(subbuffer, 1, SUB_FRAMESIZE, f); |
1038 | ||
1039 | if (subChanRaw) DecodeRawSubData(); | |
1040 | ||
1041 | return ret; | |
1042 | } | |
1043 | ||
2dd6a826 | 1044 | static int uncompress2_pcsx(void *out, unsigned long *out_size, void *in, unsigned long in_size) |
9a92bffb | 1045 | { |
1046 | static z_stream z; | |
1047 | int ret = 0; | |
1048 | ||
1049 | if (z.zalloc == NULL) { | |
1050 | // XXX: one-time leak here.. | |
1051 | z.next_in = Z_NULL; | |
1052 | z.avail_in = 0; | |
1053 | z.zalloc = Z_NULL; | |
1054 | z.zfree = Z_NULL; | |
1055 | z.opaque = Z_NULL; | |
1056 | ret = inflateInit2(&z, -15); | |
1057 | } | |
1058 | else | |
1059 | ret = inflateReset(&z); | |
1060 | if (ret != Z_OK) | |
1061 | return ret; | |
1062 | ||
1063 | z.next_in = in; | |
1064 | z.avail_in = in_size; | |
1065 | z.next_out = out; | |
1066 | z.avail_out = *out_size; | |
1067 | ||
1068 | ret = inflate(&z, Z_NO_FLUSH); | |
1069 | //inflateEnd(&z); | |
1070 | ||
1071 | *out_size -= z.avail_out; | |
1072 | return ret == 1 ? 0 : ret; | |
1073 | } | |
1074 | ||
77160d47 | 1075 | static int cdread_compressed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1076 | { |
0877957a | 1077 | unsigned long cdbuffer_size, cdbuffer_size_expect; |
cc376814 | 1078 | unsigned int size; |
0877957a | 1079 | int is_compressed; |
cc376814 | 1080 | off_t start_byte; |
9a92bffb | 1081 | int ret, block; |
1082 | ||
77160d47 | 1083 | if (base) |
1084 | sector += base / 2352; | |
1085 | ||
0877957a | 1086 | block = sector >> compr_img->block_shift; |
1087 | compr_img->sector_in_blk = sector & ((1 << compr_img->block_shift) - 1); | |
9a92bffb | 1088 | |
1089 | if (block == compr_img->current_block) { | |
1090 | //printf("hit sect %d\n", sector); | |
1091 | goto finish; | |
1092 | } | |
1093 | ||
1094 | if (sector >= compr_img->index_len * 16) { | |
f29fbd53 | 1095 | SysPrintf("sector %d is past img end\n", sector); |
9a92bffb | 1096 | return -1; |
1097 | } | |
1098 | ||
cc376814 | 1099 | start_byte = compr_img->index_table[block] & ~OFF_T_MSB; |
1100 | if (fseeko(cdHandle, start_byte, SEEK_SET) != 0) { | |
1101 | SysPrintf("seek error for block %d at %llx: ", | |
1102 | block, (long long)start_byte); | |
9a92bffb | 1103 | perror(NULL); |
1104 | return -1; | |
1105 | } | |
1106 | ||
cc376814 | 1107 | is_compressed = !(compr_img->index_table[block] & OFF_T_MSB); |
1108 | size = (compr_img->index_table[block + 1] & ~OFF_T_MSB) - start_byte; | |
9a92bffb | 1109 | if (size > sizeof(compr_img->buff_compressed)) { |
f29fbd53 | 1110 | SysPrintf("block %d is too large: %u\n", block, size); |
9a92bffb | 1111 | return -1; |
1112 | } | |
1113 | ||
0877957a | 1114 | if (fread(is_compressed ? compr_img->buff_compressed : compr_img->buff_raw[0], |
1115 | 1, size, cdHandle) != size) { | |
f29fbd53 | 1116 | SysPrintf("read error for block %d at %x: ", block, start_byte); |
9a92bffb | 1117 | perror(NULL); |
1118 | return -1; | |
1119 | } | |
1120 | ||
0877957a | 1121 | if (is_compressed) { |
1122 | cdbuffer_size_expect = sizeof(compr_img->buff_raw[0]) << compr_img->block_shift; | |
1123 | cdbuffer_size = cdbuffer_size_expect; | |
2dd6a826 | 1124 | ret = uncompress2_pcsx(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size); |
