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3719602c PC |
1 | /* Copyright (C) 2010-2020 The RetroArch team |
2 | * | |
3 | * --------------------------------------------------------------------------------------- | |
4 | * The following license statement only applies to this file (cdrom.c). | |
5 | * --------------------------------------------------------------------------------------- | |
6 | * | |
7 | * Permission is hereby granted, free of charge, | |
8 | * to any person obtaining a copy of this software and associated documentation files (the "Software"), | |
9 | * to deal in the Software without restriction, including without limitation the rights to | |
10 | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, | |
11 | * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, | |
16 | * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
19 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
21 | */ | |
22 | ||
23 | #ifdef HAVE_CONFIG_H | |
24 | #include "config.h" | |
25 | #endif | |
26 | ||
27 | #include <cdrom/cdrom.h> | |
28 | #include <libretro.h> | |
29 | #include <stdio.h> | |
30 | #include <string.h> | |
31 | #include <compat/strl.h> | |
32 | #include <compat/strcasestr.h> | |
33 | #include <retro_math.h> | |
34 | #include <retro_timers.h> | |
35 | #include <streams/file_stream.h> | |
36 | #include <retro_endianness.h> | |
37 | #include <retro_miscellaneous.h> | |
38 | #include <vfs/vfs_implementation.h> | |
39 | #include <lists/string_list.h> | |
40 | #include <lists/dir_list.h> | |
41 | #include <string/stdstring.h> | |
42 | #include <memalign.h> | |
43 | ||
44 | #include <math.h> | |
45 | #ifdef _WIN32 | |
46 | #include <direct.h> | |
47 | #else | |
48 | #include <unistd.h> | |
49 | #endif | |
50 | ||
51 | #if defined(__linux__) && !defined(ANDROID) | |
52 | #include <sys/ioctl.h> | |
53 | #include <scsi/sg.h> | |
54 | #endif | |
55 | ||
56 | #if defined(_WIN32) && !defined(_XBOX) | |
57 | #include <windows.h> | |
58 | #include <winioctl.h> | |
59 | #include <ntddscsi.h> | |
60 | #endif | |
61 | ||
62 | #define CDROM_CUE_TRACK_BYTES 107 | |
63 | #define CDROM_MAX_SENSE_BYTES 16 | |
64 | #define CDROM_MAX_RETRIES 10 | |
65 | ||
66 | typedef enum | |
67 | { | |
68 | DIRECTION_NONE, | |
69 | DIRECTION_IN, | |
70 | DIRECTION_OUT | |
71 | } CDROM_CMD_Direction; | |
72 | ||
73 | void cdrom_lba_to_msf(unsigned lba, unsigned char *min, unsigned char *sec, unsigned char *frame) | |
74 | { | |
75 | if (!min || !sec || !frame) | |
76 | return; | |
77 | ||
78 | *frame = lba % 75; | |
79 | lba /= 75; | |
80 | *sec = lba % 60; | |
81 | lba /= 60; | |
82 | *min = lba; | |
83 | } | |
84 | ||
85 | unsigned cdrom_msf_to_lba(unsigned char min, unsigned char sec, unsigned char frame) | |
86 | { | |
87 | return (min * 60 + sec) * 75 + frame; | |
88 | } | |
89 | ||
90 | void increment_msf(unsigned char *min, unsigned char *sec, unsigned char *frame) | |
91 | { | |
92 | if (!min || !sec || !frame) | |
93 | return; | |
94 | ||
95 | *min = (*frame == 74) ? (*sec < 59 ? *min : *min + 1) : *min; | |
96 | *sec = (*frame == 74) ? (*sec < 59 ? (*sec + 1) : 0) : *sec; | |
97 | *frame = (*frame < 74) ? (*frame + 1) : 0; | |
98 | } | |
99 | ||
100 | #ifdef CDROM_DEBUG | |
101 | static void cdrom_print_sense_data(const unsigned char *sense, size_t len) | |
102 | { | |
103 | unsigned i; | |
104 | const char *sense_key_text = NULL; | |
105 | unsigned char key; | |
106 | unsigned char asc; | |
107 | unsigned char ascq; | |
108 | ||
109 | if (len < 16) | |
110 | { | |
111 | printf("[CDROM] Sense data buffer length too small.\n"); | |
112 | fflush(stdout); | |
113 | return; | |
114 | } | |
115 | ||
116 | key = sense[2] & 0xF; | |
117 | asc = sense[12]; | |
118 | ascq = sense[13]; | |
119 | ||
120 | printf("[CDROM] Sense Data: "); | |
121 | ||
122 | for (i = 0; i < MIN(len, 16); i++) | |
123 | { | |
124 | printf("%02X ", sense[i]); | |
125 | } | |
126 | ||
127 | printf("\n"); | |
128 | ||
129 | if (sense[0] == 0x70) | |
130 | printf("[CDROM] CURRENT ERROR:\n"); | |
131 | if (sense[0] == 0x71) | |
132 | printf("[CDROM] DEFERRED ERROR:\n"); | |
133 | ||
134 | switch (key) | |
135 | { | |
136 | case 0: | |
137 | sense_key_text = "NO SENSE"; | |
138 | break; | |
139 | case 1: | |
140 | sense_key_text = "RECOVERED ERROR"; | |
141 | break; | |
142 | case 2: | |
143 | sense_key_text = "NOT READY"; | |
144 | break; | |
145 | case 3: | |
146 | sense_key_text = "MEDIUM ERROR"; | |
147 | break; | |
148 | case 4: | |
149 | sense_key_text = "HARDWARE ERROR"; | |
150 | break; | |
151 | case 5: | |
152 | sense_key_text = "ILLEGAL REQUEST"; | |
153 | break; | |
154 | case 6: | |
155 | sense_key_text = "UNIT ATTENTION"; | |
156 | break; | |
157 | case 7: | |
158 | sense_key_text = "DATA PROTECT"; | |
159 | break; | |
160 | case 8: | |
161 | sense_key_text = "BLANK CHECK"; | |
162 | break; | |
163 | case 9: | |
164 | sense_key_text = "VENDOR SPECIFIC"; | |
165 | break; | |
166 | case 10: | |
167 | sense_key_text = "COPY ABORTED"; | |
168 | break; | |
169 | case 11: | |
170 | sense_key_text = "ABORTED COMMAND"; | |
171 | break; | |
172 | case 13: | |
173 | sense_key_text = "VOLUME OVERFLOW"; | |
174 | break; | |
175 | case 14: | |
176 | sense_key_text = "MISCOMPARE"; | |
177 | break; | |
178 | } | |
179 | ||
180 | printf("[CDROM] Sense Key: %02X (%s)\n", key, sense_key_text ? sense_key_text : "null"); | |
181 | printf("[CDROM] ASC: %02X\n", asc); | |
182 | printf("[CDROM] ASCQ: %02X\n", ascq); | |
183 | ||
184 | switch (key) | |
185 | { | |
186 | case 2: | |
187 | { | |
188 | switch (asc) | |
189 | { | |
190 | case 4: | |
191 | { | |
192 | switch (ascq) | |
193 | { | |
194 | case 1: | |
195 | printf("[CDROM] Description: LOGICAL UNIT IS IN PROCESS OF BECOMING READY\n"); | |
196 | break; | |
197 | default: | |
198 | break; | |
199 | } | |
200 | ||
201 | break; | |
202 | } | |
203 | case 0x3a: | |
204 | { | |
205 | switch (ascq) | |
206 | { | |
207 | case 0: | |
208 | printf("[CDROM] Description: MEDIUM NOT PRESENT\n"); | |
209 | break; | |
210 | case 3: | |
211 | printf("[CDROM] Description: MEDIUM NOT PRESENT - LOADABLE\n"); | |
212 | break; | |
213 | case 1: | |
214 | printf("[CDROM] Description: MEDIUM NOT PRESENT - TRAY CLOSED\n"); | |
215 | break; | |
216 | case 2: | |
217 | printf("[CDROM] Description: MEDIUM NOT PRESENT - TRAY OPEN\n"); | |
218 | break; | |
219 | default: | |
220 | break; | |
221 | } | |
222 | ||
223 | break; | |
224 | } | |
225 | default: | |
226 | break; | |
227 | } | |
228 | } | |
229 | case 3: | |
230 | { | |
231 | if (asc == 0x11 && ascq == 0x5) | |
232 | printf("[CDROM] Description: L-EC UNCORRECTABLE ERROR\n"); | |
233 | break; | |
234 | } | |
235 | case 5: | |
236 | { | |
237 | if (asc == 0x20 && ascq == 0) | |
238 | printf("[CDROM] Description: INVALID COMMAND OPERATION CODE\n"); | |
239 | else if (asc == 0x24 && ascq == 0) | |
240 | printf("[CDROM] Description: INVALID FIELD IN CDB\n"); | |
