<s>
Multi	O
view	O
Video	B-Algorithm
Coding	I-Algorithm
(	O
MVC	O
,	O
also	O
known	O
as	O
MVC	O
3D	O
)	O
is	O
a	O
stereoscopic	B-Algorithm
video	I-Algorithm
coding	I-Algorithm
standard	O
for	O
video	B-Algorithm
compression	I-Algorithm
that	O
allows	O
for	O
the	O
efficient	O
encoding	O
of	O
video	O
sequences	O
captured	O
simultaneously	O
from	O
multiple	O
camera	O
angles	O
in	O
a	O
single	O
video	O
stream	O
.	O
</s>
<s>
It	O
uses	O
the	O
2D	B-Application
plus	I-Application
Delta	I-Application
method	O
and	O
is	O
an	O
amendment	O
to	O
the	O
H.264	B-Application
(	O
MPEG-4	B-Application
AVC	I-Application
)	O
video	B-Algorithm
compression	I-Algorithm
standard	I-Algorithm
,	O
developed	O
jointly	O
by	O
MPEG	O
and	O
VCEG	B-Application
,	O
with	O
contributions	O
from	O
a	O
number	O
of	O
companies	O
,	O
primarily	O
Panasonic	O
and	O
LG	O
Electronics	O
.	O
</s>
<s>
MVC	O
formatting	O
is	O
intended	O
for	O
encoding	O
stereoscopic	B-Algorithm
(	O
two-view	O
)	O
3D	B-Algorithm
video	I-Algorithm
,	O
as	O
well	O
as	O
free	B-Operating_System
viewpoint	I-Operating_System
television	I-Operating_System
and	O
multi-view	O
3D	B-Algorithm
television	I-Algorithm
.	O
</s>
<s>
The	O
Stereo	O
High	O
profile	O
has	O
been	O
standardized	O
in	O
June	O
2009	O
;	O
the	O
profile	O
is	O
based	O
on	O
the	O
MVC	O
tool	O
set	O
and	O
is	O
used	O
in	O
stereoscopic	B-Algorithm
Blu-ray	O
3D	O
releases	O
.	O
</s>
<s>
The	O
method	O
for	O
this	O
used	O
in	O
Multiview	B-Algorithm
Video	I-Algorithm
Coding	I-Algorithm
for	O
Blu-ray	O
3D	B-Algorithm
movies	I-Algorithm
is	O
known	O
as	O
the	O
2D	B-Application
plus	I-Application
Delta	I-Application
algorithm	O
,	O
and	O
the	O
MVC	O
specification	O
itself	O
is	O
part	O
of	O
the	O
H.264	B-Application
standard	O
as	O
an	O
amendment	O
in	O
H.264	B-Application
“	O
Annex	O
H	O
”	O
of	O
the	O
specification	O
.	O
</s>
<s>
As	O
of	O
April	O
2015	O
,	O
there	O
is	O
still	O
no	O
free	B-License
and	I-License
open-source	I-License
software	I-License
that	O
supports	O
software	O
decoding	O
of	O
the	O
MVC	O
video	B-Algorithm
compression	I-Algorithm
standard	I-Algorithm
.	O
</s>
<s>
So	O
popular	O
open	O
source	O
H.264	B-Application
and	O
HEVC	B-Algorithm
(	O
H.265	B-Algorithm
)	O
decoders	O
such	O
as	O
those	O
used	O
in	O
the	O
FFmpeg	B-Library
and	O
Libav	B-Language
libraries	O
simply	O
ignore	O
the	O
additional	O
information	O
for	O
the	O
second	O
view	O
and	O
thus	O
do	O
not	O
show	O
the	O
second	O
view	O
for	O
stereoscopic	B-Algorithm
views	I-Algorithm
.	O
</s>
<s>
In	O
most	O
cases	O
the	O
reason	O
for	O
this	O
support	O
not	O
being	O
added	O
is	O
that	O
MVC	O
was	O
not	O
considered	O
when	O
the	O
initial	O
core	O
H.264	B-Application
and	O
HEVC	B-Algorithm
decoders	O
code	O
was	O
written	O
so	O
it	O
was	O
coded	O
in	O
one	O
large	O
chunk	O
,	O
and	O
later	O
amendment	O
would	O
as	O
such	O
often	O
mean	O
a	O
lot	O
of	O
prerequisite	O
code	O
refactoring	O
work	O
and	O
large	O
changes	O
its	O
current	O
architecture	O
,	O
with	O
major	O
work	O
in	O
untangling	O
and	O
reordering	O
some	O
code	O
,	O
and	O
splitting	O
different	O
functions	O
in	O
existing	O
decoder	O
code	O
into	O
smaller	O
chunks	O
for	O
simpler	O
handling	O
to	O
in	O
turn	O
then	O
make	O
amendments	O
such	O
as	O
MVC	O
easier	O
to	O
add	O
.	O
</s>
<s>
Some	O
proof-of-concept	O
work	O
has	O
however	O
been	O
done	O
downstream	O
in	O
the	O
past	O
,	O
but	O
never	O
made	O
it	O
upstream	O
into	O
official	O
releases	O
of	O
FFmpeg	B-Library
or	O
Libav	B-Language
.	O
</s>
<s>
Version	O
0.68	O
of	O
the	O
DirectShow	O
Media	O
Splitter	O
and	O
Decoders	O
Collection	O
LAV	O
Filters	O
was	O
released	O
by	O
developer	O
"	O
Nevcairiel	O
"	O
(	O
who	O
also	O
works	O
for	O
Media	B-Language
Player	I-Language
Classic	I-Language
—	O
Home	O
Cinema	O
(	O
MPC-HC	B-Language
)	O
)	O
with	O
support	O
of	O
H.264	B-Application
MVC	O
3D	O
demuxing	O
and	O
decoding	O
.	O
</s>
<s>
With	O
the	O
aid	O
of	O
this	O
release	O
and	O
FRIM	O
written	O
by	O
a	O
programmer	O
named	O
“	O
videohelp3d	O
”	O
it	O
is	O
possible	O
to	O
write	O
an	O
AviSynth	B-Application
script	O
to	O
pre	O
process	O
a	O
H.264	B-Application
MVC	O
3D	B-Algorithm
video	I-Algorithm
clip	O
which	O
can	O
then	O
be	O
opened	O
by	O
free	O
3D	B-Algorithm
video	I-Algorithm
player	O
Bino	O
and	O
then	O
shown	O
as	O
red	O
—	O
cyan	O
anaglyph	O
video	O
for	O
example	O
.	O
</s>
<s>
The	O
usage	O
of	O
the	O
FRIM	O
AviSynth	B-Application
plugin	O
(	O
FRIMSource	O
)	O
is	O
described	O
on	O
“	O
videohelp3d	O
”	O
home	O
page	O
.	O
</s>
<s>
LAV	O
Filters	O
can	O
be	O
used	O
to	O
get	O
audio	O
from	O
H.264	B-Application
MVC	O
3D	B-Algorithm
video	I-Algorithm
clip	O
.	O
</s>
