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ef79bbde P |
1 | /*************************************************************************** |
2 | * Copyright (C) 2007 PCSX-df Team * | |
3 | * Copyright (C) 2009 Wei Mingzhi * | |
77160d47 | 4 | * Copyright (C) 2012 notaz * |
ef79bbde P |
5 | * * |
6 | * This program is free software; you can redistribute it and/or modify * | |
7 | * it under the terms of the GNU General Public License as published by * | |
8 | * the Free Software Foundation; either version 2 of the License, or * | |
9 | * (at your option) any later version. * | |
10 | * * | |
11 | * This program is distributed in the hope that it will be useful, * | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
14 | * GNU General Public License for more details. * | |
15 | * * | |
16 | * You should have received a copy of the GNU General Public License * | |
17 | * along with this program; if not, write to the * | |
18 | * Free Software Foundation, Inc., * | |
deebc67f | 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * |
ef79bbde P |
20 | ***************************************************************************/ |
21 | ||
22 | #include "psxcommon.h" | |
23 | #include "plugins.h" | |
24 | #include "cdrom.h" | |
25 | #include "cdriso.h" | |
ae4e7dc9 | 26 | #include "ppf.h" |
ef79bbde | 27 | |
f9fb1cf7 | 28 | #include <errno.h> |
29 | #include <zlib.h> | |
b0ec2e6d | 30 | #ifdef HAVE_CHD |
175fe1b0 | 31 | #include <libchdr/chd.h> |
b0ec2e6d | 32 | #endif |
f9fb1cf7 | 33 | |
ef79bbde | 34 | #ifdef _WIN32 |
deebc67f | 35 | #define strcasecmp _stricmp |
037a5c7a | 36 | #else |
37 | #include <sys/types.h> | |
38 | #include <sys/stat.h> | |
39 | #include <unistd.h> | |
40 | #if P_HAVE_PTHREAD | |
ef79bbde P |
41 | #include <pthread.h> |
42 | #include <sys/time.h> | |
037a5c7a | 43 | #endif |
ef79bbde P |
44 | #endif |
45 | ||
9f47c8ed | 46 | // to enable the USE_READ_THREAD code, fix: |
47 | // - https://github.com/notaz/pcsx_rearmed/issues/257 | |
48 | // - ISOgetBufferSub to not race with async code | |
94f0c7c5 | 49 | #define USE_READ_THREAD 0 //P_HAVE_PTHREAD |
9f47c8ed | 50 | |
226a5691 | 51 | #ifdef USE_LIBRETRO_VFS |
52 | #include <streams/file_stream_transforms.h> | |
53 | #undef fseeko | |
54 | #undef ftello | |
037a5c7a | 55 | #undef rewind |
226a5691 | 56 | #define ftello rftell |
57 | #define fseeko rfseek | |
037a5c7a | 58 | #define rewind(f_) rfseek(f_, 0, SEEK_SET) |
226a5691 | 59 | #endif |
9361a5aa | 60 | |
cc376814 | 61 | #define OFF_T_MSB ((off_t)1 << (sizeof(off_t) * 8 - 1)) |
62 | ||
0c2871a7 | 63 | unsigned int cdrIsoMultidiskCount; |
64 | unsigned int cdrIsoMultidiskSelect; | |
65 | ||
ef79bbde P |
66 | static FILE *cdHandle = NULL; |
67 | static FILE *cddaHandle = NULL; | |
68 | static FILE *subHandle = NULL; | |
69 | ||
70 | static boolean subChanMixed = FALSE; | |
71 | static boolean subChanRaw = FALSE; | |
72 | ||
deebc67f | 73 | static boolean multifile = FALSE; |
74 | ||
81abe4d5 | 75 | static unsigned char cdbuffer[CD_FRAMESIZE_RAW]; |
ef79bbde P |
76 | static unsigned char subbuffer[SUB_FRAMESIZE]; |
77 | ||
ef79bbde | 78 | static boolean cddaBigEndian = FALSE; |
8aa91443 | 79 | /* Frame offset into CD image where pregap data would be found if it was there. |
80 | * If a game seeks there we must *not* return subchannel data since it's | |
81 | * not in the CD image, so that cdrom code can fake subchannel data instead. | |
82 | * XXX: there could be multiple pregaps but PSX dumps only have one? */ | |
83 | static unsigned int pregapOffset; | |
ef79bbde | 84 | |
9a92bffb | 85 | // compressed image stuff |
86 | static struct { | |
87 | unsigned char buff_raw[16][CD_FRAMESIZE_RAW]; | |
88 | unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100]; | |
cc376814 | 89 | off_t *index_table; |
9a92bffb | 90 | unsigned int index_len; |
0877957a | 91 | unsigned int block_shift; |
9a92bffb | 92 | unsigned int current_block; |
93 | unsigned int sector_in_blk; | |
94 | } *compr_img; | |
95 | ||
b0ec2e6d | 96 | #ifdef HAVE_CHD |
ce188d4d | 97 | static struct { |
aeb82099 | 98 | unsigned char *buffer; |
ce188d4d | 99 | chd_file* chd; |
100 | const chd_header* header; | |
101 | unsigned int sectors_per_hunk; | |
aeb82099 | 102 | unsigned int current_hunk[2]; |
103 | unsigned int current_buffer; | |
ce188d4d | 104 | unsigned int sector_in_hunk; |
105 | } *chd_img; | |
037a5c7a | 106 | #else |
107 | #define chd_img 0 | |
b0ec2e6d | 108 | #endif |
ce188d4d | 109 | |
0eacae49 | 110 | static int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector); |
111 | static int (*cdimg_read_sub_func)(FILE *f, int sector); | |
9a92bffb | 112 | |
ef79bbde P |
113 | char* CALLBACK CDR__getDriveLetter(void); |
114 | long CALLBACK CDR__configure(void); | |
115 | long CALLBACK CDR__test(void); | |
116 | void CALLBACK CDR__about(void); | |
117 | long CALLBACK CDR__setfilename(char *filename); | |
36f2c1fa | 118 | long CALLBACK CDR__prefetch(u8 m, u8 s, u8 f); |
ef79bbde | 119 | |
19c03d80 | 120 | static void DecodeRawSubData(void); |
121 | ||
ef79bbde | 122 | struct trackinfo { |
deebc67f | 123 | enum {DATA=1, CDDA} type; |
ef79bbde P |
124 | char start[3]; // MSF-format |
125 | char length[3]; // MSF-format | |
38b8102c | 126 | FILE *handle; // for multi-track images CDDA |
f02c57ea | 127 | unsigned int start_offset; // byte offset from start of above file (chd: sector offset) |
ef79bbde P |
128 | }; |
129 | ||
130 | #define MAXTRACKS 100 /* How many tracks can a CD hold? */ | |
131 | ||
132 | static int numtracks = 0; | |
133 | static struct trackinfo ti[MAXTRACKS]; | |
134 | ||
135 | // get a sector from a msf-array | |
136 | static unsigned int msf2sec(char *msf) { | |
137 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; | |
138 | } | |
139 | ||
140 | static void sec2msf(unsigned int s, char *msf) { | |
141 | msf[0] = s / 75 / 60; | |
142 | s = s - msf[0] * 75 * 60; | |
143 | msf[1] = s / 75; | |
144 | s = s - msf[1] * 75; | |
145 | msf[2] = s; | |
146 | } | |
147 | ||
148 | // divide a string of xx:yy:zz into m, s, f | |
149 | static void tok2msf(char *time, char *msf) { | |
150 | char *token; | |
151 | ||
152 | token = strtok(time, ":"); | |
153 | if (token) { | |
154 | msf[0] = atoi(token); | |
155 | } | |
156 | else { | |
157 | msf[0] = 0; | |
158 | } | |
159 | ||
160 | token = strtok(NULL, ":"); | |
161 | if (token) { | |
162 | msf[1] = atoi(token); | |
163 | } | |
164 | else { | |
165 | msf[1] = 0; | |
166 | } | |
167 | ||
168 | token = strtok(NULL, ":"); | |
169 | if (token) { | |
170 | msf[2] = atoi(token); | |
171 | } | |
172 | else { | |
173 | msf[2] = 0; | |
174 | } | |
175 | } | |
176 | ||
037a5c7a | 177 | static off_t get_size(FILE *f) |
178 | { | |
179 | off_t old, size; | |
180 | #if !defined(USE_LIBRETRO_VFS) | |
181 | struct stat st; | |
182 | if (fstat(fileno(f), &st) == 0) | |
183 | return st.st_size; | |
184 | #endif | |
185 | old = ftello(f); | |
186 | fseeko(f, 0, SEEK_END); | |
187 | size = ftello(f); | |
188 | fseeko(f, old, SEEK_SET); | |
189 | return size; | |
190 | } | |
191 | ||
ef79bbde P |
192 | // this function tries to get the .toc file of the given .bin |
193 | // the necessary data is put into the ti (trackinformation)-array | |
194 | static int parsetoc(const char *isofile) { | |
195 | char tocname[MAXPATHLEN]; | |
196 | FILE *fi; | |
e999be41 | 197 | char linebuf[256], tmp[256], name[256]; |
ef79bbde P |
198 | char *token; |
199 | char time[20], time2[20]; | |
e999be41 | 200 | unsigned int t, sector_offs, sector_size; |
201 | unsigned int current_zero_gap = 0; | |
ef79bbde P |
202 | |
203 | numtracks = 0; | |
204 | ||
205 | // copy name of the iso and change extension from .bin to .toc | |
206 | strncpy(tocname, isofile, sizeof(tocname)); | |
207 | tocname[MAXPATHLEN - 1] = '\0'; | |
208 | if (strlen(tocname) >= 4) { | |
209 | strcpy(tocname + strlen(tocname) - 4, ".toc"); | |
210 | } | |
211 | else { | |
212 | return -1; | |
213 | } | |
214 | ||
226a5691 | 215 | if ((fi = fopen(tocname, "r")) == NULL) { |
ef79bbde P |
216 | // try changing extension to .cue (to satisfy some stupid tutorials) |
217 | strcpy(tocname + strlen(tocname) - 4, ".cue"); | |
226a5691 | 218 | if ((fi = fopen(tocname, "r")) == NULL) { |
ef79bbde P |
219 | // if filename is image.toc.bin, try removing .bin (for Brasero) |
220 | strcpy(tocname, isofile); | |
221 | t = strlen(tocname); | |
222 | if (t >= 8 && strcmp(tocname + t - 8, ".toc.bin") == 0) { | |
223 | tocname[t - 4] = '\0'; | |
226a5691 | 224 | if ((fi = fopen(tocname, "r")) == NULL) { |
ef79bbde P |
225 | return -1; |
226 | } | |
227 | } | |
228 | else { | |
229 | return -1; | |
230 | } | |
231 | } | |
92f43ab0 | 232 | // check if it's really a TOC named as a .cue |
9361a5aa | 233 | if (fgets(linebuf, sizeof(linebuf), fi) != NULL) { |
9dca6543 | 234 | token = strtok(linebuf, " "); |
235 | if (token && strncmp(token, "CD", 2) != 0) { | |
236 | // && strcmp(token, "CATALOG") != 0) - valid for a real .cue | |
237 | fclose(fi); | |
238 | return -1; | |
239 | } | |
92f43ab0 | 240 | } |
241 | fseek(fi, 0, SEEK_SET); | |
ef79bbde P |
242 | } |
243 | ||
244 | memset(&ti, 0, sizeof(ti)); | |
245 | cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio | |
246 | ||
