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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 |
ce188d4d | 31 | #include <chd.h> |
b0ec2e6d | 32 | #endif |
f9fb1cf7 | 33 | |
ef79bbde | 34 | #ifdef _WIN32 |
003cfc63 | 35 | #define WIN32_LEAN_AND_MEAN |
ef79bbde P |
36 | #include <process.h> |
37 | #include <windows.h> | |
deebc67f | 38 | #define strcasecmp _stricmp |
ce36c10b | 39 | #define usleep(x) (Sleep((x) / 1000)) |
ef79bbde P |
40 | #else |
41 | #include <pthread.h> | |
42 | #include <sys/time.h> | |
349f7d81 | 43 | #include <unistd.h> |
ef79bbde P |
44 | #endif |
45 | ||
226a5691 | 46 | #ifdef USE_LIBRETRO_VFS |
47 | #include <streams/file_stream_transforms.h> | |
48 | #undef fseeko | |
49 | #undef ftello | |
50 | #define ftello rftell | |
51 | #define fseeko rfseek | |
52 | #endif | |
9361a5aa | 53 | |
cc376814 | 54 | #define OFF_T_MSB ((off_t)1 << (sizeof(off_t) * 8 - 1)) |
55 | ||
0c2871a7 | 56 | unsigned int cdrIsoMultidiskCount; |
57 | unsigned int cdrIsoMultidiskSelect; | |
58 | ||
ef79bbde P |
59 | static FILE *cdHandle = NULL; |
60 | static FILE *cddaHandle = NULL; | |
61 | static FILE *subHandle = NULL; | |
62 | ||
63 | static boolean subChanMixed = FALSE; | |
64 | static boolean subChanRaw = FALSE; | |
8aa91443 | 65 | static boolean subChanMissing = FALSE; |
ef79bbde | 66 | |
deebc67f | 67 | static boolean multifile = FALSE; |
68 | ||
81abe4d5 | 69 | static unsigned char cdbuffer[CD_FRAMESIZE_RAW]; |
ef79bbde P |
70 | static unsigned char subbuffer[SUB_FRAMESIZE]; |
71 | ||
72 | static unsigned char sndbuffer[CD_FRAMESIZE_RAW * 10]; | |
73 | ||
74 | #define CDDA_FRAMETIME (1000 * (sizeof(sndbuffer) / CD_FRAMESIZE_RAW) / 75) | |
75 | ||
76 | #ifdef _WIN32 | |
77 | static HANDLE threadid; | |
78 | #else | |
79 | static pthread_t threadid; | |
80 | #endif | |
81 | static unsigned int initial_offset = 0; | |
38b8102c | 82 | static boolean playing = FALSE; |
ef79bbde | 83 | static boolean cddaBigEndian = FALSE; |
77160d47 | 84 | // cdda sectors in toc, byte offset in file |
9a92bffb | 85 | static unsigned int cdda_cur_sector; |
2058d51f | 86 | static unsigned int cdda_first_sector; |
77160d47 | 87 | static unsigned int cdda_file_offset; |
8aa91443 | 88 | /* Frame offset into CD image where pregap data would be found if it was there. |
89 | * If a game seeks there we must *not* return subchannel data since it's | |
90 | * not in the CD image, so that cdrom code can fake subchannel data instead. | |
91 | * XXX: there could be multiple pregaps but PSX dumps only have one? */ | |
92 | static unsigned int pregapOffset; | |
ef79bbde | 93 | |
deebc67f | 94 | #define cddaCurPos cdda_cur_sector |
95 | ||
9a92bffb | 96 | // compressed image stuff |
97 | static struct { | |
98 | unsigned char buff_raw[16][CD_FRAMESIZE_RAW]; | |
99 | unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100]; | |
cc376814 | 100 | off_t *index_table; |
9a92bffb | 101 | unsigned int index_len; |
0877957a | 102 | unsigned int block_shift; |
9a92bffb | 103 | unsigned int current_block; |
104 | unsigned int sector_in_blk; | |
105 | } *compr_img; | |
106 | ||
b0ec2e6d | 107 | #ifdef HAVE_CHD |
ce188d4d | 108 | static struct { |
109 | unsigned char (*buffer)[CD_FRAMESIZE_RAW + SUB_FRAMESIZE]; | |
110 | chd_file* chd; | |
111 | const chd_header* header; | |
112 | unsigned int sectors_per_hunk; | |
113 | unsigned int current_hunk; | |
114 | unsigned int sector_in_hunk; | |
115 | } *chd_img; | |
b0ec2e6d | 116 | #endif |
ce188d4d | 117 | |
77160d47 | 118 | int (*cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector); |
9a92bffb | 119 | |
ef79bbde P |
120 | char* CALLBACK CDR__getDriveLetter(void); |
121 | long CALLBACK CDR__configure(void); | |
122 | long CALLBACK CDR__test(void); | |
123 | void CALLBACK CDR__about(void); | |
124 | long CALLBACK CDR__setfilename(char *filename); | |
125 | long CALLBACK CDR__getStatus(struct CdrStat *stat); | |
126 | ||
19c03d80 | 127 | static void DecodeRawSubData(void); |
128 | ||
ef79bbde | 129 | struct trackinfo { |
deebc67f | 130 | enum {DATA=1, CDDA} type; |
ef79bbde P |
131 | char start[3]; // MSF-format |
132 | char length[3]; // MSF-format | |
38b8102c | 133 | FILE *handle; // for multi-track images CDDA |
77160d47 | 134 | unsigned int start_offset; // byte offset from start of above file |
ef79bbde P |
135 | }; |
136 | ||
137 | #define MAXTRACKS 100 /* How many tracks can a CD hold? */ | |
138 | ||
139 | static int numtracks = 0; | |
140 | static struct trackinfo ti[MAXTRACKS]; | |
141 | ||
142 | // get a sector from a msf-array | |
143 | static unsigned int msf2sec(char *msf) { | |
144 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; | |
145 | } | |
146 | ||
147 | static void sec2msf(unsigned int s, char *msf) { | |
148 | msf[0] = s / 75 / 60; | |
149 | s = s - msf[0] * 75 * 60; | |
150 | msf[1] = s / 75; | |
151 | s = s - msf[1] * 75; | |
152 | msf[2] = s; | |
153 | } | |
154 | ||
155 | // divide a string of xx:yy:zz into m, s, f | |
156 | static void tok2msf(char *time, char *msf) { | |
157 | char *token; | |
158 | ||
159 | token = strtok(time, ":"); | |
160 | if (token) { | |
161 | msf[0] = atoi(token); | |
162 | } | |
163 | else { | |
164 | msf[0] = 0; | |
165 | } | |
166 | ||
167 | token = strtok(NULL, ":"); | |
168 | if (token) { | |
169 | msf[1] = atoi(token); | |
170 | } | |
171 | else { | |
172 | msf[1] = 0; | |
173 | } | |
174 | ||
175 | token = strtok(NULL, ":"); | |
176 | if (token) { | |
177 | msf[2] = atoi(token); | |
178 | } | |
179 | else { | |
180 | msf[2] = 0; | |
181 | } | |
182 | } | |
183 | ||
184 | #ifndef _WIN32 | |
185 | static long GetTickCount(void) { | |
186 | static time_t initial_time = 0; | |
187 | struct timeval now; | |
188 | ||
189 | gettimeofday(&now, NULL); | |
190 | ||
191 | if (initial_time == 0) { | |
192 | initial_time = now.tv_sec; | |
193 | } | |
194 | ||
195 | return (now.tv_sec - initial_time) * 1000L + now.tv_usec / 1000L; | |
196 | } | |
197 | #endif | |
198 | ||
199 | // this thread plays audio data | |
200 | #ifdef _WIN32 | |
201 | static void playthread(void *param) | |
202 | #else | |
203 | static void *playthread(void *param) | |
204 | #endif | |
205 | { | |
983a7cfd | 206 | long osleep, d, t, i, s; |
ef79bbde | 207 | unsigned char tmp; |
77160d47 | 208 | int ret = 0, sector_offs; |
ef79bbde P |
209 | |
210 | t = GetTickCount(); | |
211 | ||
212 | while (playing) { | |
9a92bffb | 213 | s = 0; |
214 | for (i = 0; i < sizeof(sndbuffer) / CD_FRAMESIZE_RAW; i++) { | |
77160d47 | 215 | sector_offs = cdda_cur_sector - cdda_first_sector; |
216 | if (sector_offs < 0) { | |
217 | d = CD_FRAMESIZE_RAW; | |
218 | memset(sndbuffer + s, 0, d); | |
219 | } | |
220 | else { | |
221 | d = cdimg_read_func(cddaHandle, cdda_file_offset, | |
222 | sndbuffer + s, sector_offs); | |
223 | if (d < CD_FRAMESIZE_RAW) | |
224 | break; | |
225 | } | |
2058d51f | 226 | |
9a92bffb | 227 | s += d; |
228 | cdda_cur_sector++; | |
ef79bbde | 229 | } |
19c03d80 | 230 | |
ef79bbde P |
231 | if (s == 0) { |
232 | playing = FALSE; | |
ef79bbde P |
233 | initial_offset = 0; |
234 | break; | |
235 | } | |
236 | ||
237 | if (!cdr.Muted && playing) { | |
238 | if (cddaBigEndian) { | |
239 | for (i = 0; i < s / 2; i++) { | |
240 | tmp = sndbuffer[i * 2]; | |
241 | sndbuffer[i * 2] = sndbuffer[i * 2 + 1]; | |
242 | sndbuffer[i * 2 + 1] = tmp; | |
243 | } | |
244 | } | |
245 | ||
53598a71 | 246 | // can't do it yet due to readahead.. |
247 | //cdrAttenuate((short *)sndbuffer, s / 4, 1); | |
983a7cfd | 248 | do { |
249 | ret = SPU_playCDDAchannel((short *)sndbuffer, s); | |
250 | if (ret == 0x7761) | |
ce36c10b | 251 | { |
983a7cfd | 252 | usleep(6 * 1000); |
ce36c10b | 253 | } |
983a7cfd | 254 | } while (ret == 0x7761 && playing); // rearmed_wait |
ef79bbde | 255 | } |
983a7cfd | 256 | |
257 | if (ret != 0x676f) { // !rearmed_go | |
258 | // do approx sleep | |
259 | long now; | |
260 | ||
261 | // HACK: stop feeding data while emu is paused | |
262 | extern int stop; | |
263 | while (stop && playing) | |
ce36c10b | 264 | { |
983a7cfd | 265 | usleep(10000); |
ce36c10b | 266 | } |
983a7cfd | 267 | |
268 | now = GetTickCount(); | |
269 | osleep = t - now; | |
270 | if (osleep <= 0) { | |
271 | osleep = 1; | |
272 | t = now; | |
273 | } | |
274 | else if (osleep > CDDA_FRAMETIME) { | |
275 | osleep = CDDA_FRAMETIME; | |
276 | t = now; | |
277 | } | |
278 | ||
279 | usleep(osleep * 1000); | |
280 | t += CDDA_FRAMETIME; | |
281 | } | |
282 | ||
ef79bbde P |
283 | } |
284 | ||
285 | #ifdef _WIN32 | |
286 | _endthread(); | |
287 | #else | |
288 | pthread_exit(0); | |
289 | return NULL; | |
290 | #endif | |
291 | } | |
292 | ||
293 | // stop the CDDA playback | |
294 | static void stopCDDA() { | |
295 | if (!playing) { | |
296 | return; | |
297 | } | |
298 | ||
299 | playing = FALSE; | |
300 | #ifdef _WIN32 | |
301 | WaitForSingleObject(threadid, INFINITE); | |
302 | #else | |
303 | pthread_join(threadid, NULL); | |
304 | #endif | |
ef79bbde P |
305 | } |
306 | ||
307 | // start the CDDA playback | |
77160d47 | 308 | static void startCDDA(void) { |
ef79bbde | 309 | if (playing) { |
ef79bbde P |
310 | stopCDDA(); |
311 | } | |
312 | ||
ef79bbde P |
313 | playing = TRUE; |
314 | ||
