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New API calls burn_get_media_product_id() and burn_guess_manufacturer()

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This commit is contained in:
Thomas Schmitt
2009-09-04 20:21:55 +00:00
parent 6642342274
commit 557299d350
7 changed files with 476 additions and 11 deletions
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284
libburn/mmc.c
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@ -9,6 +9,8 @@
#include <stdlib.h>
#include <sys/time.h>
#include <pthread.h>
#include <ctype.h>
#include "error.h"
#include "sector.h"
#include "libburn.h"
@ -214,6 +216,10 @@ static unsigned char MMC_READ_10[] =
static unsigned char MMC_READ_CAPACITY[] =
{ 0x25, 0, 0, 0, 0, 0, 0, 0, 0, 0};
/* ts A90903 : Obtain media type specific information. E.g. manufacturer.
*/
static unsigned char MMC_READ_DISC_STRUCTURE[] =
{ 0xAD, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
static int mmc_function_spy_do_tell = 0;
@ -3850,6 +3856,283 @@ int mmc_read_capacity(struct burn_drive *d)
}
/* ts A90903 */
/* mmc5r03c.pdf 6.23 ADh READ DISC STRUCTURE obtains media specific information
*/
static int mmc_read_disc_structure_al(struct burn_drive *d, int *alloc_len,
int media_type, int layer_number, int format,
int min_len, char **reply, int *reply_len,
int flag)
{
struct buffer buf;
int old_alloc_len, len;
struct command c;
unsigned char *dpt;
*reply = NULL;
*reply_len = 0;
if (*alloc_len < 4)
return 0;
scsi_init_command(&c, MMC_READ_DISC_STRUCTURE,
sizeof(MMC_READ_DISC_STRUCTURE));
c.dxfer_len = *alloc_len;
c.retry = 1;
c.opcode[1]= media_type;
c.opcode[7]= format;
c.opcode[8]= (c.dxfer_len >> 8) & 0xff;
c.opcode[9]= c.dxfer_len & 0xff;
c.page = &buf;
c.page->sectors = 0;
c.page->bytes = 0;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
if (c.error)
return 0;
len = (c.page->data[0] << 8) | (c.page->data[1]);
old_alloc_len = *alloc_len;
*alloc_len = len + 2;
if (old_alloc_len <= 4)
return 1;
if (len + 2 > old_alloc_len)
len = old_alloc_len - 2;
if (len < 4)
return 0;
dpt = c.page->data + 4;
if (len - 2 < min_len)
return 0;
*reply = calloc(len - 2, 1);
if (*reply == NULL)
return 0;
*reply_len = len - 2;
memcpy(*reply, dpt, len - 2);
return 1;
}
int mmc_read_disc_structure(struct burn_drive *d,
int media_type, int layer_number, int format, int min_len,
char **reply, int *reply_len, int flag)
{
int alloc_len = 4, ret;
if (mmc_function_spy(d, "mmc_read_disc_structure") <= 0)
return 0;
ret = mmc_read_disc_structure_al(d, &alloc_len,
media_type, layer_number, format, min_len,
reply, reply_len, 0);
/*
fprintf(stderr,"LIBBURN_DEBUG: ADh alloc_len = %d , ret = %d\n",
alloc_len, ret);
*/
if (alloc_len >= 12 && ret > 0)
ret = mmc_read_disc_structure_al(d, &alloc_len,
media_type, layer_number, format, min_len,
reply, reply_len, 0);
return ret;
}
/* ts A90903 */
static int mmc_set_product_id(char *reply,
int manuf_idx, int type_idx, int rev_idx,
char **product_id, char **media_code1, char **media_code2, int flag)
{
*product_id = calloc(17, 1);
*media_code1 = calloc(9, 1);
*media_code2 = calloc(8, 1);
if (*product_id == NULL ||
*media_code1 == NULL || *media_code2 == NULL)
return -1;
sprintf(*media_code1, "%.8s", reply + manuf_idx);
sprintf(*media_code2, "%.3s/%d", reply + type_idx,
(int) ((unsigned char *) reply)[rev_idx]);
sprintf(*product_id, "%s/%s", *media_code1, *media_code2);
return 1;
}
/* ts A90903 */
/* MMC backend of API call burn_get_media_product_id()
See also doc/mediainfo.txt
@param flag Bitfield for control purposes
*/
int mmc_get_media_product_id(struct burn_drive *d,
char **product_id, char **media_code1, char **media_code2,
char **book_type, int flag)
{
int prf, ret, reply_len, i, has_11h = -1, bt, start_lba, end_lba;
int min, sec, fr, media_type = 0;
char *reply = NULL, *wpt;
static char *books[16] = {
"DVD-ROM", "DVD-RAM", "DVD-R", "DVD-RW",
"HD DVD-ROM", "HD DVD-RAM", "HD DVD-R", "unknown",
"unknown", "DVD+RW", "DVD+R", "unknown",
"unknown", "DVD+RW DL" "DVD+R DL", "unknown"};