e999be41 | 247 | sector_size = CD_FRAMESIZE_RAW; |
19c03d80 | 248 | sector_offs = 2 * 75; |
249 | ||
ef79bbde P |
250 | // parse the .toc file |
251 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
252 | // search for tracks | |
e999be41 | 253 | strncpy(tmp, linebuf, sizeof(linebuf)); |
254 | token = strtok(tmp, " "); | |
ef79bbde P |
255 | |
256 | if (token == NULL) continue; | |
257 | ||
258 | if (!strcmp(token, "TRACK")) { | |
e999be41 | 259 | sector_offs += current_zero_gap; |
260 | current_zero_gap = 0; | |
261 | ||
ef79bbde P |
262 | // get type of track |
263 | token = strtok(NULL, " "); | |
264 | numtracks++; | |
265 | ||
266 | if (!strncmp(token, "MODE2_RAW", 9)) { | |
267 | ti[numtracks].type = DATA; | |
268 | sec2msf(2 * 75, ti[numtracks].start); // assume data track on 0:2:0 | |
269 | ||
270 | // check if this image contains mixed subchannel data | |
271 | token = strtok(NULL, " "); | |
e999be41 | 272 | if (token != NULL && !strncmp(token, "RW", 2)) { |
273 | sector_size = CD_FRAMESIZE_RAW + SUB_FRAMESIZE; | |
ef79bbde | 274 | subChanMixed = TRUE; |
e999be41 | 275 | if (!strncmp(token, "RW_RAW", 6)) |
276 | subChanRaw = TRUE; | |
ef79bbde P |
277 | } |
278 | } | |
279 | else if (!strncmp(token, "AUDIO", 5)) { | |
280 | ti[numtracks].type = CDDA; | |
281 | } | |
282 | } | |
283 | else if (!strcmp(token, "DATAFILE")) { | |
284 | if (ti[numtracks].type == CDDA) { | |
285 | sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2); | |
19c03d80 | 286 | ti[numtracks].start_offset = t; |
e999be41 | 287 | t = t / sector_size + sector_offs; |
ef79bbde P |
288 | sec2msf(t, (char *)&ti[numtracks].start); |
289 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
290 | } | |
291 | else { | |
292 | sscanf(linebuf, "DATAFILE \"%[^\"]\" %8s", name, time); | |
293 | tok2msf((char *)&time, (char *)&ti[numtracks].length); | |
294 | } | |
295 | } | |
296 | else if (!strcmp(token, "FILE")) { | |
297 | sscanf(linebuf, "FILE \"%[^\"]\" #%d %8s %8s", name, &t, time, time2); | |
298 | tok2msf((char *)&time, (char *)&ti[numtracks].start); | |
e999be41 | 299 | t += msf2sec(ti[numtracks].start) * sector_size; |
19c03d80 | 300 | ti[numtracks].start_offset = t; |
e999be41 | 301 | t = t / sector_size + sector_offs; |
ef79bbde P |
302 | sec2msf(t, (char *)&ti[numtracks].start); |
303 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
304 | } | |
e999be41 | 305 | else if (!strcmp(token, "ZERO") || !strcmp(token, "SILENCE")) { |
306 | // skip unneeded optional fields | |
307 | while (token != NULL) { | |
308 | token = strtok(NULL, " "); | |
309 | if (strchr(token, ':') != NULL) | |
310 | break; | |
311 | } | |
312 | if (token != NULL) { | |
313 | tok2msf(token, tmp); | |
314 | current_zero_gap = msf2sec(tmp); | |
315 | } | |
8aa91443 | 316 | if (numtracks > 1) { |
317 | t = ti[numtracks - 1].start_offset; | |
e999be41 | 318 | t /= sector_size; |
8aa91443 | 319 | pregapOffset = t + msf2sec(ti[numtracks - 1].length); |
320 | } | |
19c03d80 | 321 | } |
e999be41 | 322 | else if (!strcmp(token, "START")) { |
323 | token = strtok(NULL, " "); | |
324 | if (token != NULL && strchr(token, ':')) { | |
325 | tok2msf(token, tmp); | |
326 | t = msf2sec(tmp); | |
327 | ti[numtracks].start_offset += (t - current_zero_gap) * sector_size; | |
328 | t = msf2sec(ti[numtracks].start) + t; | |
329 | sec2msf(t, (char *)&ti[numtracks].start); | |
330 | } | |
331 | } | |
ef79bbde P |
332 | } |
333 | ||
334 | fclose(fi); | |
335 | ||
336 | return 0; | |
337 | } | |
338 | ||
339 | // this function tries to get the .cue file of the given .bin | |
340 | // the necessary data is put into the ti (trackinformation)-array | |
341 | static int parsecue(const char *isofile) { | |
342 | char cuename[MAXPATHLEN]; | |
38b8102c | 343 | char filepath[MAXPATHLEN]; |
344 | char *incue_fname; | |
ef79bbde | 345 | FILE *fi; |
037a5c7a | 346 | FILE *ftmp = NULL; |
ef79bbde P |
347 | char *token; |
348 | char time[20]; | |
349 | char *tmp; | |
19c03d80 | 350 | char linebuf[256], tmpb[256], dummy[256]; |
38b8102c | 351 | unsigned int incue_max_len; |
77160d47 | 352 | unsigned int t, file_len, mode, sector_offs; |
353 | unsigned int sector_size = 2352; | |
ef79bbde P |
354 | |
355 | numtracks = 0; | |
356 | ||
357 | // copy name of the iso and change extension from .bin to .cue | |
358 | strncpy(cuename, isofile, sizeof(cuename)); | |
359 | cuename[MAXPATHLEN - 1] = '\0'; | |
037a5c7a | 360 | if (strlen(cuename) < 4) |
361 | return -1; | |
362 | if (strcasecmp(cuename + strlen(cuename) - 4, ".cue") == 0) { | |
363 | // it's already open as cdHandle | |
364 | fi = cdHandle; | |
365 | } | |
366 | else { | |
2cc221eb | 367 | // If 'isofile' is a '.cd<X>' file, use it as a .cue file |
368 | // and don't try to search the additional .cue file | |
369 | if (strncasecmp(cuename + strlen(cuename) - 4, ".cd", 3) != 0 ) | |
370 | strcpy(cuename + strlen(cuename) - 4, ".cue"); | |
ef79bbde | 371 | |
037a5c7a | 372 | if ((ftmp = fopen(cuename, "r")) == NULL) |
373 | return -1; | |
374 | fi = ftmp; | |
ef79bbde P |
375 | } |
376 | ||
377 | // Some stupid tutorials wrongly tell users to use cdrdao to rip a | |
378 | // "bin/cue" image, which is in fact a "bin/toc" image. So let's check | |
379 | // that... | |
380 | if (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
381 | if (!strncmp(linebuf, "CD_ROM_XA", 9)) { | |
382 | // Don't proceed further, as this is actually a .toc file rather | |
383 | // than a .cue file. | |
037a5c7a | 384 | if (ftmp) |
385 | fclose(ftmp); | |
ef79bbde P |
386 | return parsetoc(isofile); |
387 | } | |
037a5c7a | 388 | rewind(fi); |
ef79bbde P |
389 | } |
390 | ||
38b8102c | 391 | // build a path for files referenced in .cue |
392 | strncpy(filepath, cuename, sizeof(filepath)); | |
22bbabf6 | 393 | tmp = strrchr(filepath, '/'); |
38b8102c | 394 | if (tmp == NULL) |
22bbabf6 | 395 | tmp = strrchr(filepath, '\\'); |
396 | if (tmp != NULL) | |
397 | tmp++; | |
398 | else | |
38b8102c | 399 | tmp = filepath; |
400 | *tmp = 0; | |
401 | filepath[sizeof(filepath) - 1] = 0; | |
402 | incue_fname = tmp; | |
403 | incue_max_len = sizeof(filepath) - (tmp - filepath) - 1; | |
404 | ||
ef79bbde P |
405 | memset(&ti, 0, sizeof(ti)); |
406 | ||
19c03d80 | 407 | file_len = 0; |
408 | sector_offs = 2 * 75; | |
409 | ||
ef79bbde P |
410 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { |
411 | strncpy(dummy, linebuf, sizeof(linebuf)); | |
412 | token = strtok(dummy, " "); | |
413 | ||
414 | if (token == NULL) { | |
415 | continue; | |
416 | } | |
417 | ||
19c03d80 | 418 | if (!strcmp(token, "TRACK")) { |
ef79bbde P |
419 | numtracks++; |
420 | ||
77160d47 | 421 | sector_size = 0; |
ef79bbde P |
422 | if (strstr(linebuf, "AUDIO") != NULL) { |
423 | ti[numtracks].type = CDDA; | |
77160d47 | 424 | sector_size = 2352; |
ef79bbde | 425 | } |
77160d47 | 426 | else if (sscanf(linebuf, " TRACK %u MODE%u/%u", &t, &mode, §or_size) == 3) |
ef79bbde | 427 | ti[numtracks].type = DATA; |
77160d47 | 428 | else { |
429 | SysPrintf(".cue: failed to parse TRACK\n"); | |
430 | ti[numtracks].type = numtracks == 1 ? DATA : CDDA; | |
ef79bbde | 431 | } |
77160d47 | 432 | if (sector_size == 0) |
433 | sector_size = 2352; | |
ef79bbde P |
434 | } |
435 | else if (!strcmp(token, "INDEX")) { | |
77160d47 | 436 | if (sscanf(linebuf, " INDEX %02d %8s", &t, time) != 2) |
437 | SysPrintf(".cue: failed to parse INDEX\n"); | |
19c03d80 | 438 | tok2msf(time, (char *)&ti[numtracks].start); |
ef79bbde | 439 | |
19c03d80 | 440 | t = msf2sec(ti[numtracks].start); |
77160d47 | 441 | ti[numtracks].start_offset = t * sector_size; |
19c03d80 | 442 | t += sector_offs; |
ef79bbde | 443 | sec2msf(t, ti[numtracks].start); |
19c03d80 | 444 | |
445 | // default track length to file length | |
77160d47 | 446 | t = file_len - ti[numtracks].start_offset / sector_size; |
19c03d80 | 447 | sec2msf(t, ti[numtracks].length); |
448 | ||
449 | if (numtracks > 1 && ti[numtracks].handle == NULL) { | |
450 | // this track uses the same file as the last, | |
451 | // start of this track is last track's end | |
452 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
453 | sec2msf(t, ti[numtracks - 1].length); | |
38b8102c | 454 | } |
8aa91443 | 455 | if (numtracks > 1 && pregapOffset == -1) |
77160d47 | 456 | pregapOffset = ti[numtracks].start_offset / sector_size; |
19c03d80 | 457 | } |
458 | else if (!strcmp(token, "PREGAP")) { | |
459 | if (sscanf(linebuf, " PREGAP %8s", time) == 1) { | |
460 | tok2msf(time, dummy); | |
461 | sector_offs += msf2sec(dummy); | |
38b8102c | 462 | } |
8aa91443 | 463 | pregapOffset = -1; // mark to fill track start_offset |
19c03d80 | 464 | } |
465 | else if (!strcmp(token, "FILE")) { | |
9a9bcd78 | 466 | t = sscanf(linebuf, " FILE \"%255[^\"]\"", tmpb); |
385c023b | 467 | if (t != 1) |
9a9bcd78 | 468 | sscanf(linebuf, " FILE %255s", tmpb); |
19c03d80 | 469 | |
6f4557bf | 470 | tmp = strrchr(tmpb, '\\'); |
471 | if (tmp == NULL) | |
472 | tmp = strrchr(tmpb, '/'); | |
473 | if (tmp != NULL) | |
474 | tmp++; | |
475 | else | |
476 | tmp = tmpb; | |
477 | strncpy(incue_fname, tmp, incue_max_len); | |
226a5691 | 478 | ti[numtracks + 1].handle = fopen(filepath, "rb"); |
ef79bbde | 479 | |
19c03d80 | 480 | // update global offset if this is not first file in this .cue |