315 | #ifdef _WIN32 | |
316 | threadid = (HANDLE)_beginthread(playthread, 0, NULL); | |
317 | #else | |
318 | pthread_create(&threadid, NULL, playthread, NULL); | |
319 | #endif | |
320 | } | |
321 | ||
322 | // this function tries to get the .toc file of the given .bin | |
323 | // the necessary data is put into the ti (trackinformation)-array | |
324 | static int parsetoc(const char *isofile) { | |
325 | char tocname[MAXPATHLEN]; | |
326 | FILE *fi; | |
e999be41 | 327 | char linebuf[256], tmp[256], name[256]; |
ef79bbde P |
328 | char *token; |
329 | char time[20], time2[20]; | |
e999be41 | 330 | unsigned int t, sector_offs, sector_size; |
331 | unsigned int current_zero_gap = 0; | |
ef79bbde P |
332 | |
333 | numtracks = 0; | |
334 | ||
335 | // copy name of the iso and change extension from .bin to .toc | |
336 | strncpy(tocname, isofile, sizeof(tocname)); | |
337 | tocname[MAXPATHLEN - 1] = '\0'; | |
338 | if (strlen(tocname) >= 4) { | |
339 | strcpy(tocname + strlen(tocname) - 4, ".toc"); | |
340 | } | |
341 | else { | |
342 | return -1; | |
343 | } | |
344 | ||
226a5691 | 345 | if ((fi = fopen(tocname, "r")) == NULL) { |
ef79bbde P |
346 | // try changing extension to .cue (to satisfy some stupid tutorials) |
347 | strcpy(tocname + strlen(tocname) - 4, ".cue"); | |
226a5691 | 348 | if ((fi = fopen(tocname, "r")) == NULL) { |
ef79bbde P |
349 | // if filename is image.toc.bin, try removing .bin (for Brasero) |
350 | strcpy(tocname, isofile); | |
351 | t = strlen(tocname); | |
352 | if (t >= 8 && strcmp(tocname + t - 8, ".toc.bin") == 0) { | |
353 | tocname[t - 4] = '\0'; | |
226a5691 | 354 | if ((fi = fopen(tocname, "r")) == NULL) { |
ef79bbde P |
355 | return -1; |
356 | } | |
357 | } | |
358 | else { | |
359 | return -1; | |
360 | } | |
361 | } | |
92f43ab0 | 362 | // check if it's really a TOC named as a .cue |
9361a5aa EC |
363 | if (fgets(linebuf, sizeof(linebuf), fi) != NULL) { |
364 | token = strtok(linebuf, " "); | |
365 | if (token && strncmp(token, "CD", 2) != 0 && strcmp(token, "CATALOG") != 0) { | |
366 | fclose(fi); | |
367 | return -1; | |
368 | } | |
92f43ab0 | 369 | } |
370 | fseek(fi, 0, SEEK_SET); | |
ef79bbde P |
371 | } |
372 | ||
373 | memset(&ti, 0, sizeof(ti)); | |
374 | cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio | |
375 | ||
e999be41 | 376 | sector_size = CD_FRAMESIZE_RAW; |
19c03d80 | 377 | sector_offs = 2 * 75; |
378 | ||
ef79bbde P |
379 | // parse the .toc file |
380 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
381 | // search for tracks | |
e999be41 | 382 | strncpy(tmp, linebuf, sizeof(linebuf)); |
383 | token = strtok(tmp, " "); | |
ef79bbde P |
384 | |
385 | if (token == NULL) continue; | |
386 | ||
387 | if (!strcmp(token, "TRACK")) { | |
e999be41 | 388 | sector_offs += current_zero_gap; |
389 | current_zero_gap = 0; | |
390 | ||
ef79bbde P |
391 | // get type of track |
392 | token = strtok(NULL, " "); | |
393 | numtracks++; | |
394 | ||
395 | if (!strncmp(token, "MODE2_RAW", 9)) { | |
396 | ti[numtracks].type = DATA; | |
397 | sec2msf(2 * 75, ti[numtracks].start); // assume data track on 0:2:0 | |
398 | ||
399 | // check if this image contains mixed subchannel data | |
400 | token = strtok(NULL, " "); | |
e999be41 | 401 | if (token != NULL && !strncmp(token, "RW", 2)) { |
402 | sector_size = CD_FRAMESIZE_RAW + SUB_FRAMESIZE; | |
ef79bbde | 403 | subChanMixed = TRUE; |
e999be41 | 404 | if (!strncmp(token, "RW_RAW", 6)) |
405 | subChanRaw = TRUE; | |
ef79bbde P |
406 | } |
407 | } | |
408 | else if (!strncmp(token, "AUDIO", 5)) { | |
409 | ti[numtracks].type = CDDA; | |
410 | } | |
411 | } | |
412 | else if (!strcmp(token, "DATAFILE")) { | |
413 | if (ti[numtracks].type == CDDA) { | |
414 | sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2); | |
19c03d80 | 415 | ti[numtracks].start_offset = t; |
e999be41 | 416 | t = t / sector_size + sector_offs; |
ef79bbde P |
417 | sec2msf(t, (char *)&ti[numtracks].start); |
418 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
419 | } | |
420 | else { | |
421 | sscanf(linebuf, "DATAFILE \"%[^\"]\" %8s", name, time); | |
422 | tok2msf((char *)&time, (char *)&ti[numtracks].length); | |
423 | } | |
424 | } | |
425 | else if (!strcmp(token, "FILE")) { | |
426 | sscanf(linebuf, "FILE \"%[^\"]\" #%d %8s %8s", name, &t, time, time2); | |
427 | tok2msf((char *)&time, (char *)&ti[numtracks].start); | |
e999be41 | 428 | t += msf2sec(ti[numtracks].start) * sector_size; |
19c03d80 | 429 | ti[numtracks].start_offset = t; |
e999be41 | 430 | t = t / sector_size + sector_offs; |
ef79bbde P |
431 | sec2msf(t, (char *)&ti[numtracks].start); |
432 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
433 | } | |
e999be41 | 434 | else if (!strcmp(token, "ZERO") || !strcmp(token, "SILENCE")) { |
435 | // skip unneeded optional fields | |
436 | while (token != NULL) { | |
437 | token = strtok(NULL, " "); | |
438 | if (strchr(token, ':') != NULL) | |
439 | break; | |
440 | } | |
441 | if (token != NULL) { | |
442 | tok2msf(token, tmp); | |
443 | current_zero_gap = msf2sec(tmp); | |
444 | } | |
8aa91443 | 445 | if (numtracks > 1) { |
446 | t = ti[numtracks - 1].start_offset; | |
e999be41 | 447 | t /= sector_size; |
8aa91443 | 448 | pregapOffset = t + msf2sec(ti[numtracks - 1].length); |
449 | } | |
19c03d80 | 450 | } |
e999be41 | 451 | else if (!strcmp(token, "START")) { |
452 | token = strtok(NULL, " "); | |
453 | if (token != NULL && strchr(token, ':')) { | |
454 | tok2msf(token, tmp); | |
455 | t = msf2sec(tmp); | |
456 | ti[numtracks].start_offset += (t - current_zero_gap) * sector_size; | |
457 | t = msf2sec(ti[numtracks].start) + t; | |
458 | sec2msf(t, (char *)&ti[numtracks].start); | |
459 | } | |
460 | } | |
ef79bbde P |
461 | } |
462 | ||
463 | fclose(fi); | |
464 | ||
465 | return 0; | |
466 | } | |
467 | ||
468 | // this function tries to get the .cue file of the given .bin | |
469 | // the necessary data is put into the ti (trackinformation)-array | |
470 | static int parsecue(const char *isofile) { | |
471 | char cuename[MAXPATHLEN]; | |
38b8102c | 472 | char filepath[MAXPATHLEN]; |
473 | char *incue_fname; | |
ef79bbde P |
474 | FILE *fi; |
475 | char *token; | |
476 | char time[20]; | |
477 | char *tmp; | |
19c03d80 | 478 | char linebuf[256], tmpb[256], dummy[256]; |
38b8102c | 479 | unsigned int incue_max_len; |
77160d47 | 480 | unsigned int t, file_len, mode, sector_offs; |
481 | unsigned int sector_size = 2352; | |
ef79bbde P |
482 | |
483 | numtracks = 0; | |
484 | ||
485 | // copy name of the iso and change extension from .bin to .cue | |
486 | strncpy(cuename, isofile, sizeof(cuename)); | |
487 | cuename[MAXPATHLEN - 1] = '\0'; | |
488 | if (strlen(cuename) >= 4) { | |
2cc221eb | 489 | // If 'isofile' is a '.cd<X>' file, use it as a .cue file |
490 | // and don't try to search the additional .cue file | |
491 | if (strncasecmp(cuename + strlen(cuename) - 4, ".cd", 3) != 0 ) | |
492 | strcpy(cuename + strlen(cuename) - 4, ".cue"); | |
ef79bbde P |
493 | } |
494 | else { | |
495 | return -1; | |
496 | } | |
497 | ||
226a5691 | 498 | if ((fi = fopen(cuename, "r")) == NULL) { |
ef79bbde P |
499 | return -1; |
500 | } | |
501 | ||
502 | // Some stupid tutorials wrongly tell users to use cdrdao to rip a | |
503 | // "bin/cue" image, which is in fact a "bin/toc" image. So let's check | |
504 | // that... | |
505 | if (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
506 | if (!strncmp(linebuf, "CD_ROM_XA", 9)) { | |
507 | // Don't proceed further, as this is actually a .toc file rather | |
508 | // than a .cue file. | |
509 | fclose(fi); | |
510 | return parsetoc(isofile); | |
511 | } | |
512 | fseek(fi, 0, SEEK_SET); | |
513 | } | |
514 | ||
38b8102c | 515 | // build a path for files referenced in .cue |
516 | strncpy(filepath, cuename, sizeof(filepath)); | |
22bbabf6 | 517 | tmp = strrchr(filepath, '/'); |
38b8102c | 518 | if (tmp == NULL) |
22bbabf6 | 519 | tmp = strrchr(filepath, '\\'); |
520 | if (tmp != NULL) | |
521 | tmp++; | |
522 | else | |
38b8102c | 523 | tmp = filepath; |
524 | *tmp = 0; | |
525 | filepath[sizeof(filepath) - 1] = 0; | |
526 | incue_fname = tmp; | |
527 | incue_max_len = sizeof(filepath) - (tmp - filepath) - 1; | |
528 | ||
ef79bbde P |
529 | memset(&ti, 0, sizeof(ti)); |
530 | ||
19c03d80 | 531 | file_len = 0; |
532 | sector_offs = 2 * 75; | |
533 | ||
ef79bbde P |
534 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { |
535 | strncpy(dummy, linebuf, sizeof(linebuf)); | |
536 | token = strtok(dummy, " "); | |
537 | ||
538 | if (token == NULL) { | |
539 | continue; | |
540 | } | |
541 | ||
19c03d80 | 542 | if (!strcmp(token, "TRACK")) { |
ef79bbde P |
543 | numtracks++; |
544 | ||
77160d47 | 545 | sector_size = 0; |
ef79bbde P |
546 | if (strstr(linebuf, "AUDIO") != NULL) { |
547 | ti[numtracks].type = CDDA; | |
77160d47 | 548 | sector_size = 2352; |
ef79bbde | 549 | } |
77160d47 | 550 | else if (sscanf(linebuf, " TRACK %u MODE%u/%u", &t, &mode, §or_size) == 3) |
ef79bbde | 551 | ti[numtracks].type = DATA; |
77160d47 | 552 | else { |
553 | SysPrintf(".cue: failed to parse TRACK\n"); | |
554 | ti[numtracks].type = numtracks == 1 ? DATA : CDDA; | |
ef79bbde | 555 | } |
