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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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2
cdrskin/cdrskin_timestamp.h
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@ -1 +1 @@
#define Cdrskin_timestamP "2012.04.04.183902"
#define Cdrskin_timestamP "2012.04.08.112703"

11
libburn/libburn.h
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@ -3079,6 +3079,17 @@ void burn_write_opts_set_stream_recording(struct burn_write_opts *opts,
*/
void burn_write_opts_set_dvd_obs(struct burn_write_opts *opts, int obs);
/* ts B20406 */
/** Overrides the automatic decision whether to pad up the last write chunk to
its full size. This applies to DVD, BD and stdio: pseudo-drives.
@param opts The write opts to change
@param pad 1 means to pad up in any case, 0 means automatic decision.
@since 1.2.4
*/
void burn_write_opts_set_obs_pad(struct burn_write_opts *opts, int pad);
/* ts A91115 */
/** Sets the rythm by which stdio pseudo drives force their output data to
be consumed by the receiving storage device. This forcing keeps the memory

1
libburn/libburn.ver
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@ -176,6 +176,7 @@ burn_write_opts_set_has_mediacatalog;
burn_write_opts_set_leadin_text;
burn_write_opts_set_mediacatalog;
burn_write_opts_set_multi;
burn_write_opts_set_obs_pad;
burn_write_opts_set_perform_opc;
burn_write_opts_set_simulate;
burn_write_opts_set_start_byte;

1
libburn/libdax_msgs.h
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@ -411,6 +411,7 @@ Range "libdax_msgs" : 0x00000000 to 0x0000ffff
0x00000001 (DEBUG,ZERO) = Test error message
0x00000002 (DEBUG,ZERO) = Debugging message
0x00000003 (FATAL,HIGH) = Out of virtual memory
0x00000004 (FATAL,HIGH) = Generic fatal error
------------------------------------------------------------------------------

9
libburn/options.c
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@ -1,6 +1,6 @@
/* Copyright (c) 2004 - 2006 Derek Foreman, Ben Jansens
Copyright (c) 2006 - 2010 Thomas Schmitt <scdbackup@gmx.net>
Copyright (c) 2006 - 2012 Thomas Schmitt <scdbackup@gmx.net>
Provided under GPL version 2 or later.
*/
@ -480,6 +480,13 @@ void burn_write_opts_set_dvd_obs(struct burn_write_opts *opts, int obs)
}
/* ts B20406: API */
void burn_write_opts_set_obs_pad(struct burn_write_opts *opts, int pad)
{
opts->obs_pad = 2 * !!pad;
}
/* ts A91115: API */
void burn_write_opts_set_stdio_fsync(struct burn_write_opts *opts, int rythm)
{

6
libburn/options.h
View File

@ -1,6 +1,6 @@
/* Copyright (c) 2004 - 2006 Derek Foreman, Ben Jansens
Copyright (c) 2006 - 2010 Thomas Schmitt <scdbackup@gmx.net>
Copyright (c) 2006 - 2012 Thomas Schmitt <scdbackup@gmx.net>
Provided under GPL version 2 or later.
*/
@ -42,7 +42,9 @@ struct burn_write_opts
/* ts A61219 : Output block size to trigger buffer flush if hit.
-1 with CD, 32 kB with DVD */
int obs;
int obs_pad; /* 1=pad up last block to obs */
int obs_pad; /* >0 pad up last block to obs, 0 do not
2 indicates burn_write_opts_set_obs_pad(,1)
*/
/* ts A61222 : Start address for media which allow a choice */
off_t start_byte;

43
libburn/write.c
View File

@ -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)