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ef79bbde P |
1 | /*************************************************************************** |
2 | * Copyright (C) 2007 PCSX-df Team * | |
3 | * Copyright (C) 2009 Wei Mingzhi * | |
4 | * * | |
5 | * This program is free software; you can redistribute it and/or modify * | |
6 | * it under the terms of the GNU General Public License as published by * | |
7 | * the Free Software Foundation; either version 2 of the License, or * | |
8 | * (at your option) any later version. * | |
9 | * * | |
10 | * This program is distributed in the hope that it will be useful, * | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
13 | * GNU General Public License for more details. * | |
14 | * * | |
15 | * You should have received a copy of the GNU General Public License * | |
16 | * along with this program; if not, write to the * | |
17 | * Free Software Foundation, Inc., * | |
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * | |
19 | ***************************************************************************/ | |
20 | ||
21 | #include "psxcommon.h" | |
22 | #include "plugins.h" | |
23 | #include "cdrom.h" | |
24 | #include "cdriso.h" | |
ae4e7dc9 | 25 | #include "ppf.h" |
ef79bbde P |
26 | |
27 | #ifdef _WIN32 | |
28 | #include <process.h> | |
29 | #include <windows.h> | |
30 | #else | |
31 | #include <pthread.h> | |
32 | #include <sys/time.h> | |
33 | #endif | |
9a92bffb | 34 | #include <zlib.h> |
ef79bbde P |
35 | |
36 | static FILE *cdHandle = NULL; | |
37 | static FILE *cddaHandle = NULL; | |
38 | static FILE *subHandle = NULL; | |
39 | ||
40 | static boolean subChanMixed = FALSE; | |
41 | static boolean subChanRaw = FALSE; | |
8aa91443 | 42 | static boolean subChanMissing = FALSE; |
ef79bbde P |
43 | |
44 | static unsigned char cdbuffer[DATA_SIZE]; | |
45 | static unsigned char subbuffer[SUB_FRAMESIZE]; | |
46 | ||
47 | static unsigned char sndbuffer[CD_FRAMESIZE_RAW * 10]; | |
48 | ||
49 | #define CDDA_FRAMETIME (1000 * (sizeof(sndbuffer) / CD_FRAMESIZE_RAW) / 75) | |
50 | ||
51 | #ifdef _WIN32 | |
52 | static HANDLE threadid; | |
53 | #else | |
54 | static pthread_t threadid; | |
55 | #endif | |
56 | static unsigned int initial_offset = 0; | |
38b8102c | 57 | static boolean playing = FALSE; |
ef79bbde | 58 | static boolean cddaBigEndian = FALSE; |
9a92bffb | 59 | static unsigned int cdda_cur_sector; |
60 | static unsigned int cdda_start_sector; | |
8aa91443 | 61 | /* Frame offset into CD image where pregap data would be found if it was there. |
62 | * If a game seeks there we must *not* return subchannel data since it's | |
63 | * not in the CD image, so that cdrom code can fake subchannel data instead. | |
64 | * XXX: there could be multiple pregaps but PSX dumps only have one? */ | |
65 | static unsigned int pregapOffset; | |
ef79bbde | 66 | |
9a92bffb | 67 | // compressed image stuff |
68 | static struct { | |
69 | unsigned char buff_raw[16][CD_FRAMESIZE_RAW]; | |
70 | unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100]; | |
71 | unsigned int *index_table; | |
72 | unsigned int index_len; | |
0877957a | 73 | unsigned int block_shift; |
9a92bffb | 74 | unsigned int current_block; |
75 | unsigned int sector_in_blk; | |
76 | } *compr_img; | |
77 | ||
78 | int (*cdimg_read_func)(FILE *f, void *dest, int sector, int offset); | |
79 | ||
ef79bbde P |
80 | char* CALLBACK CDR__getDriveLetter(void); |
81 | long CALLBACK CDR__configure(void); | |
82 | long CALLBACK CDR__test(void); | |
83 | void CALLBACK CDR__about(void); | |
84 | long CALLBACK CDR__setfilename(char *filename); | |
85 | long CALLBACK CDR__getStatus(struct CdrStat *stat); | |
86 | ||
19c03d80 | 87 | static void DecodeRawSubData(void); |
88 | ||
ef79bbde P |
89 | extern void *hCDRDriver; |
90 | ||
91 | struct trackinfo { | |
92 | enum {DATA, CDDA} type; | |
93 | char start[3]; // MSF-format | |
94 | char length[3]; // MSF-format | |
38b8102c | 95 | FILE *handle; // for multi-track images CDDA |
19c03d80 | 96 | int start_offset; // sector offset from start of above file |
ef79bbde P |
97 | }; |
98 | ||
99 | #define MAXTRACKS 100 /* How many tracks can a CD hold? */ | |
100 | ||
101 | static int numtracks = 0; | |
102 | static struct trackinfo ti[MAXTRACKS]; | |
103 | ||
104 | // get a sector from a msf-array | |
105 | static unsigned int msf2sec(char *msf) { | |
106 | return ((msf[0] * 60 + msf[1]) * 75) + msf[2]; | |
107 | } | |
108 | ||
109 | static void sec2msf(unsigned int s, char *msf) { | |
110 | msf[0] = s / 75 / 60; | |
111 | s = s - msf[0] * 75 * 60; | |
112 | msf[1] = s / 75; | |
113 | s = s - msf[1] * 75; | |
114 | msf[2] = s; | |
115 | } | |
116 | ||
117 | // divide a string of xx:yy:zz into m, s, f | |
118 | static void tok2msf(char *time, char *msf) { | |
119 | char *token; | |
120 | ||
121 | token = strtok(time, ":"); | |
122 | if (token) { | |
123 | msf[0] = atoi(token); | |
124 | } | |
125 | else { | |
126 | msf[0] = 0; | |
127 | } | |
128 | ||
129 | token = strtok(NULL, ":"); | |
130 | if (token) { | |
131 | msf[1] = atoi(token); | |
132 | } | |
133 | else { | |
134 | msf[1] = 0; | |
135 | } | |
136 | ||
137 | token = strtok(NULL, ":"); | |
138 | if (token) { | |
139 | msf[2] = atoi(token); | |
140 | } | |
141 | else { | |
142 | msf[2] = 0; | |
143 | } | |
144 | } | |
145 | ||
146 | #ifndef _WIN32 | |
147 | static long GetTickCount(void) { | |
148 | static time_t initial_time = 0; | |
149 | struct timeval now; | |
150 | ||
151 | gettimeofday(&now, NULL); | |
152 | ||
153 | if (initial_time == 0) { | |
154 | initial_time = now.tv_sec; | |
155 | } | |
156 | ||
157 | return (now.tv_sec - initial_time) * 1000L + now.tv_usec / 1000L; | |
158 | } | |
159 | #endif | |
160 | ||
161 | // this thread plays audio data | |
162 | #ifdef _WIN32 | |
163 | static void playthread(void *param) | |
164 | #else | |
165 | static void *playthread(void *param) | |
166 | #endif | |
167 | { | |
983a7cfd | 168 | long osleep, d, t, i, s; |
ef79bbde | 169 | unsigned char tmp; |
983a7cfd | 170 | int ret = 0; |
ef79bbde P |
171 | |
