<s>
MilkDrop	B-Application
is	O
a	O
hardware-accelerated	B-General_Concept
music	B-Application
visualization	I-Application
plugin	B-Application
for	O
Winamp	B-Application
and	O
Kodi	B-Application
,	O
which	O
was	O
originally	O
developed	O
by	O
Ryan	O
Geiss	O
in	O
2001	O
.	O
</s>
<s>
It	O
uses	O
DirectX	B-Application
and	O
intelligent	O
beat	B-Algorithm
detection	I-Algorithm
to	O
render	O
iterated	O
images	O
which	O
blend	O
seamlessly	O
.	O
</s>
<s>
MilkDrop	B-Application
uses	O
a	O
complex	O
system	O
of	O
interpolation	B-Algorithm
to	O
transition	O
between	O
presets	O
gradually	O
through	O
time	O
,	O
creating	O
a	O
constantly	O
changing	O
visual	O
experience	O
.	O
</s>
<s>
MilkDrop	B-Application
is	O
an	O
environment	B-Device
for	O
running	O
presets	O
,	O
software	O
which	O
controls	O
MilkDrop	B-Application
,	O
and	O
does	O
not	O
produce	O
visualizations	O
by	O
itself	O
.	O
</s>
<s>
Presets	O
are	O
saved	O
in	O
file	O
format	O
,	O
typically	O
in	O
a	O
subfolder	O
of	O
the	O
MilkDrop	B-Application
plugin	B-Application
directory	O
.	O
</s>
<s>
Presets	O
are	O
distributed	O
on	O
the	O
Internet	O
through	O
Winamp	B-Application
,	O
the	O
Winamp	B-Application
forums	O
,	O
and	O
through	O
the	O
personal	O
webpages	O
of	O
MilkDrop	B-Application
preset	O
authors	O
.	O
</s>
<s>
MilkDrop	B-Application
presets	O
often	O
have	O
more	O
than	O
one	O
author	O
,	O
which	O
is	O
generally	O
referred	O
to	O
as	O
remixing	O
or	O
editing	O
.	O
</s>
<s>
A	O
current	O
file	O
is	O
composed	O
of	O
four	O
major	O
different	O
kinds	O
of	O
scriptable	B-Language
equations	O
.	O
</s>
<s>
Trigonometric	O
functions	O
which	O
modify	O
MilkDrop	B-Application
's	O
internal	O
looping	O
time	O
variable	O
,	O
systems	O
of	O
logic	O
,	O
and	O
interaction	O
with	O
the	O
audio	O
information	O
received	O
from	O
Winamp	B-Application
or	O
other	O
applicable	O
media	B-Device
player	I-Device
's	O
Fast	O
Fourier	O
transform	O
(	O
FFT	O
)	O
can	O
be	O
used	O
to	O
govern	O
how	O
these	O
parameters	O
evolve	O
through	O
time	O
.	O
</s>
<s>
Code	O
in	O
the	O
section	O
of	O
MilkDrop	B-Application
is	O
not	O
actually	O
re-evaluated	O
at	O
every	O
pixel	B-Algorithm
as	O
the	O
name	O
would	O
suggest	O
,	O
rather	O
the	O
screen	O
is	O
divided	O
into	O
a	O
grid	O
and	O
the	O
code	O
is	O
evaluated	O
at	O
each	O
grid	O
point	O
.	O
</s>
<s>
The	O
pixels	B-Algorithm
in-between	O
these	O
points	O
interpolate	O
their	O
values	O
from	O
the	O
surrounding	O
four	O
points	O
on	O
the	O
grid	O
.	O
</s>
<s>
equations	O
allow	O
the	O
preset	O
author	O
to	O
alter	O
some	O
of	O
MilkDrop	B-Application
's	O
parameters	O
differently	O
in	O
certain	O
areas	O
of	O
the	O
screen	O
based	O
upon	O
x	O
and	O
y	O
values	O
,	O
distance	O
from	O
the	O
center	O
of	O
the	O
screen	O
,	O
and	O
the	O
angle	O
.	O
</s>
<s>
Custom	O
shapes	O
and	O
waves	O
equations	O
are	O
included	O
in	O
MilkDrop	B-Application
version	O
1.04	O
and	O
later	O
.	O
</s>
<s>
While	O
initially	O
MilkDrop	B-Application
allowed	O
four	O
custom	O
shapes	O
and	O
waves	O
,	O
the	O
latest	O
version	O
of	O
the	O
MilkDrop	B-Application
beta	O
allows	O
up	O
to	O
five	O
custom	O
shapes	O
and	O
five	O
custom	O
waves	O
to	O
be	O
utilized	O
per	O
preset	O
.	O
</s>
<s>
Milkdrop	B-Application
is	O
the	O
successor	O
of	O
an	O
earlier	O
music	B-Application
visualization	I-Application
software	O
by	O
Ryan	O
Geiss	O
,	O
the	O
geiss	O
plugin	B-Application
for	O
Winamp	B-Application
,	O
released	O
around	O
1998	O
.	O
</s>
<s>
The	O
geiss	O
plugin	B-Application
did	O
the	O
real-time	B-General_Concept
music	B-Application
visualization	I-Application
purely	O
software	O
rendered	O
by	O
utilizing	O
the	O
CPU	B-General_Concept
effectively	O
