<s>
WebM	B-Application
is	O
an	O
audiovisual	O
media	O
file	O
format	O
.	O
</s>
<s>
It	O
is	O
primarily	O
intended	O
to	O
offer	O
a	O
royalty-free	O
alternative	O
to	O
use	O
in	O
the	O
HTML5	B-Application
video	O
and	O
the	O
HTML5	B-Language
audio	I-Language
elements	O
.	O
</s>
<s>
The	O
development	O
of	O
the	O
format	O
is	O
sponsored	O
by	O
Google	B-Application
,	O
and	O
the	O
corresponding	O
software	O
is	O
distributed	O
under	O
a	O
BSD	B-Operating_System
license	I-Operating_System
.	O
</s>
<s>
The	O
WebM	B-Application
container	O
is	O
based	O
on	O
a	O
profile	O
of	O
Matroska	O
.	O
</s>
<s>
WebM	B-Application
initially	O
supported	O
VP8	B-Algorithm
video	O
and	O
Vorbis	B-Algorithm
audio	O
streams	O
.	O
</s>
<s>
In	O
2013	O
,	O
it	O
was	O
updated	O
to	O
accommodate	O
VP9	B-Algorithm
video	O
and	O
Opus	B-Algorithm
audio	O
.	O
</s>
<s>
It	O
also	O
supports	O
the	O
new	O
AV1	B-Application
codec	O
.	O
</s>
<s>
Native	O
WebM	B-Application
support	O
by	O
Mozilla	B-Application
Firefox	I-Application
,	O
Opera	B-Application
,	O
and	O
Google	B-Application
Chrome	I-Application
was	O
announced	O
at	O
the	O
2010	O
Google	B-Application
I/O	I-Application
conference	O
.	O
</s>
<s>
Internet	B-Application
Explorer	I-Application
9	I-Application
requires	O
third-party	O
WebM	B-Application
software	O
.	O
</s>
<s>
In	O
2021	O
,	O
Apple	O
released	O
Safari	B-Application
14.1	O
for	O
macOS	O
,	O
which	O
added	O
native	O
WebM	B-Application
support	O
to	O
the	O
browser	O
.	O
</s>
<s>
,	O
QuickTime	O
does	O
not	O
natively	O
support	O
WebM	B-Application
,	O
but	O
does	O
with	O
a	O
suitable	O
third-party	O
plug-in	O
.	O
</s>
<s>
In	O
2011	O
,	O
the	B-Application
Google	I-Application
WebM	B-Application
Project	I-Application
Team	O
released	O
plugins	O
for	O
Internet	O
Explorer	O
and	O
Safari	B-Application
to	O
allow	O
playback	O
of	O
WebM	B-Application
files	O
through	O
the	O
standard	O
HTML5	B-Application
<video>	O
tag	O
.	O
</s>
<s>
,	O
Internet	B-Application
Explorer	I-Application
9	I-Application
and	O
later	O
supported	O
the	O
plugin	O
for	O
Windows	O
Vista	O
and	O
later	O
.	O
</s>
<s>
VLC	B-Application
media	I-Application
player	I-Application
,	O
MPlayer	B-Application
,	O
K-Multimedia	B-Application
Player	I-Application
and	O
JRiver	B-Operating_System
Media	I-Operating_System
Center	I-Operating_System
have	O
native	O
support	O
for	O
playing	O
WebM	B-Application
files	O
.	O
</s>
<s>
FFmpeg	B-Library
can	O
encode	O
and	O
decode	O
VP8	B-Algorithm
videos	O
when	O
built	O
with	O
support	O
for	O
libvpx	B-Language
,	O
the	O
VP8/VP9	O
codec	O
library	O
of	O
the	O
WebM	B-Application
project	I-Application
,	O
as	O
well	O
as	O
mux/demux	O
WebM-compliant	O
files	O
.	O
</s>
<s>
On	O
July	O
23	O
,	O
2010	O
Fiona	O
Glaser	O
,	O
Ronald	O
Bultje	O
,	O
and	O
David	O
Conrad	O
of	O
the	O
FFmpeg	B-Library
team	O
announced	O
the	O
ffvp8	B-Library
decoder	O
.	O
</s>
<s>
Their	O
testing	O
found	O
that	O
ffvp8	B-Library
was	O
faster	O
than	O
Google	B-Application
's	I-Application
own	O
libvpx	B-Language
decoder	O
.	O
</s>
<s>
MKVToolNix	B-Language
,	O
the	O
popular	O
Matroska	O
creation	O
tools	O
,	O
implemented	O
support	O
for	O
multiplexing/demultiplexing	O
WebM-compliant	O
files	O
out	O
of	O
the	O
box	O
.	O
</s>
<s>
Haali	O
Media	O
Splitter	O
also	O
announced	O
support	O
for	O
muxing/demuxing	O
of	O
WebM	B-Application
.	O
</s>
<s>
Since	O
version	O
1.4.9	O
,	O
the	O
LiVES	O
video	O
