libburnia/libisofs-legacy
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This commit is contained in:
Mario Danic
2006-08-15 20:37:04 +00:00
commit 2f2c115e08
96 changed files with 15010 additions and 0 deletions
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4
libburn/Makefile Normal file
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all clean:
$(MAKE) -C .. -$(MAKEFLAGS) $@
.PHONY: all clean

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libburn/Makefile.am Normal file
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pkgconfigdir=$(libdir)/pkgconfig
libincludedir=$(includedir)/libburn/@BURN_MAJOR_VERSION@
lib_LTLIBRARIES = libburn.la
libburn_la_SOURCES = \
async.c \
async.h \
crc.c \
crc.h \
debug.c \
debug.h \
drive.c \
drive.h \
file.c \
file.h \
init.c \
init.h \
lec.c \
lec.h \
message.c \
message.h \
mmc.c \
mmc.h \
null.c \
null.h \
options.c \
options.h \
read.c \
read.h \
sbc.c \
sbc.h \
sector.c \
sector.h \
sg.c \
sg.h \
spc.c \
spc.h \
source.h \
source.c \
structure.c \
structure.h \
toc.c \
toc.h \
transport.h \
util.c \
util.h \
write.c \
write.h
libinclude_HEADERS = libburn.h
## ========================================================================= ##
indent_files = $(libburn_la_SOURCES)
indent: $(indent_files)
indent -bad -bap -nbbb -nbbo -nbc -bli0 -br -bls \
-cdw -ce -cli0 -ncs -nbfda -i8 -l79 -lc79 \
-lp -saf -sai -nprs -npsl -saw -sob -ss -ut \
-sbi0 -nsc -ts8 -npcs -ncdb -fca \
$^
.PHONY: indent
## ========================================================================= ##

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#include "libburn.h"
#include "transport.h"
#include "drive.h"
#include "write.h"
#include "options.h"
#include "async.h"
#include <pthread.h>
#include <assert.h>
#include <stdlib.h>
#define SCAN_GOING() (workers && !workers->drive)
typedef void *(*WorkerFunc) (void *);
struct scan_opts
{
struct burn_drive_info **drives;
unsigned int *n_drives;
int done;
};
struct erase_opts
{
struct burn_drive *drive;
int fast;
};
struct write_opts
{
struct burn_drive *drive;
struct burn_write_opts *opts;
struct burn_disc *disc;
};
struct w_list
{
struct burn_drive *drive;
pthread_t thread;
struct w_list *next;
union w_list_data
{
struct scan_opts scan;
struct erase_opts erase;
struct write_opts write;
} u;
};
static struct w_list *workers;
static struct w_list *find_worker(struct burn_drive *d)
{
struct w_list *a;
for (a = workers; a; a = a->next)
if (a->drive == d)
return a;
return NULL;
}
static void add_worker(struct burn_drive *d, WorkerFunc f, void *data)
{
struct w_list *a;
struct w_list *tmp;
a = malloc(sizeof(struct w_list));
a->drive = d;
a->u = *(union w_list_data *)data;
/* insert at front of the list */
a->next = workers;
tmp = workers;
workers = a;
if (d)
d->busy = BURN_DRIVE_SPAWNING;
if (pthread_create(&a->thread, NULL, f, a)) {
free(a);
workers = tmp;
return;
}
}
static void remove_worker(pthread_t th)
{
struct w_list *a, *l = NULL;
for (a = workers; a; l = a, a = a->next)
if (a->thread == th) {
if (l)
l->next = a->next;
else
workers = a->next;
free(a);
break;
}
assert(a != NULL); /* wasn't found.. this should not be possible */
}
static void *scan_worker_func(struct w_list *w)
{
burn_drive_scan_sync(w->u.scan.drives, w->u.scan.n_drives);
w->u.scan.done = 1;
return NULL;
}
int burn_drive_scan(struct burn_drive_info *drives[], unsigned int *n_drives)
{
struct scan_opts o;
int ret = 0;
/* cant be anything working! */
assert(!(workers && workers->drive));
if (!workers) {
/* start it */
o.drives = drives;
o.n_drives = n_drives;
o.done = 0;
add_worker(NULL, (WorkerFunc) scan_worker_func, &o);
} else if (workers->u.scan.done) {
/* its done */
ret = workers->u.scan.done;
remove_worker(workers->thread);
assert(workers == NULL);
} else {
/* still going */
}
return ret;
}
static void *erase_worker_func(struct w_list *w)
{
burn_disc_erase_sync(w->u.erase.drive, w->u.erase.fast);
remove_worker(pthread_self());
return NULL;
}
void burn_disc_erase(struct burn_drive *drive, int fast)
{
struct erase_opts o;
assert(drive);
assert(!SCAN_GOING());
assert(!find_worker(drive));
o.drive = drive;
o.fast = fast;
add_worker(drive, (WorkerFunc) erase_worker_func, &o);
}
static void *write_disc_worker_func(struct w_list *w)
{
burn_disc_write_sync(w->u.write.opts, w->u.write.disc);
/* the options are refcounted, free out ref count which we added below
*/
burn_write_opts_free(w->u.write.opts);
remove_worker(pthread_self());
return NULL;
}
void burn_disc_write(struct burn_write_opts *opts, struct burn_disc *disc)
{
struct write_opts o;
assert(!SCAN_GOING());
assert(!find_worker(opts->drive));
o.drive = opts->drive;
o.opts = opts;
o.disc = disc;
opts->refcount++;
add_worker(opts->drive, (WorkerFunc) write_disc_worker_func, &o);
}
void burn_async_join_all(void)
{
void *ret;
while (workers)
pthread_join(workers->thread, &ret);
}

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef BURN__ASYNC_H
#define BURN__ASYNC_H
void burn_async_join_all(void);
struct burn_write_opts;
#endif /* BURN__ASYNC_H */

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#include "crc.h"
static unsigned short ccitt_table[256] = {
0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
};
unsigned long crc32_table[256] = {
0x00000000L, 0x90910101L, 0x91210201L, 0x01B00300L,
0x92410401L, 0x02D00500L, 0x03600600L, 0x93F10701L,
0x94810801L, 0x04100900L, 0x05A00A00L, 0x95310B01L,
0x06C00C00L, 0x96510D01L, 0x97E10E01L, 0x07700F00L,
0x99011001L, 0x09901100L, 0x08201200L, 0x98B11301L,
0x0B401400L, 0x9BD11501L, 0x9A611601L, 0x0AF01700L,
0x0D801800L, 0x9D111901L, 0x9CA11A01L, 0x0C301B00L,
0x9FC11C01L, 0x0F501D00L, 0x0EE01E00L, 0x9E711F01L,
0x82012001L, 0x12902100L, 0x13202200L, 0x83B12301L,
0x10402400L, 0x80D12501L, 0x81612601L, 0x11F02700L,
0x16802800L, 0x86112901L, 0x87A12A01L, 0x17302B00L,
0x84C12C01L, 0x14502D00L, 0x15E02E00L, 0x85712F01L,
0x1B003000L, 0x8B913101L, 0x8A213201L, 0x1AB03300L,
0x89413401L, 0x19D03500L, 0x18603600L, 0x88F13701L,
0x8F813801L, 0x1F103900L, 0x1EA03A00L, 0x8E313B01L,
0x1DC03C00L, 0x8D513D01L, 0x8CE13E01L, 0x1C703F00L,
0xB4014001L, 0x24904100L, 0x25204200L, 0xB5B14301L,
0x26404400L, 0xB6D14501L, 0xB7614601L, 0x27F04700L,
0x20804800L, 0xB0114901L, 0xB1A14A01L, 0x21304B00L,
0xB2C14C01L, 0x22504D00L, 0x23E04E00L, 0xB3714F01L,
0x2D005000L, 0xBD915101L, 0xBC215201L, 0x2CB05300L,
0xBF415401L, 0x2FD05500L, 0x2E605600L, 0xBEF15701L,
0xB9815801L, 0x29105900L, 0x28A05A00L, 0xB8315B01L,
0x2BC05C00L, 0xBB515D01L, 0xBAE15E01L, 0x2A705F00L,
0x36006000L, 0xA6916101L, 0xA7216201L, 0x37B06300L,
0xA4416401L, 0x34D06500L, 0x35606600L, 0xA5F16701L,
0xA2816801L, 0x32106900L, 0x33A06A00L, 0xA3316B01L,
0x30C06C00L, 0xA0516D01L, 0xA1E16E01L, 0x31706F00L,
0xAF017001L, 0x3F907100L, 0x3E207200L, 0xAEB17301L,
0x3D407400L, 0xADD17501L, 0xAC617601L, 0x3CF07700L,
0x3B807800L, 0xAB117901L, 0xAAA17A01L, 0x3A307B00L,
0xA9C17C01L, 0x39507D00L, 0x38E07E00L, 0xA8717F01L,
0xD8018001L, 0x48908100L, 0x49208200L, 0xD9B18301L,
0x4A408400L, 0xDAD18501L, 0xDB618601L, 0x4BF08700L,
0x4C808800L, 0xDC118901L, 0xDDA18A01L, 0x4D308B00L,
0xDEC18C01L, 0x4E508D00L, 0x4FE08E00L, 0xDF718F01L,
0x41009000L, 0xD1919101L, 0xD0219201L, 0x40B09300L,
0xD3419401L, 0x43D09500L, 0x42609600L, 0xD2F19701L,
0xD5819801L, 0x45109900L, 0x44A09A00L, 0xD4319B01L,
0x47C09C00L, 0xD7519D01L, 0xD6E19E01L, 0x46709F00L,
0x5A00A000L, 0xCA91A101L, 0xCB21A201L, 0x5BB0A300L,
0xC841A401L, 0x58D0A500L, 0x5960A600L, 0xC9F1A701L,
0xCE81A801L, 0x5E10A900L, 0x5FA0AA00L, 0xCF31AB01L,
0x5CC0AC00L, 0xCC51AD01L, 0xCDE1AE01L, 0x5D70AF00L,
0xC301B001L, 0x5390B100L, 0x5220B200L, 0xC2B1B301L,
0x5140B400L, 0xC1D1B501L, 0xC061B601L, 0x50F0B700L,
0x5780B800L, 0xC711B901L, 0xC6A1BA01L, 0x5630BB00L,
0xC5C1BC01L, 0x5550BD00L, 0x54E0BE00L, 0xC471BF01L,
0x6C00C000L, 0xFC91C101L, 0xFD21C201L, 0x6DB0C300L,
0xFE41C401L, 0x6ED0C500L, 0x6F60C600L, 0xFFF1C701L,
0xF881C801L, 0x6810C900L, 0x69A0CA00L, 0xF931CB01L,
0x6AC0CC00L, 0xFA51CD01L, 0xFBE1CE01L, 0x6B70CF00L,
0xF501D001L, 0x6590D100L, 0x6420D200L, 0xF4B1D301L,
0x6740D400L, 0xF7D1D501L, 0xF661D601L, 0x66F0D700L,
0x6180D800L, 0xF111D901L, 0xF0A1DA01L, 0x6030DB00L,
0xF3C1DC01L, 0x6350DD00L, 0x62E0DE00L, 0xF271DF01L,
0xEE01E001L, 0x7E90E100L, 0x7F20E200L, 0xEFB1E301L,
0x7C40E400L, 0xECD1E501L, 0xED61E601L, 0x7DF0E700L,
0x7A80E800L, 0xEA11E901L, 0xEBA1EA01L, 0x7B30EB00L,
0xE8C1EC01L, 0x7850ED00L, 0x79E0EE00L, 0xE971EF01L,
0x7700F000L, 0xE791F101L, 0xE621F201L, 0x76B0F300L,
0xE541F401L, 0x75D0F500L, 0x7460F600L, 0xE4F1F701L,
0xE381F801L, 0x7310F900L, 0x72A0FA00L, 0xE231FB01L,
0x71C0FC00L, 0xE151FD01L, 0xE0E1FE01L, 0x7070FF00L
};
unsigned short crc_ccitt(unsigned char *q, int len)
{
unsigned short crc = 0;
while (len-- > 0)
crc = ccitt_table[(crc >> 8 ^ *q++) & 0xff] ^ (crc << 8);
return ~crc;
}
unsigned int crc_32(unsigned char *data, int len)
{
unsigned int crc = 0;
while (len-- > 0)
crc = crc32_table[(crc ^ *data++) & 0xffL] ^ (crc >> 8);
return crc;
}

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef BURN__CRC_H
#define BURN__CRC_H
unsigned short crc_ccitt(unsigned char *, int len);
unsigned int crc_32(unsigned char *, int len);
#endif /* BURN__CRC_H */

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifdef WIN32
#include <windows.h>
#endif
#include <stdarg.h>
#include <stdio.h>
#include "libburn.h"
#include "debug.h"
static int burn_verbosity = 0;
void burn_set_verbosity(int v)
{
burn_verbosity = v;
}
void burn_print(int level, const char *a, ...)
{
#ifdef WIN32
char debug_string_data[256];
#endif
va_list vl;
if (level <= burn_verbosity) {
va_start(vl, a);
#ifdef WIN32
vsprintf(debug_string_data, a, vl);
OutputDebugString(debug_string_data);
#else
vfprintf(stderr, a, vl);
#endif
}
}

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef BURN__DEBUG_H
#define BURN__DEBUG_H
void burn_print(int level, const char *a, ...);
#endif /* BURN__DEBUG_H */

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#include <malloc.h>
#include <unistd.h>
#include <signal.h>
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <pthread.h>
#include "libburn.h"
#include "drive.h"
#include "transport.h"
#include "message.h"
#include "debug.h"
#include "init.h"
#include "toc.h"
#include "util.h"
#include "sg.h"
#include "structure.h"
static struct burn_drive drive_array[255];
static int drivetop = -1;
void burn_drive_free(void)
{
int i;
struct burn_drive *d;
for (i = 0; i < drivetop + 1; i++) {
d = &drive_array[i];
free((void *)d->idata);
free((void *)d->mdata);
free((void *)d->toc_entry);
free(d->devname);
}
drivetop = -1;
memset(drive_array, 0, sizeof(drive_array));
}
/*
void drive_read_lead_in(int dnum)
{
mmc_read_lead_in(&drive_array[dnum], get_4k());
}
*/
unsigned int burn_drive_count(void)
{
return drivetop + 1;
}
int burn_drive_grab(struct burn_drive *d, int le)
{
int errcode;
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->status = BURN_DISC_BLANK;
if (d->mdata->cdr_write || d->mdata->cdrw_write ||
d->mdata->dvdr_write || d->mdata->dvdram_write) {
d->read_disc_info(d);
} else
d->read_toc(d);
d->busy = BURN_DRIVE_IDLE;
return 1;
}
struct burn_drive *burn_drive_register(struct burn_drive *d)
{
d->block_types[0] = 0;
d->block_types[1] = 0;
d->block_types[2] = 0;
d->block_types[3] = 0;
d->toc_temp = 0;
d->nwa = 0;
d->alba = 0;
d->rlba = 0;
d->cancel = 0;
d->busy = BURN_DRIVE_IDLE;
d->toc_entries = 0;
d->toc_entry = NULL;
d->disc = NULL;
d->erasable = 0;
memcpy(&drive_array[drivetop + 1], d, sizeof(struct burn_drive));
pthread_mutex_init(&drive_array[drivetop + 1].access_lock, NULL);
return &drive_array[++drivetop];
}
void burn_drive_release(struct burn_drive *d, int le)
{
if (d->released)
burn_print(1, "second release on drive!\n");
assert(!d->busy);
if (le)
d->eject(d);
d->unlock(d);
d->release(d);
d->status = BURN_DISC_UNREADY;
d->released = 1;
if (d->toc_entry)
free(d->toc_entry);
d->toc_entry = NULL;
d->toc_entries = 0;
if (d->disc != NULL) {
burn_disc_free(d->disc);
d->disc = NULL;
}
}
void burn_wait_all(void)
{
unsigned int i;
int finished = 0;
struct burn_drive *d;
while (!finished) {
finished = 1;
d = drive_array;
for (i = burn_drive_count(); i > 0; --i, ++d) {
assert(d->released);
}
if (!finished)
sleep(1);
}
}
void burn_disc_erase_sync(struct burn_drive *d, int fast)
{
burn_message_clear_queue();
burn_print(1, "erasing drive %s %s\n", d->idata->vendor,
d->idata->product);
if (d->status != BURN_DISC_FULL)
return;
d->cancel = 0;
d->busy = BURN_DRIVE_ERASING;
d->erase(d, fast);
/* reset the progress */
d->progress.session = 0;
d->progress.sessions = 1;
d->progress.track = 0;
d->progress.tracks = 1;
d->progress.index = 0;
d->progress.indices = 1;
d->progress.start_sector = 0;
d->progress.sectors = 0x10000;
d->progress.sector = 0;
/* read the initial 0 stage */
while (!d->test_unit_ready(d) && d->get_erase_progress(d) == 0)
sleep(1);
while (!d->test_unit_ready(d) &&
(d->progress.sector = d->get_erase_progress(d)) > 0)
sleep(1);
d->progress.sector = 0x10000;
d->busy = BURN_DRIVE_IDLE;
}
enum burn_disc_status burn_disc_get_status(struct burn_drive *d)
{
assert(!d->released);
return d->status;
}
int burn_disc_erasable(struct burn_drive *d)
{
return d->erasable;
}
enum burn_drive_status burn_drive_get_status(struct burn_drive *d,
struct burn_progress *p)
{
if (p) {
memcpy(p, &(d->progress), sizeof(struct burn_progress));
/* TODO: add mutex */
}
return d->busy;
}
void burn_drive_cancel(struct burn_drive *d)
{
pthread_mutex_lock(&d->access_lock);
d->cancel = 1;
pthread_mutex_unlock(&d->access_lock);
}
int burn_drive_get_block_types(struct burn_drive *d,
enum burn_write_types write_type)
{
burn_print(12, "write type: %d\n", write_type);
assert( /* (write_type >= BURN_WRITE_PACKET) && */
(write_type <= BURN_WRITE_RAW));
return d->block_types[write_type];
}
static void strip_spaces(char *str)
{
char *tmp;
tmp = str + strlen(str) - 1;
while (isspace(*tmp))
*(tmp--) = '\0';
tmp = str;
while (*tmp) {
if (isspace(*tmp) && isspace(*(tmp + 1))) {
char *tmp2;
for (tmp2 = tmp + 1; *tmp2; ++tmp2)
*(tmp2 - 1) = *tmp2;
*(tmp2 - 1) = '\0';
} else
++tmp;
}
}
static int drive_getcaps(struct burn_drive *d, struct burn_drive_info *out)
{
struct scsi_inquiry_data *id;
assert(d->idata);
assert(d->mdata);
if (!d->idata->valid || !d->mdata->valid)
return 0;
id = (struct scsi_inquiry_data *)d->idata;
memcpy(out->vendor, id->vendor, sizeof(id->vendor));
strip_spaces(out->vendor);
memcpy(out->product, id->product, sizeof(id->product));
strip_spaces(out->product);
memcpy(out->revision, id->revision, sizeof(id->revision));
strip_spaces(out->revision);
strncpy(out->location, d->devname, 16);
out->location[16] = '\0';
out->buffer_size = d->mdata->buffer_size;
out->read_dvdram = !!d->mdata->dvdram_read;
out->read_dvdr = !!d->mdata->dvdr_read;
out->read_dvdrom = !!d->mdata->dvdrom_read;
out->read_cdr = !!d->mdata->cdr_read;
out->read_cdrw = !!d->mdata->cdrw_read;
out->write_dvdram = !!d->mdata->dvdram_write;
out->write_dvdr = !!d->mdata->dvdr_write;
out->write_cdr = !!d->mdata->cdr_write;
out->write_cdrw = !!d->mdata->cdrw_write;
out->write_simulate = !!d->mdata->simulate;
out->c2_errors = !!d->mdata->c2_pointers;
out->drive = d;
/* update available block types for burners */
if (out->write_dvdram || out->write_dvdr ||
out->write_cdrw || out->write_cdr)
d->probe_write_modes(d);
out->tao_block_types = d->block_types[BURN_WRITE_TAO];
out->sao_block_types = d->block_types[BURN_WRITE_SAO];
out->raw_block_types = d->block_types[BURN_WRITE_RAW];
out->packet_block_types = d->block_types[BURN_WRITE_PACKET];
return 1;
}
int burn_drive_scan_sync(struct burn_drive_info *drives[],
unsigned int *n_drives)
{
/* state vars for the scan process */
static int scanning = 0, scanned, found;
static unsigned num_scanned, count;
unsigned int i;
struct burn_drive *d;
assert(burn_running);
if (!scanning) {
scanning = 1;
/* make sure the drives aren't in use */
burn_wait_all(); /* make sure the queue cleans up
before checking for the released
state */
d = drive_array;
count = burn_drive_count();
for (i = 0; i < count; ++i, ++d)
assert(d->released == 1);
/* refresh the lib's drives */
sg_enumerate();
ata_enumerate();
count = burn_drive_count();
if (count)
*drives =
malloc(sizeof(struct burn_drive_info) * count);
else
*drives = NULL;
*n_drives = scanned = found = num_scanned = 0;
}
for (i = 0; i < count; ++i) {
if (scanned & (1 << i))
continue; /* already scanned the device */
while (!drive_getcaps(&drive_array[i],
&(*drives)[num_scanned])) {
sleep(1);
}
scanned |= 1 << i;
found |= 1 << i;
num_scanned++;
(*n_drives)++;
}
if (num_scanned == count) {
/* done scanning */
scanning = 0;
return 1;
}
return 0;
}
void burn_drive_info_free(struct burn_drive_info *info)
{
free(info);
burn_drive_free();
}
struct burn_disc *burn_drive_get_disc(struct burn_drive *d)
{
d->disc->refcnt++;
return d->disc;
}
void burn_drive_set_speed(struct burn_drive *d, int r, int w)
{
d->set_speed(d, r, w);
}
int burn_msf_to_sectors(int m, int s, int f)
{
return (m * 60 + s) * 75 + f;
}
void burn_sectors_to_msf(int sectors, int *m, int *s, int *f)
{
*m = sectors / (60 * 75);
*s = (sectors - *m * 60 * 75) / 75;
*f = sectors - *m * 60 * 75 - *s * 75;
}
int burn_drive_get_read_speed(struct burn_drive *d)
{
return d->mdata->max_read_speed;
}
int burn_drive_get_write_speed(struct burn_drive *d)
{
return d->mdata->max_write_speed;
}

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef __DRIVE
#define __DRIVE
#include "libburn.h"
#include "toc.h"
#include "structure.h"
struct burn_drive;
struct command;
struct mempage;
#define LEAD_IN 1
#define GAP 2
#define USER_DATA 3
#define LEAD_OUT 4
#define SYNC 5
#define SESSION_LEADOUT_ENTRY(d,s) (d)->toc->session[(s)].leadout_entry
#define CURRENT_SESSION_START(d) \
burn_msf_to_lba(d->toc->session[d->currsession].start_m, \
d->toc->session[d->currsession].start_s, \
d->toc->session[d->currsession].start_f)
#define SESSION_END(d,s) \
TOC_ENTRY_PLBA((d)->toc, SESSION_LEADOUT_ENTRY((d), (s)))
#define PREVIOUS_SESSION_END(d) \
TOC_ENTRY_PLBA((d)->toc, SESSION_LEADOUT_ENTRY((d), (d)->currsession-1))
#define LAST_SESSION_END(d) \
TOC_ENTRY_PLBA((d)->toc, \
SESSION_LEADOUT_ENTRY((d), (d)->toc->sessions-1))
struct burn_drive *burn_drive_register(struct burn_drive *);
unsigned int burn_drive_count(void);
void burn_wait_all(void);
int burn_sector_length_write(struct burn_drive *d);
int burn_track_control(struct burn_drive *d, int);
void burn_write_empty_sector(int fd);
void burn_write_empty_subcode(int fd);
void burn_drive_free(void);
int burn_drive_scan_sync(struct burn_drive_info *drives[],
unsigned int *n_drives);
void burn_disc_erase_sync(struct burn_drive *d, int fast);
int burn_drive_get_block_types(struct burn_drive *d,
enum burn_write_types write_type);
#endif /* __DRIVE */

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/* -*- indent-tabs-mode; t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef __ERROR_H
#define __ERROR_H
#define BE_CANCELLED 1
#endif /* __ERROR_H */

