<s>
DivX	B-Application
is	O
a	O
brand	O
of	O
video	B-Application
codec	I-Application
products	O
developed	O
by	O
DivX	B-Application
,	O
LLC	O
.	O
</s>
<s>
There	O
are	O
three	O
DivX	B-Application
codecs	I-Application
:	O
the	O
original	O
MPEG-4	B-Application
Part	I-Application
2	I-Application
DivX	B-Application
codec	I-Application
,	O
the	O
H.264/MPEG	B-Application
-4	I-Application
AVC	I-Application
DivX	B-Application
Plus	O
HD	O
codec	B-General_Concept
and	O
the	O
High	B-Algorithm
Efficiency	I-Algorithm
Video	I-Algorithm
Coding	I-Algorithm
DivX	B-Application
HEVC	B-Algorithm
Ultra	O
HD	O
codec	B-General_Concept
.	O
</s>
<s>
The	O
most	O
recent	O
version	O
of	O
the	O
codec	B-General_Concept
itself	O
is	O
version	O
6.9.2	O
,	O
which	O
is	O
several	O
years	O
old	O
.	O
</s>
<s>
The	O
"	O
DivX	B-Application
"	O
brand	O
is	O
distinct	O
from	O
"	O
DIVX	B-Application
"	O
,	O
which	O
is	O
an	O
obsolete	O
video	O
rental	O
system	O
.	O
</s>
<s>
The	O
winking	O
emoticon	B-Protocol
in	O
the	O
early	O
""	O
codec	B-General_Concept
name	O
was	O
a	O
tongue-in-cheek	O
reference	O
to	O
the	O
DIVX	B-Application
system	O
.	O
</s>
<s>
Although	O
not	O
created	O
by	O
them	O
,	O
the	O
DivX	B-Application
company	O
adopted	O
the	O
name	O
of	O
the	O
popular	O
codec	B-General_Concept
.	O
</s>
<s>
The	O
company	O
dropped	O
the	O
smiley	O
and	O
released	O
DivX	B-Application
4.0	O
,	O
which	O
was	O
actually	O
the	O
first	O
DivX	B-Application
version	O
to	O
trademark	O
the	O
term	O
DivX	B-Application
.	O
</s>
<s>
(	O
not	O
DivX	B-Application
)	O
3.11	O
Alpha	O
and	O
later	O
3.xx	O
versions	O
refers	O
to	O
a	O
hacked	O
version	O
of	O
the	O
Microsoft	O
MPEG-4	O
Version	O
3	O
video	B-Application
codec	I-Application
(	O
not	O
to	O
be	O
confused	O
with	O
MPEG-4	B-Algorithm
Part	I-Algorithm
3	I-Algorithm
)	O
from	O
Windows	O
Media	O
Tools	O
4	O
codecs	B-General_Concept
.	O
</s>
<s>
The	O
video	B-Application
codec	I-Application
,	O
which	O
was	O
actually	O
not	O
MPEG-4	O
compliant	O
,	O
was	O
extracted	O
around	O
1998	O
by	O
French	O
hacker	O
Jerome	O
Rota	O
(	O
also	O
known	O
as	O
Gej	O
)	O
at	O
Montpellier	O
.	O
</s>
<s>
The	O
Microsoft	O
codec	B-General_Concept
originally	O
required	O
that	O
the	O
compressed	O
output	O
be	O
put	O
in	O
an	O
ASF	B-Application
file	I-Application
.	O
</s>
<s>
Rota	O
hacked	O
the	O
Microsoft	O
codec	B-General_Concept
because	O
newer	O
versions	O
of	O
the	O
Windows	O
Media	O
Player	O
would	O
not	O
play	O
his	O
video	O
portfolio	O
and	O
résumé	O
that	O
were	O
encoded	O
with	O
it	O
.	O
</s>
<s>
Instead	O
of	O
re-encoding	O
his	O
portfolio	O
,	O
Rota	O
and	O
German	O
hacker	O
Max	O
Morice	O
decided	O
to	O
reverse	O
engineer	O
the	O
codec	B-General_Concept
,	O
which	O
"	O
took	O
about	O
a	O
week	O
"	O
.	O
</s>
<s>
In	O
