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Mew API function burn_disc_available_space()

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This commit is contained in:
Thomas Schmitt 2007-02-13 14:37:25 +00:00
parent ba702bc9a8
commit 4903bb9971
6 changed files with 107 additions and 62 deletions
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2
cdrskin/cdrskin_timestamp.h
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@ -1 +1 @@
#define Cdrskin_timestamP "2007.02.13.115459"
#define Cdrskin_timestamP "2007.02.13.143718"

19
libburn/drive.c
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@ -1402,7 +1402,7 @@ int burn_disc_track_lba_nwa(struct burn_drive *d, struct burn_write_opts *o,
0, 0);
return -1;
}
if (o!=NULL)
if (o != NULL)
d->send_write_parameters(d, o);
ret = d->get_nwa(d, trackno, lba, nwa);
return ret;
@ -1435,6 +1435,23 @@ int burn_disc_get_msc1(struct burn_drive *d, int *start)
}
/* ts A70213 : new API function */
off_t burn_disc_available_space(struct burn_drive *d,
struct burn_write_opts *o)
{
int lba, nwa;
if (burn_drive_is_released(d))
return d->media_capacity_remaining;
if (d->busy != BURN_DRIVE_IDLE)
return d->media_capacity_remaining;
if (o != NULL)
d->send_write_parameters(d, o);
d->get_nwa(d, -1, &lba, &nwa);
return d->media_capacity_remaining;
}
/* ts A61202 : New API function */
int burn_disc_get_profile(struct burn_drive *d, int *pno, char name[80])
{

18
libburn/libburn.h
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@ -838,11 +838,27 @@ int burn_disc_track_lba_nwa(struct burn_drive *d, struct burn_write_opts *o,
*/
int burn_disc_get_msc1(struct burn_drive *d, int *start_lba);
/* ts A70213 */
/** Return the best possible estimation of the currently available capacity of
the media. This might depend on particular write option settings. For
inquiring the space with such a set of options, the drive has to be
grabbed and BURN_DRIVE_IDLE. If not, then one will only get a canned value
from the most recent automatic inquiry (e.g. during last drive grabbing).
@param d The drive to query.
@param o If not NULL: write parameters to be set on drive before query
@return number of most probably available free bytes
*/
off_t burn_disc_available_space(struct burn_drive *d,
struct burn_write_opts *o);
/* ts A61202 */
/** 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",
0x12 "DVD-RAM", 0x13 "DVD-RW restricted overwrite" or 0x1a "DVD+RW".
0x11 "DVD-R", 0x12 "DVD-RAM", 0x13 "DVD-RW restricted overwrite",
0x14 "DVD-RW Sequential Recording" 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)