77160d47 | 556 | if (sector_size == 0) |
557 | sector_size = 2352; | |
ef79bbde P |
558 | } |
559 | else if (!strcmp(token, "INDEX")) { | |
77160d47 | 560 | if (sscanf(linebuf, " INDEX %02d %8s", &t, time) != 2) |
561 | SysPrintf(".cue: failed to parse INDEX\n"); | |
19c03d80 | 562 | tok2msf(time, (char *)&ti[numtracks].start); |
ef79bbde | 563 | |
19c03d80 | 564 | t = msf2sec(ti[numtracks].start); |
77160d47 | 565 | ti[numtracks].start_offset = t * sector_size; |
19c03d80 | 566 | t += sector_offs; |
ef79bbde | 567 | sec2msf(t, ti[numtracks].start); |
19c03d80 | 568 | |
569 | // default track length to file length | |
77160d47 | 570 | t = file_len - ti[numtracks].start_offset / sector_size; |
19c03d80 | 571 | sec2msf(t, ti[numtracks].length); |
572 | ||
573 | if (numtracks > 1 && ti[numtracks].handle == NULL) { | |
574 | // this track uses the same file as the last, | |
575 | // start of this track is last track's end | |
576 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
577 | sec2msf(t, ti[numtracks - 1].length); | |
38b8102c | 578 | } |
8aa91443 | 579 | if (numtracks > 1 && pregapOffset == -1) |
77160d47 | 580 | pregapOffset = ti[numtracks].start_offset / sector_size; |
19c03d80 | 581 | } |
582 | else if (!strcmp(token, "PREGAP")) { | |
583 | if (sscanf(linebuf, " PREGAP %8s", time) == 1) { | |
584 | tok2msf(time, dummy); | |
585 | sector_offs += msf2sec(dummy); | |
38b8102c | 586 | } |
8aa91443 | 587 | pregapOffset = -1; // mark to fill track start_offset |
19c03d80 | 588 | } |
589 | else if (!strcmp(token, "FILE")) { | |
9a9bcd78 | 590 | t = sscanf(linebuf, " FILE \"%255[^\"]\"", tmpb); |
385c023b | 591 | if (t != 1) |
9a9bcd78 | 592 | sscanf(linebuf, " FILE %255s", tmpb); |
19c03d80 | 593 | |
6f4557bf | 594 | tmp = strrchr(tmpb, '\\'); |
595 | if (tmp == NULL) | |
596 | tmp = strrchr(tmpb, '/'); | |
597 | if (tmp != NULL) | |
598 | tmp++; | |
599 | else | |
600 | tmp = tmpb; | |
601 | strncpy(incue_fname, tmp, incue_max_len); | |
226a5691 | 602 | ti[numtracks + 1].handle = fopen(filepath, "rb"); |
ef79bbde | 603 | |
19c03d80 | 604 | // update global offset if this is not first file in this .cue |
deebc67f | 605 | if (numtracks + 1 > 1) { |
606 | multifile = 1; | |
19c03d80 | 607 | sector_offs += file_len; |
deebc67f | 608 | } |
19c03d80 | 609 | |
610 | file_len = 0; | |
38b8102c | 611 | if (ti[numtracks + 1].handle == NULL) { |
19c03d80 | 612 | SysPrintf(_("\ncould not open: %s\n"), filepath); |
613 | continue; | |
38b8102c | 614 | } |
19c03d80 | 615 | fseek(ti[numtracks + 1].handle, 0, SEEK_END); |
616 | file_len = ftell(ti[numtracks + 1].handle) / 2352; | |
617 | ||
618 | if (numtracks == 0 && strlen(isofile) >= 4 && | |
2cc221eb | 619 | (strcmp(isofile + strlen(isofile) - 4, ".cue") == 0 || |
620 | strncasecmp(isofile + strlen(isofile) - 4, ".cd", 3) == 0)) { | |
621 | // user selected .cue/.cdX as image file, use it's data track instead | |
38b8102c | 622 | fclose(cdHandle); |
226a5691 | 623 | cdHandle = fopen(filepath, "rb"); |
ef79bbde P |
624 | } |
625 | } | |
626 | } | |
627 | ||
628 | fclose(fi); | |
629 | ||
2cc221eb | 630 | // if there are no tracks detected, then it's not a cue file |
631 | if (!numtracks) | |
632 | return -1; | |
633 | ||
ef79bbde P |
634 | return 0; |
635 | } | |
636 | ||
637 | // this function tries to get the .ccd file of the given .img | |
638 | // the necessary data is put into the ti (trackinformation)-array | |
639 | static int parseccd(const char *isofile) { | |
640 | char ccdname[MAXPATHLEN]; | |
641 | FILE *fi; | |
642 | char linebuf[256]; | |
643 | unsigned int t; | |
644 | ||
645 | numtracks = 0; | |
646 | ||
647 | // copy name of the iso and change extension from .img to .ccd | |
648 | strncpy(ccdname, isofile, sizeof(ccdname)); | |
649 | ccdname[MAXPATHLEN - 1] = '\0'; | |
650 | if (strlen(ccdname) >= 4) { | |
651 | strcpy(ccdname + strlen(ccdname) - 4, ".ccd"); | |
652 | } | |
653 | else { | |
654 | return -1; | |
655 | } | |
656 | ||
226a5691 | 657 | if ((fi = fopen(ccdname, "r")) == NULL) { |
ef79bbde P |
658 | return -1; |
659 | } | |
660 | ||
661 | memset(&ti, 0, sizeof(ti)); | |
662 | ||
663 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
664 | if (!strncmp(linebuf, "[TRACK", 6)){ | |
665 | numtracks++; | |
666 | } | |
667 | else if (!strncmp(linebuf, "MODE=", 5)) { | |
668 | sscanf(linebuf, "MODE=%d", &t); | |
669 | ti[numtracks].type = ((t == 0) ? CDDA : DATA); | |
670 | } | |
671 | else if (!strncmp(linebuf, "INDEX 1=", 8)) { | |
672 | sscanf(linebuf, "INDEX 1=%d", &t); | |
673 | sec2msf(t + 2 * 75, ti[numtracks].start); | |
77160d47 | 674 | ti[numtracks].start_offset = t * 2352; |
ef79bbde P |
675 | |
676 | // If we've already seen another track, this is its end | |
677 | if (numtracks > 1) { | |
678 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
679 | sec2msf(t, ti[numtracks - 1].length); | |
680 | } | |
681 | } | |
682 | } | |
683 | ||
684 | fclose(fi); | |
685 | ||
686 | // Fill out the last track's end based on size | |
687 | if (numtracks >= 1) { | |
688 | fseek(cdHandle, 0, SEEK_END); | |
689 | t = ftell(cdHandle) / 2352 - msf2sec(ti[numtracks].start) + 2 * 75; | |
690 | sec2msf(t, ti[numtracks].length); | |
691 | } | |
692 | ||
693 | return 0; | |
694 | } | |
695 | ||
696 | // this function tries to get the .mds file of the given .mdf | |
697 | // the necessary data is put into the ti (trackinformation)-array | |
698 | static int parsemds(const char *isofile) { | |
699 | char mdsname[MAXPATHLEN]; | |
700 | FILE *fi; | |
701 | unsigned int offset, extra_offset, l, i; | |
702 | unsigned short s; | |
703 | ||
704 | numtracks = 0; | |
705 | ||
706 | // copy name of the iso and change extension from .mdf to .mds | |
707 | strncpy(mdsname, isofile, sizeof(mdsname)); | |
708 | mdsname[MAXPATHLEN - 1] = '\0'; | |
709 | if (strlen(mdsname) >= 4) { | |
710 | strcpy(mdsname + strlen(mdsname) - 4, ".mds"); | |
711 | } | |
712 | else { | |
713 | return -1; | |
714 | } | |
715 | ||
226a5691 | 716 | if ((fi = fopen(mdsname, "rb")) == NULL) { |
ef79bbde P |
717 | return -1; |
718 | } | |
719 | ||
720 | memset(&ti, 0, sizeof(ti)); | |
721 | ||
722 | // check if it's a valid mds file | |
9361a5aa EC |
723 | if (fread(&i, 1, sizeof(i), fi) != sizeof(i)) |
724 | goto fail_io; | |
ef79bbde P |
725 | i = SWAP32(i); |
726 | if (i != 0x4944454D) { | |
727 | // not an valid mds file | |
728 | fclose(fi); | |
729 | return -1; | |
730 | } | |
731 | ||
732 | // get offset to session block | |
733 | fseek(fi, 0x50, SEEK_SET); | |
9361a5aa EC |
734 | if (fread(&offset, 1, sizeof(offset), fi) != sizeof(offset)) |
735 | goto fail_io; | |
ef79bbde P |
736 | offset = SWAP32(offset); |
737 | ||
738 | // get total number of tracks | |
739 | offset += 14; | |
740 | fseek(fi, offset, SEEK_SET); | |
9361a5aa EC |
741 | if (fread(&s, 1, sizeof(s), fi) != sizeof(s)) |
742 | goto fail_io; | |
ef79bbde P |
743 | s = SWAP16(s); |
744 | numtracks = s; | |
745 | ||
746 | // get offset to track blocks | |
747 | fseek(fi, 4, SEEK_CUR); | |
9361a5aa EC |
748 | if (fread(&offset, 1, sizeof(offset), fi) != sizeof(offset)) |
749 | goto fail_io; | |
ef79bbde P |
750 | offset = SWAP32(offset); |
751 | ||
752 | // skip lead-in data | |
753 | while (1) { | |
754 | fseek(fi, offset + 4, SEEK_SET); | |
755 | if (fgetc(fi) < 0xA0) { | |
756 | break; | |
757 | } | |
758 | offset += 0x50; | |
759 | } | |
760 | ||
761 | // check if the image contains mixed subchannel data | |
762 | fseek(fi, offset + 1, SEEK_SET); | |
77160d47 | 763 | subChanMixed = subChanRaw = (fgetc(fi) ? TRUE : FALSE); |
ef79bbde P |
764 | |
765 | // read track data | |
766 | for (i = 1; i <= numtracks; i++) { | |
767 | fseek(fi, offset, SEEK_SET); | |
768 | ||
769 | // get the track type | |
770 | ti[i].type = ((fgetc(fi) == 0xA9) ? CDDA : DATA); | |
771 | fseek(fi, 8, SEEK_CUR); | |
772 | ||
773 | // get the track starting point | |
774 | ti[i].start[0] = fgetc(fi); | |
775 | ti[i].start[1] = fgetc(fi); | |
776 | ti[i].start[2] = fgetc(fi); | |
777 | ||
9361a5aa EC |
778 | if (fread(&extra_offset, 1, sizeof(extra_offset), fi) != sizeof(extra_offset)) |
779 | goto fail_io; | |
ef79bbde P |
780 | extra_offset = SWAP32(extra_offset); |
781 | ||
19c03d80 | 782 | // get track start offset (in .mdf) |
783 | fseek(fi, offset + 0x28, SEEK_SET); | |
9361a5aa EC |
784 | if (fread(&l, 1, sizeof(l), fi) != sizeof(l)) |
785 | goto fail_io; | |
19c03d80 | 786 | l = SWAP32(l); |
77160d47 | 787 | ti[i].start_offset = l; |
19c03d80 | 788 | |
8aa91443 | 789 | // get pregap |
790 | fseek(fi, extra_offset, SEEK_SET); | |
9361a5aa EC |
791 | if (fread(&l, 1, sizeof(l), fi) != sizeof(l)) |
792 | goto fail_io; | |
8aa91443 | 793 | l = SWAP32(l); |
794 | if (l != 0 && i > 1) | |
77160d47 | 795 | pregapOffset = msf2sec(ti[i].start); |
8aa91443 | 796 | |
797 | // get the track length | |
9361a5aa EC |
798 | if (fread(&l, 1, sizeof(l), fi) != sizeof(l)) |
799 | goto fail_io; | |
8aa91443 | 800 | l = SWAP32(l); |
801 | sec2msf(l, ti[i].length); | |
802 | ||
ef79bbde P |
803 | offset += 0x50; |
804 | } | |
ef79bbde P |
805 | fclose(fi); |
806 | return 0; | |
9361a5aa EC |
807 | fail_io: |
808 | #ifndef NDEBUG | |
809 | SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__); | |