0877957a | 1125 | if (ret != 0) { |
f29fbd53 | 1126 | SysPrintf("uncompress failed with %d for block %d, sector %d\n", |
0877957a | 1127 | ret, block, sector); |
1128 | return -1; | |
1129 | } | |
1130 | if (cdbuffer_size != cdbuffer_size_expect) | |
f29fbd53 | 1131 | SysPrintf("cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size, |
0877957a | 1132 | cdbuffer_size_expect, sector); |
9a92bffb | 1133 | } |
9a92bffb | 1134 | |
1135 | // done at last! | |
1136 | compr_img->current_block = block; | |
1137 | ||
1138 | finish: | |
1139 | if (dest != cdbuffer) // copy avoid HACK | |
81abe4d5 | 1140 | memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk], |
1141 | CD_FRAMESIZE_RAW); | |
1142 | return CD_FRAMESIZE_RAW; | |
9a92bffb | 1143 | } |
1144 | ||
00f0670c | 1145 | #ifdef HAVE_CHD |
1146 | static int cdread_chd(FILE *f, unsigned int base, void *dest, int sector) | |
1147 | { | |
1148 | int hunk; | |
1149 | ||
1150 | if (base) | |
1151 | sector += base; | |
1152 | ||
1153 | hunk = sector / chd_img->sectors_per_hunk; | |
1154 | chd_img->sector_in_hunk = sector % chd_img->sectors_per_hunk; | |
1155 | ||
1156 | if (hunk != chd_img->current_hunk) | |
1157 | { | |
1158 | chd_read(chd_img->chd, hunk, chd_img->buffer); | |
1159 | chd_img->current_hunk = hunk; | |
1160 | } | |
1161 | ||
1162 | if (dest != cdbuffer) // copy avoid HACK | |
1163 | memcpy(dest, chd_img->buffer[chd_img->sector_in_hunk], | |
1164 | CD_FRAMESIZE_RAW); | |
1165 | return CD_FRAMESIZE_RAW; | |
1166 | } | |
1167 | #endif | |
1168 | ||
77160d47 | 1169 | static int cdread_2048(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1170 | { |
1171 | int ret; | |
1172 | ||
77160d47 | 1173 | fseek(f, base + sector * 2048, SEEK_SET); |
81abe4d5 | 1174 | ret = fread((char *)dest + 12 * 2, 1, 2048, f); |
9a92bffb | 1175 | |
1176 | // not really necessary, fake mode 2 header | |
81abe4d5 | 1177 | memset(cdbuffer, 0, 12 * 2); |
1178 | sec2msf(sector + 2 * 75, (char *)&cdbuffer[12]); | |
1179 | cdbuffer[12 + 3] = 1; | |
9a92bffb | 1180 | |
1181 | return ret; | |
1182 | } | |
1183 | ||
1184 | static unsigned char * CALLBACK ISOgetBuffer_compr(void) { | |
1185 | return compr_img->buff_raw[compr_img->sector_in_blk] + 12; | |
1186 | } | |
1187 | ||
00f0670c | 1188 | #ifdef HAVE_CHD |
1189 | static unsigned char *ISOgetBuffer_chd(void) { | |
1190 | return chd_img->buffer[chd_img->sector_in_hunk] + 12; | |
1191 | } | |
1192 | #endif | |
1193 | ||
9a92bffb | 1194 | static unsigned char * CALLBACK ISOgetBuffer(void) { |
81abe4d5 | 1195 | return cdbuffer + 12; |
9a92bffb | 1196 | } |
1197 | ||
ef79bbde P |
1198 | static void PrintTracks(void) { |
1199 | int i; | |
1200 | ||
1201 | for (i = 1; i <= numtracks; i++) { | |
1202 | SysPrintf(_("Track %.2d (%s) - Start %.2d:%.2d:%.2d, Length %.2d:%.2d:%.2d\n"), | |
1203 | i, (ti[i].type == DATA ? "DATA" : "AUDIO"), | |
1204 | ti[i].start[0], ti[i].start[1], ti[i].start[2], | |
1205 | ti[i].length[0], ti[i].length[1], ti[i].length[2]); | |
1206 | } | |
1207 | } | |
1208 | ||
1209 | // This function is invoked by the front-end when opening an ISO | |
1210 | // file for playback | |
1211 | static long CALLBACK ISOopen(void) { | |
9a92bffb | 1212 | boolean isMode1ISO = FALSE; |
