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Improved reaction on Damage Bit and missing NWA_V of READ TRACK INFORMATION

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This commit is contained in:
Thomas Schmitt 2011-05-26 14:58:10 +00:00
parent edd131b1b9
commit 0352486f97
4 changed files with 57 additions and 7 deletions
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2
cdrskin/cdrskin_timestamp.h
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@ -1 +1 @@
#define Cdrskin_timestamP "2011.05.23.182627"
#define Cdrskin_timestamP "2011.05.26.145626"

3
libburn/libdax_msgs.h
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@ -569,6 +569,9 @@ Range "scdbackup" : 0x00020000 to 0x0002ffff
0x00020181 (FAILURE,HIGH) = Pseudo-drive is a read-only file. Cannot write.
0x00020182 (FAILURE,HIGH) = Cannot truncate disk file for pseudo blanking
0x00020183 (WARNING,HIGH) = Failed to open device (a pseudo-drive) for reading
0x00020184 (WARNING,HIGH) = No Next-Writable-Address
0x00020185 (WARNING,HIGH) = Track damaged, not closed and not writable
0x00020186 (WARNING,HIGH) = Track damaged and not closed
libdax_audioxtr:
0x00020200 (SORRY,HIGH) = Cannot open audio source file

54
libburn/mmc.c
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@ -423,9 +423,12 @@ int mmc_read_track_info(struct burn_drive *d, int trackno, struct buffer *buf,
int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
{
struct buffer *buf = NULL;
int ret, num, alloc_len = 20;
int ret, num, alloc_len = 20, err;
unsigned char *data;
char *msg = NULL;
if (trackno <= 0)
d->next_track_damaged = 0;
mmc_start_if_needed(d, 1);
if (mmc_function_spy(d, "mmc_get_nwa") <= 0)
{ret = -1; goto ex;}
@ -447,16 +450,53 @@ int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
/* >>> memorize track mode : data[6] & 0xf */;
#endif
{ static int fake_damage = 0; /* bit0= damage on , bit1= NWA_V off */
if (fake_damage & 1)
data[5] |= 32; /* Damage bit */
if (fake_damage & 2)
data[7] &= ~1;
}
BURN_ALLOC_MEM(msg, char, 160);
if (trackno > 0)
sprintf(msg, "Track number %d: ", trackno);
else
sprintf(msg, "Upcomming track: ");
if (d->current_profile == 0x1a || d->current_profile == 0x13 ||
d->current_profile == 0x12 || d->current_profile == 0x43) {
/* overwriteable */
*lba = *nwa = num = 0;
} else if (!(data[7]&1)) {
/* ts A61106 : MMC-1 Table 142 : NWA_V = NWA Valid Flag */
libdax_msgs_submit(libdax_messenger, -1, 0x00000002,
LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
"mmc_get_nwa: Track Info Block: NWA_V == 0", 0, 0);
} else if (data[5] & 32) { /* ts B10534 : MMC-5 6.27.3.7 Damage Bit */
if (!(data[7] & 1)) { /* NWA_V is set to zero */
/* "not closed due to an incomplete write" */
strcat(msg, "Damaged, not closed and not writable");
err= 0x00020185;
} else {
/* "may be recorded further in an incremental manner"*/
strcat(msg, "Damaged and not closed");
err= 0x00020186;
}
libdax_msgs_submit(libdax_messenger, d->global_index, err,
LIBDAX_MSGS_SEV_WARNING, LIBDAX_MSGS_PRIO_HIGH,
msg, 0, 0);
if (trackno <= 0)
d->next_track_damaged |= ((!(data[7] & 1)) << 1) | 1;
{ret = 0; goto ex;}
} else if (!(data[7] & 1)) {
/* ts A61106 : MMC-1 Table 142 : NWA_V = NWA Valid Flag */
strcat(msg, "No Next-Writable-Address");
libdax_msgs_submit(libdax_messenger, d->global_index,
0x00020184,
LIBDAX_MSGS_SEV_WARNING, LIBDAX_MSGS_PRIO_HIGH,
msg, 0, 0);
if (trackno <= 0)
d->next_track_damaged |= 2;
{ret = 0; goto ex;}
}
if (num > 0) {
burn_drive_set_media_capacity_remaining(d,
@ -473,6 +513,7 @@ int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
ret = 1;
ex:
BURN_FREE_MEM(buf);
BURN_FREE_MEM(msg);
return ret;
}
@ -4485,6 +4526,7 @@ int mmc_setup_drive(struct burn_drive *d)
d->current_feat23h_byte4 = 0;
d->current_feat23h_byte8 = 0;
d->current_feat2fh_byte4 = -1;
d->next_track_damaged = 0;
d->needs_close_session = 0;
d->needs_sync_cache = 0;
d->bg_format_status = -1;

5
libburn/transport.h
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@ -208,6 +208,11 @@ struct burn_drive
*/
int current_feat2fh_byte4;
/* ts B10524 : whether the damage bit was set for the future track.
bit0= damage bit , bit1= nwa valid bit
*/
int next_track_damaged;
/* ts A70114 : whether a DVD-RW media holds an incomplete session
(which could need closing after write) */
int needs_close_session;