241 | else if (asc == 0x26 && ascq == 0) | |
242 | printf("[CDROM] Description: INVALID FIELD IN PARAMETER LIST\n"); | |
243 | break; | |
244 | } | |
245 | case 6: | |
246 | { | |
247 | if (asc == 0x28 && ascq == 0) | |
248 | printf("[CDROM] Description: NOT READY TO READY CHANGE, MEDIUM MAY HAVE CHANGED\n"); | |
249 | break; | |
250 | } | |
251 | default: | |
252 | break; | |
253 | } | |
254 | ||
255 | fflush(stdout); | |
256 | } | |
257 | #endif | |
258 | ||
259 | #if defined(_WIN32) && !defined(_XBOX) | |
260 | static int cdrom_send_command_win32(const libretro_vfs_implementation_file *stream, CDROM_CMD_Direction dir, void *buf, size_t len, unsigned char *cmd, size_t cmd_len, unsigned char *sense, size_t sense_len) | |
261 | { | |
262 | DWORD ioctl_bytes; | |
263 | BOOL ioctl_rv; | |
264 | #ifdef CDROM_DEBUG | |
265 | clock_t t = clock(); | |
266 | const char *extra = " "; | |
267 | static unsigned char last_min = 0; | |
268 | static unsigned char last_sec = 0; | |
269 | static unsigned char last_frame = 0; | |
270 | ||
271 | unsigned lba_cur = cdrom_msf_to_lba(last_min, last_sec, last_frame); | |
272 | unsigned lba_req = cdrom_msf_to_lba(cmd[3], cmd[4], cmd[5]); | |
273 | #endif | |
274 | struct sptd_with_sense | |
275 | { | |
276 | SCSI_PASS_THROUGH_DIRECT s; | |
277 | UCHAR sense[128]; | |
278 | } sptd; | |
279 | ||
280 | memset(&sptd, 0, sizeof(sptd)); | |
281 | ||
282 | sptd.s.Length = sizeof(sptd.s); | |
283 | sptd.s.CdbLength = cmd_len; | |
284 | ||
285 | switch (dir) | |
286 | { | |
287 | case DIRECTION_IN: | |
288 | sptd.s.DataIn = SCSI_IOCTL_DATA_IN; | |
289 | break; | |
290 | case DIRECTION_OUT: | |
291 | sptd.s.DataIn = SCSI_IOCTL_DATA_OUT; | |
292 | break; | |
293 | case DIRECTION_NONE: | |
294 | default: | |
295 | sptd.s.DataIn = SCSI_IOCTL_DATA_UNSPECIFIED; | |
296 | break; | |
297 | } | |
298 | ||
299 | sptd.s.TimeOutValue = 5; | |
300 | sptd.s.DataBuffer = buf; | |
301 | sptd.s.DataTransferLength = len; | |
302 | sptd.s.SenseInfoLength = sizeof(sptd.sense); | |
303 | sptd.s.SenseInfoOffset = offsetof(struct sptd_with_sense, sense); | |
304 | ||
305 | memcpy(sptd.s.Cdb, cmd, cmd_len); | |
306 | ||
307 | ioctl_rv = DeviceIoControl(stream->fh, IOCTL_SCSI_PASS_THROUGH_DIRECT, &sptd, | |
308 | sizeof(sptd), &sptd, sizeof(sptd), &ioctl_bytes, NULL); | |
309 | ||
310 | #ifdef CDROM_DEBUG | |
311 | if (lba_req < lba_cur) | |
312 | extra = " BACKWARDS SECTOR READ"; | |
313 | else if (lba_req > lba_cur) | |
314 | extra = " SKIPPED SECTOR READ"; | |
315 | ||
316 | if (cmd[0] == 0xB9) | |
317 | { | |
318 | double time_taken = (double)(((clock() - t) * 1000) / CLOCKS_PER_SEC); | |
319 | printf("time taken %f ms for DT received length %ld of %" PRId64 " for %02d:%02d:%02d to %02d:%02d:%02d%s req %d cur %d cur_lba %d\n", time_taken, sptd.s.DataTransferLength, len, cmd[3], cmd[4], cmd[5], cmd[6], cmd[7], cmd[8], extra, lba_req, lba_cur, stream->cdrom.cur_lba); | |
320 | fflush(stdout); | |
321 | } | |
322 | ||
323 | last_min = cmd[3]; | |
324 | last_sec = cmd[4]; | |
325 | last_frame = cmd[5]; | |
326 | increment_msf(&last_min, &last_sec, &last_frame); | |
327 | #endif | |
328 | ||
329 | if (!ioctl_rv || sptd.s.ScsiStatus != 0) | |
330 | return 1; | |
331 | ||
332 | return 0; | |
333 | } | |
334 | #endif | |
335 | ||
336 | #if defined(__linux__) && !defined(ANDROID) | |
337 | static int cdrom_send_command_linux(const libretro_vfs_implementation_file *stream, CDROM_CMD_Direction dir, void *buf, size_t len, unsigned char *cmd, size_t cmd_len, unsigned char *sense, size_t sense_len) | |
338 | { | |
339 | sg_io_hdr_t sgio = {0}; | |
340 | int rv; | |
341 | ||
342 | switch (dir) | |
343 | { | |
344 | case DIRECTION_IN: | |
345 | sgio.dxfer_direction = SG_DXFER_FROM_DEV; | |
346 | break; | |
347 | case DIRECTION_OUT: | |
348 | sgio.dxfer_direction = SG_DXFER_TO_DEV; | |
349 | break; | |
350 | case DIRECTION_NONE: | |
351 | default: | |
352 | sgio.dxfer_direction = SG_DXFER_NONE; | |
353 | break; | |
354 | } | |
355 | ||
356 | sgio.interface_id = 'S'; | |
357 | sgio.cmd_len = cmd_len; | |
358 | sgio.cmdp = cmd; | |
359 | sgio.dxferp = buf; | |
360 | sgio.dxfer_len = len; | |
361 | sgio.sbp = sense; | |
362 | sgio.mx_sb_len = sense_len; | |
363 | sgio.timeout = 5000; | |
364 | ||
365 | rv = ioctl(fileno(stream->fp), SG_IO, &sgio); | |
366 | ||
367 | if (rv == -1 || sgio.info & SG_INFO_CHECK) | |
368 | return 1; | |
369 | ||
370 | return 0; | |
371 | } | |
372 | #endif | |
373 | ||
374 | static int cdrom_send_command(libretro_vfs_implementation_file *stream, CDROM_CMD_Direction dir, void *buf, size_t len, unsigned char *cmd, size_t cmd_len, size_t skip) | |
375 | { | |
376 | unsigned char *xfer_buf = NULL; | |
377 | unsigned char *xfer_buf_pos = xfer_buf; | |
378 | unsigned char sense[CDROM_MAX_SENSE_BYTES] = {0}; | |
379 | unsigned char retries_left = CDROM_MAX_RETRIES; | |
380 | int i, rv = 0; | |
381 | int frames = 1; | |
382 | size_t padded_req_bytes; | |
383 | size_t copied_bytes = 0; | |
384 | bool read_cd = false; | |
385 | ||
386 | if (!cmd || cmd_len == 0) | |
387 | return 1; | |
388 | ||
389 | if (cmd[0] == 0xBE || cmd[0] == 0xB9) | |
390 | { | |
391 | frames = ceil((len + skip) / 2352.0); | |
392 | padded_req_bytes = 2352 * frames; | |
393 | read_cd = true; | |
394 | /* these will be incremented below */ | |
395 | cmd[6] = cmd[3]; | |
396 | cmd[7] = cmd[4]; | |
397 | cmd[8] = cmd[5]; | |
398 | } | |
399 | else | |
400 | { | |
401 | padded_req_bytes = len + skip; | |
402 | } | |
403 | ||
404 | xfer_buf = (unsigned char*)memalign_alloc(4096, padded_req_bytes); | |
405 | xfer_buf_pos = xfer_buf; | |
406 | ||
407 | if (!xfer_buf) | |
408 | return 1; | |
409 | ||
410 | memset(xfer_buf, 0, padded_req_bytes); | |
411 | #ifdef CDROM_DEBUG | |
412 | printf("Number of frames to read: %d\n", frames); | |
413 | fflush(stdout); | |
414 | #endif | |
415 | for (i = 0; i < frames; i++) | |
416 | { | |
417 | size_t request_len = padded_req_bytes; | |
418 | size_t copy_len = request_len; | |
419 | bool cached_read = false; | |
420 | ||
421 | if (read_cd) | |
422 | { | |
423 | unsigned lba_req = 0; | |
424 | ||
425 | request_len = 2352; | |
426 | copy_len = request_len; | |
427 | ||
428 | increment_msf(&cmd[6], &cmd[7], &cmd[8]); | |
429 | ||
430 | if (i > 0) | |
431 | { | |
432 | skip = 0; | |
433 | increment_msf(&cmd[3], &cmd[4], &cmd[5]); | |
434 | } | |
435 | else | |
436 | { | |
437 | if (skip) | |
438 | copy_len -= skip; | |
439 | } | |
440 | ||
441 | if (i == frames - 1) | |
442 | { | |
443 | copy_len = len - copied_bytes; | |
444 | } | |
445 | ||
446 | lba_req = cdrom_msf_to_lba(cmd[3], cmd[4], cmd[5]); | |
447 | ||
448 | if (stream->cdrom.last_frame_valid && lba_req == stream->cdrom.last_frame_lba) | |
449 | { | |
450 | /* use cached frame */ | |
451 | cached_read = true; | |
452 | #ifdef CDROM_DEBUG | |
453 | printf("[CDROM] Using cached frame\n"); | |