689e0447 | 1213 | char alt_bin_filename[MAXPATHLEN]; |
1214 | const char *bin_filename; | |
9a92bffb | 1215 | |
ef79bbde P |
1216 | if (cdHandle != NULL) { |
1217 | return 0; // it's already open | |
1218 | } | |
1219 | ||
1220 | cdHandle = fopen(GetIsoFile(), "rb"); | |
1221 | if (cdHandle == NULL) { | |
2e058581 | 1222 | SysPrintf(_("Could't open '%s' for reading: %s\n"), |
1223 | GetIsoFile(), strerror(errno)); | |
ef79bbde P |
1224 | return -1; |
1225 | } | |
1226 | ||
1227 | SysPrintf(_("Loaded CD Image: %s"), GetIsoFile()); | |
1228 | ||
1229 | cddaBigEndian = FALSE; | |
1230 | subChanMixed = FALSE; | |
1231 | subChanRaw = FALSE; | |
8aa91443 | 1232 | pregapOffset = 0; |
0c2871a7 | 1233 | cdrIsoMultidiskCount = 1; |
deebc67f | 1234 | multifile = 0; |
ef79bbde | 1235 | |
9a92bffb | 1236 | CDR_getBuffer = ISOgetBuffer; |
1237 | cdimg_read_func = cdread_normal; | |
1238 | ||
92f43ab0 | 1239 | if (parsetoc(GetIsoFile()) == 0) { |
ef79bbde P |
1240 | SysPrintf("[+toc]"); |
1241 | } | |
1242 | else if (parseccd(GetIsoFile()) == 0) { | |
1243 | SysPrintf("[+ccd]"); | |
1244 | } | |
1245 | else if (parsemds(GetIsoFile()) == 0) { | |
1246 | SysPrintf("[+mds]"); | |
1247 | } | |
92f43ab0 | 1248 | else if (parsecue(GetIsoFile()) == 0) { |
1249 | SysPrintf("[+cue]"); | |
1250 | } | |
0877957a | 1251 | if (handlepbp(GetIsoFile()) == 0) { |
9a92bffb | 1252 | SysPrintf("[pbp]"); |
1253 | CDR_getBuffer = ISOgetBuffer_compr; | |
1254 | cdimg_read_func = cdread_compressed; | |
1255 | } | |
0877957a | 1256 | else if (handlecbin(GetIsoFile()) == 0) { |
1257 | SysPrintf("[cbin]"); | |
1258 | CDR_getBuffer = ISOgetBuffer_compr; | |
1259 | cdimg_read_func = cdread_compressed; | |
1260 | } | |
00f0670c | 1261 | |
1262 | #ifdef HAVE_CHD | |
1263 | else if (handlechd(GetIsoFile()) == 0) { | |
1264 | printf("[chd]"); | |
1265 | CDR_getBuffer = ISOgetBuffer_chd; | |
1266 | cdimg_read_func = cdread_chd; | |
1267 | } | |
1268 | #endif | |
ef79bbde P |
1269 | |
1270 | if (!subChanMixed && opensubfile(GetIsoFile()) == 0) { | |
1271 | SysPrintf("[+sub]"); | |
1272 | } | |
ae4e7dc9 | 1273 | if (opensbifile(GetIsoFile()) == 0) { |
1274 | SysPrintf("[+sbi]"); | |
1275 | } | |
ef79bbde | 1276 | |
cc376814 | 1277 | fseeko(cdHandle, 0, SEEK_END); |
c9e5423e | 1278 | |
1279 | // maybe user selected metadata file instead of main .bin .. | |
689e0447 | 1280 | bin_filename = GetIsoFile(); |
cc376814 | 1281 | if (ftello(cdHandle) < 2352 * 0x10) { |
c9e5423e | 1282 | static const char *exts[] = { ".bin", ".BIN", ".img", ".IMG" }; |
689e0447 | 1283 | FILE *tmpf = NULL; |
c9e5423e | 1284 | size_t i; |
689e0447 | 1285 | char *p; |
c9e5423e | 1286 | |
689e0447 | 1287 | strncpy(alt_bin_filename, bin_filename, sizeof(alt_bin_filename)); |
1288 | alt_bin_filename[MAXPATHLEN - 1] = '\0'; | |
1289 | if (strlen(alt_bin_filename) >= 4) { | |
1290 | p = alt_bin_filename + strlen(alt_bin_filename) - 4; | |
c9e5423e | 1291 | for (i = 0; i < sizeof(exts) / sizeof(exts[0]); i++) { |
1292 | strcpy(p, exts[i]); | |
689e0447 | 1293 | tmpf = fopen(alt_bin_filename, "rb"); |
1294 | if (tmpf != NULL) | |
c9e5423e | 1295 | break; |
c9e5423e | 1296 | } |
1297 | } | |
689e0447 | 1298 | if (tmpf != NULL) { |
1299 | bin_filename = alt_bin_filename; | |
