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New API calls burn_drive_get_speedlist() , burn_drive_free_speedlist()

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This commit is contained in:
Thomas Schmitt
2006-12-26 17:07:53 +00:00
parent 95bebfb814
commit 85ffe77a32
7 changed files with 261 additions and 16 deletions
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117
libburn/drive.c
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@ -54,6 +54,7 @@ void burn_drive_free(struct burn_drive *d)
if (burn_drive_is_open(d))
d->release(d);
free((void *) d->idata);
burn_mdata_free_subs(d->mdata);
free((void *) d->mdata);
if(d->toc_entry != NULL)
free((void *) d->toc_entry);
@ -144,6 +145,9 @@ int burn_drive_inquire_media(struct burn_drive *d)
int loop_count, old_speed = -1234567890, new_speed = -987654321;
int old_erasable = -1234567890, new_erasable = -987654321;
/* ts A61225 : after loading the tray, mode page 2Ah can change */
d->getcaps(d);
/* ts A61020 : d->status was set to BURN_DISC_BLANK as pure guess */
if (d->mdata->cdr_write || d->mdata->cdrw_write ||
@ -152,6 +156,8 @@ int burn_drive_inquire_media(struct burn_drive *d)
#ifdef Libburn_grab_release_and_grab_agaiN
/* This code demanded the app to release and re-grab. */
/* ??? ts A61225 : is this safe now (after d->getcaps()) ? */
d->read_disc_info(d);
#else
@ -226,9 +232,6 @@ int burn_drive_grab(struct burn_drive *d, int le)
/* ts A61118 */
d->start_unit(d);
/* ts A61225 : after loading the tray, mode page 2Ah can change */
d->getcaps(d);
/* ts A61202 : gave bit1 of le a meaning */
sose = d->silent_on_scsi_error;
if (!le)
@ -1290,3 +1293,111 @@ int burn_drive_wrote_well(struct burn_drive *d)
return !d->cancel;
}
/* ts A61226 */
int burn_speed_descriptor_new(struct burn_speed_descriptor **s,
struct burn_speed_descriptor *prev,
struct burn_speed_descriptor *next, int flag)
{
struct burn_speed_descriptor *o;
(*s) = o = malloc(sizeof(struct burn_speed_descriptor));
if (o == NULL)
return -1;
o->source = 0;
o->profile_loaded = -2;
o->profile_name[0] = 0;
o->wrc = 0;
o->exact = 0;
o->mrw = 0;
o->end_lba = -1;
o->write_speed = 0;
o->read_speed = 0;
o->prev = prev;
if (prev != NULL) {
next = prev->next;
prev->next = o;
}
o->next = next;
if (next != NULL)
next->prev = o;
return 1;
}
/* ts A61226 */
/* @param flag bit0= destroy whole next-chain of descriptors */
int burn_speed_descriptor_destroy(struct burn_speed_descriptor **s, int flag)
{
struct burn_speed_descriptor *next, *o;
if ((*s) == NULL)
return 0;
if (flag&1)
for (o = (*s); o->prev != NULL; o = o->prev);
else
o = (*s);
next = o->next;
if (next != NULL)
next->prev = o->prev;
if (o->prev != NULL)
o->prev->next = next;
free((char *) (*s));
(*s) = NULL;
if (flag&1)
return burn_speed_descriptor_destroy(&next, flag&1);
return 1;
}
/* ts A61226 */
int burn_speed_descriptor_copy(struct burn_speed_descriptor *from,
struct burn_speed_descriptor *to, int flag)
{
to->source = from->source;
to->profile_loaded = from->profile_loaded;
strcpy(to->profile_name, from->profile_name);
to->wrc = from->wrc;
to->exact = from->exact;
to->mrw = from->mrw;
to->end_lba = from->end_lba;
to->write_speed = from->write_speed;
to->read_speed = from->read_speed;
return 1;
}
/* ts A61226 : free dynamically allocated sub data of struct scsi_mode_data */
int burn_mdata_free_subs(struct scsi_mode_data *m)
{
burn_speed_descriptor_destroy(&(m->speed_descriptors), 1);
return 1;
}
/* ts A61226 : API function */
int burn_drive_get_speedlist(struct burn_drive *d,
struct burn_speed_descriptor **speed_list)
{
int ret;
struct burn_speed_descriptor *sd, *csd = NULL;
(*speed_list) = NULL;
for (sd = d->mdata->speed_descriptors; sd != NULL; sd = sd->next) {
ret = burn_speed_descriptor_new(&csd, NULL, csd, 0);
if (ret <= 0)
return -1;
burn_speed_descriptor_copy(sd, csd, 0);
}
(*speed_list) = csd;
return (csd != NULL);
}
/* ts A61226 : API function */
int burn_drive_free_speedlist(struct burn_speed_descriptor **speed_list)
{
return burn_speed_descriptor_destroy(speed_list, 1);
}