VSE: Add Sequence.parent_meta() python API function

This function can be used to find metastrip parent of nested strip.

Reviewed By: ISS

Differential Revision: https://developer.blender.org/D11985

1 files changed, 15 insertions, 0 deletions

diff --git a/source/blender/makesrna/intern/rna_sequencer_api.c b/source/blender/makesrna/intern/rna_sequencer_api.c
index d98e03785d1..7ddbf450e6a 100644
--- a/source/blender/makesrna/intern/rna_sequencer_api.c
+++ b/source/blender/makesrna/intern/rna_sequencer_api.c
@@ -124,6 +124,14 @@ static Sequence *rna_Sequence_split(
   return r_seq;
 }
 
+static Sequence *rna_Sequence_parent_meta(ID *id, Sequence *seq_self)
+{
+  Scene *scene = (Scene *)id;
+  Editing *ed = SEQ_editing_get(scene, false);
+
+  return SEQ_find_metastrip_by_sequence(&ed->seqbase, NULL, seq_self);
+}
+
 static Sequence *rna_Sequences_new_clip(ID *id,
                                         ListBase *seqbase,
                                         Main *bmain,
@@ -702,6 +710,13 @@ void RNA_api_sequence_strip(StructRNA *srna)
                          "Meta to move the strip into");
   RNA_def_parameter_flags(parm, PROP_NEVER_NULL, PARM_REQUIRED);
 
+  func = RNA_def_function(srna, "parent_meta", "rna_Sequence_parent_meta");
+  RNA_def_function_flag(func, FUNC_USE_SELF_ID);
+  RNA_def_function_ui_description(func, "Parent meta");
+  /* return type */
+  parm = RNA_def_pointer(func, "sequence", "Sequence", "", "Parent Meta");
+  RNA_def_function_return(func, parm);
+
   func = RNA_def_function(srna, "invalidate_cache", "rna_Sequence_invalidate_cache_rnafunc");
   RNA_def_function_flag(func, FUNC_USE_SELF_ID);
   RNA_def_function_ui_description(func,