454 | fflush(stdout); | |
455 | #endif | |
456 | /* assumes request_len is always equal to the size of last_frame */ | |
457 | memcpy(xfer_buf_pos, stream->cdrom.last_frame, sizeof(stream->cdrom.last_frame)); | |
458 | } | |
459 | ||
460 | } | |
461 | ||
462 | #ifdef CDROM_DEBUG | |
463 | if (!cached_read) | |
464 | { | |
465 | unsigned j; | |
466 | ||
467 | printf("[CDROM] Send Command: "); | |
468 | ||
469 | for (j = 0; j < cmd_len / sizeof(*cmd); j++) | |
470 | { | |
471 | printf("%02X ", cmd[j]); | |
472 | } | |
473 | ||
474 | if (len) | |
475 | printf("(buffer of size %" PRId64 " with skip bytes %" PRId64 " padded to %" PRId64 "), frame %d\n", len, skip, padded_req_bytes, i); | |
476 | else | |
477 | printf("\n"); | |
478 | ||
479 | fflush(stdout); | |
480 | } | |
481 | #endif | |
482 | ||
483 | retry: | |
484 | #if defined(__linux__) && !defined(ANDROID) | |
485 | if (cached_read || !cdrom_send_command_linux(stream, dir, xfer_buf_pos, request_len, cmd, cmd_len, sense, sizeof(sense))) | |
486 | #else | |
487 | #if defined(_WIN32) && !defined(_XBOX) | |
488 | if (cached_read || !cdrom_send_command_win32(stream, dir, xfer_buf_pos, request_len, cmd, cmd_len, sense, sizeof(sense))) | |
489 | #endif | |
490 | #endif | |
491 | { | |
492 | rv = 0; | |
493 | ||
494 | if (buf) | |
495 | { | |
496 | #if 0 | |
497 | printf("offsetting %" PRId64 " from buf, copying at xfer_buf offset %" PRId64 ", copying %" PRId64 " bytes\n", copied_bytes, (xfer_buf_pos + skip) - xfer_buf, copy_len); | |
498 | fflush(stdout); | |
499 | #endif | |
500 | memcpy((char*)buf + copied_bytes, xfer_buf_pos + skip, copy_len); | |
501 | copied_bytes += copy_len; | |
502 | ||
503 | if (read_cd && !cached_read && request_len >= 2352) | |
504 | { | |
505 | unsigned frame_end = cdrom_msf_to_lba(cmd[6], cmd[7], cmd[8]); | |
506 | ||
507 | /* cache the last received frame */ | |
508 | memcpy(stream->cdrom.last_frame, xfer_buf_pos, sizeof(stream->cdrom.last_frame)); | |
509 | stream->cdrom.last_frame_valid = true; | |
510 | /* the ending frame is never actually read, so what we really just read is the one right before that */ | |
511 | stream->cdrom.last_frame_lba = frame_end - 1; | |
512 | } | |
513 | else | |
514 | stream->cdrom.last_frame_valid = false; | |
515 | ||
516 | #if 0 | |
517 | printf("Frame %d, adding %" PRId64 " to buf_pos, is now %" PRId64 ". skip is %" PRId64 "\n", i, request_len, (xfer_buf_pos + request_len) - xfer_buf, skip); | |
518 | fflush(stdout); | |
519 | #endif | |
520 | xfer_buf_pos += request_len; | |
521 | } | |
522 | } | |
523 | else | |
524 | { | |
525 | #ifdef CDROM_DEBUG | |
526 | cdrom_print_sense_data(sense, sizeof(sense)); | |
527 | #endif | |
528 | ||
529 | /* INQUIRY/TEST/SENSE should never fail, don't retry. */ | |
530 | /* READ ATIP seems to fail outright on some drives with pressed discs, skip retries. */ | |
531 | if (cmd[0] != 0x0 && cmd[0] != 0x12 && cmd[0] != 0x5A && !(cmd[0] == 0x43 && cmd[2] == 0x4)) | |
532 | { | |
533 | unsigned char key = sense[2] & 0xF; | |
534 | ||
535 | switch (key) | |
536 | { | |
537 | case 0: | |
538 | case 2: | |
539 | case 3: | |
540 | case 4: | |
541 | case 6: | |
542 | if (retries_left) | |
543 | { | |
544 | #ifdef CDROM_DEBUG | |
545 | printf("[CDROM] Read Retry...\n"); | |
546 | fflush(stdout); | |
547 | #endif | |
548 | retries_left--; | |
549 | retro_sleep(1000); | |
550 | goto retry; | |
551 | } | |
552 | else | |
553 | { | |
554 | rv = 1; | |
555 | #ifdef CDROM_DEBUG | |
556 | printf("[CDROM] Read retries failed, giving up.\n"); | |
557 | fflush(stdout); | |
558 | #endif | |
559 | } | |
560 | ||
561 | break; | |
562 | default: | |
563 | break; | |
564 | } | |
565 | } | |
566 | ||
567 | rv = 1; | |
568 | } | |
569 | } | |
570 | ||
571 | if (xfer_buf) | |
572 | memalign_free(xfer_buf); | |
573 | ||
574 | return rv; | |
575 | } | |
576 | ||
577 | static const char* get_profile(unsigned short profile) | |
578 | { | |
579 | switch (profile) | |
580 | { | |
581 | case 2: | |
582 | return "Removable disk"; | |
583 | break; | |
584 | case 8: | |
585 | return "CD-ROM"; | |
586 | break; | |
587 | case 9: | |
588 | return "CD-R"; | |
589 | break; | |
590 | case 0xA: | |
591 | return "CD-RW"; | |
592 | break; | |
593 | case 0x10: | |
594 | return "DVD-ROM"; | |
595 | break; | |
596 | case 0x11: | |
597 | return "DVD-R Sequential Recording"; | |
598 | break; | |
599 | case 0x12: | |
600 | return "DVD-RAM"; | |
601 | break; | |
602 | case 0x13: | |
603 | return "DVD-RW Restricted Overwrite"; | |
604 | break; | |
605 | case 0x14: | |
606 | return "DVD-RW Sequential recording"; | |
607 | break; | |
608 | case 0x15: | |
609 | return "DVD-R Dual Layer Sequential Recording"; | |
610 | break; | |
611 | case 0x16: | |
612 | return "DVD-R Dual Layer Jump Recording"; | |
613 | break; | |
614 | case 0x17: | |
615 | return "DVD-RW Dual Layer"; | |
616 | break; | |
617 | case 0x1A: | |
618 | return "DVD+RW"; | |
619 | break; | |
620 | case 0x1B: | |
621 | return "DVD+R"; | |
622 | break; | |
623 | case 0x2A: | |
624 | return "DVD+RW Dual Layer"; | |
625 | break; | |
626 | case 0x2B: | |
627 | return "DVD+R Dual Layer"; | |
628 | break; | |
629 | case 0x40: | |
630 | return "BD-ROM"; | |
631 | break; | |
632 | case 0x41: | |
633 | return "BD-R SRM"; | |
634 | break; | |
635 | case 0x42: | |
636 | return "BD-R RRM"; | |
637 | break; | |
638 | case 0x43: | |
639 | return "BD-RE"; | |
640 | break; | |
641 | case 0x50: | |
642 | return "HD DVD-ROM"; | |
643 | break; | |
644 | case 0x51: | |
645 | return "HD DVD-R"; | |
646 | break; | |
647 | case 0x52: | |
648 | return "HD DVD-RAM"; | |
649 | break; | |
650 | case 0x53: | |
651 | return "HD DVD-RW"; | |
652 | break; | |
653 | case 0x58: | |
654 | return "HD DVD-R Dual Layer"; | |
655 | break; | |
656 | case 0x5A: | |
657 | return "HD DVD-RW Dual Layer"; | |
658 | break; | |
659 | default: | |
660 | break; | |
661 | } | |
662 | ||
663 | return "Unknown"; | |
664 | } | |
665 | ||
666 | int cdrom_get_sense(libretro_vfs_implementation_file *stream, unsigned char *sense, size_t len) | |
667 | { | |
668 | unsigned char cdb[] = {0x3, 0, 0, 0, 0xFC, 0}; | |
669 | unsigned char buf[0xFC] = {0}; | |
670 | int rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
671 | ||
672 | #ifdef CDROM_DEBUG | |
673 | printf("[CDROM] get sense data status code %d\n", rv); | |
674 | fflush(stdout); | |
675 | #endif | |
676 | ||
677 | if (rv) | |
678 | return 1; | |
679 | ||
680 | #ifdef CDROM_DEBUG | |
681 | cdrom_print_sense_data(buf, sizeof(buf)); | |
682 | #endif | |
683 | ||
684 | return 0; | |
685 | } | |
686 | ||
687 | void cdrom_get_current_config_random_readable(libretro_vfs_implementation_file *stream) | |
688 | { | |
689 | unsigned char cdb[] = {0x46, 0x2, 0, 0x10, 0, 0, 0, 0, 0x14, 0}; | |
690 | unsigned char buf[0x14] = {0}; | |
691 | int rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
692 | int i; | |