1300 | fclose(cdHandle); | |
1301 | cdHandle = tmpf; | |
cc376814 | 1302 | fseeko(cdHandle, 0, SEEK_END); |
689e0447 | 1303 | } |
c9e5423e | 1304 | } |
1305 | ||
1306 | // guess whether it is mode1/2048 | |
cc376814 | 1307 | if (ftello(cdHandle) % 2048 == 0) { |
9a92bffb | 1308 | unsigned int modeTest = 0; |
1309 | fseek(cdHandle, 0, SEEK_SET); | |
1310 | fread(&modeTest, 4, 1, cdHandle); | |
1311 | if (SWAP32(modeTest) != 0xffffff00) { | |
1312 | SysPrintf("[2048]"); | |
1313 | isMode1ISO = TRUE; | |
1314 | } | |
1315 | } | |
1316 | fseek(cdHandle, 0, SEEK_SET); | |
1317 | ||
ef79bbde P |
1318 | SysPrintf(".\n"); |
1319 | ||
1320 | PrintTracks(); | |
1321 | ||
9a92bffb | 1322 | if (subChanMixed) |
1323 | cdimg_read_func = cdread_sub_mixed; | |
1324 | else if (isMode1ISO) | |
1325 | cdimg_read_func = cdread_2048; | |
1326 | ||
38b8102c | 1327 | // make sure we have another handle open for cdda |
1328 | if (numtracks > 1 && ti[1].handle == NULL) { | |
689e0447 | 1329 | ti[1].handle = fopen(bin_filename, "rb"); |
38b8102c | 1330 | } |
1331 | ||
ef79bbde P |
1332 | return 0; |
1333 | } | |
1334 | ||
1335 | static long CALLBACK ISOclose(void) { | |
38b8102c | 1336 | int i; |
1337 | ||
ef79bbde P |
1338 | if (cdHandle != NULL) { |
1339 | fclose(cdHandle); | |
1340 | cdHandle = NULL; | |
1341 | } | |
1342 | if (subHandle != NULL) { | |
1343 | fclose(subHandle); | |
1344 | subHandle = NULL; | |
1345 | } | |
1346 | stopCDDA(); | |
38b8102c | 1347 | cddaHandle = NULL; |
1348 | ||
9a92bffb | 1349 | if (compr_img != NULL) { |
1350 | free(compr_img->index_table); | |
1351 | free(compr_img); | |
1352 | compr_img = NULL; | |
1353 | } | |
00f0670c | 1354 | |
1355 | #ifdef HAVE_CHD | |
1356 | if (chd_img != NULL) { | |
1357 | chd_close(chd_img->chd); | |
1358 | free(chd_img->buffer); | |
1359 | free(chd_img); | |
1360 | chd_img = NULL; | |
1361 | } | |
1362 | #endif | |
9a92bffb | 1363 | |
38b8102c | 1364 | for (i = 1; i <= numtracks; i++) { |
1365 | if (ti[i].handle != NULL) { | |
1366 | fclose(ti[i].handle); | |
1367 | ti[i].handle = NULL; | |
1368 | } | |
1369 | } | |
1370 | numtracks = 0; | |
c0ee7ac6 | 1371 | ti[1].type = 0; |
ae4e7dc9 | 1372 | UnloadSBI(); |
38b8102c | 1373 | |
c0ee7ac6 | 1374 | memset(cdbuffer, 0, sizeof(cdbuffer)); |
1375 | CDR_getBuffer = ISOgetBuffer; | |
1376 | ||
38b8102c | 1377 | return 0; |
1378 | } | |
1379 | ||
1380 | static long CALLBACK ISOinit(void) { | |
1381 | assert(cdHandle == NULL); | |
1382 | assert(subHandle == NULL); | |
1383 | ||
1384 | return 0; // do nothing | |
1385 | } | |
1386 | ||
1387 | static long CALLBACK ISOshutdown(void) { | |
1388 | ISOclose(); | |
ef79bbde P |
1389 | return 0; |
1390 | } | |
1391 | ||
1392 | // return Starting and Ending Track | |
1393 | // buffer: | |
1394 | // byte 0 - start track | |
1395 | // byte 1 - end track | |
1396 | static long CALLBACK ISOgetTN(unsigned char *buffer) { | |
1397 | buffer[0] = 1; | |
1398 | ||
1399 | if (numtracks > 0) { | |
1400 | buffer[1] = numtracks; | |
1401 | } | |
1402 | else { | |
1403 | buffer[1] = 1; | |
1404 | } | |
1405 | ||
1406 | return 0; | |
1407 | } | |
1408 | ||
1409 | // return Track Time | |
1410 | // buffer: | |
1411 | // byte 0 - frame | |
