site_archiver@lists.apple.com Delivered-To: darwin-dev@lists.apple.com dk_cd_read_toc_t cd_read_toc; uint8_t buffer [2048]; bzero(&cd_read_toc, sizeof(cd_read_toc)); bzero(buffer, sizeof(buffer)); cd_read_toc.format = kCDTOCFormatTOC; cd_read_toc.buffer = buffer; cd_read_toc.bufferLength = sizeof(buffer); result = ioctl([self fileDescriptor], DKIOCCDREADTOC, &cd_read_toc); External Plextor: 2008-01-03 20:40:29.544 Max[3025:10b] TOC parsing complete 2008-01-03 20:40:29.545 Max[3025:10b] ==================== 2008-01-03 20:40:29.546 Max[3025:10b] First session : 1 2008-01-03 20:40:29.547 Max[3025:10b] Last session : 1 2008-01-03 20:40:29.548 Max[3025:10b] Session number : 1 2008-01-03 20:40:29.548 Max[3025:10b] First track : 1 2008-01-03 20:40:29.549 Max[3025:10b] Last track : 38 2008-01-03 20:40:29.550 Max[3025:10b] Lead out : 519112 2008-01-03 20:40:29.550 Max[3025:10b] Track number 1 2008-01-03 20:40:29.551 Max[3025:10b] First sector : 51 2008-01-03 20:40:29.551 Max[3025:10b] Track number 2 2008-01-03 20:40:29.552 Max[3025:10b] First sector : 91133 2008-01-03 20:40:29.552 Max[3025:10b] Track number 3 2008-01-03 20:40:29.553 Max[3025:10b] First sector : 111482 2008-01-03 20:40:29.555 Max[3025:10b] Track number 4 2008-01-03 20:40:29.555 Max[3025:10b] First sector : 185858 2008-01-03 20:40:29.556 Max[3025:10b] Track number 5 2008-01-03 20:40:29.556 Max[3025:10b] First sector : 221062 2008-01-03 20:40:29.557 Max[3025:10b] Track number 6 2008-01-03 20:40:29.558 Max[3025:10b] First sector : 225426 2008-01-03 20:40:29.559 Max[3025:10b] Track number 7 2008-01-03 20:40:29.559 Max[3025:10b] First sector : 226433 2008-01-03 20:40:29.560 Max[3025:10b] Track number 8 2008-01-03 20:40:29.560 Max[3025:10b] First sector : 229476 2008-01-03 20:40:29.561 Max[3025:10b] Track number 9 2008-01-03 20:40:29.561 Max[3025:10b] First sector : 235476 2008-01-03 20:40:29.562 Max[3025:10b] Track number 10 2008-01-03 20:40:29.562 Max[3025:10b] First sector : 0 2008-01-03 20:40:29.562 Max[3025:10b] Track number 11 2008-01-03 20:40:29.563 Max[3025:10b] First sector : 0 2008-01-03 20:40:29.563 Max[3025:10b] Track number 12 2008-01-03 20:40:29.563 Max[3025:10b] First sector : 0 2008-01-03 20:40:29.564 Max[3025:10b] Track number 13 2008-01-03 20:40:29.564 Max[3025:10b] First sector : 0 2008-01-03 20:40:29.565 Max[3025:10b] Track number 14 2008-01-03 20:40:29.565 Max[3025:10b] First sector : 0 2008-01-03 20:40:29.566 Max[3025:10b] Track number 15 2008-01-03 20:40:29.566 Max[3025:10b] First sector : 0 2008-01-03 20:40:29.566 Max[3025:10b] Track number 16 2008-01-03 20:40:29.567 Max[3025:10b] First sector : 238551 2008-01-03 20:40:29.567 Max[3025:10b] Track number 17 2008-01-03 20:40:29.568 Max[3025:10b] First sector : 252351 2008-01-03 20:40:29.568 Max[3025:10b] Track number 18 2008-01-03 20:40:29.569 Max[3025:10b] First sector : 255876 2008-01-03 20:40:29.569 Max[3025:10b] Track number 19 2008-01-03 20:40:29.569 Max[3025:10b] First sector : 257826 2008-01-03 20:40:29.570 Max[3025:10b] Track number 20 2008-01-03 20:40:29.570 Max[3025:10b] First sector : 292749 2008-01-03 20:40:29.571 Max[3025:10b] Track number 21 2008-01-03 20:40:29.571 Max[3025:10b] First sector : 298626 2008-01-03 20:40:29.571 Max[3025:10b] Track number 22 2008-01-03 20:40:29.572 Max[3025:10b] First