693 | ||
694 | printf("[CDROM] get current config random readable status code %d\n", rv); | |
695 | ||
696 | if (rv) | |
697 | return; | |
698 | ||
699 | printf("[CDROM] Feature Header: "); | |
700 | ||
701 | for (i = 0; i < 8; i++) | |
702 | { | |
703 | printf("%02X ", buf[i]); | |
704 | } | |
705 | ||
706 | printf("\n"); | |
707 | ||
708 | printf("[CDROM] Random Readable Feature Descriptor: "); | |
709 | ||
710 | for (i = 0; i < 12; i++) | |
711 | { | |
712 | printf("%02X ", buf[8 + i]); | |
713 | } | |
714 | ||
715 | printf("\n"); | |
716 | ||
717 | printf("[CDROM] Supported commands: READ CAPACITY, READ (10)\n"); | |
718 | } | |
719 | ||
720 | void cdrom_get_current_config_multiread(libretro_vfs_implementation_file *stream) | |
721 | { | |
722 | unsigned char cdb[] = {0x46, 0x2, 0, 0x1D, 0, 0, 0, 0, 0xC, 0}; | |
723 | unsigned char buf[0xC] = {0}; | |
724 | int rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
725 | int i; | |
726 | ||
727 | printf("[CDROM] get current config multi-read status code %d\n", rv); | |
728 | ||
729 | if (rv) | |
730 | return; | |
731 | ||
732 | printf("[CDROM] Feature Header: "); | |
733 | ||
734 | for (i = 0; i < 8; i++) | |
735 | { | |
736 | printf("%02X ", buf[i]); | |
737 | } | |
738 | ||
739 | printf("\n"); | |
740 | ||
741 | printf("[CDROM] Multi-Read Feature Descriptor: "); | |
742 | ||
743 | for (i = 0; i < 4; i++) | |
744 | { | |
745 | printf("%02X ", buf[8 + i]); | |
746 | } | |
747 | ||
748 | printf("\n"); | |
749 | ||
750 | printf("[CDROM] Supported commands: READ (10), READ CD, READ DISC INFORMATION, READ TRACK INFORMATION\n"); | |
751 | } | |
752 | ||
753 | void cdrom_get_current_config_cdread(libretro_vfs_implementation_file *stream) | |
754 | { | |
755 | unsigned char cdb[] = {0x46, 0x2, 0, 0x1E, 0, 0, 0, 0, 0x10, 0}; | |
756 | unsigned char buf[0x10] = {0}; | |
757 | int rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
758 | int i; | |
759 | ||
760 | printf("[CDROM] get current config cd read status code %d\n", rv); | |
761 | ||
762 | if (rv) | |
763 | return; | |
764 | ||
765 | printf("[CDROM] Feature Header: "); | |
766 | ||
767 | for (i = 0; i < 8; i++) | |
768 | { | |
769 | printf("%02X ", buf[i]); | |
770 | } | |
771 | ||
772 | printf("\n"); | |
773 | ||
774 | printf("[CDROM] CD Read Feature Descriptor: "); | |
775 | ||
776 | for (i = 0; i < 8; i++) | |
777 | { | |
778 | printf("%02X ", buf[8 + i]); | |
779 | } | |
780 | ||
781 | if (buf[8 + 2] & 1) | |
782 | printf("(current)\n"); | |
783 | ||
784 | printf("[CDROM] Supported commands: READ CD, READ CD MSF, READ TOC/PMA/ATIP\n"); | |
785 | } | |
786 | ||
787 | void cdrom_get_current_config_profiles(libretro_vfs_implementation_file *stream) | |
788 | { | |
789 | unsigned char cdb[] = {0x46, 0x2, 0, 0x0, 0, 0, 0, 0xFF, 0xFA, 0}; | |
790 | unsigned char buf[0xFFFA] = {0}; | |
791 | int rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
792 | int i; | |
793 | ||
794 | printf("[CDROM] get current config profiles status code %d\n", rv); | |
795 | ||
796 | if (rv) | |
797 | return; | |
798 | ||
799 | printf("[CDROM] Feature Header: "); | |
800 | ||
801 | for (i = 0; i < 8; i++) | |
802 | { | |
803 | printf("%02X ", buf[i]); | |
804 | } | |
805 | ||
806 | printf("\n"); | |
807 | ||
808 | printf("[CDROM] Profile List Descriptor: "); | |
809 | ||
810 | for (i = 0; i < 4; i++) | |
811 | { | |
812 | printf("%02X ", buf[8 + i]); | |
813 | } | |
814 | ||
815 | printf("\n"); | |
816 | ||
817 | printf("[CDROM] Number of profiles: %u\n", buf[8 + 3] / 4); | |
818 | ||
819 | for (i = 0; i < buf[8 + 3] / 4; i++) | |
820 | { | |
821 | unsigned short profile = (buf[8 + (4 * (i + 1))] << 8) | buf[8 + (4 * (i + 1)) + 1]; | |
822 | ||
823 | printf("[CDROM] Profile Number: %04X (%s) ", profile, get_profile(profile)); | |
824 | ||
825 | if (buf[8 + (4 * (i + 1)) + 2] & 1) | |
826 | printf("(current)\n"); | |
827 | else | |
828 | printf("\n"); | |
829 | } | |
830 | } | |
831 | ||
832 | void cdrom_get_current_config_core(libretro_vfs_implementation_file *stream) | |
833 | { | |
834 | unsigned char cdb[] = {0x46, 0x2, 0, 0x1, 0, 0, 0, 0, 0x14, 0}; | |
835 | unsigned char buf[20] = {0}; | |
836 | unsigned intf_std = 0; | |
837 | int rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
838 | int i; | |
839 | const char *intf_std_name = "Unknown"; | |
840 | ||
841 | printf("[CDROM] get current config core status code %d\n", rv); | |
842 | ||
843 | if (rv) | |
844 | return; | |
845 | ||
846 | printf("[CDROM] Feature Header: "); | |
847 | ||
848 | for (i = 0; i < 8; i++) | |
849 | { | |
850 | printf("%02X ", buf[i]); | |
851 | } | |
852 | ||
853 | printf("\n"); | |
854 | ||
855 | if (buf[6] == 0 && buf[7] == 8) | |
856 | printf("[CDROM] Current Profile: CD-ROM\n"); | |
857 | else | |
858 | printf("[CDROM] Current Profile: %02X%02X\n", buf[6], buf[7]); | |
859 | ||
860 | printf("[CDROM] Core Feature Descriptor: "); | |
861 | ||
862 | for (i = 0; i < 12; i++) | |
863 | { | |
864 | printf("%02X ", buf[8 + i]); | |
865 | } | |
866 | ||
867 | printf("\n"); | |
868 | ||
869 | intf_std = buf[8 + 4] << 24 | buf[8 + 5] << 16 | buf[8 + 6] << 8 | buf[8 + 7]; | |
870 | ||
871 | switch (intf_std) | |
872 | { | |
873 | case 0: | |
874 | intf_std_name = "Unspecified"; | |
875 | break; | |
876 | case 1: | |
877 | intf_std_name = "SCSI Family"; | |
878 | break; | |
879 | case 2: | |
880 | intf_std_name = "ATAPI"; | |
881 | break; | |
882 | case 7: | |
883 | intf_std_name = "Serial ATAPI"; | |
884 | break; | |
885 | case 8: | |
886 | intf_std_name = "USB"; | |
887 | break; | |
888 | default: | |
889 | break; | |
890 | } | |
891 | ||
892 | printf("[CDROM] Physical Interface Standard: %u (%s)\n", intf_std, intf_std_name); | |
893 | } | |
894 | ||
895 | int cdrom_read_subq(libretro_vfs_implementation_file *stream, unsigned char *buf, size_t len) | |
896 | { | |
897 | /* MMC Command: READ TOC/PMA/ATIP */ | |
898 | unsigned char cdb[] = {0x43, 0x2, 0x2, 0, 0, 0, 0x1, 0x9, 0x30, 0}; | |
899 | #ifdef CDROM_DEBUG | |
900 | unsigned short data_len = 0; | |
901 | unsigned char first_session = 0; | |
902 | unsigned char last_session = 0; | |
903 | int i; | |
904 | #endif | |
905 | int rv; | |
906 | ||
907 | if (!buf) | |
908 | return 1; | |
909 | ||
910 | rv = cdrom_send_command(stream, DIRECTION_IN, buf, len, cdb, sizeof(cdb), 0); | |
911 | ||
912 | if (rv) | |
913 | return 1; | |
914 | ||
915 | #ifdef CDROM_DEBUG | |
916 | data_len = buf[0] << 8 | buf[1]; | |
917 | first_session = buf[2]; | |
918 | last_session = buf[3]; | |
919 | ||
920 | printf("[CDROM] Data Length: %d\n", data_len); | |
921 | printf("[CDROM] First Session: %d\n", first_session); | |
922 | printf("[CDROM] Last Session: %d\n", last_session); | |
923 | ||
924 | for (i = 0; i < (data_len - 2) / 11; i++) | |
925 | { | |
926 | unsigned char session_num = buf[4 + (i * 11) + 0]; | |
927 | unsigned char adr = (buf[4 + (i * 11) + 1] >> 4) & 0xF; | |
