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New API function burn_disc_track_lba_nwa()

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This commit is contained in:
Thomas Schmitt 2006-11-11 12:22:53 +00:00
parent 62bd5963d0
commit 6c22b98235
8 changed files with 80 additions and 19 deletions
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2
cdrskin/cdrskin_timestamp.h
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@ -1 +1 @@
#define Cdrskin_timestamP "2006.11.10.185209"
#define Cdrskin_timestamP "2006.11.11.122402"

28
libburn/drive.c
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@ -1202,3 +1202,31 @@ int burn_disc_read_atip(struct burn_drive *d)
return 1;
}
/* ts A61110 : new API function */
int burn_disc_track_lba_nwa(struct burn_drive *d, struct burn_write_opts *o,
int trackno, int *lba, int *nwa)
{
int ret;
if (burn_drive_is_released(d)) {
libdax_msgs_submit(libdax_messenger,
d->global_index, 0x0002011b,
LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
"Attempt to read track info from ungrabbed drive",
0, 0);
return -1;
}
if (d->busy != BURN_DRIVE_IDLE) {
libdax_msgs_submit(libdax_messenger,
d->global_index, 0x0002011c,
LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
"Attempt to read track info from busy drive",
0, 0);
return -1;
}
if (o!=NULL)
d->send_write_parameters(d, o);
ret = d->get_nwa(d, trackno, lba, nwa);
return ret;
}

19
libburn/libburn.h
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@ -41,6 +41,10 @@ struct burn_session;
/** References a single track on a disc */
struct burn_track;
/* ts A61111 */
/** References a set of write parameters */
struct burn_write_opts;
/** Session format for normal audio or data discs */
#define BURN_CDROM 0
/** Session format for obsolete CD-I discs */
@ -691,6 +695,21 @@ int burn_disc_read_atip(struct burn_drive *drive);
int burn_drive_get_start_end_lba(struct burn_drive *drive,
int *start_lba, int *end_lba, int flag);
/* ts A61110 */
/** Read start lba and Next Writeable Address of a track from media.
Usually a track lba is obtained from the result of burn_track_get_entry().
This call retrieves an updated lba, eventual nwa, and can address the
invisible track to come.
The drive must be grabbed for this call. One may not issue this call
during ongoing burn_disc_write() or burn_disc_erase().
@param d The drive to query.
@param o If not NULL: write parameters to be set on drive before query
@param trackno 0=next track to come, >0 number of existing track
@return 1=nwa is valid , 0=nwa is not valid , -1=error
*/
int burn_disc_track_lba_nwa(struct burn_drive *d, struct burn_write_opts *o,
int trackno, int *lba, int *nwa);
/** Tells whether a disc can be erased or not
@return Non-zero means erasable

2
libburn/libdax_msgs.h
View File

@ -332,6 +332,8 @@ Range "scdbackup" : 0x00020000 to 0x0002ffff
0x00020118 (DEBUG,HIGH) = Closing track
0x00020119 (DEBUG,HIGH) = Closing session
0x0002011a (NOTE,HIGH) = Padding up track to minimum size
0x0002011b (FATAL,HIGH) = Attempt to read track info from ungrabbed drive
0x0002011c (FATAL,HIGH) = Attempt to read track info from busy drive
libdax_audioxtr:
0x00020200 (SORRY,HIGH) = Cannot open audio source file

