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New in API : struct burn_multi_caps and burn_disc_get_multi_caps()

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This commit is contained in:
Thomas Schmitt 2007-02-04 07:30:14 +00:00
parent db9f4a1d04
commit 135d9d5016
6 changed files with 259 additions and 7 deletions
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2
cdrskin/cdrskin_timestamp.h
View File

@ -1 +1 @@
#define Cdrskin_timestamP "2007.02.02.173345"
#define Cdrskin_timestamP "2007.02.03.205526"

9
libburn/async.c
View File

@ -331,6 +331,13 @@ void burn_disc_write(struct burn_write_opts *opts, struct burn_disc *disc)
struct write_opts o;
int i, j, mode, mixed_mode = 0;
/* For the next lines any return indicates failure */
opts->drive->cancel = 1;
/* ts A70203 : people have been warned in API specs */
if (opts->write_type == BURN_WRITE_NONE)
return;
/* ts A61006 */
/* a ssert(!SCAN_GOING()); */
/* a ssert(!find_worker(opts->drive)); */
@ -371,6 +378,8 @@ void burn_disc_write(struct burn_write_opts *opts, struct burn_disc *disc)
return;
}
opts->drive->cancel = 0; /* End of the return = failure area */
o.drive = opts->drive;
o.opts = opts;
o.disc = disc;

108
libburn/drive.c
View File

@ -1558,3 +1558,111 @@ int burn_drive_free_speedlist(struct burn_speed_descriptor **speed_list)
return burn_speed_descriptor_destroy(speed_list, 1);
}
/* ts A70203 : API function */
int burn_disc_get_multi_caps(struct burn_drive *d, enum burn_write_types wt,
struct burn_multi_caps **caps, int flag)
{
enum burn_disc_status s;
struct burn_multi_caps *o;
int status, num_formats, ret, type, i;
off_t size;
unsigned dummy;
*caps = NULL;
s = burn_disc_get_status(d);
if(s == BURN_DISC_UNGRABBED)
return -1;
*caps = o = (struct burn_multi_caps *)
malloc(sizeof(struct burn_multi_caps));
if(*caps == NULL)
return -1;
/* Default says nothing is available */
o->multi_session = o->multi_track = 0;
o-> start_adr = 0;
o->start_alignment = o->start_range_low = o->start_range_high = 0;
o->might_do_tao = o->might_do_sao = o->might_do_raw = 0;
o->advised_write_mode = BURN_WRITE_NONE;
o->selected_write_mode = wt;
if (s != BURN_DISC_BLANK && s != BURN_DISC_APPENDABLE) {
return 0;
} else if (s == BURN_DISC_APPENDABLE &&
(wt == BURN_WRITE_SAO || wt == BURN_WRITE_RAW)) {
return 0;
} else if (d->current_profile == 0x09 || d->current_profile == 0x0a) {
/* CD-R , CD-RW */
if (d->block_types[BURN_WRITE_TAO]) {
o->multi_session = o->multi_track = 1;
o->might_do_tao = 2;
if (o->advised_write_mode == BURN_WRITE_NONE)
o->advised_write_mode = BURN_WRITE_TAO;
}
if (d->block_types[BURN_WRITE_SAO]) {
o->multi_session = o->multi_track = 1;
o->might_do_sao = 1;
if (o->advised_write_mode == BURN_WRITE_NONE)
o->advised_write_mode = BURN_WRITE_SAO;
}
if (d->block_types[BURN_WRITE_RAW]) {
o->might_do_raw = 1;
if (o->advised_write_mode == BURN_WRITE_NONE)
o->advised_write_mode = BURN_WRITE_RAW;
}
} else if (d->current_profile == 0x11 || d->current_profile == 0x14) {
/* DVD-R , sequential DVD-RW */
if (d->current_has_feat21h) {
o->multi_session = o->multi_track = 1;
o->might_do_tao = 2;
o->advised_write_mode = BURN_WRITE_TAO;
}
} else if (d->current_profile == 0x12 || d->current_profile == 0x13 ||
d->current_profile == 0x1a) {
/* DVD-RAM, overwriteable DVD-RW, DVD+RW */
o->start_adr = 1;
ret = burn_disc_get_formats(d, &status, &size, &dummy,
&num_formats);
if (ret == 1) {
if (status == BURN_FORMAT_IS_FORMATTED)
o->start_range_high = size;
if (d->current_profile == 0x13) {
o->start_alignment = 32 * 1024;
for (i = 0; i < num_formats; i++) {
ret = burn_disc_get_format_descr(d, i,
&type, &size, &dummy);
if (ret <= 0)
continue;
if (type == 0x13) /* expandable */
break;
}
if (i >= num_formats) /* not expandable */
o->start_range_high -= 32 * 1024;
} else {
o->start_alignment = 2 * 1024;
if (d->best_format_size - 2048 >
o->start_range_high)
o->start_range_high =
d->best_format_size - 2048;
}
}
o->might_do_tao = 2;
o->advised_write_mode = BURN_WRITE_TAO;
} else /* unknown media */
return 0;
if (s == BURN_DISC_APPENDABLE)
o->might_do_sao = o->might_do_raw = 0;
return 1;
}
/* ts A70203 : API function */
int burn_disc_free_multi_caps(struct burn_multi_caps **caps)
{
if (*caps == NULL)
return 0;
free((char *) *caps);
*caps = NULL;
return 1;
}