1412 | // byte 1 - second | |
1413 | // byte 2 - minute | |
1414 | static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) { | |
858ad511 | 1415 | if (track == 0) { |
858ad511 | 1416 | unsigned int sect; |
1417 | unsigned char time[3]; | |
1418 | sect = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length); | |
ab948f7e | 1419 | sec2msf(sect, (char *)time); |
858ad511 | 1420 | buffer[2] = time[0]; |
1421 | buffer[1] = time[1]; | |
1422 | buffer[0] = time[2]; | |
1423 | } | |
1424 | else if (numtracks > 0 && track <= numtracks) { | |
ef79bbde P |
1425 | buffer[2] = ti[track].start[0]; |
1426 | buffer[1] = ti[track].start[1]; | |
1427 | buffer[0] = ti[track].start[2]; | |
1428 | } | |
1429 | else { | |
1430 | buffer[2] = 0; | |
1431 | buffer[1] = 2; | |
1432 | buffer[0] = 0; | |
1433 | } | |
1434 | ||
1435 | return 0; | |
1436 | } | |
1437 | ||
1438 | // decode 'raw' subchannel data ripped by cdrdao | |
1439 | static void DecodeRawSubData(void) { | |
1440 | unsigned char subQData[12]; | |
1441 | int i; | |
1442 | ||
1443 | memset(subQData, 0, sizeof(subQData)); | |
1444 | ||
1445 | for (i = 0; i < 8 * 12; i++) { | |
1446 | if (subbuffer[i] & (1 << 6)) { // only subchannel Q is needed | |
1447 | subQData[i >> 3] |= (1 << (7 - (i & 7))); | |
1448 | } | |
1449 | } | |
1450 | ||
1451 | memcpy(&subbuffer[12], subQData, 12); | |
1452 | } | |
1453 | ||
1454 | // read track | |
1455 | // time: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1456 | // uses bcd format | |
c9c7a925 | 1457 | static boolean CALLBACK ISOreadTrack(unsigned char *time) { |
19c03d80 | 1458 | int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])); |
c0ee7ac6 | 1459 | long ret; |
19c03d80 | 1460 | |
ef79bbde | 1461 | if (cdHandle == NULL) { |
c9c7a925 | 1462 | return 0; |
ef79bbde P |
1463 | } |
1464 | ||
8aa91443 | 1465 | if (pregapOffset) { |
1466 | subChanMissing = FALSE; | |
1467 | if (sector >= pregapOffset) { | |
1468 | sector -= 2 * 75; | |
1469 | if (sector < pregapOffset) | |
1470 | subChanMissing = TRUE; | |
1471 | } | |
1472 | } | |
1473 | ||
c0ee7ac6 | 1474 | ret = cdimg_read_func(cdHandle, 0, cdbuffer, sector); |
1475 | if (ret < 0) | |
c9c7a925 | 1476 | return 0; |
ef79bbde | 1477 | |
9a92bffb | 1478 | if (subHandle != NULL) { |
1479 | fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET); | |
1480 | fread(subbuffer, 1, SUB_FRAMESIZE, subHandle); | |
ef79bbde | 1481 | |
9a92bffb | 1482 | if (subChanRaw) DecodeRawSubData(); |
ef79bbde P |
1483 | } |
1484 | ||
c9c7a925 | 1485 | return 1; |
ef79bbde P |
1486 | } |
1487 | ||
ef79bbde P |
1488 | // plays cdda audio |
1489 | // sector: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1490 | // does NOT uses bcd format | |
1491 | static long CALLBACK ISOplay(unsigned char *time) { | |
f4627eb3 | 1492 | playing = TRUE; |
ef79bbde P |
1493 | return 0; |
1494 | } | |
1495 | ||
1496 | // stops cdda audio | |
1497 | static long CALLBACK ISOstop(void) { | |
1498 | stopCDDA(); | |
1499 | return 0; | |
1500 | } | |
1501 | ||
1502 | // gets subchannel data | |
1503 | static unsigned char* CALLBACK ISOgetBufferSub(void) { | |
8aa91443 | 1504 | if ((subHandle != NULL || subChanMixed) && !subChanMissing) { |
ef79bbde P |
1505 | return subbuffer; |