928 | /*unsigned char control = buf[4 + (i * 11) + 1] & 0xF;*/ | |
929 | unsigned char tno = buf[4 + (i * 11) + 2]; | |
930 | unsigned char point = buf[4 + (i * 11) + 3]; | |
931 | unsigned char pmin = buf[4 + (i * 11) + 8]; | |
932 | unsigned char psec = buf[4 + (i * 11) + 9]; | |
933 | unsigned char pframe = buf[4 + (i * 11) + 10]; | |
934 | ||
935 | /*printf("i %d control %d adr %d tno %d point %d: ", i, control, adr, tno, point);*/ | |
936 | /* why is control always 0? */ | |
937 | ||
938 | if (/*(control == 4 || control == 6) && */adr == 1 && tno == 0 && point >= 1 && point <= 99) | |
939 | { | |
940 | printf("[CDROM] - Session#: %d TNO %d POINT %d ", session_num, tno, point); | |
941 | printf("Track start time: (aMSF %02u:%02u:%02u) ", (unsigned)pmin, (unsigned)psec, (unsigned)pframe); | |
942 | } | |
943 | else if (/*(control == 4 || control == 6) && */adr == 1 && tno == 0 && point == 0xA0) | |
944 | { | |
945 | printf("[CDROM] - Session#: %d TNO %d POINT %d ", session_num, tno, point); | |
946 | printf("First Track Number: %d ", pmin); | |
947 | printf("Disc Type: %d ", psec); | |
948 | } | |
949 | else if (/*(control == 4 || control == 6) && */adr == 1 && tno == 0 && point == 0xA1) | |
950 | { | |
951 | printf("[CDROM] - Session#: %d TNO %d POINT %d ", session_num, tno, point); | |
952 | printf("Last Track Number: %d ", pmin); | |
953 | } | |
954 | else if (/*(control == 4 || control == 6) && */adr == 1 && tno == 0 && point == 0xA2) | |
955 | { | |
956 | printf("[CDROM] - Session#: %d TNO %d POINT %d ", session_num, tno, point); | |
957 | printf("Lead-out start time: (aMSF %02u:%02u:%02u) ", (unsigned)pmin, (unsigned)psec, (unsigned)pframe); | |
958 | } | |
959 | ||
960 | printf("\n"); | |
961 | } | |
962 | ||
963 | fflush(stdout); | |
964 | #endif | |
965 | return 0; | |
966 | } | |
967 | ||
968 | static int cdrom_read_track_info(libretro_vfs_implementation_file *stream, unsigned char track, cdrom_toc_t *toc) | |
969 | { | |
970 | /* MMC Command: READ TRACK INFORMATION */ | |
971 | unsigned char cdb[] = {0x52, 0x1, 0, 0, 0, 0, 0, 0x1, 0x80, 0}; | |
972 | unsigned char buf[384] = {0}; | |
973 | unsigned lba = 0; | |
974 | unsigned track_size = 0; | |
975 | int rv; | |
976 | ssize_t pregap_lba_len; | |
977 | ||
978 | cdb[5] = track; | |
979 | ||
980 | rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
981 | ||
982 | if (rv) | |
983 | return 1; | |
984 | ||
985 | memcpy(&lba, buf + 8, 4); | |
986 | memcpy(&track_size, buf + 24, 4); | |
987 | ||
988 | lba = swap_if_little32(lba); | |
989 | track_size = swap_if_little32(track_size); | |
990 | ||
991 | /* lba_start may be earlier than the MSF start times seen in read_subq */ | |
992 | toc->track[track - 1].lba_start = lba; | |
993 | toc->track[track - 1].track_size = track_size; | |
994 | ||
995 | pregap_lba_len = (toc->track[track - 1].audio ? 0 : (toc->track[track - 1].lba - toc->track[track - 1].lba_start)); | |
996 | ||
997 | toc->track[track - 1].track_bytes = (track_size - pregap_lba_len) * 2352; | |
998 | toc->track[track - 1].mode = buf[6] & 0xF; | |
999 | ||
1000 | #ifdef CDROM_DEBUG | |
1001 | printf("[CDROM] Track %d Info: ", track); | |
1002 | printf("Copy: %d ", (buf[5] & 0x10) > 0); | |
1003 | printf("Data Mode: %d ", toc->track[track - 1].mode); | |
1004 | printf("LBA Start: %d (%d) ", lba, toc->track[track - 1].lba); | |
1005 | printf("Track Size: %d\n", track_size); | |
1006 | fflush(stdout); | |
1007 | #endif | |
1008 | ||
1009 | return 0; | |
1010 | } | |
1011 | ||
1012 | int cdrom_set_read_speed(libretro_vfs_implementation_file *stream, unsigned speed) | |
1013 | { | |
1014 | /* MMC Command: SET CD SPEED */ | |
1015 | unsigned char cmd[] = {0xBB, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; | |
1016 | ||
1017 | cmd[2] = (speed >> 24) & 0xFF; | |
1018 | cmd[3] = (speed >> 16) & 0xFF; | |
1019 | cmd[4] = (speed >> 8) & 0xFF; | |
1020 | cmd[5] = speed & 0xFF; | |
1021 | ||
1022 | return cdrom_send_command(stream, DIRECTION_NONE, NULL, 0, cmd, sizeof(cmd), 0); | |
1023 | } | |
1024 | ||
1025 | int cdrom_write_cue(libretro_vfs_implementation_file *stream, char **out_buf, size_t *out_len, char cdrom_drive, unsigned char *num_tracks, cdrom_toc_t *toc) | |
1026 | { | |
1027 | unsigned char buf[2352] = {0}; | |
1028 | unsigned short data_len = 0; | |
1029 | size_t len = 0; | |
1030 | size_t pos = 0; | |
1031 | int rv = 0; | |
1032 | int i; | |
1033 | ||
1034 | if (!out_buf || !out_len || !num_tracks || !toc) | |
1035 | { | |
1036 | #ifdef CDROM_DEBUG | |
1037 | printf("[CDROM] Invalid buffer/length pointer for CDROM cue sheet\n"); | |
1038 | fflush(stdout); | |
1039 | #endif | |
1040 | return 1; | |
1041 | } | |
1042 | ||
1043 | cdrom_set_read_speed(stream, 0xFFFFFFFF); | |
1044 | ||
1045 | rv = cdrom_read_subq(stream, buf, sizeof(buf)); | |
1046 | ||
1047 | if (rv) | |
1048 | return rv; | |
1049 | ||
1050 | data_len = buf[0] << 8 | buf[1]; | |
1051 | ||
1052 | for (i = 0; i < (data_len - 2) / 11; i++) | |
1053 | { | |
1054 | unsigned char adr = (buf[4 + (i * 11) + 1] >> 4) & 0xF; | |
1055 | unsigned char tno = buf[4 + (i * 11) + 2]; | |
1056 | unsigned char point = buf[4 + (i * 11) + 3]; | |
1057 | unsigned char pmin = buf[4 + (i * 11) + 8]; | |
1058 | ||
1059 | if (/*(control == 4 || control == 6) && */adr == 1 && tno == 0 && point == 0xA1) | |
1060 | { | |
1061 | *num_tracks = pmin; | |
1062 | #ifdef CDROM_DEBUG | |
1063 | printf("[CDROM] Number of CDROM tracks: %d\n", *num_tracks); | |
1064 | fflush(stdout); | |
1065 | #endif | |
1066 | break; | |
1067 | } | |
1068 | } | |
1069 | ||
1070 | if (!*num_tracks || *num_tracks > 99) | |
1071 | { | |
1072 | #ifdef CDROM_DEBUG | |
1073 | printf("[CDROM] Invalid number of CDROM tracks: %d\n", *num_tracks); | |
1074 | fflush(stdout); | |
1075 | #endif | |
1076 | return 1; | |
1077 | } | |
1078 | ||
1079 | len = CDROM_CUE_TRACK_BYTES * (*num_tracks); | |
1080 | toc->num_tracks = *num_tracks; | |
1081 | *out_buf = (char*)calloc(1, len); | |
1082 | *out_len = len; | |
1083 | ||
1084 | for (i = 0; i < (data_len - 2) / 11; i++) | |
1085 | { | |
1086 | /*unsigned char session_num = buf[4 + (i * 11) + 0];*/ | |
1087 | unsigned char adr = (buf[4 + (i * 11) + 1] >> 4) & 0xF; | |
1088 | unsigned char control = buf[4 + (i * 11) + 1] & 0xF; | |
1089 | unsigned char tno = buf[4 + (i * 11) + 2]; | |
1090 | unsigned char point = buf[4 + (i * 11) + 3]; | |
1091 | /*unsigned char amin = buf[4 + (i * 11) + 4]; | |
1092 | unsigned char asec = buf[4 + (i * 11) + 5]; | |
1093 | unsigned char aframe = buf[4 + (i * 11) + 6];*/ | |
1094 | unsigned char pmin = buf[4 + (i * 11) + 8]; | |
1095 | unsigned char psec = buf[4 + (i * 11) + 9]; | |
1096 | unsigned char pframe = buf[4 + (i * 11) + 10]; | |
1097 | unsigned lba = cdrom_msf_to_lba(pmin, psec, pframe); | |
1098 | ||
1099 | /*printf("i %d control %d adr %d tno %d point %d: amin %d asec %d aframe %d pmin %d psec %d pframe %d\n", i, control, adr, tno, point, amin, asec, aframe, pmin, psec, pframe);*/ | |
