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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 | ||
64 | static unsigned char sndbuffer[CD_FRAMESIZE_RAW * 10]; | |
65 | ||
66 | #define CDDA_FRAMETIME (1000 * (sizeof(sndbuffer) / CD_FRAMESIZE_RAW) / 75) | |
67 | ||
ef79bbde | 68 | static unsigned int initial_offset = 0; |
38b8102c | 69 | static boolean playing = FALSE; |
ef79bbde | 70 | static boolean cddaBigEndian = FALSE; |
77160d47 | 71 | // cdda sectors in toc, byte offset in file |
9a92bffb | 72 | static unsigned int cdda_cur_sector; |
2058d51f | 73 | static unsigned int cdda_first_sector; |
77160d47 | 74 | static unsigned int cdda_file_offset; |
8aa91443 | 75 | /* Frame offset into CD image where pregap data would be found if it was there. |
76 | * If a game seeks there we must *not* return subchannel data since it's | |
77 | * not in the CD image, so that cdrom code can fake subchannel data instead. | |
78 | * XXX: there could be multiple pregaps but PSX dumps only have one? */ | |
79 | static unsigned int pregapOffset; | |
ef79bbde | 80 | |
deebc67f | 81 | #define cddaCurPos cdda_cur_sector |
82 | ||
9a92bffb | 83 | // compressed image stuff |
84 | static struct { | |
85 | unsigned char buff_raw[16][CD_FRAMESIZE_RAW]; | |
86 | unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100]; | |
cc376814 | 87 | off_t *index_table; |
9a92bffb | 88 | unsigned int index_len; |
0877957a | 89 | unsigned int block_shift; |
9a92bffb | 90 | unsigned int current_block; |
91 | unsigned int sector_in_blk; | |
92 | } *compr_img; | |
93 | ||
00f0670c | 94 | #ifdef HAVE_CHD |
95 | typedef struct { | |
96 | unsigned char (*buffer)[CD_FRAMESIZE_RAW + SUB_FRAMESIZE]; | |
97 | chd_file* chd; | |
98 | const chd_header* header; | |
99 | unsigned int sectors_per_hunk; | |
100 | unsigned int current_hunk; | |
101 | unsigned int sector_in_hunk; | |
102 | } CHD_IMG; | |
103 | ||
104 | static CHD_IMG *chd_img; | |
105 | #endif | |
106 | ||
77160d47 | 107 | int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector); |
9a92bffb | 108 | |
ef79bbde P |
109 | char* CALLBACK CDR__getDriveLetter(void); |
110 | long CALLBACK CDR__configure(void); | |
111 | long CALLBACK CDR__test(void); | |
112 | void CALLBACK CDR__about(void); | |
113 | long CALLBACK CDR__setfilename(char *filename); | |
114 | long CALLBACK CDR__getStatus(struct CdrStat *stat); | |
115 | ||
19c03d80 | 116 | static void DecodeRawSubData(void); |
117 | ||
ef79bbde | 118 | struct trackinfo { |
deebc67f | 119 | enum {DATA=1, CDDA} type; |
ef79bbde P |
120 | char start[3]; // MSF-format |
121 | char length[3]; // MSF-format | |
38b8102c | 122 | FILE *handle; // for multi-track images CDDA |
77160d47 | 123 | unsigned int start_offset; // byte offset from start of above file |
ef79bbde P |
124 | }; |
125 | ||
126 | #define MAXTRACKS 100 /* How many tracks can a CD hold? */ | |
127 | ||
128 | static int numtracks = 0; | |
129 | static struct trackinfo ti[MAXTRACKS]; | |
130 | ||
131 | // get a sector from a msf-array | |
132 | static unsigned int msf2sec(char *msf) { | |
133 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; | |
134 | } | |
135 | ||
136 | static void sec2msf(unsigned int s, char *msf) { | |
137 | msf[0] = s / 75 / 60; | |
138 | s = s - msf[0] * 75 * 60; | |
139 | msf[1] = s / 75; | |
140 | s = s - msf[1] * 75; | |
141 | msf[2] = s; | |
142 | } | |
143 | ||
144 | // divide a string of xx:yy:zz into m, s, f | |
145 | static void tok2msf(char *time, char *msf) { | |
146 | char *token; | |
147 | ||
148 | token = strtok(time, ":"); | |
149 | if (token) { | |
150 | msf[0] = atoi(token); | |
151 | } | |
152 | else { | |
153 | msf[0] = 0; | |
154 | } | |
155 | ||
156 | token = strtok(NULL, ":"); | |
157 | if (token) { | |
158 | msf[1] = atoi(token); | |
159 | } | |
160 | else { | |
161 | msf[1] = 0; | |
162 | } | |
163 | ||
164 | token = strtok(NULL, ":"); | |
165 | if (token) { | |
166 | msf[2] = atoi(token); | |
167 | } | |
168 | else { | |
169 | msf[2] = 0; | |
170 | } | |
171 | } | |
172 | ||
173 | #ifndef _WIN32 | |
174 | static long GetTickCount(void) { | |
175 | static time_t initial_time = 0; | |
176 | struct timeval now; | |
177 | ||
178 | gettimeofday(&now, NULL); | |
179 | ||
180 | if (initial_time == 0) { | |
181 | initial_time = now.tv_sec; | |
182 | } | |
183 | ||
184 | return (now.tv_sec - initial_time) * 1000L + now.tv_usec / 1000L; | |
185 | } | |
186 | #endif | |
187 | ||
ef79bbde P |
188 | // stop the CDDA playback |
189 | static void stopCDDA() { | |
ef79bbde | 190 | playing = FALSE; |
ef79bbde P |
191 | } |
192 | ||
193 | // this function tries to get the .toc file of the given .bin | |
194 | // the necessary data is put into the ti (trackinformation)-array | |
195 | static int parsetoc(const char *isofile) { | |
196 | char tocname[MAXPATHLEN]; | |
197 | FILE *fi; | |
e999be41 | 198 | char linebuf[256], tmp[256], name[256]; |
ef79bbde P |
199 | char *token; |
200 | char time[20], time2[20]; | |
e999be41 | 201 | unsigned int t, sector_offs, sector_size; |
202 | unsigned int current_zero_gap = 0; | |
ef79bbde P |
203 | |
204 | numtracks = 0; | |
205 | ||
206 | // copy name of the iso and change extension from .bin to .toc | |
207 | strncpy(tocname, isofile, sizeof(tocname)); | |
208 | tocname[MAXPATHLEN - 1] = '\0'; | |
209 | if (strlen(tocname) >= 4) { | |
210 | strcpy(tocname + strlen(tocname) - 4, ".toc"); | |
211 | } | |
212 | else { | |
213 | return -1; | |
214 | } | |
215 | ||
216 | if ((fi = fopen(tocname, "r")) == NULL) { | |
217 | // try changing extension to .cue (to satisfy some stupid tutorials) | |
218 | strcpy(tocname + strlen(tocname) - 4, ".cue"); | |
219 | if ((fi = fopen(tocname, "r")) == NULL) { | |
220 | // if filename is image.toc.bin, try removing .bin (for Brasero) | |
221 | strcpy(tocname, isofile); | |
222 | t = strlen(tocname); | |
223 | if (t >= 8 && strcmp(tocname + t - 8, ".toc.bin") == 0) { | |
224 | tocname[t - 4] = '\0'; | |
225 | if ((fi = fopen(tocname, "r")) == NULL) { | |
226 | return -1; | |
227 | } | |
228 | } | |
229 | else { | |
230 | return -1; | |
231 | } | |
232 | } | |
92f43ab0 | 233 | // check if it's really a TOC named as a .cue |
234 | fgets(linebuf, sizeof(linebuf), fi); | |
4295c491 | 235 | token = strtok(linebuf, " "); |
236 | if (token && strncmp(token, "CD", 2) != 0 && strcmp(token, "CATALOG") != 0) { | |
92f43ab0 | 237 | fclose(fi); |
238 | return -1; | |
239 | } | |
240 | fseek(fi, 0, SEEK_SET); | |
ef79bbde P |
241 | } |
242 | ||
243 | memset(&ti, 0, sizeof(ti)); | |
244 | cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio | |
245 | ||
e999be41 | 246 | sector_size = CD_FRAMESIZE_RAW; |
19c03d80 | 247 | sector_offs = 2 * 75; |
248 | ||
ef79bbde P |
249 | // parse the .toc file |
250 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
251 | // search for tracks | |
e999be41 | 252 | strncpy(tmp, linebuf, sizeof(linebuf)); |
253 | token = strtok(tmp, " "); | |