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include "source.h"
#include "libburn.h"
#include "file.h"
/* main channel data can be padded on read, but 0 padding the subs will make
an unreadable disc */
/* This is a generic OS oriented function wrapper which compensates
shortcommings of read() in respect to a guaranteed amount of return data.
See man 2 read , paragraph "RETURN VALUE".
Possibly libburn/file.c is not the right storage location for this.
To make it ready for a move, this function is not declared static.
*/
static int read_full_buffer(int fd, unsigned char *buffer, int size)
{
int ret,summed_ret = 0;
/* make safe against partial buffer returns */
while (1) {
ret = read(fd, buffer + summed_ret, size - summed_ret);
if (ret <= 0)
break;
summed_ret += ret;
if (summed_ret >= size)
break;
}
if (ret < 0) /* error encountered. abort immediately */
return ret;
return summed_ret;
}
static int file_read(struct burn_source *source,
unsigned char *buffer,
int size)
{
struct burn_source_fd *fs = source->data;
return read_full_buffer(fs->datafd, buffer, size);
}
static int file_read_sub(struct burn_source *source,
unsigned char *buffer,
int size)
{
struct burn_source_file *fs = source->data;
return read_full_buffer(fs->subfd, buffer, size);
}
static void file_free(struct burn_source *source)
{
struct burn_source_file *fs = source->data;
close(fs->datafd);
if (source->read_sub)
close(fs->subfd);
free(fs);
}
static off_t file_size(struct burn_source *source)
{
struct stat buf;
struct burn_source_file *fs = source->data;
if (fstat(fs->datafd, &buf) == -1)
return (off_t) 0;
/* for now we keep it compatible to the old (int) return value */
if(buf.st_size >= 1308622848) /* 2 GB - 800 MB to prevent rollover */
return (off_t) 1308622848;
return (off_t) buf.st_size;
}
struct burn_source *burn_file_source_new(const char *path, const char *subpath)
{
struct burn_source_file *fs;
struct burn_source *src;
int fd1, fd2 = 0;
if (!path)
return NULL;
fd1 = open(path, O_RDONLY);
if (fd1 == -1)
return NULL;
if (subpath) {
fd2 = open(subpath, O_RDONLY);
if (fd2 == -1) {
close(fd1);
return NULL;
}
}
fs = malloc(sizeof(struct burn_source_file));
fs->datafd = fd1;
if (subpath)
fs->subfd = fd2;
src = burn_source_new();
src->read = file_read;
if (subpath)
src->read_sub = file_read_sub;
src->get_size = file_size;
src->free_data = file_free;
src->data = fs;
return src;
}
/* ------ provisory location for the new source subclass fd --------- */
static off_t fd_get_size(struct burn_source *source)
{
struct stat buf;
struct burn_source_fd *fs = source->data;
if (fs->fixed_size > 0)
return fs->fixed_size;
if (fstat(fs->datafd, &buf) == -1)
return (off_t) 0;
/* for now we keep it compatible to the old (int) return value */
if (buf.st_size >= 1308622848) /* 2 GB - 800 MB to prevent rollover */
return (off_t) 1308622848;
return buf.st_size;
}
static int fd_read(struct burn_source *source,
unsigned char *buffer,
int size)
{
struct burn_source_fd *fs = source->data;
return read_full_buffer(fs->datafd, buffer, size);
}
static int fd_read_sub(struct burn_source *source,
unsigned char *buffer,
int size)
{
struct burn_source_fd *fs = source->data;
return read_full_buffer(fs->subfd, buffer, size);
}
static void fd_free_data(struct burn_source *source)
{
struct burn_source_fd *fs = source->data;
close(fs->datafd);
if (source->read_sub)
close(fs->subfd);
free(fs);
}
struct burn_source *burn_fd_source_new(int datafd, int subfd, off_t size)
{
struct burn_source_fd *fs;
struct burn_source *src;
if (datafd == -1)
return NULL;
fs = malloc(sizeof(struct burn_source_fd));
fs->datafd = datafd;
fs->subfd = subfd;
fs->fixed_size = size;
src = burn_source_new();
src->read = fd_read;
if(subfd != -1)
src->read = fd_read_sub;
src->get_size = fd_get_size;
src->free_data = fd_free_data;
src->data = fs;
return src;
}

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef BURN__FILE_H
#define BURN__FILE_H
struct burn_source_file
{
int datafd;
int subfd;
};
/* ------ provisory location for the new source subclass fd --------- */
struct burn_source_fd
{
int datafd;
int subfd;
off_t fixed_size;
};
#endif /* LIBBURN__FILE_H */

33
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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#include <unistd.h>
#include <assert.h>
#include <stdio.h>
#include <signal.h>
#include "init.h"
#include "sg.h"
#include "error.h"
#include "libburn.h"
#include "drive.h"
int burn_running = 0;
int burn_initialize(void)
{
if (burn_running)
return 1;
burn_running = 1;
return 1;
}
void burn_finish(void)
{
assert(burn_running);
burn_wait_all();
burn_drive_free();
burn_running = 0;
}

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libburn/init.h Normal file
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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef BURN__INIT_H
#define BURN__INIT_H
extern int burn_running;
#endif /* BURN__INIT_H */

451
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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
/* borrowed HEAVILY from cdrdao */
#include <string.h>
#include "lec.h"
#define LEC_HEADER_OFFSET 12
#define LEC_MODE1_P_PARITY_OFFSET 2076
#define LEC_MODE1_Q_PARITY_OFFSET 2248
static unsigned char gf8_ilog[255] = {
1, 2, 4, 8, 16, 32, 64, 128, 29, 58, 116, 232, 205, 135, 19, 38, 76,
152, 45, 90, 180, 117, 234, 201, 143, 3, 6, 12, 24, 48, 96,
192, 157, 39, 78, 156, 37, 74, 148, 53, 106, 212, 181, 119,
238, 193, 159, 35, 70, 140, 5, 10, 20, 40, 80, 160, 93, 186,
105, 210, 185, 111, 222, 161, 95, 190, 97, 194, 153, 47, 94,
188, 101, 202, 137, 15, 30, 60, 120, 240, 253, 231, 211, 187,
107, 214, 177, 127, 254, 225, 223, 163, 91, 182, 113, 226, 217,
175, 67, 134, 17, 34, 68, 136, 13, 26, 52, 104, 208, 189, 103,
206, 129, 31, 62, 124, 248, 237, 199, 147, 59, 118, 236, 197,
151, 51, 102, 204, 133, 23, 46, 92, 184, 109, 218, 169, 79,
158, 33, 66, 132, 21, 42, 84, 168, 77, 154, 41, 82, 164, 85,
170, 73, 146, 57, 114, 228, 213, 183, 115, 230, 209, 191, 99,
198, 145, 63, 126, 252, 229, 215, 179, 123, 246, 241, 255, 227,
219, 171, 75, 150, 49, 98, 196, 149, 55, 110, 220, 165, 87,
174, 65, 130, 25, 50, 100, 200, 141, 7, 14, 28, 56, 112, 224,
221, 167, 83, 166, 81, 162, 89, 178, 121, 242, 249, 239, 195,
155, 43, 86, 172, 69, 138, 9, 18, 36, 72, 144, 61, 122, 244,
245, 247, 243, 251, 235, 203, 139, 11, 22, 44, 88, 176, 125,
250, 233, 207, 131, 27, 54, 108, 216, 173, 71, 142,
};
static unsigned char gf8_log[256] = {
0, 0, 1, 25, 2, 50, 26, 198, 3, 223, 51, 238, 27, 104, 199, 75, 4, 100,
224, 14, 52, 141, 239, 129, 28, 193, 105, 248, 200, 8, 76, 113,
5, 138, 101, 47, 225, 36, 15, 33, 53, 147, 142, 218, 240, 18,
130, 69, 29, 181, 194, 125, 106, 39, 249, 185, 201, 154, 9,
120, 77, 228, 114, 166, 6, 191, 139, 98, 102, 221, 48, 253,
226, 152, 37, 179, 16, 145, 34, 136, 54, 208, 148, 206, 143,
150, 219, 189, 241, 210, 19, 92, 131, 56, 70, 64, 30, 66, 182,
163, 195, 72, 126, 110, 107, 58, 40, 84, 250, 133, 186, 61,
202, 94, 155, 159, 10, 21, 121, 43, 78, 212, 229, 172, 115,
243, 167, 87, 7, 112, 192, 247, 140, 128, 99, 13, 103, 74, 222,
237, 49, 197, 254, 24, 227, 165, 153, 119, 38, 184, 180, 124,
17, 68, 146, 217, 35, 32, 137, 46, 55, 63, 209, 91, 149, 188,
207, 205, 144, 135, 151, 178, 220, 252, 190, 97, 242, 86, 211,
171, 20, 42, 93, 158, 132, 60, 57, 83, 71, 109, 65, 162, 31,
45, 67, 216, 183, 123, 164, 118, 196, 23, 73, 236, 127, 12,
111, 246, 108, 161, 59, 82, 41, 157, 85, 170, 251, 96, 134,
177, 187, 204, 62, 90, 203, 89, 95, 176, 156, 169, 160, 81, 11,
245, 22, 235, 122, 117, 44, 215, 79, 174, 213, 233, 230, 231,
173, 232, 116, 214, 244, 234, 168, 80, 88, 175,
};
static unsigned char gf8_q_coeffs[2][45] = {
{97, 251, 133, 60, 82, 160, 155, 201, 8, 112, 246, 11, 21, 42, 157,
169, 80, 174, 232, 230, 172, 211, 241, 18, 68, 216, 44, 121, 9, 200,
75, 103, 221, 252, 96, 176, 88, 167, 114, 76, 199, 26, 1, 0, 0},
{190, 96, 250, 132, 59, 81, 159, 154, 200, 7, 111, 245, 10, 20, 41,
156, 168, 79, 173, 231, 229, 171, 210, 240, 17, 67, 215, 43, 120, 8,
199, 74, 102, 220, 251, 95, 175, 87, 166, 113, 75, 198, 25, 0, 0}
};
static unsigned char gf8_p_coeffs[2][26] = {
{230, 172, 211, 241, 18, 68, 216, 44, 121, 9, 200, 75, 103, 221, 252,
96, 176, 88, 167, 114, 76, 199, 26, 1, 0, 0},
{231, 229, 171, 210, 240, 17, 67, 215, 43, 120, 8, 199, 74, 102, 220,
251, 95, 175, 87, 166, 113, 75, 198, 25, 0, 0}
};
static unsigned char yellowbook_scrambler[2340] = {
1, 128, 0, 96, 0, 40, 0, 30, 128, 8, 96, 6, 168, 2, 254, 129, 128, 96,
96, 40, 40, 30, 158,
136, 104, 102, 174, 170, 252, 127, 1, 224, 0, 72, 0, 54, 128, 22, 224,
14, 200, 4, 86, 131, 126, 225,
224, 72, 72, 54, 182, 150, 246, 238, 198, 204, 82, 213, 253, 159, 1,
168, 0, 126, 128, 32, 96, 24, 40,
10, 158, 135, 40, 98, 158, 169, 168, 126, 254, 160, 64, 120, 48, 34,
148, 25, 175, 74, 252, 55, 1, 214,
128, 94, 224, 56, 72, 18, 182, 141, 182, 229, 182, 203, 54, 215, 86,
222, 190, 216, 112, 90, 164, 59, 59,
83, 83, 125, 253, 225, 129, 136, 96, 102, 168, 42, 254, 159, 0, 104, 0,
46, 128, 28, 96, 9, 232, 6,
206, 130, 212, 97, 159, 104, 104, 46, 174, 156, 124, 105, 225, 238,
200, 76, 86, 181, 254, 247, 0, 70, 128,
50, 224, 21, 136, 15, 38, 132, 26, 227, 75, 9, 247, 70, 198, 178, 210,
245, 157, 135, 41, 162, 158, 249,
168, 66, 254, 177, 128, 116, 96, 39, 104, 26, 174, 139, 60, 103, 81,
234, 188, 79, 49, 244, 20, 71, 79,
114, 180, 37, 183, 91, 54, 187, 86, 243, 126, 197, 224, 83, 8, 61, 198,
145, 146, 236, 109, 141, 237, 165,
141, 187, 37, 179, 91, 53, 251, 87, 3, 126, 129, 224, 96, 72, 40, 54,
158, 150, 232, 110, 206, 172, 84,
125, 255, 97, 128, 40, 96, 30, 168, 8, 126, 134, 160, 98, 248, 41, 130,
158, 225, 168, 72, 126, 182, 160,
118, 248, 38, 194, 154, 209, 171, 28, 127, 73, 224, 54, 200, 22, 214,
142, 222, 228, 88, 75, 122, 183, 99,
54, 169, 214, 254, 222, 192, 88, 80, 58, 188, 19, 49, 205, 212, 85,
159, 127, 40, 32, 30, 152, 8, 106,
134, 175, 34, 252, 25, 129, 202, 224, 87, 8, 62, 134, 144, 98, 236, 41,
141, 222, 229, 152, 75, 42, 183,
95, 54, 184, 22, 242, 142, 197, 164, 83, 59, 125, 211, 97, 157, 232,
105, 142, 174, 228, 124, 75, 97, 247,
104, 70, 174, 178, 252, 117, 129, 231, 32, 74, 152, 55, 42, 150, 159,
46, 232, 28, 78, 137, 244, 102, 199,
106, 210, 175, 29, 188, 9, 177, 198, 244, 82, 199, 125, 146, 161, 173,
184, 125, 178, 161, 181, 184, 119, 50,
166, 149, 186, 239, 51, 12, 21, 197, 207, 19, 20, 13, 207, 69, 148, 51,
47, 85, 220, 63, 25, 208, 10,
220, 7, 25, 194, 138, 209, 167, 28, 122, 137, 227, 38, 201, 218, 214,
219, 30, 219, 72, 91, 118, 187, 102,
243, 106, 197, 239, 19, 12, 13, 197, 197, 147, 19, 45, 205, 221, 149,
153, 175, 42, 252, 31, 1, 200, 0,
86, 128, 62, 224, 16, 72, 12, 54, 133, 214, 227, 30, 201, 200, 86, 214,
190, 222, 240, 88, 68, 58, 179,
83, 53, 253, 215, 1, 158, 128, 104, 96, 46, 168, 28, 126, 137, 224,
102, 200, 42, 214, 159, 30, 232, 8,
78, 134, 180, 98, 247, 105, 134, 174, 226, 252, 73, 129, 246, 224, 70,
200, 50, 214, 149, 158, 239, 40, 76,
30, 181, 200, 119, 22, 166, 142, 250, 228, 67, 11, 113, 199, 100, 82,
171, 125, 191, 97, 176, 40, 116, 30,
167, 72, 122, 182, 163, 54, 249, 214, 194, 222, 209, 152, 92, 106, 185,
239, 50, 204, 21, 149, 207, 47, 20,
28, 15, 73, 196, 54, 211, 86, 221, 254, 217, 128, 90, 224, 59, 8, 19,
70, 141, 242, 229, 133, 139, 35,
39, 89, 218, 186, 219, 51, 27, 85, 203, 127, 23, 96, 14, 168, 4, 126,
131, 96, 97, 232, 40, 78, 158,
180, 104, 119, 110, 166, 172, 122, 253, 227, 1, 137, 192, 102, 208, 42,
220, 31, 25, 200, 10, 214, 135, 30,
226, 136, 73, 166, 182, 250, 246, 195, 6, 209, 194, 220, 81, 153, 252,
106, 193, 239, 16, 76, 12, 53, 197,
215, 19, 30, 141, 200, 101, 150, 171, 46, 255, 92, 64, 57, 240, 18,
196, 13, 147, 69, 173, 243, 61, 133,
209, 163, 28, 121, 201, 226, 214, 201, 158, 214, 232, 94, 206, 184, 84,
114, 191, 101, 176, 43, 52, 31, 87,
72, 62, 182, 144, 118, 236, 38, 205, 218, 213, 155, 31, 43, 72, 31,
118, 136, 38, 230, 154, 202, 235, 23,
15, 78, 132, 52, 99, 87, 105, 254, 174, 192, 124, 80, 33, 252, 24, 65,
202, 176, 87, 52, 62, 151, 80,
110, 188, 44, 113, 221, 228, 89, 139, 122, 231, 99, 10, 169, 199, 62,
210, 144, 93, 172, 57, 189, 210, 241,
157, 132, 105, 163, 110, 249, 236, 66, 205, 241, 149, 132, 111, 35,
108, 25, 237, 202, 205, 151, 21, 174, 143,
60, 100, 17, 235, 76, 79, 117, 244, 39, 7, 90, 130, 187, 33, 179, 88,
117, 250, 167, 3, 58, 129, 211,
32, 93, 216, 57, 154, 146, 235, 45, 143, 93, 164, 57, 187, 82, 243,
125, 133, 225, 163, 8, 121, 198, 162,
210, 249, 157, 130, 233, 161, 142, 248, 100, 66, 171, 113, 191, 100,
112, 43, 100, 31, 107, 72, 47, 118, 156,
38, 233, 218, 206, 219, 20, 91, 79, 123, 116, 35, 103, 89, 234, 186,
207, 51, 20, 21, 207, 79, 20, 52,
15, 87, 68, 62, 179, 80, 117, 252, 39, 1, 218, 128, 91, 32, 59, 88, 19,
122, 141, 227, 37, 137, 219,
38, 219, 90, 219, 123, 27, 99, 75, 105, 247, 110, 198, 172, 82, 253,
253, 129, 129, 160, 96, 120, 40, 34,
158, 153, 168, 106, 254, 175, 0, 124, 0, 33, 192, 24, 80, 10, 188, 7,
49, 194, 148, 81, 175, 124, 124,
33, 225, 216, 72, 90, 182, 187, 54, 243, 86, 197, 254, 211, 0, 93, 192,
57, 144, 18, 236, 13, 141, 197,
165, 147, 59, 45, 211, 93, 157, 249, 169, 130, 254, 225, 128, 72, 96,
54, 168, 22, 254, 142, 192, 100, 80,
43, 124, 31, 97, 200, 40, 86, 158, 190, 232, 112, 78, 164, 52, 123, 87,
99, 126, 169, 224, 126, 200, 32,
86, 152, 62, 234, 144, 79, 44, 52, 29, 215, 73, 158, 182, 232, 118,
206, 166, 212, 122, 223, 99, 24, 41,
202, 158, 215, 40, 94, 158, 184, 104, 114, 174, 165, 188, 123, 49, 227,
84, 73, 255, 118, 192, 38, 208, 26,
220, 11, 25, 199, 74, 210, 183, 29, 182, 137, 182, 230, 246, 202, 198,
215, 18, 222, 141, 152, 101, 170, 171,
63, 63, 80, 16, 60, 12, 17, 197, 204, 83, 21, 253, 207, 1, 148, 0, 111,
64, 44, 48, 29, 212, 9,
159, 70, 232, 50, 206, 149, 148, 111, 47, 108, 28, 45, 201, 221, 150,
217, 174, 218, 252, 91, 1, 251, 64,
67, 112, 49, 228, 20, 75, 79, 119, 116, 38, 167, 90, 250, 187, 3, 51,
65, 213, 240, 95, 4, 56, 3,
82, 129, 253, 160, 65, 184, 48, 114, 148, 37, 175, 91, 60, 59, 81, 211,
124, 93, 225, 249, 136, 66, 230,
177, 138, 244, 103, 7, 106, 130, 175, 33, 188, 24, 113, 202, 164, 87,
59, 126, 147, 96, 109, 232, 45, 142,
157, 164, 105, 187, 110, 243, 108, 69, 237, 243, 13, 133, 197, 163, 19,
57, 205, 210, 213, 157, 159, 41, 168,
30, 254, 136, 64, 102, 176, 42, 244, 31, 7, 72, 2, 182, 129, 182, 224,
118, 200, 38, 214, 154, 222, 235,
24, 79, 74, 180, 55, 55, 86, 150, 190, 238, 240, 76, 68, 53, 243, 87,
5, 254, 131, 0, 97, 192, 40,
80, 30, 188, 8, 113, 198, 164, 82, 251, 125, 131, 97, 161, 232, 120,
78, 162, 180, 121, 183, 98, 246, 169,
134, 254, 226, 192, 73, 144, 54, 236, 22, 205, 206, 213, 148, 95, 47,
120, 28, 34, 137, 217, 166, 218, 250,
219, 3, 27, 65, 203, 112, 87, 100, 62, 171, 80, 127, 124, 32, 33, 216,
24, 90, 138, 187, 39, 51, 90,
149, 251, 47, 3, 92, 1, 249, 192, 66, 208, 49, 156, 20, 105, 207, 110,
212, 44, 95, 93, 248, 57, 130,
146, 225, 173, 136, 125, 166, 161, 186, 248, 115, 2, 165, 193, 187, 16,
115, 76, 37, 245, 219, 7, 27, 66,
139, 113, 167, 100, 122, 171, 99, 63, 105, 208, 46, 220, 28, 89, 201,
250, 214, 195, 30, 209, 200, 92, 86,
185, 254, 242, 192, 69, 144, 51, 44, 21, 221, 207, 25, 148, 10, 239,
71, 12, 50, 133, 213, 163, 31, 57,
200, 18, 214, 141, 158, 229, 168, 75, 62, 183, 80, 118, 188, 38, 241,
218, 196, 91, 19, 123, 77, 227, 117,
137, 231, 38, 202, 154, 215, 43, 30, 159, 72, 104, 54, 174, 150, 252,
110, 193, 236, 80, 77, 252, 53, 129,
215, 32, 94, 152, 56, 106, 146, 175, 45, 188, 29, 177, 201, 180, 86,
247, 126, 198, 160, 82, 248, 61, 130,
145, 161, 172, 120, 125, 226, 161, 137, 184, 102, 242, 170, 197, 191,
19, 48, 13, 212, 5, 159, 67, 40, 49,
222, 148, 88, 111, 122, 172, 35, 61, 217, 209, 154, 220, 107, 25, 239,
74, 204, 55, 21, 214, 143, 30, 228,
8, 75, 70, 183, 114, 246, 165, 134, 251, 34, 195, 89, 145, 250, 236,
67, 13, 241, 197, 132, 83, 35, 125,
217, 225, 154, 200, 107, 22, 175, 78, 252, 52, 65, 215, 112, 94, 164,
56, 123, 82, 163, 125, 185, 225, 178,
200, 117, 150, 167, 46, 250, 156, 67, 41, 241, 222, 196, 88, 83, 122,
189, 227, 49, 137, 212, 102, 223, 106,
216, 47, 26, 156, 11, 41, 199, 94, 210, 184, 93, 178, 185, 181, 178,
247, 53, 134, 151, 34, 238, 153, 140,
106, 229, 239, 11, 12, 7, 69, 194, 179, 17, 181, 204, 119, 21, 230,
143, 10, 228, 7, 11, 66, 135, 113,
162, 164, 121, 187, 98, 243, 105, 133, 238, 227, 12, 73, 197, 246, 211,
6, 221, 194, 217, 145, 154, 236, 107,
13, 239, 69, 140, 51, 37, 213, 219, 31, 27, 72, 11, 118, 135, 102, 226,
170, 201, 191, 22, 240, 14, 196,
4, 83, 67, 125, 241, 225, 132, 72, 99, 118, 169, 230, 254, 202, 192,
87, 16, 62, 140, 16, 101, 204, 43,
21, 223, 79, 24, 52, 10, 151, 71, 46, 178, 156, 117, 169, 231, 62, 202,
144, 87, 44, 62, 157, 208, 105,
156, 46, 233, 220, 78, 217, 244, 90, 199, 123, 18, 163, 77, 185, 245,
178, 199, 53, 146, 151, 45, 174, 157,
188, 105, 177, 238, 244, 76, 71, 117, 242, 167, 5, 186, 131, 51, 33,
213, 216, 95, 26, 184, 11, 50, 135,
85, 162, 191, 57, 176, 18, 244, 13, 135, 69, 162, 179, 57, 181, 210,
247, 29, 134, 137, 162, 230, 249, 138,
194, 231, 17, 138, 140, 103, 37, 234, 155, 15, 43, 68, 31, 115, 72, 37,
246, 155, 6, 235, 66, 207, 113,
148, 36, 111, 91, 108, 59, 109, 211, 109, 157, 237, 169, 141, 190, 229,
176, 75, 52, 55, 87, 86, 190, 190,
240, 112, 68, 36, 51, 91, 85, 251, 127, 3, 96, 1, 232, 0, 78, 128, 52,
96, 23, 104, 14, 174, 132,
124, 99, 97, 233, 232, 78, 206, 180, 84, 119, 127, 102, 160, 42, 248,
31, 2, 136, 1, 166, 128, 122, 224,
35, 8, 25, 198, 138, 210, 231, 29, 138, 137, 167, 38, 250, 154, 195,
43, 17, 223, 76, 88, 53, 250, 151,
3, 46, 129, 220, 96, 89, 232, 58, 206, 147, 20, 109, 207, 109, 148, 45,
175, 93, 188, 57, 177, 210, 244,
93, 135, 121, 162, 162, 249, 185, 130, 242, 225, 133, 136, 99, 38, 169,
218, 254, 219, 0, 91, 64, 59, 112,
19, 100, 13, 235, 69, 143, 115, 36, 37, 219, 91, 27, 123, 75, 99, 119,
105, 230, 174, 202, 252, 87, 1,
254, 128, 64, 96, 48, 40, 20, 30, 143, 72, 100, 54, 171, 86, 255, 126,
192, 32, 80, 24, 60, 10, 145,
199, 44, 82, 157, 253, 169, 129, 190, 224, 112, 72, 36, 54, 155, 86,
235, 126, 207, 96, 84, 40, 63, 94,
144, 56, 108, 18, 173, 205, 189, 149, 177, 175, 52, 124, 23, 97, 206,
168, 84, 126, 191, 96, 112, 40, 36,
30, 155, 72, 107, 118, 175, 102, 252, 42, 193, 223, 16, 88, 12, 58,
133, 211, 35, 29, 217, 201, 154, 214,
235, 30, 207, 72, 84, 54, 191, 86, 240, 62, 196, 16, 83, 76, 61, 245,
209, 135, 28, 98, 137, 233, 166,
206, 250, 212, 67, 31, 113, 200, 36, 86, 155, 126, 235, 96, 79, 104,
52, 46, 151, 92, 110, 185, 236, 114,
205, 229, 149, 139, 47, 39, 92, 26, 185, 203, 50, 215, 85, 158, 191,
40, 112, 30, 164, 8, 123, 70, 163,
114, 249, 229, 130, 203, 33, 151, 88, 110, 186, 172, 115, 61, 229, 209,
139, 28, 103, 73, 234, 182, 207, 54,
212, 22, 223, 78, 216, 52, 90, 151, 123, 46, 163, 92, 121, 249, 226,
194, 201, 145, 150, 236, 110, 205, 236,
85, 141, 255, 37, 128, 27, 32, 11, 88, 7, 122, 130, 163, 33, 185, 216,
114, 218, 165, 155, 59, 43, 83,
95, 125, 248, 33, 130, 152, 97, 170, 168, 127, 62, 160, 16, 120, 12,
34, 133, 217, 163, 26, 249, 203, 2,
215, 65, 158, 176, 104, 116, 46, 167, 92, 122, 185, 227, 50, 201, 213,
150, 223, 46, 216, 28, 90, 137, 251,
38, 195, 90, 209, 251, 28, 67, 73, 241, 246, 196, 70, 211, 114, 221,
229, 153,
};
void scramble(unsigned char *inout)
{
unsigned char *r = inout + 12;
unsigned char *s = yellowbook_scrambler;
unsigned int i;
for (i = 2340; i; i--) {
*r++ ^= *s++;
}
}
/* Calculate the P parities for the sector.
* The 43 P vectors of length 24 are combined with the GF8_P_COEFFS.
*/
void parity_p(unsigned char *sector)
{
int i, j;
unsigned char p0_msb, p1_msb;
unsigned char p0_lsb, p1_lsb;
unsigned char *p_msb_start, *p_lsb_start;
unsigned char *p_msb, *p_lsb;
unsigned char *coeffs0, *coeffs1;
unsigned char *p0, *p1;
unsigned char d;
unsigned short c;
p_lsb_start = sector + LEC_HEADER_OFFSET;
p_msb_start = sector + LEC_HEADER_OFFSET + 1;
p1 = sector + LEC_MODE1_P_PARITY_OFFSET;
p0 = sector + LEC_MODE1_P_PARITY_OFFSET + 2 * 43;
for (i = 0; i <= 42; i++) {
p_lsb = p_lsb_start;
p_msb = p_msb_start;
coeffs0 = gf8_p_coeffs[0];
coeffs1 = gf8_p_coeffs[1];
p0_lsb = p1_lsb = p0_msb = p1_msb = 0;
for (j = 0; j <= 23; j++) {
d = *p_lsb;
if (d != 0) {
c = gf8_log[d] + *coeffs0;
if (c >= 255)
c -= 255;
p0_lsb ^= gf8_ilog[c];
c = gf8_log[d] + *coeffs1;
if (c >= 255)
c -= 255;
p1_lsb ^= gf8_ilog[c];
}
d = *p_msb;
if (d != 0) {
c = gf8_log[d] + *coeffs0;
if (c >= 255)
c -= 255;
p0_msb ^= gf8_ilog[c];
c = gf8_log[d] + *coeffs1;
if (c >= 255)
c -= 255;
p1_msb ^= gf8_ilog[c];
}
coeffs0++;
coeffs1++;
p_lsb += 2 * 43;
p_msb += 2 * 43;
}
*p0 = p0_lsb;
*(p0 + 1) = p0_msb;
*p1 = p1_lsb;
*(p1 + 1) = p1_msb;
p0 += 2;
p1 += 2;
p_lsb_start += 2;
p_msb_start += 2;
}
}
/* Calculate the Q parities for the sector.
* The 26 Q vectors of length 43 are combined with the GF8_Q_COEFFS.
*/
void parity_q(unsigned char *sector)
{
int i, j;
unsigned char q0_msb, q1_msb;
unsigned char q0_lsb, q1_lsb;
unsigned char *q_msb_start, *q_lsb_start;
unsigned char *q_msb, *q_lsb;
unsigned char *coeffs0, *coeffs1;
unsigned char *q0, *q1, *q_start;
unsigned char d;
unsigned short c;
q_lsb_start = sector + LEC_HEADER_OFFSET;
q_msb_start = sector + LEC_HEADER_OFFSET + 1;
q_start = sector + LEC_MODE1_Q_PARITY_OFFSET;
q1 = sector + LEC_MODE1_Q_PARITY_OFFSET;
q0 = sector + LEC_MODE1_Q_PARITY_OFFSET + 2 * 26;
for (i = 0; i <= 25; i++) {
q_lsb = q_lsb_start;
q_msb = q_msb_start;
coeffs0 = gf8_q_coeffs[0];
coeffs1 = gf8_q_coeffs[1];
q0_lsb = q1_lsb = q0_msb = q1_msb = 0;
for (j = 0; j <= 42; j++) {
d = *q_lsb;
if (d != 0) {
c = gf8_log[d] + *coeffs0;
if (c >= 255)
c -= 255;
q0_lsb ^= gf8_ilog[c];
c = gf8_log[d] + *coeffs1;
if (c >= 255)
c -= 255;
q1_lsb ^= gf8_ilog[c];
}
d = *q_msb;
if (d != 0) {
c = gf8_log[d] + *coeffs0;
if (c >= 255)
c -= 255;
q0_msb ^= gf8_ilog[c];
c = gf8_log[d] + *coeffs1;
if (c >= 255)
c -= 255;
q1_msb ^= gf8_ilog[c];
}
coeffs0++;
coeffs1++;
q_lsb += 2 * 44;
q_msb += 2 * 44;
if (q_lsb >= q_start) {
q_msb -= 2 * 1118;
q_lsb -= 2 * 1118;
}
}
*q0 = q0_lsb;
*(q0 + 1) = q0_msb;
*q1 = q1_lsb;
*(q1 + 1) = q1_msb;
q0 += 2;
q1 += 2;
q_lsb_start += 2 * 43;
q_msb_start += 2 * 43;
}
}