810 | #endif | |
811 | fclose(fi); | |
812 | return -1; | |
ef79bbde P |
813 | } |
814 | ||
0877957a | 815 | static int handlepbp(const char *isofile) { |
9a92bffb | 816 | struct { |
817 | unsigned int sig; | |
818 | unsigned int dontcare[8]; | |
819 | unsigned int psar_offs; | |
820 | } pbp_hdr; | |
821 | struct { | |
822 | unsigned char type; | |
823 | unsigned char pad0; | |
824 | unsigned char track; | |
825 | char index0[3]; | |
826 | char pad1; | |
827 | char index1[3]; | |
828 | } toc_entry; | |
829 | struct { | |
830 | unsigned int offset; | |
831 | unsigned int size; | |
832 | unsigned int dontcare[6]; | |
833 | } index_entry; | |
0c2871a7 | 834 | char psar_sig[11]; |
cc376814 | 835 | off_t psisoimg_offs, cdimg_base; |
836 | unsigned int t, cd_length; | |
837 | unsigned int offsettab[8]; | |
9a92bffb | 838 | const char *ext = NULL; |
839 | int i, ret; | |
840 | ||
841 | if (strlen(isofile) >= 4) | |
842 | ext = isofile + strlen(isofile) - 4; | |
843 | if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0)) | |
844 | return -1; | |
845 | ||
cc376814 | 846 | fseeko(cdHandle, 0, SEEK_SET); |
9726a4af | 847 | |
9a92bffb | 848 | numtracks = 0; |
849 | ||
850 | ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle); | |
851 | if (ret != sizeof(pbp_hdr)) { | |
f29fbd53 | 852 | SysPrintf("failed to read pbp\n"); |
9a92bffb | 853 | goto fail_io; |
854 | } | |
855 | ||
cc376814 | 856 | ret = fseeko(cdHandle, pbp_hdr.psar_offs, SEEK_SET); |
9a92bffb | 857 | if (ret != 0) { |
f29fbd53 | 858 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs); |
9a92bffb | 859 | goto fail_io; |
860 | } | |
861 | ||
0c2871a7 | 862 | psisoimg_offs = pbp_hdr.psar_offs; |
9361a5aa EC |
863 | if (fread(psar_sig, 1, sizeof(psar_sig), cdHandle) != sizeof(psar_sig)) |
864 | goto fail_io; | |
0c2871a7 | 865 | psar_sig[10] = 0; |
866 | if (strcmp(psar_sig, "PSTITLEIMG") == 0) { | |
867 | // multidisk image? | |
cc376814 | 868 | ret = fseeko(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET); |
0c2871a7 | 869 | if (ret != 0) { |
f29fbd53 | 870 | SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs + 0x200); |
0c2871a7 | 871 | goto fail_io; |
872 | } | |
873 | ||
874 | if (fread(&offsettab, 1, sizeof(offsettab), cdHandle) != sizeof(offsettab)) { | |
f29fbd53 | 875 | SysPrintf("failed to read offsettab\n"); |
0c2871a7 | 876 | goto fail_io; |
877 | } | |
878 | ||
879 | for (i = 0; i < sizeof(offsettab) / sizeof(offsettab[0]); i++) { | |
880 | if (offsettab[i] == 0) | |
881 | break; | |
882 | } | |
883 | cdrIsoMultidiskCount = i; | |
884 | if (cdrIsoMultidiskCount == 0) { | |
f29fbd53 | 885 | SysPrintf("multidisk eboot has 0 images?\n"); |
0c2871a7 | 886 | goto fail_io; |
887 | } | |
888 | ||
889 | if (cdrIsoMultidiskSelect >= cdrIsoMultidiskCount) | |
890 | cdrIsoMultidiskSelect = 0; | |
891 | ||
892 | psisoimg_offs += offsettab[cdrIsoMultidiskSelect]; | |
893 | ||
cc376814 | 894 | ret = fseeko(cdHandle, psisoimg_offs, SEEK_SET); |
0c2871a7 | 895 | if (ret != 0) { |
cc376814 | 896 | SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs); |
0c2871a7 | 897 | goto fail_io; |
898 | } | |
899 | ||
9361a5aa EC |
900 | if (fread(psar_sig, 1, sizeof(psar_sig), cdHandle) != sizeof(psar_sig)) |
901 | goto fail_io; | |
0c2871a7 | 902 | psar_sig[10] = 0; |
903 | } | |
904 | ||
905 | if (strcmp(psar_sig, "PSISOIMG00") != 0) { | |
f29fbd53 | 906 | SysPrintf("bad psar_sig: %s\n", psar_sig); |
9a92bffb | 907 | goto fail_io; |
908 | } | |
909 | ||
910 | // seek to TOC | |
cc376814 | 911 | ret = fseeko(cdHandle, psisoimg_offs + 0x800, SEEK_SET); |
9a92bffb | 912 | if (ret != 0) { |
cc376814 | 913 | SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs + 0x800); |
9a92bffb | 914 | goto fail_io; |
915 | } | |
916 | ||
917 | // first 3 entries are special | |
918 | fseek(cdHandle, sizeof(toc_entry), SEEK_CUR); | |
9361a5aa EC |
919 | if (fread(&toc_entry, 1, sizeof(toc_entry), cdHandle) != sizeof(toc_entry)) |
920 | goto fail_io; | |
9a92bffb | 921 | numtracks = btoi(toc_entry.index1[0]); |
922 | ||
9361a5aa EC |
923 | if (fread(&toc_entry, 1, sizeof(toc_entry), cdHandle) != sizeof(toc_entry)) |
924 | goto fail_io; | |
9a92bffb | 925 | cd_length = btoi(toc_entry.index1[0]) * 60 * 75 + |
926 | btoi(toc_entry.index1[1]) * 75 + btoi(toc_entry.index1[2]); | |
927 | ||
928 | for (i = 1; i <= numtracks; i++) { | |
9361a5aa EC |
929 | if (fread(&toc_entry, 1, sizeof(toc_entry), cdHandle) != sizeof(toc_entry)) |
930 | goto fail_io; | |
9a92bffb | 931 | |
932 | ti[i].type = (toc_entry.type == 1) ? CDDA : DATA; | |
933 | ||
934 | ti[i].start_offset = btoi(toc_entry.index0[0]) * 60 * 75 + | |
935 | btoi(toc_entry.index0[1]) * 75 + btoi(toc_entry.index0[2]); | |
77160d47 | 936 | ti[i].start_offset *= 2352; |
9a92bffb | 937 | ti[i].start[0] = btoi(toc_entry.index1[0]); |
938 | ti[i].start[1] = btoi(toc_entry.index1[1]); | |
939 | ti[i].start[2] = btoi(toc_entry.index1[2]); | |
940 | ||
941 | if (i > 1) { | |
942 | t = msf2sec(ti[i].start) - msf2sec(ti[i - 1].start); | |
943 | sec2msf(t, ti[i - 1].length); | |
944 | } | |
945 | } | |
77160d47 | 946 | t = cd_length - ti[numtracks].start_offset / 2352; |
9a92bffb | 947 | sec2msf(t, ti[numtracks].length); |
948 | ||
949 | // seek to ISO index | |
cc376814 | 950 | ret = fseeko(cdHandle, psisoimg_offs + 0x4000, SEEK_SET); |
9a92bffb | 951 | if (ret != 0) { |
f29fbd53 | 952 | SysPrintf("failed to seek to ISO index\n"); |
9a92bffb | 953 | goto fail_io; |
954 | } | |
955 | ||
956 | compr_img = calloc(1, sizeof(*compr_img)); | |
957 | if (compr_img == NULL) | |
958 | goto fail_io; | |
959 | ||
0877957a | 960 | compr_img->block_shift = 4; |
9a92bffb | 961 | compr_img->current_block = (unsigned int)-1; |
962 | ||
963 | compr_img->index_len = (0x100000 - 0x4000) / sizeof(index_entry); | |
964 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
965 | if (compr_img->index_table == NULL) | |
966 | goto fail_io; | |
967 | ||
0c2871a7 | 968 | cdimg_base = psisoimg_offs + 0x100000; |
9a92bffb | 969 | for (i = 0; i < compr_img->index_len; i++) { |
970 | ret = fread(&index_entry, 1, sizeof(index_entry), cdHandle); | |
971 | if (ret != sizeof(index_entry)) { | |
f29fbd53 | 972 | SysPrintf("failed to read index_entry #%d\n", i); |
9a92bffb | 973 | goto fail_index; |
974 | } | |
975 | ||
976 | if (index_entry.size == 0) | |
977 | break; | |
978 | ||
979 | compr_img->index_table[i] = cdimg_base + index_entry.offset; | |
980 | } | |
981 | compr_img->index_table[i] = cdimg_base + index_entry.offset + index_entry.size; | |
982 | ||
983 | return 0; | |
984 | ||
985 | fail_index: | |
986 | free(compr_img->index_table); | |
987 | compr_img->index_table = NULL; | |
9361a5aa EC |
988 | goto done; |
989 | ||
9a92bffb | 990 | fail_io: |
9361a5aa EC |
991 | #ifndef NDEBUG |
992 | SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__); | |
993 | #endif | |
994 | ||
995 | done: | |
0877957a | 996 | if (compr_img != NULL) { |
997 | free(compr_img); | |
998 | compr_img = NULL; | |
999 | } | |
1000 | return -1; | |
1001 | } | |
1002 | ||
1003 | static int handlecbin(const char *isofile) { | |
1004 | struct | |
1005 | { | |
1006 | char magic[4]; | |
1007 | unsigned int header_size; | |
1008 | unsigned long long total_bytes; | |
1009 | unsigned int block_size; | |
1010 | unsigned char ver; // 1 | |
1011 | unsigned char align; | |
1012 | unsigned char rsv_06[2]; | |
1013 | } ciso_hdr; | |
1014 | const char *ext = NULL; | |
cc376814 | 1015 | unsigned int *index_table = NULL; |
0c2871a7 | 1016 | unsigned int index = 0, plain; |
0877957a | 1017 | int i, ret; |
1018 | ||
1019 | if (strlen(isofile) >= 5) | |
1020 | ext = isofile + strlen(isofile) - 5; | |
1021 | if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0)) | |
1022 | return -1; | |
1023 | ||
9726a4af | 1024 | fseek(cdHandle, 0, SEEK_SET); |
1025 | ||
0877957a | 1026 | ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle); |
1027 | if (ret != sizeof(ciso_hdr)) { | |
f29fbd53 | 1028 | SysPrintf("failed to read ciso header\n"); |
0877957a | 1029 | return -1; |
1030 | } | |
1031 | ||
1032 | if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) { | |
f29fbd53 | 1033 | SysPrintf("bad ciso header\n"); |
0877957a | 1034 | return -1; |
1035 | } | |
1036 | if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) { | |
cc376814 | 1037 | ret = fseeko(cdHandle, ciso_hdr.header_size, SEEK_SET); |
0877957a | 1038 | if (ret != 0) { |
f29fbd53 | 1039 | SysPrintf("failed to seek to %x\n", ciso_hdr.header_size); |
0877957a | 1040 | return -1; |
1041 | } | |
1042 | } | |
1043 | ||
1044 | compr_img = calloc(1, sizeof(*compr_img)); | |
1045 | if (compr_img == NULL) | |
1046 | goto fail_io; | |
1047 | ||
1048 | compr_img->block_shift = 0; | |
1049 | compr_img->current_block = (unsigned int)-1; | |
1050 | ||
1051 | compr_img->index_len = ciso_hdr.total_bytes / ciso_hdr.block_size; | |
cc376814 | 1052 | index_table = malloc((compr_img->index_len + 1) * sizeof(index_table[0])); |
1053 | if (index_table == NULL) | |
0877957a | 1054 | goto fail_io; |
1055 | ||
cc376814 | 1056 | ret = fread(index_table, sizeof(index_table[0]), compr_img->index_len, cdHandle); |
0877957a | 1057 | if (ret != compr_img->index_len) { |