102
libburn/mmc.c
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@ -251,8 +251,10 @@ int mmc_read_track_info(struct burn_drive *d, int trackno, struct buffer *buf)
d->current_profile == 0x12 )
/* DVD+RW , DVD-RW restricted overwrite , DVD-RAM */
trackno = 1;
else if (d->current_profile == 0x11 ||
d->current_profile == 0x14) /* DVD-R[W] Sequential */
else if (d->current_profile == 0x10 ||
d->current_profile == 0x11 ||
d->current_profile == 0x14)
/* DVD-ROM , DVD-R[W] Sequential */
trackno = d->last_track_no;
else /* mmc5r03c.pdf: valid only for CD, DVD+R, DVD+R DL */
trackno = 0xFF;
@ -275,13 +277,7 @@ int mmc_read_track_info(struct burn_drive *d, int trackno, struct buffer *buf)
int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
{
struct buffer buf;
int ret;
#ifdef Libburn_get_nwa_standalonE
struct command c;
int i;
#endif
int ret, num;
unsigned char *data;
mmc_function_spy("mmc_get_nwa");
@ -290,43 +286,27 @@ int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
d->current_profile == 0x12 )
/* DVD+RW , DVD-RW restricted overwrite , DVD-RAM */
trackno = 1;
else if (d->current_profile == 0x11 ||
d->current_profile == 0x14) /* DVD-R[W] Sequential */
else if (d->current_profile == 0x10 ||
d->current_profile == 0x11 ||
d->current_profile == 0x14)
/* DVD-ROM, DVD-R[W] Sequential */
trackno = d->last_track_no;
else /* mmc5r03c.pdf: valid only for CD, DVD+R, DVD+R DL */
trackno = 0xFF;
}
#ifdef Libburn_get_nwa_standalonE
c.retry = 1;
c.oplen = sizeof(MMC_TRACK_INFO);
memcpy(c.opcode, MMC_TRACK_INFO, sizeof(MMC_TRACK_INFO));
c.opcode[1] = 1;
for (i = 0; i < 4; i++)
c.opcode[2 + i] = (trackno >> (24 - 8 * i)) & 0xff;
c.page = &buf;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
data = c.page->data;
#else /* Libburn_get_nwa_standalonE */
ret = mmc_read_track_info(d, trackno, &buf);
if (ret <= 0)
return ret;
data = buf.data;
#endif /* ! Libburn_get_nwa_standalonE */
*lba = (data[8] << 24) + (data[9] << 16)
+ (data[10] << 8) + data[11];
*nwa = (data[12] << 24) + (data[13] << 16)
+ (data[14] << 8) + data[15];
if (d->current_profile == 0x1a || d->current_profile == 0x13) {
/* DVD+RW or DVD-RW restricted overwrite */
*lba = *nwa = 0;
*lba = mmc_four_char_to_int(data + 8);
*nwa = mmc_four_char_to_int(data + 12);
num = mmc_four_char_to_int(data + 16);
if (d->current_profile == 0x1a || d->current_profile == 0x13 ||
d->current_profile == 0x12) {
/* overwriteable */
*lba = *nwa = num = 0;
} else if (!(data[7]&1)) {
/* ts A61106 : MMC-1 Table 142 : NWA_V = NWA Valid Flag */
libdax_msgs_submit(libdax_messenger, -1, 0x00000002,
@ -334,6 +314,8 @@ int mmc_get_nwa(struct burn_drive *d, int trackno, int *lba, int *nwa)
"mmc_get_nwa: Track Info Block: NWA_V == 0", 0, 0);
return 0;
}
if (num > 0)
d->media_capacity_remaining = ((off_t) num) * ((off_t) 2048);
return 1;
}
@ -546,8 +528,7 @@ int mmc_fake_toc_entry(struct burn_toc_entry *entry, int session_number,
entry->tno = 0;
entry->point = track_number & 0xff;
entry->point_msb = (track_number >> 8) & 0xff;
num = (size_data[0] << 24) | (size_data[1] << 16) |
(size_data[2] << 8) | size_data[3];
num = mmc_four_char_to_int(size_data);
entry->track_blocks = num;
burn_lba_to_msf(num, &min, &sec, &frames);
if (min > 255) {
@ -559,8 +540,7 @@ int mmc_fake_toc_entry(struct burn_toc_entry *entry, int session_number,
entry->sec = sec;
entry->frame = frames;
entry->zero = 0;
num = (start_data[0] << 24) | (start_data[1] << 16) |
(start_data[2] << 8) | start_data[3];
num = mmc_four_char_to_int(start_data);
entry->start_lba = num;
burn_lba_to_msf(num, &min, &sec, &frames);
if (min > 255) {
@ -644,8 +624,15 @@ int mmc_fake_toc(struct burn_drive *d)
entry;
}
if (session_number > d->disc->sessions)
if (session_number > d->disc->sessions) {
if (i == d->last_track_no - 1) {
/* ts A70212 : Last track field Free Blocks */
d->media_capacity_remaining =
((off_t) mmc_four_char_to_int(tdata + 16)) *
((off_t) 2048);
}
continue;
}
entry = &(d->toc_entry[i + session_number - 1]);
track = burn_track_create();
@ -924,6 +911,9 @@ void mmc_read_disc_info(struct burn_drive *d)
d->erasable = 0;
d->last_track_no = 1;
/* ts A70212 */
d->media_capacity_remaining = 0;
/* ts A61202 */
d->toc_entries = 0;
if (d->status == BURN_DISC_EMPTY)
@ -1006,6 +996,15 @@ void mmc_read_disc_info(struct burn_drive *d)
*/
d->bg_format_status = data[7] & 3;
/* Preliminarily declare blank:
ts A61219 : DVD+RW (is not bg_format_status==0 "blank")
ts A61229 : same for DVD-RW Restricted overwrite
ts A70112 : same for DVD-RAM
*/
if (d->current_profile == 0x1a || d->current_profile == 0x13 ||
d->current_profile == 0x12)
d->status = BURN_DISC_BLANK;
if (d->status == BURN_DISC_BLANK) {
d->last_track_no = 1; /* The "incomplete track" */
d->complete_sessions = 0;
@ -1023,15 +1022,6 @@ void mmc_read_disc_info(struct burn_drive *d)
d->last_track_no = (data[11] << 8) | data[6];
}
/* Preliminarily declare blank:
ts A61219 : DVD+RW (is not bg_format_status==0 "blank")
ts A61229 : same for DVD-RW Restricted overwrite
ts A70112 : same for DVD-RAM
*/
if (d->current_profile == 0x1a || d->current_profile == 0x13 ||
d->current_profile == 0x12)
d->status = BURN_DISC_BLANK;
if (do_read_toc)
mmc_read_toc(d);
}
@ -1503,10 +1493,7 @@ void mmc_get_configuration(struct burn_drive *d)
if (c.error)
return;
len = (c.page->data[0] << 24)
| (c.page->data[1] << 16)
| (c.page->data[2] << 8)
| c.page->data[3];
len = mmc_four_char_to_int(c.page->data);
if (len<8)
return;
@ -1743,14 +1730,20 @@ int mmc_read_format_capacities(struct burn_drive *d, int top_wanted)
/* Criterion is proximity to quick intermediate state */
if (type == 0x00) { /* full format (with lead out) */
score = 1 * sign;
if(d->current_profile == 0x12 &&
d->media_capacity_remaining == 0)
d->media_capacity_remaining = size;
} else if (type == 0x10) { /* DVD-RW full format */
score = 10 * sign;
} else if(type == 0x13) { /* DVD-RW quick grow last session */
score = 100 * sign;
} else if(type == 0x15) { /* DVD-RW Quick */
score = 50 * sign;
if(d->current_profile == 0x13)
d->media_capacity_remaining = size;
} else if(type == 0x26) { /* DVD+RW */
score = 1 * sign;
d->media_capacity_remaining = size;
} else {
continue;
}
@ -2226,6 +2219,7 @@ int mmc_setup_drive(struct burn_drive *d)
d->num_format_descr = 0;
d->complete_sessions = 0;
d->last_track_no = 1;
d->media_capacity_remaining = 0;
return 1;
}