1100 | /* why is control always 0? */ | |
1101 | ||
1102 | if (/*(control == 4 || control == 6) && */adr == 1 && tno == 0 && point >= 1 && point <= 99) | |
1103 | { | |
1104 | bool audio = false; | |
1105 | const char *track_type = "MODE1/2352"; | |
1106 | ||
1107 | audio = (!(control & 0x4) && !(control & 0x5)); | |
1108 | ||
1109 | #ifdef CDROM_DEBUG | |
1110 | printf("[CDROM] Track %02d CONTROL %01X ADR %01X AUDIO? %d\n", point, control, adr, audio); | |
1111 | fflush(stdout); | |
1112 | #endif | |
1113 | ||
1114 | toc->track[point - 1].track_num = point; | |
1115 | toc->track[point - 1].min = pmin; | |
1116 | toc->track[point - 1].sec = psec; | |
1117 | toc->track[point - 1].frame = pframe; | |
1118 | toc->track[point - 1].lba = lba; | |
1119 | toc->track[point - 1].audio = audio; | |
1120 | ||
1121 | cdrom_read_track_info(stream, point, toc); | |
1122 | ||
1123 | if (audio) | |
1124 | track_type = "AUDIO"; | |
1125 | else if (toc->track[point - 1].mode == 1) | |
1126 | track_type = "MODE1/2352"; | |
1127 | else if (toc->track[point - 1].mode == 2) | |
1128 | track_type = "MODE2/2352"; | |
1129 | ||
1130 | #if defined(_WIN32) && !defined(_XBOX) | |
1131 | pos += snprintf(*out_buf + pos, len - pos, "FILE \"cdrom://%c:/drive-track%02d.bin\" BINARY\n", cdrom_drive, point); | |
1132 | #else | |
1133 | pos += snprintf(*out_buf + pos, len - pos, "FILE \"cdrom://drive%c-track%02d.bin\" BINARY\n", cdrom_drive, point); | |
1134 | #endif | |
1135 | pos += snprintf(*out_buf + pos, len - pos, " TRACK %02d %s\n", point, track_type); | |
1136 | ||
1137 | { | |
1138 | unsigned pregap_lba_len = toc->track[point - 1].lba - toc->track[point - 1].lba_start; | |
1139 | ||
1140 | if (toc->track[point - 1].audio && pregap_lba_len > 0) | |
1141 | { | |
1142 | unsigned char min = 0; | |
1143 | unsigned char sec = 0; | |
1144 | unsigned char frame = 0; | |
1145 | ||
1146 | cdrom_lba_to_msf(pregap_lba_len, &min, &sec, &frame); | |
1147 | ||
1148 | pos += snprintf(*out_buf + pos, len - pos, " INDEX 00 00:00:00\n"); | |
1149 | pos += snprintf(*out_buf + pos, len - pos, " INDEX 01 %02u:%02u:%02u\n", (unsigned)min, (unsigned)sec, (unsigned)frame); | |
1150 | } | |
1151 | else | |
1152 | pos += snprintf(*out_buf + pos, len - pos, " INDEX 01 00:00:00\n"); | |
1153 | } | |
1154 | } | |
1155 | } | |
1156 | ||
1157 | return 0; | |
1158 | } | |
1159 | ||
1160 | /* needs 32 bytes for full vendor, product and version */ | |
1161 | int cdrom_get_inquiry(libretro_vfs_implementation_file *stream, char *model, int len, bool *is_cdrom) | |
1162 | { | |
1163 | /* MMC Command: INQUIRY */ | |
1164 | unsigned char cdb[] = {0x12, 0, 0, 0, 0xff, 0}; | |
1165 | unsigned char buf[256] = {0}; | |
1166 | int rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
1167 | bool cdrom = false; | |
1168 | ||
1169 | if (rv) | |
1170 | return 1; | |
1171 | ||
1172 | if (model && len >= 32) | |
1173 | { | |
1174 | memset(model, 0, len); | |
1175 | ||
1176 | /* vendor */ | |
1177 | memcpy(model, buf + 8, 8); | |
1178 | ||
1179 | model[8] = ' '; | |
1180 | ||
1181 | /* product */ | |
1182 | memcpy(model + 9, buf + 16, 16); | |
1183 | ||
1184 | model[25] = ' '; | |
1185 | ||
1186 | /* version */ | |
1187 | memcpy(model + 26, buf + 32, 4); | |
1188 | } | |
1189 | ||
1190 | cdrom = (buf[0] == 5); | |
1191 | ||
1192 | if (is_cdrom && cdrom) | |
1193 | *is_cdrom = true; | |
1194 | ||
1195 | #ifdef CDROM_DEBUG | |
1196 | printf("[CDROM] Device Model: %s (is CD-ROM? %s)\n", model, (cdrom ? "yes" : "no")); | |
1197 | #endif | |
1198 | return 0; | |
1199 | } | |
1200 | ||
1201 | int cdrom_read(libretro_vfs_implementation_file *stream, cdrom_group_timeouts_t *timeouts, unsigned char min, unsigned char sec, unsigned char frame, void *s, size_t len, size_t skip) | |
1202 | { | |
1203 | /* MMC Command: READ CD MSF */ | |
1204 | unsigned char cdb[] = {0xB9, 0, 0, 0, 0, 0, 0, 0, 0, 0xF8, 0, 0}; | |
1205 | int rv; | |
1206 | double frames = ceil((len + skip) / 2352.0); | |
1207 | unsigned frame_end = cdrom_msf_to_lba(min, sec, frame) + frames; | |
1208 | ||
1209 | cdb[3] = min; | |
1210 | cdb[4] = sec; | |
1211 | cdb[5] = frame; | |
1212 | ||
1213 | if (frames <= 1) | |
1214 | { | |
1215 | cdrom_lba_to_msf(frame_end, &cdb[6], &cdb[7], &cdb[8]); | |
1216 | #ifdef CDROM_DEBUG | |
1217 | printf("[CDROM] single-frame read: %d %d %d skip %" PRId64 "\n", cdb[3], cdb[4], cdb[5], skip); | |
1218 | fflush(stdout); | |
1219 | #endif | |
1220 | } | |
1221 | else | |
1222 | { | |
1223 | cdrom_lba_to_msf(frame_end, &cdb[6], &cdb[7], &cdb[8]); | |
1224 | ||
1225 | #ifdef CDROM_DEBUG | |
1226 | printf("[CDROM] multi-frame read: %d sectors starting from %02d:%02d:%02d skip %" PRId64 "\n", (int)frames, cdb[3], cdb[4], cdb[5], skip); | |
1227 | fflush(stdout); | |
1228 | #endif | |
1229 | } | |
1230 | ||
1231 | /* regardless of the length specified here, a new buffer will be allocated and padded to a sector multiple inside cdrom_send_command */ | |
1232 | rv = cdrom_send_command(stream, DIRECTION_IN, s, len, cdb, sizeof(cdb), skip); | |
1233 | ||
1234 | #ifdef CDROM_DEBUG | |
1235 | printf("[CDROM] read msf status code %d\n", rv); | |
1236 | fflush(stdout); | |
1237 | #endif | |
1238 | ||
1239 | if (rv) | |
1240 | { | |
1241 | stream->cdrom.last_frame_valid = false; | |
1242 | return 1; | |
1243 | } | |
1244 | ||
1245 | return 0; | |
1246 | } | |
1247 | ||
1248 | int cdrom_stop(libretro_vfs_implementation_file *stream) | |
1249 | { | |
1250 | /* MMC Command: START STOP UNIT */ | |
1251 | unsigned char cdb[] = {0x1B, 0, 0, 0, 0x0, 0}; | |
1252 | int rv = cdrom_send_command(stream, DIRECTION_NONE, NULL, 0, cdb, sizeof(cdb), 0); | |
1253 | ||
1254 | #ifdef CDROM_DEBUG | |
1255 | printf("[CDROM] stop status code %d\n", rv); | |
1256 | fflush(stdout); | |
1257 | #endif | |
1258 | ||
1259 | if (rv) | |
1260 | return 1; | |
1261 | ||
1262 | return 0; | |
1263 | } | |
1264 | ||
1265 | int cdrom_unlock(libretro_vfs_implementation_file *stream) | |
1266 | { | |
1267 | /* MMC Command: PREVENT ALLOW MEDIUM REMOVAL */ | |
1268 | unsigned char cdb[] = {0x1E, 0, 0, 0, 0x2, 0}; | |
1269 | int rv = cdrom_send_command(stream, DIRECTION_NONE, NULL, 0, cdb, sizeof(cdb), 0); | |
1270 | ||
1271 | #ifdef CDROM_DEBUG | |
1272 | printf("[CDROM] persistent prevent clear status code %d\n", rv); | |
1273 | fflush(stdout); | |
1274 | #endif | |
1275 | ||
1276 | if (rv) | |
1277 | return 1; | |
1278 | ||
1279 | cdb[4] = 0x0; | |
1280 | ||
1281 | rv = cdrom_send_command(stream, DIRECTION_NONE, NULL, 0, cdb, sizeof(cdb), 0); | |
1282 | ||
1283 | #ifdef CDROM_DEBUG | |
1284 | printf("[CDROM] prevent clear status code %d\n", rv); | |
1285 | fflush(stdout); | |
1286 | #endif | |
1287 | ||
1288 | if (rv) | |
1289 | return 1; | |
1290 | ||
1291 | return 0; | |
1292 | } | |
1293 | ||