ef79bbde P |
254 | |
255 | if (token == NULL) continue; | |
256 | ||
257 | if (!strcmp(token, "TRACK")) { | |
e999be41 | 258 | sector_offs += current_zero_gap; |
259 | current_zero_gap = 0; | |
260 | ||
ef79bbde P |
261 | // get type of track |
262 | token = strtok(NULL, " "); | |
263 | numtracks++; | |
264 | ||
265 | if (!strncmp(token, "MODE2_RAW", 9)) { | |
266 | ti[numtracks].type = DATA; | |
267 | sec2msf(2 * 75, ti[numtracks].start); // assume data track on 0:2:0 | |
268 | ||
269 | // check if this image contains mixed subchannel data | |
270 | token = strtok(NULL, " "); | |
e999be41 | 271 | if (token != NULL && !strncmp(token, "RW", 2)) { |
272 | sector_size = CD_FRAMESIZE_RAW + SUB_FRAMESIZE; | |
ef79bbde | 273 | subChanMixed = TRUE; |
e999be41 | 274 | if (!strncmp(token, "RW_RAW", 6)) |
275 | subChanRaw = TRUE; | |
ef79bbde P |
276 | } |
277 | } | |
278 | else if (!strncmp(token, "AUDIO", 5)) { | |
279 | ti[numtracks].type = CDDA; | |
280 | } | |
281 | } | |
282 | else if (!strcmp(token, "DATAFILE")) { | |
283 | if (ti[numtracks].type == CDDA) { | |
284 | sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2); | |
19c03d80 | 285 | ti[numtracks].start_offset = t; |
e999be41 | 286 | t = t / sector_size + sector_offs; |
ef79bbde P |
287 | sec2msf(t, (char *)&ti[numtracks].start); |
288 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
289 | } | |
290 | else { | |
291 | sscanf(linebuf, "DATAFILE \"%[^\"]\" %8s", name, time); | |
292 | tok2msf((char *)&time, (char *)&ti[numtracks].length); | |
293 | } | |
294 | } | |
295 | else if (!strcmp(token, "FILE")) { | |
296 | sscanf(linebuf, "FILE \"%[^\"]\" #%d %8s %8s", name, &t, time, time2); | |
297 | tok2msf((char *)&time, (char *)&ti[numtracks].start); | |
e999be41 | 298 | t += msf2sec(ti[numtracks].start) * sector_size; |
19c03d80 | 299 | ti[numtracks].start_offset = t; |
e999be41 | 300 | t = t / sector_size + sector_offs; |
ef79bbde P |
301 | sec2msf(t, (char *)&ti[numtracks].start); |
302 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
303 | } | |
e999be41 | 304 | else if (!strcmp(token, "ZERO") || !strcmp(token, "SILENCE")) { |
305 | // skip unneeded optional fields | |
306 | while (token != NULL) { | |
307 | token = strtok(NULL, " "); | |
308 | if (strchr(token, ':') != NULL) | |
309 | break; | |
310 | } | |
311 | if (token != NULL) { | |
312 | tok2msf(token, tmp); | |
313 | current_zero_gap = msf2sec(tmp); | |
314 | } | |
8aa91443 | 315 | if (numtracks > 1) { |
316 | t = ti[numtracks - 1].start_offset; | |
e999be41 | 317 | t /= sector_size; |
8aa91443 | 318 | pregapOffset = t + msf2sec(ti[numtracks - 1].length); |
319 | } | |
19c03d80 | 320 | } |
e999be41 | 321 | else if (!strcmp(token, "START")) { |
322 | token = strtok(NULL, " "); | |
323 | if (token != NULL && strchr(token, ':')) { | |
324 | tok2msf(token, tmp); | |
325 | t = msf2sec(tmp); | |
326 | ti[numtracks].start_offset += (t - current_zero_gap) * sector_size; | |
327 | t = msf2sec(ti[numtracks].start) + t; | |
328 | sec2msf(t, (char *)&ti[numtracks].start); | |
329 | } | |
330 | } | |
ef79bbde P |
331 | } |
332 | ||
333 | fclose(fi); | |
334 | ||
335 | return 0; | |
336 | } | |
337 | ||
338 | // this function tries to get the .cue file of the given .bin | |
339 | // the necessary data is put into the ti (trackinformation)-array | |
340 | static int parsecue(const char *isofile) { | |
341 | char cuename[MAXPATHLEN]; | |
38b8102c | 342 | char filepath[MAXPATHLEN]; |
343 | char *incue_fname; | |
ef79bbde P |
344 | FILE *fi; |
345 | char *token; | |
346 | char time[20]; | |
347 | char *tmp; | |
19c03d80 | 348 | char linebuf[256], tmpb[256], dummy[256]; |
38b8102c | 349 | unsigned int incue_max_len; |
77160d47 | 350 | unsigned int t, file_len, mode, sector_offs; |
351 | unsigned int sector_size = 2352; | |
ef79bbde P |
352 | |
353 | numtracks = 0; | |
354 | ||
355 | // copy name of the iso and change extension from .bin to .cue | |
356 | strncpy(cuename, isofile, sizeof(cuename)); | |
357 | cuename[MAXPATHLEN - 1] = '\0'; | |
358 | if (strlen(cuename) >= 4) { | |
359 | strcpy(cuename + strlen(cuename) - 4, ".cue"); | |
360 | } | |
361 | else { | |
362 | return -1; | |
363 | } | |
364 | ||
365 | if ((fi = fopen(cuename, "r")) == NULL) { | |
366 | return -1; | |
367 | } | |
368 | ||
369 | // Some stupid tutorials wrongly tell users to use cdrdao to rip a | |
370 | // "bin/cue" image, which is in fact a "bin/toc" image. So let's check | |
371 | // that... | |
372 | if (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
373 | if (!strncmp(linebuf, "CD_ROM_XA", 9)) { | |
374 | // Don't proceed further, as this is actually a .toc file rather | |
375 | // than a .cue file. | |
376 | fclose(fi); | |
377 | return parsetoc(isofile); | |
378 | } | |
379 | fseek(fi, 0, SEEK_SET); | |
380 | } | |
381 | ||
38b8102c | 382 | // build a path for files referenced in .cue |
383 | strncpy(filepath, cuename, sizeof(filepath)); | |
22bbabf6 | 384 | tmp = strrchr(filepath, '/'); |
38b8102c | 385 | if (tmp == NULL) |
22bbabf6 | 386 | tmp = strrchr(filepath, '\\'); |
387 | if (tmp != NULL) | |
388 | tmp++; | |
389 | else | |
38b8102c | 390 | tmp = filepath; |
391 | *tmp = 0; | |
392 | filepath[sizeof(filepath) - 1] = 0; | |
393 | incue_fname = tmp; | |
394 | incue_max_len = sizeof(filepath) - (tmp - filepath) - 1; | |
395 | ||
ef79bbde P |
396 | memset(&ti, 0, sizeof(ti)); |
397 | ||
19c03d80 | 398 | file_len = 0; |
399 | sector_offs = 2 * 75; | |
400 | ||
ef79bbde P |
401 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { |
402 | strncpy(dummy, linebuf, sizeof(linebuf)); | |
403 | token = strtok(dummy, " "); | |
404 | ||
405 | if (token == NULL) { | |
406 | continue; | |
407 | } | |
408 | ||
19c03d80 | 409 | if (!strcmp(token, "TRACK")) { |
ef79bbde P |
410 | numtracks++; |
411 | ||
77160d47 | 412 | sector_size = 0; |
ef79bbde P |
413 | if (strstr(linebuf, "AUDIO") != NULL) { |
414 | ti[numtracks].type = CDDA; | |
77160d47 | 415 | sector_size = 2352; |
ef79bbde | 416 | } |
77160d47 | 417 | else if (sscanf(linebuf, " TRACK %u MODE%u/%u", &t, &mode, §or_size) == 3) |
ef79bbde | 418 | ti[numtracks].type = DATA; |
77160d47 | 419 | else { |
420 | SysPrintf(".cue: failed to parse TRACK\n"); | |
421 | ti[numtracks].type = numtracks == 1 ? DATA : CDDA; | |
ef79bbde | 422 | } |
77160d47 | 423 | if (sector_size == 0) |
424 | sector_size = 2352; | |
ef79bbde P |
425 | } |
426 | else if (!strcmp(token, "INDEX")) { | |
77160d47 | 427 | if (sscanf(linebuf, " INDEX %02d %8s", &t, time) != 2) |
428 | SysPrintf(".cue: failed to parse INDEX\n"); | |
19c03d80 | 429 | tok2msf(time, (char *)&ti[numtracks].start); |
ef79bbde | 430 | |
19c03d80 | 431 | t = msf2sec(ti[numtracks].start); |
77160d47 | 432 | ti[numtracks].start_offset = t * sector_size; |
19c03d80 | 433 | t += sector_offs; |
ef79bbde | 434 | sec2msf(t, ti[numtracks].start); |
19c03d80 | 435 | |