early	O
2000	O
,	O
Jordan	O
Greenhall	O
recruited	O
Rota	O
to	O
form	O
a	O
company	O
(	O
originally	O
called	O
DivXNetworks	O
,	O
Inc.	O
,	O
renamed	O
to	O
DivX	B-Application
,	O
Inc	O
.	O
in	O
2005	O
)	O
to	O
develop	O
an	O
MPEG-4	O
codec	B-General_Concept
,	O
from	O
scratch	O
,	O
that	O
would	O
still	O
be	O
backward-compatible	B-General_Concept
with	O
the	O
Microsoft	O
MPEG-4	O
Version	O
3	O
format	O
.	O
</s>
<s>
This	O
effort	O
resulted	O
first	O
in	O
the	O
release	O
of	O
the	O
"	O
OpenDivX	B-Algorithm
"	O
codec	B-General_Concept
and	O
source	O
code	O
on	O
15	O
January	O
2001	O
.	O
</s>
<s>
OpenDivX	B-Algorithm
was	O
hosted	O
as	O
an	O
open-source	O
project	O
on	O
the	O
Project	O
Mayo	O
web	O
site	O
hosted	O
at	O
projectmayo.com	O
(	O
the	O
name	O
comes	O
from	O
"	O
mayonnaise	O
"	O
,	O
because	O
,	O
according	O
to	O
Rota	O
,	O
DivX	B-Application
and	O
mayonnaise	O
are	O
both	O
"	O
French	O
and	O
very	O
hard	O
to	O
make.	O
"	O
)	O
.	O
</s>
<s>
The	O
company	O
's	O
internal	O
developers	O
and	O
some	O
external	O
developers	O
worked	O
jointly	O
on	O
OpenDivX	B-Algorithm
for	O
the	O
next	O
several	O
months	O
,	O
but	O
the	O
project	O
eventually	O
stagnated	O
.	O
</s>
<s>
In	O
early	O
2001	O
,	O
DivX	B-Application
employee	O
"	O
Sparky	O
"	O
wrote	O
a	O
new	O
and	O
improved	O
version	O
of	O
the	O
codec	B-General_Concept
's	O
encoding	O
algorithm	O
known	O
as	O
"	O
encore2	O
"	O
.	O
</s>
<s>
This	O
code	O
was	O
included	O
in	O
the	O
OpenDivX	B-Algorithm
public	O
source	O
repository	O
for	O
a	O
brief	O
time	O
,	O
but	O
then	O
was	O
abruptly	O
removed	O
.	O
</s>
<s>
The	O
explanation	O
from	O
DivX	B-Application
at	O
the	O
time	O
was	O
that	O
"	O
the	O
community	O
really	O
wants	O
a	O
Winamp	O
,	O
not	O
a	O
Linux.	O
"	O
</s>
<s>
It	O
was	O
at	O
this	O
point	O
that	O
the	O
project	O
forked	B-Application
.	O
</s>
<s>
That	O
summer	O
,	O
Rota	O
left	O
the	O
French	O
Riviera	O
and	O
moved	O
to	O
San	O
Diego	O
"	O
with	O
nothing	O
but	O
a	O
pack	O
of	O
cigarettes	O
"	O
where	O
he	O
and	O
Greenhall	O
founded	O
what	O
would	O
eventually	O
become	O
DivX	B-Application
,	O
Inc	O
.	O
</s>
<s>
DivX	B-Application
took	O
the	O
encore2	O
code	O
and	O
developed	O
it	O
into	O
DivX	B-Application
4.0	O
,	O
initially	O
released	O
in	O
July	O
2001	O
.	O
</s>
<s>
Other	O
developers	O
who	O
had	O
participated	O
in	O
OpenDivX	B-Algorithm
took	O
encore2	O
and	O
started	O
a	O
new	O
project	O
—	O
Xvid	B-Algorithm
—	O
that	O
started	O
with	O
the	O
same	O
encoding	O
core	O
.	O
</s>
<s>
DivX	B-Application
,	O
Inc	O
.	O
has	O
since	O
continued	O
to	O
develop	O
the	O
DivX	B-Application
codec	I-Application
,	O
releasing	O
DivX	B-Application
5.0	O
in	O
March	O
2002	O
.	O
</s>
<s>
By	O
the	O
release	O
of	O
version	O
5.2.1	O
on	O
8	O
September	O