172 | t = GetTickCount(); | |
173 | ||
174 | while (playing) { | |
9a92bffb | 175 | s = 0; |
176 | for (i = 0; i < sizeof(sndbuffer) / CD_FRAMESIZE_RAW; i++) { | |
177 | d = cdimg_read_func(cddaHandle, sndbuffer + s, cdda_cur_sector, 0); | |
178 | if (d < CD_FRAMESIZE_RAW) | |
179 | break; | |
ef79bbde | 180 | |
9a92bffb | 181 | s += d; |
182 | cdda_cur_sector++; | |
ef79bbde | 183 | } |
19c03d80 | 184 | |
9a92bffb | 185 | if (subHandle != NULL) { |
186 | fseek(subHandle, cdda_cur_sector * SUB_FRAMESIZE, SEEK_SET); | |
187 | fread(subbuffer, 1, SUB_FRAMESIZE, subHandle); | |
19c03d80 | 188 | |
9a92bffb | 189 | if (subChanRaw) DecodeRawSubData(); |
ef79bbde P |
190 | } |
191 | ||
192 | if (s == 0) { | |
193 | playing = FALSE; | |
ef79bbde P |
194 | initial_offset = 0; |
195 | break; | |
196 | } | |
197 | ||
198 | if (!cdr.Muted && playing) { | |
199 | if (cddaBigEndian) { | |
200 | for (i = 0; i < s / 2; i++) { | |
201 | tmp = sndbuffer[i * 2]; | |
202 | sndbuffer[i * 2] = sndbuffer[i * 2 + 1]; | |
203 | sndbuffer[i * 2 + 1] = tmp; | |
204 | } | |
205 | } | |
206 | ||
983a7cfd | 207 | do { |
208 | ret = SPU_playCDDAchannel((short *)sndbuffer, s); | |
209 | if (ret == 0x7761) | |
210 | usleep(6 * 1000); | |
211 | } while (ret == 0x7761 && playing); // rearmed_wait | |
ef79bbde | 212 | } |
983a7cfd | 213 | |
214 | if (ret != 0x676f) { // !rearmed_go | |
215 | // do approx sleep | |
216 | long now; | |
217 | ||
218 | // HACK: stop feeding data while emu is paused | |
219 | extern int stop; | |
220 | while (stop && playing) | |
221 | usleep(10000); | |
222 | ||
223 | now = GetTickCount(); | |
224 | osleep = t - now; | |
225 | if (osleep <= 0) { | |
226 | osleep = 1; | |
227 | t = now; | |
228 | } | |
229 | else if (osleep > CDDA_FRAMETIME) { | |
230 | osleep = CDDA_FRAMETIME; | |
231 | t = now; | |
232 | } | |
233 | ||
234 | usleep(osleep * 1000); | |
235 | t += CDDA_FRAMETIME; | |
236 | } | |
237 | ||
ef79bbde P |
238 | } |
239 | ||
240 | #ifdef _WIN32 | |
241 | _endthread(); | |
242 | #else | |
243 | pthread_exit(0); | |
244 | return NULL; | |
245 | #endif | |
246 | } | |
247 | ||
248 | // stop the CDDA playback | |
249 | static void stopCDDA() { | |
250 | if (!playing) { | |
251 | return; | |
252 | } | |
253 | ||
254 | playing = FALSE; | |
255 | #ifdef _WIN32 | |
256 | WaitForSingleObject(threadid, INFINITE); | |
257 | #else | |
258 | pthread_join(threadid, NULL); | |
259 | #endif | |
ef79bbde P |
260 | } |
261 | ||
262 | // start the CDDA playback | |
9a92bffb | 263 | static void startCDDA(unsigned int sector) { |
ef79bbde | 264 | if (playing) { |
ef79bbde P |
265 | stopCDDA(); |
266 | } | |
267 | ||
9a92bffb | 268 | cdda_cur_sector = sector; |
ef79bbde P |
269 | playing = TRUE; |
270 | ||
271 | #ifdef _WIN32 | |
272 | threadid = (HANDLE)_beginthread(playthread, 0, NULL); | |
273 | #else | |
274 | pthread_create(&threadid, NULL, playthread, NULL); | |
275 | #endif | |
276 | } | |
277 | ||
278 | // this function tries to get the .toc file of the given .bin | |
279 | // the necessary data is put into the ti (trackinformation)-array | |
280 | static int parsetoc(const char *isofile) { | |
281 | char tocname[MAXPATHLEN]; | |
282 | FILE *fi; | |
283 | char linebuf[256], dummy[256], name[256]; | |
284 | char *token; | |
285 | char time[20], time2[20]; | |
19c03d80 | 286 | unsigned int t, sector_offs; |
ef79bbde P |
287 | |
288 | numtracks = 0; | |
289 | ||
290 | // copy name of the iso and change extension from .bin to .toc | |
291 | strncpy(tocname, isofile, sizeof(tocname)); | |
292 | tocname[MAXPATHLEN - 1] = '\0'; | |
293 | if (strlen(tocname) >= 4) { | |
294 | strcpy(tocname + strlen(tocname) - 4, ".toc"); | |
295 | } | |
296 | else { | |
297 | return -1; | |
298 | } | |
299 | ||
300 | if ((fi = fopen(tocname, "r")) == NULL) { | |
301 | // try changing extension to .cue (to satisfy some stupid tutorials) | |
302 | strcpy(tocname + strlen(tocname) - 4, ".cue"); | |
303 | if ((fi = fopen(tocname, "r")) == NULL) { | |
304 | // if filename is image.toc.bin, try removing .bin (for Brasero) | |
305 | strcpy(tocname, isofile); | |
306 | t = strlen(tocname); | |
307 | if (t >= 8 && strcmp(tocname + t - 8, ".toc.bin") == 0) { | |
308 | tocname[t - 4] = '\0'; | |
309 | if ((fi = fopen(tocname, "r")) == NULL) { | |
310 | return -1; | |
311 | } | |
312 | } | |
313 | else { | |
314 | return -1; | |
315 | } | |
316 | } | |
317 | } | |
318 | ||
319 | memset(&ti, 0, sizeof(ti)); | |
320 | cddaBigEndian = TRUE; // cdrdao uses big-endian for CD Audio | |
321 | ||
19c03d80 | 322 | sector_offs = 2 * 75; |
323 | ||
ef79bbde P |
324 | // parse the .toc file |
325 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
326 | // search for tracks | |
327 | strncpy(dummy, linebuf, sizeof(linebuf)); | |
328 | token = strtok(dummy, " "); | |
329 | ||
330 | if (token == NULL) continue; | |
331 | ||
332 | if (!strcmp(token, "TRACK")) { | |
333 | // get type of track | |
334 | token = strtok(NULL, " "); | |
335 | numtracks++; | |
336 | ||
337 | if (!strncmp(token, "MODE2_RAW", 9)) { | |
338 | ti[numtracks].type = DATA; | |
339 | sec2msf(2 * 75, ti[numtracks].start); // assume data track on 0:2:0 | |
340 | ||
341 | // check if this image contains mixed subchannel data | |
342 | token = strtok(NULL, " "); | |
343 | if (token != NULL && !strncmp(token, "RW_RAW", 6)) { | |
344 | subChanMixed = TRUE; | |
345 | subChanRaw = TRUE; | |
346 | } | |
347 | } | |
348 | else if (!strncmp(token, "AUDIO", 5)) { | |
349 | ti[numtracks].type = CDDA; | |
350 | } | |
351 | } | |
352 | else if (!strcmp(token, "DATAFILE")) { | |
353 | if (ti[numtracks].type == CDDA) { | |
354 | sscanf(linebuf, "DATAFILE \"%[^\"]\" #%d %8s", name, &t, time2); | |
355 | t /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0); | |
19c03d80 | 356 | ti[numtracks].start_offset = t; |
357 | t += sector_offs; | |
ef79bbde P |
358 | sec2msf(t, (char *)&ti[numtracks].start); |
359 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
360 | } | |
361 | else { | |
362 | sscanf(linebuf, "DATAFILE \"%[^\"]\" %8s", name, time); | |