f29fbd53 | 1058 | SysPrintf("failed to read index table\n"); |
0877957a | 1059 | goto fail_index; |
1060 | } | |
1061 | ||
cc376814 | 1062 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); |
1063 | if (compr_img->index_table == NULL) | |
1064 | goto fail_index; | |
1065 | ||
0877957a | 1066 | for (i = 0; i < compr_img->index_len + 1; i++) { |
cc376814 | 1067 | index = index_table[i]; |
0877957a | 1068 | plain = index & 0x80000000; |
1069 | index &= 0x7fffffff; | |
cc376814 | 1070 | compr_img->index_table[i] = (off_t)index << ciso_hdr.align; |
1071 | if (plain) | |
1072 | compr_img->index_table[i] |= OFF_T_MSB; | |
0877957a | 1073 | } |
0877957a | 1074 | |
1075 | return 0; | |
1076 | ||
1077 | fail_index: | |
cc376814 | 1078 | free(index_table); |
0877957a | 1079 | fail_io: |
1080 | if (compr_img != NULL) { | |
1081 | free(compr_img); | |
1082 | compr_img = NULL; | |
1083 | } | |
9a92bffb | 1084 | return -1; |
1085 | } | |
1086 | ||
b0ec2e6d | 1087 | #ifdef HAVE_CHD |
ce188d4d | 1088 | static int handlechd(const char *isofile) { |
1089 | chd_img = calloc(1, sizeof(*chd_img)); | |
1090 | if (chd_img == NULL) | |
1091 | goto fail_io; | |
1092 | ||
1093 | if(chd_open(isofile, CHD_OPEN_READ, NULL, &chd_img->chd) != CHDERR_NONE) | |
1d2757f4 | 1094 | goto fail_io; |
1095 | ||
1096 | if (Config.CHD_Precache && (chd_precache(chd_img->chd) != CHDERR_NONE)) | |
1097 | goto fail_io; | |
ce188d4d | 1098 | |
1099 | chd_img->header = chd_get_header(chd_img->chd); | |
1100 | ||
1101 | chd_img->buffer = malloc(chd_img->header->hunkbytes); | |
1102 | if (chd_img->buffer == NULL) | |
1103 | goto fail_io; | |
1104 | ||
1105 | chd_img->sectors_per_hunk = chd_img->header->hunkbytes / (CD_FRAMESIZE_RAW + SUB_FRAMESIZE); | |
1106 | chd_img->current_hunk = (unsigned int)-1; | |
1107 | ||
1108 | cddaBigEndian = TRUE; | |
1109 | ||
1110 | numtracks = 0; | |
055b81e1 | 1111 | int frame_offset = 0; |
1112 | int file_offset = 0; | |
ce188d4d | 1113 | memset(ti, 0, sizeof(ti)); |
1114 | ||
1115 | while (1) | |
1116 | { | |
1117 | struct { | |
1118 | char type[64]; | |
1119 | char subtype[32]; | |
1120 | char pgtype[32]; | |
1121 | char pgsub[32]; | |
1122 | uint32_t track; | |
1123 | uint32_t frames; | |
1124 | uint32_t pregap; | |
1125 | uint32_t postgap; | |
1126 | } md = {}; | |
1127 | char meta[256]; | |
1128 | uint32_t meta_size = 0; | |
1129 | ||
1130 | if (chd_get_metadata(chd_img->chd, CDROM_TRACK_METADATA2_TAG, numtracks, meta, sizeof(meta), &meta_size, NULL, NULL) == CHDERR_NONE) | |
1131 | sscanf(meta, CDROM_TRACK_METADATA2_FORMAT, &md.track, md.type, md.subtype, &md.frames, &md.pregap, md.pgtype, md.pgsub, &md.postgap); | |
1132 | else if (chd_get_metadata(chd_img->chd, CDROM_TRACK_METADATA_TAG, numtracks, meta, sizeof(meta), &meta_size, NULL, NULL) == CHDERR_NONE) | |
1133 | sscanf(meta, CDROM_TRACK_METADATA_FORMAT, &md.track, md.type, md.subtype, &md.frames); | |
1134 | else | |
1135 | break; | |
1136 | ||
055b81e1 | 1137 | if(md.track == 1) |
1138 | md.pregap = 150; | |
1139 | else | |
1140 | sec2msf(msf2sec(ti[md.track-1].length) + md.pregap, ti[md.track-1].length); | |
ce188d4d | 1141 | |
055b81e1 | 1142 | ti[md.track].type = !strncmp(md.type, "AUDIO", 5) ? CDDA : DATA; |
ce188d4d | 1143 | |
055b81e1 | 1144 | sec2msf(frame_offset + md.pregap, ti[md.track].start); |
1145 | sec2msf(md.frames, ti[md.track].length); | |
ce188d4d | 1146 | |
055b81e1 | 1147 | ti[md.track].start_offset = file_offset; |
ce188d4d | 1148 | |
055b81e1 | 1149 | frame_offset += md.pregap + md.frames + md.postgap; |
1150 | file_offset += md.frames + md.postgap; | |
ce188d4d | 1151 | numtracks++; |
1152 | } | |
1153 | ||
1154 | if (numtracks) | |
1155 | return 0; | |
1156 | ||
1157 | fail_io: | |
1158 | if (chd_img != NULL) { | |
1159 | free(chd_img->buffer); | |
1160 | free(chd_img); | |
1161 | chd_img = NULL; | |
1162 | } | |
1163 | return -1; | |
1164 | } | |
b0ec2e6d | 1165 | #endif |
ce188d4d | 1166 | |
ef79bbde P |
1167 | // this function tries to get the .sub file of the given .img |
1168 | static int opensubfile(const char *isoname) { | |
1169 | char subname[MAXPATHLEN]; | |
1170 | ||
1171 | // copy name of the iso and change extension from .img to .sub | |
1172 | strncpy(subname, isoname, sizeof(subname)); | |
1173 | subname[MAXPATHLEN - 1] = '\0'; | |
1174 | if (strlen(subname) >= 4) { | |
1175 | strcpy(subname + strlen(subname) - 4, ".sub"); | |
1176 | } | |
1177 | else { | |
1178 | return -1; | |
1179 | } | |
1180 | ||
226a5691 | 1181 | subHandle = fopen(subname, "rb"); |
ef79bbde P |
1182 | if (subHandle == NULL) { |
1183 | return -1; | |
1184 | } | |
1185 | ||
1186 | return 0; | |
1187 | } | |
1188 | ||
ae4e7dc9 | 1189 | static int opensbifile(const char *isoname) { |
ba1cce07 | 1190 | char sbiname[MAXPATHLEN], disknum[MAXPATHLEN] = "0"; |
ae4e7dc9 | 1191 | int s; |
1192 | ||
1193 | strncpy(sbiname, isoname, sizeof(sbiname)); | |
1194 | sbiname[MAXPATHLEN - 1] = '\0'; | |
1195 | if (strlen(sbiname) >= 4) { | |
ba1cce07 S |
1196 | if (cdrIsoMultidiskCount > 1) { |
1197 | sprintf(disknum, "_%i.sbi", cdrIsoMultidiskSelect + 1); | |
1198 | strcpy(sbiname + strlen(sbiname) - 4, disknum); | |
1199 | } | |
1200 | else | |
1201 | strcpy(sbiname + strlen(sbiname) - 4, ".sbi"); | |
ae4e7dc9 | 1202 | } |
1203 | else { | |
1204 | return -1; | |
1205 | } | |
1206 | ||
1207 | fseek(cdHandle, 0, SEEK_END); | |
1208 | s = ftell(cdHandle) / 2352; | |
1209 | ||
1210 | return LoadSBI(sbiname, s); | |
1211 | } | |
1212 | ||
679b71e2 JW |
1213 | #ifdef _WIN32 |
1214 | static void readThreadStop() {} | |
1215 | static void readThreadStart() {} | |
1216 | #else | |
1217 | static pthread_t read_thread_id; | |
1218 | ||
1219 | static pthread_cond_t read_thread_msg_avail; | |
1220 | static pthread_cond_t read_thread_msg_done; | |
1221 | static pthread_mutex_t read_thread_msg_lock; | |
1222 | ||
1223 | static pthread_cond_t sectorbuffer_cond; | |
1224 | static pthread_mutex_t sectorbuffer_lock; | |
1225 | ||
1226 | static boolean read_thread_running = FALSE; | |
1227 | static int read_thread_sector_start = -1; | |
1228 | static int read_thread_sector_end = -1; | |
1229 | ||
1230 | typedef struct { | |
1231 | int sector; | |
1232 | long ret; | |
1233 | unsigned char data[CD_FRAMESIZE_RAW]; | |
1234 | } SectorBufferEntry; | |
1235 | ||
1236 | #define SECTOR_BUFFER_SIZE 4096 | |
1237 | ||
1238 | static SectorBufferEntry *sectorbuffer; | |
1239 | static size_t sectorbuffer_index; | |
1240 | ||
1241 | int (*sync_cdimg_read_func)(FILE *f, unsigned int base, void *dest, int sector); | |
1242 | unsigned char *(*sync_CDR_getBuffer)(void); | |
1243 | ||
1244 | static unsigned char * CALLBACK ISOgetBuffer_async(void); | |
1245 | static int cdread_async(FILE *f, unsigned int base, void *dest, int sector); | |
1246 | ||
1247 | static void *readThreadMain(void *param) { | |
1248 | int max_sector = -1; | |
1249 | int requested_sector_start = -1; | |
1250 | int requested_sector_end = -1; | |
1251 | int last_read_sector = -1; | |
1252 | int index = 0; | |
1253 | ||
1254 | int ra_sector = -1; | |
1255 | int max_ra = 128; | |
1256 | int initial_ra = 1; | |
1257 | int speedmult_ra = 4; | |
1258 | ||
1259 | int ra_count = 0; | |
1260 | int how_far_ahead = 0; | |
1261 | ||
1262 | unsigned char tmpdata[CD_FRAMESIZE_RAW]; | |
1263 | long ret; | |
1264 | ||
1265 | max_sector = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length); | |
1266 | ||
1267 | while(1) { | |
1268 | pthread_mutex_lock(&read_thread_msg_lock); | |
1269 | ||
1270 | // If we don't have readahead and we don't have a sector request, wait for one. | |
1271 | // If we still have readahead to go, don't block, just keep going. | |
1272 | // And if we ever have a sector request pending, acknowledge and reset it. | |
1273 | ||
1274 | if (!ra_count) { | |
1275 | if (read_thread_sector_start == -1 && read_thread_running) { | |
1276 | pthread_cond_wait(&read_thread_msg_avail, &read_thread_msg_lock); | |
1277 | } | |
1278 | } | |
1279 | ||
1280 | if (read_thread_sector_start != -1) { | |
1281 | requested_sector_start = read_thread_sector_start; | |
1282 | requested_sector_end = read_thread_sector_end; | |
1283 | read_thread_sector_start = -1; | |
1284 | read_thread_sector_end = -1; | |
1285 | pthread_cond_signal(&read_thread_msg_done); | |
1286 | } | |
1287 | ||
1288 | pthread_mutex_unlock(&read_thread_msg_lock); | |
1289 | ||
1290 | if (!read_thread_running) | |
1291 | break; | |
1292 | ||
1293 | // Readahead code, based on the implementation in mednafen psx's cdromif.cpp | |
1294 | if (requested_sector_start != -1) { | |
1295 | if (last_read_sector != -1 && last_read_sector == (requested_sector_start - 1)) { | |
1296 | how_far_ahead = ra_sector - requested_sector_end; | |
1297 | ||
1298 | if(how_far_ahead <= max_ra) | |
1299 | ra_count = (max_ra - how_far_ahead + 1 ? max_ra - how_far_ahead + 1 : speedmult_ra); | |
1300 | else | |
1301 | ra_count++; | |
1302 | } else if (requested_sector_end != last_read_sector) { | |
1303 | ra_sector = requested_sector_end; | |
1304 | ra_count = initial_ra; | |
1305 | } | |
1306 | ||
1307 | last_read_sector = requested_sector_end; | |
1308 | } | |
1309 | ||
00e69290 JW |