1294 | int cdrom_open_tray(libretro_vfs_implementation_file *stream) | |
1295 | { | |
1296 | /* MMC Command: START STOP UNIT */ | |
1297 | unsigned char cdb[] = {0x1B, 0, 0, 0, 0x2, 0}; | |
1298 | int rv; | |
1299 | ||
1300 | cdrom_unlock(stream); | |
1301 | cdrom_stop(stream); | |
1302 | ||
1303 | rv = cdrom_send_command(stream, DIRECTION_NONE, NULL, 0, cdb, sizeof(cdb), 0); | |
1304 | ||
1305 | #ifdef CDROM_DEBUG | |
1306 | printf("[CDROM] open tray status code %d\n", rv); | |
1307 | fflush(stdout); | |
1308 | #endif | |
1309 | ||
1310 | if (rv) | |
1311 | return 1; | |
1312 | ||
1313 | return 0; | |
1314 | } | |
1315 | ||
1316 | int cdrom_close_tray(libretro_vfs_implementation_file *stream) | |
1317 | { | |
1318 | /* MMC Command: START STOP UNIT */ | |
1319 | unsigned char cdb[] = {0x1B, 0, 0, 0, 0x3, 0}; | |
1320 | int rv = cdrom_send_command(stream, DIRECTION_NONE, NULL, 0, cdb, sizeof(cdb), 0); | |
1321 | ||
1322 | #ifdef CDROM_DEBUG | |
1323 | printf("[CDROM] close tray status code %d\n", rv); | |
1324 | fflush(stdout); | |
1325 | #endif | |
1326 | ||
1327 | if (rv) | |
1328 | return 1; | |
1329 | ||
1330 | return 0; | |
1331 | } | |
1332 | ||
1333 | struct string_list* cdrom_get_available_drives(void) | |
1334 | { | |
1335 | struct string_list *list = string_list_new(); | |
1336 | #if defined(__linux__) && !defined(ANDROID) | |
1337 | struct string_list *dir_list = dir_list_new("/dev", NULL, false, false, false, false); | |
1338 | int i; | |
1339 | bool found = false; | |
1340 | ||
1341 | if (!dir_list) | |
1342 | return list; | |
1343 | ||
1344 | for (i = 0; i < (int)dir_list->size; i++) | |
1345 | { | |
1346 | if (string_starts_with_size(dir_list->elems[i].data, "/dev/sg", | |
1347 | STRLEN_CONST("/dev/sg"))) | |
1348 | { | |
1349 | libretro_vfs_implementation_file *stream; | |
1350 | char drive_model[32] = {0}; | |
1351 | char drive_string[33] = {0}; | |
1352 | union string_list_elem_attr attr = {0}; | |
1353 | int dev_index = 0; | |
1354 | RFILE *file = filestream_open( | |
1355 | dir_list->elems[i].data, RETRO_VFS_FILE_ACCESS_READ, 0); | |
1356 | bool is_cdrom = false; | |
1357 | ||
1358 | found = true; | |
1359 | ||
1360 | if (!file) | |
1361 | { | |
1362 | #ifdef CDROM_DEBUG | |
1363 | printf("[CDROM] Could not open %s, please check permissions.\n", dir_list->elems[i].data); | |
1364 | fflush(stdout); | |
1365 | #endif | |
1366 | continue; | |
1367 | } | |
1368 | ||
1369 | stream = filestream_get_vfs_handle(file); | |
1370 | cdrom_get_inquiry(stream, drive_model, sizeof(drive_model), &is_cdrom); | |
1371 | filestream_close(file); | |
1372 | ||
1373 | if (!is_cdrom) | |
1374 | continue; | |
1375 | ||
1376 | sscanf(dir_list->elems[i].data + STRLEN_CONST("/dev/sg"), | |
1377 | "%d", &dev_index); | |
1378 | ||
1379 | dev_index = '0' + dev_index; | |
1380 | attr.i = dev_index; | |
1381 | ||
1382 | if (!string_is_empty(drive_model)) | |
1383 | strlcat(drive_string, drive_model, sizeof(drive_string)); | |
1384 | else | |
1385 | strlcat(drive_string, "Unknown Drive", sizeof(drive_string)); | |
1386 | ||
1387 | string_list_append(list, drive_string, attr); | |
1388 | } | |
1389 | } | |
1390 | ||
1391 | if (!found) | |
1392 | { | |
1393 | char *buf = NULL; | |
1394 | int64_t len = 0; | |
1395 | ||
1396 | if (filestream_read_file("/proc/modules", (void**)&buf, &len)) | |
1397 | { | |
1398 | #ifdef CDROM_DEBUG | |
1399 | bool found = false; | |
1400 | #endif | |
1401 | struct string_list mods = {0}; | |
1402 | ||
1403 | string_list_initialize(&mods); | |
1404 | ||
1405 | if (string_split_noalloc(&mods, buf, "\n")) | |
1406 | { | |
1407 | for (i = 0; i < (int)mods.size; i++) | |
1408 | { | |
1409 | if (strcasestr(mods.elems[i].data, "sg ")) | |
1410 | { | |
1411 | #ifdef CDROM_DEBUG | |
1412 | found = true; | |
1413 | #endif | |
1414 | break; | |
1415 | } | |
1416 | } | |
1417 | } | |
1418 | string_list_deinitialize(&mods); | |
1419 | free(buf); | |
1420 | ||
1421 | #ifdef CDROM_DEBUG | |
1422 | if (found) | |
1423 | { | |
1424 | printf("[CDROM] No sg devices found but kernel module is loaded.\n"); | |
1425 | fflush(stdout); | |
1426 | } | |
1427 | else | |
1428 | { | |
1429 | printf("[CDROM] No sg devices found and sg kernel module is not loaded.\n"); | |
1430 | fflush(stdout); | |
1431 | } | |
1432 | #endif | |
1433 | } | |
1434 | #ifdef CDROM_DEBUG | |
1435 | else | |
1436 | { | |
1437 | printf("[CDROM] No sg devices found, could not check if sg kernel module is loaded.\n"); | |
1438 | fflush(stdout); | |
1439 | } | |
1440 | #endif | |
1441 | } | |
1442 | ||
1443 | string_list_free(dir_list); | |
1444 | #endif | |
1445 | #if defined(_WIN32) && !defined(_XBOX) | |
1446 | DWORD drive_mask = GetLogicalDrives(); | |
1447 | int i; | |
1448 | ||
1449 | for (i = 0; i < (int)(sizeof(DWORD) * 8); i++) | |
1450 | { | |
1451 | char path[] = {"a:\\"}; | |
1452 | char cdrom_path[] = {"cdrom://a:/drive-track01.bin"}; | |
1453 | ||
1454 | path[0] += i; | |
1455 | cdrom_path[8] += i; | |
1456 | ||
1457 | /* this drive letter doesn't exist */ | |
1458 | if (!(drive_mask & (1 << i))) | |
1459 | continue; | |
1460 | ||
1461 | if (GetDriveType(path) != DRIVE_CDROM) | |
1462 | continue; | |
1463 | ||
1464 | { | |
1465 | libretro_vfs_implementation_file *stream; | |
1466 | bool is_cdrom = false; | |
1467 | char drive_model[32] = {0}; | |
1468 | char drive_string[33] = {0}; | |
1469 | union string_list_elem_attr attr = {0}; | |
1470 | RFILE *file = filestream_open(cdrom_path, RETRO_VFS_FILE_ACCESS_READ, 0); | |
1471 | if (!file) | |
1472 | continue; | |
1473 | ||
1474 | stream = filestream_get_vfs_handle(file); | |
1475 | cdrom_get_inquiry(stream, drive_model, sizeof(drive_model), &is_cdrom); | |
1476 | filestream_close(file); | |
1477 | ||
1478 | if (!is_cdrom) | |
1479 | continue; | |
1480 | ||
1481 | attr.i = path[0]; | |
1482 | ||
1483 | if (!string_is_empty(drive_model)) | |
1484 | strlcat(drive_string, drive_model, sizeof(drive_string)); | |
1485 | else | |
1486 | strlcat(drive_string, "Unknown Drive", sizeof(drive_string)); | |
1487 | ||
1488 | string_list_append(list, drive_string, attr); | |
1489 | } | |
1490 | } | |
1491 | #endif | |
1492 | return list; | |
1493 | } | |
1494 | ||
1495 | bool cdrom_is_media_inserted(libretro_vfs_implementation_file *stream) | |
1496 | { | |
1497 | /* MMC Command: TEST UNIT READY */ | |
1498 | unsigned char cdb[] = {0x00, 0, 0, 0, 0, 0}; | |
1499 | int rv = cdrom_send_command(stream, DIRECTION_NONE, NULL, 0, cdb, sizeof(cdb), 0); | |
1500 | ||
1501 | #ifdef CDROM_DEBUG | |
1502 | printf("[CDROM] media inserted status code %d\n", rv); | |
1503 | fflush(stdout); | |
1504 | #endif | |
1505 | ||
1506 | /* Will also return false if the drive is simply not ready yet (tray open, disc spinning back up after tray closed etc). | |
1507 | * Command will not block or wait for media to become ready. */ | |
1508 | if (rv) | |
1509 | return false; | |
1510 | ||
1511 | return true; | |