sector : 307813 2008-01-03 20:40:29.572 Max[3025:10b] Track number 23 2008-01-03 20:40:29.573 Max[3025:10b] First sector : 315158 2008-01-03 20:40:29.573 Max[3025:10b] Track number 24 2008-01-03 20:40:29.574 Max[3025:10b] First sector : 324487 2008-01-03 20:40:29.574 Max[3025:10b] Track number 25 2008-01-03 20:40:29.575 Max[3025:10b] First sector : 331401 2008-01-03 20:40:29.575 Max[3025:10b] Track number 26 2008-01-03 20:40:29.575 Max[3025:10b] First sector : 0 2008-01-03 20:40:29.576 Max[3025:10b] Track number 27 2008-01-03 20:40:29.576 Max[3025:10b] First sector : 0 2008-01-03 20:40:29.578 Max[3025:10b] Track number 28 2008-01-03 20:40:29.579 Max[3025:10b] First sector : 0 2008-01-03 20:40:29.579 Max[3025:10b] Track number 29 2008-01-03 20:40:29.591 Max[3025:10b] First sector : 0 2008-01-03 20:40:29.592 Max[3025:10b] Track number 30 2008-01-03 20:40:29.592 Max[3025:10b] First sector : 0 2008-01-03 20:40:29.592 Max[3025:10b] Track number 31 2008-01-03 20:40:29.593 Max[3025:10b] First sector : 0 2008-01-03 20:40:29.593 Max[3025:10b] Track number 32 2008-01-03 20:40:29.593 Max[3025:10b] First sector : 369233 2008-01-03 20:40:29.594 Max[3025:10b] Track number 33 2008-01-03 20:40:29.594 Max[3025:10b] First sector : 378426 2008-01-03 20:40:29.594 Max[3025:10b] Track number 34 2008-01-03 20:40:29.595 Max[3025:10b] First sector : 383113 2008-01-03 20:40:29.595 Max[3025:10b] Track number 35 2008-01-03 20:40:29.595 Max[3025:10b] First sector : 391701 2008-01-03 20:40:29.596 Max[3025:10b] Track number 36 2008-01-03 20:40:29.596 Max[3025:10b] First sector : 433508 2008-01-03 20:40:29.597 Max[3025:10b] Track number 37 2008-01-03 20:40:29.597 Max[3025:10b] First sector : 445851 2008-01-03 20:40:29.597 Max[3025:10b] Track number 38 2008-01-03 20:40:29.611 Max[3025:10b] First sector : 459051 --------------------------------------------------------------------------------------------------------------------------------------------------------- Internal Drive: 2008-01-03 20:43:03.275 Max[3042:10b] TOC parsing complete 2008-01-03 20:43:03.277 Max[3042:10b] ==================== 2008-01-03 20:43:03.277 Max[3042:10b] First session : 1 2008-01-03 20:43:03.278 Max[3042:10b] Last session : 1 2008-01-03 20:43:03.278 Max[3042:10b] Session number : 1 2008-01-03 20:43:03.278 Max[3042:10b] First track : 1 2008-01-03 20:43:03.279 Max[3042:10b] Last track : 26 2008-01-03 20:43:03.279 Max[3042:10b] Lead out : 327820 2008-01-03 20:43:03.279 Max[3042:10b] Track number 1 2008-01-03 20:43:03.281 Max[3042:10b] First sector : 33 2008-01-03 20:43:03.281 Max[3042:10b] Track number 2 2008-01-03 20:43:03.282 Max[3042:10b] First sector : 63683 2008-01-03 20:43:03.282 Max[3042:10b] Track number 3 2008-01-03 20:43:03.282 Max[3042:10b] First sector : 83120 2008-01-03 20:43:03.283 Max[3042:10b] Track number 4 2008-01-03 20:43:03.283 Max[3042:10b] First sector : 131408 2008-01-03 20:43:03.284 Max[3042:10b] Track number 5 2008-01-03 20:43:03.284 Max[3042:10b] First sector : 138220 2008-01-03 20:43:03.284 Max[3042:10b] Track number 6 2008-01-03 20:43:03.285 Max[3042:10b] First sector : 142608 2008-01-03 20:43:03.285 Max[3042:10b] Track number 7 2008-01-03 20:43:03.286 Max[3042:10b] First sector : 144983 2008-01-03 20:43:03.286 Max[3042:10b] Track number 8 2008-01-03 