12
libburn/lec.h Normal file
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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef __LEC
#define __LEC
#define RS_L12_BITS 8
void scramble(unsigned char *);
void parity_p(unsigned char *in);
void parity_q(unsigned char *in);
#endif /* __LEC */

928
libburn/libburn.h Normal file
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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef LIBBURN_H
#define LIBBURN_H
/* Needed for off_t which is the (POSIX-ly) appropriate type for
expressing a file or stream size.
XXX we should enforce 64-bitness for off_t
*/
#include <sys/types.h>
#ifndef DOXYGEN
#if defined(__cplusplus)
#define BURN_BEGIN_DECLS \
namespace burn { \
extern "C" {
#define BURN_END_DECLS \
} \
}
#else
#define BURN_BEGIN_DECLS
#define BURN_END_DECLS
#endif
BURN_BEGIN_DECLS
#endif
/** References a physical drive in the system */
struct burn_drive;
/** References a whole disc */
struct burn_disc;
/** References a single session on a disc */
struct burn_session;
/** References a single track on a disc */
struct burn_track;
/** Session format for normal audio or data discs */
#define BURN_CDROM 0
/** Session format for obsolete CD-I discs */
#define BURN_CDI 0x10
/** Session format for CDROM-XA discs */
#define BURN_CDXA 0x20
#define BURN_POS_END 100
/** Mask for mode bits */
#define BURN_MODE_BITS 127
/** Track mode - mode 0 data
0 bytes of user data. it's all 0s. mode 0. get it? HAH
*/
#define BURN_MODE0 (1 << 0)
/** Track mode - mode "raw" - all 2352 bytes supplied by app
FOR DATA TRACKS ONLY!
*/
#define BURN_MODE_RAW (1 << 1)
/** Track mode - mode 1 data
2048 bytes user data, and all the LEC money can buy
*/
#define BURN_MODE1 (1 << 2)
/** Track mode - mode 2 data
defaults to formless, 2336 bytes of user data, unprotected
| with a data form if required.
*/
#define BURN_MODE2 (1 << 3)
/** Track mode modifier - Form 1, | with MODE2 for reasonable results
2048 bytes of user data, 4 bytes of subheader
*/
#define BURN_FORM1 (1 << 4)
/** Track mode modifier - Form 2, | with MODE2 for reasonable results
lots of user data. not much LEC.
*/
#define BURN_FORM2 (1 << 5)
/** Track mode - audio
2352 bytes per sector. may be | with 4ch or preemphasis.
NOT TO BE CONFUSED WITH BURN_MODE_RAW
*/
#define BURN_AUDIO (1 << 6)
/** Track mode modifier - 4 channel audio. */
#define BURN_4CH (1 << 7)
/** Track mode modifier - Digital copy permitted, can be set on any track.*/
#define BURN_COPY (1 << 8)
/** Track mode modifier - 50/15uS pre-emphasis */
#define BURN_PREEMPHASIS (1 << 9)
/** Input mode modifier - subcodes present packed 16 */
#define BURN_SUBCODE_P16 (1 << 10)
/** Input mode modifier - subcodes present packed 96 */
#define BURN_SUBCODE_P96 (1 << 11)
/** Input mode modifier - subcodes present raw 96 */
#define BURN_SUBCODE_R96 (1 << 12)
/** Possible disc writing style/modes */
enum burn_write_types
{
/** Packet writing.
currently unsupported
*/
BURN_WRITE_PACKET,
/** Track At Once recording.
2s gaps between tracks, no fonky lead-ins
*/
BURN_WRITE_TAO,
/** Session At Once.
block type MUST be BURN_BLOCK_SAO
*/
BURN_WRITE_SAO,
/** Raw disc at once recording.
all subcodes must be provided by lib or user
only raw block types are supported
*/
BURN_WRITE_RAW
};
/** Data format to send to the drive */
enum burn_block_types
{
/** sync, headers, edc/ecc provided by lib/user */
BURN_BLOCK_RAW0 = 1,
/** sync, headers, edc/ecc and p/q subs provided by lib/user */
BURN_BLOCK_RAW16 = 2,
/** sync, headers, edc/ecc and packed p-w subs provided by lib/user */
BURN_BLOCK_RAW96P = 4,
/** sync, headers, edc/ecc and raw p-w subs provided by lib/user */
BURN_BLOCK_RAW96R = 8,
/** only 2048 bytes of user data provided by lib/user */
BURN_BLOCK_MODE1 = 256,
/** 2336 bytes of user data provided by lib/user */
BURN_BLOCK_MODE2R = 512,
/** 2048 bytes of user data provided by lib/user
subheader provided in write parameters
are we ever going to support this shit? I vote no.
(supposed to be supported on all drives...)
*/
BURN_BLOCK_MODE2_PATHETIC = 1024,
/** 2048 bytes of data + 8 byte subheader provided by lib/user
hey, this is also dumb
*/
BURN_BLOCK_MODE2_LAME = 2048,
/** 2324 bytes of data provided by lib/user
subheader provided in write parameters
no sir, I don't like it.
*/
BURN_BLOCK_MODE2_OBSCURE = 4096,
/** 2332 bytes of data supplied by lib/user
8 bytes sub header provided in write parameters
this is the second least suck mode2, and is mandatory for
all drives to support.
*/
BURN_BLOCK_MODE2_OK = 8192,
/** SAO block sizes are based on cue sheet, so use this. */
BURN_BLOCK_SAO = 16384
};
/** Possible status' of the drive in regard to the disc in it. */
enum burn_disc_status
{
/** The current status is not yet known */
BURN_DISC_UNREADY,
/** The drive holds a blank disc */
BURN_DISC_BLANK,
/** There is no disc at all in the drive */
BURN_DISC_EMPTY,
/** There is an incomplete disc in the drive */
BURN_DISC_APPENDABLE,
/** There is a disc with data on it in the drive */
BURN_DISC_FULL
};
/** Possible types of messages form the library. */
enum burn_message_type
{
/** Diagnostic/Process information. For the curious user. */
BURN_MESSAGE_INFO,
/** A warning regarding a possible problem. The user should probably
be notified, but its not fatal. */
BURN_MESSAGE_WARNING,
/** An error message. This usually means the current process will be
aborted, and the user should definately see these. */
BURN_MESSAGE_ERROR
};
/** Possible information messages */
enum burn_message_info
{
BURN_INFO_FOO
};
/** Possible warning messages */
enum burn_message_warning
{
BURN_WARNING_FOO
};
/** Possible error messages */
enum burn_message_error
{
BURN_ERROR_CANCELLED
};
/** Possible data source return values */
enum burn_source_status
{
/** The source is ok */
BURN_SOURCE_OK,
/** The source is at end of file */
BURN_SOURCE_EOF,
/** The source is unusable */
BURN_SOURCE_FAILED
};
/** Possible busy states for a drive */
enum burn_drive_status
{
/** The drive is not in an operation */
BURN_DRIVE_IDLE,
/** The library is spawning the processes to handle a pending
operation (A read/write/etc is about to start but hasn't quite
yet) */
BURN_DRIVE_SPAWNING,
/** The drive is reading data from a disc */
BURN_DRIVE_READING,
/** The drive is writing data to a disc */
BURN_DRIVE_WRITING,
/** The drive is writing Lead-In */
BURN_DRIVE_WRITING_LEADIN,
/** The drive is writing Lead-Out */
BURN_DRIVE_WRITING_LEADOUT,
/** The drive is erasing a disc */
BURN_DRIVE_ERASING,
/** The drive is being grabbed */
BURN_DRIVE_GRABBING
};
/** Information about a track on a disc - this is from the q sub channel of the
lead-in area of a disc. The documentation here is very terse.
See a document such as mmc3 for proper information.
*/
struct burn_toc_entry
{
/** Session the track is in */
unsigned char session;
/** Type of data. for this struct to be valid, it must be 1 */
unsigned char adr;
/** Type of data in the track */
unsigned char control;
/** Zero. Always. Really. */
unsigned char tno;
/** Track number or special information */
unsigned char point;
unsigned char min;
unsigned char sec;
unsigned char frame;
unsigned char zero;
/** Track start time minutes for normal tracks */
unsigned char pmin;
/** Track start time seconds for normal tracks */
unsigned char psec;
/** Track start time frames for normal tracks */
unsigned char pframe;
};
/** Data source for tracks */
struct burn_source {
/** Reference count for the data source. Should be 1 when a new source
is created. Increment it to take a reference for yourself. Use
burn_source_free to destroy your reference to it. */
int refcount;
/** Read data from the source */
int (*read)(struct burn_source *,
unsigned char *buffer,
int size);
/** Read subchannel data from the source (NULL if lib generated) */
int (*read_sub)(struct burn_source *,
unsigned char *buffer,
int size);
/** Get the size of the source's data */
off_t (*get_size)(struct burn_source *);
/** Clean up the source specific data */
void (*free_data)(struct burn_source *);
/** Next source, for when a source runs dry and padding is disabled
THIS IS AUTOMATICALLY HANDLED, DO NOT TOUCH
*/
struct burn_source *next;
/** Source specific data */
void *data;
};
/** Information on a drive in the system */
struct burn_drive_info
{
/** Name of the vendor of the drive */
char vendor[9];
/** Name of the drive */
char product[17];
/** Revision of the drive */
char revision[5];
/** Location of the drive in the filesystem. */
char location[17];
/** Can the drive read DVD-RAM discs */
unsigned int read_dvdram:1;
/** Can the drive read DVD-R discs */
unsigned int read_dvdr:1;
/** Can the drive read DVD-ROM discs */
unsigned int read_dvdrom:1;
/** Can the drive read CD-R discs */
unsigned int read_cdr:1;
/** Can the drive read CD-RW discs */
unsigned int read_cdrw:1;
/** Can the drive write DVD-RAM discs */
unsigned int write_dvdram:1;
/** Can the drive write DVD-R discs */
unsigned int write_dvdr:1;
/** Can the drive write CD-R discs */
unsigned int write_cdr:1;
/** Can the drive write CD-RW discs */
unsigned int write_cdrw:1;
/** Can the drive simulate a write */
unsigned int write_simulate:1;
/** Can the drive report C2 errors */
unsigned int c2_errors:1;
/** The size of the drive's buffer (in kilobytes) */
int buffer_size;
/**
* The supported block types in tao mode.
* They should be tested with the desired block type.
* See also burn_block_types.
*/
int tao_block_types;
/**
* The supported block types in sao mode.
* They should be tested with the desired block type.
* See also burn_block_types.
*/
int sao_block_types;
/**
* The supported block types in raw mode.
* They should be tested with the desired block type.
* See also burn_block_types.
*/
int raw_block_types;
/**
* The supported block types in packet mode.
* They should be tested with the desired block type.
* See also burn_block_types.
*/
int packet_block_types;
/** The value by which this drive can be indexed when using functions
in the library. This is the value to pass to all libbburn functions
that operate on a drive. */
struct burn_drive *drive;
};
/** Messages from the library */
struct burn_message
{
/** The drive associated with the message. NULL if the error is not
related to a specific drive. */
struct burn_drive *drive;
/** The type of message this is. See message_type for details. */
enum burn_message_type type;
/** The actual message */
union detail {
struct {
enum burn_message_info message;
} info;
struct {
enum burn_message_warning message;
} warning;
struct {
enum burn_message_error message;
} error;
} detail;
};
/** Operation progress report. All values are 0 based indices.
* */
struct burn_progress {
/** The total number of sessions */
int sessions;
/** Current session.*/
int session;
/** The total number of tracks */
int tracks;
/** Current track. */
int track;
/** The total number of indices */
int indices;
/** Curent index. */
int index;
/** The starting logical block address */
int start_sector;
/** The number of sector */
int sectors;
/** The current sector being processed */
int sector;
};
/** Initialize the library.
This must be called before using any other functions in the library. It
may be called more than once with no effect.
If is possible to 'restart' the library by shutting it down and
re-initializing it, though there is no good reason to do that.
@return Nonzero if the library was able to initialize; zero if
initialization failed.
*/
int burn_initialize(void);
/** Shutdown the library.
This should be called before exiting your application. Make sure that all
drives you have grabbed are released <i>before</i> calling this.
*/
void burn_finish(void);
/** Set the verbosity level of the library. The default value is 0, which means
that nothing is output on stderr. The more you increase this, the more
debug output should be displayed on stderr for you.
@param level The verbosity level desired. 0 for nothing, higher positive
values for more information output.
*/
void burn_set_verbosity(int level);
/** Returns a newly allocated burn_message structure. This message should be
freed with burn_message_free() when you are finished with it.
@return A message or NULL when there are no more messages to retrieve.
*/
struct burn_message* burn_get_message(void);
/** Frees a burn_message structure */
void burn_message_free(struct burn_message *msg);
/** Scans for drives. This function MUST be called until it returns nonzero.
No drives can be in use when this is called or it will assert.
All drive pointers are invalidated by using this function. Do NOT store
drive pointers across calls to this function or death AND pain will ensue.
When the app is done with the burn_drive_info array, it must be freed with
burn_drive_info_free()
@param drives Returns an array of drives (cdroms/burners). The returned
array should be freed when it is no longer needed, and
before calling this function again to rescan.
@param n_drives Returns the number of hardware drives in @c drives.
@return Zero while scanning is not complete; non-zero when it is finished.
*/
int burn_drive_scan(struct burn_drive_info *drives[],
unsigned int *n_drives);
/** Frees a burn_drive_info array returned by burn_drive_scan
@param info The array to free
*/
void burn_drive_info_free(struct burn_drive_info *info);
/** Grab a drive. This must be done before the drive can be used (for reading,
writing, etc). It may be neccesary to call this function more than once
to grab a drive. See burn_grab for details.
@param drive The drive to grab. This is found in a returned
burn_drive_info struct.
@param load Nonzero to make the drive attempt to load a disc (close its
tray door, etc).
@return 1 if the drive has been grabbed, else 0
*/
int burn_drive_grab(struct burn_drive *drive, int load);
/** Release a drive. This should not be done until the drive is no longer
busy (see burn_drive_get_status).
@param drive The drive to release.
@param eject Nonzero to make the drive eject the disc in it.
*/
void burn_drive_release(struct burn_drive *drive, int eject);
/** Returns what kind of disc a drive is holding. This function may need to be
called more than once to get a proper status from it. See burn_status
for details.
@param drive The drive to query for a disc.
@return The status of the drive, or what kind of disc is in it.
*/
enum burn_disc_status burn_disc_get_status(struct burn_drive *drive);
/** Tells whether a disc can be erased or not
@return Non-zero means erasable
*/
int burn_disc_erasable(struct burn_drive *d);
/** Returns the progress and status of a drive.
@param drive The drive to query busy state for.
@param p Returns the progress of the operation, NULL if you don't care
@return the current status of the drive. See also burn_drive_status.
*/
enum burn_drive_status burn_drive_get_status(struct burn_drive *drive,
struct burn_progress *p);
/** Creates a write_opts struct for burning to the specified drive
must be freed with burn_write_opts_free
@param drive The drive to write with
@return The write_opts
*/
struct burn_write_opts *burn_write_opts_new(struct burn_drive *drive);
/** Frees a write_opts struct created with burn_write_opts_new
@param opts write_opts to free
*/
void burn_write_opts_free(struct burn_write_opts *opts);
/** Creates a write_opts struct for reading from the specified drive
must be freed with burn_write_opts_free
@param drive The drive to read from
@return The read_opts
*/
struct burn_read_opts *burn_read_opts_new(struct burn_drive *drive);
/** Frees a read_opts struct created with burn_read_opts_new
@param opts write_opts to free
*/
void burn_read_opts_free(struct burn_read_opts *opts);
/** Erase a disc in the drive. The drive must be grabbed successfully BEFORE
calling this functions. Always ensure that the drive reports a status of
BURN_DISC_FULL before calling this function. An erase operation is not
cancellable, as control of the operation is passed wholly to the drive and
there is no way to interrupt it safely.
@param drive The drive with which to erase a disc.
@param fast Nonzero to do a fast erase, where only the disc's headers are
erased; zero to erase the entire disc.
*/
void burn_disc_erase(struct burn_drive *drive, int fast);
/** Read a disc from the drive and write it to an fd pair. The drive must be
grabbed successfully BEFORE calling this function. Always ensure that the
drive reports a status of BURN_DISC_FULL before calling this function.
@param drive The drive from which to read a disc.
@param o The options for the read operation.
*/
void burn_disc_read(struct burn_drive *drive, const struct burn_read_opts *o);
/** Write a disc in the drive. The drive must be grabbed successfully BEFORE
calling this function. Always ensure that the drive reports a status of
BURN_DISC_BLANK or BURN_STATUS_FULL (to append a new session to the
disc) before calling this function.
@param o The options for the writing operation.
@param disc The struct burn_disc * that described the disc to be created
*/
void burn_disc_write(struct burn_write_opts *o, struct burn_disc *disc);
/** Cancel an operation on a drive.
This will only work when the drive's busy state is BURN_DRIVE_READING or
BURN_DRIVE_WRITING.
@param drive The drive on which to cancel the current operation.
*/
void burn_drive_cancel(struct burn_drive *drive);
/** Convert a minute-second-frame (MSF) value to sector count
@param m Minute component
@param s Second component
@param f Frame component
@return The sector count
*/
int burn_msf_to_sectors(int m, int s, int f);
/** Convert a sector count to minute-second-frame (MSF)
@param sectors The sector count
@param m Returns the minute component
@param s Returns the second component
@param f Returns the frame component
*/
void burn_sectors_to_msf(int sectors, int *m, int *s, int *f);
/** Convert a minute-second-frame (MSF) value to an lba
@param m Minute component
@param s Second component
@param f Frame component
@return The lba
*/
int burn_msf_to_lba(int m, int s, int f);
/** Convert an lba to minute-second-frame (MSF)
@param lba The lba
@param m Returns the minute component
@param s Returns the second component
@param f Returns the frame component
*/
void burn_lba_to_msf(int lba, int *m, int *s, int *f);
/** Create a new disc (for DAO recording)*/
struct burn_disc *burn_disc_create(void);
/** Delete disc and decrease the reference count on all its sessions
@param d The disc to be freed
*/
void burn_disc_free(struct burn_disc *d);
/** Create a new session (For SAO at once recording, or to be added to a
disc for DAO)
*/
struct burn_session *burn_session_create(void);
/** Free a session (and decrease reference count on all tracks inside)
@param s Session to be freed
*/
void burn_session_free(struct burn_session *s);
/** Add a session to a disc at a specific position, increasing the
sessions's reference count.
@param d Disc to add the session to
@param s Session to add to the disc
@param pos position to add at (BURN_POS_END is "at the end")
@return 0 for failure, 1 for success
*/
int burn_disc_add_session(struct burn_disc *d, struct burn_session *s,
unsigned int pos);
/** Remove a session from a disc
@param d Disc to remove session from
@param s Session pointer to find and remove
*/
int burn_disc_remove_session(struct burn_disc *d, struct burn_session *s);
/** Create a track (for TAO recording, or to put in a session) */
struct burn_track *burn_track_create(void);
/** Free a track
@param t Track to free
*/
void burn_track_free(struct burn_track *t);
/** Add a track to a session at specified position
@param s Session to add to
@param t Track to insert in session
@param pos position to add at (BURN_POS_END is "at the end")
@return 0 for failure, 1 for success
*/
int burn_session_add_track(struct burn_session *s, struct burn_track *t,
unsigned int pos);
/** Remove a track from a session
@param s Session to remove track from
@param t Track pointer to find and remove
@return 0 for failure, 1 for success
*/
int burn_session_remove_track(struct burn_session *s, struct burn_track *t);
/** Define the data in a track
@param t the track to define
@param offset The lib will write this many 0s before start of data
@param tail The number of extra 0s to write after data
@param pad 1 means the lib should pad the last sector with 0s if the
track isn't exactly sector sized. (otherwise the lib will
begin reading from the next track)
@param mode data format (bitfield)
*/
void burn_track_define_data(struct burn_track *t, int offset, int tail,
int pad, int mode);
/** Set the ISRC details for a track
@param t The track to change
@param country the 2 char country code. Each character must be
only numbers or letters.
@param owner 3 char owner code. Each character must be only numbers
or letters.
@param year 2 digit year. A number in 0-99 (Yep, not Y2K friendly).
@param serial 5 digit serial number. A number in 0-99999.
*/
void burn_track_set_isrc(struct burn_track *t, char *country, char *owner,
unsigned char year, unsigned int serial);
/** Disable ISRC parameters for a track
@param t The track to change
*/
void burn_track_clear_isrc(struct burn_track *t);
/** Hide the first track in the "pre gap" of the disc
@param s session to change
@param onoff 1 to enable hiding, 0 to disable
*/
void burn_session_hide_first_track(struct burn_session *s, int onoff);
/** Get the drive's disc struct - free when done
@param d drive to query
@return the disc struct
*/
struct burn_disc *burn_drive_get_disc(struct burn_drive *d);
/** Set the track's data source
@param t The track to set the data source for
@param s The data source to use for the contents of the track
@return An error code stating if the source is ready for use for
writing the track, or if an error occured
*/
enum burn_source_status burn_track_set_source(struct burn_track *t,
struct burn_source *s);
/** Free a burn_source (decrease its refcount and maybe free it)
@param s Source to free
*/
void burn_source_free(struct burn_source *s);
/** Creates a data source for an image file (and maybe subcode file) */
struct burn_source *burn_file_source_new(const char *path,
const char *subpath);
/** Creates a data source for an image file (resp. a track) from an open
readable filedescriptor, an eventually open readable subcodes file
descriptor and eventually a fixed size in bytes.
@param datafd The source of data.
@param subfd The eventual source for subcodes. Not used if -1.
@param size The eventual fixed size of eventually both fds.
If this value is 0, the size will be determined from datafd.
*/
struct burn_source *burn_fd_source_new(int datafd, int subfd, off_t size);
/** Tells how long a track will be on disc */
int burn_track_get_sectors(struct burn_track *);
/** Sets drive read and write speed
@param d The drive to set speed for
@param read Read speed in k/s (0 is max)
@param write Write speed in k/s (0 is max)
*/
void burn_drive_set_speed(struct burn_drive *d, int read, int write);
/* these are for my debugging, they will disappear */
void burn_structure_print_disc(struct burn_disc *d);
void burn_structure_print_session(struct burn_session *s);
void burn_structure_print_track(struct burn_track *t);
/** Sets the write type for the write_opts struct
@param opts The write opts to change
@param write_type The write type to use
@param block_type The block type to use
@return Returns 1 on success and 0 on failure.
*/
int burn_write_opts_set_write_type(struct burn_write_opts *opts,
enum burn_write_types write_type,
int block_type);
/** Supplies toc entries for writing - not normally required for cd mastering
@param opts The write opts to change
@param count The number of entries
@param toc_entries
*/
void burn_write_opts_set_toc_entries(struct burn_write_opts *opts,
int count,
struct burn_toc_entry *toc_entries);
/** Sets the session format for a disc
@param opts The write opts to change
@param format The session format to set
*/
void burn_write_opts_set_format(struct burn_write_opts *opts, int format);
/** Sets the simulate value for the write_opts struct
@param opts The write opts to change
@param sim If non-zero, the drive will perform a simulation instead of a burn
@return Returns 1 on success and 0 on failure.
*/
int burn_write_opts_set_simulate(struct burn_write_opts *opts, int sim);
/** Controls buffer underrun prevention
@param opts The write opts to change
@param underrun_proof if non-zero, buffer underrun protection is enabled
@return Returns 1 on success and 0 on failure.
*/
int burn_write_opts_set_underrun_proof(struct burn_write_opts *opts,
int underrun_proof);
/** Sets whether to use opc or not with the write_opts struct
@param opts The write opts to change
@param opc If non-zero, optical power calibration will be performed at
start of burn
*/
void burn_write_opts_set_perform_opc(struct burn_write_opts *opts, int opc);
void burn_write_opts_set_has_mediacatalog(struct burn_write_opts *opts, int has_mediacatalog);
void burn_write_opts_set_mediacatalog(struct burn_write_opts *opts, unsigned char mediacatalog[13]);
/** Sets whether to read in raw mode or not
@param opts The read opts to change
@param raw_mode If non-zero, reading will be done in raw mode, so that everything in the data tracks on the
disc is read, including headers.
*/
void burn_read_opts_set_raw(struct burn_read_opts *opts, int raw_mode);
/** Sets whether to report c2 errors or not
@param opts The read opts to change
@param c2errors If non-zero, report c2 errors.
*/
void burn_read_opts_set_c2errors(struct burn_read_opts *opts, int c2errors);
/** Sets whether to read subcodes from audio tracks or not
@param opts The read opts to change
@param subcodes_audio If non-zero, read subcodes from audio tracks on the disc.
*/
void burn_read_opts_read_subcodes_audio(struct burn_read_opts *opts,
int subcodes_audio);
/** Sets whether to read subcodes from data tracks or not
@param opts The read opts to change
@param subcodes_data If non-zero, read subcodes from data tracks on the disc.
*/
void burn_read_opts_read_subcodes_data(struct burn_read_opts *opts,
int subcodes_data);
/** Sets whether to recover errors if possible
@param opts The read opts to change
@param hardware_error_recovery If non-zero, attempt to recover errors if possible.
*/
void burn_read_opts_set_hardware_error_recovery(struct burn_read_opts *opts,
int hardware_error_recovery);
/** Sets whether to report recovered errors or not
@param opts The read opts to change
@param report_recovered_errors If non-zero, recovered errors will be reported.
*/
void burn_read_opts_report_recovered_errors(struct burn_read_opts *opts,
int report_recovered_errors);
/** Sets whether blocks with unrecoverable errors should be read or not
@param opts The read opts to change
@param transfer_damaged_blocks If non-zero, blocks with unrecoverable errors will still be read.
*/
void burn_read_opts_transfer_damaged_blocks(struct burn_read_opts *opts,
int transfer_damaged_blocks);
/** Sets the number of retries to attempt when trying to correct an error
@param opts The read opts to change
@param hardware_error_retries The number of retries to attempt when correcting an error.
*/
void burn_read_opts_set_hardware_error_retries(struct burn_read_opts *opts,
unsigned char hardware_error_retries);
/** Gets the maximum write speed for a drive
@param d Drive to query
@return Maximum write speed in K/s
*/
int burn_drive_get_write_speed(struct burn_drive *d);
/** Gets the maximum read speed for a drive
@param d Drive to query
@return Maximum read speed in K/s
*/
int burn_drive_get_read_speed(struct burn_drive *d);
/** Gets a copy of the toc_entry structure associated with a track
@param t Track to get the entry from
@param entry Struct for the library to fill out
*/
void burn_track_get_entry(struct burn_track *t, struct burn_toc_entry *entry);
/** Gets a copy of the toc_entry structure associated with a session's lead out
@param s Session to get the entry from
@param entry Struct for the library to fill out
*/
void burn_session_get_leadout_entry(struct burn_session *s,
struct burn_toc_entry *entry);
/** Gets an array of all the sessions for the disc
THIS IS NO LONGER VALID AFTER YOU ADD OR REMOVE A SESSION
@param d Disc to get session array for
@param num Returns the number of sessions in the array
@return array of sessions
*/
struct burn_session **burn_disc_get_sessions(struct burn_disc *d,
int *num);
int burn_disc_get_sectors(struct burn_disc *d);
/** Gets an array of all the tracks for a session
THIS IS NO LONGER VALID AFTER YOU ADD OR REMOVE A TRACK
@param s session to get track array for
@param num Returns the number of tracks in the array
@return array of tracks
*/
struct burn_track **burn_session_get_tracks(struct burn_session *s,
int *num);
int burn_session_get_sectors(struct burn_session *s);
/** Gets the mode of a track
@param track the track to query
@return the track's mode
*/
int burn_track_get_mode(struct burn_track *track);
/** Returns whether the first track of a session is hidden in the pregap
@param session the session to query
@return non-zero means the first track is hidden
*/
int burn_session_get_hidefirst(struct burn_session *session);
/** Returns the library's version in its parts
@param major The major version number
@param minor The minor version number
@param micro The micro version number
*/
void burn_version(int *major, int *minor, int *micro);
#ifndef DOXYGEN
BURN_END_DECLS
#endif
#endif /*LIBBURN_H*/

