<s>
The	O
USB	B-Application
video	I-Application
device	I-Application
class	I-Application
(	O
also	O
USB	B-Application
video	I-Application
class	I-Application
or	O
UVC	O
)	O
is	O
a	O
USB	B-Protocol
device	I-Protocol
class	O
that	O
describes	O
devices	O
capable	O
of	O
streaming	O
video	O
like	O
webcams	B-Protocol
,	O
digital	O
camcorders	O
,	O
transcoders	B-Algorithm
,	O
analog	O
video	B-Algorithm
converters	I-Algorithm
and	O
still-image	O
cameras	O
.	O
</s>
<s>
The	O
latest	O
revision	O
of	O
the	O
USB	B-Application
video	I-Application
class	I-Application
specification	O
carries	O
the	O
version	O
number	O
1.5	O
and	O
was	O
defined	O
by	O
the	O
USB	B-Protocol
Implementers	O
Forum	O
in	O
a	O
set	O
of	O
documents	O
describing	O
both	O
the	O
basic	O
protocol	O
and	O
the	O
different	O
payload	O
formats	O
.	O
</s>
<s>
Webcams	B-Protocol
were	O
among	O
the	O
first	O
devices	O
to	O
support	O
the	O
UVC	O
standard	O
and	O
are	O
currently	O
the	O
most	O
popular	O
UVC	O
devices	O
.	O
</s>
<s>
UVC	O
v1.5	O
supports	O
transmission	O
of	O
compressed	O
video	O
streams	O
,	O
including	O
MPEG-2	O
TS	O
,	O
H.264	B-Application
,	O
MPEG-4	O
SL	O
SMPTE	B-Operating_System
VC1	I-Operating_System
and	O
MJPEG	B-Application
.	O
</s>
<s>
For	O
detailed	O
history	O
on	O
releases	O
,	O
see	O
the	O
revision	O
history	O
section	O
of	O
the	O
published	O
USB	B-Protocol
UVC	O
documents	O
,	O
available	O
from	O
the	O
page	O
.	O
</s>
<s>
FAQ	O
:	O
Added	O
section	O
2.21	O
Interlaced	O
video	O
1.0b	O
Changes	O
to	O
FAQ	O
only	O
:	O
Protocol	O
STALL	O
behavior	O
,	O
current	O
and	O
future	O
payload	O
header	O
formats	O
1.0c	O
June	O
5	O
,	O
2004	O
Changes	O
to	O
FAQ	O
only	O
:	O
Added	O
motion	B-Application
JPEG	I-Application
characteristics	O
1.1	O
June	O
1	O
,	O
2005	O
Major	O
update	O
including	O
among	O
other	O
things	O
:	O
New	O
documents	O
specifying	O
for	O
stream	O
and	O
frame	O
based	O
payloads	O
,	O
latency	O
optimizations	O
for	O
stream-based	O
formats	O
,	O
specification	O
of	O
absolute	O
and	O
relative	O
control	O
relationship	O
,	O
asynchronous	O
controls	O
behavior	O
,	O
change	O
naming	O
from	O
"	O
VDC	O
"	O
to	O
"	O
UVC	O
"	O
,	O
obsolete	O
old	O
formats	O
and	O
add	O
new	O
ones	O
,	O
add	O
a	O
flag	O
to	O
distinguish	O
between	O
dynamic	O
and	O
fixed	O
frame	O
rate	O
devices	O
(	O
RR0043	O
)	O
.	O
</s>
<s>
1.5	O
June	O
6	O
,	O
2012	O
Added	O
H.264	B-Application
and	O
VP8	B-Algorithm
payloads	O
,	O
and	O
accompanying	O
controls	O
for	O
video	O
encoders	O
.	O
</s>
<s>
AndroidAs	O
of	O
the	O
release	O
of	O
Android	O
10	O
(	O
and	O
still	O
as	O
of	O
June	O
2020	O
)	O
Android	O
does	O
not	O
support	O
UVC	O
(	O
USB	B-Protocol
video	O
devices	O
)	O
.	O
</s>
<s>
LinuxUSB	O
video	O
class	O
support	O
for	O
Linux	B-Application
is	O
provided	O
by	O
the	O
,	O
although	O
as	O
of	O
July	O
2017	O
support	O
for	O
still-image	O
capture	O
is	O
not	O
yet	O
implemented	O
.	O
</s>
<s>
The	O
UVC	O
driver	O
has	O
been	O
included	O
in	O
the	O
Linux	B-Application
kernel	O
source	O
code	O
since	O
kernel	O
version	O
2.6.26	O
.	O
</s>
<s>
Detection	O
of	O
UVC	O
1.5	O
devices	O
was	O
introduced	O
in	O
Linux	B-Application
kernel	O
version	O
4.5	O
,	O
but	O
support	O
in	O
the	O
driver	O
for	O
UVC	O
1.5	O
specific	O
features	O
or	O
specific	O
UVC	O
1.5	O
devices	O
was	O
not	O
added	O
and	O
MPEG-2	O
TS	O
,	O
H.264	B-Application
and	O
VP8	B-Algorithm
payloads	O
are	O
not	O
supported	O
yet	O
.	O
</s>
<s>
macOS	B-Application
macOS	B-Application
ships	O
with	O
a	O
UVC	O
driver	O
included	O
since	O
version	O
10.4.3	O
,	O
updated	O
in	O
10.4.9	O
to	O
work	O
with	O
iChat	B-Protocol
.	O
</s>
<s>
Windows	O
Windows	B-Application
XP	I-Application
has	O
a	O
class	B-Application
driver	I-Application
for	O
USB	B-Application
video	I-Application
class	I-Application
1.0	O
devices	O
since	O
Service	O
Pack	O
2	O
,	O
as	O
does	O
Windows	B-Application
Vista	I-Application
and	O
Windows	B-Operating_System
CE	I-Operating_System
6.0	I-Operating_System
.	O
</s>
<s>
PlayStation	O
3The	O
PlayStation	B-Operating_System
3	I-Operating_System
added	O
support	O
for	O
UVC	O
compatible	O
webcams	B-Protocol
in	O
firmware	O
version	O
1.54	O
(	O
only	O
works	O
for	O
video	O
chat	O
,	O
not	O
games	O
.	O
)	O
</s>
<s>
SolarisSolaris	O
includes	O
support	O
for	O
UVC	O
webcams	B-Protocol
in	O
the	O
form	O
of	O
the	O
usbvc	O
driver	O
for	O
OpenSolaris	O
.	O
</s>
<s>
The	O
driver	O
ships	O
with	O
Solaris	B-Application
Express	I-Application
and	O
later	O
.	O
</s>