22
libburn/mmc.c
View File

@ -99,7 +99,9 @@ void mmc_send_cue_sheet(struct burn_drive *d, struct cue_sheet *s)
d->issue_command(d, &c);
}
int mmc_get_nwa(struct burn_drive *d)
/* ts A61110 : added parameters trackno, lba, nwa. Redefined return value.
@return 1=nwa is valid , 0=nwa is not valid , -1=error */
int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
{
struct buffer buf;
struct command c;
@ -110,21 +112,27 @@ int mmc_get_nwa(struct burn_drive *d)
c.oplen = sizeof(MMC_TRACK_INFO);
memcpy(c.opcode, MMC_TRACK_INFO, sizeof(MMC_TRACK_INFO));
c.opcode[1] = 1;
if(trackno<=0)
c.opcode[5] = 0xFF;
else
c.opcode[5] = trackno;
c.page = &buf;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
data = c.page->data;
/* ts A61106 : >>> MMC-1 Table 142 : NWA_V = NWA Valid Flag
What to do if this is not 1 ? */
if (!(data[7]&1))
*lba = (data[8] << 24) + (data[9] << 16)
+ (data[10] << 8) + data[11];
*nwa = (data[12] << 24) + (data[13] << 16)
+ (data[14] << 8) + data[15];
/* ts A61106 : MMC-1 Table 142 : NWA_V = NWA Valid Flag */
if (!(data[7]&1)) {
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);
return (data[12] << 24) + (data[13] << 16)
+ (data[14] << 8) + data[15];
return 0;
}
return 1;
}
/* ts A61009 : function is obviously unused. */

6
libburn/mmc.h
View File

@ -37,7 +37,11 @@ void mmc_set_speed(struct burn_drive *, int, int);
void mmc_read_lead_in(struct burn_drive *, struct buffer *);
void mmc_perform_opc(struct burn_drive *);
void mmc_get_configuration(struct burn_drive *);
int mmc_get_nwa(struct burn_drive *);
/* ts A61110 : added parameters trackno, lba, nwa. Redefined return value.
@return 1=nwa is valid , 0=nwa is not valid , -1=error */
int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa);
void mmc_send_cue_sheet(struct burn_drive *, struct cue_sheet *);
/* ts A61023 : get size and free space of drive buffer */

2
libburn/transport.h
View File

@ -182,7 +182,7 @@ struct burn_drive
void (*send_cue_sheet) (struct burn_drive *, struct cue_sheet *);
void (*sync_cache) (struct burn_drive *);
int (*get_erase_progress) (struct burn_drive *);
int (*get_nwa) (struct burn_drive *);
int (*get_nwa) (struct burn_drive *, int trackno, int *lba, int *nwa);
/* ts A61009 : removed d in favor of o->drive */
/* void (*close_disc) (struct burn_drive * d,

16
libburn/write.c
View File

@ -570,7 +570,7 @@ int burn_write_track(struct burn_write_opts *o, struct burn_session *s,
{
struct burn_track *t = s->track[tnum];
struct burn_drive *d = o->drive;
int i, tmp = 0, open_ended = 0, ret, nwa;
int i, tmp = 0, open_ended = 0, ret, nwa, lba;
int sectors;
char msg[80];
@ -609,9 +609,10 @@ int burn_write_track(struct burn_write_opts *o, struct burn_session *s,
d->send_write_parameters(d, o);
/* ts A61103 */
nwa = d->get_nwa(d);
sprintf(msg, "pre-track %2.2d : get_nwa()= %d , d->nwa= %d\n",
tnum+1, nwa, d->nwa);
ret = d->get_nwa(d, -1, &lba, &nwa);
sprintf(msg,
"pre-track %2.2d : get_nwa(%d), ret= %d , d->nwa= %d\n",
tnum+1, nwa, ret, d->nwa);
libdax_msgs_submit(libdax_messenger, d->global_index, 0x000002,
LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
msg,0,0);
@ -749,8 +750,7 @@ void burn_disc_write_sync(struct burn_write_opts *o, struct burn_disc *disc)
struct burn_drive *d = o->drive;
struct buffer buf;
struct burn_track *lt;
int first = 1, i;
int nwa;
int first = 1, i, ret, lba, nwa;
char msg[80];
/* ts A60924 : libburn/message.c gets obsoleted
@ -778,8 +778,8 @@ return crap. so we send the command, then ignore the result.
d->send_write_parameters(d, o);
nwa = d->get_nwa(d);
sprintf(msg, "Inquired nwa: %d", nwa);
ret = d->get_nwa(d, -1, &lba, &nwa);
sprintf(msg, "Inquired nwa: %d (ret=%d)", nwa, ret);
libdax_msgs_submit(libdax_messenger, d->global_index,
0x00000002,
LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,