deebc67f | 481 | if (numtracks + 1 > 1) { |
482 | multifile = 1; | |
19c03d80 | 483 | sector_offs += file_len; |
deebc67f | 484 | } |
19c03d80 | 485 | |
486 | file_len = 0; | |
38b8102c | 487 | if (ti[numtracks + 1].handle == NULL) { |
19c03d80 | 488 | SysPrintf(_("\ncould not open: %s\n"), filepath); |
489 | continue; | |
38b8102c | 490 | } |
037a5c7a | 491 | file_len = get_size(ti[numtracks + 1].handle) / 2352; |
ef79bbde P |
492 | } |
493 | } | |
494 | ||
037a5c7a | 495 | if (ftmp) |
496 | fclose(ftmp); | |
ef79bbde | 497 | |
2cc221eb | 498 | // if there are no tracks detected, then it's not a cue file |
499 | if (!numtracks) | |
500 | return -1; | |
501 | ||
037a5c7a | 502 | // the data track handle is always in cdHandle |
503 | if (ti[1].handle) { | |
504 | fclose(cdHandle); | |
505 | cdHandle = ti[1].handle; | |
506 | ti[1].handle = NULL; | |
507 | } | |
ef79bbde P |
508 | return 0; |
509 | } | |
510 | ||
511 | // this function tries to get the .ccd file of the given .img | |
512 | // the necessary data is put into the ti (trackinformation)-array | |
513 | static int parseccd(const char *isofile) { | |
514 | char ccdname[MAXPATHLEN]; | |
515 | FILE *fi; | |
516 | char linebuf[256]; | |
517 | unsigned int t; | |
518 | ||
519 | numtracks = 0; | |
520 | ||
521 | // copy name of the iso and change extension from .img to .ccd | |
522 | strncpy(ccdname, isofile, sizeof(ccdname)); | |
523 | ccdname[MAXPATHLEN - 1] = '\0'; | |
524 | if (strlen(ccdname) >= 4) { | |
525 | strcpy(ccdname + strlen(ccdname) - 4, ".ccd"); | |
526 | } | |
527 | else { | |
528 | return -1; | |
529 | } | |
530 | ||
226a5691 | 531 | if ((fi = fopen(ccdname, "r")) == NULL) { |
ef79bbde P |
532 | return -1; |
533 | } | |
534 | ||
535 | memset(&ti, 0, sizeof(ti)); | |
536 | ||
537 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
538 | if (!strncmp(linebuf, "[TRACK", 6)){ | |
539 | numtracks++; | |
540 | } | |
541 | else if (!strncmp(linebuf, "MODE=", 5)) { | |
542 | sscanf(linebuf, "MODE=%d", &t); | |
543 | ti[numtracks].type = ((t == 0) ? CDDA : DATA); | |
544 | } | |
545 | else if (!strncmp(linebuf, "INDEX 1=", 8)) { | |
546 | sscanf(linebuf, "INDEX 1=%d", &t); | |
547 | sec2msf(t + 2 * 75, ti[numtracks].start); | |
77160d47 | 548 | ti[numtracks].start_offset = t * 2352; |
ef79bbde P |
549 | |
550 | // If we've already seen another track, this is its end | |
551 | if (numtracks > 1) { | |
552 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
553 | sec2msf(t, ti[numtracks - 1].length); | |
554 | } | |
555 | } | |
556 | } | |
557 | ||
558 | fclose(fi); | |
559 | ||
560 | // Fill out the last track's end based on size | |
561 | if (numtracks >= 1) { | |
037a5c7a | 562 | t = get_size(cdHandle) / 2352 - msf2sec(ti[numtracks].start) + 2 * 75; |
ef79bbde P |
563 | sec2msf(t, ti[numtracks].length); |
564 | } | |
565 | ||
566 | return 0; | |
567 | } | |
568 | ||
569 | // this function tries to get the .mds file of the given .mdf | |
570 | // the necessary data is put into the ti (trackinformation)-array | |
571 | static int parsemds(const char *isofile) { | |
572 | char mdsname[MAXPATHLEN]; | |
573 | FILE *fi; | |
574 | unsigned int offset, extra_offset, l, i; | |
575 | unsigned short s; | |
576 | ||
577 | numtracks = 0; | |
578 | ||
579 | // copy name of the iso and change extension from .mdf to .mds | |
580 | strncpy(mdsname, isofile, sizeof(mdsname)); | |
581 | mdsname[MAXPATHLEN - 1] = '\0'; | |
582 | if (strlen(mdsname) >= 4) { | |
583 | strcpy(mdsname + strlen(mdsname) - 4, ".mds"); | |
584 | } | |
585 | else { | |
586 | return -1; | |
587 | } | |
588 | ||
226a5691 | 589 | if ((fi = fopen(mdsname, "rb")) == NULL) { |
ef79bbde P |
590 | return -1; |
591 | } | |
592 | ||
593 | memset(&ti, 0, sizeof(ti)); | |
594 | ||
595 | // check if it's a valid mds file | |
9361a5aa EC |
596 | if (fread(&i, 1, sizeof(i), fi) != sizeof(i)) |
597 | goto fail_io; | |
ef79bbde P |
598 | i = SWAP32(i); |
599 | if (i != 0x4944454D) { | |
600 | // not an valid mds file | |
601 | fclose(fi); | |
602 | return -1; | |
603 | } | |
604 | ||
605 | // get offset to session block | |
606 | fseek(fi, 0x50, SEEK_SET); | |
9361a5aa EC |
607 | if (fread(&offset, 1, sizeof(offset), fi) != sizeof(offset)) |
608 | goto fail_io; | |
ef79bbde P |
609 | offset = SWAP32(offset); |
610 | ||
611 | // get total number of tracks | |
612 | offset += 14; | |
613 | fseek(fi, offset, SEEK_SET); | |
9361a5aa EC |
614 | if (fread(&s, 1, sizeof(s), fi) != sizeof(s)) |
615 | goto fail_io; | |
ef79bbde P |
616 | s = SWAP16(s); |
617 | numtracks = s; | |
618 | ||
619 | // get offset to track blocks | |
620 | fseek(fi, 4, SEEK_CUR); | |
9361a5aa EC |
621 | if (fread(&offset, 1, sizeof(offset), fi) != sizeof(offset)) |
622 | goto fail_io; | |
ef79bbde P |
623 | offset = SWAP32(offset); |
624 | ||
625 | // skip lead-in data | |
626 | while (1) { | |
627 | fseek(fi, offset + 4, SEEK_SET); | |
628 | if (fgetc(fi) < 0xA0) { | |
629 | break; | |
630 | } | |
631 | offset += 0x50; | |
632 | } | |
633 | ||
634 | // check if the image contains mixed subchannel data | |
635 | fseek(fi, offset + 1, SEEK_SET); | |
77160d47 | 636 | subChanMixed = subChanRaw = (fgetc(fi) ? TRUE : FALSE); |
ef79bbde P |
637 | |
638 | // read track data | |
639 | for (i = 1; i <= numtracks; i++) { | |
640 | fseek(fi, offset, SEEK_SET); | |
641 | ||
642 | // get the track type | |
643 | ti[i].type = ((fgetc(fi) == 0xA9) ? CDDA : DATA); | |
644 | fseek(fi, 8, SEEK_CUR); | |
645 | ||
646 | // get the track starting point | |
647 | ti[i].start[0] = fgetc(fi); | |
648 | ti[i].start[1] = fgetc(fi); | |
649 | ti[i].start[2] = fgetc(fi); | |
650 | ||
9361a5aa EC |
651 | if (fread(&extra_offset, 1, sizeof(extra_offset), fi) != sizeof(extra_offset)) |
652 | goto fail_io; | |
ef79bbde P |
653 | extra_offset = SWAP32(extra_offset); |
654 | ||
19c03d80 | 655 | // get track start offset (in .mdf) |
656 | fseek(fi, offset + 0x28, SEEK_SET); | |
9361a5aa EC |
657 | if (fread(&l, 1, sizeof(l), fi) != sizeof(l)) |
658 | goto fail_io; | |
19c03d80 | 659 | l = SWAP32(l); |
77160d47 | 660 | ti[i].start_offset = l; |
19c03d80 | 661 | |
8aa91443 | 662 | // get pregap |
663 | fseek(fi, extra_offset, SEEK_SET); | |
9361a5aa EC |
664 | if (fread(&l, 1, sizeof(l), fi) != sizeof(l)) |
665 | goto fail_io; | |
8aa91443 | 666 | l = SWAP32(l); |
667 | if (l != 0 && i > 1) | |
77160d47 | 668 | pregapOffset = msf2sec(ti[i].start); |
8aa91443 | 669 | |
670 | // get the track length | |
9361a5aa EC |
671 | if (fread(&l, 1, sizeof(l), fi) != sizeof(l)) |
672 | goto fail_io; | |
8aa91443 | 673 | l = SWAP32(l); |
674 | sec2msf(l, ti[i].length); | |
675 | ||
ef79bbde P |
676 | offset += 0x50; |
677 | } | |
ef79bbde P |
678 | fclose(fi); |
679 | return 0; | |
9361a5aa EC |
680 | fail_io: |
681 | #ifndef NDEBUG | |
682 | SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__); | |
683 | #endif | |
684 | fclose(fi); | |
685 | return -1; | |
ef79bbde P |
686 | } |
687 | ||
0877957a | 688 | static int handlepbp(const char *isofile) { |
9a92bffb | 689 | struct { |
690 | unsigned int sig; | |
691 | unsigned int dontcare[8]; | |
692 | unsigned int psar_offs; | |
693 | } pbp_hdr; | |
694 | struct { | |
695 | unsigned char type; | |
696 | unsigned char pad0; | |
697 | unsigned char track; | |
698 | char index0[3]; | |
699 | char pad1; | |
700 | char index1[3]; | |
701 | } toc_entry; | |
702 | struct { | |
703 | unsigned int offset; | |
704 | unsigned int size; | |
705 | unsigned int dontcare[6]; | |
706 | } index_entry; | |
0c2871a7 | 707 | char psar_sig[11]; |
cc376814 | 708 | off_t psisoimg_offs, cdimg_base; |
709 | unsigned int t, cd_length; | |
710 | unsigned int offsettab[8]; | |
58cb1438 | 711 | unsigned int psar_offs, index_entry_size, index_entry_offset; |
9a92bffb | 712 | const char *ext = NULL; |
713 | int i, ret; | |
714 | ||
715 | if (strlen(isofile) >= 4) | |
716 | ext = isofile + strlen(isofile) - 4; | |
037a5c7a | 717 | if (ext == NULL || strcasecmp(ext, ".pbp") != 0) |
9a92bffb | 718 | return -1; |
719 | ||
720 | numtracks = 0; | |
721 | ||
722 | ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle); | |
723 | if (ret != sizeof(pbp_hdr)) { | |
f29fbd53 | 724 | SysPrintf("failed to read pbp\n"); |
9a92bffb | 725 | goto fail_io; |
726 | } | |
727 | ||
58cb1438 PC |
728 | psar_offs = SWAP32(pbp_hdr.psar_offs); |
729 | ||
730 | ret = fseeko(cdHandle, psar_offs, SEEK_SET); | |
9a92bffb | 731 | if (ret != 0) { |
58cb1438 | 732 | SysPrintf("failed to seek to %x\n", psar_offs); |
9a92bffb | 733 | goto fail_io; |
734 | } | |
735 | ||
58cb1438 | 736 | psisoimg_offs = psar_offs; |
9361a5aa EC |
737 | if (fread(psar_sig, 1, sizeof(psar_sig), cdHandle) != sizeof(psar_sig)) |
738 | goto fail_io; | |
0c2871a7 | 739 | psar_sig[10] = 0; |
740 | if (strcmp(psar_sig, "PSTITLEIMG") == 0) { | |
741 | // multidisk image? | |
58cb1438 | 742 | ret = fseeko(cdHandle, psar_offs + 0x200, SEEK_SET); |
0c2871a7 | 743 | if (ret != 0) { |
58cb1438 | 744 | SysPrintf("failed to seek to %x\n", psar_offs + 0x200); |
0c2871a7 | 745 | goto fail_io; |
746 | } | |
747 | ||
748 | if (fread(&offsettab, 1, sizeof(offsettab), cdHandle) != sizeof(offsettab)) { | |
f29fbd53 | 749 | SysPrintf("failed to read offsettab\n"); |
0c2871a7 | 750 | goto fail_io; |
