remove_short_at_index  452 libavcodec/h264_refs.c             remove_short_at_index(h, i);
remove_short_at_index  627 libavcodec/h264_refs.c                 remove_short_at_index(h, j);
remove_short_at_index  652 libavcodec/h264_refs.c                 remove_short_at_index(h, 0);