<s>
Intel	B-Algorithm
Quick	I-Algorithm
Sync	I-Algorithm
Video	I-Algorithm
is	O
Intel	O
's	O
brand	O
for	O
its	O
dedicated	O
video	B-Application
encoding	I-Application
and	I-Application
decoding	I-Application
hardware	O
core	B-Architecture
.	O
</s>
<s>
Quick	B-Algorithm
Sync	I-Algorithm
was	O
introduced	O
with	O
the	O
Sandy	B-Device
Bridge	I-Device
CPU	O
microarchitecture	O
on	O
9	O
January	O
2011	O
and	O
has	O
been	O
found	O
on	O
the	O
die	O
of	O
Intel	O
CPUs	O
ever	O
since	O
.	O
</s>
<s>
The	O
name	O
"	O
Quick	B-Algorithm
Sync	I-Algorithm
"	O
refers	O
to	O
the	O
use	O
case	O
of	O
quickly	O
transcoding	B-Algorithm
(	O
"	O
converting	O
"	O
)	O
a	O
video	O
from	O
,	O
for	O
example	O
,	O
a	O
DVD	O
or	O
Blu-ray	O
Disc	O
to	O
a	O
format	O
appropriate	O
to	O
,	O
for	O
example	O
,	O
a	O
smartphone	B-Application
.	O
</s>
<s>
This	O
becomes	O
critically	O
important	O
in	O
the	O
professional	O
video	O
workplace	O
,	O
in	O
which	O
source	O
material	O
may	O
have	O
been	O
shot	O
in	O
any	O
number	O
of	O
video	O
formats	O
,	O
all	O
of	O
which	O
must	O
be	O
brought	O
into	O
a	O
common	O
format	O
(	O
commonly	O
H.264	B-Application
)	O
for	O
inter-cutting	O
.	O
</s>
<s>
Unlike	O
video	O
encoding	O
on	O
a	O
CPU	O
or	O
a	O
general-purpose	B-Architecture
GPU	I-Architecture
,	O
Quick	B-Algorithm
Sync	I-Algorithm
is	O
a	O
dedicated	O
hardware	O
core	B-Architecture
on	O
the	O
processor	O
die	O
.	O
</s>
<s>
Quick	B-Algorithm
Sync	I-Algorithm
Video	I-Algorithm
is	O
available	O
on	O
Core	B-Architecture
i3	O
,	O
Core	B-Architecture
i5	O
,	O
Core	B-Device
i7	I-Device
,	O
and	O
Core	B-Architecture
i9	O
processors	O
starting	O
with	O
Sandy	B-Device
Bridge	I-Device
,	O
and	O
Celeron	O
&	O
Pentium	O
processors	O
starting	O
with	O
Haswell	B-Device
.	O
</s>
<s>
Like	O
most	O
desktop	O
hardware-accelerated	O
encoders	O
,	O
Quick	B-Algorithm
Sync	I-Algorithm
has	O
been	O
praised	O
for	O
its	O
speed	O
.	O
</s>
<s>
The	O
eighth	O
annual	O
MPEG-4	O
AVC/H.264	O
video	B-Application
codecs	I-Application
comparison	O
showed	O
that	O
Quick	B-Algorithm
Sync	I-Algorithm
was	O
comparable	O
to	O
x264	B-Language
superfast	O
preset	O
in	O
terms	O
of	O
speed	O
,	O
compression	O
ratio	O
and	O
quality	O
(	O
SSIM	B-Algorithm
)	O
;	O
tests	O
were	O
performed	O
on	O
an	O
Intel	B-Device
Core	I-Device
i7	I-Device
3770	O
(	O
Ivy	B-Device
Bridge	I-Device
)	O
processor	O
.	O
</s>
<s>
However	O
,	O
Quick	B-Algorithm
Sync	I-Algorithm
could	O
not	O
be	O
configured	O
to	O
spend	O
more	O
time	O
to	O
achieve	O
higher	O
quality	O
,	O
whereas	O
x264	B-Language
improved	O
significantly	O
when	O
allowed	O
to	O
use	O
more	O
time	O
using	O
the	O
recommended	O
settings	O
.	O
</s>
<s>
A	O
2012	O
evaluation	O
by	O
AnandTech	O
showed	O
that	O
QuickSync	B-Algorithm
on	O
Intel	O
's	O
Ivy	B-Device
Bridge	I-Device
produced	O
similar	O
image	O
quality	O
compared	O
to	O
the	O
NVENC	B-General_Concept
encoder	O
on	O
Nvidia	O
's	O
GTX	O
680	O
while	O
performing	O
much	O
better	O
at	O
resolutions	O
lower	O
than	O
1080p	O
.	O
</s>
<s>
Quick	B-Algorithm
Sync	I-Algorithm
was	O
first	O
unveiled	O
at	O
Intel	O
Developer	O
Forum	O
2010	O
(	O
September	O
13	O
)	O
but	O
,	O
according	O
to	O
Tom	O
's	O
Hardware	O
,	O
Quick	B-Algorithm
Sync	I-Algorithm
had	O
been	O
conceptualized	O
five	O
years	O
before	O
