Fix T96699: Splitting strip does not copy animation

Since e49bf4019b49, animation is handled explicitly. Split operator
wasn't updated.

Re-use backup-duplicate-restore animation functions, that other
operators use for splitting.

1 files changed, 12 insertions, 0 deletions

diff --git a/source/blender/sequencer/SEQ_animation.h b/source/blender/sequencer/SEQ_animation.h
index 455e77fb4a3..f2c66393b65 100644
--- a/source/blender/sequencer/SEQ_animation.h
+++ b/source/blender/sequencer/SEQ_animation.h
@@ -19,6 +19,18 @@ struct Sequence;
 void SEQ_free_animdata(struct Scene *scene, struct Sequence *seq);
 void SEQ_offset_animdata(struct Scene *scene, struct Sequence *seq, int ofs);
 struct GSet *SEQ_fcurves_by_strip_get(const struct Sequence *seq, struct ListBase *fcurve_base);
+/**
+ * Move all `F-curves` from `scene` to `list`.
+ */
+void SEQ_animation_backup_original(struct Scene *scene, struct ListBase *list);
+/**
+ * Move all `F-curves` from `list` to `scene`.
+ */
+void SEQ_animation_restore_original(struct Scene *scene, struct ListBase *list);
+/**
+ * Duplicate `F-curves` used by `seq` from `list` to `scene`.
+ */
+void SEQ_animation_duplicate(struct Scene *scene, struct Sequence *seq, struct ListBase *list);
 
 #ifdef __cplusplus
 }