22
libburn/spc.c
View File

@ -318,7 +318,7 @@ void spc_sense_write_params(struct burn_drive *d)
{
struct buffer buf;
struct scsi_mode_data *m;
int size;
int size, dummy;
unsigned char *page;
struct command c;
@ -343,6 +343,22 @@ void spc_sense_write_params(struct burn_drive *d)
m->write_page_length = page[1];
m->write_page_valid = 1;
mmc_read_disc_info(d);
/* ts A70212 : try to setup d->media_capacity_remaining */
if (d->current_profile == 0x1a || d->current_profile == 0x13 ||
d->current_profile == 0x12)
d->read_format_capacities(d, -1);
else if (d->status == BURN_DISC_BLANK ||
(d->current_is_cd_profile && d->status == BURN_DISC_APPENDABLE)) {
d->get_nwa(d, -1, &dummy, &dummy);
}
/* others are hopefully up to date from mmc_read_disc_info() */
/*
fprintf(stderr, "LIBBURN_DEBUG: media_capacity_remaining = %.f\n",
(double) d->media_capacity_remaining);
*/
}
@ -434,10 +450,6 @@ void spc_getcaps(struct burn_drive *d)
spc_inquiry(d);
spc_sense_caps(d);
spc_sense_error_params(d);
/* <<< for debugging. >>> ??? to be fixely included here ?
mmc_read_format_capacities(d, -1);
*/
}
/*

6
libburn/transport.h
View File

@ -206,6 +206,12 @@ struct burn_drive
/* ts A70129 :
from 51h READ DISC INFORMATION Last Track Number in Last Session */
int last_track_no;
/* ts A70212 : from various sources : free space on media (in bytes)
With CD this might change after particular write
parameters have been set and nwa has been inquired.
(e.g. by d->send_write_parameters() ; d->get_nwa()).
*/
off_t media_capacity_remaining;
int toc_temp;