+
+ /**
+ * A list of segmentation_map buffers that are to be free()'ed in
+ * the next decoding iteration. We can't free() them right away
+ * because the map may still be used by subsequent decoding threads.
+ * Unused if frame threading is off.
+ */
+ uint8_t *segmentation_maps[5];
+ int num_maps_to_be_freed;
+ int maps_are_invalid;