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Recognizing BD-R media spoiled by the close bug and handling them as appendable

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This commit is contained in:
Thomas Schmitt
2009-01-09 09:59:59 +00:00
parent 867093d7d4
commit 596d5bc5b0
5 changed files with 49 additions and 12 deletions
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41
libburn/mmc.c
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@ -1466,8 +1466,8 @@ static int mmc_read_disc_info_al(struct burn_drive *d, int *alloc_len)
struct command c;
char msg[160];
/* ts A70131 : had to move mmc_read_toc() to end of function */
int do_read_toc = 0, session_state, disc_status, len, old_alloc_len;
int ret;
int do_read_toc = 0, disc_status, len, old_alloc_len;
int ret, number_of_sessions = -1;
/* ts A61020 */
d->start_lba = d->end_lba = -2000000000;
@ -1526,6 +1526,9 @@ static int mmc_read_disc_info_al(struct burn_drive *d, int *alloc_len)
d->erasable = !!(data[2] & 16);
disc_status = data[2] & 3;
d->state_of_last_session = (data[2] >> 2) & 3;
number_of_sessions = (data[9] << 8) | data[4];
if (d->current_profile == 0x10 || d->current_profile == 0x40) {
/* DVD-ROM , BD-ROM */
disc_status = 2; /* always full and finalized */
@ -1581,12 +1584,27 @@ regard_as_blank:;
ret = mmc_read_capacity(d);
/* Freshly formatted, unwritten BD-R pretend to be appendable
but in our model they need to be regarded as blank.
Criterion: BD-R seq, read capacity known and 0,
declared appendable, single empty session
*/
if (d->current_profile == 0x41 && ret > 0 &&
if (d->current_profile == 0x41 &&
d->status == BURN_DISC_APPENDABLE &&
d->media_read_capacity == 0)
ret > 0 && d->media_read_capacity == 0 &&
d->state_of_last_session == 0 && number_of_sessions == 1)
goto regard_as_blank;
if (d->current_profile == 0x41 &&
d->status == BURN_DISC_APPENDABLE &&
d->state_of_last_session == 1) {
/* ??? apply this test to other media types ? */
libdax_msgs_submit(libdax_messenger, d->global_index,
0x00020169,
LIBDAX_MSGS_SEV_WARNING, LIBDAX_MSGS_PRIO_HIGH,
"Last session on media is still open.", 0, 0);
}
do_read_toc = 1;
break;
}
@ -1634,10 +1652,9 @@ regard_as_blank:;
d->complete_sessions = 0;
} else {
/* ts A70131 : number of non-empty sessions */
d->complete_sessions = (data[9] << 8) | data[4];
session_state = (data[2] >> 2) & 3;
d->complete_sessions = number_of_sessions;
/* mmc5r03c.pdf 6.22.3.1.3 State of Last Session: 3=complete */
if (session_state != 3 && d->complete_sessions >= 1)
if (d->state_of_last_session != 3 && d->complete_sessions >= 1)
d->complete_sessions--;
/* ts A70129 : mmc5r03c.pdf 6.22.3.1.7
@ -2852,7 +2869,8 @@ selected_not_suitable:;
d->current_profile == 0x14 ||
d->current_profile == 0x1a ||
d->current_profile == 0x12 ||
d->current_profile == 0x43))
d->current_profile == 0x41 ||
d->current_profile == 0x43))
goto unsuitable_media;
format_type = d->format_descriptors[index].type;
@ -2860,7 +2878,8 @@ selected_not_suitable:;
format_type == 0x10 ||
format_type == 0x11 || format_type == 0x13 ||
format_type == 0x15 || format_type == 0x26 ||
format_type == 0x30 || format_type == 0x31 ))
format_type == 0x30 || format_type == 0x31 ||
format_type == 0x32))
goto selected_not_suitable;
if (flag & 4) {
num_of_blocks =
@ -2872,7 +2891,8 @@ selected_not_suitable:;
c.page->data[9 + i] =
( d->format_descriptors[index].tdp >>
(16 - 8 * i)) & 0xff;
if (format_type == 0x30 || format_type == 0x31) {
if (format_type == 0x30 || format_type == 0x31 ||
format_type == 0x32) {
if (flag & 64)
format_sub_type = 3; /* Quick certification */
else
@ -3799,6 +3819,7 @@ int mmc_setup_drive(struct burn_drive *d)
d->bg_format_status = -1;
d->num_format_descr = 0;
d->complete_sessions = 0;
d->state_of_last_session = -1;
d->last_track_no = 1;
d->media_capacity_remaining = 0;
d->media_lba_limit = 0;