<s>
CoreAVC	B-Language
was	O
a	O
proprietary	B-Application
codec	B-General_Concept
for	O
decoding	O
the	O
H.264/MPEG	B-Application
-4	I-Application
AVC	I-Application
(	O
Advanced	B-Application
Video	I-Application
Coding	I-Application
)	O
video	O
format	O
.	O
</s>
<s>
In	O
2010	O
,	O
when	O
CoreAVC	B-Language
was	O
a	O
software-only	O
decoder	O
,	O
it	O
was	O
one	O
of	O
the	O
fastest	O
software	O
decoders	O
,	O
but	O
still	O
slower	O
than	O
hardware-based	O
ones	O
.	O
</s>
<s>
CoreAVC	B-Language
supports	O
all	O
H.264	B-Application
Profiles	O
except	O
for	O
4:2:2	O
and	O
4:4:4	O
.	O
</s>
<s>
From	O
2009	O
,	O
CoreAVC	B-Language
introduced	O
support	O
to	O
two	O
forms	O
of	O
GPU	B-Architecture
hardware	O
acceleration	O
for	O
H.264	B-Application
decoding	O
on	O
Windows	B-Application
:	O
CUDA	B-Architecture
(	O
Nvidia	O
only	O
,	O
in	O
2009	O
)	O
and	O
DXVA	B-General_Concept
(	O
Nvidia	O
and	O
ATI	O
GPUs	B-Architecture
,	O
in	O
2011	O
)	O
.	O
</s>
<s>
CoreAVC	B-Language
was	O
included	O
as	O
a	O
part	O
of	O
the	O
CorePlayer	B-Language
Multimedia	O
Framework	O
and	O
was	O
being	O
used	O
in	O
the	O
now	O
defunct	O
desktop	O
client	O
by	O
Joost	B-Operating_System
a	O
system	O
that	O
was	O
distributing	O
videos	O
over	O
the	O
Internet	O
using	O
peer-to-peer	B-Operating_System
TV	I-Operating_System
technology	I-Operating_System
.	O
</s>
<s>
An	O
open-source	B-Application
project	O
named	O
CoreAVC-For-Linux	O
hosted	O
at	O
Google	B-Protocol
Code	I-Protocol
patches	O
the	O
loader	O
code	O
in	O
the	O
open	O
source	O
media	O
player	O
program	O
MPlayer	B-Application
and	O
allows	O
it	O
to	O
use	O
the	O
Windows	B-Application
only	O
CoreAVC	B-Language
DirectShow	B-Library
filter	O
in	O
free	B-Application
software	I-Application
environments	O
.	O
</s>
<s>
It	O
does	O
not	O
include	O
CoreAVC	B-Language
,	O
but	O
simply	O
allows	O
MPlayer	B-Application
to	O
make	O
use	O
of	O
it	O
.	O
</s>
<s>
This	O
project	O
also	O
contains	O
patches	O
to	O
use	O
the	O
proprietary	B-Application
codec	B-General_Concept
in	O
MythTV	B-Application
,	O
open	B-Application
source	I-Application
software	I-Application
for	O
Home	O
Theater	O
Personal	O
Computers	O
and	O
the	O
media	O
player	O
xine	B-Application
.	O
</s>
<s>
In	O
May	O
2008	O
the	O
CoreAVC-For-Linux	O
project	O
was	O
taken	O
down	O
by	O
Google	O
due	O
to	O
a	O
DMCA	O
complaint	O
.	O
</s>
<s>
CoreAVC-For-Linux	O
is	O
now	O
back	O
online	O
and	O
is	O
recognized	O
and	O
supported	O
by	O
CoreCodec	O
.	O
</s>
<s>
In	O
early	O
2008	O
,	O
due	O
to	O
popular	O
demand	O
,	O
CoreCodec	O
ported	O
the	O
until	O
then	O
Windows-only	O
to	O
a	O
plethora	O
of	O
platforms	O
and	O
CPU	O
architectures	O
.	O
</s>
<s>
CoreAVC	B-Language
is	O
now	O
supported	O
on	O
the	O
operating	B-General_Concept
systems	I-General_Concept
Windows	B-Application
,	O
macOS	B-Application
and	O
Linux	B-Application
,	O
as	O
well	O
as	O
mobile-embedded	O
operating	B-General_Concept
systems	I-General_Concept
like	O
Palm	B-Operating_System
OS	I-Operating_System
,	O
Symbian	B-Operating_System
,	O
Windows	B-Operating_System
CE	I-Operating_System
and	O
Windows	B-Operating_System
Mobile	I-Operating_System
-	O
although	O
the	O
Linux	B-Application
version	O
is	O
not	O
available	O
as	O
retail	O
but	O
only	O
for	O
OEMs	O
.	O
</s>
<s>
CoreAVC	B-Language
runs	O
not	O
only	O
on	O
32-bit	O
and	O
64-bit	O
x86	B-Operating_System
,	O
but	O
also	O
on	O
PowerPC	B-Architecture
(	O
including	O
AltiVec	B-General_Concept
support	O
)	O
,	O
ARM9	O
,	O
ARM11	O
and	O
MIPS	B-Device
.	O
</s>
<s>
As	O
for	O
GPUs	B-Architecture
,	O
supported	O
are	O
Intel	B-Device
2700G	I-Device
,	O
ATI	O
Imageon	B-Device
,	O
Marvell	O
Monahan	O
,	O
(	O
limited	O
)	O
Qualcomm	O
QTv	O
.	O
</s>
<s>
In	O
February	O
2009	O
,	O
CoreCodec	O
released	O
an	O
update	O
to	O
CoreAVC	B-Language
that	O
implemented	O
support	O
for	O
Nvidia	B-Architecture
CUDA	I-Architecture
.	O
</s>
<s>
CUDA	B-Architecture
allows	O
selected	O
Nvidia	O
graphics	O
cards	O
to	O
assist	O
in	O
the	O
decoding	O
of	O
video	O
.	O
</s>
<s>
In	O
March	O
2011	O
,	O
CoreCodec	O
introduced	O
support	O
for	O
DXVA	B-General_Concept
.	O
</s>
<s>
Like	O
CUDA	B-Architecture
,	O
DXVA	B-General_Concept
allows	O
ATI	O
and	O
NVIDIA	O
based	O
graphics	O
cards	O
to	O
assist	O
in	O
the	O
decoding	O
of	O
video	O
.	O
</s>