2004	O
,	O
the	O
DivX	B-Application
codec	I-Application
was	O
substantially	O
feature-complete	O
.	O
</s>
<s>
Changes	O
since	O
then	O
have	O
tended	O
to	O
focus	O
on	O
speed	O
,	O
and	O
encouraging	O
wider	O
hardware	O
player	O
support	O
,	O
while	O
the	O
company	O
has	O
also	O
focused	O
its	O
time	O
on	O
the	O
formats	O
and	O
next	O
generation	O
codecs	B-General_Concept
.	O
</s>
<s>
In	O
February	O
2011	O
,	O
DivX	B-Application
was	O
acquired	O
by	O
Rovi	O
Corporation	O
,	O
upon	O
completion	O
of	O
its	O
acquisition	O
of	O
Sonic	O
Solutions	O
.	O
</s>
<s>
In	O
2014	O
,	O
Blackstone	O
Group	O
and	O
Parallax	O
Capital	O
acquired	O
DivX	B-Application
from	O
Rovi	O
for	O
$75	O
million	O
.	O
</s>
<s>
On	O
January	O
5	O
,	O
2015	O
,	O
it	O
was	O
announced	O
that	O
IPTV	O
company	O
NeuLion	O
would	O
acquire	O
DivX	B-Application
for	O
$62.5	O
million	O
.	O
</s>
<s>
In	O
February	O
2018	O
,	O
a	O
deal	O
was	O
finalized	O
to	O
sell	O
certain	O
DivX	B-Application
assets	O
,	O
intellectual	O
property	O
and	O
subsidiaries	O
from	O
NeuLion	O
,	O
Inc	O
.	O
to	O
Fortress	O
Investment	O
Group	O
.	O
</s>
<s>
DivX	B-Application
,	O
LLC	O
continues	O
to	O
operate	O
from	O
their	O
headquarters	O
in	O
San	O
Diego	O
and	O
release	O
new	O
versions	O
of	O
DivX	B-Application
Software	O
for	O
Windows	O
and	O
macOS	B-Application
.	O
</s>
<s>
DivX	B-Application
6	O
expanded	O
the	O
scope	O
of	O
DivX	B-Application
from	O
including	O
just	O
a	O
codec	B-General_Concept
and	O
a	O
player	O
by	O
adding	O
an	O
optional	O
media	O
container	O
format	O
called	O
"	O
DivX	B-Application
Media	O
Format	O
"	O
(	O
"	O
DMF	O
"	O
)	O
(	O
with	O
a	O
.divx	O
extension	O
)	O
that	O
includes	O
support	O
for	O
the	O
following	O
DVD-Video	O
and	O
VOB	O
container	O
like	O
features	O
.	O
</s>
<s>
This	O
media	O
container	O
format	O
is	O
used	O
for	O
the	O
MPEG-4	B-Application
Part	I-Application
2	I-Application
codec	B-General_Concept
.	O
</s>
<s>
This	O
new	O
DivX	B-Application
Media	O
Format	O
also	O
came	O
with	O
a	O
"	O
DivX	B-Application
Ultra	O
Certified	O
"	O
profile	O
,	O
and	O
all	O
"	O
Ultra	O
"	O
certified	O
players	O
must	O
support	O
all	O
DivX	B-Application
Media	O
Format	O
features	O
.	O
</s>
<s>
While	O
video	O
encoded	O
with	O
the	O
DivX	B-Application
codec	I-Application
is	O
an	O
MPEG-4	O
video	O
stream	O
,	O
the	O
DivX	B-Application
Media	O
Format	O
is	O
analogous	O
to	O
media	O
container	O
formats	O
such	O
as	O
Apple	O
's	O
QuickTime	O
.	O
</s>
<s>
In	O
much	O
the	O
same	O
way	O
that	O
media	O
formats	O
such	O
as	O
DVD	O
specify	O
MPEG-2	O
video	O
as	O
a	O
part	O
of	O
their	O
specification	O
,	O
the	O
DivX	B-Application
Media	O
Format	O
specifies	O
MPEG-4-compatible	O
video	O
as	O
a	O
part	O
of	O
its	O
specification	O
.	O
</s>
<s>
However	O
