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Ticket 91: update media state model after content change

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This commit is contained in:
Thomas Schmitt
2006-11-25 15:26:35 +00:00
parent 13214d9ac5
commit 56ab215db0
4 changed files with 74 additions and 69 deletions
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104
libburn/drive.c
View File

@ -135,33 +135,15 @@ unsigned int burn_drive_count(void)
return drivetop + 1;
}
int burn_drive_grab(struct burn_drive *d, int le)
{
int errcode;
int was_equal = 0, must_equal = 3, max_loop = 20;
/* ts A61125 : media status aspects of burn_drive_grab() */
int burn_drive_inquire_media(struct burn_drive *d)
{
/* ts A60907 */
int was_equal = 0, must_equal = 3, max_loop = 20;
int loop_count, old_speed = -1234567890, new_speed = -987654321;
int old_erasable = -1234567890, new_erasable = -987654321;
if (!d->released) {
burn_print(1, "can't grab - already grabbed\n");
return 0;
}
errcode = d->grab(d);
if (errcode == 0) {
burn_print(1, "low level drive grab failed\n");
return 0;
}
d->busy = BURN_DRIVE_GRABBING;
if (le)
d->load(d);
d->lock(d);
d->start_unit(d);
/* ts A61020 : this was BURN_DISC_BLANK as pure guess */
d->status = BURN_DISC_UNREADY;
@ -169,6 +151,7 @@ int burn_drive_grab(struct burn_drive *d, int le)
d->mdata->dvdr_write || d->mdata->dvdram_write) {
#ifdef Libburn_grab_release_and_grab_agaiN
/* This code demanded the app to release and re-grab. */
d->read_disc_info(d);
@ -178,8 +161,7 @@ int burn_drive_grab(struct burn_drive *d, int le)
without closing and re-opening the drive */
/* This seems to work for burn_disc_erasable() .
Speed values on RIP-14 and LITE-ON 48125S are stable
and false, nevertheless. So cdrskin -atip is still
forced to finish-initialize. */
and false, nevertheless. */
/*
fprintf(stderr,"libburn: experimental: read_disc_info()\n");
*/
@ -216,6 +198,38 @@ int burn_drive_grab(struct burn_drive *d, int le)
return 1;
}
int burn_drive_grab(struct burn_drive *d, int le)
{
int errcode;
/* ts A61125 */
int ret;
if (!d->released) {
burn_print(1, "can't grab - already grabbed\n");
return 0;
}
errcode = d->grab(d);
if (errcode == 0) {
burn_print(1, "low level drive grab failed\n");
return 0;
}
d->busy = BURN_DRIVE_GRABBING;
if (le)
d->load(d);
d->lock(d);
/* ts A61118 */
d->start_unit(d);
/* ts A61125 : outsourced media state inquiry aspects */
ret = burn_drive_inquire_media(d);
return ret;
}
struct burn_drive *burn_drive_register(struct burn_drive *d)
{
#ifdef Libburn_ticket_62_re_register_is_possiblE
@ -311,6 +325,26 @@ struct burn_drive *burn_drive_finish_enum(struct burn_drive *d)
}
/* ts A61125 : model aspects of burn_drive_release */
int burn_drive_mark_unready(struct burn_drive *d)
{
/* ts A61020 : mark media info as invalid */
d->start_lba= -2000000000;
d->end_lba= -2000000000;
d->status = BURN_DISC_UNREADY;
if (d->toc_entry != NULL)
free(d->toc_entry);
d->toc_entry = NULL;
d->toc_entries = 0;
if (d->disc != NULL) {
burn_disc_free(d->disc);
d->disc = NULL;
}
return 1;
}
void burn_drive_release(struct burn_drive *d, int le)
{
if (d->released) {
@ -334,26 +368,14 @@ void burn_drive_release(struct burn_drive *d, int le)
return;
}
/* ts A61020 : mark media info as invalid */
d->start_lba= -2000000000;
d->end_lba= -2000000000;
d->unlock(d);
if (le)
d->eject(d);
d->release(d);
d->status = BURN_DISC_UNREADY;
d->released = 1;
if (d->toc_entry != NULL)
free(d->toc_entry);
d->toc_entry = NULL;
d->toc_entries = 0;
if (d->disc != NULL) {
burn_disc_free(d->disc);
d->disc = NULL;
}
/* ts A61125 : outsourced model aspects */
burn_drive_mark_unready(d);
}
@ -435,6 +457,10 @@ void burn_disc_erase_sync(struct burn_drive *d, int fast)
sleep(1);
d->progress.sector = 0x10000;
d->busy = BURN_DRIVE_IDLE;
/* ts A61125 : update media state records */
burn_drive_mark_unready(d);
burn_drive_inquire_media(d);
}
enum burn_disc_status burn_disc_get_status(struct burn_drive *d)

5
libburn/drive.h
View File

@ -69,5 +69,10 @@ int burn_setup_drive(struct burn_drive *d, char *fname);
*/
struct burn_drive *burn_drive_finish_enum(struct burn_drive *d);
/* ts A61125 : media status aspects of burn_drive_grab() */
int burn_drive_inquire_media(struct burn_drive *d);
/* ts A61125 : model aspects of burn_drive_release */
int burn_drive_mark_unready(struct burn_drive *d);
#endif /* __DRIVE */

4
libburn/write.c
View File

@ -923,6 +923,10 @@ return crap. so we send the command, then ignore the result.
burn_print(1, "done\n");
d->busy = BURN_DRIVE_IDLE;
/* ts A61125 : update media state records */
burn_drive_mark_unready(d);
burn_drive_inquire_media(d);
/* ts A61012 : This return was traditionally missing. I suspect this
to have caused Cdrskin_eject() failures */
return;