1512 | } | |
1513 | ||
1514 | bool cdrom_drive_has_media(const char drive) | |
1515 | { | |
1516 | RFILE *file; | |
1517 | char cdrom_path_bin[256] = {0}; | |
1518 | ||
1519 | cdrom_device_fillpath(cdrom_path_bin, sizeof(cdrom_path_bin), drive, 1, false); | |
1520 | ||
1521 | file = filestream_open(cdrom_path_bin, RETRO_VFS_FILE_ACCESS_READ, 0); | |
1522 | ||
1523 | if (file) | |
1524 | { | |
1525 | libretro_vfs_implementation_file *stream = filestream_get_vfs_handle(file); | |
1526 | bool has_media = cdrom_is_media_inserted(stream); | |
1527 | ||
1528 | filestream_close(file); | |
1529 | ||
1530 | return has_media; | |
1531 | } | |
1532 | ||
1533 | return false; | |
1534 | } | |
1535 | ||
1536 | bool cdrom_set_read_cache(libretro_vfs_implementation_file *stream, bool enabled) | |
1537 | { | |
1538 | int i; | |
1539 | /* MMC Command: MODE SENSE (10) and MODE SELECT (10) */ | |
1540 | unsigned char cdb_sense_changeable[] = {0x5A, 0, 0x48, 0, 0, 0, 0, 0, 0x14, 0}; | |
1541 | unsigned char cdb_sense[] = {0x5A, 0, 0x8, 0, 0, 0, 0, 0, 0x14, 0}; | |
1542 | unsigned char cdb_select[] = {0x55, 0x10, 0, 0, 0, 0, 0, 0, 0x14, 0}; | |
1543 | unsigned char buf[20] = {0}; | |
1544 | int rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), | |
1545 | cdb_sense_changeable, sizeof(cdb_sense_changeable), 0); | |
1546 | ||
1547 | #ifdef CDROM_DEBUG | |
1548 | printf("[CDROM] mode sense changeable status code %d\n", rv); | |
1549 | fflush(stdout); | |
1550 | #endif | |
1551 | ||
1552 | if (rv) | |
1553 | return false; | |
1554 | ||
1555 | if (!(buf[10] & 0x1)) | |
1556 | { | |
1557 | /* RCD (read cache disable) bit is not changeable */ | |
1558 | #ifdef CDROM_DEBUG | |
1559 | printf("[CDROM] RCD (read cache disable) bit is not changeable.\n"); | |
1560 | fflush(stdout); | |
1561 | #endif | |
1562 | return false; | |
1563 | } | |
1564 | ||
1565 | memset(buf, 0, sizeof(buf)); | |
1566 | ||
1567 | rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb_sense, sizeof(cdb_sense), 0); | |
1568 | ||
1569 | #ifdef CDROM_DEBUG | |
1570 | printf("mode sense status code %d\n", rv); | |
1571 | fflush(stdout); | |
1572 | #endif | |
1573 | ||
1574 | if (rv) | |
1575 | return false; | |
1576 | ||
1577 | #ifdef CDROM_DEBUG | |
1578 | printf("Mode sense data for caching mode page: "); | |
1579 | ||
1580 | for (i = 0; i < (int)sizeof(buf); i++) | |
1581 | printf("%02X ", buf[i]); | |
1582 | ||
1583 | printf("\n"); | |
1584 | fflush(stdout); | |
1585 | #endif | |
1586 | ||
1587 | /* "When transferred during execution of the MODE SELECT (10) command, Mode Data Length is reserved." */ | |
1588 | for (i = 0; i < 8; i++) | |
1589 | buf[i] = 0; | |
1590 | ||
1591 | if (enabled) | |
1592 | buf[10] &= ~1; | |
1593 | else | |
1594 | buf[10] |= 1; | |
1595 | ||
1596 | rv = cdrom_send_command(stream, DIRECTION_OUT, buf, sizeof(buf), cdb_select, sizeof(cdb_select), 0); | |
1597 | ||
1598 | #ifdef CDROM_DEBUG | |
1599 | printf("mode select status code %d\n", rv); | |
1600 | fflush(stdout); | |
1601 | #endif | |
1602 | ||
1603 | if (rv) | |
1604 | return false; | |
1605 | ||
1606 | return true; | |
1607 | } | |
1608 | ||
1609 | bool cdrom_get_timeouts(libretro_vfs_implementation_file *stream, cdrom_group_timeouts_t *timeouts) | |
1610 | { | |
1611 | /* MMC Command: MODE SENSE (10) */ | |
1612 | int rv; | |
1613 | unsigned char cdb[] = {0x5A, 0, 0x1D, 0, 0, 0, 0, 0, 0x14, 0}; | |
1614 | unsigned char buf[20] = {0}; | |
1615 | unsigned short g1 = 0; | |
1616 | unsigned short g2 = 0; | |
1617 | unsigned short g3 = 0; | |
1618 | ||
1619 | if (!timeouts) | |
1620 | return false; | |
1621 | ||
1622 | rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
1623 | ||
1624 | #ifdef CDROM_DEBUG | |
1625 | printf("get timeouts status code %d\n", rv); | |
1626 | fflush(stdout); | |
1627 | #endif | |
1628 | ||
1629 | if (rv) | |
1630 | return false; | |
1631 | ||
1632 | g1 = buf[14] << 8 | buf[15]; | |
1633 | g2 = buf[16] << 8 | buf[17]; | |
1634 | g3 = buf[18] << 8 | buf[19]; | |
1635 | ||
1636 | #ifdef CDROM_DEBUG | |
1637 | { | |
1638 | int i; | |
1639 | ||
1640 | printf("Mode sense data for timeout groups: "); | |
1641 | ||
1642 | for (i = 0; i < (int)sizeof(buf); i++) | |
1643 | printf("%02X ", buf[i]); | |
1644 | ||
1645 | printf("\n"); | |
1646 | ||
1647 | printf("Group 1 Timeout: %d\n", g1); | |
1648 | printf("Group 2 Timeout: %d\n", g2); | |
1649 | printf("Group 3 Timeout: %d\n", g3); | |
1650 | ||
1651 | fflush(stdout); | |
1652 | } | |
1653 | #endif | |
1654 | ||
1655 | timeouts->g1_timeout = g1; | |
1656 | timeouts->g2_timeout = g2; | |
1657 | timeouts->g3_timeout = g3; | |
1658 | ||
1659 | return true; | |
1660 | } | |
1661 | ||
1662 | bool cdrom_has_atip(libretro_vfs_implementation_file *stream) | |
1663 | { | |
1664 | /* MMC Command: READ TOC/PMA/ATIP */ | |
1665 | unsigned char cdb[] = {0x43, 0x2, 0x4, 0, 0, 0, 0, 0x9, 0x30, 0}; | |
1666 | unsigned char buf[32] = {0}; | |
1667 | unsigned short atip_len = 0; | |
1668 | int rv = cdrom_send_command(stream, DIRECTION_IN, buf, sizeof(buf), cdb, sizeof(cdb), 0); | |
1669 | ||
1670 | if (rv) | |
1671 | return false; | |
1672 | ||
1673 | atip_len = buf[0] << 8 | buf[1]; | |
1674 | ||
1675 | #ifdef CDROM_DEBUG | |
1676 | printf("ATIP Length %d, Disc Type %d, Disc Sub-Type %d\n", | |
1677 | atip_len, | |
1678 | (buf[6] >> 6) & 0x1, | |
1679 | ((buf[6] >> 5) & 0x1) << 2 | ((buf[6] >> 4) & 0x1) << 1 | ((buf[6] >> 3) & 0x1) << 0); | |
1680 | #endif | |
1681 | ||
1682 | if (atip_len < 5) | |
1683 | return false; | |
1684 | ||
1685 | return true; | |
1686 | } | |
1687 | ||
1688 | void cdrom_device_fillpath(char *path, size_t len, char drive, unsigned char track, bool is_cue) | |
1689 | { | |
1690 | if (!path || len == 0) | |
1691 | return; | |
1692 | if (is_cue) | |
1693 | { | |
1694 | #ifdef _WIN32 | |
1695 | size_t pos = strlcpy(path, "cdrom://", len); | |
1696 | if (len > pos) | |
1697 | path[pos++] = drive; | |
1698 | pos = strlcat(path, ":/drive.cue", len); | |
1699 | #else | |
1700 | #ifdef __linux__ | |
1701 | size_t pos = strlcpy(path, "cdrom://drive", len); | |
1702 | if (len > pos + 1) | |
1703 | { | |
1704 | path[pos++] = drive; | |
1705 | path[pos] = '\0'; | |
1706 | } | |
1707 | pos = strlcat(path, ".cue", len); | |
1708 | #endif | |
1709 | #endif | |
1710 | } | |
1711 | else | |
1712 | { | |
1713 | #ifdef _WIN32 | |
1714 | size_t pos = strlcpy(path, "cdrom://", len); | |
1715 | if (len > pos + 1) | |
1716 | { | |
1717 | path[pos++] = drive; | |
1718 | path[pos] = '\0'; | |
1719 | } | |
1720 | pos += snprintf(path + pos, len - pos, ":/drive-track%02d.bin", track); | |
1721 | #else | |
1722 | #ifdef __linux__ | |
1723 | size_t pos = strlcpy(path, "cdrom://drive", len); | |
1724 | if (len > pos) | |
1725 | path[pos++] = drive; | |
1726 | pos += snprintf(path + pos, len - pos, "-track%02d.bin", track); | |
1727 | #endif | |
1728 | #endif | |
1729 | } | |
1730 | } |