,	O
despite	O
the	O
use	O
of	O
the	O
"	O
.divx	O
"	O
extension	O
,	O
this	O
format	O
is	O
an	O
extension	O
to	O
the	O
AVI	O
file	O
format	O
.	O
</s>
<s>
The	O
methods	O
of	O
including	O
multiple	O
audio	O
and	O
even	O
subtitle	O
tracks	O
involve	O
storing	O
the	O
data	O
in	O
RIFF	O
headers	O
and	O
other	O
such	O
AVI	O
hacks	O
which	O
have	O
been	O
known	O
for	O
quite	O
a	O
while	O
,	O
such	O
that	O
even	O
VirtualDubMod	B-Language
supports	O
them	O
.	O
</s>
<s>
DivX	B-Application
,	O
Inc	O
.	O
did	O
this	O
on	O
purpose	O
to	O
keep	O
at	O
least	O
partial	O
backward	B-General_Concept
compatibility	I-General_Concept
with	O
AVI	O
,	O
so	O
that	O
players	O
that	O
do	O
not	O
support	O
the	O
new	O
features	O
available	O
to	O
the	O
.divx	O
container	O
format	O
(	O
like	O
interactive	O
menus	O
,	O
chapter	O
points	O
and	O
XSUB	O
subtitles	O
)	O
can	O
at	O
least	O
play	O
that	O
primary	O
video	O
stream	O
(	O
usually	O
the	O
main	O
movie	O
if	O
the	O
DMF	O
file	O
contains	O
multiple	O
video	O
streams	O
like	O
special	O
features	O
like	O
bonus	O
materials	O
)	O
.	O
</s>
<s>
Of	O
course	O
,	O
the	O
DivX	B-Application
codec	I-Application
and	O
tools	O
like	O
Dr.	O
DivX	B-Application
still	O
support	O
the	O
traditional	O
method	O
of	O
creating	O
standard	O
AVI	O
files	O
.	O
</s>
<s>
Since	O
version	O
5.0	O
of	O
DivX	B-Application
,	O
the	O
FourCC	B-Application
(	O
identifying	O
code	O
)	O
for	O
the	O
DivX	B-Application
MPEG-4	B-Application
Part	I-Application
2	I-Application
codec	B-General_Concept
is	O
DX50	B-Application
.	O
</s>
<s>
Previously	O
it	O
used	O
DIVX	B-Application
.	O
</s>
<s>
DivX	B-Application
Plus	O
HD	O
is	O
a	O
marketing	O
name	O
for	O
a	O
file	O
type	O
using	O
the	O
standard	O
Matroska	O
media	O
container	O
format	O
(	O
.mkv	O
)	O
,	O
rather	O
than	O
the	O
proprietary	O
DivX	B-Application
Media	O
Format	O
.	O
</s>
<s>
DivX	B-Application
Plus	O
HD	O
files	O
contain	O
an	O
H.264	B-Application
video	O
bitstream	O
,	O
AAC	B-Application
surround	O
sound	O
audio	O
,	O
and	O
a	O
number	O
of	O
XML-based	O
attachments	O
defining	O
chapters	O
,	O
subtitles	O
and	O
meta	O
data	O
.	O
</s>
<s>
This	O
media	O
container	O
format	O
is	O
used	O
for	O
the	O
H.264/MPEG	B-Application
-4	I-Application
AVC	I-Application
codec	B-General_Concept
.	O
</s>
<s>
DivX	B-Application
has	O
defined	O
profiles	O
which	O
are	O
subsets	O
of	O
MPEG-4/AVI	O
and	O
H.264/Matroska	O
standards	O
.	O
</s>
<s>
All	O
DivX	B-Application
certified	O
devices	O
bearing	O
a	O
DivX	B-Application
logo	O
will	O
adhere	O
to	O
one	O
of	O
the	O
profiles	O
outlined	O
in	O
the	O
table	O
below	O
as	O
would	O
any	O
tools	O
that	O
support	O
the	O
DivX	B-Application
profiles	O
.	O
</s>
<s>
+	O
Profiles	O
Handheld	O
Portable	O
Mobile	O
Theater	O
Home	O
Theater	O
