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