1506 | } | |
1507 | ||
1508 | return NULL; | |
1509 | } | |
1510 | ||
1511 | static long CALLBACK ISOgetStatus(struct CdrStat *stat) { | |
deebc67f | 1512 | u32 sect; |
1513 | ||
ef79bbde | 1514 | CDR__getStatus(stat); |
deebc67f | 1515 | |
ef79bbde P |
1516 | if (playing) { |
1517 | stat->Type = 0x02; | |
1518 | stat->Status |= 0x80; | |
ef79bbde P |
1519 | } |
1520 | else { | |
deebc67f | 1521 | // BIOS - boot ID (CD type) |
1522 | stat->Type = ti[1].type; | |
1523 | } | |
1524 | ||
1525 | // relative -> absolute time | |
1526 | sect = cddaCurPos; | |
1527 | sec2msf(sect, (char *)stat->Time); | |
1528 | ||
1529 | return 0; | |
1530 | } | |
1531 | ||
1532 | // read CDDA sector into buffer | |
1533 | long CALLBACK ISOreadCDDA(unsigned char m, unsigned char s, unsigned char f, unsigned char *buffer) { | |
1534 | unsigned char msf[3] = {m, s, f}; | |
1535 | unsigned int file, track, track_start = 0; | |
1536 | int ret; | |
1537 | ||
1538 | cddaCurPos = msf2sec((char *)msf); | |
1539 | ||
1540 | // find current track index | |
1541 | for (track = numtracks; ; track--) { | |
1542 | track_start = msf2sec(ti[track].start); | |
1543 | if (track_start <= cddaCurPos) | |
1544 | break; | |
1545 | if (track == 1) | |
1546 | break; | |
1547 | } | |
1548 | ||
1549 | // data tracks play silent | |
1550 | if (ti[track].type != CDDA) { | |
1551 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
1552 | return 0; | |
1553 | } | |
1554 | ||
1555 | file = 1; | |
1556 | if (multifile) { | |
1557 | // find the file that contains this track | |
1558 | for (file = track; file > 1; file--) | |
1559 | if (ti[file].handle != NULL) | |
1560 | break; | |
ef79bbde P |
1561 | } |
1562 | ||
deebc67f | 1563 | ret = cdimg_read_func(ti[file].handle, ti[track].start_offset, |
1564 | buffer, cddaCurPos - track_start); | |
1565 | if (ret != CD_FRAMESIZE_RAW) { | |
1566 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
1567 | return -1; | |
1568 | } | |
1569 | ||
1570 | if (cddaBigEndian) { | |
1571 | int i; | |
1572 | unsigned char tmp; | |
1573 | ||
1574 | for (i = 0; i < CD_FRAMESIZE_RAW / 2; i++) { | |
1575 | tmp = buffer[i * 2]; | |
1576 | buffer[i * 2] = buffer[i * 2 + 1]; | |
1577 | buffer[i * 2 + 1] = tmp; | |
1578 | } | |
1579 | } | |
858ad511 | 1580 | |
ef79bbde P |
1581 | return 0; |
1582 | } | |
1583 | ||
1584 | void cdrIsoInit(void) { | |
1585 | CDR_init = ISOinit; | |
1586 | CDR_shutdown = ISOshutdown; | |
1587 | CDR_open = ISOopen; | |
1588 | CDR_close = ISOclose; | |
1589 | CDR_getTN = ISOgetTN; | |
1590 | CDR_getTD = ISOgetTD; | |
1591 | CDR_readTrack = ISOreadTrack; | |
1592 | CDR_getBuffer = ISOgetBuffer; | |
1593 | CDR_play = ISOplay; | |
1594 | CDR_stop = ISOstop; | |
1595 | CDR_getBufferSub = ISOgetBufferSub; | |
1596 | CDR_getStatus = ISOgetStatus; | |
deebc67f | 1597 | CDR_readCDDA = ISOreadCDDA; |
ef79bbde P |
1598 | |
1599 | CDR_getDriveLetter = CDR__getDriveLetter; | |
1600 | CDR_configure = CDR__configure; | |
1601 | CDR_test = CDR__test; | |
1602 | CDR_about = CDR__about; | |
1603 | CDR_setfilename = CDR__setfilename; | |
1604 | ||
1605 | numtracks = 0; | |
1606 | } | |
1607 | ||
1608 | int cdrIsoActive(void) { | |
1609 | return (cdHandle != NULL); | |
1610 | } |