disp_node 527 libavfilter/vf_paletteuse.c if (node->left_id != -1) disp_node(buf, map, node_id, node->left_id, depth + 1); disp_node 528 libavfilter/vf_paletteuse.c if (node->right_id != -1) disp_node(buf, map, node_id, node->right_id, depth + 1); disp_node 548 libavfilter/vf_paletteuse.c disp_node(&buf, node, -1, 0, 0);