editor	O
has	O
support	O
for	O
realtime	O
decoding	O
and	O
for	O
encoding	O
to	O
WebM	B-Application
format	O
using	O
ffmpeg	B-Library
libraries	O
.	O
</s>
<s>
MPC-HC	B-Language
since	O
build	O
SVN	O
2071	O
supports	O
WebM	B-Application
playback	O
with	O
internal	O
VP8	B-Algorithm
decoder	O
based	O
on	O
FFmpeg	B-Library
's	O
code	O
.	O
</s>
<s>
The	O
full	O
decoding	O
support	O
for	O
WebM	B-Application
is	O
available	O
in	O
MPC-HC	B-Language
since	O
version	O
1.4.2499.0	O
.	O
</s>
<s>
Android	B-Application
is	I-Application
WebM-enabled	O
since	O
version	O
2.3	B-Application
Gingerbread	I-Application
,	O
which	O
was	O
first	O
made	O
available	O
via	O
the	O
Nexus	B-Device
S	I-Device
smartphone	O
and	O
streamable	O
since	O
Android	B-Application
4.0	I-Application
Ice	B-Application
Cream	I-Application
Sandwich	I-Application
.	O
</s>
<s>
The	O
Microsoft	O
Edge	O
browser	O
supports	O
WebM	B-Application
since	O
April	O
2016	O
.	O
</s>
<s>
On	O
July	O
30	O
,	O
2019	O
,	O
Blender	B-Application
2.80	I-Application
was	O
released	O
with	O
WebM	B-Application
support	O
.	O
</s>
<s>
iOS	B-Application
did	O
not	O
natively	O
play	O
WebM	B-Application
originally	O
,	O
but	O
support	O
for	O
WebM	B-Application
was	O
added	O
in	O
Safari	B-Application
15	O
as	O
part	O
of	O
iOS	B-Operating_System
15	I-Operating_System
.	O
</s>
<s>
The	O
Sony	B-Device
PlayStation	I-Device
5	I-Device
supports	O
capturing	O
1080p	O
and	O
2160p	O
footage	O
in	O
WebM	B-Application
format	O
.	O
</s>
<s>
ChromeOS	B-Operating_System
screen	O
recordings	O
are	O
saved	O
as	O
WebM	B-Application
files	O
.	O
</s>
<s>
WebM	B-Application
Project	I-Application
licenses	O
VP8	B-Algorithm
hardware	B-General_Concept
accelerators	I-General_Concept
(	O
RTL	O
IP	O
)	O
to	O
semiconductor	O
companies	O
for	O
1080p	O
encoding	O
and	O
decoding	O
at	O
zero	O
cost	O
.	O
</s>
<s>
AMD	O
,	O
ARM	O
and	O
Broadcom	O
have	O
announced	O
support	O
for	O
hardware	B-General_Concept
acceleration	I-General_Concept
of	O
the	O
WebM	B-Application
format	O
.	O
</s>
<s>
Intel	O
is	O
also	O
considering	O
hardware-based	O
acceleration	O
for	O
WebM	B-Application
in	O
its	O
Atom-based	B-Device
TV	O
chips	O
if	O
the	O
format	O
gains	O
popularity	O
.	O
</s>
<s>
Qualcomm	O
and	O
Texas	O
Instruments	O
have	O
announced	O
support	O
,	O
with	O
native	O
support	O
coming	O
to	O
the	O
TI	B-Device
OMAP	I-Device
processor	O
.	O
</s>
<s>
Chips&Media	O
have	O
announced	O
a	O
fully	O
hardware	O
decoder	O
for	O
VP8	B-Algorithm
that	O
can	O
decode	O
full	O
HD	O
resolution	O
(	O
1080p	O
)	O
VP8	B-Algorithm
streams	O
at	O
60	O
frames	O
per	O
second	O
.	O
</s>
<s>
Nvidia	O
is	O
supporting	O
VP8	B-Algorithm
and	O
provides	O
both	O
hardware	O
decoding	O
and	O
encoding	O
in	O
the	O
Tegra	O
4	O
and	O
Tegra	O
4i	O
SoCs	B-Architecture
.	O
</s>
<s>
Nvidia	O
announced	O
3D	B-Algorithm
video	O
support	O
for	O
WebM	B-Application
through	O
HTML5	B-Application
and	O
their	O
Nvidia	B-Algorithm
3D	I-Algorithm
Vision	I-Algorithm
technology	O
.	O
</s>
<s>
On	O
January	O
7	O
,	O
2011	O
,	O
Rockchip	B-Architecture
released	O
the	O
world	O
's	O
first	O
chip	O
to	O
host	O
a	O
full	O
hardware	O
implementation	O
of	O
1080p	O
VP8	B-Algorithm
decoding	O
.	O
</s>
<s>
The	O
video	O
acceleration	O
in	O
the	O
RK29xx	O
chip	O
is	O
handled	O
by	O
the	O
WebM	B-Application
Project	I-Application
's	O
G-Series	O
1	O
hardware	O
decoder	O
IP	O
.	O
</s>
<s>
In	O
June	O
2011	O
,	O