*product_id = *media_code1 = *media_code2 = *book_type = NULL;
prf = d->current_profile;
if (prf == 0x09 || prf == 0x0A) {
*product_id = calloc(20, 1);
*media_code1 = calloc(10, 1);
*media_code2 = calloc(10, 1);
if (*product_id == NULL ||
*media_code1 == NULL || *media_code2 == NULL) {
ret = -1;
goto ex;
}
ret = burn_disc_read_atip(d);
if (ret <= 0)
goto ex;
ret = burn_drive_get_start_end_lba(d, &start_lba, &end_lba, 0);
if (ret <= 0)
goto ex;
burn_lba_to_msf(start_lba, &min, &sec, &fr);
sprintf(*media_code1, "%2.2dm%2.2ds%2.2df", min, sec, fr);
burn_lba_to_msf(end_lba, &min, &sec, &fr);
sprintf(*media_code2, "%2.2dm%2.2ds%2.2df", min, sec, fr);
sprintf(*product_id, "%s/%s", *media_code1, *media_code2);
ret = 1;
goto ex; /* No booktype with CD media */
} else if (prf == 0x11 || prf == 0x13 || prf == 0x14 || prf == 0x15) {
/* DVD-R */
ret = mmc_read_disc_structure(d, 0, 0, 0x0E, 31, &reply,
&reply_len, 0);
if (ret <= 0)
goto ex;
if (reply[16] != 3 || reply[24] != 4 ||
(reply_len > 38 && reply[32] != 5)) {
ret = 0;
goto ex;
}
*product_id = calloc(19, 1);
*media_code1 = calloc(19, 1);
*media_code2 = strdup("");
if (*product_id == NULL ||
*media_code1 == NULL || *media_code2 == NULL) {
ret = -1;
goto ex;
}
memcpy(*product_id, reply + 17, 6);
memcpy(*product_id + 6, reply + 25, 6);
if (reply_len > 38)
memcpy(*product_id + 12, reply + 33, 6);
/* Clean out 0 bytes */
wpt = *product_id;
for (i = 0; i < 18; i++)
if ((*product_id)[i])
*(wpt++) = (*product_id)[i];
*wpt = 0;
strcpy(*media_code1, *product_id);
} else if (prf == 0x1a || prf == 0x1b || prf == 0x2b) { /* DVD+R[W] */
/* Check whether the drive supports format 11h */
has_11h = 0;
ret = mmc_read_disc_structure(d, 0, 0, 4, 0xff, &reply,
&reply_len, 0);
if (ret > 0) {
for (i = 0; i < reply_len; i += 4) {
if (reply[i] == 0x11 && (reply[i + 1] & 64))
has_11h = 1;
}
}
if (reply != NULL)
free(reply);
reply = NULL;
ret = mmc_read_disc_structure(d, 0, 0, 0x11, 29, &reply,
&reply_len, 0);
if (ret <= 0) {
/* Hope for format 00h */
has_11h = 0;
} else {
/* Dig out manufacturer, media type and revision */
ret = mmc_set_product_id(reply, 19, 27, 28,
product_id, media_code1, media_code2, 0);
if (ret <= 0)
goto ex;
}
} else if (prf == 0x41 || prf == 0x43 || prf == 0x40 || prf == 0x42) {
/* BD */
media_type = 1;
ret = mmc_read_disc_structure(d, 1, 0, 0x00, 112, &reply,
&reply_len, 0);
if (ret <= 0)
goto ex;
if (reply[0] != 'D' || reply[1] != 'I') {
ret = 0;
goto ex;
}
/* Dig out manufacturer, media type and revision */
ret = mmc_set_product_id(reply, 100, 106, 111,
product_id, media_code1, media_code2, 0);
if (ret <= 0)
goto ex;
} else {
/* Source of DVD-RAM manufacturer and media id not found yet */
ret = 0;
goto ex;
}
if (reply != NULL)
free(reply);
reply = NULL;
ret = mmc_read_disc_structure(d, media_type, 0, 0x00, 1,
&reply, &reply_len, 0);
if (ret <= 0)
goto ex;
bt = (reply[0] >> 4) & 0xf;
*book_type = calloc(80 + strlen(books[bt]), 1);
if (*book_type == NULL) {
ret = -1;
goto ex;
}
sprintf(*book_type, "%2.2Xh, %s book [revision %d]",
bt, books[bt], reply[0] & 0xf);
if (has_11h == 0 && *product_id == NULL && reply_len > 28) {
/* DVD+ with no format 11h */
/* Get manufacturer and media type from bytes 19 and 27 */
ret = mmc_set_product_id(reply, 19, 27, 28, product_id,
media_code1, media_code2, 0);
if (*product_id == NULL) {
ret = 0;
goto ex;
}
}
ret = 1;
ex:;
if (reply != NULL)
free(reply);
if (ret <= 0) {
if (*product_id != NULL)
free(*product_id);
if (*media_code1 != NULL)
free(*media_code1);
if (*media_code2 != NULL)
free(*media_code2);
if (*book_type != NULL)
free(*book_type);
*product_id = *media_code1 = *media_code2 = *book_type = NULL;
} else if(*product_id != NULL) {
for (i = 0; (*product_id)[i]; i++)
if (isspace((*product_id)[i]))
(*product_id)[i] = '_';
}
return ret;
}
/* ts A61021 : the mmc specific part of sg.c:enumerate_common()
*/
int mmc_setup_drive(struct burn_drive *d)
@ -3924,4 +4207,3 @@ int mmc_setup_drive(struct burn_drive *d)
return 1;
}