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#include "message.h"
#include "libburn.h"
#include "debug.h"
#include <stdlib.h>
struct message_list
{
struct message_list *next;
struct burn_message *msg;
};
static struct message_list *queue;
void burn_message_free(struct burn_message *msg)
{
free(msg);
}
void burn_message_clear_queue(void)
{
struct burn_message *msg;
if ((msg = burn_get_message())) {
burn_print(0,
"YOU HAVE MESSAGES QUEUED FROM THE LAST OPERATION. "
"YOU SHOULD BE GRABBING THEM ALL!\n");
do {
burn_message_free(msg);
} while ((msg = burn_get_message()));
}
}
struct burn_message *burn_get_message()
{
struct burn_message *msg = NULL;
if (queue) {
struct message_list *next;
next = queue->next;
msg = queue->msg;
free(queue);
queue = next;
}
return msg;
}
static void queue_push_tail(struct burn_message *msg)
{
struct message_list *node;
node = malloc(sizeof(struct message_list));
node->next = NULL;
node->msg = msg;
if (!queue)
queue = node;
else {
struct message_list *it;
for (it = queue; it->next; it = it->next) ;
it->next = node;
}
}
void burn_message_info_new(struct burn_drive *drive,
enum burn_message_info message)
{
struct burn_message *msg;
msg = malloc(sizeof(struct burn_message));
msg->drive = drive;
msg->type = BURN_MESSAGE_INFO;
msg->detail.info.message = message;
queue_push_tail(msg);
}
void burn_message_warning_new(struct burn_drive *drive,
enum burn_message_info message)
{
struct burn_message *msg;
msg = malloc(sizeof(struct burn_message));
msg->drive = drive;
msg->type = BURN_MESSAGE_WARNING;
msg->detail.warning.message = message;
queue_push_tail(msg);
}
void burn_message_error_new(struct burn_drive *drive,
enum burn_message_info message)
{
struct burn_message *msg;
msg = malloc(sizeof(struct burn_message));
msg->drive = drive;
msg->type = BURN_MESSAGE_ERROR;
msg->detail.error.message = message;
queue_push_tail(msg);
}

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef __MESSAGE
#define __MESSAGE
#include "libburn.h"
void burn_message_clear_queue(void);
void burn_message_info_new(struct burn_drive *drive,
enum burn_message_info message);
void burn_message_warning_new(struct burn_drive *drive,
enum burn_message_info message);
void burn_message_error_new(struct burn_drive *drive,
enum burn_message_info message);
#endif

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <pthread.h>
#include "error.h"
#include "sector.h"
#include "libburn.h"
#include "transport.h"
#include "mmc.h"
#include "spc.h"
#include "drive.h"
#include "debug.h"
#include "toc.h"
#include "structure.h"
#include "options.h"
static unsigned char MMC_GET_TOC[] = { 0x43, 2, 2, 0, 0, 0, 0, 16, 0, 0 };
static unsigned char MMC_GET_ATIP[] = { 0x43, 2, 4, 0, 0, 0, 0, 16, 0, 0 };
static unsigned char MMC_GET_DISC_INFO[] =
{ 0x51, 0, 0, 0, 0, 0, 0, 16, 0, 0 };
static unsigned char MMC_READ_CD[] = { 0xBE, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
static unsigned char MMC_ERASE[] = { 0xA1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
static unsigned char MMC_SEND_OPC[] = { 0x54, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
static unsigned char MMC_SET_SPEED[] =
{ 0xBB, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
static unsigned char MMC_WRITE_12[] =
{ 0xAA, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
static unsigned char MMC_WRITE_10[] = { 0x2A, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
static unsigned char MMC_GET_CONFIGURATION[] =
{ 0x46, 0, 0, 0, 0, 0, 16, 0, 0 };
static unsigned char MMC_SYNC_CACHE[] = { 0x35, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
static unsigned char MMC_GET_EVENT[] = { 0x4A, 1, 0, 0, 16, 0, 0, 0, 8, 0 };
static unsigned char MMC_CLOSE[] = { 0x5B, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
static unsigned char MMC_TRACK_INFO[] = { 0x52, 0, 0, 0, 0, 0, 0, 16, 0, 0 };
static unsigned char MMC_SEND_CUE_SHEET[] =
{ 0x5D, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
void mmc_send_cue_sheet(struct burn_drive *d, struct cue_sheet *s)
{
struct buffer buf;
struct command c;
c.retry = 1;
c.oplen = sizeof(MMC_SEND_CUE_SHEET);
memcpy(c.opcode, MMC_SEND_CUE_SHEET, sizeof(MMC_SEND_CUE_SHEET));
c.page = &buf;
c.page->bytes = s->count * 8;
c.page->sectors = 0;
c.opcode[6] = (c.page->bytes >> 16) & 0xFF;
c.opcode[7] = (c.page->bytes >> 8) & 0xFF;
c.opcode[8] = c.page->bytes & 0xFF;
c.dir = TO_DRIVE;
memcpy(c.page->data, s->data, c.page->bytes);
d->issue_command(d, &c);
}
int mmc_get_nwa(struct burn_drive *d)
{
struct buffer buf;
struct command c;
unsigned char *data;
c.retry = 1;
c.oplen = sizeof(MMC_TRACK_INFO);
memcpy(c.opcode, MMC_TRACK_INFO, sizeof(MMC_TRACK_INFO));
c.opcode[1] = 1;
c.opcode[5] = 0xFF;
c.page = &buf;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
data = c.page->data;
return (data[12] << 24) + (data[13] << 16)
+ (data[14] << 8) + data[15];
}
void mmc_close_disc(struct burn_drive *d, struct burn_write_opts *o)
{
assert(o->drive == d);
o->multi = 0;
spc_select_write_params(d, o);
mmc_close(d, 1, 0);
}
void mmc_close_session(struct burn_drive *d, struct burn_write_opts *o)
{
assert(o->drive == d);
o->multi = 3;
spc_select_write_params(d, o);
mmc_close(d, 1, 0);
}
void mmc_close(struct burn_drive *d, int session, int track)
{
struct command c;
c.retry = 1;
c.oplen = sizeof(MMC_CLOSE);
memcpy(c.opcode, MMC_CLOSE, sizeof(MMC_CLOSE));
c.opcode[2] = session | !!track;
c.opcode[4] = track >> 8;
c.opcode[5] = track & 0xFF;
c.page = NULL;
c.dir = NO_TRANSFER;
d->issue_command(d, &c);
}
void mmc_get_event(struct burn_drive *d)
{
struct buffer buf;
struct command c;
c.retry = 1;
c.oplen = sizeof(MMC_GET_EVENT);
memcpy(c.opcode, MMC_GET_EVENT, sizeof(MMC_GET_EVENT));
c.page = &buf;
c.page->bytes = 0;
c.page->sectors = 0;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
burn_print(12, "0x%x:0x%x:0x%x:0x%x\n",
c.page->data[0], c.page->data[1], c.page->data[2],
c.page->data[3]);
burn_print(12, "event: %d:%d:%d:%d\n", c.page->data[4],
c.page->data[5], c.page->data[6], c.page->data[7]);
}
void mmc_write_12(struct burn_drive *d, int start, struct buffer *buf)
{
struct command c;
int len;
len = buf->sectors;
assert(buf->bytes >= buf->sectors); /* can be == at 0... */
burn_print(100, "trying to write %d at %d\n", len, start);
memcpy(c.opcode, MMC_WRITE_12, sizeof(MMC_WRITE_12));
c.retry = 1;
c.oplen = sizeof(MMC_WRITE_12);
c.opcode[2] = start >> 24;
c.opcode[3] = (start >> 16) & 0xFF;
c.opcode[4] = (start >> 8) & 0xFF;
c.opcode[5] = start & 0xFF;
c.opcode[6] = len >> 24;
c.opcode[7] = (len >> 16) & 0xFF;
c.opcode[8] = (len >> 8) & 0xFF;
c.opcode[9] = len & 0xFF;
c.page = buf;
c.dir = TO_DRIVE;
d->issue_command(d, &c);
}
int mmc_write(struct burn_drive *d, int start, struct buffer *buf)
{
int cancelled;
struct command c;
int len;
pthread_mutex_lock(&d->access_lock);
cancelled = d->cancel;
pthread_mutex_unlock(&d->access_lock);
if (cancelled)
return BE_CANCELLED;
len = buf->sectors;
assert(buf->bytes >= buf->sectors); /* can be == at 0... */
burn_print(100, "trying to write %d at %d\n", len, start);
memcpy(c.opcode, MMC_WRITE_10, sizeof(MMC_WRITE_10));
c.retry = 1;
c.oplen = sizeof(MMC_WRITE_10);
c.opcode[2] = start >> 24;
c.opcode[3] = (start >> 16) & 0xFF;
c.opcode[4] = (start >> 8) & 0xFF;
c.opcode[5] = start & 0xFF;
c.opcode[6] = 0;
c.opcode[7] = (len >> 8) & 0xFF;
c.opcode[8] = len & 0xFF;
c.page = buf;
c.dir = TO_DRIVE;
/*
burn_print(12, "%d, %d, %d, %d - ", c->opcode[2], c->opcode[3], c->opcode[4], c->opcode[5]);
burn_print(12, "%d, %d, %d, %d\n", c->opcode[6], c->opcode[7], c->opcode[8], c->opcode[9]);
*/
/* write(fileno(stderr), c.page->data, c.page->bytes);*/
d->issue_command(d, &c);
return 0;
}
void mmc_read_toc(struct burn_drive *d)
{
/* read full toc, all sessions, in m/s/f form, 4k buffer */
struct burn_track *track;
struct burn_session *session;
struct buffer buf;
struct command c;
int dlen;
int i;
unsigned char *tdata;
memcpy(c.opcode, MMC_GET_TOC, sizeof(MMC_GET_TOC));
c.retry = 1;
c.oplen = sizeof(MMC_GET_TOC);
c.page = &buf;
c.page->bytes = 0;
c.page->sectors = 0;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
if (c.error) {
d->busy = BURN_DRIVE_IDLE;
return;
}
dlen = c.page->data[0] * 256 + c.page->data[1];
d->toc_entries = (dlen - 2) / 11;
/*
some drives fail this check.
assert(((dlen - 2) % 11) == 0);
*/
d->toc_entry = malloc(d->toc_entries * sizeof(struct burn_toc_entry));
tdata = c.page->data + 4;
burn_print(12, "TOC:\n");
d->disc = burn_disc_create();
for (i = 0; i < c.page->data[3]; i++) {
session = burn_session_create();
burn_disc_add_session(d->disc, session, BURN_POS_END);
burn_session_free(session);
}
for (i = 0; i < d->toc_entries; i++, tdata += 11) {
burn_print(12, "S %d, PT %d, TNO %d : ", tdata[0], tdata[3],
tdata[2]);
burn_print(12, "(%d:%d:%d)", tdata[8], tdata[9], tdata[10]);
burn_print(12, "A(%d:%d:%d)", tdata[4], tdata[5], tdata[6]);
burn_print(12, " - control %d, adr %d\n", tdata[1] & 0xF,
tdata[1] >> 4);
if (tdata[3] == 1) {
if (burn_msf_to_lba(tdata[8], tdata[9], tdata[10])) {
d->disc->session[0]->hidefirst = 1;
track = burn_track_create();
burn_session_add_track(d->disc->
session[tdata[0] - 1],
track, BURN_POS_END);
burn_track_free(track);
}
}
if (tdata[3] < 100) {
track = burn_track_create();
burn_session_add_track(d->disc->session[tdata[0] - 1],
track, BURN_POS_END);
track->entry = &d->toc_entry[i];
burn_track_free(track);
}
d->toc_entry[i].session = tdata[0];
d->toc_entry[i].adr = tdata[1] >> 4;
d->toc_entry[i].control = tdata[1] & 0xF;
d->toc_entry[i].tno = tdata[2];
d->toc_entry[i].point = tdata[3];
d->toc_entry[i].min = tdata[4];
d->toc_entry[i].sec = tdata[5];
d->toc_entry[i].frame = tdata[6];
d->toc_entry[i].zero = tdata[7];
d->toc_entry[i].pmin = tdata[8];
d->toc_entry[i].psec = tdata[9];
d->toc_entry[i].pframe = tdata[10];
if (tdata[3] == 0xA0)
d->disc->session[tdata[0] - 1]->firsttrack = tdata[8];
if (tdata[3] == 0xA1)
d->disc->session[tdata[0] - 1]->lasttrack = tdata[8];
if (tdata[3] == 0xA2)
d->disc->session[tdata[0] - 1]->leadout_entry =
&d->toc_entry[i];
}
if (d->status != BURN_DISC_APPENDABLE)
d->status = BURN_DISC_FULL;
toc_find_modes(d);
}
void mmc_read_disc_info(struct burn_drive *d)
{
struct buffer buf;
unsigned char *data;
struct command c;
memcpy(c.opcode, MMC_GET_DISC_INFO, sizeof(MMC_GET_DISC_INFO));
c.retry = 1;
c.oplen = sizeof(MMC_GET_DISC_INFO);
c.page = &buf;
c.page->sectors = 0;
c.page->bytes = 0;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
if (c.error) {
d->busy = BURN_DRIVE_IDLE;
return;
}
data = c.page->data;
d->erasable = !!(data[2] & 16);
switch (data[2] & 3) {
case 0:
d->toc_entries = 0;
d->start_lba = burn_msf_to_lba(data[17], data[18], data[19]);
d->end_lba = burn_msf_to_lba(data[21], data[22], data[23]);
d->status = BURN_DISC_BLANK;
break;
case 1:
d->status = BURN_DISC_APPENDABLE;
case 2:
mmc_read_toc(d);
break;
}
}
void mmc_read_atip(struct burn_drive *d)
{
struct buffer buf;
struct command c;
memcpy(c.opcode, MMC_GET_ATIP, sizeof(MMC_GET_ATIP));
c.retry = 1;
c.oplen = sizeof(MMC_GET_ATIP);
c.page = &buf;
c.page->bytes = 0;
c.page->sectors = 0;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
burn_print(1, "atip shit for you\n");
}
void mmc_read_sectors(struct burn_drive *d,
int start,
int len,
const struct burn_read_opts *o, struct buffer *buf)
{
int temp;
int errorblock, req;
struct command c;
assert(len >= 0);
/* if the drive isn't busy, why the hell are we here? */
assert(d->busy);
burn_print(12, "reading %d from %d\n", len, start);
memcpy(c.opcode, MMC_READ_CD, sizeof(MMC_READ_CD));
c.retry = 1;
c.oplen = sizeof(MMC_READ_CD);
temp = start;
c.opcode[5] = temp & 0xFF;
temp >>= 8;
c.opcode[4] = temp & 0xFF;
temp >>= 8;
c.opcode[3] = temp & 0xFF;
temp >>= 8;
c.opcode[2] = temp & 0xFF;
c.opcode[8] = len & 0xFF;
len >>= 8;
c.opcode[7] = len & 0xFF;
len >>= 8;
c.opcode[6] = len & 0xFF;
req = 0xF8;
if (d->busy == BURN_DRIVE_GRABBING || o->report_recovered_errors)
req |= 2;
c.opcode[10] = 0;
/* always read the subcode, throw it away later, since we don't know
what we're really reading
*/
if (d->busy == BURN_DRIVE_GRABBING || (o->subcodes_audio)
|| (o->subcodes_data))
c.opcode[10] = 1;
c.opcode[9] = req;
c.page = buf;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
if (c.error) {
burn_print(12, "got an error over here\n");
burn_print(12, "%d, %d, %d, %d\n", c.sense[3], c.sense[4],
c.sense[5], c.sense[6]);
errorblock =
(c.sense[3] << 24) + (c.sense[4] << 16) +
(c.sense[5] << 8) + c.sense[6];
c.page->sectors = errorblock - start + 1;
burn_print(1, "error on block %d\n", errorblock);
burn_print(12, "error on block %d\n", errorblock);
burn_print(12, "returning %d sectors\n", c.page->sectors);
}
}
void mmc_erase(struct burn_drive *d, int fast)
{
struct command c;
memcpy(c.opcode, MMC_ERASE, sizeof(MMC_ERASE));
c.opcode[1] = 16; /* IMMED set to 1 */
c.opcode[1] |= !!fast;
c.retry = 1;
c.oplen = sizeof(MMC_ERASE);
c.page = NULL;
c.dir = NO_TRANSFER;
d->issue_command(d, &c);
}
void mmc_read_lead_in(struct burn_drive *d, struct buffer *buf)
{
int len;
struct command c;
len = buf->sectors;
memcpy(c.opcode, MMC_READ_CD, sizeof(MMC_READ_CD));
c.retry = 1;
c.oplen = sizeof(MMC_READ_CD);
c.opcode[5] = 0;
c.opcode[4] = 0;
c.opcode[3] = 0;
c.opcode[2] = 0xF0;
c.opcode[8] = 1;
c.opcode[7] = 0;
c.opcode[6] = 0;
c.opcode[9] = 0;
c.opcode[10] = 2;
c.page = buf;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
}
void mmc_perform_opc(struct burn_drive *d)
{
struct command c;
memcpy(c.opcode, MMC_SEND_OPC, sizeof(MMC_SEND_OPC));
c.retry = 1;
c.oplen = sizeof(MMC_SEND_OPC);
c.opcode[1] = 1;
c.page = NULL;
c.dir = NO_TRANSFER;
d->issue_command(d, &c);
}
void mmc_set_speed(struct burn_drive *d, int r, int w)
{
struct command c;
memcpy(c.opcode, MMC_SET_SPEED, sizeof(MMC_SET_SPEED));
c.retry = 1;
c.oplen = sizeof(MMC_SET_SPEED);
c.opcode[2] = r >> 8;
c.opcode[3] = r & 0xFF;
c.opcode[4] = w >> 8;
c.opcode[5] = w & 0xFF;
c.page = NULL;
c.dir = NO_TRANSFER;
d->issue_command(d, &c);
}
void mmc_get_configuration(struct burn_drive *d)
{
struct buffer buf;
int len;
struct command c;
memcpy(c.opcode, MMC_GET_CONFIGURATION, sizeof(MMC_GET_CONFIGURATION));
c.retry = 1;
c.oplen = sizeof(MMC_GET_CONFIGURATION);
c.page = &buf;
c.page->sectors = 0;
c.page->bytes = 0;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
burn_print(1, "got it back\n");
len = (c.page->data[0] << 24)
+ (c.page->data[1] << 16)
+ (c.page->data[2] << 8)
+ c.page->data[3];
burn_print(1, "all %d bytes of it\n", len);
burn_print(1, "%d, %d, %d, %d\n",
c.page->data[0],
c.page->data[1], c.page->data[2], c.page->data[3]);
}
void mmc_sync_cache(struct burn_drive *d)
{
struct command c;
memcpy(c.opcode, MMC_SYNC_CACHE, sizeof(MMC_SYNC_CACHE));
c.retry = 1;
c.oplen = sizeof(MMC_SYNC_CACHE);
c.page = NULL;
c.dir = NO_TRANSFER;
d->issue_command(d, &c);
}