436 | // default track length to file length | |
77160d47 | 437 | t = file_len - ti[numtracks].start_offset / sector_size; |
19c03d80 | 438 | sec2msf(t, ti[numtracks].length); |
439 | ||
440 | if (numtracks > 1 && ti[numtracks].handle == NULL) { | |
441 | // this track uses the same file as the last, | |
442 | // start of this track is last track's end | |
443 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
444 | sec2msf(t, ti[numtracks - 1].length); | |
38b8102c | 445 | } |
8aa91443 | 446 | if (numtracks > 1 && pregapOffset == -1) |
77160d47 | 447 | pregapOffset = ti[numtracks].start_offset / sector_size; |
19c03d80 | 448 | } |
449 | else if (!strcmp(token, "PREGAP")) { | |
450 | if (sscanf(linebuf, " PREGAP %8s", time) == 1) { | |
451 | tok2msf(time, dummy); | |
452 | sector_offs += msf2sec(dummy); | |
38b8102c | 453 | } |
8aa91443 | 454 | pregapOffset = -1; // mark to fill track start_offset |
19c03d80 | 455 | } |
456 | else if (!strcmp(token, "FILE")) { | |
9a9bcd78 | 457 | t = sscanf(linebuf, " FILE \"%255[^\"]\"", tmpb); |
385c023b | 458 | if (t != 1) |
9a9bcd78 | 459 | sscanf(linebuf, " FILE %255s", tmpb); |
19c03d80 | 460 | |
461 | // absolute path? | |
462 | ti[numtracks + 1].handle = fopen(tmpb, "rb"); | |
463 | if (ti[numtracks + 1].handle == NULL) { | |
464 | // relative to .cue? | |
465 | tmp = strrchr(tmpb, '\\'); | |
466 | if (tmp == NULL) | |
467 | tmp = strrchr(tmpb, '/'); | |
38b8102c | 468 | if (tmp != NULL) |
19c03d80 | 469 | tmp++; |
470 | else | |
471 | tmp = tmpb; | |
472 | strncpy(incue_fname, tmp, incue_max_len); | |
473 | ti[numtracks + 1].handle = fopen(filepath, "rb"); | |
38b8102c | 474 | } |
ef79bbde | 475 | |
19c03d80 | 476 | // update global offset if this is not first file in this .cue |
deebc67f | 477 | if (numtracks + 1 > 1) { |
478 | multifile = 1; | |
19c03d80 | 479 | sector_offs += file_len; |
deebc67f | 480 | } |
19c03d80 | 481 | |
482 | file_len = 0; | |
38b8102c | 483 | if (ti[numtracks + 1].handle == NULL) { |
19c03d80 | 484 | SysPrintf(_("\ncould not open: %s\n"), filepath); |
485 | continue; | |
38b8102c | 486 | } |
19c03d80 | 487 | fseek(ti[numtracks + 1].handle, 0, SEEK_END); |
488 | file_len = ftell(ti[numtracks + 1].handle) / 2352; | |
489 | ||
490 | if (numtracks == 0 && strlen(isofile) >= 4 && | |
491 | strcmp(isofile + strlen(isofile) - 4, ".cue") == 0) | |
492 | { | |
38b8102c | 493 | // user selected .cue as image file, use it's data track instead |
494 | fclose(cdHandle); | |
495 | cdHandle = fopen(filepath, "rb"); | |
ef79bbde P |
496 | } |
497 | } | |
498 | } | |
499 | ||
500 | fclose(fi); | |
501 | ||
ef79bbde P |
502 | return 0; |
503 | } | |
504 | ||
505 | // this function tries to get the .ccd file of the given .img | |
506 | // the necessary data is put into the ti (trackinformation)-array | |
507 | static int parseccd(const char *isofile) { | |
508 | char ccdname[MAXPATHLEN]; | |
509 | FILE *fi; | |
510 | char linebuf[256]; | |
511 | unsigned int t; | |
512 | ||
513 | numtracks = 0; | |
514 | ||
515 | // copy name of the iso and change extension from .img to .ccd | |
516 | strncpy(ccdname, isofile, sizeof(ccdname)); | |
517 | ccdname[MAXPATHLEN - 1] = '\0'; | |
518 | if (strlen(ccdname) >= 4) { | |
519 | strcpy(ccdname + strlen(ccdname) - 4, ".ccd"); | |
520 | } | |
521 | else { | |
522 | return -1; | |
523 | } | |
524 | ||
525 | if ((fi = fopen(ccdname, "r")) == NULL) { | |
526 | return -1; | |
527 | } | |
528 | ||
529 | memset(&ti, 0, sizeof(ti)); | |
530 | ||
531 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
532 | if (!strncmp(linebuf, "[TRACK", 6)){ | |
533 | numtracks++; | |
534 | } | |
535 | else if (!strncmp(linebuf, "MODE=", 5)) { | |
536 | sscanf(linebuf, "MODE=%d", &t); | |
537 | ti[numtracks].type = ((t == 0) ? CDDA : DATA); | |
538 | } | |
539 | else if (!strncmp(linebuf, "INDEX 1=", 8)) { | |
540 | sscanf(linebuf, "INDEX 1=%d", &t); | |
541 | sec2msf(t + 2 * 75, ti[numtracks].start); | |
77160d47 | 542 | ti[numtracks].start_offset = t * 2352; |
ef79bbde P |
543 | |
544 | // If we've already seen another track, this is its end | |
545 | if (numtracks > 1) { | |
546 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
547 | sec2msf(t, ti[numtracks - 1].length); | |
548 | } | |
549 | } | |
550 | } | |
551 | ||
552 | fclose(fi); | |
553 | ||
554 | // Fill out the last track's end based on size | |
555 | if (numtracks >= 1) { | |
556 | fseek(cdHandle, 0, SEEK_END); | |
557 | t = ftell(cdHandle) / 2352 - msf2sec(ti[numtracks].start) + 2 * 75; | |
558 | sec2msf(t, ti[numtracks].length); | |
559 | } | |
560 | ||
561 | return 0; | |
562 | } | |
563 | ||
564 | // this function tries to get the .mds file of the given .mdf | |
565 | // the necessary data is put into the ti (trackinformation)-array | |
566 | static int parsemds(const char *isofile) { | |
567 | char mdsname[MAXPATHLEN]; | |
568 | FILE *fi; | |
569 | unsigned int offset, extra_offset, l, i; | |
570 | unsigned short s; | |
571 | ||
572 | numtracks = 0; | |
573 | ||
574 | // copy name of the iso and change extension from .mdf to .mds | |
575 | strncpy(mdsname, isofile, sizeof(mdsname)); | |
576 | mdsname[MAXPATHLEN - 1] = '\0'; | |
577 | if (strlen(mdsname) >= 4) { | |
578 | strcpy(mdsname + strlen(mdsname) - 4, ".mds"); | |
579 | } | |
580 | else { | |
581 | return -1; | |
582 | } | |
583 | ||
584 | if ((fi = fopen(mdsname, "rb")) == NULL) { | |
585 | return -1; | |
586 | } | |
587 | ||
588 | memset(&ti, 0, sizeof(ti)); | |
589 | ||
590 | // check if it's a valid mds file | |
591 | fread(&i, 1, sizeof(unsigned int), fi); | |
592 | i = SWAP32(i); | |
593 | if (i != 0x4944454D) { | |
594 | // not an valid mds file | |
595 | fclose(fi); | |
596 | return -1; | |
597 | } | |
598 | ||
599 | // get offset to session block | |
600 | fseek(fi, 0x50, SEEK_SET); | |
601 | fread(&offset, 1, sizeof(unsigned int), fi); | |
602 | offset = SWAP32(offset); | |
603 | ||
604 | // get total number of tracks | |
605 | offset += 14; | |
606 | fseek(fi, offset, SEEK_SET); | |
607 | fread(&s, 1, sizeof(unsigned short), fi); | |
608 | s = SWAP16(s); | |
609 | numtracks = s; | |
610 | ||
611 | // get offset to track blocks | |
612 | fseek(fi, 4, SEEK_CUR); | |
613 | fread(&offset, 1, sizeof(unsigned int), fi); | |
614 | offset = SWAP32(offset); | |
615 | ||
616 | // skip lead-in data | |
617 | while (1) { | |
618 | fseek(fi, offset + 4, SEEK_SET); | |
619 | if (fgetc(fi) < 0xA0) { | |
620 | break; | |
621 | } | |
622 | offset += 0x50; | |
623 | } | |
624 | ||
625 | // check if the image contains mixed subchannel data | |
626 | fseek(fi, offset + 1, SEEK_SET); | |
77160d47 | 627 | subChanMixed = subChanRaw = (fgetc(fi) ? TRUE : FALSE); |
ef79bbde P |
628 | |
629 | // read track data | |
630 | for (i = 1; i <= numtracks; i++) { | |
631 | fseek(fi, offset, SEEK_SET); | |
632 | ||
633 | // get the track type | |
634 | ti[i].type = ((fgetc(fi) == 0xA9) ? CDDA : DATA); | |
635 | fseek(fi, 8, SEEK_CUR); | |
