DVD speed setting via B6h SET STREAMING, DVD+RW now enabled in vanilla build

ZeroThreeEight
Thomas Schmitt 16 years ago
parent 1f3c3fe622
commit ce27ad5159
  1. 2
      cdrskin/cdrskin_timestamp.h
  2. 1
      libburn/libdax_msgs.h
  3. 114
      libburn/mmc.c

@ -1 +1 @@
#define Cdrskin_timestamP "2006.12.21.122533"
#define Cdrskin_timestamP "2006.12.21.200556"

@ -341,6 +341,7 @@ Range "scdbackup" : 0x00020000 to 0x0002ffff
0x00020121 (FATAL,HIGH) = Write preparation setup failed
0x00020122 (FATAL,HIGH) = SCSI error on format_unit
0x00020123 (SORRY,HIGH) = DVD Media are unsuitable for desired track type
0x00020124 (SORRY,HIGH) = SCSI error on set_streaming
libdax_audioxtr:
0x00020200 (SORRY,HIGH) = Cannot open audio source file

@ -34,12 +34,9 @@
extern struct libdax_msgs *libdax_messenger;
/* ts A61219 : ! HIGHLY EXPERIMENTAL !
Based on knowlege from dvd+rw-tools-7.0 and mmc5r03c.pdf
*/
/*
/* ts A61219 : Based on knowlege from dvd+rw-tools-7.0 and mmc5r03c.pdf */
#define Libburn_support_dvd_plus_rW 1
*/
/* Progress report (with Libburn_support_dvd_plus_rW defined):
ts A61219 : It seems to work with a used (i.e. thoroughly formatted) DVD+RW.
Error messages of class DEBUG appear because of inability to
@ -47,8 +44,17 @@ extern struct libdax_msgs *libdax_messenger;
ts A61220 : Burned to a virgin DVD+RW by help of new mmc_format_unit()
(did not test wether it would work without). Burned to a
not completely formatted DVD+RW. (Had worked before without
mmc_format_unit(). I did not exceed the formatted range
as reported by dvd+rw-mediainfo.
mmc_format_unit() but i did not exceed the formatted range
as reported by dvd+rw-mediainfo.)
ts A61221 : Speed setting now works for both of my drives. The according
functions in dvd+rw-tools are a bit intimidating to the reader.
I hope it is possible to leave much of this to the drive.
And if it fails ... well, it's only speed setting. :))
Todo:
Determine media capacity.
Determine drive+media speed options.
Determine first free lba for appending data.
Determine start lba of most recent mkisofs session.
*/
@ -77,11 +83,17 @@ static unsigned char MMC_SEND_CUE_SHEET[] =
{ 0x5D, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
/* ts A61023 : get size and free space of drive buffer */
static unsigned char MMC_READ_BUFFER_CAPACITY[] = { 0x5C, 0, 0, 0, 0, 0, 0, 16, 0, 0 };
static unsigned char MMC_READ_BUFFER_CAPACITY[] =
{ 0x5C, 0, 0, 0, 0, 0, 0, 16, 0, 0 };
/* ts A61219 : format DVD+RW (and various others) */
static unsigned char MMC_FORMAT_UNIT[] = { 0x04, 0x11, 0, 0, 0, 0 };
/* ts A61221 :
To set speed for DVD media (0xBB is for CD but works on my LG GSA drive) */
static unsigned char MMC_SET_STREAMING[] =
{ 0xB6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
static int mmc_function_spy_do_tell = 0;
@ -854,9 +866,94 @@ void mmc_perform_opc(struct burn_drive *d)
d->issue_command(d, &c);
}
/* ts A61221 : Learned much from dvd+rw-tools-7.0 set_speed_B6h() but then
made own experiments on base of mmc5r03c.pdf 6.8.3 and 6.39 in the hope
to achieve a leaner solution */
int mmc_set_streaming(struct burn_drive *d, int r_speed, int w_speed)
{
struct buffer buf;
struct command c;
int b, end_lba;
char msg[160];
unsigned char *pd;
mmc_function_spy("mmc_format_unit");
if (r_speed <= 0)
r_speed = 0x10000000; /* ~ 2 TB/s */
if (w_speed <= 0)
w_speed = 0x10000000; /* ~ 2 TB/s */
c.retry = 1;
c.oplen = sizeof(MMC_SET_STREAMING);
memcpy(c.opcode, MMC_SET_STREAMING, sizeof(MMC_SET_STREAMING));
c.page = &buf;
c.page->bytes = 28;
c.opcode[9] = (c.page->bytes >> 8) & 0xff;
c.opcode[10] = c.page->bytes & 0xff;
c.page->sectors = 0;
c.dir = TO_DRIVE;
memset(c.page->data, 0, c.page->bytes);
pd = c.page->data;
/* Trying to avoid inquiry of available speed descriptors but rather
to allow the drive to use the liberties of Exact==0.
*/
pd[0] = 0; /* WRC=0 (Default Rotation Control), RDD=Exact=RA=0 */
/* >>> This is computed from 4.7e9. Need to obtain media capacity.*/
end_lba = 2294921 - 1;
/* overstatement (gross or not) works for my NEC, but not for my LG */
/* end_lba = 0x10000000; / * ~ 2 TB */
/* start_lba is 0 , 1000 = 1 second as base time for data rate */
for (b = 0; b < 4 ; b++) {
pd[8+b] = (end_lba >> (24 - 8 * b)) & 0xff;
pd[12+b] = (r_speed >> (24 - 8 * b)) & 0xff;
pd[16+b] = (1000 >> (24 - 8 * b)) & 0xff;
pd[20+b] = (w_speed >> (24 - 8 * b)) & 0xff;
pd[24+b] = (1000 >> (24 - 8 * b)) & 0xff;
}
/* <<<
fprintf(stderr,"LIBBURN_EXPERIMENTAL : B6h Performance descriptor:\n");
for (b = 0; b < 28 ; b++)
fprintf(stderr, "%2.2X%c", pd[b], ((b+1)%4 ? ' ' : '\n'));
*/
d->issue_command(d, &c);
if (c.error) {
if (c.sense[2]!=0 && !d->silent_on_scsi_error) {
sprintf(msg,
"SCSI error on set_streaming(%d): key=%X asc=%2.2Xh ascq=%2.2Xh",
w_speed,
c.sense[2],c.sense[12],c.sense[13]);
libdax_msgs_submit(libdax_messenger,
d->global_index,
0x00020124,
LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
msg, 0, 0);
}
return 0;
}
return 1;
}
void mmc_set_speed(struct burn_drive *d, int r, int w)
{
struct command c;
int ret;
mmc_function_spy("mmc_set_speed");
/* ts A61221 : try to set DVD speed via command B6h */
if (strstr(d->current_profile_text, "DVD") == d->current_profile_text){
ret = mmc_set_streaming(d, r, w);
if (ret != 0)
return; /* success or really fatal failure */
}
/* ts A61112 : MMC standards prescribe FFFFh as max speed.
But libburn.h prescribes 0. */
@ -865,7 +962,6 @@ void mmc_set_speed(struct burn_drive *d, int r, int w)
if (w<=0 || w>0xffff)
w = 0xffff;
mmc_function_spy("mmc_set_speed");
memcpy(c.opcode, MMC_SET_SPEED, sizeof(MMC_SET_SPEED));
c.retry = 1;
c.oplen = sizeof(MMC_SET_SPEED);

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