HD	O
720p	O
HD	O
1080p	O
+HD	O
1080p	O
DivX	B-Application
Codec	I-Application
(	O
MPEG-4	B-Application
Part	I-Application
2	I-Application
)	O
5	O
,	O
6	O
5	O
,	O
6	O
5	O
,	O
6	O
3	O
,	O
4	O
,	O
5	O
,	O
6	O
5	O
,	O
6	O
3	O
,	O
4	O
,	O
5	O
,	O
6	O
n/a	O
DivX	B-Application
H.264	I-Application
Codec	B-General_Concept
(	O
MPEG-4	B-Application
Part	I-Application
10	I-Application
)	O
n/a	O
n/a	O
n/a	O
n/a	O
n/a	O
n/a	O
1.x	O
File	O
Extension(s )	O
.avi	O
,	O
.divx	O
.avi	O
,	O
.divx	O
.avi	O
,	O
.divx	O
.avi	O
,	O
.divx	O
.avi	O
,	O
.divx	O
.avi	O
,	O
.divx	O
.mkv	O
Max	O
.	O
</s>
<s>
DivX	B-Application
Video	O
on	O
Demand	O
(	O
DivX	B-Application
VOD	O
)	O
is	O
DivX	B-Application
's	O
version	O
of	O
digital	O
rights	O
management	O
(	O
DRM	O
)	O
,	O
which	O
allows	O
content	O
copyright	O
holders	O
to	O
control	O
distribution	O
.	O
</s>
<s>
In	O
2009	O
,	O
DivX	B-Application
,	O
Inc	O
.	O
received	O
format	O
approval	O
from	O
major	O
Hollywood	O
studios	O
including	O
Sony	O
,	O
Paramount	O
,	O
and	O
Lionsgate	O
,	O
which	O
has	O
allowed	O
content	O
retailers	O
to	O
sell	O
protected	O
videos	O
that	O
will	O
play	O
on	O
current	O
and	O
previous	O
generations	O
of	O
DivX	B-Application
certified	O
devices	O
.	O
</s>
<s>
Dr.	O
DivX	B-Application
OSS	O
is	O
capable	O
of	O
transcoding	B-Algorithm
many	O
video	O
formats	O
to	O
DivX-encoded	O
video	O
.	O
</s>
<s>
The	O
original	O
closed-source	O
Dr.	O
DivX	B-Application
terminated	O
at	O
version	O
1.06	O
for	O
DivX	B-Application
5.21	O
.	O
</s>
<s>
That	O
was	O
the	O
last	O
version	O
of	O
DivX	B-Application
capable	O
of	O
running	O
on	O
Windows	O
9x	O
.	O
</s>
<s>
An	O
open-source	O
version	O
has	O
since	O
been	O
made	O
,	O
which	O
supports	O
DivX	B-Application
6	O
.	O
</s>
<s>
Dr.	O
DivX	B-Application
offers	O
greatly	O
expanded	O
features	O
over	O
the	O
free	O
DivX	B-Application
Converter	O
application	O
,	O
that	O
was	O
bundled	O
with	O
the	O
codec	B-General_Concept
from	O
version	O
6	O
onwards	O
.	O
</s>
<s>
Dr.	O
DivX	B-Application
is	O
not	O
compatible	O
with	O
DivX	B-Application
Plus	O
HD	O
.	O
</s>
<s>
DivX	B-Application
has	O
released	O
a	O
command	O
line	O
interface	O
(	O
CLI	O
)	O
for	O
the	O
divx264	O
encoder	O
used	O
in	O
the	O
DivX	B-Application
Converter	O
as	O
beta	O
,	O
free	O
for	O
non-commercial	O
use	O
.	O
</s>
<s>
To	O
complement	O
the	O
CLI	O
divx264	O
encoder	O
released	O
on	O
DivX	B-Application
Labs	O
,	O
DivX	B-Application
has	O
also	O
released	O
a	O
DivX	B-Application
AAC	B-Application
encoder	O
CLI	O
as	O
a	O
Windows	O
beta	O
binary	O
.	O
</s>
<s>
Finally	O
,	O
DivXMKVMux	O
has	O
been	O
released	O
as	O
a	O
free	O
Windows	O
CLI	O
through	O
DivX	B-Application
Labs	O
with	O
documentation	O
on	O
the	O
DivX	B-Application
Developer	O
Portal	O
;	O