ZiiLABS	B-General_Concept
demonstrated	O
their	O
1080p	O
VP8	B-Algorithm
decoder	O
implementation	O
running	O
on	O
the	O
ZMS-20	O
processor	O
.	O
</s>
<s>
The	O
chip	O
's	O
programmable	O
media	O
processing	O
array	O
is	O
used	O
to	O
provide	O
the	O
VP8	B-Algorithm
acceleration	O
.	O
</s>
<s>
The	O
original	O
WebM	B-Application
license	O
terminated	O
both	O
patent	O
grants	O
and	O
copyright	O
redistribution	O
terms	O
if	O
a	O
patent	O
infringement	O
lawsuit	O
was	O
filed	O
,	O
causing	O
concerns	O
around	O
GPL	B-License
compatibility	O
.	O
</s>
<s>
In	O
response	O
to	O
those	O
concerns	O
,	O
the	O
WebM	B-Application
Project	I-Application
decoupled	O
the	O
patent	O
grant	O
from	O
the	O
copyright	O
grant	O
,	O
offering	O
the	O
code	O
under	O
a	O
standard	O
BSD	B-Operating_System
license	I-Operating_System
and	O
patents	O
under	O
a	O
separate	O
grant	O
.	O
</s>
<s>
The	B-Operating_System
Free	I-Operating_System
Software	I-Operating_System
Foundation	I-Operating_System
,	O
which	O
maintains	O
The	B-Application
Free	I-Application
Software	I-Application
Definition	I-Application
,	O
has	O
given	O
its	O
endorsement	O
for	O
WebM	B-Application
and	O
VP8	B-Algorithm
and	O
considers	O
the	O
software	O
's	O
license	O
to	O
be	O
compatible	O
with	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
On	O
January	O
19	O
,	O
2011	O
,	O
the	B-Operating_System
Free	I-Operating_System
Software	I-Operating_System
Foundation	I-Operating_System
announced	O
its	O
official	O
support	O
for	O
the	O
WebM	B-Application
project	I-Application
.	O
</s>
<s>
In	O
February	O
2011	O
,	O
Microsoft	O
's	O
Vice	O
President	O
of	O
Internet	O
Explorer	O
called	O
upon	O
Google	B-Application
to	O
provide	O
indemnification	O
against	O
patent	O
suits	O
.	O
</s>
<s>
Although	O
Google	B-Application
has	O
irrevocably	O
released	O
all	O
of	O
its	O
patents	O
on	O
VP8	B-Algorithm
as	O
a	O
royalty-free	O
format	O
,	O
the	O
MPEG	O
LA	O
,	O
licensors	O
of	O
the	O
H.264	B-Application
patent	O
pool	O
,	O
have	O
expressed	O
interest	O
in	O
creating	O
a	O
patent	O
pool	O
for	O
VP8	B-Algorithm
.	O
</s>
<s>
Conversely	O
,	O
other	O
researchers	O
cite	O
evidence	O
that	O
On2	B-Application
made	O
a	O
particular	O
effort	O
to	O
avoid	O
any	O
MPEG	O
LA	O
patents	O
.	O
</s>
<s>
In	O
March	O
2013	O
,	O
MPEG	O
LA	O
announced	O
that	O
it	O
had	O
reached	O
an	O
agreement	O
with	O
Google	B-Application
to	O
license	O
patents	O
that	O
"	O
may	O
be	O
essential	O
"	O
for	O
the	O
implementation	O
of	O
the	O
VP8	B-Algorithm
codec	O
,	O
and	O
give	O
Google	B-Application
the	O
right	O
to	O
sub-license	O
these	O
patents	O
to	O
any	O
third-party	O
user	O
of	O
VP8	B-Algorithm
or	O
VP9	B-Algorithm
.	O
</s>
<s>
In	O
March	O
2013	O
,	O
Nokia	O
filed	O
an	O
objection	O
to	O
the	O
Internet	O
Engineering	O
Task	O
Force	O
concerning	O
Google	B-Application
's	I-Application
proposal	O
for	O
the	O
VP8	B-Algorithm
codec	O
to	O
be	O
a	O
core	O
part	O
of	O
WebM	B-Application
,	O
saying	O
it	O
holds	O
essential	O
patents	O
to	O
VP8	B-Algorithm
's	O
implementation	O
.	O
</s>
<s>
Nokia	O
listed	O
64	O
patents	O
and	O
22	O
pending	O
applications	O
,	O
adding	O
it	O
was	O
not	O
prepared	O
to	O
license	O
any	O
of	O
them	O
for	O
VP8	B-Algorithm
.	O
</s>
<s>
On	O
August	O
5	O
,	O
2013	O
,	O
a	O
court	O
in	O
Mannheim	O
,	O
Germany	O
,	O
ruled	O
that	O
VP8	B-Algorithm
does	O
not	O
infringe	O
a	O
patent	O
owned	O
and	O
asserted	O
by	O
Nokia	O
.	O
</s>
