Revert "Metastrips: disallow making a metastrip with only one strip present."

This reverts commit a1578f08dc442b0c64f05a1ab18ef0fd90a9f6e4.

Looks like some workflows benefit from being able to do this

2 files changed, 5 insertions, 17 deletions

diff --git a/source/blender/blenkernel/BKE_sequencer.h b/source/blender/blenkernel/BKE_sequencer.h
index bbc4fd05256..e460d0d8917 100644
--- a/source/blender/blenkernel/BKE_sequencer.h
+++ b/source/blender/blenkernel/BKE_sequencer.h
@@ -312,7 +312,7 @@ void BKE_sequencer_offset_animdata(struct Scene *scene, struct Sequence *seq, in
 void BKE_sequencer_dupe_animdata(struct Scene *scene, const char *name_src, const char *name_dst);
 bool BKE_sequence_base_shuffle(struct ListBase *seqbasep, struct Sequence *test, struct Scene *evil_scene);
 bool BKE_sequence_base_shuffle_time(ListBase *seqbasep, struct Scene *evil_scene);
-bool BKE_sequence_base_isolated_sel_check(struct ListBase *seqbase, bool one_only);
+bool BKE_sequence_base_isolated_sel_check(struct ListBase *seqbase);
 void BKE_sequencer_free_imbuf(struct Scene *scene, struct ListBase *seqbasep, bool for_render);
 struct Sequence *BKE_sequence_dupli_recursive(struct Scene *scene, struct Scene *scene_to, struct Sequence *seq, int dupe_flag);
 int BKE_sequence_swap(struct Sequence *seq_a, struct Sequence *seq_b, const char **error_str);
diff --git a/source/blender/blenkernel/intern/sequencer.c b/source/blender/blenkernel/intern/sequencer.c
index 0a22faf3c26..1d7830ca5ae 100644
--- a/source/blender/blenkernel/intern/sequencer.c
+++ b/source/blender/blenkernel/intern/sequencer.c
@@ -3529,28 +3529,16 @@ bool BKE_sequence_single_check(Sequence *seq)
 }
 
 /* check if the selected seq's reference unselected seq's */
-bool BKE_sequence_base_isolated_sel_check(ListBase *seqbase, bool one_only)
+bool BKE_sequence_base_isolated_sel_check(ListBase *seqbase)
 {
 	Sequence *seq;
-	/* is there a valid selection select */
+	/* is there more than 1 select */
 	bool ok = false;
-	/* is there one selected already? */
-	bool first = false;
 
 	for (seq = seqbase->first; seq; seq = seq->next) {
 		if (seq->flag & SELECT) {
-			if (one_only) {
-				ok = true;
-				break;
-			}
-			else {
-				if (first) {
-					ok = true;
-					break;
-				} 
-				else
-					first = true;
-			}
+			ok = true;
+			break;
 		}
 	}