that	O
.	O
</s>
<s>
The	O
older	O
Clarkdale	B-Device
microarchitecture	O
had	O
hardware	O
video	B-Application
decoding	I-Application
support	O
,	O
but	O
no	O
hardware	O
encoding	O
support	O
;	O
it	O
was	O
known	O
as	O
Intel	B-Device
Clear	I-Device
Video	I-Device
.	O
</s>
<s>
Quick	B-Algorithm
Sync	I-Algorithm
was	O
initially	O
built	O
into	O
some	O
Sandy	B-Device
Bridge	I-Device
CPUs	O
,	O
but	O
not	O
into	O
Sandy	B-Device
Bridge	I-Device
Pentiums	O
or	O
Celerons	O
.	O
</s>
<s>
It	O
adds	O
H.264/AVC	B-Application
encoding	O
and	O
VC-1	B-Operating_System
decoding	O
acceleration	O
.	O
</s>
<s>
The	O
Ivy	B-Device
Bridge	I-Device
microarchitecture	O
included	O
a	O
"	O
next-generation	O
"	O
implementation	O
of	O
Quick	B-Algorithm
Sync	I-Algorithm
.	O
</s>
<s>
The	O
Haswell	B-Device
microarchitecture	I-Device
implementation	O
adds	O
H.262/MPEG	B-Algorithm
-2	I-Algorithm
Part	I-Algorithm
2	I-Algorithm
encoding	O
acceleration	O
.	O
</s>
<s>
An	O
open-source	O
hybrid	O
driver	O
was	O
developed	O
which	O
supports	O
partial	O
VP8	B-Algorithm
encoding	O
and	O
VP9	B-Algorithm
decoding	O
acceleration	O
under	O
Linux	B-Application
by	O
utilizing	O
both	O
the	O
integrated	O
GPU	O
and	O
CPU	O
.	O
</s>
<s>
The	O
Broadwell	B-General_Concept
microarchitecture	O
implementation	O
adds	O
VP8	B-Algorithm
hardware	O
decoding	O
.	O
</s>
<s>
The	O
Skylake	B-Architecture
microarchitecture	I-Architecture
implementation	O
adds	O
a	O
full	O
fixed-function	O
H.265/HEVC	B-Algorithm
8-bit	O
4:2:0	O
decoding	O
and	O
encoding	O
acceleration	O
,	O
hybrid	O
and	O
partial	O
HEVC	B-Algorithm
10-bit	O
decoding	O
acceleration	O
,	O
JPEG	O
encoding	O
acceleration	O
for	O
resolutions	O
up	O
to	O
16,000	O
×	O
16,000	O
pixels	O
,	O
and	O
partial	O
VP9	B-Algorithm
decoding	O
and	O
encoding	O
acceleration	O
.	O
</s>
<s>
The	O
Kaby	B-Device
Lake	I-Device
,	O
Coffee	B-Device
Lake	I-Device
,	O
Whiskey	B-Device
Lake	I-Device
and	O
Comet	B-Device
Lake	I-Device
microarchitectures	O
implementation	O
adds	O
full	O
fixed-function	O
H.265/HEVC	B-Algorithm
10-bit	O
4:2:0	O
decoding	O
and	O
encoding	O
acceleration	O
,	O
and	O
full	O
fixed-function	O
VP9	B-Algorithm
8-bit	O
and	O
10-bit	O
decoding	O
acceleration	O
and	O
8-bit	O
encoding	O
acceleration	O
.	O
</s>
<s>
The	O
Ice	B-Device
Lake	I-Device
microarchitecture	O
implementation	O
adds	O
VP9	B-Algorithm
8-bit	O
and	O
10-bit	O
decoding	O
and	O
encoding	O
acceleration	O
,	O
H.265/HEVC	B-Algorithm
8-bit	O
and	O
10-bit	O
decoding	O
and	O
encoding	O
acceleration	O
with	O
4:2:2	O
and	O
4:4:4	O
chroma	O
subsampling	O
,	O
HDR10	O
Tone	O
Mapping	O
and	O
Open	O
Source	O
Media	O
Shaders	O
.	O
</s>
<s>
HEVC	B-Algorithm
hardware	O
encoding	O
quality	O
has	O
also	O
been	O
improved	O
.	O
</s>
<s>
The	O
Tiger	B-Device
Lake	I-Device
,	O
Rocket	B-Device
Lake	I-Device
,	O
Alder	B-Device
Lake	I-Device
&	O
Raptor	B-Device
Lake	I-Device
microarchitectures	O
implementation	O
adds	O
VP9	B-Algorithm
12-bit	O
&	O
12-bit	O
4:4:4	O
hardware	O
decoding	O
and	O
HEVC	B-Algorithm
12-bit	O
4:2:0	O
,	O
4:2:2	O
and	O
4:4:4	O
hardware	O
decoding	O
.	O
</s>
<s>
Gen12	O
Xe	O
will	O
also	O
support	O
native	O
AV1	B-Application
decode	O
,	O
which	O
includes	O
10-bit	O
4:2:0	O
16K	O
stills	O
and	O
10-bit	O
4:2:0	O
8K	O
,	O
4K	O
and	O
2K	O
video	O
.	O
</s>