by	O
highly	O
optimized	O
,	O
hand-tuned	O
assembly	B-Language
code	I-Language
.	O
</s>
<s>
In	O
2001	O
the	O
first	O
version	O
of	O
milkdrop	B-Application
was	O
written	O
,	O
built	O
around	O
the	O
now	O
widely	O
available	O
GPU	B-Architecture
hardware	O
.	O
</s>
<s>
Ryan	O
Geiss	O
released	O
12	O
versions	O
of	O
MilkDrop	B-Application
between	O
5	O
November	O
2001	O
and	O
31	O
July	O
2003	O
.	O
</s>
<s>
Originally	O
closed	O
source	O
,	O
version	O
1.04	O
Milkdrop	B-Application
's	O
source	O
code	O
was	O
released	O
under	O
the	O
BSD	B-Operating_System
license	I-Operating_System
in	O
May	O
2005	O
.	O
</s>
<s>
With	O
the	O
availability	O
of	O
the	O
source	O
code	O
,	O
MilkDrop	B-Application
has	O
been	O
ported	O
to	O
many	O
platforms	O
:	O
for	O
instance	O
to	O
XBMC	B-Application
(	O
now	O
Kodi	B-Application
)	O
,	O
a	O
homebrew	B-Application
developed	O
media	B-Device
player	I-Device
that	O
can	O
be	O
downloaded	O
for	O
Xbox	B-Application
,	O
PC	B-Device
,	O
or	O
as	O
a	O
LiveCD	O
.	O
</s>
<s>
projectM	B-Application
is	O
an	O
implementation	O
of	O
MilkDrop	B-Application
using	O
OpenGL	B-Application
in	O
C++	O
,	O
and	O
is	O
released	O
under	O
the	O
GNU	B-Application
LGPL	I-Application
.	O
</s>
<s>
It	O
is	O
available	O
as	O
a	O
plugin	B-Application
for	O
Audacious	B-Language
,	O
XMMS	B-Language
,	O
Winamp	B-Application
,	O
iTunes	B-Operating_System
,	O
Jack	B-Application
,	O
PulseAudio	B-Library
,	O
foobar2000	B-Application
,	O
Windows	B-Device
Media	I-Device
Player	I-Device
,	O
VLC	B-Application
media	I-Application
player	I-Application
and	O
XBMC	B-Application
.	O
</s>
<s>
The	O
VLC	O
versions	O
2.2.0	O
and	O
higher	O
no	O
longer	O
support	O
the	O
projectM	B-Application
plugin	B-Application
.	O
</s>
<s>
It	O
comes	O
natively	O
with	O
Clementine	B-Language
,	O
Poweramp	O
,	O
and	O
Qmmp	B-Language
that	O
are	O
also	O
available	O
in	O
the	O
Play	O
Store	O
on	O
Android	B-Application
.	O
</s>
<s>
MilkDrop	B-Application
2.0	O
was	O
released	O
in	O
2007	O
,	O
introducing	O
Per	O
Pixel	B-Algorithm
Shader	O
support	O
.	O
</s>
<s>
It	O
is	O
available	O
with	O
Winamp	O
5.5	O
or	O
from	O
projectM	B-Application
in	O
their	O
2.0.1	O
version	O
for	O
use	O
with	O
other	O
players	O
like	O
the	O
VLC	B-Application
media	I-Application
player	I-Application
.	O
</s>
<s>
MilkDrop	B-Application
2	O
added	O
DirectX	B-Application
9.0	I-Application
support	O
and	O
added	O
the	O
ability	O
to	O
use	O
pixel	B-Algorithm
shaders	O
in	O
its	O
presets	O
.	O
</s>
<s>
The	O
source	O
code	O
for	O
MilkDrop	B-Application
2.25c	O
has	O
been	O
released	O
on	O
15	O
May	O
2013	O
.	O
</s>
<s>
Milkdrop	B-Application
is	O
implemented	O
in	O
Winamp	B-Application
(	O
actual	O
5.66	O
)	O
.	O
</s>
<s>
In	O
2011	O
,	O
Milkdrop	B-Application
was	O
retrospectively	O
described	O
as	O
"	O
the	O
greatest	O
single	O
work	O
of	O
art	O
produced	O
during	O
the	O
naughties	O
"	O
.	O
</s>
<s>
According	O
to	O
the	O
Winamp	B-Application
main	O
download	O
page	O
,	O
the	O
milkdrop	B-Application
plugin	B-Application
and	O
its	O
predecessor	O
Geiss	O
were	O
the	O
most	O
downloaded	O
plugins	B-Application
overall	O
,	O
with	O
2,737,890	O
and	O
4,686,010	O
downloads	O
(	O
on	O
10	O
August	O
2014	O
)	O
,	O
respectively	O
.	O
</s>
<s>
The	O
Flickernoise	O
software	O
for	O
the	O
Milkymist	O
One	O
video	O
synthesizer	O
is	O
largely	O
inspired	O
by	O
MilkDrop	B-Application
,	O
and	O
is	O
compatible	O
with	O
MilkDrop	B-Application
presets	O
to	O
some	O
extent	O
.	O
</s>
<s>
Butterchurn	O
(	O
2018	O
)	O
is	O
a	O
web	O
implementation	O
of	O
the	O
original	O
source	O
code	O
of	O
Milkdrop	B-Application
released	O
on	O
the	O
WinAmp	B-Application
forum	O
in	O
2007	O
.	O
</s>