106
libburn/libburn.h
View File

@ -126,7 +126,14 @@ enum burn_write_types
all subcodes must be provided by lib or user
only raw block types are supported
*/
BURN_WRITE_RAW
BURN_WRITE_RAW,
/** In replies this indicates that not any writing will work.
As parameter for inquiries it indicates that no particular write
mode shall is specified.
Do not use for setting a write mode for burning. It won't work.
*/
BURN_WRITE_NONE
};
/** Data format to send to the drive */
@ -1254,11 +1261,11 @@ void burn_write_opts_set_multi(struct burn_write_opts *opts, int multi);
/* ts A61222 */
/** Sets a start address for writing to media and write modes which allow to
choose this address at all (DVD+RW, DVD-RAM, DVD-RW only for now). The
address is given in bytes. If it is not -1 then a write run will fail if
choice of start address is not supported or if the block alignment of the
address is not suitable for media and write mode. (Alignment to 32 kB
blocks is advised with DVD media.)
choose this address at all (DVD+RW, DVD-RAM, formatted DVD-RW only for
now). The address is given in bytes. If it is not -1 then a write run
will fail if choice of start address is not supported or if the block
alignment of the address is not suitable for media and write mode.
(Alignment to 32 kB blocks is advised with DVD media.)
@param opts The write opts to change
@param value The address in bytes (-1 = start at default address)
*/
@ -1370,6 +1377,93 @@ int burn_drive_get_speedlist(struct burn_drive *d,
int burn_drive_free_speedlist(struct burn_speed_descriptor **speed_list);
/* ts A70203 */
/** The reply structure for burn_disc_get_multi_caps() */
struct burn_multi_caps {
/* Multi-session capability allows to keep the media appendable after
writing a session. It also guarantees that the drive will be able
to predict and use the appropriate Next Writeable Address to place
the next session on the media without overwriting the existing ones.
1= media may be kept appendable by burn_write_opts_set_multi(o,1)
0= media will not be apendable appendable
*/
int multi_session;
/* Multi-track capability allows to write more than one track source
during a single session. The written tracks can later be found in
libburn's TOC model with their start addresses and sizes.
1= multiple tracks per session are allowed
0= only one track per session allowed
*/
int multi_track;
/* Start-address capability allows to set a non-zero address with
burn_write_opts_set_start_byte(). Eventually this has to respect
.start_alignment and .start_range_low, .start_range_high in this
structure.
1= non-zero start address is allowed
0= only start address 0 is allowed (to depict the drive's own idea
about the appropriate write start)
*/
int start_adr;
/** The alignment for start addresses.
( start_address % start_alignment ) must be 0.
*/
off_t start_alignment;
/** The lowest permissible start address.
*/
off_t start_range_low;
/** The highest addressable start address.
*/
off_t start_range_high;
/** Potential availability of write modes
2= available, no size prediction necessary
1= available, needs exact size prediction
0= not available
With CD media (profiles 0x09 and 0x0a) check also the elements
*_block_types of the according write mode.
*/
int might_do_tao;
int might_do_sao;
int might_do_raw;
/* Advised write mode.
*/
enum burn_write_types advised_write_mode;
/* Write mode as given by parameter wt of burn_disc_get_multi_caps().
*/
enum burn_write_types selected_write_mode;
};
/** Allocates a struct burn_multi_caps (see above) and fills it with values
which are appropriate for the drive and the loaded media. The drive
must be grabbed for this call. The returned structure has to be disposed
via burn_disc_free_multi_caps() when no longer needed.
@param d The drive to inquire
@param wt With BURN_WRITE_NONE the best capabilities of all write modes
get returned. If set to a write mode like BURN_WRITE_TAO the
capabilities with that particular mode are returned.
@param caps returns the info structure
@param flag Bitfield for control purposes (unused yet, submit 0)
@return < 0 : error , 0 : writing seems impossible , 1 : writing possible
*/
int burn_disc_get_multi_caps(struct burn_drive *d, enum burn_write_types wt,
struct burn_multi_caps **caps, int flag);
/** Removes from memory a multi session info structure which was returned by
burn_disc_get_multi_caps(). The pointer *caps gets set o NULL.
@param caps the info structure to dispose (note: pointer to pointer)
@return 0 : *caps was already NULL, 1 : memory object was disposed
*/
int burn_disc_free_multi_caps(struct burn_multi_caps **caps);
/** Gets a copy of the toc_entry structure associated with a track
@param t Track to get the entry from
@param entry Struct for the library to fill out