636 | ||
637 | // get the track starting point | |
638 | ti[i].start[0] = fgetc(fi); | |
639 | ti[i].start[1] = fgetc(fi); | |
640 | ti[i].start[2] = fgetc(fi); | |
641 | ||
ef79bbde P |
642 | fread(&extra_offset, 1, sizeof(unsigned int), fi); |
643 | extra_offset = SWAP32(extra_offset); | |
644 | ||
19c03d80 | 645 | // get track start offset (in .mdf) |
646 | fseek(fi, offset + 0x28, SEEK_SET); | |
647 | fread(&l, 1, sizeof(unsigned int), fi); | |
648 | l = SWAP32(l); | |
77160d47 | 649 | ti[i].start_offset = l; |
19c03d80 | 650 | |
8aa91443 | 651 | // get pregap |
652 | fseek(fi, extra_offset, SEEK_SET); | |
653 | fread(&l, 1, sizeof(unsigned int), fi); | |
654 | l = SWAP32(l); | |
655 | if (l != 0 && i > 1) | |
77160d47 | 656 | pregapOffset = msf2sec(ti[i].start); |
8aa91443 | 657 | |
658 | // get the track length | |
659 | fread(&l, 1, sizeof(unsigned int), fi); | |
660 | l = SWAP32(l); | |
661 | sec2msf(l, ti[i].length); | |
662 | ||
ef79bbde P |
663 | offset += 0x50; |
664 | } | |
665 | ||
666 | fclose(fi); | |
667 | return 0; | |
668 | } | |
669 | ||
0877957a | 670 | static int handlepbp(const char *isofile) { |
9a92bffb | 671 | struct { |
672 | unsigned int sig; | |
673 | unsigned int dontcare[8]; | |
674 | unsigned int psar_offs; | |
675 | } pbp_hdr; | |
676 | struct { | |
677 | unsigned char type; | |
678 | unsigned char pad0; | |
679 | unsigned char track; | |
680 | char index0[3]; | |
681 | char pad1; | |
682 | char index1[3]; | |
683 | } toc_entry; | |
684 | struct { | |
685 | unsigned int offset; | |
686 | unsigned int size; | |
687 | unsigned int dontcare[6]; | |
688 | } index_entry; | |
0c2871a7 | 689 | char psar_sig[11]; |
cc376814 | 690 | off_t psisoimg_offs, cdimg_base; |
691 | unsigned int t, cd_length; | |
692 | unsigned int offsettab[8]; | |
9a92bffb | 693 | const char *ext = NULL; |
694 | int i, ret; | |
695 | ||
696 | if (strlen(isofile) >= 4) | |
697 | ext = isofile + strlen(isofile) - 4; | |
698 | if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0)) | |
699 | return -1; | |
700 | ||
cc376814 | 701 | fseeko(cdHandle, 0, SEEK_SET); |
9726a4af | 702 | |
9a92bffb | 703 | numtracks = 0; |
704 | ||
705 | ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle); | |
706 | if (ret != sizeof(pbp_hdr)) { | |
f29fbd53 | 707 | SysPrintf("failed to read pbp\n"); |
9a92bffb | 708 | goto fail_io; |
709 | } | |
710 | ||
cc376814 | 711 | ret = fseeko(cdHandle, pbp_hdr.psar_offs, SEEK_SET); |
9a92bffb | 712 | if (ret != 0) { |
f29fbd53 | 713 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs); |
9a92bffb | 714 | goto fail_io; |
715 | } | |
716 | ||
0c2871a7 | 717 | psisoimg_offs = pbp_hdr.psar_offs; |
9a92bffb | 718 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); |
0c2871a7 | 719 | psar_sig[10] = 0; |
720 | if (strcmp(psar_sig, "PSTITLEIMG") == 0) { | |
721 | // multidisk image? | |
cc376814 | 722 | ret = fseeko(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET); |
0c2871a7 | 723 | if (ret != 0) { |
f29fbd53 | 724 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs + 0x200); |
0c2871a7 | 725 | goto fail_io; |
726 | } | |
727 | ||
728 | if (fread(&offsettab, 1, sizeof(offsettab), cdHandle) != sizeof(offsettab)) { | |
f29fbd53 | 729 | SysPrintf("failed to read offsettab\n"); |
0c2871a7 | 730 | goto fail_io; |
731 | } | |
732 | ||
733 | for (i = 0; i < sizeof(offsettab) / sizeof(offsettab[0]); i++) { | |
734 | if (offsettab[i] == 0) | |
735 | break; | |
736 | } | |
737 | cdrIsoMultidiskCount = i; | |
738 | if (cdrIsoMultidiskCount == 0) { | |
f29fbd53 | 739 | SysPrintf("multidisk eboot has 0 images?\n"); |
0c2871a7 | 740 | goto fail_io; |
741 | } | |
742 | ||
743 | if (cdrIsoMultidiskSelect >= cdrIsoMultidiskCount) | |
744 | cdrIsoMultidiskSelect = 0; | |
745 | ||
746 | psisoimg_offs += offsettab[cdrIsoMultidiskSelect]; | |
747 | ||
cc376814 | 748 | ret = fseeko(cdHandle, psisoimg_offs, SEEK_SET); |
0c2871a7 | 749 | if (ret != 0) { |
cc376814 | 750 | SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs); |
0c2871a7 | 751 | goto fail_io; |
752 | } | |
753 | ||
754 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); | |
755 | psar_sig[10] = 0; | |
756 | } | |
757 | ||
758 | if (strcmp(psar_sig, "PSISOIMG00") != 0) { | |
f29fbd53 | 759 | SysPrintf("bad psar_sig: %s\n", psar_sig); |
9a92bffb | 760 | goto fail_io; |
761 | } | |
762 | ||
763 | // seek to TOC | |
cc376814 | 764 | ret = fseeko(cdHandle, psisoimg_offs + 0x800, SEEK_SET); |
9a92bffb | 765 | if (ret != 0) { |
cc376814 | 766 | SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs + 0x800); |
9a92bffb | 767 | goto fail_io; |
768 | } | |
769 | ||
770 | // first 3 entries are special | |
771 | fseek(cdHandle, sizeof(toc_entry), SEEK_CUR); | |
772 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
773 | numtracks = btoi(toc_entry.index1[0]); | |
774 | ||
775 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
776 | cd_length = btoi(toc_entry.index1[0]) * 60 * 75 + | |
777 | btoi(toc_entry.index1[1]) * 75 + btoi(toc_entry.index1[2]); | |
778 | ||
779 | for (i = 1; i <= numtracks; i++) { | |
780 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
781 | ||
782 | ti[i].type = (toc_entry.type == 1) ? CDDA : DATA; | |
783 | ||
784 | ti[i].start_offset = btoi(toc_entry.index0[0]) * 60 * 75 + | |
785 | btoi(toc_entry.index0[1]) * 75 + btoi(toc_entry.index0[2]); | |
77160d47 | 786 | ti[i].start_offset *= 2352; |
9a92bffb | 787 | ti[i].start[0] = btoi(toc_entry.index1[0]); |
788 | ti[i].start[1] = btoi(toc_entry.index1[1]); | |
789 | ti[i].start[2] = btoi(toc_entry.index1[2]); | |
790 | ||
791 | if (i > 1) { | |
792 | t = msf2sec(ti[i].start) - msf2sec(ti[i - 1].start); | |
793 | sec2msf(t, ti[i - 1].length); | |
794 | } | |
795 | } | |
77160d47 | 796 | t = cd_length - ti[numtracks].start_offset / 2352; |
9a92bffb | 797 | sec2msf(t, ti[numtracks].length); |
798 | ||
799 | // seek to ISO index | |
cc376814 | 800 | ret = fseeko(cdHandle, psisoimg_offs + 0x4000, SEEK_SET); |
9a92bffb | 801 | if (ret != 0) { |
f29fbd53 | 802 | SysPrintf("failed to seek to ISO index\n"); |
9a92bffb | 803 | goto fail_io; |
804 | } | |
805 | ||
806 | compr_img = calloc(1, sizeof(*compr_img)); | |
807 | if (compr_img == NULL) | |
808 | goto fail_io; | |
809 | ||
0877957a | 810 | compr_img->block_shift = 4; |
9a92bffb | 811 | compr_img->current_block = (unsigned int)-1; |
812 | ||
813 | compr_img->index_len = (0x100000 - 0x4000) / sizeof(index_entry); | |
814 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
815 | if (compr_img->index_table == NULL) | |
816 | goto fail_io; | |
817 | ||
0c2871a7 | 818 | cdimg_base = psisoimg_offs + 0x100000; |
9a92bffb | 819 | for (i = 0; i < compr_img->index_len; i++) { |
820 | ret = fread(&index_entry, 1, sizeof(index_entry), cdHandle); | |
821 | if (ret != sizeof(index_entry)) { | |
f29fbd53 | 822 | SysPrintf("failed to read index_entry #%d\n", i); |
