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Registering all drive-media feature descriptors in burn_drive

1.3.6
Thomas Schmitt 7 years ago
parent
2aa10d1099
commit
658851a497
5 changed files with 120 additions and 3 deletions
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  1. 2
      cdrskin/cdrskin_timestamp.h
  2. 69
      libburn/drive.c
  3. 15
      libburn/drive.h
  4. 14
      libburn/mmc.c
  5. 23
      libburn/transport.h

2
cdrskin/cdrskin_timestamp.h
View File

@ -1 +1 @@
#define Cdrskin_timestamP "2013.12.12.140531"
#define Cdrskin_timestamP "2014.01.07.115938"

69
libburn/drive.c
View File

@ -80,6 +80,7 @@ int burn_setup_drive(struct burn_drive *d, char *fname)
d->do_stream_recording = 0;
d->stream_recording_start= 0;
d->role_5_nwa = 0;
d->features = NULL;
return 1;
}
@ -104,6 +105,7 @@ void burn_drive_free_subs(struct burn_drive *d)
if (d->stdio_fd >= 0)
close (d->stdio_fd);
d->stdio_fd = -1;
burn_feature_descr_free(&(d->features), 0);
sg_dispose_drive(d, 0);
}
@ -3430,3 +3432,70 @@ int burn_drive_was_feat21_failure(struct burn_drive *d)
}
/* ts B40106 */
int burn_feature_descr_new(struct burn_feature_descr **new,
unsigned char *descr, int descr_len, int flag)
{
struct burn_feature_descr *o;
*new = NULL;
if (descr_len < 4)
return 0;
(*new) = o = calloc(1, sizeof(struct burn_speed_descriptor));
if (o == NULL)
return -1;
o->feature_code = (descr[0] << 8) | descr[1];
o->flags = descr[2];
if (descr[3] > descr_len - 4)
o->data_lenght = 0;
else
o->data_lenght = descr[3];
o->data = NULL;
o->next = NULL;
if (o->data_lenght > 0) {
o->data = calloc(1, o->data_lenght);
if (o->data == NULL) {
burn_feature_descr_free(new, 0);
return -1;
}
memcpy(o->data, descr + 4, o->data_lenght);
}
return 1;
}
/* ts B40106 */
int burn_feature_descr_free(struct burn_feature_descr **descr, int flag)
{
struct burn_feature_descr *o, *next;
if (*descr == NULL)
return 0;
for (o = *descr; o != NULL; o = next) {
next = o->next;
if (o->data != NULL)
free(o->data);
free((char *) o);
}
*descr = NULL;
return 1;
}
/* ts B40107 */
int burn_drive_has_feature(struct burn_drive *d, int feature_code,
struct burn_feature_descr **descr, int flag)
{
struct burn_feature_descr *o;
for (o = d->features; o != NULL; o = o->next) {
if (o->feature_code == feature_code) {
if (descr != NULL)
*descr = o;
return 1;
}
}
return 0;
}

15
libburn/drive.h
View File

@ -1,7 +1,7 @@
/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
/* Copyright (c) 2004 - 2006 Derek Foreman, Ben Jansens
Copyright (c) 2006 - 2011 Thomas Schmitt <scdbackup@gmx.net>
Copyright (c) 2006 - 2014 Thomas Schmitt <scdbackup@gmx.net>
Provided under GPL version 2 or later.
*/
@ -19,6 +19,7 @@ struct command;
struct mempage;
struct scsi_mode_data;
struct burn_speed_descriptor;
struct burn_feature_descr;
#define LEAD_IN 1
#define GAP 2
@ -155,4 +156,16 @@ int burn_abort_5(int patience,
/* Send a default mode page 05 to CD and DVD-R-oids */
int burn_drive_send_default_page_05(struct burn_drive *d, int flag);
/* ts B40106 */
int burn_feature_descr_new(struct burn_feature_descr **new,
unsigned char *descr, int descr_len, int flag);
/* ts B40106 */
int burn_feature_descr_free(struct burn_feature_descr **new, int flag);
/* ts B40107 */
int burn_drive_has_feature(struct burn_drive *d, int feature_code,
struct burn_feature_descr **descr, int flag);
#endif /* __DRIVE */

14
libburn/mmc.c
View File

@ -2928,6 +2928,7 @@ static int mmc_get_configuration_al(struct burn_drive *d, int *alloc_len)
struct command *c = NULL;
int phys_if_std = 0;
char *phys_name = "";
struct burn_feature_descr *recent_feature = NULL, *new_feature;
/* Enable this to get loud and repeated reports about the feature set :
# define Libburn_print_feature_descriptorS 1
@ -2949,6 +2950,8 @@ static int mmc_get_configuration_al(struct burn_drive *d, int *alloc_len)
d->current_is_supported_profile = 0;
d->current_is_guessed_profile = 0;
d->num_profiles = 0;
if (d->features != NULL)
burn_feature_descr_free(&(d->features), 0);
d->current_has_feat21h = 0;
d->current_feat21h_link_size = -1;
d->current_feat23h_byte4 = 0;
@ -3080,6 +3083,17 @@ static int mmc_get_configuration_al(struct burn_drive *d, int *alloc_len)
descr_len = 4 + descr[3];
feature_code = (descr[0] << 8) | descr[1];
feature_is_current = descr[2] & 1;
ret = burn_feature_descr_new(&new_feature, descr,
up_to - descr, 0);
if (ret > 0) {
if (d->features == NULL)
d->features = new_feature;
else
recent_feature->next = new_feature;
recent_feature = new_feature;
}
if (only_current && !feature_is_current)
continue;

23
libburn/transport.h
View File

@ -1,7 +1,7 @@
/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
/* Copyright (c) 2004 - 2006 Derek Foreman, Ben Jansens
Copyright (c) 2006 - 2013 Thomas Schmitt <scdbackup@gmx.net>
Copyright (c) 2006 - 2014 Thomas Schmitt <scdbackup@gmx.net>
Provided under GPL version 2 or later.
*/
@ -131,6 +131,24 @@ struct burn_format_descr {
};
/* ts B40106 : represents a Feature Descriptor as of mmc5r03c.pdf 5.2.2
There can be many of them. Thus a linked list.
*/
struct burn_feature_descr {
unsigned short feature_code;
unsigned char flags; /* bit0= current
bit1= persistent
bit2-5= version
*/
unsigned char data_lenght;
unsigned char *data;
struct burn_feature_descr *next;
};
/** Gets initialized in enumerate_common() and burn_drive_register() */
struct burn_drive
{
@ -182,6 +200,9 @@ struct burn_drive
unsigned char all_profiles[256];
int num_profiles;
/* ts B40106 : All feature descriptors as read from drive */
struct burn_feature_descr *features;
/* ts A70128 : MMC-to-MMC feature info from 46h for DVD-RW.
Quite internal. Regard as opaque :)
*/

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