2
libburn/mmc.c
View File

@ -1709,6 +1709,8 @@ int mmc_read_format_capacities(struct burn_drive *d, int top_wanted)
score = 100 * sign;
} else if(type == 0x15) { /* DVD-RW Quick */
score = 50 * sign;
} else if(type == 0x26) { /* DVD+RW */
score = 1 * sign;
} else {
continue;
}

39
test/telltoc.c
View File

@ -228,6 +228,7 @@ int telltoc_media(struct burn_drive *drive)
double max_speed = 0.0, min_speed = 0.0, speed_conv;
enum burn_disc_status s;
char profile_name[80], speed_unit[40];
struct burn_multi_caps *caps;
printf("Media current: ");
ret = burn_disc_get_profile(drive, &profile_no, profile_name);
@ -273,6 +274,44 @@ int telltoc_media(struct burn_drive *drive)
} else
printf("is not recognizable\n");
ret = burn_disc_get_multi_caps(drive, BURN_WRITE_NONE, &caps, 0);
if (ret > 0) {
printf("Write multi : ");
printf("%s multi-session , ",
caps->multi_session == 1 ? "allows" : "prohibits");
if (caps->multi_track)
printf("allows multiple tracks\n");
else
printf("enforces single track\n");
printf("Write start : ");
if (caps->start_adr == 1)
printf(
"allows addresses [%.f , %.f]s , alignment=%.fs\n",
(double) caps->start_range_low / 2048 ,
(double) caps->start_range_high / 2048 ,
(double) caps->start_alignment / 2048 );
else
printf("prohibits write start addressing\n");
printf("Write modes : ");
if (caps->might_do_tao)
printf("TAO%s",
caps->advised_write_mode == BURN_WRITE_TAO ?
" (advised)" : "");
if (caps->might_do_sao)
printf("%sSAO%s",
caps->might_do_tao ? " , " : "",
caps->advised_write_mode == BURN_WRITE_SAO ?
" (advised)" : "");
if (caps->might_do_raw)
printf("%sRAW%s",
caps->might_do_tao | caps->might_do_sao ?
" , " : "",
caps->advised_write_mode == BURN_WRITE_RAW ?
" (advised)" : "");
printf("\n");
burn_disc_free_multi_caps(&caps);
}
ret= burn_drive_get_write_speed(drive);
max_speed = ((double ) ret) / speed_conv;
ret= burn_drive_get_min_write_speed(drive);