363 | tok2msf((char *)&time, (char *)&ti[numtracks].length); | |
364 | } | |
365 | } | |
366 | else if (!strcmp(token, "FILE")) { | |
367 | sscanf(linebuf, "FILE \"%[^\"]\" #%d %8s %8s", name, &t, time, time2); | |
368 | tok2msf((char *)&time, (char *)&ti[numtracks].start); | |
369 | t /= CD_FRAMESIZE_RAW + (subChanMixed ? SUB_FRAMESIZE : 0); | |
19c03d80 | 370 | ti[numtracks].start_offset = t; |
371 | t += msf2sec(ti[numtracks].start) + sector_offs; | |
ef79bbde P |
372 | sec2msf(t, (char *)&ti[numtracks].start); |
373 | tok2msf((char *)&time2, (char *)&ti[numtracks].length); | |
374 | } | |
19c03d80 | 375 | else if (!strcmp(token, "ZERO")) { |
376 | sscanf(linebuf, "ZERO AUDIO RW_RAW %8s", time); | |
377 | tok2msf((char *)&time, dummy); | |
378 | sector_offs += msf2sec(dummy); | |
8aa91443 | 379 | if (numtracks > 1) { |
380 | t = ti[numtracks - 1].start_offset; | |
381 | pregapOffset = t + msf2sec(ti[numtracks - 1].length); | |
382 | } | |
19c03d80 | 383 | } |
ef79bbde P |
384 | } |
385 | ||
386 | fclose(fi); | |
387 | ||
388 | return 0; | |
389 | } | |
390 | ||
391 | // this function tries to get the .cue file of the given .bin | |
392 | // the necessary data is put into the ti (trackinformation)-array | |
393 | static int parsecue(const char *isofile) { | |
394 | char cuename[MAXPATHLEN]; | |
38b8102c | 395 | char filepath[MAXPATHLEN]; |
396 | char *incue_fname; | |
ef79bbde P |
397 | FILE *fi; |
398 | char *token; | |
399 | char time[20]; | |
400 | char *tmp; | |
19c03d80 | 401 | char linebuf[256], tmpb[256], dummy[256]; |
38b8102c | 402 | unsigned int incue_max_len; |
19c03d80 | 403 | unsigned int t, file_len, sector_offs; |
ef79bbde P |
404 | |
405 | numtracks = 0; | |
406 | ||
407 | // copy name of the iso and change extension from .bin to .cue | |
408 | strncpy(cuename, isofile, sizeof(cuename)); | |
409 | cuename[MAXPATHLEN - 1] = '\0'; | |
410 | if (strlen(cuename) >= 4) { | |
411 | strcpy(cuename + strlen(cuename) - 4, ".cue"); | |
412 | } | |
413 | else { | |
414 | return -1; | |
415 | } | |
416 | ||
417 | if ((fi = fopen(cuename, "r")) == NULL) { | |
418 | return -1; | |
419 | } | |
420 | ||
421 | // Some stupid tutorials wrongly tell users to use cdrdao to rip a | |
422 | // "bin/cue" image, which is in fact a "bin/toc" image. So let's check | |
423 | // that... | |
424 | if (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
425 | if (!strncmp(linebuf, "CD_ROM_XA", 9)) { | |
426 | // Don't proceed further, as this is actually a .toc file rather | |
427 | // than a .cue file. | |
428 | fclose(fi); | |
429 | return parsetoc(isofile); | |
430 | } | |
431 | fseek(fi, 0, SEEK_SET); | |
432 | } | |
433 | ||
38b8102c | 434 | // build a path for files referenced in .cue |
435 | strncpy(filepath, cuename, sizeof(filepath)); | |
436 | tmp = strrchr(filepath, '/') + 1; | |
437 | if (tmp == NULL) | |
438 | tmp = strrchr(filepath, '\\') + 1; | |
439 | if (tmp == NULL) | |
440 | tmp = filepath; | |
441 | *tmp = 0; | |
442 | filepath[sizeof(filepath) - 1] = 0; | |
443 | incue_fname = tmp; | |
444 | incue_max_len = sizeof(filepath) - (tmp - filepath) - 1; | |
445 | ||
ef79bbde P |
446 | memset(&ti, 0, sizeof(ti)); |
447 | ||
19c03d80 | 448 | file_len = 0; |
449 | sector_offs = 2 * 75; | |
450 | ||
ef79bbde P |
451 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { |
452 | strncpy(dummy, linebuf, sizeof(linebuf)); | |
453 | token = strtok(dummy, " "); | |
454 | ||
455 | if (token == NULL) { | |
456 | continue; | |
457 | } | |
458 | ||
19c03d80 | 459 | if (!strcmp(token, "TRACK")) { |
ef79bbde P |
460 | numtracks++; |
461 | ||
462 | if (strstr(linebuf, "AUDIO") != NULL) { | |
463 | ti[numtracks].type = CDDA; | |
464 | } | |
465 | else if (strstr(linebuf, "MODE1/2352") != NULL || strstr(linebuf, "MODE2/2352") != NULL) { | |
466 | ti[numtracks].type = DATA; | |
467 | } | |
468 | } | |
469 | else if (!strcmp(token, "INDEX")) { | |
19c03d80 | 470 | sscanf(linebuf, " INDEX %02d %8s", &t, time); |
471 | tok2msf(time, (char *)&ti[numtracks].start); | |
ef79bbde | 472 | |
19c03d80 | 473 | t = msf2sec(ti[numtracks].start); |
474 | ti[numtracks].start_offset = t; | |
475 | t += sector_offs; | |
ef79bbde | 476 | sec2msf(t, ti[numtracks].start); |
19c03d80 | 477 | |
478 | // default track length to file length | |
479 | t = file_len - ti[numtracks].start_offset; | |
480 | sec2msf(t, ti[numtracks].length); | |
481 | ||
482 | if (numtracks > 1 && ti[numtracks].handle == NULL) { | |
483 | // this track uses the same file as the last, | |
484 | // start of this track is last track's end | |
485 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
486 | sec2msf(t, ti[numtracks - 1].length); | |
38b8102c | 487 | } |
8aa91443 | 488 | if (numtracks > 1 && pregapOffset == -1) |
489 | pregapOffset = ti[numtracks].start_offset; | |
19c03d80 | 490 | } |
491 | else if (!strcmp(token, "PREGAP")) { | |
492 | if (sscanf(linebuf, " PREGAP %8s", time) == 1) { | |
493 | tok2msf(time, dummy); | |
494 | sector_offs += msf2sec(dummy); | |
38b8102c | 495 | } |
8aa91443 | 496 | pregapOffset = -1; // mark to fill track start_offset |
19c03d80 | 497 | } |
498 | else if (!strcmp(token, "FILE")) { | |
499 | sscanf(linebuf, " FILE \"%[^\"]\"", tmpb); | |
500 | ||
501 | // absolute path? | |
502 | ti[numtracks + 1].handle = fopen(tmpb, "rb"); | |
503 | if (ti[numtracks + 1].handle == NULL) { | |
504 | // relative to .cue? | |
505 | tmp = strrchr(tmpb, '\\'); | |
506 | if (tmp == NULL) | |
507 | tmp = strrchr(tmpb, '/'); | |
38b8102c | 508 | if (tmp != NULL) |
19c03d80 | 509 | tmp++; |
510 | else | |
511 | tmp = tmpb; | |
512 | strncpy(incue_fname, tmp, incue_max_len); | |
513 | ti[numtracks + 1].handle = fopen(filepath, "rb"); | |
38b8102c | 514 | } |
ef79bbde | 515 | |
19c03d80 | 516 | // update global offset if this is not first file in this .cue |
517 | if (numtracks + 1 > 1) | |
518 | sector_offs += file_len; | |
519 | ||
520 | file_len = 0; | |
38b8102c | 521 | if (ti[numtracks + 1].handle == NULL) { |
19c03d80 | 522 | SysPrintf(_("\ncould not open: %s\n"), filepath); |