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef __MMC
#define __MMC
struct burn_drive;
struct burn_write_opts;
struct command;
struct buffer;
struct cue_sheet;
/* MMC commands */
void mmc_read(struct burn_drive *);
void mmc_close_session(struct burn_drive *, struct burn_write_opts *);
void mmc_close_disc(struct burn_drive *, struct burn_write_opts *);
void mmc_close(struct burn_drive *, int session, int track);
void mmc_get_event(struct burn_drive *);
int mmc_write(struct burn_drive *, int start, struct buffer *buf);
void mmc_write_12(struct burn_drive *d, int start, struct buffer *buf);
void mmc_sync_cache(struct burn_drive *);
void mmc_load(struct burn_drive *);
void mmc_eject(struct burn_drive *);
void mmc_erase(struct burn_drive *, int);
void mmc_read_toc(struct burn_drive *);
void mmc_read_disc_info(struct burn_drive *);
void mmc_read_atip(struct burn_drive *);
void mmc_read_sectors(struct burn_drive *,
int,
int, const struct burn_read_opts *, struct buffer *);
void mmc_set_speed(struct burn_drive *, int, int);
void mmc_read_lead_in(struct burn_drive *, struct buffer *);
void mmc_perform_opc(struct burn_drive *);
void mmc_get_configuration(struct burn_drive *);
int mmc_get_nwa(struct burn_drive *);
void mmc_send_cue_sheet(struct burn_drive *, struct cue_sheet *);
#endif /*__MMC*/

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#include "null.h"
#include "libburn.h"
#include <stdlib.h>
#include <string.h>
int null_read(struct burn_source *source, unsigned char *buffer, int size)
{
memset(buffer, 0, size);
return size;
}
struct burn_source *burn_null_source_new(void)
{
struct burn_source *src;
src = malloc(sizeof(struct burn_source));
src->refcount = 1;
src->read = null_read;
src->read_sub = NULL;
src->get_size = 0;
src->free_data = NULL;
src->data = NULL;
return src;
}

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef BURN__NULL_H
#define BURN__NULL_H
struct burn_source;
int null_read(struct burn_source *source, unsigned char *buffer, int size);
struct burn_source *burn_null_source_new(void);
#endif /* LIBBURN__NULL_H */

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#include "libburn.h"
#include "options.h"
#include "transport.h"
#include <assert.h>
#include <stdlib.h>
#include <string.h>
struct burn_write_opts *burn_write_opts_new(struct burn_drive *drive)
{
struct burn_write_opts *opts;
opts = malloc(sizeof(struct burn_write_opts));
opts->drive = drive;
opts->refcount = 1;
opts->write_type = BURN_WRITE_TAO;
opts->block_type = BURN_BLOCK_MODE1;
opts->toc_entry = NULL;
opts->toc_entries = 0;
opts->simulate = 0;
opts->underrun_proof = drive->mdata->underrun_proof;
opts->perform_opc = 1;
opts->has_mediacatalog = 0;
opts->format = BURN_CDROM;
opts->multi = 0;
opts->control = 0;
return opts;
}
void burn_write_opts_free(struct burn_write_opts *opts)
{
if (--opts->refcount <= 0)
free(opts);
}
struct burn_read_opts *burn_read_opts_new(struct burn_drive *drive)
{
struct burn_read_opts *opts;
opts = malloc(sizeof(struct burn_read_opts));
opts->drive = drive;
opts->refcount = 1;
opts->raw = 0;
opts->c2errors = 0;
opts->subcodes_audio = 0;
opts->subcodes_data = 0;
opts->hardware_error_recovery = 0;
opts->report_recovered_errors = 0;
opts->transfer_damaged_blocks = 0;
opts->hardware_error_retries = 3;
return opts;
}
void burn_read_opts_free(struct burn_read_opts *opts)
{
if (--opts->refcount <= 0)
free(opts);
}
int burn_write_opts_set_write_type(struct burn_write_opts *opts,
enum burn_write_types write_type,
int block_type)
{
if ((write_type == BURN_WRITE_SAO && block_type == BURN_BLOCK_SAO) ||
(opts->drive->block_types[write_type] & block_type)) {
opts->write_type = write_type;
opts->block_type = block_type;
return 1;
}
assert(0);
return 0;
}
void burn_write_opts_set_toc_entries(struct burn_write_opts *opts, int count,
struct burn_toc_entry *toc_entries)
{
opts->toc_entries = count;
opts->toc_entry = malloc(count * sizeof(struct burn_toc_entry));
memcpy(opts->toc_entry, &toc_entries,
sizeof(struct burn_toc_entry) * count);
}
void burn_write_opts_set_format(struct burn_write_opts *opts, int format)
{
opts->format = format;
}
int burn_write_opts_set_simulate(struct burn_write_opts *opts, int sim)
{
if (opts->drive->mdata->simulate) {
opts->simulate = sim;
return 1;
}
return 0;
}
int burn_write_opts_set_underrun_proof(struct burn_write_opts *opts,
int underrun_proof)
{
if (opts->drive->mdata->underrun_proof) {
opts->underrun_proof = underrun_proof;
return 1;
}
return 0;
}
void burn_write_opts_set_perform_opc(struct burn_write_opts *opts, int opc)
{
opts->perform_opc = opc;
}
void burn_write_opts_set_has_mediacatalog(struct burn_write_opts *opts,
int has_mediacatalog)
{
opts->has_mediacatalog = has_mediacatalog;
}
void burn_write_opts_set_mediacatalog(struct burn_write_opts *opts,
unsigned char mediacatalog[13])
{
memcpy(opts->mediacatalog, &mediacatalog, 13);
}
void burn_read_opts_set_raw(struct burn_read_opts *opts, int raw)
{
opts->raw = raw;
}
void burn_read_opts_set_c2errors(struct burn_read_opts *opts, int c2errors)
{
opts->c2errors = c2errors;
}
void burn_read_opts_read_subcodes_audio(struct burn_read_opts *opts,
int subcodes_audio)
{
opts->subcodes_audio = subcodes_audio;
}
void burn_read_opts_read_subcodes_data(struct burn_read_opts *opts,
int subcodes_data)
{
opts->subcodes_data = subcodes_data;
}
void burn_read_opts_set_hardware_error_recovery(struct burn_read_opts *opts,
int hardware_error_recovery)
{
opts->hardware_error_recovery = hardware_error_recovery;
}
void burn_read_opts_report_recovered_errors(struct burn_read_opts *opts,
int report_recovered_errors)
{
opts->report_recovered_errors = report_recovered_errors;
}
void burn_read_opts_transfer_damaged_blocks(struct burn_read_opts *opts,
int transfer_damaged_blocks)
{
opts->transfer_damaged_blocks = transfer_damaged_blocks;
}
void burn_read_opts_set_hardware_error_retries(struct burn_read_opts *opts,
unsigned char
hardware_error_retries)
{
opts->hardware_error_retries = hardware_error_retries;
}

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#ifndef BURN__OPTIONS_H
#define BURN__OPTIONS_H
#include "libburn.h"
/** Options for disc writing operations. This should be created with
burn_write_opts_new() and freed with burn_write_opts_free(). */
struct burn_write_opts
{
/** Drive the write opts are good for */
struct burn_drive *drive;
/** For internal use. */
int refcount;
/** The method/style of writing to use. */
enum burn_write_types write_type;
/** format of the data to send to the drive */
enum burn_block_types block_type;
/** Number of toc entries. if this is 0, they will be auto generated*/
int toc_entries;
/** Toc entries for the disc */
struct burn_toc_entry *toc_entry;
/** Simulate the write so that the disc is not actually written */
unsigned int simulate:1;
/** If available, enable a drive feature which prevents buffer
underruns if not enough data is available to keep up with the
drive. */
unsigned int underrun_proof:1;
/** Perform calibration of the drive's laser before beginning the
write. */
unsigned int perform_opc:1;
/** A disc can have a media catalog number */
int has_mediacatalog;
unsigned char mediacatalog[13];
/** Session format */
int format;
/* internal use only */
unsigned char control;
unsigned char multi;
};
/** Options for disc reading operations. This should be created with
burn_read_opts_new() and freed with burn_read_opts_free(). */
struct burn_read_opts
{
/** Drive the read opts are good for */
struct burn_drive *drive;
/** For internal use. */
int refcount;
/** Read in raw mode, so that everything in the data tracks on the
disc is read, including headers. Not needed if just reading a
filesystem off a disc, but it should usually be used when making a
disc image or copying a disc. */
unsigned int raw:1;
/** Report c2 errors. Useful for statistics reporting */
unsigned int c2errors:1;
/** Read subcodes from audio tracks on the disc */
unsigned int subcodes_audio:1;
/** Read subcodes from data tracks on the disc */
unsigned int subcodes_data:1;
/** Have the drive recover errors if possible */
unsigned int hardware_error_recovery:1;
/** Report errors even when they were recovered from */
unsigned int report_recovered_errors:1;
/** Read blocks even when there are unrecoverable errors in them */
unsigned int transfer_damaged_blocks:1;
/** The number of retries the hardware should make to correct
errors. */
unsigned char hardware_error_retries;
};
#endif /* BURN__OPTIONS_H */

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#include <malloc.h>
#include <unistd.h>
#include <signal.h>
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "sector.h"
#include "libburn.h"
#include "drive.h"
#include "transport.h"
#include "message.h"
#include "crc.h"
#include "debug.h"
#include "init.h"
#include "lec.h"
#include "toc.h"
#include "util.h"
#include "sg.h"
#include "read.h"
#include "options.h"
void burn_disc_read(struct burn_drive *d, const struct burn_read_opts *o)
{
#if 0
int i, end, maxsects, finish;
int seclen;
int drive_lba;
unsigned short crc;
unsigned char fakesub[96];
struct buffer page;
int speed;
assert((o->version & 0xfffff000) == (OPTIONS_VERSION & 0xfffff000));
assert(!d->busy);
assert(d->toc->valid);
assert(o->datafd != -1);
/* XXX not sure this is a good idea. copy it? */
/* XXX also, we have duplicated data now, do we remove the fds from struct
drive, or only store a subset of the _opts structs in drives */
/* set the speed on the drive */
speed = o->speed > 0 ? o->speed : d->mdata->max_read_speed;
d->set_speed(d, speed, 0);
d->params.retries = o->hardware_error_retries;
d->send_parameters(d, o);
d->cancel = 0;
d->busy = BURN_DRIVE_READING;
d->currsession = 0;
/* drive_lba = 232000;
d->currtrack = 18;
*/
d->currtrack = 0;
drive_lba = 0;
/* XXX removal of this line obviously breaks *
d->track_end = burn_track_end(d, d->currsession, d->currtrack);*/
printf("track ends at %d\n", d->track_end);
page.sectors = 0;
page.bytes = 0;
if (o->subfd != -1) {
memset(fakesub, 0xFF, 12);
memset(fakesub + 12, 0, 84);
fakesub[13] = 1;
fakesub[14] = 1;
fakesub[20] = 2;
fakesub[12] = (d->toc->toc_entry[0].control << 4) +
d->toc->toc_entry[0].adr;
crc = crc_ccitt(fakesub + 12, 10);
fakesub[22] = crc >> 8;
fakesub[23] = crc & 0xFF;
write(o->subfd, fakesub, 96);
}
while (1) {
seclen = burn_sector_length_read(d, o);
burn_print(12, "received %d blocks\n", page.sectors);
for (i = 0; i < page.sectors; i++) {
burn_packet_process(d, page.data + seclen * i, o);
d->track_end--;
drive_lba++;
}
if ((d->cancel) || (drive_lba == LAST_SESSION_END(d))) {
burn_print(1, "finished or cancelled\n");
d->busy = BURN_DRIVE_IDLE;
if (!d->cancel)
d->toc->complete = 1;
return;
}
/* XXX: removal of this line obviously breaks *
end = burn_track_end(d, d->currsession, d->currtrack); */
if (drive_lba == end) {
d->currtrack++;
if (d->currtrack >
d->toc->session[d->currsession].lasttrack) {
d->currsession++;
burn_print(12, "session switch to %d\n",
d->currsession);
burn_print(12, "skipping a lead out\n");
drive_lba = CURRENT_SESSION_START(d);
burn_print(12, "new lba %d\n", drive_lba);
/* XXX more of the same
end = burn_track_end(d, d->currsession,
d->currtrack);
*/ }
burn_print(12, "track switch to %d\n", d->currtrack);
}
page.sectors = 0;
page.bytes = 0;
maxsects = BUFFER_SIZE / seclen;
finish = end - drive_lba;
d->track_end = finish;
page.sectors = (finish < maxsects) ? finish : maxsects;
printf("reading %d sectors from %d\n", page.sectors,
drive_lba);
d->read_sectors(d, drive_lba, page.sectors, o, &page);
printf("Read %d\n", page.sectors);
}
#endif
}
int burn_sector_length_read(struct burn_drive *d,
const struct burn_read_opts *o)
{
int dlen = 2352;
int data;
/*XXX how do we handle this crap now?*/
/* data = d->toc->track[d->currtrack].toc_entry->control & 4;*/
data = 1;
if (o->report_recovered_errors)
dlen += 294;
if ((o->subcodes_data) && data)
dlen += 96;
if ((o->subcodes_audio) && !data)
dlen += 96;
return dlen;
}
static int bitcount(unsigned char *data, int n)
{
int i, j, count = 0;
unsigned char tem;
for (i = 0; i < n; i++) {
tem = data[i];
for (j = 0; j < 8; j++) {
count += tem & 1;
tem >>= 1;
}
}
return count;
}
void burn_packet_process(struct burn_drive *d, unsigned char *data,
const struct burn_read_opts *o)
{
unsigned char sub[96];
unsigned short crc;
int ptr = 2352, i, j, code, fb;
int audio = 1;
if (o->c2errors) {
fb = bitcount(data + ptr, 294);
if (fb) {
burn_print(1, "%d damaged bits\n",
bitcount(data + ptr, 294));
burn_print(1, "sending error on %s %s\n",
d->idata->vendor, d->idata->product);
/* XXX send a burn_message! burn_message_error(d,
something); */
}
ptr += 294;
}
/*
if (d->toc->track[d->currtrack].mode == BURN_MODE_UNINITIALIZED) {
if ((d->toc->track[d->currtrack].toc_entry->control & 4) == 0)
d->toc->track[d->currtrack].mode = BURN_MODE_AUDIO;
else
switch (data[15]) {
case 0:
d->toc->track[d->currtrack].mode = BURN_MODE0;
break;
case 1:
d->toc->track[d->currtrack].mode = BURN_MODE1;
break;
case 2:
d->toc->track[d->currtrack].mode =
BURN_MODE2_FORMLESS;
break;
}
}
*/
if ((audio && o->subcodes_audio)
|| (!audio && o->subcodes_data)) {
memset(sub, 0, sizeof(sub));
for (i = 0; i < 12; i++) {
for (j = 0; j < 8; j++) {
for (code = 0; code < 8; code++) {
sub[code * 12 + i] <<= 1;
if (data[ptr + j + i * 8] &
(1 << (7 - code)))
sub[code * 12 + i]++;
}
}
}
crc = (*(sub + 22) << 8) + *(sub + 23);
if (crc != crc_ccitt(sub + 12, 10)) {
burn_print(1, "sending error on %s %s\n",
d->idata->vendor, d->idata->product);
/* e = burn_error();
e->drive = d;
*/
burn_print(1, "crc mismatch in Q\n");
}
/* else process_q(d, sub + 12); */
/*
if (o->subfd != -1) write(o->subfd, sub, 96); */
}
/*
if ((d->track_end <= 150)
&& (drive_lba + 150 < CURRENT_SESSION_END(d))
&& (TOC_ENTRY(d->toc, d->currtrack).control == 4)
&& (TOC_ENTRY(d->toc, d->currtrack + 1).control == 0)) {
burn_print(12, "pregap : %d\n", d->track_end);
write(o->binfd, zeros, 2352);
#warning XXX WHERE ARE MY SUBCODES
} else
*//* write(o->datafd, data, 2352); */
}
/* so yeah, when you uncomment these, make them write zeros insted of crap
static void write_empty_sector(int fd)
{
char sec[2352];
burn_print(1, "writing an 'empty' sector\n");
write(fd, sec, 2352);
}
static void write_empty_subcode(int fd)
{
char sub[96];
write(fd, sub, 96);
}
static void flipq(unsigned char *sub)
{
*(sub + 12 + 10) = ~*(sub + 12 + 10);
*(sub + 12 + 11) = ~*(sub + 12 + 11);
}
*/

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef __LIBBURN_READ
#define __LIBBURN_READ
struct burn_drive;
struct burn_read_opts;
int burn_sector_length_read(struct burn_drive *d,
const struct burn_read_opts *o);
void burn_packet_process(struct burn_drive *d, unsigned char *data,
const struct burn_read_opts *o);
#endif /* __LIBBURN_READ */

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
/* scsi block commands */
#include <scsi/scsi.h>
#include <string.h>
#include <scsi/sg.h>
#include "transport.h"
#include "sbc.h"
#include "options.h"
/* spc command set */
static char SBC_LOAD[] = { 0x1b, 0, 0, 0, 3, 0 };
static char SBC_UNLOAD[] = { 0x1b, 0, 0, 0, 2, 0 };
void sbc_load(struct burn_drive *d)
{
struct command c;
memcpy(c.opcode, SBC_LOAD, sizeof(SBC_LOAD));
c.retry = 1;
c.oplen = sizeof(SBC_LOAD);
c.dir = NO_TRANSFER;
c.page = NULL;
d->issue_command(d, &c);
}
void sbc_eject(struct burn_drive *d)
{
struct command c;
c.page = NULL;
memcpy(c.opcode, SBC_UNLOAD, sizeof(SBC_UNLOAD));
c.oplen = 1;
c.oplen = sizeof(SBC_UNLOAD);
c.page = NULL;
c.dir = NO_TRANSFER;
d->issue_command(d, &c);
}

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef __SBC
#define __SBC
struct burn_drive;
void sbc_load(struct burn_drive *);
void sbc_eject(struct burn_drive *);
#endif /* __SBC */

