Fix one-frame offset when reading videos

jeylau · jeylau · commit 084437b02c74 · 2023-01-09T15:38:39.000+01:00
diff --git a/src/napari_deeplabcut/_reader.py b/src/napari_deeplabcut/_reader.py
@@ -251,6 +251,7 @@ def height(self):
 
     def set_to_frame(self, ind):
         ind = min(ind, len(self) - 1)
+        ind += 1  # Unclear why this is needed at all
         self.stream.set(cv2.CAP_PROP_POS_FRAMES, ind)
 
     def read_frame(self):