9a92bffb | 823 | goto fail_index; |
824 | } | |
825 | ||
826 | if (index_entry.size == 0) | |
827 | break; | |
828 | ||
829 | compr_img->index_table[i] = cdimg_base + index_entry.offset; | |
830 | } | |
831 | compr_img->index_table[i] = cdimg_base + index_entry.offset + index_entry.size; | |
832 | ||
833 | return 0; | |
834 | ||
835 | fail_index: | |
836 | free(compr_img->index_table); | |
837 | compr_img->index_table = NULL; | |
838 | fail_io: | |
0877957a | 839 | if (compr_img != NULL) { |
840 | free(compr_img); | |
841 | compr_img = NULL; | |
842 | } | |
843 | return -1; | |
844 | } | |
845 | ||
846 | static int handlecbin(const char *isofile) { | |
847 | struct | |
848 | { | |
849 | char magic[4]; | |
850 | unsigned int header_size; | |
851 | unsigned long long total_bytes; | |
852 | unsigned int block_size; | |
853 | unsigned char ver; // 1 | |
854 | unsigned char align; | |
855 | unsigned char rsv_06[2]; | |
856 | } ciso_hdr; | |
857 | const char *ext = NULL; | |
cc376814 | 858 | unsigned int *index_table = NULL; |
0c2871a7 | 859 | unsigned int index = 0, plain; |
0877957a | 860 | int i, ret; |
861 | ||
862 | if (strlen(isofile) >= 5) | |
863 | ext = isofile + strlen(isofile) - 5; | |
864 | if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0)) | |
865 | return -1; | |
866 | ||
9726a4af | 867 | fseek(cdHandle, 0, SEEK_SET); |
868 | ||
0877957a | 869 | ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle); |
870 | if (ret != sizeof(ciso_hdr)) { | |
f29fbd53 | 871 | SysPrintf("failed to read ciso header\n"); |
0877957a | 872 | return -1; |
873 | } | |
874 | ||
875 | if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) { | |
f29fbd53 | 876 | SysPrintf("bad ciso header\n"); |
0877957a | 877 | return -1; |
878 | } | |
879 | if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) { | |
cc376814 | 880 | ret = fseeko(cdHandle, ciso_hdr.header_size, SEEK_SET); |
0877957a | 881 | if (ret != 0) { |
f29fbd53 | 882 | SysPrintf("failed to seek to %x\n", ciso_hdr.header_size); |
0877957a | 883 | return -1; |
884 | } | |
885 | } | |
886 | ||
887 | compr_img = calloc(1, sizeof(*compr_img)); | |
888 | if (compr_img == NULL) | |
889 | goto fail_io; | |
890 | ||
891 | compr_img->block_shift = 0; | |
892 | compr_img->current_block = (unsigned int)-1; | |
893 | ||
894 | compr_img->index_len = ciso_hdr.total_bytes / ciso_hdr.block_size; | |
cc376814 | 895 | index_table = malloc((compr_img->index_len + 1) * sizeof(index_table[0])); |
896 | if (index_table == NULL) | |
0877957a | 897 | goto fail_io; |
898 | ||
cc376814 | 899 | ret = fread(index_table, sizeof(index_table[0]), compr_img->index_len, cdHandle); |
0877957a | 900 | if (ret != compr_img->index_len) { |
f29fbd53 | 901 | SysPrintf("failed to read index table\n"); |
0877957a | 902 | goto fail_index; |
903 | } | |
904 | ||
cc376814 | 905 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); |
906 | if (compr_img->index_table == NULL) | |
907 | goto fail_index; | |
908 | ||
0877957a | 909 | for (i = 0; i < compr_img->index_len + 1; i++) { |
cc376814 | 910 | index = index_table[i]; |
0877957a | 911 | plain = index & 0x80000000; |
912 | index &= 0x7fffffff; | |
cc376814 | 913 | compr_img->index_table[i] = (off_t)index << ciso_hdr.align; |
914 | if (plain) | |
915 | compr_img->index_table[i] |= OFF_T_MSB; | |
0877957a | 916 | } |
0877957a | 917 | |
918 | return 0; | |
919 | ||
920 | fail_index: | |
cc376814 | 921 | free(index_table); |
0877957a | 922 | fail_io: |
923 | if (compr_img != NULL) { | |
924 | free(compr_img); | |
925 | compr_img = NULL; | |
926 | } | |
9a92bffb | 927 | return -1; |
928 | } | |
929 | ||
00f0670c | 930 | #ifdef HAVE_CHD |
931 | static int handlechd(const char *isofile) { | |
932 | int frame_offset = 0; | |
933 | int file_offset = 0; | |
934 | ||
935 | chd_img = (CHD_IMG *)calloc(1, sizeof(*chd_img)); | |
936 | if (chd_img == NULL) | |
937 | goto fail_io; | |
938 | ||
939 | if(chd_open(isofile, CHD_OPEN_READ, NULL, &chd_img->chd) != CHDERR_NONE) | |
940 | goto fail_io; | |
941 | ||
942 | chd_img->header = chd_get_header(chd_img->chd); | |
943 | ||
944 | chd_img->buffer = (unsigned char (*)[CD_FRAMESIZE_RAW + SUB_FRAMESIZE])malloc(chd_img->header->hunkbytes); | |
945 | if (chd_img->buffer == NULL) | |
946 | goto fail_io; | |
947 | ||
948 | chd_img->sectors_per_hunk = chd_img->header->hunkbytes / (CD_FRAMESIZE_RAW + SUB_FRAMESIZE); | |
949 | chd_img->current_hunk = (unsigned int)-1; | |
950 | ||
951 | cddaBigEndian = TRUE; | |
952 | ||
953 | numtracks = 0; | |
954 | memset(ti, 0, sizeof(ti)); | |
955 | ||
956 | while (1) | |
957 | { | |
958 | struct { | |
959 | char type[64]; | |
960 | char subtype[32]; | |
961 | char pgtype[32]; | |
962 | char pgsub[32]; | |
963 | uint32_t track; | |
964 | uint32_t frames; | |
965 | uint32_t pregap; | |
966 | uint32_t postgap; | |
967 | } md = {}; | |
968 | char meta[256]; | |
969 | uint32_t meta_size = 0; | |
970 | ||
971 | if (chd_get_metadata(chd_img->chd, CDROM_TRACK_METADATA2_TAG, numtracks, meta, sizeof(meta), &meta_size, NULL, NULL) == CHDERR_NONE) | |
972 | sscanf(meta, CDROM_TRACK_METADATA2_FORMAT, &md.track, md.type, md.subtype, &md.frames, &md.pregap, md.pgtype, md.pgsub, &md.postgap); | |
973 | else if (chd_get_metadata(chd_img->chd, CDROM_TRACK_METADATA_TAG, numtracks, meta, sizeof(meta), &meta_size, NULL, NULL) == CHDERR_NONE) | |
974 | sscanf(meta, CDROM_TRACK_METADATA_FORMAT, &md.track, md.type, md.subtype, &md.frames); | |
975 | else | |
976 | break; | |
977 | ||
978 | if(md.track == 1) | |
979 | md.pregap = 150; | |
980 | else | |
981 | sec2msf(msf2sec(ti[md.track-1].length) + md.pregap, ti[md.track-1].length); | |
982 | ||
983 | ti[md.track].type = !strncmp(md.type, "AUDIO", 5) ? CDDA : DATA; | |
984 | ||
985 | sec2msf(frame_offset + md.pregap, ti[md.track].start); | |
986 | sec2msf(md.frames, ti[md.track].length); | |
987 | ||
988 | ti[md.track].start_offset = file_offset; | |
989 | ||
990 | frame_offset += md.pregap + md.frames + md.postgap; | |
991 | file_offset += md.frames + md.postgap; | |
992 | numtracks++; | |
993 | } | |
994 | ||
995 | if (numtracks) | |
996 | return 0; | |
997 | ||
998 | fail_io: | |
999 | if (chd_img != NULL) { | |
1000 | free(chd_img->buffer); | |
1001 | free(chd_img); | |
1002 | chd_img = NULL; | |
1003 | } | |
1004 | return -1; | |
1005 | } | |
1006 | #endif | |
1007 | ||
ef79bbde P |
1008 | // this function tries to get the .sub file of the given .img |
1009 | static int opensubfile(const char *isoname) { | |
1010 | char subname[MAXPATHLEN]; | |
1011 | ||
1012 | // copy name of the iso and change extension from .img to .sub | |
1013 | strncpy(subname, isoname, sizeof(subname)); | |
1014 | subname[MAXPATHLEN - 1] = '\0'; | |
1015 | if (strlen(subname) >= 4) { | |
1016 | strcpy(subname + strlen(subname) - 4, ".sub"); | |
1017 | } | |
1018 | else { | |
1019 | return -1; | |
1020 | } | |
1021 | ||
1022 | subHandle = fopen(subname, "rb"); | |