523 | continue; | |
38b8102c | 524 | } |
19c03d80 | 525 | fseek(ti[numtracks + 1].handle, 0, SEEK_END); |
526 | file_len = ftell(ti[numtracks + 1].handle) / 2352; | |
527 | ||
528 | if (numtracks == 0 && strlen(isofile) >= 4 && | |
529 | strcmp(isofile + strlen(isofile) - 4, ".cue") == 0) | |
530 | { | |
38b8102c | 531 | // user selected .cue as image file, use it's data track instead |
532 | fclose(cdHandle); | |
533 | cdHandle = fopen(filepath, "rb"); | |
ef79bbde P |
534 | } |
535 | } | |
536 | } | |
537 | ||
538 | fclose(fi); | |
539 | ||
ef79bbde P |
540 | return 0; |
541 | } | |
542 | ||
543 | // this function tries to get the .ccd file of the given .img | |
544 | // the necessary data is put into the ti (trackinformation)-array | |
545 | static int parseccd(const char *isofile) { | |
546 | char ccdname[MAXPATHLEN]; | |
547 | FILE *fi; | |
548 | char linebuf[256]; | |
549 | unsigned int t; | |
550 | ||
551 | numtracks = 0; | |
552 | ||
553 | // copy name of the iso and change extension from .img to .ccd | |
554 | strncpy(ccdname, isofile, sizeof(ccdname)); | |
555 | ccdname[MAXPATHLEN - 1] = '\0'; | |
556 | if (strlen(ccdname) >= 4) { | |
557 | strcpy(ccdname + strlen(ccdname) - 4, ".ccd"); | |
558 | } | |
559 | else { | |
560 | return -1; | |
561 | } | |
562 | ||
563 | if ((fi = fopen(ccdname, "r")) == NULL) { | |
564 | return -1; | |
565 | } | |
566 | ||
567 | memset(&ti, 0, sizeof(ti)); | |
568 | ||
569 | while (fgets(linebuf, sizeof(linebuf), fi) != NULL) { | |
570 | if (!strncmp(linebuf, "[TRACK", 6)){ | |
571 | numtracks++; | |
572 | } | |
573 | else if (!strncmp(linebuf, "MODE=", 5)) { | |
574 | sscanf(linebuf, "MODE=%d", &t); | |
575 | ti[numtracks].type = ((t == 0) ? CDDA : DATA); | |
576 | } | |
577 | else if (!strncmp(linebuf, "INDEX 1=", 8)) { | |
578 | sscanf(linebuf, "INDEX 1=%d", &t); | |
579 | sec2msf(t + 2 * 75, ti[numtracks].start); | |
19c03d80 | 580 | ti[numtracks].start_offset = t; |
ef79bbde P |
581 | |
582 | // If we've already seen another track, this is its end | |
583 | if (numtracks > 1) { | |
584 | t = msf2sec(ti[numtracks].start) - msf2sec(ti[numtracks - 1].start); | |
585 | sec2msf(t, ti[numtracks - 1].length); | |
586 | } | |
587 | } | |
588 | } | |
589 | ||
590 | fclose(fi); | |
591 | ||
592 | // Fill out the last track's end based on size | |
593 | if (numtracks >= 1) { | |
594 | fseek(cdHandle, 0, SEEK_END); | |
595 | t = ftell(cdHandle) / 2352 - msf2sec(ti[numtracks].start) + 2 * 75; | |
596 | sec2msf(t, ti[numtracks].length); | |
597 | } | |
598 | ||
599 | return 0; | |
600 | } | |
601 | ||
602 | // this function tries to get the .mds file of the given .mdf | |
603 | // the necessary data is put into the ti (trackinformation)-array | |
604 | static int parsemds(const char *isofile) { | |
605 | char mdsname[MAXPATHLEN]; | |
606 | FILE *fi; | |
607 | unsigned int offset, extra_offset, l, i; | |
608 | unsigned short s; | |
609 | ||
610 | numtracks = 0; | |
611 | ||
612 | // copy name of the iso and change extension from .mdf to .mds | |
613 | strncpy(mdsname, isofile, sizeof(mdsname)); | |
614 | mdsname[MAXPATHLEN - 1] = '\0'; | |
615 | if (strlen(mdsname) >= 4) { | |
616 | strcpy(mdsname + strlen(mdsname) - 4, ".mds"); | |
617 | } | |
618 | else { | |
619 | return -1; | |
620 | } | |
621 | ||
622 | if ((fi = fopen(mdsname, "rb")) == NULL) { | |
623 | return -1; | |
624 | } | |
625 | ||
626 | memset(&ti, 0, sizeof(ti)); | |
627 | ||
628 | // check if it's a valid mds file | |
629 | fread(&i, 1, sizeof(unsigned int), fi); | |
630 | i = SWAP32(i); | |
631 | if (i != 0x4944454D) { | |
632 | // not an valid mds file | |
633 | fclose(fi); | |
634 | return -1; | |
635 | } | |
636 | ||
637 | // get offset to session block | |
638 | fseek(fi, 0x50, SEEK_SET); | |
639 | fread(&offset, 1, sizeof(unsigned int), fi); | |
640 | offset = SWAP32(offset); | |
641 | ||
642 | // get total number of tracks | |
643 | offset += 14; | |
644 | fseek(fi, offset, SEEK_SET); | |
645 | fread(&s, 1, sizeof(unsigned short), fi); | |
646 | s = SWAP16(s); | |
647 | numtracks = s; | |
648 | ||
649 | // get offset to track blocks | |
650 | fseek(fi, 4, SEEK_CUR); | |
651 | fread(&offset, 1, sizeof(unsigned int), fi); | |
652 | offset = SWAP32(offset); | |
653 | ||
654 | // skip lead-in data | |
655 | while (1) { | |
656 | fseek(fi, offset + 4, SEEK_SET); | |
657 | if (fgetc(fi) < 0xA0) { | |
658 | break; | |
659 | } | |
660 | offset += 0x50; | |
661 | } | |
662 | ||
663 | // check if the image contains mixed subchannel data | |
664 | fseek(fi, offset + 1, SEEK_SET); | |
665 | subChanMixed = (fgetc(fi) ? TRUE : FALSE); | |
666 | ||
667 | // read track data | |
668 | for (i = 1; i <= numtracks; i++) { | |
669 | fseek(fi, offset, SEEK_SET); | |
670 | ||
671 | // get the track type | |
672 | ti[i].type = ((fgetc(fi) == 0xA9) ? CDDA : DATA); | |
673 | fseek(fi, 8, SEEK_CUR); | |
674 | ||
675 | // get the track starting point | |
676 | ti[i].start[0] = fgetc(fi); | |
677 | ti[i].start[1] = fgetc(fi); | |
678 | ti[i].start[2] = fgetc(fi); | |
679 | ||
ef79bbde P |
680 | fread(&extra_offset, 1, sizeof(unsigned int), fi); |
681 | extra_offset = SWAP32(extra_offset); | |
682 | ||
19c03d80 | 683 | // get track start offset (in .mdf) |
684 | fseek(fi, offset + 0x28, SEEK_SET); | |
685 | fread(&l, 1, sizeof(unsigned int), fi); | |
686 | l = SWAP32(l); | |
687 | ti[i].start_offset = l / CD_FRAMESIZE_RAW; | |
688 | ||
8aa91443 | 689 | // get pregap |
690 | fseek(fi, extra_offset, SEEK_SET); | |
691 | fread(&l, 1, sizeof(unsigned int), fi); | |
692 | l = SWAP32(l); | |
693 | if (l != 0 && i > 1) | |
694 | pregapOffset = ti[i].start_offset; | |
695 | ||
696 | // get the track length | |
697 | fread(&l, 1, sizeof(unsigned int), fi); | |
698 | l = SWAP32(l); | |
699 | sec2msf(l, ti[i].length); | |
700 | ||
ef79bbde P |
701 | offset += 0x50; |
702 | } | |
703 | ||
704 | fclose(fi); | |
705 | return 0; | |
706 | } | |
707 | ||
0877957a | 708 | static int handlepbp(const char *isofile) { |
9a92bffb | 709 | struct { |