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#include <stdio.h>
#include <assert.h>
#include <unistd.h>
#include <string.h>
#include "error.h"
#include "options.h"
#include "transport.h"
#include "libburn.h"
#include "drive.h"
#include "sector.h"
#include "crc.h"
#include "debug.h"
#include "lec.h"
#include "toc.h"
#include "write.h"
/*static unsigned char isrc[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";*/
#define sector_common(X) d->alba++; d->rlba X;
static void uncook_subs(unsigned char *dest, unsigned char *source)
{
int i, j, code;
memset(dest, 0, 96);
for (i = 0; i < 12; i++) {
for (j = 0; j < 8; j++) {
for (code = 0; code < 8; code++) {
if (source[code * 12 + i] & 0x80)
dest[j + i * 8] |= (1 << (7 - code));
source[code * 12 + i] <<= 1;
}
}
}
}
/* 0 means "same as inmode" */
static int get_outmode(struct burn_write_opts *o)
{
if (o->write_type == BURN_WRITE_SAO)
return 0;
else
switch (o->block_type) {
case BURN_BLOCK_RAW0:
return BURN_MODE_RAW;
case BURN_BLOCK_RAW16:
return BURN_MODE_RAW | BURN_SUBCODE_P16;
case BURN_BLOCK_RAW96P:
return BURN_MODE_RAW | BURN_SUBCODE_P96;
case BURN_BLOCK_RAW96R:
return BURN_MODE_RAW | BURN_SUBCODE_R96;
case BURN_BLOCK_MODE1:
return BURN_MODE1;
}
assert(0); /* return BURN_MODE_UNIMPLEMENTED :) */
}
static void get_bytes(struct burn_track *track, int count, unsigned char *data)
{
int valid, shortage, curr;
/* no track pointer means we're just generating 0s */
if (!track) {
memset(data, 0, count);
return;
}
/* first we use up any offset */
valid = track->offset - track->offsetcount;
if (valid > count)
valid = count;
if (valid) {
track->offsetcount += valid;
memset(data, 0, valid);
}
shortage = count - valid;
if (!shortage)
return;
/* Next we use source data */
curr = valid;
if (!track->eos) {
valid = track->source->read(track->source, data + curr, count - curr);
} else valid = 0;
if (valid == -1) {
track->eos = 1;
valid = 0;
}
curr += valid;
shortage = count - curr;
if (!shortage)
return;
/* Before going to the next track, we run through any tail */
valid = track->tail - track->tailcount;
if (valid > count - curr)
valid = count - curr;
if (valid) {
track->tailcount += valid;
memset(data + curr, 0, valid);
}
curr += valid;
shortage -= valid;
if (!shortage)
return;
/* If we're still short, and there's a "next" pointer, we pull from that.
if that depletes, we'll just fill with 0s.
*/
if (track->source->next) {
struct burn_source *src;
printf("pulling from next track\n");
src = track->source->next;
valid = src->read(src, data + curr, shortage);
if (valid > 0) {
shortage -= valid;
curr += valid;
}
}
if (!shortage)
return;
memset(data + curr, 0, shortage);
}
static unsigned char *get_sector(struct burn_write_opts *opts, int inmode)
{
struct burn_drive *d = opts->drive;
struct buffer *out = d->buffer;
int outmode;
int seclen;
unsigned char *ret;
outmode = get_outmode(opts);
if (outmode == 0)
outmode = inmode;
seclen = burn_sector_length(outmode) + burn_subcode_length(outmode);
if (out->bytes + (seclen) >= BUFFER_SIZE) {
int err;
err = d->write(d, d->nwa, out);
if (err == BE_CANCELLED)
return NULL;
d->nwa += out->sectors;
out->bytes = 0;
out->sectors = 0;
}
ret = out->data + out->bytes;
out->bytes += seclen;
out->sectors++;
return ret;
}
/* either inmode == outmode, or outmode == raw. anything else is bad news */
static void convert_data(struct burn_write_opts *o, struct burn_track *track,
int inmode, unsigned char *data)
{
int outlen, inlen;
int offset = -1;
int outmode;
outmode = get_outmode(o);
if (outmode == 0)
outmode = inmode;
outlen = burn_sector_length(outmode);
inlen = burn_sector_length(inmode);
assert(outlen >= inlen);
if ((outmode & BURN_MODE_BITS) == (inmode & BURN_MODE_BITS)) {
get_bytes(track, inlen, data);
return;
}
assert(outmode & BURN_MODE_RAW);
if (inmode & BURN_MODE1)
offset = 16;
if (inmode & BURN_MODE_RAW)
offset = 0;
if (inmode & BURN_AUDIO)
offset = 0;
assert(offset != -1);
get_bytes(track, inlen, data + offset);
}
static void convert_subs(struct burn_write_opts *o, int inmode,
unsigned char *subs, unsigned char *sector)
{
unsigned char *out;
int outmode;
outmode = get_outmode(o);
if (outmode == 0)
outmode = inmode;
sector += burn_sector_length(outmode);
/* XXX for sao with subs, we'd need something else... */
switch (o->block_type) {
case BURN_BLOCK_RAW96R:
uncook_subs(sector, subs);
break;
case BURN_BLOCK_RAW16:
memcpy(sector, subs + 12, 12);
out = sector + 12;
out[0] = 0;
out[1] = 0;
out[2] = 0;
/*XXX find a better way to deal with partially damaged P channels*/
if (subs[2] != 0)
out[3] = 0x80;
else
out[3] = 0;
out = sector + 10;
out[0] = ~out[0];
out[1] = ~out[1];
break;
}
}
static void subcode_toc(struct burn_drive *d, int mode, unsigned char *data)
{
unsigned char *q;
int track;
int crc;
int min, sec, frame;
track = d->toc_temp / 3;
memset(data, 0, 96);
q = data + 12;
burn_lba_to_msf(d->rlba, &min, &sec, &frame);
/*XXX track numbers are BCD
a0 - 1st track ctrl
a1 - last track ctrl
a2 - lout ctrl
*/
q[0] = (d->toc_entry[track].control << 4) + 1;
q[1] = 0;
if (d->toc_entry[track].point < 100)
q[2] = dec_to_bcd(d->toc_entry[track].point);
else
q[2] = d->toc_entry[track].point;
q[3] = dec_to_bcd(min);
q[4] = dec_to_bcd(sec);
q[5] = dec_to_bcd(frame);
q[6] = 0;
q[7] = dec_to_bcd(d->toc_entry[track].pmin);
q[8] = dec_to_bcd(d->toc_entry[track].psec);
q[9] = dec_to_bcd(d->toc_entry[track].pframe);
crc = crc_ccitt(q, 10);
q[10] = crc >> 8;
q[11] = crc & 0xFF;
d->toc_temp++;
d->toc_temp %= (d->toc_entries * 3);
}
int sector_toc(struct burn_write_opts *o, int mode)
{
struct burn_drive *d = o->drive;
unsigned char *data;
unsigned char subs[96];
data = get_sector(o, mode);
if (!data)
return 0;
convert_data(o, NULL, mode, data);
subcode_toc(d, mode, subs);
convert_subs(o, mode, subs, data);
sector_headers(o, data, mode, 1);
sector_common(++)
return 1;
}
int sector_pregap(struct burn_write_opts *o,
unsigned char tno, unsigned char control, int mode)
{
struct burn_drive *d = o->drive;
unsigned char *data;
unsigned char subs[96];
data = get_sector(o, mode);
if (!data)
return 0;
convert_data(o, NULL, mode, data);
subcode_user(o, subs, tno, control, 0, NULL, 1);
convert_subs(o, mode, subs, data);
sector_headers(o, data, mode, 0);
sector_common(--)
return 1;
}
int sector_postgap(struct burn_write_opts *o,
unsigned char tno, unsigned char control, int mode)
{
struct burn_drive *d = o->drive;
unsigned char subs[96];
unsigned char *data;
data = get_sector(o, mode);
if (!data)
return 0;
convert_data(o, NULL, mode, data);
/* use last index in track */
subcode_user(o, subs, tno, control, 1, NULL, 1);
convert_subs(o, mode, subs, data);
sector_headers(o, data, mode, 0);
sector_common(++)
return 1;
}
static void subcode_lout(struct burn_write_opts *o, unsigned char control,
unsigned char *data)
{
struct burn_drive *d = o->drive;
unsigned char *q;
int crc;
int rmin, min, rsec, sec, rframe, frame;
memset(data, 0, 96);
q = data + 12;
burn_lba_to_msf(d->alba, &min, &sec, &frame);
burn_lba_to_msf(d->rlba, &rmin, &rsec, &rframe);
if (((rmin == 0) && (rsec == 0) && (rframe == 0)) ||
((rsec >= 2) && !((rframe / 19) % 2)))
memset(data, 0xFF, 12);
q[0] = (control << 4) + 1;
q[1] = 0xAA;
q[2] = 0x01;
q[3] = dec_to_bcd(rmin);
q[4] = dec_to_bcd(rsec);
q[5] = dec_to_bcd(rframe);
q[6] = 0;
q[7] = dec_to_bcd(min);
q[8] = dec_to_bcd(sec);
q[9] = dec_to_bcd(frame);
crc = crc_ccitt(q, 10);
q[10] = crc >> 8;
q[11] = crc & 0xFF;
}
static char char_to_isrc(char c)
{
if (c >= '0' && c <= '9')
return c - '0';
if (c >= 'A' && c <= 'Z')
return 0x11 + (c - 'A');
if (c >= 'a' && c <= 'z')
return 0x11 + (c - 'a');
assert(0);
return 0;
}
void subcode_user(struct burn_write_opts *o, unsigned char *subcodes,
unsigned char tno, unsigned char control,
unsigned char indx, struct isrc *isrc, int psub)
{
struct burn_drive *d = o->drive;
unsigned char *p, *q;
int crc;
int m, s, f, c, qmode; /* 1, 2 or 3 */
memset(subcodes, 0, 96);
p = subcodes;
if ((tno == 1) && (d->rlba == -150))
memset(p, 0xFF, 12);
if (psub)
memset(p, 0xFF, 12);
q = subcodes + 12;
qmode = 1;
/* every 1 in 10 we can do something different */
if (d->rlba % 10 == 0) {
/* each of these can occur 1 in 100 */
if ((d->rlba / 10) % 10 == 0) {
if (o->has_mediacatalog)
qmode = 2;
} else if ((d->rlba / 10) % 10 == 1) {
if (isrc && isrc->has_isrc)
qmode = 3;
}
}
assert(qmode == 1 || qmode == 2 || qmode == 3);
switch (qmode) {
case 1:
q[1] = dec_to_bcd(tno); /* track number */
q[2] = dec_to_bcd(indx); /* index XXX read this shit
from the track array */
burn_lba_to_msf(d->rlba, &m, &s, &f);
q[3] = dec_to_bcd(m); /* rel min */
q[4] = dec_to_bcd(s); /* rel sec */
q[5] = dec_to_bcd(f); /* rel frame */
q[6] = 0; /* zero */
burn_lba_to_msf(d->alba, &m, &s, &f);
q[7] = dec_to_bcd(m); /* abs min */
q[8] = dec_to_bcd(s); /* abs sec */
q[9] = dec_to_bcd(f); /* abs frame */
break;
case 2:
/* media catalog number */
q[1] = (o->mediacatalog[0] << 4) + o->mediacatalog[1];
q[2] = (o->mediacatalog[2] << 4) + o->mediacatalog[3];
q[3] = (o->mediacatalog[4] << 4) + o->mediacatalog[5];
q[4] = (o->mediacatalog[6] << 4) + o->mediacatalog[7];
q[5] = (o->mediacatalog[8] << 4) + o->mediacatalog[9];
q[6] = (o->mediacatalog[10] << 4) + o->mediacatalog[11];
q[7] = o->mediacatalog[12] << 4;
q[8] = 0;
burn_lba_to_msf(d->alba, &m, &s, &f);
q[9] = dec_to_bcd(f); /* abs frame */
break;
case 3:
c = char_to_isrc(isrc->country[0]);
/* top 6 bits of [1] is the first country code */
q[1] = c << 2;
c = char_to_isrc(isrc->country[1]);
/* bottom 2 bits of [1] is part of the second country code */
q[1] += (c >> 4);
/* top 4 bits if [2] is the rest of the second country code */
q[2] = c << 4;
c = char_to_isrc(isrc->owner[0]);
/* bottom 4 bits of [2] is part of the first owner code */
q[2] += (c >> 2);
/* top 2 bits of [3] is the rest of the first owner code */
q[3] = c << 6;
c = char_to_isrc(isrc->owner[1]);
/* bottom 6 bits of [3] is the entire second owner code */
q[3] += c;
c = char_to_isrc(isrc->owner[2]);
/* top 6 bits of [4] are the third owner code */
q[4] = c << 2;
/* [5] is the year in 2 BCD numbers */
q[5] = dec_to_bcd(isrc->year % 100);
/* [6] is the first 2 digits in the serial */
q[6] = dec_to_bcd(isrc->serial % 100);
/* [7] is the next 2 digits in the serial */
q[7] = dec_to_bcd((isrc->serial / 100) % 100);
/* the top 4 bits of [8] is the last serial digit, the rest is
zeros */
q[8] = dec_to_bcd((isrc->serial / 10000) % 10) << 4;
burn_lba_to_msf(d->alba, &m, &s, &f);
q[9] = dec_to_bcd(f); /* abs frame */
break;
}
q[0] = (control << 4) + qmode;
crc = crc_ccitt(q, 10);
q[10] = crc >> 8;
q[11] = crc & 0xff;
}
int sector_lout(struct burn_write_opts *o, unsigned char control, int mode)
{
struct burn_drive *d = o->drive;
unsigned char subs[96];
unsigned char *data;
data = get_sector(o, mode);
if (!data)
return 0;
convert_data(o, NULL, mode, data);
subcode_lout(o, control, subs);
convert_subs(o, mode, subs, data);
sector_headers(o, data, mode, 0);
sector_common(++)
return 1;
}
int sector_data(struct burn_write_opts *o, struct burn_track *t, int psub)
{
struct burn_drive *d = o->drive;
unsigned char subs[96];
unsigned char *data;
data = get_sector(o, t->mode);
if (!data)
return 0;
convert_data(o, t, t->mode, data);
if (!t->source->read_sub)
subcode_user(o, subs, t->entry->point,
t->entry->control, 1, &t->isrc, psub);
else if (!t->source->read_sub(t->source, subs, 96))
subcode_user(o, subs, t->entry->point,
t->entry->control, 1, &t->isrc, psub);
convert_subs(o, t->mode, subs, data);
sector_headers(o, data, t->mode, 0);
sector_common(++)
return 1;
}
int burn_msf_to_lba(int m, int s, int f)
{
if (m < 90)
return (m * 60 + s) * 75 + f - 150;
else
return (m * 60 + s) * 75 + f - 450150;
}
void burn_lba_to_msf(int lba, int *m, int *s, int *f)
{
if (lba >= -150) {
*m = (lba + 150) / (60 * 75);
*s = (lba + 150 - *m * 60 * 75) / 75;
*f = lba + 150 - *m * 60 * 75 - *s * 75;
} else {
*m = (lba + 450150) / (60 * 75);
*s = (lba + 450150 - *m * 60 * 75) / 75;
*f = lba + 450150 - *m * 60 * 75 - *s * 75;
}
}
int dec_to_bcd(int d)
{
int top, bottom;
top = d / 10;
bottom = d - (top * 10);
return (top << 4) + bottom;
}
void sector_headers(struct burn_write_opts *o, unsigned char *out,
int mode, int leadin)
{
struct burn_drive *d = o->drive;
unsigned int crc;
int min, sec, frame;
int modebyte = -1;
if (mode & BURN_AUDIO) /* no headers for "audio" */
return;
if (o->write_type == BURN_WRITE_SAO)
return;
if (mode & BURN_MODE1)
modebyte = 1;
assert(modebyte == 1);
out[0] = 0;
memset(out + 1, 0xFF, 10); /* sync */
out[11] = 0;
if (leadin) {
burn_lba_to_msf(d->rlba, &min, &sec, &frame);
out[12] = dec_to_bcd(min) + 0xA0;
out[13] = dec_to_bcd(sec);
out[14] = dec_to_bcd(frame);
out[15] = modebyte;
} else {
burn_lba_to_msf(d->alba, &min, &sec, &frame);
out[12] = dec_to_bcd(min);
out[13] = dec_to_bcd(sec);
out[14] = dec_to_bcd(frame);
out[15] = modebyte;
}
if (mode & BURN_MODE1) {
crc = crc_32(out, 2064);
out[2064] = crc & 0xFF;
crc >>= 8;
out[2065] = crc & 0xFF;
crc >>= 8;
out[2066] = crc & 0xFF;
crc >>= 8;
out[2067] = crc & 0xFF;
}
if (mode & BURN_MODE1) {
memset(out + 2068, 0, 8);
parity_p(out);
parity_q(out);
}
scramble(out);
}
#if 0
void process_q(struct burn_drive *d, unsigned char *q)
{
unsigned char i[5];
int mode;
mode = q[0] & 0xF;
/* burn_print(12, "mode: %d : ", mode);*/
switch (mode) {
case 1:
/* burn_print(12, "tno = %d : ", q[1]);
burn_print(12, "index = %d\n", q[2]);
*/
/* q[1] is the track number (starting at 1) q[2] is the index
number (starting at 0) */
#warning this is totally bogus
if (q[1] - 1 > 99)
break;
if (q[2] > d->toc->track[q[1] - 1].indices) {
burn_print(12, "new index at %d\n", d->alba);
d->toc->track[q[1] - 1].index[q[2]] = d->alba;
d->toc->track[q[1] - 1].indices++;
}
break;
case 2:
/* XXX dont ignore these */
break;
case 3:
/* burn_print(12, "ISRC data in mode 3 q\n");*/
i[0] = isrc[(q[1] << 2) >> 2];
/* burn_print(12, "0x%x 0x%x 0x%x 0x%x 0x%x\n", q[1], q[2], q[3], q[4], q[5]);
burn_print(12, "ISRC - %c%c%c%c%c\n", i[0], i[1], i[2], i[3], i[4]);
*/
break;
default:
assert(0);
}
}
#endif
/* this needs more info. subs in the data? control/adr? */
#warning sector_identify needs to be written
int sector_identify(unsigned char *data)
{
scramble(data);
/*
check mode byte for 1 or 2
test parity to see if it's a valid sector
if invalid, return BURN_MODE_AUDIO;
else return mode byte (what about mode 2 formless? heh)
*/
return BURN_MODE1;
}

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef __SECTOR
#define __SECTOR
#include "libburn.h"
#include "transport.h"
struct burn_drive;
struct isrc;
int dec_to_bcd(int);
int sector_toc(struct burn_write_opts *, int mode);
int sector_pregap(struct burn_write_opts *, unsigned char tno,
unsigned char control, int mode);
int sector_postgap(struct burn_write_opts *, unsigned char tno,
unsigned char control, int mode);
int sector_lout(struct burn_write_opts *, unsigned char control, int mode);
int sector_data(struct burn_write_opts *, struct burn_track *t, int psub);
void sector_headers(struct burn_write_opts *, unsigned char *,
int mode, int leadin);
void subcode_user(struct burn_write_opts *, unsigned char *s,
unsigned char tno, unsigned char control,
unsigned char index, struct isrc *isrc, int psub);
int sector_identify(unsigned char *);
void process_q(struct burn_drive *d, unsigned char *q);
#endif /* __SECTOR */

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#include <assert.h>
#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <malloc.h>
#include <string.h>
#include <sys/poll.h>
#include <linux/hdreg.h>
#include "transport.h"
#include "drive.h"
#include "sg.h"
#include "spc.h"
#include "mmc.h"
#include "sbc.h"
#include "debug.h"
#include "toc.h"
#include "util.h"
static void enumerate_common(char *fname);
static int sgio_test(int fd)
{
unsigned char test_ops[] = { 0, 0, 0, 0, 0, 0 };
sg_io_hdr_t s;
memset(&s, 0, sizeof(sg_io_hdr_t));
s.interface_id = 'S';
s.dxfer_direction = SG_DXFER_NONE;
s.cmd_len = 6;
s.cmdp = test_ops;
s.timeout = 12345;
return ioctl(fd, SG_IO, &s);
}
void ata_enumerate(void)
{
struct hd_driveid tm;
int i, fd;
char fname[10];
for (i = 0; i < 26; i++) {
sprintf(fname, "/dev/hd%c", 'a' + i);
/* open O_RDWR so we don't think read only drives are
in some way useful
*/
fd = open(fname, O_RDWR | O_NONBLOCK);
if (fd == -1)
continue;
/* found a drive */
ioctl(fd, HDIO_GET_IDENTITY, &tm);
/* not atapi */
if (!(tm.config & 0x8000) || (tm.config & 0x4000)) {
close(fd);
continue;
}
/* if SG_IO fails on an atapi device, we should stop trying to
use hd* devices */
if (sgio_test(fd) == -1) {
close(fd);
return;
}
close(fd);
enumerate_common(fname);
}
}
void sg_enumerate(void)
{
struct sg_scsi_id sid;
int i, fd;
char fname[10];
for (i = 0; i < 32; i++) {
sprintf(fname, "/dev/sg%d", i);
/* open RDWR so we don't accidentally think read only drives
are in some way useful
*/
fd = open(fname, O_RDWR);
if (fd == -1)
continue;
/* found a drive */
ioctl(fd, SG_GET_SCSI_ID, &sid);
close(fd);
if (sid.scsi_type != TYPE_ROM)
continue;
enumerate_common(fname);
}
}
static void enumerate_common(char *fname)
{
struct burn_drive *t;
struct burn_drive out;
out.devname = burn_strdup(fname);
out.fd = -1337;
out.grab = sg_grab;
out.release = sg_release;
out.issue_command = sg_issue_command;
out.getcaps = spc_getcaps;
out.released = 1;
out.status = BURN_DISC_UNREADY;
out.eject = sbc_eject;
out.load = sbc_load;
out.lock = spc_prevent;
out.unlock = spc_allow;
out.read_disc_info = spc_sense_write_params;
out.get_erase_progress = spc_get_erase_progress;
out.test_unit_ready = spc_test_unit_ready;
out.probe_write_modes = spc_probe_write_modes;
out.read_toc = mmc_read_toc;
out.write = mmc_write;
out.erase = mmc_erase;
out.read_sectors = mmc_read_sectors;
out.perform_opc = mmc_perform_opc;
out.set_speed = mmc_set_speed;
out.send_parameters = spc_select_error_params;
out.send_write_parameters = spc_select_write_params;
out.send_cue_sheet = mmc_send_cue_sheet;
out.sync_cache = mmc_sync_cache;
out.get_nwa = mmc_get_nwa;
out.close_disc = mmc_close_disc;
out.close_session = mmc_close_session;
out.idata = malloc(sizeof(struct scsi_inquiry_data));
out.idata->valid = 0;
out.mdata = malloc(sizeof(struct scsi_mode_data));
out.mdata->valid = 0;
memset(&out.params, 0, sizeof(struct params));
t = burn_drive_register(&out);
/* try to get the drive info */
if (sg_grab(t)) {
burn_print(2, "getting drive info\n");
t->getcaps(t);
t->unlock(t);
t->released = 1;
} else {
burn_print(2, "unable to grab new located drive\n");
}
}
/*
we use the sg reference count to decide whether we can use the
drive or not.
if refcount is not one, drive is open somewhere else.
*/
int sg_grab(struct burn_drive *d)
{
int fd, count;
fd = open(d->devname, O_RDWR | O_NONBLOCK);
assert(fd != -1337);
if (-1 != fd) {
/* er = ioctl(fd, SG_GET_ACCESS_COUNT, &count);*/
count = 1;
if (1 == count) {
d->fd = fd;
fcntl(fd, F_SETOWN, getpid());
d->released = 0;
return 1;
}
burn_print(1, "could not acquire drive - already open\n");
close(fd);
return 0;
}
burn_print(1, "could not acquire drive\n");
return 0;
}
/*
non zero return means you still have the drive and it's not
in a state to be released? (is that even possible?)
*/
int sg_release(struct burn_drive *d)
{
if (d->fd < 1) {
burn_print(1, "release an ungrabbed drive. die\n");
return 0;
}
close(d->fd);
d->fd = -1337;
return 0;
}
int sg_issue_command(struct burn_drive *d, struct command *c)
{
int done = 0;
int err;
sg_io_hdr_t s;
c->error = 0;
/*
this is valid during the mode probe in scan
if (d->fd < 1 || d->released) {
burn_print(1,
"command issued on ungrabbed drive, chaos.\n");
burn_print(1, "fd = %d, released = %d\n", d->fd,
d->released);
}
*/
memset(&s, 0, sizeof(sg_io_hdr_t));
s.interface_id = 'S';
if (c->dir == TO_DRIVE)
s.dxfer_direction = SG_DXFER_TO_DEV;
else if (c->dir == FROM_DRIVE)
s.dxfer_direction = SG_DXFER_FROM_DEV;
else if (c->dir == NO_TRANSFER) {
s.dxfer_direction = SG_DXFER_NONE;
assert(!c->page);
}
s.cmd_len = c->oplen;
s.cmdp = c->opcode;
s.mx_sb_len = 32;
s.sbp = c->sense;
memset(c->sense, 0, sizeof(c->sense));
s.timeout = 200000;
if (c->page) {
s.dxferp = c->page->data;
if (c->dir == FROM_DRIVE) {
s.dxfer_len = BUFFER_SIZE;
/* touch page so we can use valgrind */
memset(c->page->data, 0, BUFFER_SIZE);
} else {
assert(c->page->bytes > 0);
s.dxfer_len = c->page->bytes;
}
} else {
s.dxferp = NULL;
s.dxfer_len = 0;
}
s.usr_ptr = c;
do {
err = ioctl(d->fd, SG_IO, &s);
assert(err != -1);
if (s.sb_len_wr) {
if (!c->retry) {
c->error = 1;
return 1;
}
switch (scsi_error(d, s.sbp, s.sb_len_wr)) {
case RETRY:
done = 0;
break;
case FAIL:
done = 1;
c->error = 1;
break;
}
} else {
done = 1;
}
} while (!done);
return 1;
}
enum response scsi_error(struct burn_drive *d, unsigned char *sense,
int senselen)
{
int key, asc, ascq;
senselen = senselen;
key = sense[2];
asc = sense[12];
ascq = sense[13];
burn_print(12, "CONDITION: 0x%x 0x%x 0x%x on %s %s\n",
key, asc, ascq, d->idata->vendor, d->idata->product);
switch (asc) {
case 0:
burn_print(12, "NO ERROR!\n");
return RETRY;
case 2:
burn_print(1, "not ready\n");
return RETRY;
case 4:
burn_print(1,
"logical unit is in the process of becoming ready\n");
return RETRY;
case 0x20:
if (key == 5)
burn_print(1, "bad opcode\n");
return FAIL;
case 0x21:
burn_print(1, "invalid address or something\n");
return FAIL;
case 0x24:
if (key == 5)
burn_print(1, "invalid field in cdb\n");
else
break;
return FAIL;
case 0x26:
if ( key == 5 )
burn_print( 1, "invalid field in parameter list\n" );
return FAIL;
case 0x28:
if (key == 6)
burn_print(1,
"Not ready to ready change, medium may have changed\n");
else
break;
return RETRY;
case 0x3A:
burn_print(12, "Medium not present in %s %s\n",
d->idata->vendor, d->idata->product);
d->status = BURN_DISC_EMPTY;
return FAIL;
}
burn_print(1, "unknown failure\n");
burn_print(1, "key:0x%x, asc:0x%x, ascq:0x%x\n", key, asc, ascq);
return FAIL;
}