DivX	B-Application
describes	O
the	O
release	O
as	O
a	O
reference	O
mux	O
to	O
demonstrate	O
DivX	B-Application
Plus	O
MKV	O
extensions	O
like	O
World	O
Fonts	O
and	O
Smooth	O
FF/RW	O
.	O
</s>
<s>
DivX	B-Application
,	O
Inc	O
.	O
markets	O
a	O
certification	O
program	O
to	O
consumer	O
electronics	O
and	O
IC	O
manufacturers	O
for	O
the	O
purpose	O
of	O
guaranteed	O
compatibility	O
and	O
playback	O
of	O
video	O
files	O
that	O
fall	O
within	O
DivX	B-Application
profiles	O
.	O
</s>
<s>
Devices	O
that	O
have	O
been	O
DivX	B-Application
certified	O
usually	O
brandish	O
one	O
of	O
the	O
following	O
marks	O
:	O
</s>
<s>
DivX	B-Application
certified	O
devices	O
have	O
included	O
DVD	O
players	O
,	O
car	O
stereos	O
,	O
mobile	O
phones	O
,	O
televisions	O
,	O
Blu-ray	O
players	O
,	O
and	O
even	O
alarm	O
clocks	O
.	O
</s>
<s>
Aside	O
from	O
verifying	O
proper	O
decoding	O
of	O
files	O
conforming	O
to	O
the	O
DivX	B-Application
profiles	O
the	O
certification	O
also	O
confirms	O
the	O
device	O
can	O
play	O
back	O
DivX	B-Application
Video	O
on	O
Demand	O
content	O
,	O
which	O
includes	O
Hollywood	O
content	O
that	O
can	O
be	O
purchased	O
from	O
Internet	O
retailers	O
.	O
</s>
<s>
On	O
4	O
December	O
2007	O
,	O
native	O
MPEG-4	B-Application
ASP	I-Application
playback	O
support	O
was	O
added	O
to	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
,	O
allowing	O
it	O
to	O
play	O
video	O
encoded	O
with	O
DivX	B-Application
and	O
other	O
MPEG-4	B-Application
ASP	I-Application
codecs	B-General_Concept
.	O
</s>
<s>
On	O
17	O
December	O
2007	O
,	O
firmware	O
upgrade	O
2.10	O
was	O
released	O
for	O
the	O
Sony	B-Operating_System
PlayStation	I-Operating_System
3	I-Operating_System
,	O
which	O
included	O
official	O
DivX	B-Application
Certification	O
.	O
</s>
<s>
Firmware	O
version	O
2.50	O
(	O
released	O
on	O
15	O
October	O
2008	O
)	O
included	O
support	O
for	O
the	O
DivX	B-Application
Video	O
on	O
Demand	O
(	O
DivX	B-Application
VOD	O
)	O
service	O
,	O
and	O
firmware	O
version	O
2.60	O
(	O
released	O
on	O
20	O
January	O
2009	O
)	O
included	O
official	O
DivX	B-Application
Certification	O
and	O
updated	O
Profile	O
support	O
to	O
version	O
3.11	O
.	O
</s>
<s>
With	O
introduction	O
of	O
DivX	B-Application
to	O
Go	O
in	O
the	O
DivX	B-Application
Player	O
for	O
Windows	O
,	O
a	O
PlayStation	B-Operating_System
3	I-Operating_System
icon	O
is	O
readily	O
available	O
on	O
the	O
interface	O
,	O
which	O
will	O
invoke	O
a	O
transfer	O
wizard	O
for	O
freely	O
converting	O
and	O
copying	O
video	O
files	O
via	O
USB	O
or	O
optical	O
disc	O
.	O
</s>
<s>
The	O
output	O
from	O
DivX	B-Application
to	O
Go	O
's	O
PlayStation	B-Operating_System
3	I-Operating_System
preset	O
is	O
also	O
playable	O
on	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
.	O
</s>