20:43:03.286 Max[3042:10b] First sector : 148458 2008-01-03 20:43:03.287 Max[3042:10b] Track number 9 2008-01-03 20:43:03.287 Max[3042:10b] First sector : 154008 2008-01-03 20:43:03.287 Max[3042:10b] Track number 10 2008-01-03 20:43:03.288 Max[3042:10b] First sector : 157533 2008-01-03 20:43:03.288 Max[3042:10b] Track number 11 2008-01-03 20:43:03.289 Max[3042:10b] First sector : 169533 2008-01-03 20:43:03.289 Max[3042:10b] Track number 12 2008-01-03 20:43:03.289 Max[3042:10b] First sector : 173508 2008-01-03 20:43:03.293 Max[3042:10b] Track number 13 2008-01-03 20:43:03.294 Max[3042:10b] First sector : 176358 2008-01-03 20:43:03.295 Max[3042:10b] Track number 14 2008-01-03 20:43:03.295 Max[3042:10b] First sector : 182943 2008-01-03 20:43:03.295 Max[3042:10b] Track number 15 2008-01-03 20:43:03.296 Max[3042:10b] First sector : 190158 2008-01-03 20:43:03.296 Max[3042:10b] Track number 16 2008-01-03 20:43:03.298 Max[3042:10b] First sector : 197533 2008-01-03 20:43:03.299 Max[3042:10b] Track number 17 2008-01-03 20:43:03.299 Max[3042:10b] First sector : 207158 2008-01-03 20:43:03.300 Max[3042:10b] Track number 18 2008-01-03 20:43:03.300 Max[3042:10b] First sector : 216445 2008-01-03 20:43:03.301 Max[3042:10b] Track number 19 2008-01-03 20:43:03.302 Max[3042:10b] First sector : 222483 2008-01-03 20:43:03.303 Max[3042:10b] Track number 20 2008-01-03 20:43:03.303 Max[3042:10b] First sector : 232433 2008-01-03 20:43:03.303 Max[3042:10b] Track number 21 2008-01-03 20:43:03.304 Max[3042:10b] First sector : 243408 2008-01-03 20:43:03.304 Max[3042:10b] Track number 22 2008-01-03 20:43:03.305 Max[3042:10b] First sector : 248083 2008-01-03 20:43:03.305 Max[3042:10b] Track number 23 2008-01-03 20:43:03.306 Max[3042:10b] First sector : 256683 2008-01-03 20:43:03.306 Max[3042:10b] Track number 24 2008-01-03 20:43:03.307 Max[3042:10b] First sector : 271058 2008-01-03 20:43:03.307 Max[3042:10b] Track number 25 2008-01-03 20:43:03.307 Max[3042:10b] First sector : 282033 2008-01-03 20:43:03.308 Max[3042:10b] Track number 26 2008-01-03 20:43:03.308 Max[3042:10b] First sector : 297033 There is a comment in IOCDTypes.h which says: /* * Table Of Contents * * All CDTOC fields passed across I/O Kit APIs are guaranteed to be * binary-encoded numbers (no BCD-encoded numbers are ever passed). */ Thanks, Stephen _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.appl... One of my users reported a bug when accessing some of his CDs from an external CD drive. After some debugging, it appears to me that the CDTOC returned from the external drive contains BCD-encoded numbers. My code which reads the TOC looks like: I inserted some debugging statements to print out the result. For the same disc, here is what the user saw in each of his drives: So indeed it appears that his external Plextor drive is returning a CDTOC with BCD-encoded numbers, because Internal last track: 26 (which is correct) External last track: 38, 0010 0110 in binary, when interpreted as BCD equals 26 in decimal Internal LBA for track 1: 33 (correct) External LBA for track 1: 51, 0011 0011 in binary, when interpreted as BCD equals 33 so I assumed I didn't have to convert from BCD. Have I made an error in my code or should this not be happening? This email sent to site_archiver@lists.apple.com