710 | unsigned int sig; | |
711 | unsigned int dontcare[8]; | |
712 | unsigned int psar_offs; | |
713 | } pbp_hdr; | |
714 | struct { | |
715 | unsigned char type; | |
716 | unsigned char pad0; | |
717 | unsigned char track; | |
718 | char index0[3]; | |
719 | char pad1; | |
720 | char index1[3]; | |
721 | } toc_entry; | |
722 | struct { | |
723 | unsigned int offset; | |
724 | unsigned int size; | |
725 | unsigned int dontcare[6]; | |
726 | } index_entry; | |
727 | char psar_sig[9]; | |
728 | unsigned int t, cd_length, cdimg_base; | |
729 | const char *ext = NULL; | |
730 | int i, ret; | |
731 | ||
732 | if (strlen(isofile) >= 4) | |
733 | ext = isofile + strlen(isofile) - 4; | |
734 | if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0)) | |
735 | return -1; | |
736 | ||
737 | numtracks = 0; | |
738 | ||
739 | ret = fread(&pbp_hdr, 1, sizeof(pbp_hdr), cdHandle); | |
740 | if (ret != sizeof(pbp_hdr)) { | |
741 | fprintf(stderr, "failed to read pbp\n"); | |
742 | goto fail_io; | |
743 | } | |
744 | ||
745 | ret = fseek(cdHandle, pbp_hdr.psar_offs, SEEK_SET); | |
746 | if (ret != 0) { | |
747 | fprintf(stderr, "failed to seek to %x\n", pbp_hdr.psar_offs); | |
748 | goto fail_io; | |
749 | } | |
750 | ||
751 | fread(psar_sig, 1, sizeof(psar_sig), cdHandle); | |
752 | psar_sig[8] = 0; | |
753 | if (strcmp(psar_sig, "PSISOIMG") != 0) { | |
754 | fprintf(stderr, "bad psar_sig: %s\n", psar_sig); | |
755 | goto fail_io; | |
756 | } | |
757 | ||
758 | // seek to TOC | |
759 | ret = fseek(cdHandle, pbp_hdr.psar_offs + 0x800, SEEK_SET); | |
760 | if (ret != 0) { | |
761 | fprintf(stderr, "failed to seek to %x\n", pbp_hdr.psar_offs); | |
762 | goto fail_io; | |
763 | } | |
764 | ||
765 | // first 3 entries are special | |
766 | fseek(cdHandle, sizeof(toc_entry), SEEK_CUR); | |
767 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
768 | numtracks = btoi(toc_entry.index1[0]); | |
769 | ||
770 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
771 | cd_length = btoi(toc_entry.index1[0]) * 60 * 75 + | |
772 | btoi(toc_entry.index1[1]) * 75 + btoi(toc_entry.index1[2]); | |
773 | ||
774 | for (i = 1; i <= numtracks; i++) { | |
775 | fread(&toc_entry, 1, sizeof(toc_entry), cdHandle); | |
776 | ||
777 | ti[i].type = (toc_entry.type == 1) ? CDDA : DATA; | |
778 | ||
779 | ti[i].start_offset = btoi(toc_entry.index0[0]) * 60 * 75 + | |
780 | btoi(toc_entry.index0[1]) * 75 + btoi(toc_entry.index0[2]); | |
781 | ti[i].start[0] = btoi(toc_entry.index1[0]); | |
782 | ti[i].start[1] = btoi(toc_entry.index1[1]); | |
783 | ti[i].start[2] = btoi(toc_entry.index1[2]); | |
784 | ||
785 | if (i > 1) { | |
786 | t = msf2sec(ti[i].start) - msf2sec(ti[i - 1].start); | |
787 | sec2msf(t, ti[i - 1].length); | |
788 | } | |
789 | } | |
790 | t = cd_length - ti[numtracks].start_offset; | |
791 | sec2msf(t, ti[numtracks].length); | |
792 | ||
793 | // seek to ISO index | |
794 | ret = fseek(cdHandle, pbp_hdr.psar_offs + 0x4000, SEEK_SET); | |
795 | if (ret != 0) { | |
796 | fprintf(stderr, "failed to seek to ISO index\n"); | |
797 | goto fail_io; | |
798 | } | |
799 | ||
800 | compr_img = calloc(1, sizeof(*compr_img)); | |
801 | if (compr_img == NULL) | |
802 | goto fail_io; | |
803 | ||
0877957a | 804 | compr_img->block_shift = 4; |
9a92bffb | 805 | compr_img->current_block = (unsigned int)-1; |
806 | ||
807 | compr_img->index_len = (0x100000 - 0x4000) / sizeof(index_entry); | |
808 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
809 | if (compr_img->index_table == NULL) | |
810 | goto fail_io; | |
811 | ||
812 | cdimg_base = pbp_hdr.psar_offs + 0x100000; | |
813 | for (i = 0; i < compr_img->index_len; i++) { | |
814 | ret = fread(&index_entry, 1, sizeof(index_entry), cdHandle); | |
815 | if (ret != sizeof(index_entry)) { | |
816 | fprintf(stderr, "failed to read index_entry #%d\n", i); | |
817 | goto fail_index; | |
818 | } | |
819 | ||
820 | if (index_entry.size == 0) | |
821 | break; | |
822 | ||
823 | compr_img->index_table[i] = cdimg_base + index_entry.offset; | |
824 | } | |
825 | compr_img->index_table[i] = cdimg_base + index_entry.offset + index_entry.size; | |
826 | ||
827 | return 0; | |
828 | ||
829 | fail_index: | |
830 | free(compr_img->index_table); | |
831 | compr_img->index_table = NULL; | |
832 | fail_io: | |
0877957a | 833 | if (compr_img != NULL) { |
834 | free(compr_img); | |
835 | compr_img = NULL; | |
836 | } | |
837 | return -1; | |
838 | } | |
839 | ||
840 | static int handlecbin(const char *isofile) { | |
841 | struct | |
842 | { | |
843 | char magic[4]; | |
844 | unsigned int header_size; | |
845 | unsigned long long total_bytes; | |
846 | unsigned int block_size; | |
847 | unsigned char ver; // 1 | |
848 | unsigned char align; | |
849 | unsigned char rsv_06[2]; | |
850 | } ciso_hdr; | |
851 | const char *ext = NULL; | |
852 | unsigned int index, plain; | |
853 | int i, ret; | |
854 | ||
855 | if (strlen(isofile) >= 5) | |
856 | ext = isofile + strlen(isofile) - 5; | |
857 | if (ext == NULL || (strcasecmp(ext + 1, ".cbn") != 0 && strcasecmp(ext, ".cbin") != 0)) | |
858 | return -1; | |
859 | ||
860 | ret = fread(&ciso_hdr, 1, sizeof(ciso_hdr), cdHandle); | |
861 | if (ret != sizeof(ciso_hdr)) { | |
862 | fprintf(stderr, "failed to read ciso header\n"); | |
863 | return -1; | |
864 | } | |
865 | ||
866 | if (strncmp(ciso_hdr.magic, "CISO", 4) != 0 || ciso_hdr.total_bytes <= 0 || ciso_hdr.block_size <= 0) { | |
867 | fprintf(stderr, "bad ciso header\n"); | |
868 | return -1; | |
869 | } | |
870 | if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) { | |
871 | ret = fseek(cdHandle, ciso_hdr.header_size, SEEK_SET); | |
872 | if (ret != 0) { | |
873 | fprintf(stderr, "failed to seek to %x\n", ciso_hdr.header_size); | |
874 | return -1; | |
875 | } | |
876 | } | |
877 | ||
878 | compr_img = calloc(1, sizeof(*compr_img)); | |
879 | if (compr_img == NULL) | |
880 | goto fail_io; | |
881 | ||
882 | compr_img->block_shift = 0; | |
883 | compr_img->current_block = (unsigned int)-1; | |
884 | ||
885 | compr_img->index_len = ciso_hdr.total_bytes / ciso_hdr.block_size; | |