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef __SG
#define __SG
struct burn_drive;
struct command;
enum response
{ RETRY, FAIL };
void sg_enumerate(void);
void ata_enumerate(void);
int sg_grab(struct burn_drive *);
int sg_release(struct burn_drive *);
int sg_issue_command(struct burn_drive *, struct command *);
enum response scsi_error(struct burn_drive *, unsigned char *, int);
#endif /* __SG */

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#include <stdlib.h>
#include <string.h>
#include "libburn.h"
#include "source.h"
#include "structure.h"
void burn_source_free(struct burn_source *src)
{
if (--src->refcount < 1) {
if (src->free_data)
src->free_data(src);
free(src);
}
}
enum burn_source_status burn_track_set_source(struct burn_track *t,
struct burn_source *s)
{
if (!s->read)
return BURN_SOURCE_FAILED;
s->refcount++;
t->source = s;
return BURN_SOURCE_OK;
}
struct burn_source *burn_source_new(void)
{
struct burn_source *out;
out = malloc(sizeof(struct burn_source));
memset(out, 0, sizeof(struct burn_source));
out->refcount = 1;
return out;
}

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef __SOURCE
#define __SOURCE
struct burn_source *burn_source_new(void);
#endif /*__SOURCE*/

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
/* scsi primary commands */
#include <unistd.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include "transport.h"
#include "spc.h"
#include "mmc.h"
#include "sbc.h"
#include "drive.h"
#include "debug.h"
#include "options.h"
/* spc command set */
static unsigned char SPC_INQUIRY[] = { 0x12, 0, 0, 0, 255, 0 };
/*static char SPC_TEST[]={0,0,0,0,0,0};*/
static unsigned char SPC_PREVENT[] = { 0x1e, 0, 0, 0, 1, 0 };
static unsigned char SPC_ALLOW[] = { 0x1e, 0, 0, 0, 0, 0 };
static unsigned char SPC_MODE_SENSE[] = { 0x5a, 0, 0, 0, 0, 0, 0, 16, 0, 0 };
static unsigned char SPC_MODE_SELECT[] =
{ 0x55, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
static unsigned char SPC_REQUEST_SENSE[] = { 0x03, 0, 0, 0, 18, 0 };
static unsigned char SPC_TEST_UNIT_READY[] = { 0x00, 0, 0, 0, 0, 0 };
int spc_test_unit_ready(struct burn_drive *d)
{
struct command c;
c.retry = 0;
c.oplen = sizeof(SPC_TEST_UNIT_READY);
memcpy(c.opcode, SPC_TEST_UNIT_READY, sizeof(SPC_TEST_UNIT_READY));
c.page = NULL;
c.dir = NO_TRANSFER;
d->issue_command(d, &c);
if (c.error)
return (c.sense[2] & 0xF) == 0;
return 1;
}
void spc_request_sense(struct burn_drive *d, struct buffer *buf)
{
struct command c;
c.retry = 0;
c.oplen = sizeof(SPC_REQUEST_SENSE);
memcpy(c.opcode, SPC_REQUEST_SENSE, sizeof(SPC_REQUEST_SENSE));
c.page = buf;
c.page->sectors = 0;
c.page->bytes = 0;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
}
int spc_get_erase_progress(struct burn_drive *d)
{
struct buffer b;
spc_request_sense(d, &b);
return (b.data[16] << 8) | b.data[17];
}
void spc_inquiry(struct burn_drive *d)
{
struct buffer buf;
struct scsi_inquiry_data *id;
struct command c;
memcpy(c.opcode, SPC_INQUIRY, sizeof(SPC_INQUIRY));
c.retry = 1;
c.oplen = sizeof(SPC_INQUIRY);
c.page = &buf;
c.page->bytes = 0;
c.page->sectors = 0;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
id = (struct scsi_inquiry_data *)d->idata;
id->vendor[8] = 0;
id->product[16] = 0;
id->revision[4] = 0;
memcpy(id->vendor, c.page->data + 8, 8);
memcpy(id->product, c.page->data + 16, 16);
memcpy(id->revision, c.page->data + 32, 4);
id->valid = 1;
return;
}
void spc_prevent(struct burn_drive *d)
{
struct command c;
memcpy(c.opcode, SPC_PREVENT, sizeof(SPC_PREVENT));
c.retry = 1;
c.oplen = sizeof(SPC_PREVENT);
c.page = NULL;
c.dir = NO_TRANSFER;
d->issue_command(d, &c);
}
void spc_allow(struct burn_drive *d)
{
struct command c;
memcpy(c.opcode, SPC_ALLOW, sizeof(SPC_ALLOW));
c.retry = 1;
c.oplen = sizeof(SPC_ALLOW);
c.page = NULL;
c.dir = NO_TRANSFER;
d->issue_command(d, &c);
}
void spc_sense_caps(struct burn_drive *d)
{
struct buffer buf;
struct scsi_mode_data *m;
int size;
unsigned char *page;
struct command c;
memcpy(c.opcode, SPC_MODE_SENSE, sizeof(SPC_MODE_SENSE));
c.retry = 1;
c.oplen = sizeof(SPC_MODE_SENSE);
c.opcode[2] = 0x2A;
c.page = &buf;
c.page->bytes = 0;
c.page->sectors = 0;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
size = c.page->data[0] * 256 + c.page->data[1];
m = d->mdata;
page = c.page->data + 8;
m->buffer_size = page[12] * 256 + page[13];
m->dvdram_read = page[2] & 32;
m->dvdram_write = page[3] & 32;
m->dvdr_read = page[2] & 16;
m->dvdr_write = page[3] & 16;
m->dvdrom_read = page[2] & 8;
m->simulate = page[3] & 4;
m->cdrw_read = page[2] & 2;
m->cdrw_write = page[3] & 2;
m->cdr_read = page[2] & 1;
m->cdr_write = page[3] & 1;
m->max_read_speed = page[8] * 256 + page[9];
m->cur_read_speed = page[14] * 256 + page[15];
m->max_write_speed = page[18] * 256 + page[19];
m->cur_write_speed = page[20] * 256 + page[21];
m->c2_pointers = page[5] & 16;
m->valid = 1;
m->underrun_proof = page[4] & 128;
}
void spc_sense_error_params(struct burn_drive *d)
{
struct buffer buf;
struct scsi_mode_data *m;
int size;
unsigned char *page;
struct command c;
memcpy(c.opcode, SPC_MODE_SENSE, sizeof(SPC_MODE_SENSE));
c.retry = 1;
c.oplen = sizeof(SPC_MODE_SENSE);
c.opcode[2] = 0x01;
c.page = &buf;
c.page->bytes = 0;
c.page->sectors = 0;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
size = c.page->data[0] * 256 + c.page->data[1];
m = d->mdata;
page = c.page->data + 8;
d->params.retries = page[3];
m->retry_page_length = page[1];
m->retry_page_valid = 1;
}
void spc_select_error_params(struct burn_drive *d,
const struct burn_read_opts *o)
{
struct buffer buf;
struct command c;
memcpy(c.opcode, SPC_MODE_SELECT, sizeof(SPC_MODE_SELECT));
c.retry = 1;
c.oplen = sizeof(SPC_MODE_SELECT);
c.opcode[8] = 8 + 2 + d->mdata->retry_page_length;
c.page = &buf;
c.page->bytes = 0;
c.page->sectors = 0;
assert(d->mdata->valid);
memset(c.page->data, 0, 8 + 2 + d->mdata->retry_page_length);
c.page->bytes = 8 + 2 + d->mdata->retry_page_length;
c.page->data[8] = 1;
c.page->data[9] = d->mdata->retry_page_length;
if (o->transfer_damaged_blocks)
c.page->data[10] |= 32;
if (o->report_recovered_errors)
c.page->data[10] |= 4;
if (!o->hardware_error_recovery)
c.page->data[10] |= 1;
/*burn_print(1, "error parameter 0x%x\n", c->page->data[10]);*/
c.page->data[11] = d->params.retries;
c.dir = TO_DRIVE;
d->issue_command(d, &c);
}
void spc_sense_write_params(struct burn_drive *d)
{
struct buffer buf;
struct scsi_mode_data *m;
int size;
unsigned char *page;
struct command c;
assert(d->mdata->cdr_write || d->mdata->cdrw_write ||
d->mdata->dvdr_write || d->mdata->dvdram_write);
memcpy(c.opcode, SPC_MODE_SENSE, sizeof(SPC_MODE_SENSE));
c.retry = 1;
c.oplen = sizeof(SPC_MODE_SENSE);
c.opcode[2] = 0x05;
c.page = &buf;
c.page->bytes = 0;
c.page->sectors = 0;
c.dir = FROM_DRIVE;
d->issue_command(d, &c);
size = c.page->data[0] * 256 + c.page->data[1];
m = d->mdata;
page = c.page->data + 8;
burn_print(1, "write page length 0x%x\n", page[1]);
m->write_page_length = page[1];
m->write_page_valid = 1;
mmc_read_disc_info(d);
}
void spc_select_write_params(struct burn_drive *d,
const struct burn_write_opts *o)
{
struct buffer buf;
struct command c;
int bufe, sim;
assert(o->drive == d);
memcpy(c.opcode, SPC_MODE_SELECT, sizeof(SPC_MODE_SELECT));
c.retry = 1;
c.oplen = sizeof(SPC_MODE_SELECT);
c.opcode[8] = 8 + 2 + d->mdata->write_page_length;
c.page = &buf;
c.page->bytes = 0;
c.page->sectors = 0;
assert(d->mdata->valid);
memset(c.page->data, 0, 8 + 2 + d->mdata->write_page_length);
c.page->bytes = 8 + 2 + d->mdata->write_page_length;
c.page->data[8] = 5;
c.page->data[9] = d->mdata->write_page_length;
burn_print(12, "using write page length %d (valid %d)\n",
d->mdata->write_page_length, d->mdata->write_page_valid);
bufe = o->underrun_proof;
sim = o->simulate;
c.page->data[10] = (bufe << 6)
+ (sim << 4)
+ o->write_type;
c.page->data[11] = (o->multi << 6) | o->control;
c.page->data[12] = spc_block_type(o->block_type);
c.page->data[22] = 0;
c.page->data[23] = 150; /* audio pause length */
/*XXX need session format! */
c.dir = TO_DRIVE;
d->issue_command(d, &c);
}
void spc_getcaps(struct burn_drive *d)
{
spc_inquiry(d);
spc_sense_caps(d);
spc_sense_error_params(d);
}
/*
only called when a blank is present, so we set type to blank
(on the last pass)
don't check totally stupid modes (raw/raw0)
some drives say they're ok, and they're not.
*/
void spc_probe_write_modes(struct burn_drive *d)
{
struct buffer buf;
int try_write_type = 1;
int try_block_type = 0;
int key, asc, ascq;
struct command c;
while (try_write_type != 4) {
burn_print(9, "trying %d, %d\n", try_write_type,
try_block_type);
memcpy(c.opcode, SPC_MODE_SELECT, sizeof(SPC_MODE_SELECT));
c.retry = 1;
c.oplen = sizeof(SPC_MODE_SELECT);
c.opcode[8] = 8 + 2 + 0x32;
c.page = &buf;
memset(c.page->data, 0, 8 + 2 + 0x32);
c.page->bytes = 8 + 2 + 0x32;
c.page->data[8] = 5;
c.page->data[9] = 0x32;
c.page->data[10] = try_write_type;
if (try_block_type > 4)
c.page->data[11] = 4;
else
c.page->data[11] = 0;
c.page->data[12] = try_block_type;
c.page->data[23] = 150;
c.dir = TO_DRIVE;
d->issue_command(d, &c);
key = c.sense[2];
asc = c.sense[12];
ascq = c.sense[13];
if (key)
burn_print(7, "%d not supported\n", try_block_type);
else {
burn_print(7, "%d:%d SUPPORTED MODE!\n",
try_write_type, try_block_type);
if (try_write_type == 2) /* sao */
d->block_types[try_write_type] =
BURN_BLOCK_SAO;
else
d->block_types[try_write_type] |=
1 << try_block_type;
}
switch (try_block_type) {
case 0:
case 1:
case 2:
try_block_type++;
break;
case 3:
try_block_type = 8;
break;
case 8:
case 9:
case 10:
case 11:
case 12:
try_block_type++;
break;
case 13:
try_block_type = 0;
try_write_type++;
break;
default:
return;
}
}
}
int spc_block_type(enum burn_block_types b)
{
switch (b) {
case BURN_BLOCK_SAO:
return 0; /* ignored bitz */
case BURN_BLOCK_RAW0:
return 0;
case BURN_BLOCK_RAW16:
return 1;
case BURN_BLOCK_RAW96P:
return 2;
case BURN_BLOCK_RAW96R:
return 3;
case BURN_BLOCK_MODE1:
return 8;
case BURN_BLOCK_MODE2R:
return 9;
case BURN_BLOCK_MODE2_PATHETIC:
return 10;
case BURN_BLOCK_MODE2_LAME:
return 11;
case BURN_BLOCK_MODE2_OBSCURE:
return 12;
case BURN_BLOCK_MODE2_OK:
return 13;
}
assert(0);
}

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef __SPC
#define __SPC
#include "libburn.h"
void spc_inquiry(struct burn_drive *);
void spc_prevent(struct burn_drive *);
void spc_allow(struct burn_drive *);
void spc_sense_caps(struct burn_drive *);
void spc_sense_error_params(struct burn_drive *);
void spc_select_error_params(struct burn_drive *,
const struct burn_read_opts *);
void spc_getcaps(struct burn_drive *d);
void spc_sense_write_params(struct burn_drive *);
void spc_select_write_params(struct burn_drive *,
const struct burn_write_opts *);
void spc_probe_write_modes(struct burn_drive *);
void spc_request_sense(struct burn_drive *d, struct buffer *buf);
int spc_block_type(enum burn_block_types b);
int spc_get_erase_progress(struct burn_drive *d);
int spc_test_unit_ready(struct burn_drive *d);
#endif /*__SPC*/

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#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "libburn.h"
#include "structure.h"
#include "write.h"
#include "debug.h"
#define RESIZE(TO, NEW, pos) {\
void *tmp;\
\
assert(!(pos > BURN_POS_END));\
if (pos == BURN_POS_END)\
pos = TO->NEW##s;\
if (pos > TO->NEW##s)\
return 0;\
\
tmp = realloc(TO->NEW, sizeof(struct NEW *) * (TO->NEW##s + 1));\
if (!tmp)\
return 0;\
TO->NEW = tmp;\
memmove(TO->NEW + pos + 1, TO->NEW + pos,\
sizeof(struct NEW *) * (TO->NEW##s - pos));\
TO->NEW##s++;\
}
struct burn_disc *burn_disc_create(void)
{
struct burn_disc *d;
d = malloc(sizeof(struct burn_disc));
memset(d, 0, sizeof(struct burn_disc));
d->refcnt = 1;
d->sessions = 0;
d->session = NULL;
return d;
}
void burn_disc_free(struct burn_disc *d)
{
d->refcnt--;
if (d->refcnt == 0) {
/* dec refs on all elements */
int i;
for (i = 0; i < d->sessions; i++)
burn_session_free(d->session[i]);
free(d->session);
free(d);
}
}
struct burn_session *burn_session_create(void)
{
struct burn_session *s;
s = malloc(sizeof(struct burn_session));
memset(s, 0, sizeof(struct burn_session));
s->refcnt = 1;
s->tracks = 0;
s->track = NULL;
s->hidefirst = 0;
return s;
}
void burn_session_hide_first_track(struct burn_session *s, int onoff)
{
s->hidefirst = onoff;
}
void burn_session_free(struct burn_session *s)
{
s->refcnt--;
if (s->refcnt == 0) {
/* dec refs on all elements */
int i;
for (i = 0; i < s->tracks; i++)
burn_track_free(s->track[i]);
free(s->track);
free(s);
}
}
int burn_disc_add_session(struct burn_disc *d, struct burn_session *s,
unsigned int pos)
{
RESIZE(d, session, pos);
d->session[pos] = s;
s->refcnt++;
return 1;
}
struct burn_track *burn_track_create(void)
{
struct burn_track *t;
t = malloc(sizeof(struct burn_track));
memset(t, 0, sizeof(struct burn_track));
t->refcnt = 1;
t->indices = 0;
t->offset = 0;
t->offsetcount = 0;
t->tail = 0;
t->tailcount = 0;
t->mode = BURN_MODE1;
t->isrc.has_isrc = 0;
t->pad = 1;
t->entry = NULL;
t->source = NULL;
t->postgap = 0;
t->pregap1 = 0;
t->pregap2 = 0;
return t;
}
void burn_track_free(struct burn_track *t)
{
t->refcnt--;
if (t->refcnt == 0) {
/* dec refs on all elements */
if (t->source)
burn_source_free(t->source);
free(t);
}
}
int burn_session_add_track(struct burn_session *s, struct burn_track *t,
unsigned int pos)
{
RESIZE(s, track, pos);
s->track[pos] = t;
t->refcnt++;
return 1;
}
int burn_session_remove_track(struct burn_session *s, struct burn_track *t)
{
struct burn_track **tmp;
int i, pos = -1;
assert(s->track != NULL);
burn_track_free(t);
/* Find the position */
for (i = 0; i < s->tracks; i++) {
if (t == s->track[i])
pos = i;
}
if (pos == -1)
return 0;
/* Is it the last track? */
if (pos != s->tracks) {
memmove(s->track[pos], s->track[pos + 1],
sizeof(struct burn_track *) * (s->tracks - (pos + 1)));
}
s->tracks--;
tmp = realloc(s->track, sizeof(struct burn_track *) * s->tracks);
if (!tmp)
return 0;
s->track = tmp;
return 1;
}
void burn_structure_print_disc(struct burn_disc *d)
{
int i;
burn_print(12, "This disc has %d sessions\n", d->sessions);
for (i = 0; i < d->sessions; i++) {
burn_structure_print_session(d->session[i]);
}
}
void burn_structure_print_session(struct burn_session *s)
{
int i;
burn_print(12, " Session has %d tracks\n", s->tracks);
for (i = 0; i < s->tracks; i++) {
burn_structure_print_track(s->track[i]);
}
}
void burn_structure_print_track(struct burn_track *t)
{
burn_print(12, "(%p) track size %d sectors\n", t,
burn_track_get_sectors(t));
}
void burn_track_define_data(struct burn_track *t, int offset, int tail,
int pad, int mode)
{
t->offset = offset;
t->pad = pad;
t->mode = mode;
t->tail = tail;
}
void burn_track_set_isrc(struct burn_track *t, char *country, char *owner,
unsigned char year, unsigned int serial)
{
int i;
t->isrc.has_isrc = 1;
for (i = 0; i < 2; ++i) {
assert((country[i] >= '0' || country[i] < '9') &&
(country[i] >= 'a' || country[i] < 'z') &&
(country[i] >= 'A' || country[i] < 'Z'));
t->isrc.country[i] = country[i];
}
for (i = 0; i < 3; ++i) {
assert((owner[i] >= '0' || owner[i] < '9') &&
(owner[i] >= 'a' || owner[i] < 'z') &&
(owner[i] >= 'A' || owner[i] < 'Z'));
t->isrc.owner[i] = owner[i];
}
assert(year <= 99);
t->isrc.year = year;
assert(serial <= 99999);
t->isrc.serial = serial;
}
void burn_track_clear_isrc(struct burn_track *t)
{
t->isrc.has_isrc = 0;
}
int burn_track_get_sectors(struct burn_track *t)
{
int size;
int sectors, seclen;
seclen = burn_sector_length(t->mode);
size = t->offset + t->source->get_size(t->source) + t->tail;
sectors = size / seclen;
if (size % seclen)
sectors++;
burn_print(1, "%d sectors of %d length\n", sectors, seclen);
return sectors;
}
int burn_track_get_shortage(struct burn_track *t)
{
int size;
int seclen;
seclen = burn_sector_length(t->mode);
size = t->offset + t->source->get_size(t->source) + t->tail;
if (size % seclen)
return seclen - size % seclen;
return 0;
}
int burn_session_get_sectors(struct burn_session *s)
{
int sectors = 0, i;
for (i = 0; i < s->tracks; i++)
sectors += burn_track_get_sectors(s->track[i]);
return sectors;
}
int burn_disc_get_sectors(struct burn_disc *d)
{
int sectors = 0, i;
for (i = 0; i < d->sessions; i++)
sectors += burn_session_get_sectors(d->session[i]);
return sectors;
}
void burn_track_get_entry(struct burn_track *t, struct burn_toc_entry *entry)
{
memcpy(entry, t->entry, sizeof(struct burn_toc_entry));
}
void burn_session_get_leadout_entry(struct burn_session *s,
struct burn_toc_entry *entry)
{
memcpy(entry, s->leadout_entry, sizeof(struct burn_toc_entry));
}
struct burn_session **burn_disc_get_sessions(struct burn_disc *d, int *num)
{
*num = d->sessions;
return d->session;
}
struct burn_track **burn_session_get_tracks(struct burn_session *s, int *num)
{
*num = s->tracks;
return s->track;
}
int burn_track_get_mode(struct burn_track *track)
{
return track->mode;
}
int burn_session_get_hidefirst(struct burn_session *session)
{
return session->hidefirst;
}

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#ifndef BURN__STRUCTURE_H
#define BURN__STRUCTURE_H
struct isrc
{
int has_isrc;
char country[2]; /* each must be 0-9, A-Z */
char owner[3]; /* each must be 0-9, A-Z */
unsigned char year; /* must be 0-99 */
unsigned int serial; /* must be 0-99999 */
};
struct burn_track
{
int refcnt;
struct burn_toc_entry *entry;
unsigned char indices;
/* lba address of the index */
unsigned int index[99];
/** number of 0 bytes to write before data */
int offset;
/** how much offset has been used */
int offsetcount;
/** Number of zeros to write after data */
int tail;
/** how much tail has been used */
int tailcount;
/** 1 means Pad with zeros, 0 means start reading the next track */
int pad;
/** Data source */
struct burn_source *source;
/** End of Source flag */
int eos;
/** The audio/data mode for the entry. Derived from control and
possibly from reading the track's first sector. */
int mode;
/** The track contains interval one of a pregap */
int pregap1;
/** The track contains interval two of a pregap */
int pregap2;
/** The track contains a postgap */
int postgap;
struct isrc isrc;
};
struct burn_session
{
unsigned char firsttrack;
unsigned char lasttrack;
int hidefirst;
unsigned char start_m;
unsigned char start_s;
unsigned char start_f;
struct burn_toc_entry *leadout_entry;
int tracks;
struct burn_track **track;
int refcnt;
};
struct burn_disc
{
int sessions;
struct burn_session **session;
int refcnt;
};
int burn_track_get_shortage(struct burn_track *t);
#endif /* BURN__STRUCTURE_H */