751 | } | |
752 | ||
753 | for (i = 0; i < sizeof(offsettab) / sizeof(offsettab[0]); i++) { | |
754 | if (offsettab[i] == 0) | |
755 | break; | |
756 | } | |
757 | cdrIsoMultidiskCount = i; | |
758 | if (cdrIsoMultidiskCount == 0) { | |
f29fbd53 | 759 | SysPrintf("multidisk eboot has 0 images?\n"); |
0c2871a7 | 760 | goto fail_io; |
761 | } | |
762 | ||
763 | if (cdrIsoMultidiskSelect >= cdrIsoMultidiskCount) | |
764 | cdrIsoMultidiskSelect = 0; | |
765 | ||
58cb1438 | 766 | psisoimg_offs += SWAP32(offsettab[cdrIsoMultidiskSelect]); |
0c2871a7 | 767 | |
cc376814 | 768 | ret = fseeko(cdHandle, psisoimg_offs, SEEK_SET); |
0c2871a7 | 769 | if (ret != 0) { |
cc376814 | 770 | SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs); |
0c2871a7 | 771 | goto fail_io; |
772 | } | |
773 | ||
9361a5aa EC |
774 | if (fread(psar_sig, 1, sizeof(psar_sig), cdHandle) != sizeof(psar_sig)) |
775 | goto fail_io; | |
0c2871a7 | 776 | psar_sig[10] = 0; |
777 | } | |
778 | ||
779 | if (strcmp(psar_sig, "PSISOIMG00") != 0) { | |
f29fbd53 | 780 | SysPrintf("bad psar_sig: %s\n", psar_sig); |
9a92bffb | 781 | goto fail_io; |
782 | } | |
783 | ||
784 | // seek to TOC | |
cc376814 | 785 | ret = fseeko(cdHandle, psisoimg_offs + 0x800, SEEK_SET); |
9a92bffb | 786 | if (ret != 0) { |
cc376814 | 787 | SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs + 0x800); |
9a92bffb | 788 | goto fail_io; |
789 | } | |
790 | ||
791 | // first 3 entries are special | |
792 | fseek(cdHandle, sizeof(toc_entry), SEEK_CUR); | |
9361a5aa EC |
793 | if (fread(&toc_entry, 1, sizeof(toc_entry), cdHandle) != sizeof(toc_entry)) |
794 | goto fail_io; | |
9a92bffb | 795 | numtracks = btoi(toc_entry.index1[0]); |
796 | ||
9361a5aa EC |
797 | if (fread(&toc_entry, 1, sizeof(toc_entry), cdHandle) != sizeof(toc_entry)) |
798 | goto fail_io; | |
9a92bffb | 799 | cd_length = btoi(toc_entry.index1[0]) * 60 * 75 + |
800 | btoi(toc_entry.index1[1]) * 75 + btoi(toc_entry.index1[2]); | |
801 | ||
802 | for (i = 1; i <= numtracks; i++) { | |
9361a5aa EC |
803 | if (fread(&toc_entry, 1, sizeof(toc_entry), cdHandle) != sizeof(toc_entry)) |
804 | goto fail_io; | |
9a92bffb | 805 | |
806 | ti[i].type = (toc_entry.type == 1) ? CDDA : DATA; | |
807 | ||
808 | ti[i].start_offset = btoi(toc_entry.index0[0]) * 60 * 75 + | |
809 | btoi(toc_entry.index0[1]) * 75 + btoi(toc_entry.index0[2]); | |
77160d47 | 810 | ti[i].start_offset *= 2352; |
9a92bffb | 811 | ti[i].start[0] = btoi(toc_entry.index1[0]); |
812 | ti[i].start[1] = btoi(toc_entry.index1[1]); | |
813 | ti[i].start[2] = btoi(toc_entry.index1[2]); | |
814 | ||
815 | if (i > 1) { | |
816 | t = msf2sec(ti[i].start) - msf2sec(ti[i - 1].start); | |
817 | sec2msf(t, ti[i - 1].length); | |
818 | } | |
819 | } | |
77160d47 | 820 | t = cd_length - ti[numtracks].start_offset / 2352; |
9a92bffb | 821 | sec2msf(t, ti[numtracks].length); |
822 | ||
823 | // seek to ISO index | |
cc376814 | 824 | ret = fseeko(cdHandle, psisoimg_offs + 0x4000, SEEK_SET); |
9a92bffb | 825 | if (ret != 0) { |
f29fbd53 | 826 | SysPrintf("failed to seek to ISO index\n"); |
9a92bffb | 827 | goto fail_io; |
828 | } | |
829 | ||
830 | compr_img = calloc(1, sizeof(*compr_img)); | |
831 | if (compr_img == NULL) | |
832 | goto fail_io; | |
833 | ||
0877957a | 834 | compr_img->block_shift = 4; |
9a92bffb | 835 | compr_img->current_block = (unsigned int)-1; |
836 | ||
837 | compr_img->index_len = (0x100000 - 0x4000) / sizeof(index_entry); | |
838 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
839 | if (compr_img->index_table == NULL) | |
840 | goto fail_io; | |
841 | ||
0c2871a7 | 842 | cdimg_base = psisoimg_offs + 0x100000; |
9a92bffb | 843 | for (i = 0; i < compr_img->index_len; i++) { |
844 | ret = fread(&index_entry, 1, sizeof(index_entry), cdHandle); | |
845 | if (ret != sizeof(index_entry)) { | |
f29fbd53 | 846 | SysPrintf("failed to read index_entry #%d\n", i); |
9a92bffb | 847 | goto fail_index; |
848 | } | |
849 | ||
58cb1438 PC |
850 | index_entry_size = SWAP32(index_entry.size); |
851 | index_entry_offset = SWAP32(index_entry.offset); | |
852 | ||
853 | if (index_entry_size == 0) | |
9a92bffb | 854 | break; |
855 | ||
58cb1438 | 856 | compr_img->index_table[i] = cdimg_base + index_entry_offset; |
9a92bffb | 857 | } |
58cb1438 | 858 | compr_img->index_table[i] = cdimg_base + index_entry_offset + index_entry_size; |
9a92bffb | 859 | |
860 | return 0; | |
861 | ||
862 | fail_index: | |
863 | free(compr_img->index_table); | |
864 | compr_img->index_table = NULL; | |
9361a5aa EC |
865 | goto done; |
866 | ||
9a92bffb | 867 | fail_io: |
9361a5aa | 868 | SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__); |
037a5c7a | 869 | rewind(cdHandle); |
9361a5aa EC |
870 | |
871 | done: | |
0877957a | 872 | if (compr_img != NULL) { |
873 | free(compr_img); | |
874 | compr_img = NULL; | |
875 | } | |
876 | return -1; | |
877 | } | |
878 | ||
879 | static int handlecbin(const char *isofile) { | |
880 | struct | |
881 | { | |
882 | char magic[4]; | |
883 | unsigned int header_size; | |
884 | unsigned long long total_bytes; | |
885 | unsigned int block_size; | |
886 | unsigned char ver; // 1 | |
887 | unsigned char align; | |
888 | unsigned char rsv_06[2]; | |
889 | } ciso_hdr; | |
890 | const char *ext = NULL; | |
cc376814 | 891 | unsigned int *index_table = NULL; |
0c2871a7 | 892 | unsigned int index = 0, plain; |
0877957a | 893 | int i, ret; |
894 | ||
895 | if (strlen(isofile) >= 5) | |
896 | ext = isofile + strlen(isofile) - 5; | |
897 | if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0)) | |
898 | return -1; | |
899 | ||
900 | ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle); | |
901 | if (ret != sizeof(ciso_hdr)) { | |
f29fbd53 | 902 | SysPrintf("failed to read ciso header\n"); |
037a5c7a | 903 | goto fail_io; |
0877957a | 904 | } |
905 | ||
906 | if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) { | |
f29fbd53 | 907 | SysPrintf("bad ciso header\n"); |
037a5c7a | 908 | goto fail_io; |
0877957a | 909 | } |
910 | if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) { | |
cc376814 | 911 | ret = fseeko(cdHandle, ciso_hdr.header_size, SEEK_SET); |
0877957a | 912 | if (ret != 0) { |
f29fbd53 | 913 | SysPrintf("failed to seek to %x\n", ciso_hdr.header_size); |
037a5c7a | 914 | goto fail_io; |
0877957a | 915 | } |
916 | } | |
917 | ||
918 | compr_img = calloc(1, sizeof(*compr_img)); | |
919 | if (compr_img == NULL) | |
920 | goto fail_io; | |
921 | ||
922 | compr_img->block_shift = 0; | |
923 | compr_img->current_block = (unsigned int)-1; | |
924 | ||
925 | compr_img->index_len = ciso_hdr.total_bytes / ciso_hdr.block_size; | |
cc376814 | 926 | index_table = malloc((compr_img->index_len + 1) * sizeof(index_table[0])); |
927 | if (index_table == NULL) | |
0877957a | 928 | goto fail_io; |
929 | ||
cc376814 | 930 | ret = fread(index_table, sizeof(index_table[0]), compr_img->index_len, cdHandle); |
0877957a | 931 | if (ret != compr_img->index_len) { |
f29fbd53 | 932 | SysPrintf("failed to read index table\n"); |
0877957a | 933 | goto fail_index; |
934 | } | |
935 | ||
cc376814 | 936 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); |
937 | if (compr_img->index_table == NULL) | |
938 | goto fail_index; | |
939 | ||
0877957a | 940 | for (i = 0; i < compr_img->index_len + 1; i++) { |
cc376814 | 941 | index = index_table[i]; |
0877957a | 942 | plain = index & 0x80000000; |
943 | index &= 0x7fffffff; | |
cc376814 | 944 | compr_img->index_table[i] = (off_t)index << ciso_hdr.align; |
945 | if (plain) | |
946 | compr_img->index_table[i] |= OFF_T_MSB; | |
0877957a | 947 | } |
0877957a | 948 | |
949 | return 0; | |
950 | ||
951 | fail_index: | |
cc376814 | 952 | free(index_table); |
0877957a | 953 | fail_io: |
954 | if (compr_img != NULL) { | |
955 | free(compr_img); | |
956 | compr_img = NULL; | |
957 | } | |
037a5c7a | 958 | rewind(cdHandle); |
9a92bffb | 959 | return -1; |
960 | } | |
961 | ||
b0ec2e6d | 962 | #ifdef HAVE_CHD |
ce188d4d | 963 | static int handlechd(const char *isofile) { |
6658ddcf | 964 | int frame_offset = 150; |
965 | int file_offset = 0; | |
966 | ||
ce188d4d | 967 | chd_img = calloc(1, sizeof(*chd_img)); |
968 | if (chd_img == NULL) | |
969 | goto fail_io; | |
970 | ||
971 | if(chd_open(isofile, CHD_OPEN_READ, NULL, &chd_img->chd) != CHDERR_NONE) | |
1d2757f4 | 972 | goto fail_io; |
973 | ||
974 | if (Config.CHD_Precache && (chd_precache(chd_img->chd) != CHDERR_NONE)) | |
975 | goto fail_io; | |
ce188d4d | 976 | |
aeb82099 | 977 | chd_img->header = chd_get_header(chd_img->chd); |
ce188d4d | 978 | |
aeb82099 | 979 | chd_img->buffer = malloc(chd_img->header->hunkbytes * 2); |
980 | if (chd_img->buffer == NULL) | |
ce188d4d | 981 | goto fail_io; |
982 | ||
aeb82099 | 983 | chd_img->sectors_per_hunk = chd_img->header->hunkbytes / (CD_FRAMESIZE_RAW + SUB_FRAMESIZE); |
984 | chd_img->current_hunk[0] = (unsigned int)-1; | |
985 | chd_img->current_hunk[1] = (unsigned int)-1; | |
ce188d4d | 986 | |
aeb82099 | 987 | cddaBigEndian = TRUE; |
ce188d4d | 988 | |
989 | numtracks = 0; | |
ce188d4d | 990 | memset(ti, 0, sizeof(ti)); |
991 | ||
992 | while (1) | |
993 | { | |
994 | struct { | |
995 | char type[64]; | |
996 | char subtype[32]; | |
997 | char pgtype[32]; | |
998 | char pgsub[32]; | |
