<s>
DirectVobSub	B-Application
(	O
formerly	O
known	O
as	O
VSFilter	O
)	O
is	O
a	O
software	O
add-on	O
for	O
Microsoft	B-Application
Windows	I-Application
(	O
a	O
DirectShow	B-Library
filter	B-Application
)	O
that	O
is	O
able	O
to	O
read	O
external	O
subtitle	O
files	O
and	O
superimposes	O
them	O
on	O
a	O
playing	O
video	O
file	O
.	O
</s>
<s>
DirectVobSub/VSFilter	O
were	O
formerly	O
part	O
of	O
a	O
whole	O
application	O
known	O
as	O
VobSub	B-Application
which	O
was	O
also	O
able	O
to	O
extract	O
subtitles	O
from	O
DVD	O
Video	O
and	O
create	O
text-based	O
subtitles	O
,	O
without	O
ripping	O
the	O
DVD	O
to	O
a	O
file	O
first	O
.	O
</s>
<s>
The	O
last	O
version	O
of	O
VobSub	B-Application
was	O
version	O
2.23	O
,	O
after	O
which	O
the	O
development	O
of	O
VobSub	B-Application
ceased	O
.	O
</s>
<s>
VSFilter	O
was	O
a	O
part	O
of	O
the	O
guliverkli	B-Language
project	O
on	O
the	O
SourceForge	B-Application
web	O
site	O
.	O
</s>
<s>
The	O
guliverkli	B-Language
project	O
also	O
includes	O
the	O
ability	O
to	O
extract	O
subtitles	O
from	O
a	O
DVD	O
via	O
the	O
vobsub	B-Application
ripper	O
program	O
.	O
</s>
<s>
However	O
,	O
development	O
of	O
guliverkli	B-Language
ceased	O
in	O
2005	O
with	O
version	O
2.37	O
.	O
</s>
<s>
In	O
2007	O
,	O
it	O
became	O
a	O
part	O
of	O
the	O
Guliverkli2	O
project	O
,	O
now	O
known	O
as	O
DirectVobSub	B-Application
,	O
starting	O
with	O
version	O
2.38	O
.	O
</s>
<s>
Then	O
,	O
the	O
MPC-HC	B-Language
project	O
took	O
over	O
the	O
sources	O
.	O
</s>
<s>
Under	O
that	O
project	O
,	O
DirectVobSub	B-Application
was	O
very	O
briefly	O
in	O
active	O
development	O
again	O
,	O
but	O
MPC-HC	B-Language
shut	O
down	O
in	O
2017	O
due	O
to	O
a	O
lack	O
of	O
developers	O
.	O
</s>
<s>
DirectVobSub	B-Application
is	O
also	O
capable	O
of	O
extracting	O
subtitles	O
from	O
a	O
DVD	O
without	O
ripping	O
it	O
to	O
a	O
file	O
first	O
.	O
</s>
<s>
"	O
Vobsub	B-Application
rippers	O
"	O
are	O
also	O
available	O
for	O
the	O
same	O
effect	O
.	O
</s>
<s>
Note	O
also	O
the	O
guliverkli	B-Language
project	O
has	O
a	O
related	O
project	O
VSrip	O
.	O
</s>