1310 | index = ra_sector % SECTOR_BUFFER_SIZE; |
1311 | ||
679b71e2 JW |
1312 | // check for end of CD |
1313 | if (ra_count && ra_sector >= max_sector) { | |
1314 | ra_count = 0; | |
00e69290 JW |
1315 | pthread_mutex_lock(§orbuffer_lock); |
1316 | sectorbuffer[index].ret = -1; | |
1317 | sectorbuffer[index].sector = ra_sector; | |
1318 | pthread_cond_signal(§orbuffer_cond); | |
1319 | pthread_mutex_unlock(§orbuffer_lock); | |
679b71e2 JW |
1320 | } |
1321 | ||
1322 | if (ra_count) { | |
679b71e2 JW |
1323 | pthread_mutex_lock(§orbuffer_lock); |
1324 | if (sectorbuffer[index].sector != ra_sector) { | |
1325 | pthread_mutex_unlock(§orbuffer_lock); | |
1326 | ||
1327 | ret = sync_cdimg_read_func(cdHandle, 0, tmpdata, ra_sector); | |
1328 | ||
1329 | pthread_mutex_lock(§orbuffer_lock); | |
1330 | sectorbuffer[index].ret = ret; | |
1331 | sectorbuffer[index].sector = ra_sector; | |
1332 | memcpy(sectorbuffer[index].data, tmpdata, CD_FRAMESIZE_RAW); | |
1333 | } | |
1334 | pthread_cond_signal(§orbuffer_cond); | |
1335 | pthread_mutex_unlock(§orbuffer_lock); | |
1336 | ||
1337 | ra_sector++; | |
1338 | ra_count--; | |
1339 | } | |
1340 | } | |
1341 | ||
1342 | return NULL; | |
1343 | } | |
1344 | ||
1345 | static void readThreadStop() { | |
1346 | if (read_thread_running == TRUE) { | |
1347 | read_thread_running = FALSE; | |
1348 | pthread_cond_signal(&read_thread_msg_avail); | |
1349 | pthread_join(read_thread_id, NULL); | |
1350 | } | |
1351 | ||
1352 | pthread_cond_destroy(&read_thread_msg_done); | |
1353 | pthread_cond_destroy(&read_thread_msg_avail); | |
1354 | pthread_mutex_destroy(&read_thread_msg_lock); | |
1355 | ||
1356 | pthread_cond_destroy(§orbuffer_cond); | |
1357 | pthread_mutex_destroy(§orbuffer_lock); | |
1358 | ||
1359 | CDR_getBuffer = sync_CDR_getBuffer; | |
1360 | cdimg_read_func = sync_cdimg_read_func; | |
1361 | ||
1362 | free(sectorbuffer); | |
1363 | sectorbuffer = NULL; | |
1364 | } | |
1365 | ||
1366 | static void readThreadStart() { | |
1367 | SysPrintf("Starting async CD thread\n"); | |
1368 | ||
1369 | if (read_thread_running == TRUE) | |
1370 | return; | |
1371 | ||
1372 | read_thread_running = TRUE; | |
1373 | read_thread_sector_start = -1; | |
1374 | read_thread_sector_end = -1; | |
1375 | sectorbuffer_index = 0; | |
1376 | ||
1377 | sectorbuffer = calloc(SECTOR_BUFFER_SIZE, sizeof(SectorBufferEntry)); | |
1378 | if(!sectorbuffer) | |
1379 | goto error; | |
1380 | ||
1381 | sectorbuffer[0].sector = -1; // Otherwise we might think we've already fetched sector 0! | |
1382 | ||
1383 | sync_CDR_getBuffer = CDR_getBuffer; | |
1384 | CDR_getBuffer = ISOgetBuffer_async; | |
1385 | sync_cdimg_read_func = cdimg_read_func; | |
1386 | cdimg_read_func = cdread_async; | |
1387 | ||
1388 | if (pthread_cond_init(&read_thread_msg_avail, NULL) || | |
1389 | pthread_cond_init(&read_thread_msg_done, NULL) || | |
1390 | pthread_mutex_init(&read_thread_msg_lock, NULL) || | |
1391 | pthread_cond_init(§orbuffer_cond, NULL) || | |
1392 | pthread_mutex_init(§orbuffer_lock, NULL) || | |
1393 | pthread_create(&read_thread_id, NULL, readThreadMain, NULL)) | |
1394 | goto error; | |
1395 | ||
1396 | return; | |
1397 | ||
1398 | error: | |
1399 | SysPrintf("Error starting async CD thread\n"); | |
1400 | SysPrintf("Falling back to sync\n"); | |
1401 | ||
1402 | readThreadStop(); | |
1403 | } | |
1404 | #endif | |
1405 | ||
77160d47 | 1406 | static int cdread_normal(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1407 | { |
77160d47 | 1408 | fseek(f, base + sector * CD_FRAMESIZE_RAW, SEEK_SET); |
81abe4d5 | 1409 | return fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9a92bffb | 1410 | } |
1411 | ||
77160d47 | 1412 | static int cdread_sub_mixed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1413 | { |
1414 | int ret; | |
1415 | ||
77160d47 | 1416 | fseek(f, base + sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE), SEEK_SET); |
81abe4d5 | 1417 | ret = fread(dest, 1, CD_FRAMESIZE_RAW, f); |
9361a5aa EC |
1418 | if (fread(subbuffer, 1, SUB_FRAMESIZE, f) != SUB_FRAMESIZE) |
1419 | goto fail_io; | |
9a92bffb | 1420 | |
1421 | if (subChanRaw) DecodeRawSubData(); | |
9361a5aa EC |
1422 | goto done; |
1423 | ||
1424 | fail_io: | |
1425 | #ifndef NDEBUG | |
1426 | SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__); | |
1427 | #endif | |
9a92bffb | 1428 | |
9361a5aa | 1429 | done: |
9a92bffb | 1430 | return ret; |
1431 | } | |
1432 | ||
2dd6a826 | 1433 | static int uncompress2_pcsx(void *out, unsigned long *out_size, void *in, unsigned long in_size) |
9a92bffb | 1434 | { |
1435 | static z_stream z; | |
1436 | int ret = 0; | |
1437 | ||
1438 | if (z.zalloc == NULL) { | |
1439 | // XXX: one-time leak here.. | |
1440 | z.next_in = Z_NULL; | |
1441 | z.avail_in = 0; | |
1442 | z.zalloc = Z_NULL; | |
1443 | z.zfree = Z_NULL; | |
1444 | z.opaque = Z_NULL; | |
1445 | ret = inflateInit2(&z, -15); | |
1446 | } | |
1447 | else | |
1448 | ret = inflateReset(&z); | |
1449 | if (ret != Z_OK) | |
1450 | return ret; | |
1451 | ||
1452 | z.next_in = in; | |
1453 | z.avail_in = in_size; | |
1454 | z.next_out = out; | |
1455 | z.avail_out = *out_size; | |
1456 | ||
1457 | ret = inflate(&z, Z_NO_FLUSH); | |
1458 | //inflateEnd(&z); | |
1459 | ||
1460 | *out_size -= z.avail_out; | |
1461 | return ret == 1 ? 0 : ret; | |
1462 | } | |
1463 | ||
77160d47 | 1464 | static int cdread_compressed(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1465 | { |
0877957a | 1466 | unsigned long cdbuffer_size, cdbuffer_size_expect; |
cc376814 | 1467 | unsigned int size; |
0877957a | 1468 | int is_compressed; |
cc376814 | 1469 | off_t start_byte; |
9a92bffb | 1470 | int ret, block; |
1471 | ||
77160d47 | 1472 | if (base) |
1473 | sector += base / 2352; | |
1474 | ||
0877957a | 1475 | block = sector >> compr_img->block_shift; |
1476 | compr_img->sector_in_blk = sector & ((1 << compr_img->block_shift) - 1); | |
9a92bffb | 1477 | |
1478 | if (block == compr_img->current_block) { | |
1479 | //printf("hit sect %d\n", sector); | |
1480 | goto finish; | |
1481 | } | |
1482 | ||
1483 | if (sector >= compr_img->index_len * 16) { | |
f29fbd53 | 1484 | SysPrintf("sector %d is past img end\n", sector); |
9a92bffb | 1485 | return -1; |
1486 | } | |
1487 | ||
cc376814 | 1488 | start_byte = compr_img->index_table[block] & ~OFF_T_MSB; |
1489 | if (fseeko(cdHandle, start_byte, SEEK_SET) != 0) { | |
1490 | SysPrintf("seek error for block %d at %llx: ", | |
1491 | block, (long long)start_byte); | |
9a92bffb | 1492 | perror(NULL); |
1493 | return -1; | |
1494 | } | |
1495 | ||
cc376814 | 1496 | is_compressed = !(compr_img->index_table[block] & OFF_T_MSB); |
1497 | size = (compr_img->index_table[block + 1] & ~OFF_T_MSB) - start_byte; | |
9a92bffb | 1498 | if (size > sizeof(compr_img->buff_compressed)) { |
f29fbd53 | 1499 | SysPrintf("block %d is too large: %u\n", block, size); |
9a92bffb | 1500 | return -1; |
1501 | } | |
1502 | ||
0877957a | 1503 | if (fread(is_compressed ? compr_img->buff_compressed : compr_img->buff_raw[0], |
1504 | 1, size, cdHandle) != size) { | |
f29fbd53 | 1505 | SysPrintf("read error for block %d at %x: ", block, start_byte); |
9a92bffb | 1506 | perror(NULL); |
1507 | return -1; | |
1508 | } | |
1509 | ||
0877957a | 1510 | if (is_compressed) { |
1511 | cdbuffer_size_expect = sizeof(compr_img->buff_raw[0]) << compr_img->block_shift; | |
1512 | cdbuffer_size = cdbuffer_size_expect; | |
2dd6a826 | 1513 | ret = uncompress2_pcsx(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size); |
0877957a | 1514 | if (ret != 0) { |
f29fbd53 | 1515 | SysPrintf("uncompress failed with %d for block %d, sector %d\n", |
0877957a | 1516 | ret, block, sector); |
1517 | return -1; | |
1518 | } | |
1519 | if (cdbuffer_size != cdbuffer_size_expect) | |
f29fbd53 | 1520 | SysPrintf("cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size, |
0877957a | 1521 | cdbuffer_size_expect, sector); |
9a92bffb | 1522 | } |
9a92bffb | 1523 | |
1524 | // done at last! | |
1525 | compr_img->current_block = block; | |
1526 | ||
1527 | finish: | |
1528 | if (dest != cdbuffer) // copy avoid HACK | |
81abe4d5 | 1529 | memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk], |
1530 | CD_FRAMESIZE_RAW); | |
1531 | return CD_FRAMESIZE_RAW; | |
9a92bffb | 1532 | } |
1533 | ||
b0ec2e6d | 1534 | #ifdef HAVE_CHD |
ce188d4d | 1535 | static int cdread_chd(FILE *f, unsigned int base, void *dest, int sector) |
1536 | { | |
1537 | int hunk; | |
1538 | ||
1539 | if (base) | |
055b81e1 | 1540 | sector += base; |
ce188d4d | 1541 | |
1542 | hunk = sector / chd_img->sectors_per_hunk; | |
1543 | chd_img->sector_in_hunk = sector % chd_img->sectors_per_hunk; | |
1544 | ||
055b81e1 | 1545 | if (hunk != chd_img->current_hunk) |
1546 | { | |
1547 | chd_read(chd_img->chd, hunk, chd_img->buffer); | |
1548 | chd_img->current_hunk = hunk; | |
1549 | } | |
ce188d4d | 1550 | |
ce188d4d | 1551 | if (dest != cdbuffer) // copy avoid HACK |
1552 | memcpy(dest, chd_img->buffer[chd_img->sector_in_hunk], | |
1553 | CD_FRAMESIZE_RAW); | |
1554 | return CD_FRAMESIZE_RAW; | |
1555 | } | |
b0ec2e6d | 1556 | #endif |
77160d47 | 1557 | static int cdread_2048(FILE *f, unsigned int base, void *dest, int sector) |