999 | uint32_t track; | |
1000 | uint32_t frames; | |
1001 | uint32_t pregap; | |
1002 | uint32_t postgap; | |
1003 | } md = {}; | |
1004 | char meta[256]; | |
1005 | uint32_t meta_size = 0; | |
1006 | ||
1007 | if (chd_get_metadata(chd_img->chd, CDROM_TRACK_METADATA2_TAG, numtracks, meta, sizeof(meta), &meta_size, NULL, NULL) == CHDERR_NONE) | |
1008 | sscanf(meta, CDROM_TRACK_METADATA2_FORMAT, &md.track, md.type, md.subtype, &md.frames, &md.pregap, md.pgtype, md.pgsub, &md.postgap); | |
1009 | else if (chd_get_metadata(chd_img->chd, CDROM_TRACK_METADATA_TAG, numtracks, meta, sizeof(meta), &meta_size, NULL, NULL) == CHDERR_NONE) | |
1010 | sscanf(meta, CDROM_TRACK_METADATA_FORMAT, &md.track, md.type, md.subtype, &md.frames); | |
1011 | else | |
1012 | break; | |
1013 | ||
75d5614b | 1014 | SysPrintf("chd: %s\n", meta); |
1015 | ||
1016 | if (md.track == 1) { | |
75d5614b | 1017 | if (!strncmp(md.subtype, "RW", 2)) { |
1018 | subChanMixed = TRUE; | |
1019 | if (!strcmp(md.subtype, "RW_RAW")) | |
1020 | subChanRaw = TRUE; | |
1021 | } | |
1022 | } | |
ce188d4d | 1023 | |
055b81e1 | 1024 | ti[md.track].type = !strncmp(md.type, "AUDIO", 5) ? CDDA : DATA; |
ce188d4d | 1025 | |
055b81e1 | 1026 | sec2msf(frame_offset + md.pregap, ti[md.track].start); |
1027 | sec2msf(md.frames, ti[md.track].length); | |
ce188d4d | 1028 | |
6658ddcf | 1029 | ti[md.track].start_offset = file_offset + md.pregap; |
ce188d4d | 1030 | |
6658ddcf | 1031 | // XXX: what about postgap? |
1032 | frame_offset += md.frames; | |
1033 | file_offset += md.frames; | |
ce188d4d | 1034 | numtracks++; |
1035 | } | |
1036 | ||
1037 | if (numtracks) | |
1038 | return 0; | |
1039 | ||
1040 | fail_io: | |
1041 | if (chd_img != NULL) { | |
1042 | free(chd_img->buffer); | |
1043 | free(chd_img); | |
1044 | chd_img = NULL; | |
1045 | } | |
1046 | return -1; | |
1047 | } | |
b0ec2e6d | 1048 | #endif |
ce188d4d | 1049 | |
ef79bbde P |
1050 | // this function tries to get the .sub file of the given .img |
1051 | static int opensubfile(const char *isoname) { | |
1052 | char subname[MAXPATHLEN]; | |
1053 | ||
1054 | // copy name of the iso and change extension from .img to .sub | |
1055 | strncpy(subname, isoname, sizeof(subname)); | |
1056 | subname[MAXPATHLEN - 1] = '\0'; | |
1057 | if (strlen(subname) >= 4) { | |
1058 | strcpy(subname + strlen(subname) - 4, ".sub"); | |
1059 | } | |
1060 | else { | |
1061 | return -1; | |
1062 | } | |
1063 | ||
226a5691 | 1064 | subHandle = fopen(subname, "rb"); |
ef79bbde P |
1065 | if (subHandle == NULL) { |
1066 | return -1; | |
1067 | } | |
1068 | ||
1069 | return 0; | |
1070 | } | |
1071 | ||
ae4e7dc9 | 1072 | static int opensbifile(const char *isoname) { |
ba1cce07 | 1073 | char sbiname[MAXPATHLEN], disknum[MAXPATHLEN] = "0"; |
ae4e7dc9 | 1074 | int s; |
1075 | ||
1076 | strncpy(sbiname, isoname, sizeof(sbiname)); | |
1077 | sbiname[MAXPATHLEN - 1] = '\0'; | |
1078 | if (strlen(sbiname) >= 4) { | |
ba1cce07 S |
1079 | if (cdrIsoMultidiskCount > 1) { |
1080 | sprintf(disknum, "_%i.sbi", cdrIsoMultidiskSelect + 1); | |
1081 | strcpy(sbiname + strlen(sbiname) - 4, disknum); | |
1082 | } | |
1083 | else | |
1084 | strcpy(sbiname + strlen(sbiname) - 4, ".sbi"); | |
ae4e7dc9 | 1085 | } |
1086 | else { | |
1087 | return -1; | |
1088 | } | |
1089 | ||
037a5c7a | 1090 | s = msf2sec(ti[1].length); |
ae4e7dc9 | 1091 | |
1092 | return LoadSBI(sbiname, s); | |
1093 | } | |
1094 | ||
78bb116f | 1095 | #if !USE_READ_THREAD |
679b71e2 JW |
1096 | static void readThreadStop() {} |
1097 | static void readThreadStart() {} | |
1098 | #else | |
1099 | static pthread_t read_thread_id; | |
1100 | ||
1101 | static pthread_cond_t read_thread_msg_avail; | |
1102 | static pthread_cond_t read_thread_msg_done; | |
1103 | static pthread_mutex_t read_thread_msg_lock; | |
1104 | ||
1105 | static pthread_cond_t sectorbuffer_cond; | |
1106 | static pthread_mutex_t sectorbuffer_lock; | |
1107 | ||
1108 | static boolean read_thread_running = FALSE; | |
1109 | static int read_thread_sector_start = -1; | |
1110 | static int read_thread_sector_end = -1; | |
1111 | ||
1112 | typedef struct { | |
1113 | int sector; | |
1114 | long ret; | |
1115 | unsigned char data[CD_FRAMESIZE_RAW]; | |
1116 | } SectorBufferEntry; | |
1117 | ||
1118 | #define SECTOR_BUFFER_SIZE 4096 | |
1119 | ||
1120 | static SectorBufferEntry *sectorbuffer; | |
1121 | static size_t sectorbuffer_index; | |
1122 | ||
1123 | int (*sync_cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector); | |
1124 | unsigned char *(*sync_CDR_getBuffer)(void); | |
1125 | ||
1126 | static unsigned char * CALLBACK ISOgetBuffer_async(void); | |
1127 | static int cdread_async(FILE *f, unsigned int base, void *dest, int sector); | |
1128 | ||
1129 | static void *readThreadMain(void *param) { | |
1130 | int max_sector = -1; | |
1131 | int requested_sector_start = -1; | |
1132 | int requested_sector_end = -1; | |
1133 | int last_read_sector = -1; | |
1134 | int index = 0; | |
1135 | ||
1136 | int ra_sector = -1; | |
1137 | int max_ra = 128; | |
1138 | int initial_ra = 1; | |
1139 | int speedmult_ra = 4; | |
1140 | ||
1141 | int ra_count = 0; | |
1142 | int how_far_ahead = 0; | |
1143 | ||
1144 | unsigned char tmpdata[CD_FRAMESIZE_RAW]; | |
1145 | long ret; | |
1146 | ||
1147 | max_sector = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length); | |
1148 | ||
1149 | while(1) { | |
1150 | pthread_mutex_lock(&read_thread_msg_lock); | |
1151 | ||
1152 | // If we don't have readahead and we don't have a sector request, wait for one. | |
1153 | // If we still have readahead to go, don't block, just keep going. | |
1154 | // And if we ever have a sector request pending, acknowledge and reset it. | |
1155 | ||
1156 | if (!ra_count) { | |
1157 | if (read_thread_sector_start == -1 && read_thread_running) { | |
1158 | pthread_cond_wait(&read_thread_msg_avail, &read_thread_msg_lock); | |
1159 | } | |
1160 | } | |
1161 | ||
1162 | if (read_thread_sector_start != -1) { | |
1163 | requested_sector_start = read_thread_sector_start; | |
1164 | requested_sector_end = read_thread_sector_end; | |
1165 | read_thread_sector_start = -1; | |
1166 | read_thread_sector_end = -1; | |
1167 | pthread_cond_signal(&read_thread_msg_done); | |
1168 | } | |
1169 | ||
1170 | pthread_mutex_unlock(&read_thread_msg_lock); | |
1171 | ||
1172 | if (!read_thread_running) | |
1173 | break; | |
1174 | ||
1175 | // Readahead code, based on the implementation in mednafen psx's cdromif.cpp | |
1176 | if (requested_sector_start != -1) { | |
1177 | if (last_read_sector != -1 && last_read_sector == (requested_sector_start - 1)) { | |
1178 | how_far_ahead = ra_sector - requested_sector_end; | |
1179 | ||
1180 | if(how_far_ahead <= max_ra) | |
1181 | ra_count = (max_ra - how_far_ahead + 1 ? max_ra - how_far_ahead + 1 : speedmult_ra); | |
1182 | else | |
1183 | ra_count++; | |
1184 | } else if (requested_sector_end != last_read_sector) { | |
1185 | ra_sector = requested_sector_end; | |
1186 | ra_count = initial_ra; | |
1187 | } | |
1188 | ||
1189 | last_read_sector = requested_sector_end; | |
1190 | } | |
1191 | ||
00e69290 JW |
1192 | index = ra_sector % SECTOR_BUFFER_SIZE; |
1193 | ||
679b71e2 JW |
1194 | // check for end of CD |
1195 | if (ra_count && ra_sector >= max_sector) { | |
1196 | ra_count = 0; | |
00e69290 JW |
1197 | pthread_mutex_lock(§orbuffer_lock); |
1198 | sectorbuffer[index].ret = -1; | |
1199 | sectorbuffer[index].sector = ra_sector; | |
1200 | pthread_cond_signal(§orbuffer_cond); | |
1201 | pthread_mutex_unlock(§orbuffer_lock); | |
679b71e2 JW |
1202 | } |
1203 | ||
1204 | if (ra_count) { | |
679b71e2 JW |
1205 | pthread_mutex_lock(§orbuffer_lock); |
1206 | if (sectorbuffer[index].sector != ra_sector) { | |
1207 | pthread_mutex_unlock(§orbuffer_lock); | |
1208 | ||
1209 | ret = sync_cdimg_read_func(cdHandle, 0, tmpdata, ra_sector); | |
1210 | ||
1211 | pthread_mutex_lock(§orbuffer_lock); | |
1212 | sectorbuffer[index].ret = ret; | |
1213 | sectorbuffer[index].sector = ra_sector; | |
1214 | memcpy(sectorbuffer[index].data, tmpdata, CD_FRAMESIZE_RAW); | |
1215 | } | |
1216 | pthread_cond_signal(§orbuffer_cond); | |
1217 | pthread_mutex_unlock(§orbuffer_lock); | |
1218 | ||
1219 | ra_sector++; | |
1220 | ra_count--; | |
1221 | } | |
1222 | } | |
1223 | ||
1224 | return NULL; | |
1225 | } | |
1226 | ||
1227 | static void readThreadStop() { | |
1228 | if (read_thread_running == TRUE) { | |
1229 | read_thread_running = FALSE; | |
1230 | pthread_cond_signal(&read_thread_msg_avail); | |
1231 | pthread_join(read_thread_id, NULL); | |
1232 | } | |
1233 | ||
1234 | pthread_cond_destroy(&read_thread_msg_done); | |
1235 | pthread_cond_destroy(&read_thread_msg_avail); | |
1236 | pthread_mutex_destroy(&read_thread_msg_lock); | |
1237 | ||
1238 | pthread_cond_destroy(§orbuffer_cond); | |
1239 | pthread_mutex_destroy(§orbuffer_lock); | |
1240 | ||
1241 | CDR_getBuffer = sync_CDR_getBuffer; | |
1242 | cdimg_read_func = sync_cdimg_read_func; | |
1243 | ||
1244 | free(sectorbuffer); | |
1245 | sectorbuffer = NULL; | |
1246 | } | |
1247 | ||
1248 | static void readThreadStart() { | |
1249 | SysPrintf("Starting async CD thread\n"); | |
1250 | ||
1251 | if (read_thread_running == TRUE) | |
1252 | return; | |