886 | compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0])); | |
887 | if (compr_img->index_table == NULL) | |
888 | goto fail_io; | |
889 | ||
890 | ret = fread(compr_img->index_table, sizeof(compr_img->index_table[0]), compr_img->index_len, cdHandle); | |
891 | if (ret != compr_img->index_len) { | |
892 | fprintf(stderr, "failed to read index table\n"); | |
893 | goto fail_index; | |
894 | } | |
895 | ||
896 | for (i = 0; i < compr_img->index_len + 1; i++) { | |
897 | index = compr_img->index_table[i]; | |
898 | plain = index & 0x80000000; | |
899 | index &= 0x7fffffff; | |
900 | compr_img->index_table[i] = (index << ciso_hdr.align) | plain; | |
901 | } | |
902 | if ((long long)index << ciso_hdr.align >= 0x80000000ll) | |
903 | fprintf(stderr, "warning: ciso img too large, expect problems\n"); | |
904 | ||
905 | return 0; | |
906 | ||
907 | fail_index: | |
908 | free(compr_img->index_table); | |
909 | compr_img->index_table = NULL; | |
910 | fail_io: | |
911 | if (compr_img != NULL) { | |
912 | free(compr_img); | |
913 | compr_img = NULL; | |
914 | } | |
9a92bffb | 915 | return -1; |
916 | } | |
917 | ||
ef79bbde P |
918 | // this function tries to get the .sub file of the given .img |
919 | static int opensubfile(const char *isoname) { | |
920 | char subname[MAXPATHLEN]; | |
921 | ||
922 | // copy name of the iso and change extension from .img to .sub | |
923 | strncpy(subname, isoname, sizeof(subname)); | |
924 | subname[MAXPATHLEN - 1] = '\0'; | |
925 | if (strlen(subname) >= 4) { | |
926 | strcpy(subname + strlen(subname) - 4, ".sub"); | |
927 | } | |
928 | else { | |
929 | return -1; | |
930 | } | |
931 | ||
932 | subHandle = fopen(subname, "rb"); | |
933 | if (subHandle == NULL) { | |
934 | return -1; | |
935 | } | |
936 | ||
937 | return 0; | |
938 | } | |
939 | ||
ae4e7dc9 | 940 | static int opensbifile(const char *isoname) { |
941 | char sbiname[MAXPATHLEN]; | |
942 | int s; | |
943 | ||
944 | strncpy(sbiname, isoname, sizeof(sbiname)); | |
945 | sbiname[MAXPATHLEN - 1] = '\0'; | |
946 | if (strlen(sbiname) >= 4) { | |
947 | strcpy(sbiname + strlen(sbiname) - 4, ".sbi"); | |
948 | } | |
949 | else { | |
950 | return -1; | |
951 | } | |
952 | ||
953 | fseek(cdHandle, 0, SEEK_END); | |
954 | s = ftell(cdHandle) / 2352; | |
955 | ||
956 | return LoadSBI(sbiname, s); | |
957 | } | |
958 | ||
9a92bffb | 959 | static int cdread_normal(FILE *f, void *dest, int sector, int offset) |
960 | { | |
961 | fseek(f, sector * CD_FRAMESIZE_RAW + offset, SEEK_SET); | |
962 | return fread(dest, 1, CD_FRAMESIZE_RAW - offset, f); | |
963 | } | |
964 | ||
965 | static int cdread_sub_mixed(FILE *f, void *dest, int sector, int offset) | |
966 | { | |
967 | int ret; | |
968 | ||
969 | fseek(f, sector * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE) + offset, SEEK_SET); | |
970 | ret = fread(dest, 1, CD_FRAMESIZE_RAW - offset, f); | |
971 | fread(subbuffer, 1, SUB_FRAMESIZE, f); | |
972 | ||
973 | if (subChanRaw) DecodeRawSubData(); | |
974 | ||
975 | return ret; | |
976 | } | |
977 | ||
978 | static int uncompress2(void *out, unsigned long *out_size, void *in, unsigned long in_size) | |
979 | { | |
980 | static z_stream z; | |
981 | int ret = 0; | |
982 | ||
983 | if (z.zalloc == NULL) { | |
984 | // XXX: one-time leak here.. | |
985 | z.next_in = Z_NULL; | |
986 | z.avail_in = 0; | |
987 | z.zalloc = Z_NULL; | |
988 | z.zfree = Z_NULL; | |
989 | z.opaque = Z_NULL; | |
990 | ret = inflateInit2(&z, -15); | |
991 | } | |
992 | else | |
993 | ret = inflateReset(&z); | |
994 | if (ret != Z_OK) | |
995 | return ret; | |
996 | ||
997 | z.next_in = in; | |
998 | z.avail_in = in_size; | |
999 | z.next_out = out; | |
1000 | z.avail_out = *out_size; | |
1001 | ||
1002 | ret = inflate(&z, Z_NO_FLUSH); | |
1003 | //inflateEnd(&z); | |
1004 | ||
1005 | *out_size -= z.avail_out; | |
1006 | return ret == 1 ? 0 : ret; | |
1007 | } | |
1008 | ||
1009 | static int cdread_compressed(FILE *f, void *dest, int sector, int offset) | |
1010 | { | |
0877957a | 1011 | unsigned long cdbuffer_size, cdbuffer_size_expect; |
9a92bffb | 1012 | unsigned int start_byte, size; |
0877957a | 1013 | int is_compressed; |
9a92bffb | 1014 | int ret, block; |
1015 | ||
0877957a | 1016 | block = sector >> compr_img->block_shift; |
1017 | compr_img->sector_in_blk = sector & ((1 << compr_img->block_shift) - 1); | |
9a92bffb | 1018 | |
1019 | if (block == compr_img->current_block) { | |
1020 | //printf("hit sect %d\n", sector); | |
1021 | goto finish; | |
1022 | } | |
1023 | ||
1024 | if (sector >= compr_img->index_len * 16) { | |
1025 | fprintf(stderr, "sector %d is past img end\n", sector); | |
1026 | return -1; | |
1027 | } | |
1028 | ||
0877957a | 1029 | start_byte = compr_img->index_table[block] & 0x7fffffff; |
9a92bffb | 1030 | if (fseek(cdHandle, start_byte, SEEK_SET) != 0) { |
1031 | fprintf(stderr, "seek error for block %d at %x: ", | |
1032 | block, start_byte); | |
1033 | perror(NULL); | |
1034 | return -1; | |
1035 | } | |
1036 | ||
0877957a | 1037 | is_compressed = !(compr_img->index_table[block] & 0x80000000); |
1038 | size = (compr_img->index_table[block + 1] & 0x7fffffff) - start_byte; | |
9a92bffb | 1039 | if (size > sizeof(compr_img->buff_compressed)) { |
1040 | fprintf(stderr, "block %d is too large: %u\n", block, size); | |
1041 | return -1; | |
1042 | } | |
1043 | ||
0877957a | 1044 | if (fread(is_compressed ? compr_img->buff_compressed : compr_img->buff_raw[0], |
1045 | 1, size, cdHandle) != size) { | |
9a92bffb | 1046 | fprintf(stderr, "read error for block %d at %x: ", block, start_byte); |
1047 | perror(NULL); | |
1048 | return -1; | |
1049 | } | |
1050 | ||
0877957a | 1051 | if (is_compressed) { |
1052 | cdbuffer_size_expect = sizeof(compr_img->buff_raw[0]) << compr_img->block_shift; | |
1053 | cdbuffer_size = cdbuffer_size_expect; | |
1054 | ret = uncompress2(compr_img->buff_raw[0], &cdbuffer_size, compr_img->buff_compressed, size); | |
1055 | if (ret != 0) { | |
1056 | fprintf(stderr, "uncompress failed with %d for block %d, sector %d\n", | |