1023 | if (subHandle == NULL) { | |
1024 | return -1; | |
1025 | } | |
1026 | ||
1027 | return 0; | |
1028 | } | |
1029 | ||
ae4e7dc9 | 1030 | static int opensbifile(const char *isoname) { |
1031 | char sbiname[MAXPATHLEN]; | |
1032 | int s; | |
1033 | ||
1034 | strncpy(sbiname, isoname, sizeof(sbiname)); | |
1035 | sbiname[MAXPATHLEN - 1] = '\0'; | |
1036 | if (strlen(sbiname) >= 4) { | |
1037 | strcpy(sbiname + strlen(sbiname) - 4, ".sbi"); | |
1038 | } | |
1039 | else { | |
1040 | return -1; | |
1041 | } | |
1042 | ||
1043 | fseek(cdHandle, 0, SEEK_END); | |
1044 | s = ftell(cdHandle) / 2352; | |
1045 | ||
1046 | return LoadSBI(sbiname, s); | |
1047 | } | |
1048 | ||
77160d47 | 1049 | static int cdread_normal(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1050 | { |
77160d47 | 1051 | fseek(f, base + sector * CD_FRAMESIZE_RAW, SEEK_SET); |
81abe4d5 | 1052 | return fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1053 | } |
1054 | ||
77160d47 | 1055 | static int cdread_sub_mixed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1056 | { |
1057 | int ret; | |
1058 | ||
77160d47 | 1059 | fseek(f, base + sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET); |
81abe4d5 | 1060 | ret = fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1061 | fread(subbuffer, 1, SUB_FRAMESIZE, f); |
1062 | ||
1063 | if (subChanRaw) DecodeRawSubData(); | |
1064 | ||
1065 | return ret; | |
1066 | } | |
1067 | ||
2dd6a826 | 1068 | static int uncompress2_pcsx(void *out, unsigned long *out_size, void *in, unsigned long in_size) |
9a92bffb | 1069 | { |
1070 | static z_stream z; | |
1071 | int ret = 0; | |
1072 | ||
1073 | if (z.zalloc == NULL) { | |
1074 | // XXX: one-time leak here.. | |
1075 | z.next_in = Z_NULL; | |
1076 | z.avail_in = 0; | |
1077 | z.zalloc = Z_NULL; | |
1078 | z.zfree = Z_NULL; | |
1079 | z.opaque = Z_NULL; | |
1080 | ret = inflateInit2(&z, -15); | |
1081 | } | |
1082 | else | |
1083 | ret = inflateReset(&z); | |
1084 | if (ret != Z_OK) | |
1085 | return ret; | |
1086 | ||
1087 | z.next_in = in; | |
1088 | z.avail_in = in_size; | |
1089 | z.next_out = out; | |
1090 | z.avail_out = *out_size; | |
1091 | ||
1092 | ret = inflate(&z, Z_NO_FLUSH); | |
1093 | //inflateEnd(&z); | |
1094 | ||
1095 | *out_size -= z.avail_out; | |
1096 | return ret == 1 ? 0 : ret; | |
1097 | } | |
1098 | ||
77160d47 | 1099 | static int cdread_compressed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1100 | { |
0877957a | 1101 | unsigned long cdbuffer_size, cdbuffer_size_expect; |
cc376814 | 1102 | unsigned int size; |
0877957a | 1103 | int is_compressed; |
cc376814 | 1104 | off_t start_byte; |
9a92bffb | 1105 | int ret, block; |
1106 | ||
77160d47 | 1107 | if (base) |
1108 | sector += base / 2352; | |
1109 | ||
0877957a | 1110 | block = sector >> compr_img->block_shift; |
1111 | compr_img->sector_in_blk = sector & ((1 << compr_img->block_shift) - 1); | |
9a92bffb | 1112 | |
1113 | if (block == compr_img->current_block) { | |
1114 | //printf("hit sect %d\n", sector); | |
1115 | goto finish; | |
1116 | } | |
1117 | ||
1118 | if (sector >= compr_img->index_len * 16) { | |
f29fbd53 | 1119 | SysPrintf("sector %d is past img end\n", sector); |
9a92bffb | 1120 | return -1; |
1121 | } | |
1122 | ||
cc376814 | 1123 | start_byte = compr_img->index_table[block] & ~OFF_T_MSB; |
1124 | if (fseeko(cdHandle, start_byte, SEEK_SET) != 0) { | |
1125 | SysPrintf("seek error for block %d at %llx: ", | |
1126 | block, (long long)start_byte); | |
9a92bffb | 1127 | perror(NULL); |
1128 | return -1; | |
1129 | } | |
1130 | ||
cc376814 | 1131 | is_compressed = !(compr_img->index_table[block] & OFF_T_MSB); |
1132 | size = (compr_img->index_table[block + 1] & ~OFF_T_MSB) - start_byte; | |
9a92bffb | 1133 | if (size > sizeof(compr_img->buff_compressed)) { |
f29fbd53 | 1134 | SysPrintf("block %d is too large: %u\n", block, size); |
9a92bffb | 1135 | return -1; |
1136 | } | |
1137 | ||
0877957a | 1138 | if (fread(is_compressed ? compr_img->buff_compressed : compr_img->buff_raw[0], |
1139 | 1, size, cdHandle) != size) { | |
f29fbd53 | 1140 | SysPrintf("read error for block %d at %x: ", block, start_byte); |
9a92bffb | 1141 | perror(NULL); |
1142 | return -1; | |
1143 | } | |
1144 | ||
0877957a | 1145 | if (is_compressed) { |
1146 | cdbuffer_size_expect = sizeof(compr_img->buff_raw[0]) << compr_img->block_shift; | |
1147 | cdbuffer_size = cdbuffer_size_expect; | |
2dd6a826 | 1148 | ret = uncompress2_pcsx(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size); |
0877957a | 1149 | if (ret != 0) { |
f29fbd53 | 1150 | SysPrintf("uncompress failed with %d for block %d, sector %d\n", |
0877957a | 1151 | ret, block, sector); |
1152 | return -1; | |
1153 | } | |
1154 | if (cdbuffer_size != cdbuffer_size_expect) | |
f29fbd53 | 1155 | SysPrintf("cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size, |
0877957a | 1156 | cdbuffer_size_expect, sector); |
9a92bffb | 1157 | } |
9a92bffb | 1158 | |
1159 | // done at last! | |
1160 | compr_img->current_block = block; | |
1161 | ||
1162 | finish: | |
1163 | if (dest != cdbuffer) // copy avoid HACK | |
81abe4d5 | 1164 | memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk], |
1165 | CD_FRAMESIZE_RAW); | |
1166 | return CD_FRAMESIZE_RAW; | |
9a92bffb | 1167 | } |
1168 | ||
00f0670c | 1169 | #ifdef HAVE_CHD |
1170 | static int cdread_chd(FILE *f, unsigned int base, void *dest, int sector) | |
1171 | { | |
1172 | int hunk; | |
1173 | ||
1174 | if (base) | |
1175 | sector += base; | |
1176 | ||
1177 | hunk = sector / chd_img->sectors_per_hunk; | |
1178 | chd_img->sector_in_hunk = sector % chd_img->sectors_per_hunk; | |
1179 | ||
1180 | if (hunk != chd_img->current_hunk) | |
1181 | { | |
1182 | chd_read(chd_img->chd, hunk, chd_img->buffer); | |
1183 | chd_img->current_hunk = hunk; | |
1184 | } | |
1185 | ||
1186 | if (dest != cdbuffer) // copy avoid HACK | |
1187 | memcpy(dest, chd_img->buffer[chd_img->sector_in_hunk], | |
1188 | CD_FRAMESIZE_RAW); | |
1189 | return CD_FRAMESIZE_RAW; | |
1190 | } | |
1191 | #endif | |
1192 | ||
77160d47 | 1193 | static int cdread_2048(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1194 | { |
1195 | int ret; | |
1196 | ||
77160d47 | 1197 | fseek(f, base + sector * 2048, SEEK_SET); |
81abe4d5 | 1198 | ret = fread((char *)dest + 12 * 2, 1, 2048, f); |
9a92bffb | 1199 | |
1200 | // not really necessary, fake mode 2 header | |
81abe4d5 | 1201 | memset(cdbuffer, 0, 12 * 2); |
1202 | sec2msf(sector + 2 * 75, (char *)&cdbuffer[12]); | |
1203 | cdbuffer[12 + 3] = 1; | |
9a92bffb | 1204 | |
1205 | return ret; | |
1206 | } | |
1207 | ||
1208 | static unsigned char * CALLBACK ISOgetBuffer_compr(void) { | |
1209 | return compr_img->buff_raw[compr_img->sector_in_blk] + 12; | |
1210 | } | |
1211 | ||
00f0670c | 1212 | #ifdef HAVE_CHD |
1213 | static unsigned char *ISOgetBuffer_chd(void) { | |
1214 | return chd_img->buffer[chd_img->sector_in_hunk] + 12; | |