1253 | ||
1254 | read_thread_running = TRUE; | |
1255 | read_thread_sector_start = -1; | |
1256 | read_thread_sector_end = -1; | |
1257 | sectorbuffer_index = 0; | |
1258 | ||
1259 | sectorbuffer = calloc(SECTOR_BUFFER_SIZE, sizeof(SectorBufferEntry)); | |
1260 | if(!sectorbuffer) | |
1261 | goto error; | |
1262 | ||
1263 | sectorbuffer[0].sector = -1; // Otherwise we might think we've already fetched sector 0! | |
1264 | ||
1265 | sync_CDR_getBuffer = CDR_getBuffer; | |
1266 | CDR_getBuffer = ISOgetBuffer_async; | |
1267 | sync_cdimg_read_func = cdimg_read_func; | |
1268 | cdimg_read_func = cdread_async; | |
1269 | ||
1270 | if (pthread_cond_init(&read_thread_msg_avail, NULL) || | |
1271 | pthread_cond_init(&read_thread_msg_done, NULL) || | |
1272 | pthread_mutex_init(&read_thread_msg_lock, NULL) || | |
1273 | pthread_cond_init(§orbuffer_cond, NULL) || | |
1274 | pthread_mutex_init(§orbuffer_lock, NULL) || | |
1275 | pthread_create(&read_thread_id, NULL, readThreadMain, NULL)) | |
1276 | goto error; | |
1277 | ||
1278 | return; | |
1279 | ||
1280 | error: | |
1281 | SysPrintf("Error starting async CD thread\n"); | |
1282 | SysPrintf("Falling back to sync\n"); | |
1283 | ||
1284 | readThreadStop(); | |
1285 | } | |
1286 | #endif | |
1287 | ||
77160d47 | 1288 | static int cdread_normal(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1289 | { |
0eacae49 | 1290 | int ret; |
037a5c7a | 1291 | if (!f) |
1292 | return -1; | |
1293 | if (fseeko(f, base + sector * CD_FRAMESIZE_RAW, SEEK_SET)) | |
0eacae49 | 1294 | goto fail_io; |
1295 | ret = fread(dest, 1, CD_FRAMESIZE_RAW, f); | |
1296 | if (ret <= 0) | |
1297 | goto fail_io; | |
1298 | return ret; | |
1299 | ||
1300 | fail_io: | |
1301 | // often happens in cdda gaps of a split cue/bin, so not logged | |
1302 | //SysPrintf("File IO error %d, base %u, sector %u\n", errno, base, sector); | |
1303 | return -1; | |
9a92bffb | 1304 | } |
1305 | ||
77160d47 | 1306 | static int cdread_sub_mixed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1307 | { |
1308 | int ret; | |
1309 | ||
037a5c7a | 1310 | if (!f) |
1311 | return -1; | |
1312 | if (fseeko(f, base + sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET)) | |
0eacae49 | 1313 | goto fail_io; |
81abe4d5 | 1314 | ret = fread(dest, 1, CD_FRAMESIZE_RAW, f); |
0eacae49 | 1315 | if (ret <= 0) |
1316 | goto fail_io; | |
1317 | return ret; | |
1318 | ||
1319 | fail_io: | |
1320 | //SysPrintf("File IO error %d, base %u, sector %u\n", errno, base, sector); | |
1321 | return -1; | |
1322 | } | |
1323 | ||
1324 | static int cdread_sub_sub_mixed(FILE *f, int sector) | |
1325 | { | |
037a5c7a | 1326 | if (!f) |
1327 | return -1; | |
1328 | if (fseeko(f, sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE) + CD_FRAMESIZE_RAW, SEEK_SET)) | |
0eacae49 | 1329 | goto fail_io; |
9361a5aa EC |
1330 | if (fread(subbuffer, 1, SUB_FRAMESIZE, f) != SUB_FRAMESIZE) |
1331 | goto fail_io; | |
9a92bffb | 1332 | |
0eacae49 | 1333 | return SUB_FRAMESIZE; |
9361a5aa EC |
1334 | |
1335 | fail_io: | |
0eacae49 | 1336 | SysPrintf("subchannel: file IO error %d, sector %u\n", errno, sector); |
1337 | return -1; | |
9a92bffb | 1338 | } |
1339 | ||
2dd6a826 | 1340 | static int uncompress2_pcsx(void *out, unsigned long *out_size, void *in, unsigned long in_size) |
9a92bffb | 1341 | { |
1342 | static z_stream z; | |
1343 | int ret = 0; | |
1344 | ||
1345 | if (z.zalloc == NULL) { | |
1346 | // XXX: one-time leak here.. | |
1347 | z.next_in = Z_NULL; | |
1348 | z.avail_in = 0; | |
1349 | z.zalloc = Z_NULL; | |
1350 | z.zfree = Z_NULL; | |
1351 | z.opaque = Z_NULL; | |
1352 | ret = inflateInit2(&z, -15); | |
1353 | } | |
1354 | else | |
1355 | ret = inflateReset(&z); | |
1356 | if (ret != Z_OK) | |
1357 | return ret; | |
1358 | ||
1359 | z.next_in = in; | |
1360 | z.avail_in = in_size; | |
1361 | z.next_out = out; | |
1362 | z.avail_out = *out_size; | |
1363 | ||
1364 | ret = inflate(&z, Z_NO_FLUSH); | |
1365 | //inflateEnd(&z); | |
1366 | ||
1367 | *out_size -= z.avail_out; | |
1368 | return ret == 1 ? 0 : ret; | |
1369 | } | |
1370 | ||
77160d47 | 1371 | static int cdread_compressed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1372 | { |
0877957a | 1373 | unsigned long cdbuffer_size, cdbuffer_size_expect; |
cc376814 | 1374 | unsigned int size; |
0877957a | 1375 | int is_compressed; |
cc376814 | 1376 | off_t start_byte; |
9a92bffb | 1377 | int ret, block; |
1378 | ||
037a5c7a | 1379 | if (!cdHandle) |
1380 | return -1; | |
77160d47 | 1381 | if (base) |
1382 | sector += base / 2352; | |
1383 | ||
0877957a | 1384 | block = sector >> compr_img->block_shift; |
1385 | compr_img->sector_in_blk = sector & ((1 << compr_img->block_shift) - 1); | |
9a92bffb | 1386 | |
1387 | if (block == compr_img->current_block) { | |
1388 | //printf("hit sect %d\n", sector); | |
1389 | goto finish; | |
1390 | } | |
1391 | ||
1392 | if (sector >= compr_img->index_len * 16) { | |
f29fbd53 | 1393 | SysPrintf("sector %d is past img end\n", sector); |
9a92bffb | 1394 | return -1; |
1395 | } | |
1396 | ||
cc376814 | 1397 | start_byte = compr_img->index_table[block] & ~OFF_T_MSB; |
1398 | if (fseeko(cdHandle, start_byte, SEEK_SET) != 0) { | |
1399 | SysPrintf("seek error for block %d at %llx: ", | |
1400 | block, (long long)start_byte); | |
9a92bffb | 1401 | perror(NULL); |
1402 | return -1; | |
1403 | } | |
1404 | ||
cc376814 | 1405 | is_compressed = !(compr_img->index_table[block] & OFF_T_MSB); |
1406 | size = (compr_img->index_table[block + 1] & ~OFF_T_MSB) - start_byte; | |
9a92bffb | 1407 | if (size > sizeof(compr_img->buff_compressed)) { |
f29fbd53 | 1408 | SysPrintf("block %d is too large: %u\n", block, size); |
9a92bffb | 1409 | return -1; |
1410 | } | |
1411 | ||
0877957a | 1412 | if (fread(is_compressed ? compr_img->buff_compressed : compr_img->buff_raw[0], |
1413 | 1, size, cdHandle) != size) { | |
f29fbd53 | 1414 | SysPrintf("read error for block %d at %x: ", block, start_byte); |
9a92bffb | 1415 | perror(NULL); |
1416 | return -1; | |
1417 | } | |
1418 | ||
0877957a | 1419 | if (is_compressed) { |
1420 | cdbuffer_size_expect = sizeof(compr_img->buff_raw[0]) << compr_img->block_shift; | |
1421 | cdbuffer_size = cdbuffer_size_expect; | |
2dd6a826 | 1422 | ret = uncompress2_pcsx(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size); |
0877957a | 1423 | if (ret != 0) { |
f29fbd53 | 1424 | SysPrintf("uncompress failed with %d for block %d, sector %d\n", |
0877957a | 1425 | ret, block, sector); |
1426 | return -1; | |
1427 | } | |
1428 | if (cdbuffer_size != cdbuffer_size_expect) | |
f29fbd53 | 1429 | SysPrintf("cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size, |
0877957a | 1430 | cdbuffer_size_expect, sector); |
9a92bffb | 1431 | } |
9a92bffb | 1432 | |
1433 | // done at last! | |
1434 | compr_img->current_block = block; | |
1435 | ||
1436 | finish: | |
1437 | if (dest != cdbuffer) // copy avoid HACK | |
81abe4d5 | 1438 | memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk], |
1439 | CD_FRAMESIZE_RAW); | |
1440 | return CD_FRAMESIZE_RAW; | |
9a92bffb | 1441 | } |
1442 | ||
b0ec2e6d | 1443 | #ifdef HAVE_CHD |
aeb82099 | 1444 | static unsigned char *chd_get_sector(unsigned int current_buffer, unsigned int sector_in_hunk) |
1445 | { | |
1446 | return chd_img->buffer | |
1447 | + current_buffer * chd_img->header->hunkbytes | |
1448 | + sector_in_hunk * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE); | |
1449 | } | |
1450 | ||
ce188d4d | 1451 | static int cdread_chd(FILE *f, unsigned int base, void *dest, int sector) |
1452 | { | |
1453 | int hunk; | |
1454 | ||
f02c57ea | 1455 | sector += base; |
ce188d4d | 1456 | |
1457 | hunk = sector / chd_img->sectors_per_hunk; | |
1458 | chd_img->sector_in_hunk = sector % chd_img->sectors_per_hunk; | |
1459 | ||
aeb82099 | 1460 | if (hunk == chd_img->current_hunk[0]) |
1461 | chd_img->current_buffer = 0; | |
1462 | else if (hunk == chd_img->current_hunk[1]) | |
1463 | chd_img->current_buffer = 1; | |
1464 | else | |
055b81e1 | 1465 | { |
aeb82099 | 1466 | chd_read(chd_img->chd, hunk, chd_img->buffer + |
1467 | chd_img->current_buffer * chd_img->header->hunkbytes); | |
1468 | chd_img->current_hunk[chd_img->current_buffer] = hunk; | |
055b81e1 | 1469 | } |
ce188d4d | 1470 | |
ce188d4d | 1471 | if (dest != cdbuffer) // copy avoid HACK |
aeb82099 | 1472 | memcpy(dest, chd_get_sector(chd_img->current_buffer, chd_img->sector_in_hunk), |
ce188d4d | 1473 | CD_FRAMESIZE_RAW); |
1474 | return CD_FRAMESIZE_RAW; | |
1475 | } | |
0eacae49 | 1476 | |
1477 | static int cdread_sub_chd(FILE *f, int sector) | |
1478 | { | |
aeb82099 | 1479 | unsigned int sector_in_hunk; |
1480 | unsigned int buffer; | |
0eacae49 | 1481 | int hunk; |
1482 | ||
1483 | if (!subChanMixed) | |
1484 | return -1; | |
1485 | ||
1486 | hunk = sector / chd_img->sectors_per_hunk; | |
aeb82099 | 1487 | sector_in_hunk = sector % chd_img->sectors_per_hunk; |
0eacae49 | 1488 | |
aeb82099 | 1489 | if (hunk == chd_img->current_hunk[0]) |
1490 | buffer = 0; | |
1491 | else if (hunk == chd_img->current_hunk[1]) | |
1492 | buffer = 1; | |
1493 | else | |
0eacae49 | 1494 | { |
aeb82099 | 1495 | buffer = chd_img->current_buffer ^ 1; |
1496 | chd_read(chd_img->chd, hunk, chd_img->buffer + | |