1057 | ret, block, sector); | |
1058 | return -1; | |
1059 | } | |
1060 | if (cdbuffer_size != cdbuffer_size_expect) | |
1061 | fprintf(stderr, "cdbuffer_size: %lu != %lu, sector %d\n", cdbuffer_size, | |
1062 | cdbuffer_size_expect, sector); | |
9a92bffb | 1063 | } |
9a92bffb | 1064 | |
1065 | // done at last! | |
1066 | compr_img->current_block = block; | |
1067 | ||
1068 | finish: | |
1069 | if (dest != cdbuffer) // copy avoid HACK | |
1070 | memcpy(dest, compr_img->buff_raw[compr_img->sector_in_blk] + offset, | |
1071 | CD_FRAMESIZE_RAW - offset); | |
1072 | return CD_FRAMESIZE_RAW - offset; | |
1073 | } | |
1074 | ||
1075 | static int cdread_2048(FILE *f, void *dest, int sector, int offset) | |
1076 | { | |
1077 | int ret; | |
1078 | ||
1079 | fseek(f, sector * 2048, SEEK_SET); | |
1080 | ret = fread((char *)dest + 12, 1, 2048, f); | |
1081 | ||
1082 | // not really necessary, fake mode 2 header | |
1083 | memset(cdbuffer, 0, 12); | |
1084 | sec2msf(sector + 2 * 75, (char *)cdbuffer); | |
1085 | cdbuffer[3] = 1; | |
1086 | ||
1087 | return ret; | |
1088 | } | |
1089 | ||
1090 | static unsigned char * CALLBACK ISOgetBuffer_compr(void) { | |
1091 | return compr_img->buff_raw[compr_img->sector_in_blk] + 12; | |
1092 | } | |
1093 | ||
1094 | static unsigned char * CALLBACK ISOgetBuffer(void) { | |
1095 | return cdbuffer; | |
1096 | } | |
1097 | ||
ef79bbde P |
1098 | static void PrintTracks(void) { |
1099 | int i; | |
1100 | ||
1101 | for (i = 1; i <= numtracks; i++) { | |
1102 | SysPrintf(_("Track %.2d (%s) - Start %.2d:%.2d:%.2d, Length %.2d:%.2d:%.2d\n"), | |
1103 | i, (ti[i].type == DATA ? "DATA" : "AUDIO"), | |
1104 | ti[i].start[0], ti[i].start[1], ti[i].start[2], | |
1105 | ti[i].length[0], ti[i].length[1], ti[i].length[2]); | |
1106 | } | |
1107 | } | |
1108 | ||
1109 | // This function is invoked by the front-end when opening an ISO | |
1110 | // file for playback | |
1111 | static long CALLBACK ISOopen(void) { | |
9a92bffb | 1112 | boolean isMode1ISO = FALSE; |
1113 | ||
ef79bbde P |
1114 | if (cdHandle != NULL) { |
1115 | return 0; // it's already open | |
1116 | } | |
1117 | ||
1118 | cdHandle = fopen(GetIsoFile(), "rb"); | |
1119 | if (cdHandle == NULL) { | |
1120 | return -1; | |
1121 | } | |
1122 | ||
1123 | SysPrintf(_("Loaded CD Image: %s"), GetIsoFile()); | |
1124 | ||
1125 | cddaBigEndian = FALSE; | |
1126 | subChanMixed = FALSE; | |
1127 | subChanRaw = FALSE; | |
8aa91443 | 1128 | pregapOffset = 0; |
ef79bbde | 1129 | |
9a92bffb | 1130 | CDR_getBuffer = ISOgetBuffer; |
1131 | cdimg_read_func = cdread_normal; | |
1132 | ||
ef79bbde P |
1133 | if (parsecue(GetIsoFile()) == 0) { |
1134 | SysPrintf("[+cue]"); | |
1135 | } | |
1136 | else if (parsetoc(GetIsoFile()) == 0) { | |
1137 | SysPrintf("[+toc]"); | |
1138 | } | |
1139 | else if (parseccd(GetIsoFile()) == 0) { | |
1140 | SysPrintf("[+ccd]"); | |
1141 | } | |
1142 | else if (parsemds(GetIsoFile()) == 0) { | |
1143 | SysPrintf("[+mds]"); | |
1144 | } | |
0877957a | 1145 | if (handlepbp(GetIsoFile()) == 0) { |
9a92bffb | 1146 | SysPrintf("[pbp]"); |
1147 | CDR_getBuffer = ISOgetBuffer_compr; | |
1148 | cdimg_read_func = cdread_compressed; | |
1149 | } | |
0877957a | 1150 | else if (handlecbin(GetIsoFile()) == 0) { |
1151 | SysPrintf("[cbin]"); | |
1152 | CDR_getBuffer = ISOgetBuffer_compr; | |
1153 | cdimg_read_func = cdread_compressed; | |
1154 | } | |
ef79bbde P |
1155 | |
1156 | if (!subChanMixed && opensubfile(GetIsoFile()) == 0) { | |
1157 | SysPrintf("[+sub]"); | |
1158 | } | |
ae4e7dc9 | 1159 | if (opensbifile(GetIsoFile()) == 0) { |
1160 | SysPrintf("[+sbi]"); | |
1161 | } | |
ef79bbde | 1162 | |
9a92bffb | 1163 | // guess whether it is mode1/2048 |
1164 | fseek(cdHandle, 0, SEEK_END); | |
1165 | if (ftell(cdHandle) % 2048 == 0) { | |
1166 | unsigned int modeTest = 0; | |
1167 | fseek(cdHandle, 0, SEEK_SET); | |
1168 | fread(&modeTest, 4, 1, cdHandle); | |
1169 | if (SWAP32(modeTest) != 0xffffff00) { | |
1170 | SysPrintf("[2048]"); | |
1171 | isMode1ISO = TRUE; | |
1172 | } | |
1173 | } | |
1174 | fseek(cdHandle, 0, SEEK_SET); | |
1175 | ||
ef79bbde P |
1176 | SysPrintf(".\n"); |
1177 | ||
1178 | PrintTracks(); | |
1179 | ||
9a92bffb | 1180 | if (subChanMixed) |
1181 | cdimg_read_func = cdread_sub_mixed; | |
1182 | else if (isMode1ISO) | |
1183 | cdimg_read_func = cdread_2048; | |
1184 | ||
38b8102c | 1185 | // make sure we have another handle open for cdda |
1186 | if (numtracks > 1 && ti[1].handle == NULL) { | |
1187 | ti[1].handle = fopen(GetIsoFile(), "rb"); | |
1188 | } | |
9a92bffb | 1189 | cdda_cur_sector = cdda_start_sector = 0; |
38b8102c | 1190 | |
ef79bbde P |
1191 | return 0; |
1192 | } | |
1193 | ||
1194 | static long CALLBACK ISOclose(void) { | |
38b8102c | 1195 | int i; |
1196 | ||
ef79bbde P |
1197 | if (cdHandle != NULL) { |
1198 | fclose(cdHandle); | |
1199 | cdHandle = NULL; | |
1200 | } | |
1201 | if (subHandle != NULL) { | |
1202 | fclose(subHandle); | |
1203 | subHandle = NULL; | |
1204 | } | |
1205 | stopCDDA(); | |
38b8102c | 1206 | cddaHandle = NULL; |
1207 | ||
9a92bffb | 1208 | if (compr_img != NULL) { |
1209 | free(compr_img->index_table); | |
1210 | free(compr_img); | |
1211 | compr_img = NULL; | |
1212 | } | |
1213 | ||
38b8102c | 1214 | for (i = 1; i <= numtracks; i++) { |
1215 | if (ti[i].handle != NULL) { | |
1216 | fclose(ti[i].handle); | |
1217 | ti[i].handle = NULL; | |
1218 | } | |
1219 | } | |
1220 | numtracks = 0; | |
ae4e7dc9 | 1221 | UnloadSBI(); |
38b8102c | 1222 | |
1223 | return 0; | |
1224 | } | |
1225 | ||
1226 | static long CALLBACK ISOinit(void) { | |
1227 | assert(cdHandle == NULL); | |
1228 | assert(subHandle == NULL); | |
1229 | ||
1230 | return 0; // do nothing | |
1231 | } | |
1232 | ||
1233 | static long CALLBACK ISOshutdown(void) { | |
1234 | ISOclose(); | |
ef79bbde P |
1235 | return 0; |
1236 | } | |
1237 | ||
1238 | // return Starting and Ending Track | |
1239 | // buffer: | |
1240 | // byte 0 - start track | |
1241 | // byte 1 - end track | |
1242 | static long CALLBACK ISOgetTN(unsigned char *buffer) { | |
