libburnia/legacy
2
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Load array of format capacities into struct burn_drive

Browse Source
This commit is contained in:
Thomas Schmitt 2007-01-13 21:16:04 +00:00
parent d3d0897dbe
commit 8b927c3cd5
3 changed files with 93 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libburn/trunk/cdrskin/cdrskin_timestamp.h
View File

@ -1 +1 @@
#define Cdrskin_timestamP "2007.01.13.140812"
#define Cdrskin_timestamP "2007.01.13.211425"

86
libburn/trunk/libburn/mmc.c
View File

@ -1135,6 +1135,7 @@ int mmc_read_format_capacities(struct burn_drive *d, int top_wanted)
d->format_descr_type = 3;
d->format_curr_max_size = 0;
d->format_curr_blsas = 0;
d->best_format_type = -1;
d->best_format_size = 0;
@ -1162,6 +1163,7 @@ int mmc_read_format_capacities(struct burn_drive *d, int top_wanted)
d->format_descr_type = dpt[4] & 3;
d->format_curr_max_size = (((off_t) dpt[0]) << 24)
+ (dpt[1] << 16) + (dpt[2] << 8) + dpt[3];
d->format_curr_blsas = (dpt[5] << 16) + (dpt[6] << 8) + dpt[7];
sprintf(msg,
"Current/Maximum Capacity Descriptor : type = %d : %.f",
@ -1183,9 +1185,17 @@ int mmc_read_format_capacities(struct burn_drive *d, int top_wanted)
+ (dpt[1] << 16) + (dpt[2] << 8) + dpt[3];
size *= (off_t) 2048;
type = dpt[4] >> 2;
if (i < 32) {
d->format_descriptors[i].type = type;
d->format_descriptors[i].size = size;
d->format_descriptors[i].tdp =
(dpt[5] << 16) + (dpt[6] << 8) + dpt[7];
d->num_format_descr = i + 1;
}
sprintf(msg, "Capacity Descriptor %2.2Xh %.fs = %.1f MB",type,
(double) size / 2048 , (double) size / 1024 / 1024);
((double) size)/2048.0, ((double) size)/1024.0/1024.0);
libdax_msgs_submit(libdax_messenger, d->global_index,
0x00000002,
LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
@ -1281,22 +1291,20 @@ int mmc_read_buffer_capacity(struct burn_drive *d)
/* ts A61219 : learned much from dvd+rw-tools-7.0: plus_rw_format()
and mmc5r03c.pdf, 6.5 FORMAT UNIT */
/*
>>> A70103
>>> This will need an overhaul as soon as all technical questions around
>>> formatting are answered. Currently it is a very use case specific
>>> all-in-one automat.
@param size The size (in bytes) to be sent with the FORMAT comand
@param flag bit1= insist in size 0 even if there is a better default known
bit2= format to maximum available size
bit3= expand format up to at least size
bit4= enforce re-format of (partly) formatted media
bit7= bit8 to bit15 contain the index of the format to use
bit8-bit15 = see bit7
*/
int mmc_format_unit(struct burn_drive *d, off_t size, int flag)
{
struct buffer buf;
struct command c;
int ret, tolerate_failure = 0, return_immediately = 0, i, format_type;
int index;
off_t num_of_blocks = 0, diff;
char msg[160],descr[80];
int full_format_type = 0x00; /* Full Format (or 0x10 for DVD-RW ?) */
@ -1317,10 +1325,51 @@ int mmc_format_unit(struct burn_drive *d, off_t size, int flag)
num_of_blocks = size / 2048;
for (i = 0; i < 4; i++)
c.page->data[4 + i] = (num_of_blocks >> (24 - 8 * i)) & 0xff;
if (d->current_profile == 0x1a) { /* DVD+RW */
/* >>> use case: background formatting during write !(flag&4)
de-icing as explicit formatting action (flag&4)
*/
if (flag & 128) { /* explicitely chosen format descriptor */
/* use case: the app knows what to do */
ret = mmc_read_format_capacities(d, -1);
if (ret <= 0)
goto selected_not_suitable;
index = (flag >> 8) & 0xff;
if(index < 0 || index > d->num_format_descr) {
selected_not_suitable:;
libdax_msgs_submit(libdax_messenger, d->global_index,
0x00020132,
LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
"Selected format is not suitable for libburn",
0, 0);
return 0;
}
if (!(d->current_profile == 0x13 ||
d->current_profile == 0x14 ||
d->current_profile == 0x1a))
goto unsuitable_media;
format_type = d->format_descriptors[index].type;
if (!(format_type == 0x00 || format_type == 0x10 ||
format_type == 0x11 || format_type == 0x13 ||
format_type == 0x15 || format_type == 0x26))
goto selected_not_suitable;
if (flag & 4) {
num_of_blocks =
d->format_descriptors[index].size / 2048;
for (i = 0; i < 4; i++)
c.page->data[4 + i] =
(num_of_blocks >> (24 - 8 * i)) & 0xff;
}
if (format_type != 0x26)
for (i = 0; i < 3; i++)
c.page->data[9 + i] =
( d->format_descriptors[index].tdp >>
(16 - 8 * i)) & 0xff;
sprintf(descr, "%s (bit7)", d->current_profile_text);
return_immediately = 1; /* caller must do the waiting */
} else if (d->current_profile == 0x1a) { /* DVD+RW */
/* use case: background formatting during write !(flag&4)
de-icing as explicit formatting action (flag&4)
*/
/* mmc5r03c.pdf , 6.5.4.2.14, DVD+RW Basic Format */
format_type = 0x26;
@ -1352,7 +1401,7 @@ int mmc_format_unit(struct burn_drive *d, off_t size, int flag)
} else if (d->current_profile == 0x13 && !(flag & 16)) {
/*DVD-RW restricted overwrite*/
/* >>> use case: quick grow formatting during write */
/* use case: quick grow formatting during write */
ret = mmc_read_format_capacities(d, 0x13);
if (ret > 0) {
@ -1392,14 +1441,13 @@ int mmc_format_unit(struct burn_drive *d, off_t size, int flag)
} else if (d->current_profile == 0x14 ||
(d->current_profile == 0x13 && (flag & 16))) {
/* DVD-RW sequential recording (or Overwrite for re-format) */
/* >>> use case : transition from Sequential to Overwrite
re-formatting of Overwrite media */
/* use case : transition from Sequential to Overwrite
re-formatting of Overwrite media */
/* To Restricted Overwrite */
/* 6.5.4.2.10 , 15h DVD-RW Quick */
/* c.page->data[4-7]==0 : 0 blocks */
/* or 6.5.4.2.1 Format Type = 00h (Full Format) */
/* or 6.5.4.2.5 Format Type = 10h (DVD-RW Full Format) */
/* 6.5.4.2.10 Format Type = 15h (DVD-RW Quick) */
/* or 6.5.4.2.1 Format Type = 00h (Full Format) */
/* or 6.5.4.2.5 Format Type = 10h (DVD-RW Full Format) */
mmc_read_format_capacities(d,
(flag & 4) ? full_format_type : 0x15);
if (d->best_format_type == 0x15 ||
@ -1429,7 +1477,7 @@ int mmc_format_unit(struct burn_drive *d, off_t size, int flag)
} else {
/* >>> other formattable types to come */
unsuitable_media:;
sprintf(msg, "Unsuitable media detected. Profile %4.4Xh %s",
d->current_profile, d->current_profile_text);
libdax_msgs_submit(libdax_messenger, d->global_index,
@ -1607,6 +1655,7 @@ int mmc_setup_drive(struct burn_drive *d)
d->close_track_session = mmc_close;
d->read_buffer_capacity = mmc_read_buffer_capacity;
d->format_unit = mmc_format_unit;
d->read_format_capacities = mmc_read_format_capacities;
/* ts A61020 */
d->start_lba = -2000000000;
@ -1619,6 +1668,7 @@ int mmc_setup_drive(struct burn_drive *d)
d->current_is_cd_profile = 0;
d->current_is_supported_profile = 0;
d->bg_format_status = -1;
d->num_format_descr = 0;
return 1;
}