1497 | buffer * chd_img->header->hunkbytes); | |
1498 | chd_img->current_hunk[buffer] = hunk; | |
0eacae49 | 1499 | } |
1500 | ||
aeb82099 | 1501 | memcpy(subbuffer, chd_get_sector(buffer, sector_in_hunk) + CD_FRAMESIZE_RAW, SUB_FRAMESIZE); |
0eacae49 | 1502 | return SUB_FRAMESIZE; |
1503 | } | |
b0ec2e6d | 1504 | #endif |
5b568098 | 1505 | |
77160d47 | 1506 | static int cdread_2048(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1507 | { |
1508 | int ret; | |
1509 | ||
037a5c7a | 1510 | if (!f) |
1511 | return -1; | |
1512 | fseeko(f, base + sector * 2048, SEEK_SET); | |
81abe4d5 | 1513 | ret = fread((char *)dest + 12 * 2, 1, 2048, f); |
9a92bffb | 1514 | |
1515 | // not really necessary, fake mode 2 header | |
81abe4d5 | 1516 | memset(cdbuffer, 0, 12 * 2); |
1517 | sec2msf(sector + 2 * 75, (char *)&cdbuffer[12]); | |
1518 | cdbuffer[12 + 3] = 1; | |
9a92bffb | 1519 | |
1f665cdd | 1520 | return 12*2 + ret; |
9a92bffb | 1521 | } |
1522 | ||
78bb116f | 1523 | #if USE_READ_THREAD |
679b71e2 JW |
1524 | |
1525 | static int cdread_async(FILE *f, unsigned int base, void *dest, int sector) { | |
1526 | boolean found = FALSE; | |
1527 | int i = sector % SECTOR_BUFFER_SIZE; | |
1528 | long ret; | |
1529 | ||
1530 | if (f != cdHandle || base != 0 || dest != cdbuffer) { | |
1531 | // Async reads are only supported for cdbuffer, so call the sync | |
1532 | // function directly. | |
1533 | return sync_cdimg_read_func(f, base, dest, sector); | |
1534 | } | |
1535 | ||
1536 | pthread_mutex_lock(&read_thread_msg_lock); | |
1537 | ||
1538 | // Only wait if we're not trying to read the next sector and | |
1539 | // sector_start is set (meaning the last request hasn't been | |
1540 | // processed yet) | |
1541 | while(read_thread_sector_start != -1 && read_thread_sector_end + 1 != sector) { | |
1542 | pthread_cond_wait(&read_thread_msg_done, &read_thread_msg_lock); | |
1543 | } | |
1544 | ||
1545 | if (read_thread_sector_start == -1) | |
1546 | read_thread_sector_start = sector; | |
1547 | ||
1548 | read_thread_sector_end = sector; | |
1549 | pthread_cond_signal(&read_thread_msg_avail); | |
1550 | pthread_mutex_unlock(&read_thread_msg_lock); | |
1551 | ||
1552 | do { | |
1553 | pthread_mutex_lock(§orbuffer_lock); | |
1554 | if (sectorbuffer[i].sector == sector) { | |
1555 | sectorbuffer_index = i; | |
1556 | ret = sectorbuffer[i].ret; | |
1557 | found = TRUE; | |
1558 | } | |
1559 | ||
1560 | if (!found) { | |
1561 | pthread_cond_wait(§orbuffer_cond, §orbuffer_lock); | |
1562 | } | |
1563 | pthread_mutex_unlock(§orbuffer_lock); | |
1564 | } while (!found); | |
1565 | ||
1566 | return ret; | |
1567 | } | |
1568 | ||
1569 | #endif | |
1570 | ||
9a92bffb | 1571 | static unsigned char * CALLBACK ISOgetBuffer_compr(void) { |
1572 | return compr_img->buff_raw[compr_img->sector_in_blk] + 12; | |
1573 | } | |
1574 | ||
b0ec2e6d | 1575 | #ifdef HAVE_CHD |
ce188d4d | 1576 | static unsigned char * CALLBACK ISOgetBuffer_chd(void) { |
aeb82099 | 1577 | return chd_get_sector(chd_img->current_buffer, chd_img->sector_in_hunk) + 12; |
ce188d4d | 1578 | } |
b0ec2e6d | 1579 | #endif |
ce188d4d | 1580 | |
78bb116f | 1581 | #if USE_READ_THREAD |
679b71e2 JW |
1582 | static unsigned char * CALLBACK ISOgetBuffer_async(void) { |
1583 | unsigned char *buffer; | |
1584 | pthread_mutex_lock(§orbuffer_lock); | |
1585 | buffer = sectorbuffer[sectorbuffer_index].data; | |
1586 | pthread_mutex_unlock(§orbuffer_lock); | |
1587 | return buffer + 12; | |
1588 | } | |
679b71e2 JW |
1589 | #endif |
1590 | ||
58824199 | 1591 | unsigned char * CALLBACK ISOgetBuffer(void) { |
81abe4d5 | 1592 | return cdbuffer + 12; |
9a92bffb | 1593 | } |
1594 | ||
ef79bbde P |
1595 | static void PrintTracks(void) { |
1596 | int i; | |
1597 | ||
1598 | for (i = 1; i <= numtracks; i++) { | |
1599 | SysPrintf(_("Track %.2d (%s) - Start %.2d:%.2d:%.2d, Length %.2d:%.2d:%.2d\n"), | |
9dca6543 | 1600 | i, (ti[i].type == DATA ? "DATA" : |
1601 | (ti[i].type == CDDA ? "AUDIO" : "UNKNOWN")), | |
ef79bbde P |
1602 | ti[i].start[0], ti[i].start[1], ti[i].start[2], |
1603 | ti[i].length[0], ti[i].length[1], ti[i].length[2]); | |
1604 | } | |
1605 | } | |
1606 | ||
1607 | // This function is invoked by the front-end when opening an ISO | |
1608 | // file for playback | |
1609 | static long CALLBACK ISOopen(void) { | |
9a92bffb | 1610 | boolean isMode1ISO = FALSE; |
689e0447 | 1611 | char alt_bin_filename[MAXPATHLEN]; |
1612 | const char *bin_filename; | |
75d5614b | 1613 | char image_str[1024]; |
037a5c7a | 1614 | off_t size_main; |
9a92bffb | 1615 | |
037a5c7a | 1616 | if (cdHandle || chd_img) { |
ef79bbde P |
1617 | return 0; // it's already open |
1618 | } | |
1619 | ||
226a5691 | 1620 | cdHandle = fopen(GetIsoFile(), "rb"); |
ef79bbde | 1621 | if (cdHandle == NULL) { |
2e058581 | 1622 | SysPrintf(_("Could't open '%s' for reading: %s\n"), |
1623 | GetIsoFile(), strerror(errno)); | |
ef79bbde P |
1624 | return -1; |
1625 | } | |
037a5c7a | 1626 | size_main = get_size(cdHandle); |
ef79bbde | 1627 | |
75d5614b | 1628 | snprintf(image_str, sizeof(image_str) - 6*4 - 1, |
1629 | "Loaded CD Image: %s", GetIsoFile()); | |
ef79bbde P |
1630 | |
1631 | cddaBigEndian = FALSE; | |
1632 | subChanMixed = FALSE; | |
1633 | subChanRaw = FALSE; | |
8aa91443 | 1634 | pregapOffset = 0; |
0c2871a7 | 1635 | cdrIsoMultidiskCount = 1; |
deebc67f | 1636 | multifile = 0; |
ef79bbde | 1637 | |
9a92bffb | 1638 | CDR_getBuffer = ISOgetBuffer; |
1639 | cdimg_read_func = cdread_normal; | |
0eacae49 | 1640 | cdimg_read_sub_func = NULL; |
9a92bffb | 1641 | |
92f43ab0 | 1642 | if (parsetoc(GetIsoFile()) == 0) { |
208177a7 | 1643 | strcat(image_str, "[+toc]"); |
ef79bbde P |
1644 | } |
1645 | else if (parseccd(GetIsoFile()) == 0) { | |
208177a7 | 1646 | strcat(image_str, "[+ccd]"); |
ef79bbde P |
1647 | } |
1648 | else if (parsemds(GetIsoFile()) == 0) { | |
208177a7 | 1649 | strcat(image_str, "[+mds]"); |
ef79bbde | 1650 | } |
92f43ab0 | 1651 | else if (parsecue(GetIsoFile()) == 0) { |
208177a7 | 1652 | strcat(image_str, "[+cue]"); |
92f43ab0 | 1653 | } |
0877957a | 1654 | if (handlepbp(GetIsoFile()) == 0) { |
208177a7 | 1655 | strcat(image_str, "[+pbp]"); |
9a92bffb | 1656 | CDR_getBuffer = ISOgetBuffer_compr; |
1657 | cdimg_read_func = cdread_compressed; | |
1658 | } | |
0877957a | 1659 | else if (handlecbin(GetIsoFile()) == 0) { |
208177a7 | 1660 | strcat(image_str, "[+cbin]"); |
0877957a | 1661 | CDR_getBuffer = ISOgetBuffer_compr; |
1662 | cdimg_read_func = cdread_compressed; | |
1663 | } | |
b0ec2e6d | 1664 | #ifdef HAVE_CHD |
ce188d4d | 1665 | else if (handlechd(GetIsoFile()) == 0) { |
208177a7 | 1666 | strcat(image_str, "[+chd]"); |
ce188d4d | 1667 | CDR_getBuffer = ISOgetBuffer_chd; |
1668 | cdimg_read_func = cdread_chd; | |
0eacae49 | 1669 | cdimg_read_sub_func = cdread_sub_chd; |
037a5c7a | 1670 | fclose(cdHandle); |
1671 | cdHandle = NULL; | |
ce188d4d | 1672 | } |
b0ec2e6d | 1673 | #endif |
ef79bbde P |
1674 | |
1675 | if (!subChanMixed && opensubfile(GetIsoFile()) == 0) { | |
208177a7 | 1676 | strcat(image_str, "[+sub]"); |
ef79bbde | 1677 | } |
ae4e7dc9 | 1678 | if (opensbifile(GetIsoFile()) == 0) { |
208177a7 | 1679 | strcat(image_str, "[+sbi]"); |
ae4e7dc9 | 1680 | } |
ef79bbde | 1681 | |
c9e5423e | 1682 | // maybe user selected metadata file instead of main .bin .. |
689e0447 | 1683 | bin_filename = GetIsoFile(); |
037a5c7a | 1684 | if (cdHandle && size_main < 2352 * 0x10) { |
c9e5423e | 1685 | static const char *exts[] = { ".bin", ".BIN", ".img", ".IMG" }; |
689e0447 | 1686 | FILE *tmpf = NULL; |
c9e5423e | 1687 | size_t i; |
689e0447 | 1688 | char *p; |
c9e5423e | 1689 | |
689e0447 | 1690 | strncpy(alt_bin_filename, bin_filename, sizeof(alt_bin_filename)); |
1691 | alt_bin_filename[MAXPATHLEN - 1] = '\0'; | |
1692 | if (strlen(alt_bin_filename) >= 4) { | |
1693 | p = alt_bin_filename + strlen(alt_bin_filename) - 4; | |
c9e5423e | 1694 | for (i = 0; i < sizeof(exts) / sizeof(exts[0]); i++) { |
1695 | strcpy(p, exts[i]); | |
226a5691 | 1696 | tmpf = fopen(alt_bin_filename, "rb"); |
689e0447 | 1697 | if (tmpf != NULL) |
c9e5423e | 1698 | break; |
c9e5423e | 1699 | } |
1700 | } | |
689e0447 | 1701 | if (tmpf != NULL) { |
1702 | bin_filename = alt_bin_filename; | |
1703 | fclose(cdHandle); | |
1704 | cdHandle = tmpf; | |
037a5c7a | 1705 | size_main = get_size(cdHandle); |
689e0447 | 1706 | } |
c9e5423e | 1707 | } |
1708 | ||
1709 | // guess whether it is mode1/2048 | |
037a5c7a | 1710 | if (cdHandle && cdimg_read_func == cdread_normal && size_main % 2048 == 0) { |
9a92bffb | 1711 | unsigned int modeTest = 0; |
4f0c5e3f | 1712 | if (!fread(&modeTest, sizeof(modeTest), 1, cdHandle)) { |
9361a5aa | 1713 | SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__); |
9361a5aa | 1714 | } |
9a92bffb | 1715 | if (SWAP32(modeTest) != 0xffffff00) { |
208177a7 | 1716 | strcat(image_str, "[2048]"); |
9a92bffb | 1717 | isMode1ISO = TRUE; |
1718 | } | |
1719 | } | |
9a92bffb | 1720 | |
208177a7 | 1721 | SysPrintf("%s.\n", image_str); |
ef79bbde P |
1722 | |
1723 | PrintTracks(); | |
1724 | ||
7e49a25d | 1725 | if (subChanMixed && cdimg_read_func == cdread_normal) { |
9a92bffb | 1726 | cdimg_read_func = cdread_sub_mixed; |
0eacae49 | 1727 | cdimg_read_sub_func = cdread_sub_sub_mixed; |