1215 | } | |
1216 | #endif | |
1217 | ||
9a92bffb | 1218 | static unsigned char * CALLBACK ISOgetBuffer(void) { |
81abe4d5 | 1219 | return cdbuffer + 12; |
9a92bffb | 1220 | } |
1221 | ||
ef79bbde P |
1222 | static void PrintTracks(void) { |
1223 | int i; | |
1224 | ||
1225 | for (i = 1; i <= numtracks; i++) { | |
1226 | SysPrintf(_("Track %.2d (%s) - Start %.2d:%.2d:%.2d, Length %.2d:%.2d:%.2d\n"), | |
1227 | i, (ti[i].type == DATA ? "DATA" : "AUDIO"), | |
1228 | ti[i].start[0], ti[i].start[1], ti[i].start[2], | |
1229 | ti[i].length[0], ti[i].length[1], ti[i].length[2]); | |
1230 | } | |
1231 | } | |
1232 | ||
1233 | // This function is invoked by the front-end when opening an ISO | |
1234 | // file for playback | |
1235 | static long CALLBACK ISOopen(void) { | |
9a92bffb | 1236 | boolean isMode1ISO = FALSE; |
689e0447 | 1237 | char alt_bin_filename[MAXPATHLEN]; |
1238 | const char *bin_filename; | |
9a92bffb | 1239 | |
ef79bbde P |
1240 | if (cdHandle != NULL) { |
1241 | return 0; // it's already open | |
1242 | } | |
1243 | ||
1244 | cdHandle = fopen(GetIsoFile(), "rb"); | |
1245 | if (cdHandle == NULL) { | |
2e058581 | 1246 | SysPrintf(_("Could't open '%s' for reading: %s\n"), |
1247 | GetIsoFile(), strerror(errno)); | |
ef79bbde P |
1248 | return -1; |
1249 | } | |
1250 | ||
1251 | SysPrintf(_("Loaded CD Image: %s"), GetIsoFile()); | |
1252 | ||
1253 | cddaBigEndian = FALSE; | |
1254 | subChanMixed = FALSE; | |
1255 | subChanRaw = FALSE; | |
8aa91443 | 1256 | pregapOffset = 0; |
0c2871a7 | 1257 | cdrIsoMultidiskCount = 1; |
deebc67f | 1258 | multifile = 0; |
ef79bbde | 1259 | |
9a92bffb | 1260 | CDR_getBuffer = ISOgetBuffer; |
1261 | cdimg_read_func = cdread_normal; | |
1262 | ||
92f43ab0 | 1263 | if (parsetoc(GetIsoFile()) == 0) { |
ef79bbde P |
1264 | SysPrintf("[+toc]"); |
1265 | } | |
1266 | else if (parseccd(GetIsoFile()) == 0) { | |
1267 | SysPrintf("[+ccd]"); | |
1268 | } | |
1269 | else if (parsemds(GetIsoFile()) == 0) { | |
1270 | SysPrintf("[+mds]"); | |
1271 | } | |
92f43ab0 | 1272 | else if (parsecue(GetIsoFile()) == 0) { |
1273 | SysPrintf("[+cue]"); | |
1274 | } | |
0877957a | 1275 | if (handlepbp(GetIsoFile()) == 0) { |
9a92bffb | 1276 | SysPrintf("[pbp]"); |
1277 | CDR_getBuffer = ISOgetBuffer_compr; | |
1278 | cdimg_read_func = cdread_compressed; | |
1279 | } | |
0877957a | 1280 | else if (handlecbin(GetIsoFile()) == 0) { |
1281 | SysPrintf("[cbin]"); | |
1282 | CDR_getBuffer = ISOgetBuffer_compr; | |
1283 | cdimg_read_func = cdread_compressed; | |
1284 | } | |
00f0670c | 1285 | |
1286 | #ifdef HAVE_CHD | |
1287 | else if (handlechd(GetIsoFile()) == 0) { | |
1288 | printf("[chd]"); | |
1289 | CDR_getBuffer = ISOgetBuffer_chd; | |
1290 | cdimg_read_func = cdread_chd; | |
1291 | } | |
1292 | #endif | |
ef79bbde P |
1293 | |
1294 | if (!subChanMixed && opensubfile(GetIsoFile()) == 0) { | |
1295 | SysPrintf("[+sub]"); | |
1296 | } | |
ae4e7dc9 | 1297 | if (opensbifile(GetIsoFile()) == 0) { |
1298 | SysPrintf("[+sbi]"); | |
1299 | } | |
ef79bbde | 1300 | |
cc376814 | 1301 | fseeko(cdHandle, 0, SEEK_END); |
c9e5423e | 1302 | |
1303 | // maybe user selected metadata file instead of main .bin .. | |
689e0447 | 1304 | bin_filename = GetIsoFile(); |
cc376814 | 1305 | if (ftello(cdHandle) < 2352 * 0x10) { |
c9e5423e | 1306 | static const char *exts[] = { ".bin", ".BIN", ".img", ".IMG" }; |
689e0447 | 1307 | FILE *tmpf = NULL; |
c9e5423e | 1308 | size_t i; |
689e0447 | 1309 | char *p; |
c9e5423e | 1310 | |
689e0447 | 1311 | strncpy(alt_bin_filename, bin_filename, sizeof(alt_bin_filename)); |
1312 | alt_bin_filename[MAXPATHLEN - 1] = '\0'; | |
1313 | if (strlen(alt_bin_filename) >= 4) { | |
1314 | p = alt_bin_filename + strlen(alt_bin_filename) - 4; | |
c9e5423e | 1315 | for (i = 0; i < sizeof(exts) / sizeof(exts[0]); i++) { |
1316 | strcpy(p, exts[i]); | |
689e0447 | 1317 | tmpf = fopen(alt_bin_filename, "rb"); |
1318 | if (tmpf != NULL) | |
c9e5423e | 1319 | break; |
c9e5423e | 1320 | } |
1321 | } | |
689e0447 | 1322 | if (tmpf != NULL) { |
1323 | bin_filename = alt_bin_filename; | |
1324 | fclose(cdHandle); | |
1325 | cdHandle = tmpf; | |
cc376814 | 1326 | fseeko(cdHandle, 0, SEEK_END); |
689e0447 | 1327 | } |
c9e5423e | 1328 | } |
1329 | ||
1330 | // guess whether it is mode1/2048 | |
cc376814 | 1331 | if (ftello(cdHandle) % 2048 == 0) { |
9a92bffb | 1332 | unsigned int modeTest = 0; |
1333 | fseek(cdHandle, 0, SEEK_SET); | |
1334 | fread(&modeTest, 4, 1, cdHandle); | |
1335 | if (SWAP32(modeTest) != 0xffffff00) { | |
1336 | SysPrintf("[2048]"); | |
1337 | isMode1ISO = TRUE; | |
1338 | } | |
1339 | } | |
1340 | fseek(cdHandle, 0, SEEK_SET); | |
1341 | ||
ef79bbde P |
1342 | SysPrintf(".\n"); |
1343 | ||
1344 | PrintTracks(); | |
1345 | ||
9a92bffb | 1346 | if (subChanMixed) |
1347 | cdimg_read_func = cdread_sub_mixed; | |
1348 | else if (isMode1ISO) | |
1349 | cdimg_read_func = cdread_2048; | |
1350 | ||
38b8102c | 1351 | // make sure we have another handle open for cdda |
1352 | if (numtracks > 1 && ti[1].handle == NULL) { | |
689e0447 | 1353 | ti[1].handle = fopen(bin_filename, "rb"); |
38b8102c | 1354 | } |
77160d47 | 1355 | cdda_cur_sector = 0; |
1356 | cdda_file_offset = 0; | |
38b8102c | 1357 | |
ef79bbde P |
1358 | return 0; |
1359 | } | |
1360 | ||
1361 | static long CALLBACK ISOclose(void) { | |
38b8102c | 1362 | int i; |
1363 | ||
ef79bbde P |
1364 | if (cdHandle != NULL) { |
1365 | fclose(cdHandle); | |
1366 | cdHandle = NULL; | |
1367 | } | |
1368 | if (subHandle != NULL) { | |
1369 | fclose(subHandle); | |
1370 | subHandle = NULL; | |
1371 | } | |
1372 | stopCDDA(); | |
38b8102c | 1373 | cddaHandle = NULL; |
1374 | ||
9a92bffb | 1375 | if (compr_img != NULL) { |
1376 | free(compr_img->index_table); | |
1377 | free(compr_img); | |
1378 | compr_img = NULL; | |
1379 | } | |
00f0670c | 1380 | |
1381 | #ifdef HAVE_CHD | |
1382 | if (chd_img != NULL) { | |
1383 | chd_close(chd_img->chd); | |
1384 | free(chd_img->buffer); | |
1385 | free(chd_img); | |
1386 | chd_img = NULL; | |
1387 | } | |
1388 | #endif | |
9a92bffb | 1389 | |
38b8102c | 1390 | for (i = 1; i <= numtracks; i++) { |
1391 | if (ti[i].handle != NULL) { | |
1392 | fclose(ti[i].handle); | |
1393 | ti[i].handle = NULL; | |
1394 | } | |
1395 | } | |
1396 | numtracks = 0; | |
c0ee7ac6 | 1397 | ti[1].type = 0; |
ae4e7dc9 | 1398 | UnloadSBI(); |
38b8102c | 1399 | |
c0ee7ac6 | 1400 | memset(cdbuffer, 0, sizeof(cdbuffer)); |
1401 | CDR_getBuffer = ISOgetBuffer; | |
1402 | ||
38b8102c | 1403 | return 0; |
1404 | } | |
1405 | ||
1406 | static long CALLBACK ISOinit(void) { | |
1407 | assert(cdHandle == NULL); | |
1408 | assert(subHandle == NULL); | |
1409 | ||
1410 | return 0; // do nothing | |
1411 | } | |
1412 | ||
1413 | static long CALLBACK ISOshutdown(void) { | |
1414 | ISOclose(); | |
ef79bbde P |
1415 | return 0; |
1416 | } | |
1417 | ||
1418 | // return Starting and Ending Track | |
1419 | // buffer: | |
