<s>
Lagarith	B-Algorithm
is	O
an	O
open	B-Application
source	I-Application
lossless	B-Application
video	I-Application
codec	I-Application
written	O
by	O
Ben	O
Greenwood	O
.	O
</s>
<s>
It	O
is	O
a	O
fork	B-Application
of	O
the	O
code	O
of	O
HuffYUV	B-Algorithm
and	O
offers	O
better	O
compression	O
at	O
the	O
cost	O
of	O
greatly	O
reduced	O
speed	O
on	O
uniprocessor	O
systems	O
.	O
</s>
<s>
Lagarith	B-Algorithm
was	O
designed	O
and	O
written	O
with	O
a	O
few	O
aims	O
in	O
mind	O
:	O
</s>
<s>
Speed	O
while	O
not	O
as	O
fast	O
as	O
HuffYUV	B-Algorithm
,	O
it	O
still	O
outperforms	O
most	O
other	O
lossless	B-Application
video	I-Application
codecs	I-Application
when	O
it	O
comes	O
to	O
encoding	O
times	O
,	O
although	O
decoding	O
speed	O
may	O
be	O
slower	O
.	O
</s>
<s>
Color-space	B-Algorithm
support	O
color-space	B-Algorithm
conversions	O
can	O
cause	O
rounding	O
errors	O
,	O
introducing	O
data	O
loss	O
,	O
contrary	O
to	O
the	O
ideal	O
of	O
lossless	B-Algorithm
video	O
compression	O
.	O
</s>
<s>
Lagarith	B-Algorithm
attempts	O
to	O
avoid	O
this	O
problem	O
by	O
supporting	O
YV12	O
,	O
YUY2	O
,	O
RGB	O
,	O
and	O
RGBA	O
colorspaces	B-Algorithm
.	O
</s>
<s>
These	O
three	O
things	O
,	O
as	O
well	O
as	O
being	O
more	O
efficient	O
at	O
compression	O
than	O
HuffYUV	B-Algorithm
,	O
make	O
it	O
a	O
codec	O
useful	O
for	O
the	O
video	O
editing	O
stage	O
.	O
</s>
