61 	.prev	  = NULL,
69 	.prev	  = &seg_1,
77 	.prev	  = &seg_2,
91 	.prev	     = NULL,
100 	.prev	     = &track_1_1,
108 	.prev	     = &track_1_2,
116 	.prev	     = &track_1_3,
124 	.prev	     = &track_1_4,
135 	.prev	     = NULL,
143 	.prev	     = &track_2_1,
151 	.prev	     = &track_2_2,
162 	.prev	     = NULL,
170 	.prev	     = &track_3_1,
178 	.prev	     = &track_3_2,
188 	.prev	     = NULL,
196 	.prev	     = &track_4_1,
210 	.prev	= NULL,
218 	.prev	= &group_1,
226 	.prev	= &group_2,
234 	.prev	= &group_3,
242 	.prev	= NULL,
354 		while (seg->prev) {  in setup_segments_object()
355 			seg = seg->prev;  in setup_segments_object()
424 		while (group->prev) {  in setup_parent_group_object()
425 			group = group->prev;  in setup_parent_group_object()
456 		while (track->prev) {  in setup_group_object()
457 			track = track->prev;  in setup_group_object()
640 		while (track->prev) {  in add_group_tracks()
641 			track = track->prev;  in add_group_tracks()
664 		while (group->prev) {  in add_group_and_track_objects()
665 			group = group->prev;  in add_group_and_track_objects()
873 	if (pl->group->track->segment->prev != NULL) {  in do_prev_segment()
874 		pl->group->track->segment = pl->group->track->segment->prev;  in do_prev_segment()
895 	while (pl->group->track->segment->prev != NULL) {  in do_first_segment()
896 		pl->group->track->segment = pl->group->track->segment->prev;  in do_first_segment()
921 		while (pl->group->track->segment->prev != NULL) {  in do_goto_segment()
923 				pl->group->track->segment->prev;  in do_goto_segment()
942 			if (pl->group->track->segment->prev != NULL) {  in do_goto_segment()
944 					pl->group->track->segment->prev;  in do_goto_segment()
960 	if (pl->group->track->prev != NULL) {  in do_prev_track()
961 		pl->group->track = pl->group->track->prev;  in do_prev_track()
1036 	while (pl->group->track->prev != NULL) {  in do_first_track()
1037 		pl->group->track = pl->group->track->prev;  in do_first_track()
1093 		while (pl->group->track->prev != NULL) {  in do_goto_track()
1094 			pl->group->track = pl->group->track->prev;  in do_goto_track()
1114 			if (pl->group->track->prev != NULL) {  in do_goto_track()
1115 				pl->group->track = pl->group->track->prev;  in do_goto_track()
1144 	if (pl->group->prev != NULL) {  in do_prev_group()
1145 		pl->group = pl->group->prev;  in do_prev_group()
1177 	if (pl->group->prev != NULL) {  in do_first_group()
1178 		pl->group = pl->group->prev;  in do_first_group()
1182 	while (pl->group->prev != NULL) {  in do_first_group()
1183 		pl->group = pl->group->prev;  in do_first_group()
1222 		while (pl->group->prev != NULL) {  in do_goto_group()
1223 			pl->group = pl->group->prev;  in do_goto_group()
1243 			if (pl->group->prev != NULL) {  in do_goto_group()
1244 				pl->group = pl->group->prev;  in do_goto_group()
1887 	while (tmp_group->prev != NULL) {  in find_track_by_id()
1888 		tmp_group = tmp_group->prev;  in find_track_by_id()
1894 		while (tmp_track->prev != NULL) {  in find_track_by_id()
1895 			tmp_track = tmp_track->prev;  in find_track_by_id()
1929 	while (tmp_group->prev != NULL) {  in find_group_by_id()
1930 		tmp_group = tmp_group->prev;  in find_group_by_id()
2501 	while (group->prev != NULL) {  in mpl_debug_dump_state()
2502 		group = group->prev;  in mpl_debug_dump_state()
2513 		while (track->prev != NULL) {  in mpl_debug_dump_state()
2514 			track = track->prev;  in mpl_debug_dump_state()