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New API call burn_write_opts_set_leadin_text()

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This commit is contained in:
Thomas Schmitt
2011-12-05 20:36:31 +00:00
parent b385a3863e
commit 7be652ac6b
9 changed files with 281 additions and 19 deletions
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118
libburn/write.c
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@ -368,6 +368,7 @@ struct cue_sheet *burn_create_toc_entries(struct burn_write_opts *o,
int nwa)
{
int i, m, s, f, form, pform, runtime = -150, ret, track_length;
int leadin_form;
unsigned char ctladr;
struct burn_drive *d;
struct burn_toc_entry *e;
@ -404,7 +405,11 @@ struct cue_sheet *burn_create_toc_entries(struct burn_write_opts *o,
"Track mode has unusable value", 0, 0);
goto failed;
}
ret = add_cue(sheet, ctladr | 1, 0, 0, 1, 0, runtime);
if (o->num_text_packs > 0)
leadin_form = 0x41;
else
leadin_form = 0x01;
ret = add_cue(sheet, ctladr | 1, 0, 0, leadin_form, 0, runtime);
if (ret <= 0)
goto failed;
ret = add_cue(sheet, ctladr | 1, 1, 0, form, 0, runtime);
@ -650,11 +655,110 @@ int burn_write_leadout(struct burn_write_opts *o,
return 1;
}
int burn_write_leadin_cdtext(struct burn_write_opts *o, struct burn_session *s,
int flag)
{
int ret, i, j, si, lba, sub_cursor = 0, err, write_lba, sectors = 0;
unsigned char *subdata = NULL;
struct burn_drive *d = o->drive;
struct buffer *buf = NULL;
enum burn_drive_status was_busy;
#ifdef Libburn_debug_cd_texT
unsigned char *packs;
#endif
if (o->num_text_packs <= 0)
{ret = 1; goto ex;}
was_busy = d->busy;
d->busy = BURN_DRIVE_WRITING_LEADIN;
#ifdef Libburn_debug_cd_texT
packs = o->text_packs;
fprintf(stderr,
"libburn_DEBUG: 8 bit CD-TEXT packs to be transmitted:\n");
for (i = 0; i < 18 * o->num_text_packs; i += 18) {
fprintf(stderr, "%4d :", i / 18);
for (j = 0; j < 18; j++) {
if (j >= 4 && j <= 15 && packs[i + j] >= 32 &&
packs[i + j] <= 126 && packs[i] != 0x88 &&
packs[i] != 0x89 && packs[i] != 0x8f)
fprintf(stderr, " %c", packs[i + j]);
else
fprintf(stderr, " %2.2X", packs[i + j]);
}
fprintf(stderr, "\n");
}
#endif /* Libburn_debug_cd_texT */
/* Chop from 8 bit text pack to 6 bit subchannel */
BURN_ALLOC_MEM(subdata, unsigned char, o->num_text_packs * 24);
for (i = 0; i < 18 * o->num_text_packs; i += 3) {
si = i / 3 * 4;
subdata[si + 0] = (o->text_packs[i + 0] >> 2) & 0x3f;
subdata[si + 1] = (o->text_packs[i + 0] << 4) & 0x30;
subdata[si + 1] |= (o->text_packs[i + 1] >> 4) & 0x0f;
subdata[si + 2] = (o->text_packs[i + 1] << 2) & 0x3c;
subdata[si + 2] |= (o->text_packs[i + 2] >> 6) & 0x03;
subdata[si + 3] = (o->text_packs[i + 2] >> 0) & 0x3f;
}
/* Start at Lead-in address of ATIP and write blocks up to -150 */
BURN_ALLOC_MEM(buf, struct buffer, 1);
write_lba = d->start_lba;
for (lba = d->start_lba; lba < -150; lba++) {
/* Collect subdata in buf */
for (j = 0; j < 4; j++) {
memcpy(buf->data + buf->bytes,
subdata + sub_cursor * 24, 24);
sub_cursor = (sub_cursor + 1) % o->num_text_packs;
buf->bytes += 24;
}
buf->sectors++;
sectors++;
/* When full or last sector : perform WRITE */
if (buf->bytes + 96 >= 32768 || lba == -151) {
#ifdef Libburn_debug_cd_texT
fprintf(stderr,
"libburn_DEBUG: 6 bit data to be transmitted:\n");
for (i = 0; i < buf->bytes; i += 24) {
fprintf(stderr, "%4d :", i / 24);
for (j = 0; j < 24; j++)
fprintf(stderr, " %2.2X",
buf->data[i + j]);
fprintf(stderr, "\n");
}
#endif /* Libburn_debug_cd_texT */
err = d->write(d, write_lba, buf);
if (err == BE_CANCELLED)
{ ret = 0; goto ex; }
write_lba += sectors;
sectors = buf->sectors = buf->bytes = 0;
}
}
ret = 1;
ex:;
BURN_FREE_MEM(subdata);
BURN_FREE_MEM(buf);
d->busy = was_busy;
return ret;
}
int burn_write_session(struct burn_write_opts *o, struct burn_session *s)
{
struct burn_drive *d = o->drive;
int i, ret;
if (o->write_type == BURN_WRITE_SAO) {
ret = burn_write_leadin_cdtext(o, s, 0);
if (ret <= 0)
goto ex;
}
d->rlba = 0;
for (i = 0; i < s->tracks; i++) {
if (!burn_write_track(o, s, i))
@ -1001,6 +1105,10 @@ int burn_precheck_write(struct burn_write_opts *o, struct burn_disc *disc,
reason_pt= reasons + strlen(reasons);
if (d->status == BURN_DISC_UNSUITABLE)
goto unsuitable_profile;
if (d->current_profile != 0x09 && d->current_profile != 0x0a)
if (o->num_text_packs > 0)
strcat(reasons,
"CD-TEXT supported only with write CD media, ");
if (d->drive_role == 2 || d->drive_role == 5 ||
d->current_profile == 0x1a || d->current_profile == 0x12 ||
d->current_profile == 0x43) {
@ -1014,6 +1122,14 @@ int burn_precheck_write(struct burn_write_opts *o, struct burn_disc *disc,
strcat(reasons, "unsuitable track mode found, ");
if (o->start_byte >= 0)
strcat(reasons, "write start address not supported, ");
if (o->num_text_packs > 0) {
if (o->write_type != BURN_WRITE_SAO)
strcat(reasons,
"CD-TEXT supported only with write type SAO, ");
if (d->start_lba == -2000000000)
strcat(reasons,
"No Lead-in start address known with CD-TEXT, ");
}
} else if (d->current_profile == 0x13) {
/* DVD-RW Restricted Overwrite */
if (o->start_byte >= 0 && (o->start_byte % 32768))