1728 | } | |
1729 | else if (isMode1ISO) { | |
9a92bffb | 1730 | cdimg_read_func = cdread_2048; |
0eacae49 | 1731 | cdimg_read_sub_func = NULL; |
1732 | } | |
9a92bffb | 1733 | |
037a5c7a | 1734 | if (Config.AsyncCD) { |
1735 | readThreadStart(); | |
38b8102c | 1736 | } |
ef79bbde P |
1737 | return 0; |
1738 | } | |
1739 | ||
1740 | static long CALLBACK ISOclose(void) { | |
38b8102c | 1741 | int i; |
1742 | ||
ef79bbde P |
1743 | if (cdHandle != NULL) { |
1744 | fclose(cdHandle); | |
1745 | cdHandle = NULL; | |
1746 | } | |
1747 | if (subHandle != NULL) { | |
1748 | fclose(subHandle); | |
1749 | subHandle = NULL; | |
1750 | } | |
38b8102c | 1751 | cddaHandle = NULL; |
1752 | ||
9a92bffb | 1753 | if (compr_img != NULL) { |
1754 | free(compr_img->index_table); | |
1755 | free(compr_img); | |
1756 | compr_img = NULL; | |
1757 | } | |
1758 | ||
b0ec2e6d | 1759 | #ifdef HAVE_CHD |
ce188d4d | 1760 | if (chd_img != NULL) { |
1761 | chd_close(chd_img->chd); | |
1762 | free(chd_img->buffer); | |
1763 | free(chd_img); | |
1764 | chd_img = NULL; | |
1765 | } | |
b0ec2e6d | 1766 | #endif |
ce188d4d | 1767 | |
38b8102c | 1768 | for (i = 1; i <= numtracks; i++) { |
1769 | if (ti[i].handle != NULL) { | |
1770 | fclose(ti[i].handle); | |
1771 | ti[i].handle = NULL; | |
1772 | } | |
1773 | } | |
1774 | numtracks = 0; | |
c0ee7ac6 | 1775 | ti[1].type = 0; |
ae4e7dc9 | 1776 | UnloadSBI(); |
38b8102c | 1777 | |
c0ee7ac6 | 1778 | memset(cdbuffer, 0, sizeof(cdbuffer)); |
1779 | CDR_getBuffer = ISOgetBuffer; | |
1780 | ||
49942a16 | 1781 | if (Config.AsyncCD) { |
1782 | readThreadStop(); | |
1783 | } | |
1784 | ||
38b8102c | 1785 | return 0; |
1786 | } | |
1787 | ||
1788 | static long CALLBACK ISOinit(void) { | |
1789 | assert(cdHandle == NULL); | |
1790 | assert(subHandle == NULL); | |
1791 | ||
1792 | return 0; // do nothing | |
1793 | } | |
1794 | ||
1795 | static long CALLBACK ISOshutdown(void) { | |
1796 | ISOclose(); | |
ef79bbde P |
1797 | return 0; |
1798 | } | |
1799 | ||
1800 | // return Starting and Ending Track | |
1801 | // buffer: | |
1802 | // byte 0 - start track | |
1803 | // byte 1 - end track | |
1804 | static long CALLBACK ISOgetTN(unsigned char *buffer) { | |
1805 | buffer[0] = 1; | |
1806 | ||
1807 | if (numtracks > 0) { | |
1808 | buffer[1] = numtracks; | |
1809 | } | |
1810 | else { | |
1811 | buffer[1] = 1; | |
1812 | } | |
1813 | ||
1814 | return 0; | |
1815 | } | |
1816 | ||
1817 | // return Track Time | |
1818 | // buffer: | |
1819 | // byte 0 - frame | |
1820 | // byte 1 - second | |
1821 | // byte 2 - minute | |
1822 | static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) { | |
858ad511 | 1823 | if (track == 0) { |
858ad511 | 1824 | unsigned int sect; |
1825 | unsigned char time[3]; | |
1826 | sect = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length); | |
ab948f7e | 1827 | sec2msf(sect, (char *)time); |
858ad511 | 1828 | buffer[2] = time[0]; |
1829 | buffer[1] = time[1]; | |
1830 | buffer[0] = time[2]; | |
1831 | } | |
1832 | else if (numtracks > 0 && track <= numtracks) { | |
ef79bbde P |
1833 | buffer[2] = ti[track].start[0]; |
1834 | buffer[1] = ti[track].start[1]; | |
1835 | buffer[0] = ti[track].start[2]; | |
1836 | } | |
1837 | else { | |
1838 | buffer[2] = 0; | |
1839 | buffer[1] = 2; | |
1840 | buffer[0] = 0; | |
1841 | } | |
1842 | ||
1843 | return 0; | |
1844 | } | |
1845 | ||
1846 | // decode 'raw' subchannel data ripped by cdrdao | |
1847 | static void DecodeRawSubData(void) { | |
1848 | unsigned char subQData[12]; | |
1849 | int i; | |
1850 | ||
1851 | memset(subQData, 0, sizeof(subQData)); | |
1852 | ||
1853 | for (i = 0; i < 8 * 12; i++) { | |
1854 | if (subbuffer[i] & (1 << 6)) { // only subchannel Q is needed | |
1855 | subQData[i >> 3] |= (1 << (7 - (i & 7))); | |
1856 | } | |
1857 | } | |
1858 | ||
1859 | memcpy(&subbuffer[12], subQData, 12); | |
1860 | } | |
1861 | ||
1862 | // read track | |
1863 | // time: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1864 | // uses bcd format | |
d2e271b2 | 1865 | static boolean CALLBACK ISOreadTrack(unsigned char *time) { |
19c03d80 | 1866 | int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])); |
c0ee7ac6 | 1867 | long ret; |
19c03d80 | 1868 | |
037a5c7a | 1869 | if (!cdHandle && !chd_img) |
d2e271b2 | 1870 | return 0; |
ef79bbde | 1871 | |
0eacae49 | 1872 | if (pregapOffset && sector >= pregapOffset) |
1873 | sector -= 2 * 75; | |
8aa91443 | 1874 | |
c0ee7ac6 | 1875 | ret = cdimg_read_func(cdHandle, 0, cdbuffer, sector); |
1f665cdd | 1876 | if (ret < 12*2 + 2048) |
d2e271b2 | 1877 | return 0; |
ef79bbde | 1878 | |
d2e271b2 | 1879 | return 1; |
ef79bbde P |
1880 | } |
1881 | ||
ef79bbde P |
1882 | // plays cdda audio |
1883 | // sector: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1884 | // does NOT uses bcd format | |
2e88c317 | 1885 | static long CALLBACK ISOplay(unsigned char *time) { |
ef79bbde P |
1886 | return 0; |
1887 | } | |
1888 | ||
1889 | // stops cdda audio | |
1890 | static long CALLBACK ISOstop(void) { | |
ef79bbde P |
1891 | return 0; |
1892 | } | |
1893 | ||
1894 | // gets subchannel data | |
0eacae49 | 1895 | static unsigned char* CALLBACK ISOgetBufferSub(int sector) { |
1896 | if (pregapOffset && sector >= pregapOffset) { | |
1897 | sector -= 2 * 75; | |
1898 | if (sector < pregapOffset) // ? | |
1899 | return NULL; | |
ef79bbde P |
1900 | } |
1901 | ||
0eacae49 | 1902 | if (cdimg_read_sub_func != NULL) { |
1903 | if (cdimg_read_sub_func(cdHandle, sector) != SUB_FRAMESIZE) | |
1904 | return NULL; | |
1905 | } | |
1906 | else if (subHandle != NULL) { | |
037a5c7a | 1907 | if (fseeko(subHandle, sector * SUB_FRAMESIZE, SEEK_SET)) |
0eacae49 | 1908 | return NULL; |
1909 | if (fread(subbuffer, 1, SUB_FRAMESIZE, subHandle) != SUB_FRAMESIZE) | |
1910 | return NULL; | |
1911 | } | |
1912 | else { | |
1913 | return NULL; | |
1914 | } | |
1915 | ||
1916 | if (subChanRaw) DecodeRawSubData(); | |
1917 | return subbuffer; | |
ef79bbde P |
1918 | } |
1919 | ||
1920 | static long CALLBACK ISOgetStatus(struct CdrStat *stat) { | |
ef79bbde | 1921 | CDR__getStatus(stat); |
deebc67f | 1922 | |
9dca6543 | 1923 | // BIOS - boot ID (CD type) |
1924 | stat->Type = ti[1].type; | |
deebc67f | 1925 | |
1926 | return 0; | |
1927 | } | |
1928 | ||
1929 | // read CDDA sector into buffer | |
1930 | long CALLBACK ISOreadCDDA(unsigned char m, unsigned char s, unsigned char f, unsigned char *buffer) { | |
1931 | unsigned char msf[3] = {m, s, f}; | |
037a5c7a | 1932 | unsigned int track, track_start = 0; |
1933 | FILE *handle = cdHandle; | |
9dca6543 | 1934 | unsigned int cddaCurPos; |
deebc67f | 1935 | int ret; |
1936 | ||
1937 | cddaCurPos = msf2sec((char *)msf); | |
1938 | ||
1939 | // find current track index | |
1940 | for (track = numtracks; ; track--) { | |
1941 | track_start = msf2sec(ti[track].start); | |
1942 | if (track_start <= cddaCurPos) | |
1943 | break; | |
1944 | if (track == 1) | |
1945 | break; | |
1946 | } | |
1947 | ||
1948 | // data tracks play silent | |
1949 | if (ti[track].type != CDDA) { | |
1950 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
1951 | return 0; | |
1952 | } | |
1953 | ||
deebc67f | 1954 | if (multifile) { |
1955 | // find the file that contains this track | |
037a5c7a | 1956 | unsigned int file; |
1957 | for (file = track; file > 1; file--) { | |
1958 | if (ti[file].handle != NULL) { | |
1959 | handle = ti[file].handle; | |
deebc67f | 1960 | break; |
037a5c7a | 1961 | } |
1962 | } | |
1963 | } | |
04e7281c | 1964 | if (!handle && !chd_img) { |
037a5c7a | 1965 | memset(buffer, 0, CD_FRAMESIZE_RAW); |
1966 | return -1; | |
ef79bbde P |
1967 | } |
1968 | ||
037a5c7a | 1969 | ret = cdimg_read_func(handle, ti[track].start_offset, |
deebc67f | 1970 | buffer, cddaCurPos - track_start); |
1971 | if (ret != CD_FRAMESIZE_RAW) { | |
1972 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
1973 | return -1; | |
1974 | } | |
1975 | ||
1976 | if (cddaBigEndian) { | |
1977 | int i; | |
1978 | unsigned char tmp; | |
1979 | ||
1980 | for (i = 0; i < CD_FRAMESIZE_RAW / 2; i++) { | |
1981 | tmp = buffer[i * 2]; | |
1982 | buffer[i * 2] = buffer[i * 2 + 1]; | |
1983 | buffer[i * 2 + 1] = tmp; | |
1984 | } | |
1985 | } | |
858ad511 | 1986 | |
ef79bbde P |
1987 | return 0; |
1988 | } | |
1989 | ||
1990 | void cdrIsoInit(void) { | |
1991 | CDR_init = ISOinit; | |
1992 | CDR_shutdown = ISOshutdown; | |
1993 | CDR_open = ISOopen; | |
1994 | CDR_close = ISOclose; | |
1995 | CDR_getTN = ISOgetTN; | |
1996 | CDR_getTD = ISOgetTD; | |
1997 | CDR_readTrack = ISOreadTrack; | |
1998 | CDR_getBuffer = ISOgetBuffer; | |
1999 | CDR_play = ISOplay; | |
2000 | CDR_stop = ISOstop; | |
2001 | CDR_getBufferSub = ISOgetBufferSub; | |
2002 | CDR_getStatus = ISOgetStatus; | |
deebc67f | 2003 | CDR_readCDDA = ISOreadCDDA; |
ef79bbde P |
2004 | |
2005 | CDR_getDriveLetter = CDR__getDriveLetter; | |
2006 | CDR_configure = CDR__configure; | |
2007 | CDR_test = CDR__test; | |
2008 | CDR_about = CDR__about; | |
2009 | CDR_setfilename = CDR__setfilename; | |
36f2c1fa | 2010 | CDR_prefetch = CDR__prefetch; |
ef79bbde P |
2011 | |
2012 | numtracks = 0; | |
2013 | } | |
2014 | ||
2015 | int cdrIsoActive(void) { | |
037a5c7a | 2016 | return (cdHandle || chd_img); |
ef79bbde | 2017 | } |