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Introduced API for inspection and selection of format capacities

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This commit is contained in:
Thomas Schmitt 2007-01-13 21:18:20 +00:00
parent a426df57d7
commit 07cef29616
4 changed files with 109 additions and 25 deletions
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2
cdrskin/cdrskin_timestamp.h
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@ -1 +1 @@
#define Cdrskin_timestamP "2007.01.13.211425"
#define Cdrskin_timestamP "2007.01.13.211639"

2
libburn/async.c
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@ -277,6 +277,8 @@ void burn_disc_format(struct burn_drive *drive, off_t size, int flag)
0, 0);
return;
}
if (flag & 128) /* application prescribed format type */
flag |= 16; /* enforce re-format */
if (drive->current_profile == 0x14)
ok = 1; /* DVD-RW sequential */

60
libburn/drive.c
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@ -475,7 +475,7 @@ void burn_disc_erase_sync(struct burn_drive *d, int fast)
/*
@param flag: bit0 = fill formatted size with zeros
bit1, bit2 , bit4 are for d->format_unit()
bit1, bit2 , bit4, bit7 - bit15 are for d->format_unit()
*/
void burn_disc_format_sync(struct burn_drive *d, off_t size, int flag)
{
@ -484,20 +484,6 @@ void burn_disc_format_sync(struct burn_drive *d, off_t size, int flag)
char msg[80];
struct buffer buf;
/*
#define Libburn_format_ignore_sizE 1
*/
#ifdef Libburn_format_ignore_sizE
size = 0;
#else
stages = 1 + ((flag & 1) && size > 1024 * 1024);
#endif
d->cancel = 0;
d->busy = BURN_DRIVE_FORMATTING;
ret = d->format_unit(d, size, flag & 0x16); /* forward bits 1,2,4 */
if (ret <= 0)
d->cancel = 1;
/* reset the progress */
d->progress.session = 0;
d->progress.sessions = 1;
@ -508,6 +494,12 @@ void burn_disc_format_sync(struct burn_drive *d, off_t size, int flag)
d->progress.start_sector = 0;
d->progress.sectors = 0x10000;
d->progress.sector = 0;
stages = 1 + ((flag & 1) && size > 1024 * 1024);
d->cancel = 0;
d->busy = BURN_DRIVE_FORMATTING;
ret = d->format_unit(d, size, flag & 0xff96); /* forward bits */
if (ret <= 0)
d->cancel = 1;
while (!d->test_unit_ready(d) && d->get_erase_progress(d) == 0)
sleep(1);
@ -574,6 +566,44 @@ ex:;
d->buffer = NULL;
}
/* ts A70112 API */
int burn_disc_get_formats(struct burn_drive *d, int *status, off_t *size,
unsigned *bl_sas, int *num_formats)
{
int ret;
*status = 0;
*size = 0;
*bl_sas = 0;
*num_formats = 0;
ret = d->read_format_capacities(d, 0x00);
if (ret <= 0)
return 0;
*status = d->format_descr_type;
*size = d->format_curr_max_size;
*bl_sas = d->format_curr_blsas;
*num_formats = d->num_format_descr;
return 1;
}
/* ts A70112 API */
int burn_disc_get_format_descr(struct burn_drive *d, int index,
int *type, off_t *size, unsigned *tdp)
{
*type = 0;
*size = 0;
*tdp = 0;
if (index < 0 || index >= d->num_format_descr)
return 0;
*type = d->format_descriptors[index].type;
*size = d->format_descriptors[index].size;
*tdp = d->format_descriptors[index].tdp;
return 1;
}
enum burn_disc_status burn_disc_get_status(struct burn_drive *d)
{
/* ts A61007 */