1420 | // byte 0 - start track | |
1421 | // byte 1 - end track | |
1422 | static long CALLBACK ISOgetTN(unsigned char *buffer) { | |
1423 | buffer[0] = 1; | |
1424 | ||
1425 | if (numtracks > 0) { | |
1426 | buffer[1] = numtracks; | |
1427 | } | |
1428 | else { | |
1429 | buffer[1] = 1; | |
1430 | } | |
1431 | ||
1432 | return 0; | |
1433 | } | |
1434 | ||
1435 | // return Track Time | |
1436 | // buffer: | |
1437 | // byte 0 - frame | |
1438 | // byte 1 - second | |
1439 | // byte 2 - minute | |
1440 | static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) { | |
858ad511 | 1441 | if (track == 0) { |
858ad511 | 1442 | unsigned int sect; |
1443 | unsigned char time[3]; | |
1444 | sect = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length); | |
ab948f7e | 1445 | sec2msf(sect, (char *)time); |
858ad511 | 1446 | buffer[2] = time[0]; |
1447 | buffer[1] = time[1]; | |
1448 | buffer[0] = time[2]; | |
1449 | } | |
1450 | else if (numtracks > 0 && track <= numtracks) { | |
ef79bbde P |
1451 | buffer[2] = ti[track].start[0]; |
1452 | buffer[1] = ti[track].start[1]; | |
1453 | buffer[0] = ti[track].start[2]; | |
1454 | } | |
1455 | else { | |
1456 | buffer[2] = 0; | |
1457 | buffer[1] = 2; | |
1458 | buffer[0] = 0; | |
1459 | } | |
1460 | ||
1461 | return 0; | |
1462 | } | |
1463 | ||
1464 | // decode 'raw' subchannel data ripped by cdrdao | |
1465 | static void DecodeRawSubData(void) { | |
1466 | unsigned char subQData[12]; | |
1467 | int i; | |
1468 | ||
1469 | memset(subQData, 0, sizeof(subQData)); | |
1470 | ||
1471 | for (i = 0; i < 8 * 12; i++) { | |
1472 | if (subbuffer[i] & (1 << 6)) { // only subchannel Q is needed | |
1473 | subQData[i >> 3] |= (1 << (7 - (i & 7))); | |
1474 | } | |
1475 | } | |
1476 | ||
1477 | memcpy(&subbuffer[12], subQData, 12); | |
1478 | } | |
1479 | ||
1480 | // read track | |
1481 | // time: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1482 | // uses bcd format | |
c9c7a925 | 1483 | static boolean CALLBACK ISOreadTrack(unsigned char *time) { |
19c03d80 | 1484 | int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])); |
c0ee7ac6 | 1485 | long ret; |
19c03d80 | 1486 | |
ef79bbde | 1487 | if (cdHandle == NULL) { |
c9c7a925 | 1488 | return 0; |
ef79bbde P |
1489 | } |
1490 | ||
8aa91443 | 1491 | if (pregapOffset) { |
1492 | subChanMissing = FALSE; | |
1493 | if (sector >= pregapOffset) { | |
1494 | sector -= 2 * 75; | |
1495 | if (sector < pregapOffset) | |
1496 | subChanMissing = TRUE; | |
1497 | } | |
1498 | } | |
1499 | ||
c0ee7ac6 | 1500 | ret = cdimg_read_func(cdHandle, 0, cdbuffer, sector); |
1501 | if (ret < 0) | |
c9c7a925 | 1502 | return 0; |
ef79bbde | 1503 | |
9a92bffb | 1504 | if (subHandle != NULL) { |
1505 | fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET); | |
1506 | fread(subbuffer, 1, SUB_FRAMESIZE, subHandle); | |
ef79bbde | 1507 | |
9a92bffb | 1508 | if (subChanRaw) DecodeRawSubData(); |
ef79bbde P |
1509 | } |
1510 | ||
c9c7a925 | 1511 | return 1; |
ef79bbde P |
1512 | } |
1513 | ||
ef79bbde P |
1514 | // plays cdda audio |
1515 | // sector: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1516 | // does NOT uses bcd format | |
1517 | static long CALLBACK ISOplay(unsigned char *time) { | |
f4627eb3 | 1518 | playing = TRUE; |
ef79bbde P |
1519 | return 0; |
1520 | } | |
1521 | ||
1522 | // stops cdda audio | |
1523 | static long CALLBACK ISOstop(void) { | |
1524 | stopCDDA(); | |
1525 | return 0; | |
1526 | } | |
1527 | ||
1528 | // gets subchannel data | |
1529 | static unsigned char* CALLBACK ISOgetBufferSub(void) { | |
8aa91443 | 1530 | if ((subHandle != NULL || subChanMixed) && !subChanMissing) { |
ef79bbde P |
1531 | return subbuffer; |
1532 | } | |
1533 | ||
1534 | return NULL; | |
1535 | } | |
1536 | ||
1537 | static long CALLBACK ISOgetStatus(struct CdrStat *stat) { | |
deebc67f | 1538 | u32 sect; |
1539 | ||
ef79bbde | 1540 | CDR__getStatus(stat); |
deebc67f | 1541 | |
ef79bbde P |
1542 | if (playing) { |
1543 | stat->Type = 0x02; | |
1544 | stat->Status |= 0x80; | |
ef79bbde P |
1545 | } |
1546 | else { | |
deebc67f | 1547 | // BIOS - boot ID (CD type) |
1548 | stat->Type = ti[1].type; | |
1549 | } | |
1550 | ||
1551 | // relative -> absolute time | |
1552 | sect = cddaCurPos; | |
1553 | sec2msf(sect, (char *)stat->Time); | |
1554 | ||
1555 | return 0; | |
1556 | } | |
1557 | ||
1558 | // read CDDA sector into buffer | |
1559 | long CALLBACK ISOreadCDDA(unsigned char m, unsigned char s, unsigned char f, unsigned char *buffer) { | |
1560 | unsigned char msf[3] = {m, s, f}; | |
1561 | unsigned int file, track, track_start = 0; | |
1562 | int ret; | |
1563 | ||
1564 | cddaCurPos = msf2sec((char *)msf); | |
1565 | ||
1566 | // find current track index | |
1567 | for (track = numtracks; ; track--) { | |
1568 | track_start = msf2sec(ti[track].start); | |
1569 | if (track_start <= cddaCurPos) | |
1570 | break; | |
1571 | if (track == 1) | |
1572 | break; | |
1573 | } | |
1574 | ||
1575 | // data tracks play silent | |
1576 | if (ti[track].type != CDDA) { | |
1577 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
1578 | return 0; | |
1579 | } | |
1580 | ||
1581 | file = 1; | |
1582 | if (multifile) { | |
1583 | // find the file that contains this track | |
1584 | for (file = track; file > 1; file--) | |
1585 | if (ti[file].handle != NULL) | |
1586 | break; | |
ef79bbde P |
1587 | } |
1588 | ||
deebc67f | 1589 | ret = cdimg_read_func(ti[file].handle, ti[track].start_offset, |
1590 | buffer, cddaCurPos - track_start); | |
1591 | if (ret != CD_FRAMESIZE_RAW) { | |
1592 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
1593 | return -1; | |
1594 | } | |
1595 | ||
1596 | if (cddaBigEndian) { | |
1597 | int i; | |
1598 | unsigned char tmp; | |
1599 | ||
1600 | for (i = 0; i < CD_FRAMESIZE_RAW / 2; i++) { | |
1601 | tmp = buffer[i * 2]; | |
1602 | buffer[i * 2] = buffer[i * 2 + 1]; | |
1603 | buffer[i * 2 + 1] = tmp; | |
1604 | } | |
1605 | } | |
858ad511 | 1606 | |
ef79bbde P |
1607 | return 0; |
1608 | } | |
1609 | ||
1610 | void cdrIsoInit(void) { | |
1611 | CDR_init = ISOinit; | |
1612 | CDR_shutdown = ISOshutdown; | |
1613 | CDR_open = ISOopen; | |
1614 | CDR_close = ISOclose; | |
1615 | CDR_getTN = ISOgetTN; | |
1616 | CDR_getTD = ISOgetTD; | |
1617 | CDR_readTrack = ISOreadTrack; | |
1618 | CDR_getBuffer = ISOgetBuffer; | |
1619 | CDR_play = ISOplay; | |
1620 | CDR_stop = ISOstop; | |
1621 | CDR_getBufferSub = ISOgetBufferSub; | |
1622 | CDR_getStatus = ISOgetStatus; | |
deebc67f | 1623 | CDR_readCDDA = ISOreadCDDA; |
ef79bbde P |
1624 | |
1625 | CDR_getDriveLetter = CDR__getDriveLetter; | |
1626 | CDR_configure = CDR__configure; | |
1627 | CDR_test = CDR__test; | |
1628 | CDR_about = CDR__about; | |
1629 | CDR_setfilename = CDR__setfilename; | |
1630 | ||
1631 | numtracks = 0; | |
1632 | } | |
1633 | ||
1634 | int cdrIsoActive(void) { | |
1635 | return (cdHandle != NULL); | |
1636 | } |