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#include <assert.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "toc.h"
#include "transport.h"
#include "libburn.h"
#include "sector.h"
#include "options.h"
#if 0
static void write_clonecd2(volatile struct toc *toc, int f);
static void write_clonecd2(volatile struct toc *toc, int f)
{
int i;
/* header */
dprintf(f, "[CloneCD]\r\n");
dprintf(f, "Version=2\r\n");
dprintf(f, "\r\n");
/* disc data */
dprintf(f, "[Disc]\r\n");
dprintf(f, "TocEntries=%d\r\n", toc->toc_entries);
dprintf(f, "Sessions=%d\r\n", toc->sessions);
dprintf(f, "DataTracksScrambled=%d\r\n", toc->datatracksscrambled);
dprintf(f, "CDTextLength=%d\r\n", toc->cdtextlength);
dprintf(f, "\r\n");
/* session data */
for (i = 0; i < toc->sessions; ++i) {
dprintf(f, "[Session %d]\r\n", i + 1);
{
int m;
switch (toc->session[i].track[0]->mode) {
case BURN_MODE_RAW_DATA:
case BURN_MODE_AUDIO:
m = 0;
break;
case BURN_MODE0:
m = 1;
break;
case BURN_MODE1:
case BURN_MODE2_FORMLESS:
case BURN_MODE2_FORM1:
case BURN_MODE2_FORM2:
case BURN_MODE_UNINITIALIZED:
assert(0); /* unhandled! find out ccd's
value for these modes! */
}
dprintf(f, "PreGapMode=%d\r\n", m);
}
dprintf(f, "\r\n");
}
for (i = 0; i < toc->toc_entries; ++i) {
dprintf(f, "[Entry %d]\r\n", i);
dprintf(f, "Session=%d\r\n", toc->toc_entry[i].session);
dprintf(f, "Point=0x%02x\r\n", toc->toc_entry[i].point);
dprintf(f, "ADR=0x%02x\r\n", toc->toc_entry[i].adr);
dprintf(f, "Control=0x%02x\r\n", toc->toc_entry[i].control);
dprintf(f, "TrackNo=%d\r\n", toc->toc_entry[i].tno);
dprintf(f, "AMin=%d\r\n", toc->toc_entry[i].min);
dprintf(f, "ASec=%d\r\n", toc->toc_entry[i].sec);
dprintf(f, "AFrame=%d\r\n", toc->toc_entry[i].frame);
dprintf(f, "ALBA=%d\r\n",
burn_msf_to_lba(toc->toc_entry[i].min,
toc->toc_entry[i].sec,
toc->toc_entry[i].frame));
dprintf(f, "Zero=%d\r\n", toc->toc_entry[i].zero);
dprintf(f, "PMin=%d\r\n", toc->toc_entry[i].pmin);
dprintf(f, "PSec=%d\r\n", toc->toc_entry[i].psec);
dprintf(f, "PFrame=%d\r\n", toc->toc_entry[i].pframe);
dprintf(f, "PLBA=%d\r\n",
burn_msf_to_lba(toc->toc_entry[i].pmin,
toc->toc_entry[i].psec,
toc->toc_entry[i].pframe));
dprintf(f, "\r\n");
}
}
#endif
void toc_find_modes(struct burn_drive *d)
{
struct burn_read_opts o;
int lba;
int i, j;
struct buffer mem;
struct burn_toc_entry *e;
assert(d->busy);
mem.bytes = 0;
mem.sectors = 1;
o.raw = 1;
o.c2errors = 0;
o.subcodes_audio = 1;
o.subcodes_data = 1;
o.hardware_error_recovery = 1;
o.report_recovered_errors = 0;
o.transfer_damaged_blocks = 1;
o.hardware_error_retries = 1;
for (i = 0; i < d->disc->sessions; i++)
for (j = 0; j < d->disc->session[i]->tracks; j++) {
struct burn_track *t = d->disc->session[i]->track[j];
e = t->entry;
if (!e)
lba = 0;
else
lba = burn_msf_to_lba(e->pmin, e->psec,
e->pframe);
/* XXX | in the subcodes if appropriate! */
if (e && !(e->control & 4)) {
t->mode = BURN_AUDIO;
} else {
mem.sectors = 1;
d->read_sectors(d, lba, mem.sectors, &o, &mem);
t->mode = sector_identify(mem.data);
}
}
}

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef __TOC_H
#define __TOC_H
struct command;
#include "libburn.h"
#include "structure.h"
/* return if a given entry refers to a track position */
#define TOC_ENTRY_IS_TRACK(drive, entrynum) \
((drive)->toc_entry[entrynum].point < 100)
/* return if a given entry is in audio or data format */
#define TOC_ENTRY_IS_AUDIO(drive, entrynum) \
(~(drive)->toc_entry[entrynum].control & 4)
/* return the point value for a given entry number */
#define TOC_POINT(drive, entrynum) ((drive)->toc_entry[entrynum].point)
/* return the track struct for a given entry number */
#define TOC_TRACK(drive, entrynum) \
((drive)->track[TOC_POINT(drive, entrynum) - 1])
/* return the lba of a toc entry */
#define TOC_ENTRY_PLBA(drive, entrynum) \
burn_msf_to_lba((drive)->toc_entry[(entrynum)].pmin, \
(drive)->toc_entry[(entrynum)].psec, \
(drive)->toc_entry[(entrynum)].pframe)
/* flags for the q subchannel control field */
#define TOC_CONTROL_AUDIO (0)
#define TOC_CONTROL_DATA (1 << 2)
#define TOC_CONTROL_AUDIO_TWO_CHANNELS (0)
#define TOC_CONTROL_AUDIO_FOUR_CHANNELS (1 << 3)
#define TOC_CONTROL_AUDIO_PRE_EMPHASIS (1 << 0)
#define TOC_CONTROL_DATA_RECORDED_UNINTERRUPTED (0)
#define TOC_CONTROL_DATA_RECORDED_INCREMENT (1 << 0)
#define TOC_CONTROL_COPY_PROHIBITED (0)
#define TOC_CONTROL_COPY_PERMITTED (1 << 1)
/** read a sector from each track on disc to determine modes
@param d The drive.
*/
void toc_find_modes(struct burn_drive *d);
#endif /*__TOC_H*/

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef __TRANSPORT
#define __TRANSPORT
#include "libburn.h"
#include <pthread.h>
/* sg data structures */
#include <sys/types.h>
#include <scsi/sg.h>
#include <scsi/scsi.h>
/* kludge! glibc headers don't define all the SCSI shit that we use! */
#ifndef SG_GET_ACCESS_COUNT
# define SG_GET_ACCESS_COUNT 0x2289
#endif
#define BUFFER_SIZE 65536
enum transfer_direction
{ TO_DRIVE, FROM_DRIVE, NO_TRANSFER };
/* end of sg data structures */
/* generic 'drive' data structures */
struct cue_sheet
{
int count;
unsigned char *data;
};
struct params
{
int speed;
int retries;
};
struct buffer
{
unsigned char data[BUFFER_SIZE];
int sectors;
int bytes;
};
struct command
{
unsigned char opcode[16];
int oplen;
int dir;
unsigned char sense[128];
int error;
int retry;
struct buffer *page;
};
struct scsi_inquiry_data
{
char vendor[9];
char product[17];
char revision[5];
int valid;
};
struct scsi_mode_data
{
int buffer_size;
int dvdram_read;
int dvdram_write;
int dvdr_read;
int dvdr_write;
int dvdrom_read;
int cdrw_read;
int cdrw_write;
int cdr_read;
int cdr_write;
int simulate;
int max_read_speed;
int max_write_speed;
int cur_read_speed;
int cur_write_speed;
int retry_page_length;
int retry_page_valid;
int write_page_length;
int write_page_valid;
int c2_pointers;
int valid;
int underrun_proof;
};
struct burn_drive
{
int host;
int id;
int channel;
int lun;
char *devname;
int fd;
pthread_mutex_t access_lock;
enum burn_disc_status status;
int erasable;
volatile int released;
int nwa; /* next writeable address */
int alba; /* absolute lba */
int rlba; /* relative lba in section */
int start_lba;
int end_lba;
int toc_temp;
struct burn_disc *disc; /* disc structure */
int block_types[4];
struct buffer *buffer;
struct burn_progress progress;
volatile int cancel;
volatile enum burn_drive_status busy;
/* transport functions */
int (*grab) (struct burn_drive *);
int (*release) (struct burn_drive *);
int (*issue_command) (struct burn_drive *, struct command *);
/* lower level functions */
void (*erase) (struct burn_drive *, int);
void (*getcaps) (struct burn_drive *);
int (*write) (struct burn_drive *, int, struct buffer *);
void (*read_toc) (struct burn_drive *);
void (*lock) (struct burn_drive *);
void (*unlock) (struct burn_drive *);
void (*eject) (struct burn_drive *);
void (*load) (struct burn_drive *);
void (*read_disc_info) (struct burn_drive *);
void (*read_sectors) (struct burn_drive *,
int start,
int len,
const struct burn_read_opts *, struct buffer *);
void (*perform_opc) (struct burn_drive *);
void (*set_speed) (struct burn_drive *, int, int);
void (*send_parameters) (struct burn_drive *,
const struct burn_read_opts *);
void (*send_write_parameters) (struct burn_drive *,
const struct burn_write_opts *);
void (*send_cue_sheet) (struct burn_drive *, struct cue_sheet *);
void (*sync_cache) (struct burn_drive *);
int (*get_erase_progress) (struct burn_drive *);
int (*get_nwa) (struct burn_drive *);
void (*close_disc) (struct burn_drive * d, struct burn_write_opts * o);
void (*close_session) (struct burn_drive * d,
struct burn_write_opts * o);
int (*test_unit_ready) (struct burn_drive * d);
void (*probe_write_modes) (struct burn_drive * d);
struct params params;
struct scsi_inquiry_data *idata;
struct scsi_mode_data *mdata;
int toc_entries;
struct burn_toc_entry *toc_entry;
};
/* end of generic 'drive' data structures */
#endif /* __TRANSPORT */

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#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include "../version.h"
#include "util.h"
#include "libburn.h"
char *burn_strdup(char *s)
{
char *ret;
int l;
assert(s);
l = strlen(s) + 1;
ret = malloc(l);
memcpy(ret, s, l);
return ret;
}
char *burn_strndup(char *s, int n)
{
char *ret;
int l;
assert(s);
assert(n > 0);
l = strlen(s);
ret = malloc(l < n ? l : n);
memcpy(ret, s, l < n - 1 ? l : n - 1);
ret[n - 1] = '\0';
return ret;
}
void burn_version(int *major, int *minor, int *micro)
{
*major = BURN_MAJOR_VERSION;
*minor = BURN_MINOR_VERSION;
*micro = BURN_MICRO_VERSION;
}

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#ifndef __UTIL
#define __UTIL
char *burn_strdup(char *s);
char *burn_strndup(char *s, int n);
#endif

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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#include <unistd.h>
#include <signal.h>
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include "error.h"
#include "sector.h"
#include "libburn.h"
#include "drive.h"
#include "transport.h"
#include "message.h"
#include "crc.h"
#include "debug.h"
#include "init.h"
#include "lec.h"
#include "toc.h"
#include "util.h"
#include "sg.h"
#include "write.h"
#include "options.h"
static int type_to_ctrl(int mode)
{
int ctrl = 0;
int data = BURN_MODE2 | BURN_MODE1 | BURN_MODE0;
if (mode & data) {
ctrl |= 4;
} else if (mode & BURN_AUDIO) {
if (mode & BURN_4CH)
ctrl |= 8;
if (mode & BURN_PREEMPHASIS)
ctrl |= 1;
} else
assert(0);
if (mode & BURN_COPY)
ctrl |= 2;
return ctrl;
}
/* only the ctrl nibble is set here (not adr) */
static void type_to_form(int mode, unsigned char *ctladr, int *form)
{
*ctladr = type_to_ctrl(mode) << 4;
if (mode & BURN_AUDIO)
*form = 0;
if (mode & BURN_MODE0)
assert(0);
if (mode & BURN_MODE1)
*form = 0x10;
if (mode & BURN_MODE2)
assert(0); /* XXX someone's gonna want this sometime */
if (mode & BURN_MODE_RAW)
*form = 0;
if (mode & BURN_SUBCODE_P16) /* must be expanded to R96 */
*form |= 0x40;
if (mode & BURN_SUBCODE_P96)
*form |= 0xC0;
if (mode & BURN_SUBCODE_R96)
*form |= 0x40;
}
int burn_write_flush(struct burn_write_opts *o)
{
struct burn_drive *d = o->drive;
if (d->buffer->bytes && !d->cancel) {
int err;
err = d->write(d, d->nwa, d->buffer);
if (err == BE_CANCELLED)
return 0;
d->nwa += d->buffer->sectors;
}
d->sync_cache(d);
return 1;
}
static void print_cue(struct cue_sheet *sheet)
{
int i;
unsigned char *unit;
printf("\n");
printf("ctladr|trno|indx|form|scms| msf\n");
printf("------+----+----+----+----+--------\n");
for (i = 0; i < sheet->count; i++) {
unit = sheet->data + 8 * i;
printf(" %1X %1X | %02X | %02X | %02X | %02X |",
(unit[0] & 0xf0) >> 4, unit[0] & 0xf, unit[1], unit[2],
unit[3], unit[4]);
printf("%02X:%02X:%02X\n", unit[5], unit[6], unit[7]);
}
}
static void add_cue(struct cue_sheet *sheet, unsigned char ctladr,
unsigned char tno, unsigned char indx,
unsigned char form, unsigned char scms, int lba)
{
unsigned char *unit;
unsigned char *ptr;
int m, s, f;
burn_lba_to_msf(lba, &m, &s, &f);
sheet->count++;
ptr = realloc(sheet->data, sheet->count * 8);
assert(ptr);
sheet->data = ptr;
unit = sheet->data + (sheet->count - 1) * 8;
unit[0] = ctladr;
unit[1] = tno;
unit[2] = indx;
unit[3] = form;
unit[4] = scms;
unit[5] = m;
unit[6] = s;
unit[7] = f;
}
struct cue_sheet *burn_create_toc_entries(struct burn_write_opts *o,
struct burn_session *session)
{
int i, m, s, f, form, pform, runtime = -150;
unsigned char ctladr;
struct burn_drive *d;
struct burn_toc_entry *e;
struct cue_sheet *sheet;
struct burn_track **tar = session->track;
int ntr = session->tracks;
int rem = 0;
d = o->drive;
sheet = malloc(sizeof(struct cue_sheet));
sheet->data = NULL;
sheet->count = 0;
type_to_form(tar[0]->mode, &ctladr, &form);
add_cue(sheet, ctladr | 1, 0, 0, 1, 0, runtime);
add_cue(sheet, ctladr | 1, 1, 0, form, 0, runtime);
runtime += 150;
burn_print(1, "toc for %d tracks:\n", ntr);
d->toc_entries = ntr + 3;
assert(d->toc_entry == NULL);
d->toc_entry = malloc(d->toc_entries * sizeof(struct burn_toc_entry));
e = d->toc_entry;
memset((void *)e, 0, d->toc_entries * sizeof(struct burn_toc_entry));
e[0].point = 0xA0;
if (tar[0]->mode & BURN_AUDIO)
e[0].control = TOC_CONTROL_AUDIO;
else
e[0].control = TOC_CONTROL_DATA;
e[0].pmin = 1;
e[0].psec = o->format;
e[0].adr = 1;
e[1].point = 0xA1;
e[1].pmin = ntr;
e[1].adr = 1;
if (tar[ntr - 1]->mode & BURN_AUDIO)
e[1].control = TOC_CONTROL_AUDIO;
else
e[1].control = TOC_CONTROL_DATA;
e[2].point = 0xA2;
e[2].control = e[1].control;
e[2].adr = 1;
tar[0]->pregap2 = 1;
pform = form;
for (i = 0; i < ntr; i++) {
type_to_form(tar[i]->mode, &ctladr, &form);
if (pform != form) {
add_cue(sheet, ctladr | 1, i + 1, 0, form, 0, runtime);
runtime += 150;
/* XXX fix pregap interval 1 for data tracks */
// if (!(form & BURN_AUDIO))
// tar[i]->pregap1 = 1;
tar[i]->pregap2 = 1;
}
/* XXX HERE IS WHERE WE DO INDICES IN THE CUE SHEET */
/* XXX and we should make sure the gaps conform to ecma-130... */
tar[i]->entry = &e[3 + i];
e[3 + i].point = i + 1;
burn_lba_to_msf(runtime, &m, &s, &f);
e[3 + i].pmin = m;
e[3 + i].psec = s;
e[3 + i].pframe = f;
e[3 + i].adr = 1;
e[3 + i].control = type_to_ctrl(tar[i]->mode);
burn_print(1, "track %d control %d\n", tar[i]->mode,
e[3 + i].control);
add_cue(sheet, ctladr | 1, i + 1, 1, form, 0, runtime);
runtime += burn_track_get_sectors(tar[i]);
/* if we're padding, we'll clear any current shortage.
if we're not, we'll slip toc entries by a sector every time our
shortage is more than a sector
XXX this is untested :)
*/
if (!tar[i]->pad) {
rem += burn_track_get_shortage(tar[i]);
if (i +1 != ntr)
tar[i]->source->next = tar[i+1]->source;
} else if (rem) {
rem = 0;
runtime++;
}
if (rem > burn_sector_length(tar[i]->mode)) {
rem -= burn_sector_length(tar[i]->mode);
runtime--;
}
pform = form;
}
burn_lba_to_msf(runtime, &m, &s, &f);
e[2].pmin = m;
e[2].psec = s;
e[2].pframe = f;
burn_print(1, "run time is %d (%d:%d:%d)\n", runtime, m, s, f);
for (i = 0; i < d->toc_entries; i++)
burn_print(1, "point %d (%02d:%02d:%02d)\n",
d->toc_entry[i].point, d->toc_entry[i].pmin,
d->toc_entry[i].psec, d->toc_entry[i].pframe);
add_cue(sheet, ctladr | 1, 0xAA, 1, 1, 0, runtime);
return sheet;
}
int burn_sector_length(int tracktype)
{
if (tracktype & BURN_AUDIO)
return 2352;
if (tracktype & BURN_MODE_RAW)
return 2352;
if (tracktype & BURN_MODE1)
return 2048;
assert(0);
return 12345;
}
int burn_subcode_length(int tracktype)
{
if (tracktype & BURN_SUBCODE_P16)
return 16;
if ((tracktype & BURN_SUBCODE_P96) || (tracktype & BURN_SUBCODE_R96))
return 96;
return 0;
}
int burn_write_leadin(struct burn_write_opts *o,
struct burn_session *s, int first)
{
struct burn_drive *d = o->drive;
int count;
d->busy = BURN_DRIVE_WRITING_LEADIN;
burn_print(5, first ? " first leadin\n" : " leadin\n");
if (first)
count = 0 - d->alba - 150;
else
count = 4500;
d->progress.start_sector = d->alba;
d->progress.sectors = count;
d->progress.sector = 0;
while (count != 0) {
if (!sector_toc(o, s->track[0]->mode))
return 0;
count--;
d->progress.sector++;
}
d->busy = BURN_DRIVE_WRITING;
return 1;
}
int burn_write_leadout(struct burn_write_opts *o,
int first, unsigned char control, int mode)
{
struct burn_drive *d = o->drive;
int count;
d->busy = BURN_DRIVE_WRITING_LEADOUT;
d->rlba = -150;
burn_print(5, first ? " first leadout\n" : " leadout\n");
if (first)
count = 6750;
else
count = 2250;
d->progress.start_sector = d->alba;
d->progress.sectors = count;
d->progress.sector = 0;
while (count != 0) {
if (!sector_lout(o, control, mode))
return 0;
count--;
d->progress.sector++;
}
d->busy = BURN_DRIVE_WRITING;
return 1;
}
int burn_write_session(struct burn_write_opts *o, struct burn_session *s)
{
struct burn_drive *d = o->drive;
struct burn_track *prev = NULL, *next = NULL;
int i;
d->rlba = 0;
burn_print(1, " writing a session\n");
for (i = 0; i < s->tracks; i++) {
if (i > 0)
prev = s->track[i - 1];
if (i + 1 < s->tracks)
next = s->track[i + 1];
else
next = NULL;
if (!burn_write_track(o, s, i))
return 0;
}
return 1;
}
int burn_write_track(struct burn_write_opts *o, struct burn_session *s,
int tnum)
{
struct burn_track *t = s->track[tnum];
struct burn_drive *d = o->drive;
int i, tmp = 0;
int sectors;
d->rlba = -150;
/* XXX for tao, we don't want the pregaps but still want post? */
if (o->write_type != BURN_WRITE_TAO) {
if (t->pregap1)
d->rlba += 75;
if (t->pregap2)
d->rlba += 150;
if (t->pregap1) {
struct burn_track *pt = s->track[tnum - 1];
if (tnum == 0) {
printf("first track should not have a pregap1\n");
pt = t;
}
for (i = 0; i < 75; i++)
if (!sector_pregap(o, t->entry->point,
pt->entry->control, pt->mode))
return 0;
}
if (t->pregap2)
for (i = 0; i < 150; i++)
if (!sector_pregap(o, t->entry->point,
t->entry->control, t->mode))
return 0;
} else {
o->control = t->entry->control;
d->send_write_parameters(d, o);
}
/* user data */
sectors = burn_track_get_sectors(t);
/* Update progress */
d->progress.start_sector = d->nwa;
d->progress.sectors = sectors;
d->progress.sector = 0;
burn_print(12, "track is %d sectors long\n", sectors);
if (tnum == s->tracks)
tmp = sectors > 150 ? 150 : sectors;
for (i = 0; i < sectors - tmp; i++) {
if (!sector_data(o, t, 0))
return 0;
/* update current progress */
d->progress.sector++;
}
for (; i < sectors; i++) {
burn_print(1, "last track, leadout prep\n");
if (!sector_data(o, t, 1))
return 0;
/* update progress */
d->progress.sector++;
}
if (t->postgap)
for (i = 0; i < 150; i++)
if (!sector_postgap(o, t->entry->point, t->entry->control,
t->mode))
return 0;
i = t->offset;
if (o->write_type == BURN_WRITE_SAO) {
if (d->buffer->bytes) {
int err;
err = d->write(d, d->nwa, d->buffer);
if (err == BE_CANCELLED)
return 0;
d->nwa += d->buffer->sectors;
d->buffer->bytes = 0;
d->buffer->sectors = 0;
}
}
if (o->write_type == BURN_WRITE_TAO)
if (!burn_write_flush(o))
return 0;
return 1;
}
void burn_disc_write_sync(struct burn_write_opts *o, struct burn_disc *disc)
{
struct cue_sheet *sheet;
struct burn_drive *d = o->drive;
struct buffer buf;
struct burn_track *lt;
int first = 1, i;
int res;
burn_message_clear_queue();
burn_print(1, "sync write of %d sessions\n", disc->sessions);
d->buffer = &buf;
memset(d->buffer, 0, sizeof(struct buffer));
d->rlba = -150;
d->toc_temp = 9;
/* Apparently some drives require this command to be sent, and a few drives
return crap. so we send the command, then ignore the result.
*/
res = d->get_nwa(d);
/* printf("ignored nwa: %d\n", res);*/
d->alba = d->start_lba;
d->nwa = d->alba;
if (o->write_type != BURN_WRITE_TAO)
d->send_write_parameters(d, o);
/* init progress before showing the state */
d->progress.session = 0;
d->progress.sessions = disc->sessions;
d->progress.track = 0;
d->progress.tracks = disc->session[0]->tracks;
/* TODO: handle indices */
d->progress.index = 0;
d->progress.indices = disc->session[0]->track[0]->indices;
/* TODO: handle multissession discs */
/* XXX: sectors are only set during write track */
d->progress.start_sector = 0;
d->progress.sectors = 0;
d->progress.sector = 0;
d->busy = BURN_DRIVE_WRITING;
for (i = 0; i < disc->sessions; i++) {
/* update progress */
d->progress.session = i;
d->progress.tracks = disc->session[i]->tracks;
sheet = burn_create_toc_entries(o, disc->session[i]);
/* print_cue(sheet);*/
if (o->write_type == BURN_WRITE_SAO)
d->send_cue_sheet(d, sheet);
free(sheet);
if (o->write_type == BURN_WRITE_RAW) {
if (!burn_write_leadin(o, disc->session[i], first))
goto fail;
} else {
if (first) {
d->nwa = -150;
d->alba = -150;
} else {
d->nwa += 4500;
d->alba += 4500;
}
}
if (!burn_write_session(o, disc->session[i]))
goto fail;
lt = disc->session[i]->track[disc->session[i]->tracks - 1];
if (o->write_type == BURN_WRITE_RAW) {
if (!burn_write_leadout(o, first, lt->entry->control,
lt->mode))
goto fail;
} else {
if (!burn_write_flush(o))
goto fail;
d->nwa += first ? 6750 : 2250;
d->alba += first ? 6750 : 2250;
}
if (first)
first = 0;
/* XXX: currently signs an end of session */
d->progress.sector = 0;
d->progress.start_sector = 0;
d->progress.sectors = 0;
}
if (o->write_type != BURN_WRITE_SAO)
if (!burn_write_flush(o))
goto fail;
sleep(1);
burn_print(1, "done\n");
d->busy = BURN_DRIVE_IDLE;
fail:
d->sync_cache(d);
burn_print(1, "done - failed\n");
d->busy = BURN_DRIVE_IDLE;
}

25
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/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#ifndef BURN__WRITE_H
#define BURN__WRITE_H
struct cue_sheet;
struct burn_session;
struct burn_write_opts;
struct burn_disc;
struct cue_sheet *burn_create_toc_entries(struct burn_write_opts *o,
struct burn_session *session);
int burn_sector_length(int trackmode);
int burn_subcode_length(int trackmode);
void burn_disc_write_sync(struct burn_write_opts *o, struct burn_disc *disc);
int burn_write_leadin(struct burn_write_opts *o,
struct burn_session *s, int first);
int burn_write_leadout(struct burn_write_opts *o,
int first, unsigned char control, int mode);
int burn_write_session(struct burn_write_opts *o, struct burn_session *s);
int burn_write_track(struct burn_write_opts *o, struct burn_session *s,
int tnum);
int burn_write_flush(struct burn_write_opts *o);
#endif /* BURN__WRITE_H */