renderer: handle null samples on tempoprocessor

Fixes #1862
2022-04-11 18:38:10 -07:00
parent c073fb418f
commit b426e8f8a0
1 changed files with 5 additions and 3 deletions
@@ -312,9 +312,11 @@ NodeValueTable RenderProcessor::GenerateBlockTable(const Track *track, const Tim
                  packed = tp.Pull();
                  tp.Close();

-                  PlanarProcessor planar;
-                  planar.Open(samples_from_this_block->audio_params());
-                  samples_from_this_block = planar.Convert(packed);
+                  if (!packed.isEmpty()) {
+                    PlanarProcessor planar;
+                    planar.Open(samples_from_this_block->audio_params());
+                    samples_from_this_block = planar.Convert(packed);
+                  }
                }
              } else {
                // Multiply time