<s>
GNOME	B-Language
Videos	I-Language
,	O
formerly	O
known	O
as	O
Totem	B-Language
,	O
is	O
a	O
media	B-Device
player	I-Device
(	O
audio	O
and	O
video	O
)	O
for	O
the	O
GNOME	B-Application
computer	O
desktop	O
environment	O
.	O
</s>
<s>
GNOME	B-Language
Videos	I-Language
uses	O
the	O
Clutter	B-Language
and	O
GTK+	B-Application
toolkits	O
.	O
</s>
<s>
It	O
is	O
officially	O
included	O
in	O
GNOME	B-Application
starting	O
from	O
version	O
2.10	O
(	O
released	O
in	O
March	O
2005	O
)	O
,	O
but	O
de	O
facto	O
it	O
was	O
already	O
included	O
in	O
most	O
GNOME	B-Application
environments	O
.	O
</s>
<s>
Totem	B-Language
utilizes	O
the	O
GStreamer	B-Language
framework	O
for	O
playback	O
,	O
though	O
until	O
version	O
2.27.1	O
,	O
it	O
could	O
alternatively	O
be	O
configured	O
to	O
use	O
the	O
Xine	B-Application
libraries	O
instead	O
of	O
GStreamer	B-Language
.	O
</s>
<s>
GNOME	B-Language
Videos	I-Language
is	O
free	B-License
and	I-License
open-source	I-License
software	I-License
subject	O
to	O
the	O
requirements	O
of	O
the	O
GPL-2.0-or-later	B-License
license	O
.	O
</s>
<s>
Until	O
recently	O
there	O
were	O
two	O
distinct	O
versions	O
of	O
Totem	B-Language
,	O
though	O
the	O
difference	O
was	O
not	O
visible	O
at	O
the	O
user	O
interface	O
level	O
.	O
</s>
<s>
One	O
of	O
them	O
was	O
based	O
on	O
GStreamer	B-Language
,	O
which	O
is	O
a	O
plugin-based	O
multimedia	O
framework	O
.	O
</s>
<s>
The	O
other	O
one	O
was	O
based	O
on	O
xine	B-Application
,	O
which	O
is	O
a	O
regular	O
multimedia	O
library	O
.	O
</s>
<s>
At	O
the	O
time	O
the	O
latter	O
had	O
better	O
encrypted	O
DVD	O
playback	O
support	O
,	O
DVD	O
navigation	O
support	O
and	O
could	O
play	O
some	O
files	O
the	O
GStreamer	B-Language
version	O
could	O
n't	O
handle	O
.	O
</s>
<s>
Due	O
to	O
enhancements	O
in	O
GStreamer	B-Language
including	O
the	O
ability	O
to	O
play	O
back	O
encrypted	O
DVDs	O
,	O
the	O
Totem	B-Language
development	O
team	O
dropped	O
support	O
for	O
the	O
xine	B-Application
backend	O
.	O
</s>
<s>
Totem	B-Language
is	O
closely	O
integrated	O
with	O
the	O
GNOME	B-Application
desktop	I-Application
environment	I-Application
and	O
its	O
file	O
manager	O
,	O
GNOME	B-Language
Files	I-Language
.	O
</s>
<s>
This	O
includes	O
generating	O
thumbnails	O
of	O
video	O
files	O
when	O
browsing	O
in	O
GNOME	B-Language
Files	I-Language
and	O
a	O
video	O
plugin	O
for	O
Netscape-compatible	O
browsers	O
(	O
e.g.	O
</s>
<s>
Firefox	B-Application
and	O
GNOME	B-Language
Web	I-Language
)	O
.	O
</s>
<s>
Thanks	O
to	O
a	O
large	O
number	O
of	O
plugins	O
developed	O
for	O
GStreamer	B-Language
,	O
Totem	B-Language
is	O
able	O
to	O
play	O
all	O
mainstream	O
media	O
formats	O
,	O
both	O
open	O
and	O
proprietary	O
ones	O
.	O
</s>
<s>
It	O
also	O
understands	O
numerous	O
playlist	O
formats	O
,	O
including	O
SHOUTcast	B-Application
,	O
M3U	O
,	O
XML	B-Application
Shareable	I-Application
Playlist	I-Application
Format	I-Application
(	O
XSPF	B-Application
)	O
,	O
SMIL	B-Language
,	O
Windows	B-Device
Media	I-Device
Player	I-Device
playlists	O
and	O
RealAudio	B-Algorithm
playlists	O
.	O
</s>
<s>
Full-screen	O
video	O
playback	O
is	O
supported	O
on	O
nearly	O
all	O
X	B-Operating_System
configurations	O
,	O
including	O
multi-head	O
Xinerama	B-Device
setups	O
,	O
and	O
on	O
displays	O
connected	O
to	O
the	O
TV-Out	O
.	O
</s>
<s>
On	O
computers	O
with	O
an	O
infrared	O
port	O
,	O
Totem	B-Language
can	O
be	O
remotely	O
controlled	O
via	O
LIRC	B-Language
.	O
</s>
<s>
The	O
loading	O
of	O
external	O
SubRip	B-Application
subtitles	O
,	O
both	O
automatic	O
and	O
manual	O
(	O
via	O
the	O
command-line	B-Application
)	O
,	O
is	O
also	O
supported	O
.	O
</s>
<s>
The	O
player	O
was	O
known	O
as	O
Totem	B-Language
.	O
</s>
<s>
The	O
name	O
'	O
Totem	B-Language
 '	O
,	O
remained	O
in	O
'	O
de	O
facto	O
 '	O
use	O
(	O
the	O
executable	O
,	O
for	O
example	O
,	O
still	O
uses	O
the	O
Totem	B-Language
name	O
,	O
as	O
does	O
its	O
package	O
in	O
Debian	O
)	O
.	O
</s>
<s>
GNOME	B-Application
3.12	O
revamped	O
the	O
user	O
interface	O
radically	O
and	O
added	O
support	O
for	O
direct	O
playback	O
from	O
online	O
video	O
channels	O
such	O
as	O
Guardian	O
and	O
Apple	O
trailers	O
.	O
</s>
<s>
Whether	O
GNOME	B-Language
Videos	I-Language
can	O
offload	O
computations	O
for	O
video	O
decoding	O
to	O
SIP	B-Architecture
blocks	I-Architecture
such	O
as	O
PureVideo	O
,	O
UVD	O
,	O
QuickSync	B-Algorithm
Video	I-Algorithm
,	O
TI	O
Ducati	O
through	O
interfaces	B-Application
,	O
like	O
e.g.	O
</s>
<s>
VDPAU	B-Application
,	O
VAAPI	B-Application
,	O
Distributed	B-Application
Codec	I-Application
Engine	I-Application
or	O
DXVA	B-General_Concept
depends	O
entirely	O
on	O
the	O
back-end	O
.	O
</s>
<s>
See	O
GStreamer	B-Language
or	O
Xine	B-Application
for	O
such	O
support	O
.	O
</s>
