New API burn_write_opts_set_multi(). (But libburn cannot burn next session yet)

libburn/libburn.h

@@ -1004,6 +1004,15 @@ void burn_write_opts_set_has_mediacatalog(struct burn_write_opts *opts, int has_
 
 void burn_write_opts_set_mediacatalog(struct burn_write_opts *opts, unsigned char mediacatalog[13]);
 
+
+/* ts A61106 */
+/* Sets the multi flag which eventually marks the emerging session as not being
+   the last one and thus creating a BURN_DISC_APPENDABLE media.
+     @param multi 1=media will be appendable, 0=media will be closed (default) 
+*/
+void burn_write_opts_set_multi(struct burn_write_opts *opts, int multi);
+
+
 /** 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

libburn/options.c

@@ -152,6 +152,14 @@ void burn_write_opts_set_mediacatalog(struct burn_write_opts *opts,
 	memcpy(opts->mediacatalog, &mediacatalog, 13);
 }
 
+/* ts A61106 */
+void burn_write_opts_set_multi(struct burn_write_opts *opts, int multi)
+{
+	opts->multi = !!multi;
+}
+
+
+
 void burn_read_opts_set_raw(struct burn_read_opts *opts, int raw)
 {
 	opts->raw = raw;
@@ -198,3 +206,4 @@ void burn_read_opts_set_hardware_error_retries(struct burn_read_opts *opts,
 {
 	opts->hardware_error_retries = hardware_error_retries;
 }
+

libburn/spc.c

@@ -319,7 +319,10 @@ void spc_select_write_params(struct burn_drive *d,
 	c.page->data[10] = (bufe << 6)
 		+ (sim << 4)
 		+ o->write_type;
-	c.page->data[11] = (o->multi << 6) | o->control;
+
+	/* ts A61106 : MMC-1 table 110 : multi==0 or multi==3 */
+	c.page->data[11] = ((3 * !!o->multi) << 6) | o->control;
+
 	c.page->data[12] = spc_block_type(o->block_type);
 
 	/* ts A61104 */