70
libburn/libburn.h
View File

@ -785,7 +785,7 @@ int burn_disc_track_lba_nwa(struct burn_drive *d, struct burn_write_opts *o,
/** Tells the MMC Profile identifier of the loaded media. The drive must be
grabbed in order to get a non-zero result.
libburn currently writes only to profiles 0x09 "CD-R", 0x0a "CD-RW",
0x13 "DVD-RW restricted overwrite" or 0x1a "DVD+RW".
0x12 "DVD-RAM", 0x13 "DVD-RW restricted overwrite" or 0x1a "DVD+RW".
@param d The drive where the media is inserted.
@param pno Profile Number as of mmc5r03c.pdf, table 89
@param name Profile Name (e.g "CD-RW", unknown profiles have empty name)
@ -842,10 +842,11 @@ void burn_read_opts_free(struct burn_read_opts *opts);
void burn_disc_erase(struct burn_drive *drive, int fast);
/* ts A70101 - A70106 */
/** Format media for use with libburn. This currently applies only to DVD-RW
/* ts A70101 - A70112 */
/** Format media for use with libburn. This currently applies to DVD-RW
in state "Sequential Recording" (profile 0014h) which get formatted to
state "Restricted Overwrite" (profile 0013h).
state "Restricted Overwrite" (profile 0013h). DVD+RW can be "de-iced"
by setting bit2 of flag. Other media cannot be formatted yet.
@param drive The drive with the disc to format.
@param size The size in bytes to be used with the format command. It should
be divisible by 32*1024. The effect of this parameter may
@ -857,10 +858,61 @@ void burn_disc_erase(struct burn_drive *drive, int fast);
bit2= format to maximum available size
bit3= -reserved-
bit4= enforce re-format of (partly) formatted media
bit7= MMC expert application mode (else libburn tries to
choose a suitable format type):
bit8 to bit15 contain the index of the format to use. See
burn_disc_get_formats(), burn_disc_get_format_descr().
Acceptable types are: 0x00, 0x10, 0x11, 0x13, 0x15, 0x26.
If bit7 is set, bit4 is set automatically.
*/
void burn_disc_format(struct burn_drive *drive, off_t size, int flag);
/* ts A70112 */
/** Possible formatting status values */
#define BURN_FORMAT_IS_UNFORMATTED 1
#define BURN_FORMAT_IS_FORMATTED 2
#define BURN_FORMAT_IS_UNKNOWN 3
/** Inquire the formatting status, the associated sizes and the number of
available formats. The info is media specific and stems from MMC command
23h READ FORMAT CAPACITY. See mmc5r03c.pdf 6.24 for background details.
Media type can be determined via burn_disc_get_profile().
@param drive The drive with the disc to format.
@param status The current formatting status of the inserted media.
See BURN_FORMAT_IS_* macros. Note: "unknown" is the
legal status for quick formatted, yet unwritten DVD-RW.
@param size The size in bytes associated with status.
unformatted: the maximum achievable size of the media
formatted: the currently formatted capacity
unknown: maximum capacity of drive or of media
@param bl_sas Additional info "Block Length/Spare Area Size".
Expected to be constantly 2048 for non-BD media.
@param num_formats The number of available formats. To be used with
burn_disc_get_format_descr() to obtain such a format
and eventually with burn_disc_format() to select one.
@return 1 reply is valid , <=0 failure
*/
int burn_disc_get_formats(struct burn_drive *drive, int *status, off_t *size,
unsigned *bl_sas, int *num_formats);
/** Inquire parameters of an available media format.
@param drive The drive with the disc to format.
@param index The index of the format item. Beginning with 0 up to reply
parameter from burn_disc_get_formats() : num_formats - 1
@param type The format type. See mmc5r03c.pdf, 6.5, 04h FORMAT UNIT.
0x00=full, 0x10=CD-RW/DVD-RW full, 0x11=CD-RW/DVD-RW grow,
0x15=DVD-RW quick, 0x13=DVD-RW quick grow,
0x26=DVD+RW background
@param size The maximum size in bytes achievable with this format.
@param tdp Type Dependent Parameter. See mmc5r03c.pdf.
@return 1 reply is valid , <=0 failure
*/
int burn_disc_get_format_descr(struct burn_drive *drive, int index,
int *type, off_t *size, unsigned *tdp);
/* ts A61109 : this was and is defunct */
/** Read a disc from the drive and write it to an fd pair. The drive must be
grabbed successfully BEFORE calling this function. Always ensure that the
@ -1156,11 +1208,11 @@ 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 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, 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)
*/