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Preparations for DVD-R[W] Sequential Recording

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This commit is contained in:
Thomas Schmitt
2007-01-30 17:54:39 +00:00
parent 1c750ea1e8
commit eae1198606
3 changed files with 23 additions and 20 deletions
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19
libburn/trunk/libburn/mmc.c
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@ -44,7 +44,7 @@ extern struct libdax_msgs *libdax_messenger;
#define Libburn_support_dvd_raM 1
/* ts A70129 >>> EXPERIMENTAL
/* ts A70129 >>> EXPERIMENTAL UNTESTED
#define Libburn_support_dvd_r_seQ 1
*/
@ -168,6 +168,7 @@ int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
struct buffer buf;
struct command c;
unsigned char *data;
int i;
mmc_function_spy("mmc_get_nwa");
c.retry = 1;
@ -178,11 +179,15 @@ int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
if (d->current_profile == 0x1a || d->current_profile == 0x13 ||
d->current_profile == 0x12 )
/* DVD+RW , DVD-RW restricted overwrite , DVD-RAM */
c.opcode[5] = 1;
trackno = 1;
else if (d->current_profile == 0x11 ||
d->current_profile == 0x14) /* DVD-R[W] Sequential */
trackno = d->last_track_no;
else /* mmc5r03c.pdf: valid only for CD, DVD+R, DVD+R DL */
c.opcode[5] = 0xFF;
} else
c.opcode[5] = trackno;
trackno = 0xFF;
}
for (i = 0; i < 4; i++)
c.opcode[2 + i] = (trackno >> (24 - 8 * i)) & 0xff;
c.page = &buf;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
@ -538,6 +543,7 @@ void mmc_read_disc_info(struct burn_drive *d)
/* ts A61020 */
d->start_lba = d->end_lba = -2000000000;
d->erasable = 0;
d->last_track_no = 1;
/* ts A61202 */
d->toc_entries = 0;
@ -595,7 +601,6 @@ void mmc_read_disc_info(struct burn_drive *d)
*/
d->status = BURN_DISC_BLANK;
d->last_track_no = 0;
break;
case 1:
d->status = BURN_DISC_APPENDABLE;
@ -1816,7 +1821,7 @@ int mmc_setup_drive(struct burn_drive *d)
d->needs_close_session = 0;
d->bg_format_status = -1;
d->num_format_descr = 0;
d->last_track_no = 0;
d->last_track_no = 1;
return 1;
}