9a92bffb | 1558 | { |
1559 | int ret; | |
1560 | ||
77160d47 | 1561 | fseek(f, base + sector * 2048, SEEK_SET); |
81abe4d5 | 1562 | ret = fread((char *)dest + 12 * 2, 1, 2048, f); |
9a92bffb | 1563 | |
1564 | // not really necessary, fake mode 2 header | |
81abe4d5 | 1565 | memset(cdbuffer, 0, 12 * 2); |
1566 | sec2msf(sector + 2 * 75, (char *)&cdbuffer[12]); | |
1567 | cdbuffer[12 + 3] = 1; | |
9a92bffb | 1568 | |
1569 | return ret; | |
1570 | } | |
1571 | ||
679b71e2 JW |
1572 | #ifndef _WIN32 |
1573 | ||
1574 | static int cdread_async(FILE *f, unsigned int base, void *dest, int sector) { | |
1575 | boolean found = FALSE; | |
1576 | int i = sector % SECTOR_BUFFER_SIZE; | |
1577 | long ret; | |
1578 | ||
1579 | if (f != cdHandle || base != 0 || dest != cdbuffer) { | |
1580 | // Async reads are only supported for cdbuffer, so call the sync | |
1581 | // function directly. | |
1582 | return sync_cdimg_read_func(f, base, dest, sector); | |
1583 | } | |
1584 | ||
1585 | pthread_mutex_lock(&read_thread_msg_lock); | |
1586 | ||
1587 | // Only wait if we're not trying to read the next sector and | |
1588 | // sector_start is set (meaning the last request hasn't been | |
1589 | // processed yet) | |
1590 | while(read_thread_sector_start != -1 && read_thread_sector_end + 1 != sector) { | |
1591 | pthread_cond_wait(&read_thread_msg_done, &read_thread_msg_lock); | |
1592 | } | |
1593 | ||
1594 | if (read_thread_sector_start == -1) | |
1595 | read_thread_sector_start = sector; | |
1596 | ||
1597 | read_thread_sector_end = sector; | |
1598 | pthread_cond_signal(&read_thread_msg_avail); | |
1599 | pthread_mutex_unlock(&read_thread_msg_lock); | |
1600 | ||
1601 | do { | |
1602 | pthread_mutex_lock(§orbuffer_lock); | |
1603 | if (sectorbuffer[i].sector == sector) { | |
1604 | sectorbuffer_index = i; | |
1605 | ret = sectorbuffer[i].ret; | |
1606 | found = TRUE; | |
1607 | } | |
1608 | ||
1609 | if (!found) { | |
1610 | pthread_cond_wait(§orbuffer_cond, §orbuffer_lock); | |
1611 | } | |
1612 | pthread_mutex_unlock(§orbuffer_lock); | |
1613 | } while (!found); | |
1614 | ||
1615 | return ret; | |
1616 | } | |
1617 | ||
1618 | #endif | |
1619 | ||
9a92bffb | 1620 | static unsigned char * CALLBACK ISOgetBuffer_compr(void) { |
1621 | return compr_img->buff_raw[compr_img->sector_in_blk] + 12; | |
1622 | } | |
1623 | ||
b0ec2e6d | 1624 | #ifdef HAVE_CHD |
ce188d4d | 1625 | static unsigned char * CALLBACK ISOgetBuffer_chd(void) { |
1626 | return chd_img->buffer[chd_img->sector_in_hunk] + 12; | |
1627 | } | |
b0ec2e6d | 1628 | #endif |
ce188d4d | 1629 | |
679b71e2 JW |
1630 | #ifndef _WIN32 |
1631 | static unsigned char * CALLBACK ISOgetBuffer_async(void) { | |
1632 | unsigned char *buffer; | |
1633 | pthread_mutex_lock(§orbuffer_lock); | |
1634 | buffer = sectorbuffer[sectorbuffer_index].data; | |
1635 | pthread_mutex_unlock(§orbuffer_lock); | |
1636 | return buffer + 12; | |
1637 | } | |
1638 | ||
1639 | #endif | |
1640 | ||
9a92bffb | 1641 | static unsigned char * CALLBACK ISOgetBuffer(void) { |
81abe4d5 | 1642 | return cdbuffer + 12; |
9a92bffb | 1643 | } |
1644 | ||
ef79bbde P |
1645 | static void PrintTracks(void) { |
1646 | int i; | |
1647 | ||
1648 | for (i = 1; i <= numtracks; i++) { | |
1649 | SysPrintf(_("Track %.2d (%s) - Start %.2d:%.2d:%.2d, Length %.2d:%.2d:%.2d\n"), | |
1650 | i, (ti[i].type == DATA ? "DATA" : "AUDIO"), | |
1651 | ti[i].start[0], ti[i].start[1], ti[i].start[2], | |
1652 | ti[i].length[0], ti[i].length[1], ti[i].length[2]); | |
1653 | } | |
1654 | } | |
1655 | ||
1656 | // This function is invoked by the front-end when opening an ISO | |
1657 | // file for playback | |
1658 | static long CALLBACK ISOopen(void) { | |
9a92bffb | 1659 | boolean isMode1ISO = FALSE; |
689e0447 | 1660 | char alt_bin_filename[MAXPATHLEN]; |
1661 | const char *bin_filename; | |
208177a7 | 1662 | char image_str[1024] = {0}; |
9a92bffb | 1663 | |
ef79bbde P |
1664 | if (cdHandle != NULL) { |
1665 | return 0; // it's already open | |
1666 | } | |
1667 | ||
226a5691 | 1668 | cdHandle = fopen(GetIsoFile(), "rb"); |
ef79bbde | 1669 | if (cdHandle == NULL) { |
2e058581 | 1670 | SysPrintf(_("Could't open '%s' for reading: %s\n"), |
1671 | GetIsoFile(), strerror(errno)); | |
ef79bbde P |
1672 | return -1; |
1673 | } | |
1674 | ||
208177a7 | 1675 | sprintf(image_str, "Loaded CD Image: %s", GetIsoFile()); |
ef79bbde P |
1676 | |
1677 | cddaBigEndian = FALSE; | |
1678 | subChanMixed = FALSE; | |
1679 | subChanRaw = FALSE; | |
8aa91443 | 1680 | pregapOffset = 0; |
0c2871a7 | 1681 | cdrIsoMultidiskCount = 1; |
deebc67f | 1682 | multifile = 0; |
ef79bbde | 1683 | |
9a92bffb | 1684 | CDR_getBuffer = ISOgetBuffer; |
1685 | cdimg_read_func = cdread_normal; | |
1686 | ||
92f43ab0 | 1687 | if (parsetoc(GetIsoFile()) == 0) { |
208177a7 | 1688 | strcat(image_str, "[+toc]"); |
ef79bbde P |
1689 | } |
1690 | else if (parseccd(GetIsoFile()) == 0) { | |
208177a7 | 1691 | strcat(image_str, "[+ccd]"); |
ef79bbde P |
1692 | } |
1693 | else if (parsemds(GetIsoFile()) == 0) { | |
208177a7 | 1694 | strcat(image_str, "[+mds]"); |
ef79bbde | 1695 | } |
92f43ab0 | 1696 | else if (parsecue(GetIsoFile()) == 0) { |
208177a7 | 1697 | strcat(image_str, "[+cue]"); |
92f43ab0 | 1698 | } |
0877957a | 1699 | if (handlepbp(GetIsoFile()) == 0) { |
208177a7 | 1700 | strcat(image_str, "[+pbp]"); |
9a92bffb | 1701 | CDR_getBuffer = ISOgetBuffer_compr; |
1702 | cdimg_read_func = cdread_compressed; | |
1703 | } | |
0877957a | 1704 | else if (handlecbin(GetIsoFile()) == 0) { |
208177a7 | 1705 | strcat(image_str, "[+cbin]"); |
0877957a | 1706 | CDR_getBuffer = ISOgetBuffer_compr; |
1707 | cdimg_read_func = cdread_compressed; | |
1708 | } | |
b0ec2e6d | 1709 | #ifdef HAVE_CHD |
ce188d4d | 1710 | else if (handlechd(GetIsoFile()) == 0) { |
208177a7 | 1711 | strcat(image_str, "[+chd]"); |
ce188d4d | 1712 | CDR_getBuffer = ISOgetBuffer_chd; |
1713 | cdimg_read_func = cdread_chd; | |
1714 | } | |
b0ec2e6d | 1715 | #endif |
ef79bbde P |
1716 | |
1717 | if (!subChanMixed && opensubfile(GetIsoFile()) == 0) { | |
208177a7 | 1718 | strcat(image_str, "[+sub]"); |
ef79bbde | 1719 | } |
ae4e7dc9 | 1720 | if (opensbifile(GetIsoFile()) == 0) { |
208177a7 | 1721 | strcat(image_str, "[+sbi]"); |
ae4e7dc9 | 1722 | } |
ef79bbde | 1723 | |
cc376814 | 1724 | fseeko(cdHandle, 0, SEEK_END); |
c9e5423e | 1725 | |
1726 | // maybe user selected metadata file instead of main .bin .. | |
689e0447 | 1727 | bin_filename = GetIsoFile(); |
cc376814 | 1728 | if (ftello(cdHandle) < 2352 * 0x10) { |
c9e5423e | 1729 | static const char *exts[] = { ".bin", ".BIN", ".img", ".IMG" }; |
689e0447 | 1730 | FILE *tmpf = NULL; |
c9e5423e | 1731 | size_t i; |
689e0447 | 1732 | char *p; |
c9e5423e | 1733 | |
689e0447 | 1734 | strncpy(alt_bin_filename, bin_filename, sizeof(alt_bin_filename)); |
1735 | alt_bin_filename[MAXPATHLEN - 1] = '\0'; | |
1736 | if (strlen(alt_bin_filename) >= 4) { | |
1737 | p = alt_bin_filename + strlen(alt_bin_filename) - 4; | |
c9e5423e | 1738 | for (i = 0; i < sizeof(exts) / sizeof(exts[0]); i++) { |
1739 | strcpy(p, exts[i]); | |
226a5691 | 1740 | tmpf = fopen(alt_bin_filename, "rb"); |
689e0447 | 1741 | if (tmpf != NULL) |
c9e5423e | 1742 | break; |
c9e5423e | 1743 | } |
1744 | } | |
689e0447 | 1745 | if (tmpf != NULL) { |
1746 | bin_filename = alt_bin_filename; | |
1747 | fclose(cdHandle); | |
1748 | cdHandle = tmpf; | |
cc376814 | 1749 | fseeko(cdHandle, 0, SEEK_END); |
689e0447 | 1750 | } |
c9e5423e | 1751 | } |
1752 | ||
1753 | // guess whether it is mode1/2048 | |
cc376814 | 1754 | if (ftello(cdHandle) % 2048 == 0) { |
9a92bffb | 1755 | unsigned int modeTest = 0; |
1756 | fseek(cdHandle, 0, SEEK_SET); | |
9361a5aa EC |
1757 | if (fread(&modeTest, sizeof(modeTest), 1, cdHandle) != sizeof(modeTest)) { |
1758 | #ifndef NDEBUG | |
1759 | SysPrintf(_("File IO error in <%s:%s>.\n"), __FILE__, __func__); | |
1760 | #endif | |
1761 | return -1; | |
1762 | } | |
9a92bffb | 1763 | if (SWAP32(modeTest) != 0xffffff00) { |
208177a7 | 1764 | strcat(image_str, "[2048]"); |
9a92bffb | 1765 | isMode1ISO = TRUE; |
1766 | } | |
1767 | } | |
1768 | fseek(cdHandle, 0, SEEK_SET); | |
1769 | ||
208177a7 | 1770 | SysPrintf("%s.\n", image_str); |
ef79bbde P |
1771 | |
1772 | PrintTracks(); | |
1773 | ||
9a92bffb | 1774 | if (subChanMixed) |
1775 | cdimg_read_func = cdread_sub_mixed; | |
1776 | else if (isMode1ISO) | |
1777 | cdimg_read_func = cdread_2048; | |
1778 | ||
38b8102c | 1779 | // make sure we have another handle open for cdda |
1780 | if (numtracks > 1 && ti[1].handle == NULL) { | |
226a5691 | 1781 | ti[1].handle = fopen(bin_filename, "rb"); |
38b8102c | 1782 | } |
77160d47 | 1783 | cdda_cur_sector = 0; |
1784 | cdda_file_offset = 0; | |
38b8102c | 1785 | |
679b71e2 JW |
1786 | if (Config.AsyncCD) { |
1787 | readThreadStart(); | |
1788 | } | |
ef79bbde P |
1789 | return 0; |
1790 | } | |
1791 | ||
1792 | static long CALLBACK ISOclose(void) { | |
38b8102c | 1793 | int i; |
1794 | ||
ef79bbde P |
1795 | if (cdHandle != NULL) { |
1796 | fclose(cdHandle); | |
1797 | cdHandle = NULL; | |
1798 | } | |
1799 | if (subHandle != NULL) { | |
1800 | fclose(subHandle); | |
1801 | subHandle = NULL; | |
1802 | } | |
1803 | stopCDDA(); | |
