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New API call burn_write_opts_set_obs_pad()

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This commit is contained in:
Thomas Schmitt
2012-04-08 11:26:35 +00:00
parent 31a4d2c1e1
commit 529c4a2d2e
7 changed files with 57 additions and 16 deletions
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43
libburn/write.c
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@ -1597,15 +1597,29 @@ int burn_disc_open_track_dvd_plus_r(struct burn_write_opts *o,
if (o->write_type == BURN_WRITE_SAO &&
! burn_track_is_open_ended(s->track[tnum])) {
/* Round track size up to write chunk size and reserve track */
/* Reserve track */
size = ((off_t) burn_track_get_sectors_2(s->track[tnum], 1))
* (off_t) 2048;
/* o->obs should be 32k or 64k already. But 32k alignment
was once performed in d->reserve_track() */
if (o->obs % 32768)
o->obs += 32768 - (o->obs % 32768);
if (size % o->obs)
size += (off_t) (o->obs - (size % o->obs));
if (o->obs_pad) {
/* Round track size up to write chunk size */
/* o->obs should be 32k or 64k already. But 32k
alignment was once performed in d->reserve_track()*/
if (o->obs % 32768)
o->obs += 32768 - (o->obs % 32768);
if (size % o->obs)
size += (off_t) (o->obs - (size % o->obs));
}
/* <<< Only for now until the first DVD+R succeeded */
if (!o->obs_pad) {
sprintf(msg, "Program error: encountered DVD+R without chunk padding");
libdax_msgs_submit(libdax_messenger, d->global_index,
0x00000004,
LIBDAX_MSGS_SEV_FATAL, LIBDAX_MSGS_PRIO_HIGH,
msg, 0, 0);
{ret = 0; goto ex;}
}
ret = d->reserve_track(d, size);
if (ret <= 0) {
sprintf(msg, "Cannot reserve track of %.f bytes",
@ -2280,11 +2294,13 @@ int burn_dvd_write_sync(struct burn_write_opts *o,
LIBDAX_MSGS_SEV_NOTE, LIBDAX_MSGS_PRIO_HIGH,
msg, 0, 0);
}
o->obs_pad = 0; /* no filling-up of track's last 32k buffer */
if (o->obs_pad < 2)
o->obs_pad = 0; /* no filling-up of last 32k buffer */
if (d->current_profile == 0x43) /* BD-RE */
o->obs = Libburn_bd_re_obS;
if (d->do_stream_recording) {
o->obs_pad = 1;
if (o->obs_pad < 2)
o->obs_pad = 1;
if (d->current_profile == 0x43) /* BD-RE */
o->obs = Libburn_bd_re_streamed_obS;
}
@ -2321,7 +2337,8 @@ int burn_dvd_write_sync(struct burn_write_opts *o,
burn_track_set_size(t, default_size);
}
/* Whether to fill-up last 32k buffer of track. */
o->obs_pad = (o->write_type != BURN_WRITE_SAO);
if (o->obs_pad < 2)
o->obs_pad = (o->write_type != BURN_WRITE_SAO);
ret = burn_disc_setup_dvd_minus_r(o, disc);
if (ret <= 0) {
sprintf(msg,
@ -2362,7 +2379,8 @@ int burn_dvd_write_sync(struct burn_write_opts *o,
goto early_failure;
}
/* ??? padding needed ??? cowardly doing it for now */
o->obs_pad = 1; /* fill-up track's last 32k buffer */
if (o->obs_pad < 2)
o->obs_pad = 1; /* fill-up track's last 32k buffer */
if (d->do_stream_recording) {
if (d->current_profile == 0x41) /* BD-R */
o->obs = Libburn_bd_re_streamed_obS;
@ -2777,7 +2795,8 @@ int burn_stdio_write_sync(struct burn_write_opts *o,
struct burn_drive *d = o->drive;
d->needs_close_session = 0;
o->obs_pad = 0; /* no filling-up of track's last 32k buffer */
if (o->obs_pad < 2)
o->obs_pad = 0; /* no filling-up of track's last 32k buffer */
o->obs = 32*1024; /* buffer size */
if (disc->sessions != 1)