<s>
UT	B-Algorithm
Video	I-Algorithm
Codec	I-Algorithm
Suite	I-Algorithm
is	O
a	O
fast	O
,	O
lossless	B-Application
video	I-Application
codec	I-Application
,	O
developed	O
by	O
and	O
released	O
under	O
the	O
free	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
The	O
algorithm	O
of	O
UT	O
video	O
is	O
based	O
on	O
the	O
Huffman	B-General_Concept
code	I-General_Concept
.	O
</s>
<s>
UT	O
video	O
was	O
developed	O
as	O
an	O
alternative	O
to	O
HuffYUV	B-Algorithm
,	O
in	O
order	O
to	O
achieve	O
better	O
compression	O
.	O
</s>
<s>
It	O
can	O
handle	O
color	B-Algorithm
spaces	I-Algorithm
such	O
as	O
YUV422	O
(	O
ULY2	O
)	O
,	O
RGB	O
(	O
ULRG	O
)	O
,	O
RGBA	O
(	O
ULRA	O
)	O
and	O
,	O
most	O
recently	O
,	O
YUV420	O
(	O
ULY0	O
)	O
.	O
</s>
<s>
It	O
has	O
both	O
x86	B-Operating_System
and	O
x64	B-Device
builds	O
.	O
</s>
<s>
Due	O
to	O
its	O
multithreading	B-Operating_System
support	O
,	O
this	O
codec	O
is	O
also	O
capable	O
of	O
encoding	O
HDTV	B-Device
material	O
in	O
real	O
time	O
.	O
</s>
<s>
The	O
codec	O
requires	O
support	O
for	O
the	O
SSE2	B-General_Concept
instruction	O
set	O
because	O
it	O
is	O
heavily	O
used	O
for	O
speed	O
optimizations	O
.	O
</s>
<s>
UT	O
video	O
uses	O
the	O
following	O
FOURCC	B-Application
codes	O
:	O
ULY0	O
,	O
ULY2	O
,	O
ULRA	O
,	O
ULRG	O
.	O
</s>