38b8102c | 1804 | cddaHandle = NULL; |
1805 | ||
9a92bffb | 1806 | if (compr_img != NULL) { |
1807 | free(compr_img->index_table); | |
1808 | free(compr_img); | |
1809 | compr_img = NULL; | |
1810 | } | |
1811 | ||
b0ec2e6d | 1812 | #ifdef HAVE_CHD |
ce188d4d | 1813 | if (chd_img != NULL) { |
1814 | chd_close(chd_img->chd); | |
1815 | free(chd_img->buffer); | |
1816 | free(chd_img); | |
1817 | chd_img = NULL; | |
1818 | } | |
b0ec2e6d | 1819 | #endif |
ce188d4d | 1820 | |
38b8102c | 1821 | for (i = 1; i <= numtracks; i++) { |
1822 | if (ti[i].handle != NULL) { | |
1823 | fclose(ti[i].handle); | |
1824 | ti[i].handle = NULL; | |
1825 | } | |
1826 | } | |
1827 | numtracks = 0; | |
c0ee7ac6 | 1828 | ti[1].type = 0; |
ae4e7dc9 | 1829 | UnloadSBI(); |
38b8102c | 1830 | |
c0ee7ac6 | 1831 | memset(cdbuffer, 0, sizeof(cdbuffer)); |
1832 | CDR_getBuffer = ISOgetBuffer; | |
1833 | ||
49942a16 | 1834 | if (Config.AsyncCD) { |
1835 | readThreadStop(); | |
1836 | } | |
1837 | ||
38b8102c | 1838 | return 0; |
1839 | } | |
1840 | ||
1841 | static long CALLBACK ISOinit(void) { | |
1842 | assert(cdHandle == NULL); | |
1843 | assert(subHandle == NULL); | |
1844 | ||
1845 | return 0; // do nothing | |
1846 | } | |
1847 | ||
1848 | static long CALLBACK ISOshutdown(void) { | |
1849 | ISOclose(); | |
ef79bbde P |
1850 | return 0; |
1851 | } | |
1852 | ||
1853 | // return Starting and Ending Track | |
1854 | // buffer: | |
1855 | // byte 0 - start track | |
1856 | // byte 1 - end track | |
1857 | static long CALLBACK ISOgetTN(unsigned char *buffer) { | |
1858 | buffer[0] = 1; | |
1859 | ||
1860 | if (numtracks > 0) { | |
1861 | buffer[1] = numtracks; | |
1862 | } | |
1863 | else { | |
1864 | buffer[1] = 1; | |
1865 | } | |
1866 | ||
1867 | return 0; | |
1868 | } | |
1869 | ||
1870 | // return Track Time | |
1871 | // buffer: | |
1872 | // byte 0 - frame | |
1873 | // byte 1 - second | |
1874 | // byte 2 - minute | |
1875 | static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) { | |
858ad511 | 1876 | if (track == 0) { |
858ad511 | 1877 | unsigned int sect; |
1878 | unsigned char time[3]; | |
1879 | sect = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length); | |
ab948f7e | 1880 | sec2msf(sect, (char *)time); |
858ad511 | 1881 | buffer[2] = time[0]; |
1882 | buffer[1] = time[1]; | |
1883 | buffer[0] = time[2]; | |
1884 | } | |
1885 | else if (numtracks > 0 && track <= numtracks) { | |
ef79bbde P |
1886 | buffer[2] = ti[track].start[0]; |
1887 | buffer[1] = ti[track].start[1]; | |
1888 | buffer[0] = ti[track].start[2]; | |
1889 | } | |
1890 | else { | |
1891 | buffer[2] = 0; | |
1892 | buffer[1] = 2; | |
1893 | buffer[0] = 0; | |
1894 | } | |
1895 | ||
1896 | return 0; | |
1897 | } | |
1898 | ||
1899 | // decode 'raw' subchannel data ripped by cdrdao | |
1900 | static void DecodeRawSubData(void) { | |
1901 | unsigned char subQData[12]; | |
1902 | int i; | |
1903 | ||
1904 | memset(subQData, 0, sizeof(subQData)); | |
1905 | ||
1906 | for (i = 0; i < 8 * 12; i++) { | |
1907 | if (subbuffer[i] & (1 << 6)) { // only subchannel Q is needed | |
1908 | subQData[i >> 3] |= (1 << (7 - (i & 7))); | |
1909 | } | |
1910 | } | |
1911 | ||
1912 | memcpy(&subbuffer[12], subQData, 12); | |
1913 | } | |
1914 | ||
1915 | // read track | |
1916 | // time: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1917 | // uses bcd format | |
1918 | static long CALLBACK ISOreadTrack(unsigned char *time) { | |
19c03d80 | 1919 | int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])); |
c0ee7ac6 | 1920 | long ret; |
19c03d80 | 1921 | |
ef79bbde P |
1922 | if (cdHandle == NULL) { |
1923 | return -1; | |
1924 | } | |
1925 | ||
8aa91443 | 1926 | if (pregapOffset) { |
1927 | subChanMissing = FALSE; | |
1928 | if (sector >= pregapOffset) { | |
1929 | sector -= 2 * 75; | |
1930 | if (sector < pregapOffset) | |
1931 | subChanMissing = TRUE; | |
1932 | } | |
1933 | } | |
1934 | ||
c0ee7ac6 | 1935 | ret = cdimg_read_func(cdHandle, 0, cdbuffer, sector); |
1936 | if (ret < 0) | |
1937 | return -1; | |
ef79bbde | 1938 | |
9a92bffb | 1939 | if (subHandle != NULL) { |
1940 | fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET); | |
9361a5aa EC |
1941 | if (fread(subbuffer, 1, SUB_FRAMESIZE, subHandle) != SUB_FRAMESIZE) |
1942 | /* Faulty subchannel data shouldn't cause a read failure */ | |
1943 | return 0; | |
ef79bbde | 1944 | |
9a92bffb | 1945 | if (subChanRaw) DecodeRawSubData(); |
ef79bbde P |
1946 | } |
1947 | ||
1948 | return 0; | |
1949 | } | |
1950 | ||
ef79bbde P |
1951 | // plays cdda audio |
1952 | // sector: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1953 | // does NOT uses bcd format | |
1954 | static long CALLBACK ISOplay(unsigned char *time) { | |
77160d47 | 1955 | unsigned int i; |
38b8102c | 1956 | |
7b8da7ab | 1957 | if (numtracks <= 1) |
1958 | return 0; | |
1959 | ||
38b8102c | 1960 | // find the track |
77160d47 | 1961 | cdda_cur_sector = msf2sec((char *)time); |
2058d51f | 1962 | for (i = numtracks; i > 1; i--) { |
77160d47 | 1963 | cdda_first_sector = msf2sec(ti[i].start); |
1964 | if (cdda_first_sector <= cdda_cur_sector + 2 * 75) | |
38b8102c | 1965 | break; |
2058d51f | 1966 | } |
77160d47 | 1967 | cdda_file_offset = ti[i].start_offset; |
19c03d80 | 1968 | |
38b8102c | 1969 | // find the file that contains this track |
1970 | for (; i > 1; i--) | |
1971 | if (ti[i].handle != NULL) | |
1972 | break; | |
1973 | ||
2058d51f | 1974 | cddaHandle = ti[i].handle; |
8aa91443 | 1975 | |
77160d47 | 1976 | if (SPU_playCDDAchannel != NULL) |
1977 | startCDDA(); | |
1978 | ||
ef79bbde P |
1979 | return 0; |
1980 | } | |
1981 | ||
1982 | // stops cdda audio | |
1983 | static long CALLBACK ISOstop(void) { | |
1984 | stopCDDA(); | |
1985 | return 0; | |
1986 | } | |
1987 | ||
1988 | // gets subchannel data | |
1989 | static unsigned char* CALLBACK ISOgetBufferSub(void) { | |
8aa91443 | 1990 | if ((subHandle != NULL || subChanMixed) && !subChanMissing) { |
ef79bbde P |
1991 | return subbuffer; |
1992 | } | |
1993 | ||
1994 | return NULL; | |
1995 | } | |
1996 | ||
1997 | static long CALLBACK ISOgetStatus(struct CdrStat *stat) { | |
deebc67f | 1998 | u32 sect; |
1999 | ||
ef79bbde | 2000 | CDR__getStatus(stat); |
deebc67f | 2001 | |
ef79bbde P |
2002 | if (playing) { |
2003 | stat->Type = 0x02; | |
2004 | stat->Status |= 0x80; | |
ef79bbde P |
2005 | } |
2006 | else { | |
deebc67f | 2007 | // BIOS - boot ID (CD type) |
2008 | stat->Type = ti[1].type; | |
2009 | } | |
2010 | ||
2011 | // relative -> absolute time | |
2012 | sect = cddaCurPos; | |
2013 | sec2msf(sect, (char *)stat->Time); | |
2014 | ||
2015 | return 0; | |
2016 | } | |
2017 | ||
2018 | // read CDDA sector into buffer | |
2019 | long CALLBACK ISOreadCDDA(unsigned char m, unsigned char s, unsigned char f, unsigned char *buffer) { | |
2020 | unsigned char msf[3] = {m, s, f}; | |
2021 | unsigned int file, track, track_start = 0; | |
2022 | int ret; | |
2023 | ||
2024 | cddaCurPos = msf2sec((char *)msf); | |
2025 | ||
2026 | // find current track index | |
2027 | for (track = numtracks; ; track--) { | |
2028 | track_start = msf2sec(ti[track].start); | |
2029 | if (track_start <= cddaCurPos) | |
2030 | break; | |
2031 | if (track == 1) | |
2032 | break; | |
2033 | } | |
2034 | ||
2035 | // data tracks play silent | |
2036 | if (ti[track].type != CDDA) { | |
2037 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
2038 | return 0; | |
2039 | } | |
2040 | ||
2041 | file = 1; | |
2042 | if (multifile) { | |
2043 | // find the file that contains this track | |
2044 | for (file = track; file > 1; file--) | |
2045 | if (ti[file].handle != NULL) | |
2046 | break; | |
ef79bbde P |
2047 | } |
2048 | ||
deebc67f | 2049 | ret = cdimg_read_func(ti[file].handle, ti[track].start_offset, |
2050 | buffer, cddaCurPos - track_start); | |
2051 | if (ret != CD_FRAMESIZE_RAW) { | |
2052 | memset(buffer, 0, CD_FRAMESIZE_RAW); | |
2053 | return -1; | |
2054 | } | |
2055 | ||
2056 | if (cddaBigEndian) { | |
2057 | int i; | |
2058 | unsigned char tmp; | |
2059 | ||
2060 | for (i = 0; i < CD_FRAMESIZE_RAW / 2; i++) { | |
2061 | tmp = buffer[i * 2]; | |
2062 | buffer[i * 2] = buffer[i * 2 + 1]; | |
2063 | buffer[i * 2 + 1] = tmp; | |
2064 | } | |
2065 | } | |
858ad511 | 2066 | |
ef79bbde P |
2067 | return 0; |
2068 | } | |
2069 | ||
2070 | void cdrIsoInit(void) { | |
2071 | CDR_init = ISOinit; | |
2072 | CDR_shutdown = ISOshutdown; | |
2073 | CDR_open = ISOopen; | |
2074 | CDR_close = ISOclose; | |
2075 | CDR_getTN = ISOgetTN; | |
2076 | CDR_getTD = ISOgetTD; | |
2077 | CDR_readTrack = ISOreadTrack; | |
2078 | CDR_getBuffer = ISOgetBuffer; | |
2079 | CDR_play = ISOplay; | |
2080 | CDR_stop = ISOstop; | |
2081 | CDR_getBufferSub = ISOgetBufferSub; | |
2082 | CDR_getStatus = ISOgetStatus; | |
deebc67f | 2083 | CDR_readCDDA = ISOreadCDDA; |
ef79bbde P |
2084 | |
2085 | CDR_getDriveLetter = CDR__getDriveLetter; | |
2086 | CDR_configure = CDR__configure; | |
2087 | CDR_test = CDR__test; | |
2088 | CDR_about = CDR__about; | |
2089 | CDR_setfilename = CDR__setfilename; | |
2090 | ||
2091 | numtracks = 0; | |
2092 | } | |
2093 | ||
2094 | int cdrIsoActive(void) { | |
2095 | return (cdHandle != NULL); | |
2096 | } |