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Option -force enables re-formatting

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This commit is contained in:
Thomas Schmitt
2007-01-10 15:26:30 +00:00
parent 7bf228954c
commit 27262bde51
6 changed files with 67 additions and 29 deletions
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50
libburn/mmc.c
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@ -1177,11 +1177,14 @@ int mmc_read_format_capacities(struct burn_drive *d, int top_wanted)
LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_ZERO,
msg, 0, 0);
if (type == 0x10) { /* full format */
/* Scoring strives for quick intermediate state */
if (type == 0x00) { /* full format (with lead out) */
score = 1;
} else if(type == 0x13) {
} else if (type == 0x10) { /* DVD-RW full format */
score = 10;
} else if(type == 0x13) { /* DVD-RW quick grow last session */
score = 100;
} else if(type == 0x15) {
} else if(type == 0x15) { /* DVD-RW Quick */
score = 50;
} else {
continue;
@ -1273,12 +1276,20 @@ int mmc_read_buffer_capacity(struct burn_drive *d)
@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
*/
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;
#ifdef Not_yeT
int full_format_type = 0x00; /* Full Format (or 0x10 for DVD-RW ?) */
#else
int full_format_type = 0x10;
#endif
off_t num_of_blocks = 0, diff;
char msg[160],descr[80];
@ -1293,8 +1304,8 @@ int mmc_format_unit(struct burn_drive *d, off_t size, int flag)
memset(c.page->data, 0, c.page->bytes);
descr[0] = 0;
c.page->data[1] = 0x02; /* Immed */
c.page->data[3] = 8; /* Format descriptor length */
c.page->data[1] = 0x02; /* Immed */
c.page->data[3] = 8; /* Format descriptor length */
num_of_blocks = size / 2048;
for (i = 0; i < 4; i++)
c.page->data[4 + i] = (num_of_blocks >> (24 - 8 * i)) & 0xff;
@ -1308,18 +1319,21 @@ int mmc_format_unit(struct burn_drive *d, off_t size, int flag)
/* maximum capacity */
memset(c.page->data + 4, 0xff, 4);
if (d->bg_format_status == 1) /* is partly formatted */
c.page->data[11] = 1; /* Restart bit */
else if(d->bg_format_status == 2) { /* format in progress */
if(d->bg_format_status == 2) { /* format in progress */
strcpy(msg,"FORMAT UNIT ignored. Already in progress");
libdax_msgs_submit(libdax_messenger, d->global_index,
0x00020120,
LIBDAX_MSGS_SEV_NOTE, LIBDAX_MSGS_PRIO_HIGH,
msg, 0,0);
return 2;
}
if (!(flag & 16)) /* if not re-format is desired */
if (d->bg_format_status == 1) /* is partly formatted */
c.page->data[11] = 1; /* Restart bit */
sprintf(descr, "DVD+RW, BGFS %d", d->bg_format_status);
} else if (d->current_profile == 0x13) {/*DVD-RW restricted overwrite*/
} else if (d->current_profile == 0x13 && !(flag & 16)) {
/*DVD-RW restricted overwrite*/
/* >>> use case: quick grow formatting during write */
ret = mmc_read_format_capacities(d, 0x13);
@ -1357,17 +1371,23 @@ int mmc_format_unit(struct burn_drive *d, off_t size, int flag)
c.page->data[11] = 16; /* block size * 2k */
sprintf(descr, "DVD-RW, quick grow");
} else if (d->current_profile == 0x14) {/*DVD-RW sequential recording*/
/* >>> use case : transition from Sequential to Overwrite */
} 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 */
/* To Restricted Overwrite */
/* 6.5.4.2.10 , 15h DVD-RW Quick */
/* c.page->data[4-7]==0 : 0 blocks */
/* or 6.5.4.2.5 Format Type = 10h (Full Format) */
mmc_read_format_capacities(d, (flag & 4) ? 0x10 : 0x15);
/* 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 ||
d->best_format_type == 0x10) {
if ((flag & 4) || d->best_format_type == 0x10) {
d->best_format_type == full_format_type) {
if ((flag & 4)
|| d->best_format_type == full_format_type) {
num_of_blocks = d->best_format_size / 2048;
for (i = 0; i < 4; i++)
c.page->data[4 + i] =