24
libburn/trunk/libburn/transport.h
View File

@ -103,6 +103,20 @@ struct scsi_mode_data
};
/* ts A70112 : represents a single Formattable Capacity Descriptor as of
mmc5r03c.pdf 6.24.3.3 . There can at most be 32 of them. */
struct burn_format_descr {
/* format type: e.g 0x00 is "Full", 0x15 is "Quick" */
int type;
/* the size in bytes derived from Number of Blocks */
off_t size;
/* the Type Dependent Parameter (usually the write alignment size) */
unsigned tdp;
};
#define LIBBURN_SG_MAX_SIBLINGS 16
/** Gets initialized in enumerate_common() and burn_drive_register() */
@ -144,9 +158,15 @@ struct burn_drive
/* ts A70108 from 23h READ FORMAT CAPACITY mmc5r03c.pdf 6.24 */
int format_descr_type; /* 1=unformatted, 2=formatted, 3=unclear */
off_t format_curr_max_size; /* meaning depends on format_descr_type */
unsigned format_curr_blsas; /* meaning depends on format_descr_type */
int best_format_type;
off_t best_format_size;
/* The complete list of format descriptors as read with 23h */
int num_format_descr;
struct burn_format_descr format_descriptors[32];
volatile int released;
/* ts A61106 */
@ -231,6 +251,10 @@ struct burn_drive
/* ts A61220 : format media (e.g. DVD+RW) */
int (*format_unit) (struct burn_drive *d, off_t size, int flag);
/* ts A70108 */
/* mmc5r03c.pdf 6.24 : get list of available formats */
int (*read_format_capacities) (struct burn_drive *d, int top_wanted);
};
/* end of generic 'drive' data structures */