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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 bda139f390
commit 53a1e99675
3 changed files with 23 additions and 20 deletions
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22
libburn/write.c
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@ -196,8 +196,7 @@ int burn_write_close_track(struct burn_write_opts *o, struct burn_session *s,
MMC-3 does not. I tried both. 0xFF was in effect when other
bugs finally gave up and made way for readable tracks. */
/* ts A70129
Probably the right value would be d->last_track_no+tnum for
appendables
Probably the right value for appendables is d->last_track_no
*/
d->close_track_session(o->drive, 0, 0xff);
@ -901,13 +900,10 @@ int burn_disc_close_track_dvd_minus_r(struct burn_write_opts *o,
return 2;
d->busy = BURN_DRIVE_CLOSING_SESSION;
/* 0xff was a name for the last track in MMC-1 but later
it vanished. One would need to determine the absolute
logical track number in multi-session situations.
Probably: d->last_track_no+tnum
*/
d->close_track_session(d, 0, 0xff); /* CLOSE TRACK, 001b */
/* Ignoring tnum here and hoping that d->last_track_no is correct */
d->close_track_session(d, 0, d->last_track_no); /* CLOSE TRACK, 001b */
d->busy = BURN_DRIVE_WRITING;
d->last_track_no++;
return 1;
}
@ -953,7 +949,7 @@ int burn_dvd_write_track(struct burn_write_opts *o,
d->progress.sector++;
}
/* Pad up buffer to next full 32 kB */
/* Pad up buffer to next full o->obs (usually 32 kB) */
if (o->obs_pad && out->bytes > 0 && out->bytes < o->obs) {
memset(out->data + out->bytes, 0, o->obs - out->bytes);
out->sectors += (o->obs - out->bytes) / 2048;
@ -1024,8 +1020,8 @@ int burn_disc_close_session_dvd_minus_r(struct burn_write_opts *o,
{
struct burn_drive *d = o->drive;
if (d->current_has_feat21h != 1) /* only for Incremental writing */
return 2;
if (d->current_has_feat21h != 1)
return 2; /* only for Incremental writing */
d->busy = BURN_DRIVE_CLOSING_SESSION;
d->close_track_session(d, 1, 0); /* CLOSE SESSION, 010b */
@ -1177,7 +1173,7 @@ int burn_disc_setup_dvd_minus_rw(struct burn_write_opts *o,
}
/* ts A70129 */
/* ts A70129 : for DVD-R[W] Sequential Recoding */
int burn_disc_setup_dvd_minus_r(struct burn_write_opts *o,
struct burn_disc *disc)
{
@ -1304,6 +1300,8 @@ int burn_dvd_write_sync(struct burn_write_opts *o,
msg, 0,0);
goto early_failure;
}
/* ??? padding needed ??? cowardly doing it for now */
o->obs_pad = 1; /* fill-up track's last 32k buffer */
} else {
sprintf(msg, "Unsuitable media detected. Profile %4.4Xh %s",