<s>
Kdenlive	B-Language
(	O
;	O
acronym	O
for	O
KDE	B-Application
Non-Linear	O
Video	O
Editor	O
)	O
is	O
a	O
free	B-License
and	I-License
open-source	I-License
video	O
editing	O
software	O
based	O
on	O
the	O
MLT	B-Application
Framework	I-Application
,	O
KDE	B-Application
and	O
Qt	B-Language
.	O
</s>
<s>
With	O
the	O
release	O
of	O
Kdenlive	B-Language
15.04.0	O
in	O
2015	O
it	O
became	O
part	O
of	O
the	O
official	O
KDE	B-Language
Projects	I-Language
suite	O
.	O
</s>
<s>
Kdenlive	B-Language
packages	O
are	O
freely	O
available	O
for	O
Linux	B-Application
,	O
FreeBSD	B-Operating_System
,	O
and	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
As	O
a	O
whole	O
it	O
is	O
distributed	O
under	O
the	O
GPL-3.0-or-later	B-License
license	O
,	O
while	O
parts	O
of	O
the	O
source	O
code	O
are	O
available	O
under	O
different	O
licenses	O
such	O
as	O
GPL-2.0-or-later	B-License
and	O
GPL-3.0-or-later	B-License
.	O
</s>
<s>
The	O
development	O
of	O
Kdenlive	B-Language
moved	O
on	O
from	O
the	O
K	B-Language
Desktop	I-Language
Environment	I-Language
3	I-Language
version	O
(	O
which	O
was	O
n't	O
originally	O
made	O
for	O
MLT	B-Application
)	O
to	O
KDE	B-Language
Platform	I-Language
4	I-Language
,	O
with	O
an	O
almost	O
complete	O
rewrite	O
.	O
</s>
<s>
This	O
was	O
completed	O
with	O
Kdenlive	B-Language
0.7	O
,	O
released	O
on	O
12	O
November	O
2008	O
.	O
</s>
<s>
Kdenlive	B-Language
0.9.10	O
released	O
on	O
1	O
October	O
2014	O
was	O
the	O
last	O
KDE	B-Application
4	O
release	O
.	O
</s>
<s>
Kdenlive	B-Language
started	O
to	O
plan	O
a	O
move	O
into	O
the	O
KDE	B-Language
Projects	I-Language
and	O
its	O
infrastructure	O
in	O
2014	O
.	O
</s>
<s>
Port	O
to	O
KDE	B-Language
Frameworks	I-Language
5	I-Language
was	O
finished	O
with	O
the	O
release	O
of	O
2015.04.0	O
as	O
part	O
of	O
KDE	B-Language
Applications	I-Language
5	I-Language
.	O
</s>
<s>
The	O
move	O
to	O
KDE	B-Application
is	O
ongoing	O
.	O
</s>
<s>
Release	O
of	O
the	O
refactoring	O
version	O
was	O
originally	O
planned	O
for	O
August	O
2018	O
in	O
the	O
KDE	B-Application
18.08	O
Applications	O
release	O
.	O
</s>
<s>
The	O
refactored	O
version	O
of	O
Kdenlive	B-Language
was	O
released	O
on	O
22	O
April	O
2019	O
in	O
the	O
KDE	B-Application
19.04	O
Applications	O
release	O
.	O
</s>
<s>
On	O
20	O
September	O
2022	O
,	O
KDE	B-Application
began	O
the	O
first	O
fundraising	O
drive	O
for	O
Kdenlive	B-Language
,	O
with	O
the	O
funds	O
to	O
be	O
used	O
to	O
implement	O
major	O
features	O
and	O
bring	O
Kdenlive	B-Language
up	O
to	O
the	O
standards	O
of	O
more	O
professional	O
video	O
editors	O
.	O
</s>
<s>
KDE	B-Application
's	O
Kdenlive	B-Language
makes	O
use	O
of	O
MLT	B-Application
,	O
Frei0r	B-Language
effects	I-Language
,	O
SoX	B-Operating_System
and	O
LADSPA	B-Language
libraries	O
.	O
</s>
<s>
Kdenlive	B-Language
supports	O
all	O
of	O
the	O
formats	O
supported	O
by	O
FFmpeg	B-Library
or	O
libav	B-Language
(	O
such	O
as	O
QuickTime	O
,	O
AVI	O
,	O
WMV	B-Device
,	O
MPEG	O
,	O
and	O
Flash	B-Operating_System
Video	I-Operating_System
,	O
among	O
others	O
)	O
,	O
and	O
also	O
supports	O
4:3	O
and	O
16:9	O
aspect	O
ratios	O
for	O
both	O
PAL	B-Language
,	O
NTSC	O
and	O
various	O
HD	O
standards	O
,	O
including	O
HDV	O
and	O
AVCHD	O
.	O
</s>
<s>
Audio	B-Algorithm
signal	I-Algorithm
processing	I-Algorithm
capabilities	O
include	O
normalization	O
,	O
phase	O
and	O
pitch	O
shifting	O
,	O
limiting	O
,	O
volume	O
adjustment	O
,	O
reverb	O
and	O
equalization	O
filters	O
as	O
well	O
as	O
others	O
.	O
</s>
<s>
Rendering	O
is	O
done	O
using	O
a	O
separate	O
non-blocking	O
process	B-Operating_System
so	O
it	O
can	O
be	O
stopped	O
,	O
paused	O
and	O
restarted	O
.	O
</s>
<s>
Kdenlive	B-Language
also	O
provides	O
a	O
script	O
called	O
the	O
Kdenlive	B-Language
Builder	O
Wizard	O
(	O
KBW	O
)	O
that	O
compiles	B-Language
the	O
latest	O
developer	O
version	O
of	O
the	O
software	O
and	O
its	O
main	O
dependencies	O
from	O
source	O
,	O
to	O
allow	O
users	O
to	O
try	O
to	O
test	O
new	O
features	O
and	O
report	O
problems	O
on	O
the	O
bug	O
tracker	O
.	O
</s>
<s>
Project	O
files	O
are	O
stored	O
in	O
XML	B-Protocol
format	O
.	O
</s>
<s>
An	O
archiving	O
feature	O
allows	O
exporting	B-General_Concept
a	O
project	O
among	O
all	O
assets	O
into	O
a	O
single	O
folder	O
or	O
compressed	O
archive	O
.	O
</s>