1243 | buffer[0] = 1; | |
1244 | ||
1245 | if (numtracks > 0) { | |
1246 | buffer[1] = numtracks; | |
1247 | } | |
1248 | else { | |
1249 | buffer[1] = 1; | |
1250 | } | |
1251 | ||
1252 | return 0; | |
1253 | } | |
1254 | ||
1255 | // return Track Time | |
1256 | // buffer: | |
1257 | // byte 0 - frame | |
1258 | // byte 1 - second | |
1259 | // byte 2 - minute | |
1260 | static long CALLBACK ISOgetTD(unsigned char track, unsigned char *buffer) { | |
858ad511 | 1261 | if (track == 0) { |
1262 | // CD length according pcsxr-svn (done a bit different here) | |
1263 | unsigned int sect; | |
1264 | unsigned char time[3]; | |
1265 | sect = msf2sec(ti[numtracks].start) + msf2sec(ti[numtracks].length); | |
ab948f7e | 1266 | sec2msf(sect, (char *)time); |
858ad511 | 1267 | buffer[2] = time[0]; |
1268 | buffer[1] = time[1]; | |
1269 | buffer[0] = time[2]; | |
1270 | } | |
1271 | else if (numtracks > 0 && track <= numtracks) { | |
ef79bbde P |
1272 | buffer[2] = ti[track].start[0]; |
1273 | buffer[1] = ti[track].start[1]; | |
1274 | buffer[0] = ti[track].start[2]; | |
1275 | } | |
1276 | else { | |
1277 | buffer[2] = 0; | |
1278 | buffer[1] = 2; | |
1279 | buffer[0] = 0; | |
1280 | } | |
1281 | ||
1282 | return 0; | |
1283 | } | |
1284 | ||
1285 | // decode 'raw' subchannel data ripped by cdrdao | |
1286 | static void DecodeRawSubData(void) { | |
1287 | unsigned char subQData[12]; | |
1288 | int i; | |
1289 | ||
1290 | memset(subQData, 0, sizeof(subQData)); | |
1291 | ||
1292 | for (i = 0; i < 8 * 12; i++) { | |
1293 | if (subbuffer[i] & (1 << 6)) { // only subchannel Q is needed | |
1294 | subQData[i >> 3] |= (1 << (7 - (i & 7))); | |
1295 | } | |
1296 | } | |
1297 | ||
1298 | memcpy(&subbuffer[12], subQData, 12); | |
1299 | } | |
1300 | ||
1301 | // read track | |
1302 | // time: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1303 | // uses bcd format | |
1304 | static long CALLBACK ISOreadTrack(unsigned char *time) { | |
19c03d80 | 1305 | int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2])); |
1306 | ||
ef79bbde P |
1307 | if (cdHandle == NULL) { |
1308 | return -1; | |
1309 | } | |
1310 | ||
8aa91443 | 1311 | if (pregapOffset) { |
1312 | subChanMissing = FALSE; | |
1313 | if (sector >= pregapOffset) { | |
1314 | sector -= 2 * 75; | |
1315 | if (sector < pregapOffset) | |
1316 | subChanMissing = TRUE; | |
1317 | } | |
1318 | } | |
1319 | ||
9a92bffb | 1320 | cdimg_read_func(cdHandle, cdbuffer, sector, 12); |
ef79bbde | 1321 | |
9a92bffb | 1322 | if (subHandle != NULL) { |
1323 | fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET); | |
1324 | fread(subbuffer, 1, SUB_FRAMESIZE, subHandle); | |
ef79bbde | 1325 | |
9a92bffb | 1326 | if (subChanRaw) DecodeRawSubData(); |
ef79bbde P |
1327 | } |
1328 | ||
1329 | return 0; | |
1330 | } | |
1331 | ||
ef79bbde P |
1332 | // plays cdda audio |
1333 | // sector: byte 0 - minute; byte 1 - second; byte 2 - frame | |
1334 | // does NOT uses bcd format | |
1335 | static long CALLBACK ISOplay(unsigned char *time) { | |
19c03d80 | 1336 | unsigned int i, abs_sect; |
1337 | int file_sect; | |
38b8102c | 1338 | |
7b8da7ab | 1339 | if (numtracks <= 1) |
1340 | return 0; | |
1341 | ||
38b8102c | 1342 | // find the track |
19c03d80 | 1343 | abs_sect = msf2sec((char *)time); |
38b8102c | 1344 | for (i = numtracks; i > 1; i--) |
19c03d80 | 1345 | if (msf2sec(ti[i].start) <= abs_sect + 2 * 75) |
38b8102c | 1346 | break; |
1347 | ||
19c03d80 | 1348 | file_sect = ti[i].start_offset + (abs_sect - msf2sec(ti[i].start)); |
1349 | if (file_sect < 0) | |
1350 | file_sect = 0; | |
1351 | ||
38b8102c | 1352 | // find the file that contains this track |
1353 | for (; i > 1; i--) | |
1354 | if (ti[i].handle != NULL) | |
1355 | break; | |
1356 | ||
9a92bffb | 1357 | cdda_start_sector = abs_sect - file_sect; |
38b8102c | 1358 | cddaHandle = ti[i].handle; |
1359 | ||
8aa91443 | 1360 | if (pregapOffset && (unsigned int)(pregapOffset - file_sect) < 2 * 75) { |
1361 | // get out of the missing pregap to avoid noise | |
1362 | file_sect = pregapOffset; | |
1363 | } | |
1364 | ||
ef79bbde | 1365 | if (SPU_playCDDAchannel != NULL) { |
9a92bffb | 1366 | startCDDA(file_sect); |
ef79bbde P |
1367 | } |
1368 | return 0; | |
1369 | } | |
1370 | ||
1371 | // stops cdda audio | |
1372 | static long CALLBACK ISOstop(void) { | |
1373 | stopCDDA(); | |
1374 | return 0; | |
1375 | } | |
1376 | ||
1377 | // gets subchannel data | |
1378 | static unsigned char* CALLBACK ISOgetBufferSub(void) { | |
8aa91443 | 1379 | if ((subHandle != NULL || subChanMixed) && !subChanMissing) { |
ef79bbde P |
1380 | return subbuffer; |
1381 | } | |
1382 | ||
1383 | return NULL; | |
1384 | } | |
1385 | ||
1386 | static long CALLBACK ISOgetStatus(struct CdrStat *stat) { | |
1387 | int sec; | |
1388 | ||
1389 | CDR__getStatus(stat); | |
1390 | ||
1391 | if (playing) { | |
1392 | stat->Type = 0x02; | |
1393 | stat->Status |= 0x80; | |
ef79bbde P |
1394 | } |
1395 | else { | |
1396 | stat->Type = 0x01; | |
1397 | } | |
1398 | ||
9a92bffb | 1399 | sec = cdda_start_sector + cdda_cur_sector; |
858ad511 | 1400 | sec2msf(sec, (char *)stat->Time); |
1401 | ||
ef79bbde P |
1402 | return 0; |
1403 | } | |
1404 | ||
1405 | void cdrIsoInit(void) { | |
1406 | CDR_init = ISOinit; | |
1407 | CDR_shutdown = ISOshutdown; | |
1408 | CDR_open = ISOopen; | |
1409 | CDR_close = ISOclose; | |
1410 | CDR_getTN = ISOgetTN; | |
1411 | CDR_getTD = ISOgetTD; | |
1412 | CDR_readTrack = ISOreadTrack; | |
1413 | CDR_getBuffer = ISOgetBuffer; | |
1414 | CDR_play = ISOplay; | |
1415 | CDR_stop = ISOstop; | |
1416 | CDR_getBufferSub = ISOgetBufferSub; | |
1417 | CDR_getStatus = ISOgetStatus; | |
1418 | ||
1419 | CDR_getDriveLetter = CDR__getDriveLetter; | |
1420 | CDR_configure = CDR__configure; | |
1421 | CDR_test = CDR__test; | |
1422 | CDR_about = CDR__about; | |
1423 | CDR_setfilename = CDR__setfilename; | |
1424 | ||
1425 | numtracks = 0; | |
1426 | } | |
1427 | ||
1428 | int cdrIsoActive(void) { | |
1429 | return (cdHandle != NULL); | |
1430 | } |