<s>
Hardware	O
encoding	O
for	O
VP8	B-Algorithm
was	O
dropped	O
and	O
hardware	O
decoding	O
is	O
only	O
available	O
on	O
Tiger	B-Device
Lake	I-Device
.	O
</s>
<s>
Intel	B-Device
Arc	I-Device
Alchemist	O
(	O
discrete	O
GPUs	O
)	O
adds	O
8K	O
10-bit	O
AV1	B-Application
hardware	O
encoding	O
.	O
</s>
<s>
The	O
Quick	B-Algorithm
Sync	I-Algorithm
Video	I-Algorithm
SIP	B-Architecture
core	I-Architecture
needs	O
to	O
be	O
supported	O
by	O
the	O
device	B-Application
driver	I-Application
.	O
</s>
<s>
The	O
device	B-Application
driver	I-Application
provides	O
one	O
or	O
more	O
interfaces	B-Application
,	O
for	O
example	O
VDPAU	B-Application
,	O
Video	B-Application
Acceleration	I-Application
API	I-Application
(	O
VA-API	B-Application
)	O
or	O
DXVA	B-General_Concept
for	O
video	B-Application
decoding	I-Application
,	O
and	O
OpenMAX	B-Application
IL	I-Application
or	O
VA	B-Application
API	I-Application
for	O
video	O
encoding	O
.	O
</s>
<s>
One	O
of	O
these	O
interfaces	B-Application
is	O
then	O
used	O
by	O
end-user	O
software	O
,	O
for	O
example	O
VLC	B-Application
media	I-Application
player	I-Application
or	O
GStreamer	B-Language
,	O
to	O
access	O
the	O
Quick	B-Algorithm
Sync	I-Algorithm
Video	I-Algorithm
hardware	O
and	O
make	O
use	O
of	O
it	O
.	O
</s>
<s>
Quick	B-Algorithm
Sync	I-Algorithm
support	O
on	O
Linux	B-Application
is	O
available	O
by	O
both	O
Intel	O
VAAPI	B-Application
Driver	O
(	O
legacy	O
,	O
pre-Broadwell	O
)	O
and	O
Intel	O
Media	O
Driver	O
(	O
Broadwell	B-General_Concept
and	O
newer	O
)	O
which	O
also	O
uses	O
VA-API	B-Application
,	O
and	O
through	O
the	O
Intel	O
Media	O
SDK	O
.	O
</s>
<s>
it	O
is	O
supported	O
by	O
Wowza	B-Application
Streaming	I-Application
Engine	I-Application
(	O
formerly	O
known	O
as	O
Wowza	B-Application
Media	I-Application
Server	I-Application
)	O
for	O
transcoding	B-Algorithm
of	O
media	O
streams	O
using	O
their	O
transcoder	B-Algorithm
add-on	O
.	O
</s>
<s>
Microsoft	O
offers	O
support	O
for	O
Quick	B-Algorithm
Sync	I-Algorithm
in	O
Windows	O
(	O
in	O
Windows	B-Application
Vista	I-Application
and	O
later	O
)	O
based	O
on	O
supporting	O
driver	B-Application
software	I-Application
from	O
Intel	O
and	O
support	O
through	O
both	O
DirectX	B-Application
as	O
well	O
as	O
WMF	O
(	O
Windows	B-Device
Media	I-Device
Foundation	I-Device
)	O
.	O
</s>
<s>
Apple	O
added	O
Quick	B-Algorithm
Sync	I-Algorithm
support	O
in	O
OS	B-Operating_System
X	I-Operating_System
Mountain	I-Operating_System
Lion	I-Operating_System
for	O
AirPlay	O
,	O
FaceTime	B-Operating_System
,	O
iTunes	B-Operating_System
,	O
Safari	B-Application
,	O
QuickTime	B-Application
X	I-Application
,	O
iMovie	B-Operating_System
,	O
Final	B-Application
Cut	I-Application
Pro	I-Application
X	I-Application
,	O
Motion	B-Operating_System
and	O
Compressor	B-Operating_System
.	O
</s>
<s>
Third	O
party	O
software	O
includes	O
Adobe	B-Operating_System
Premiere	I-Operating_System
Pro	I-Operating_System
,	O
Adobe	O
Media	O
Encoder	O
,	O
DaVinci	B-Language
Resolve	I-Language
and	O
others	O
.	O
</s>
<s>
Support	O
for	O
Quick	B-Algorithm
Sync	I-Algorithm
hardware	O
accelerated	O
decoding	O
of	O
H.264	B-Application
,	O
MPEG-2	B-Algorithm
,	O
and	O
VC-1	B-Operating_System
video	O
is	O
widely	O
available	O
.	O
</s>
<s>
One	O
common	O
way	O
to	O
gain	O
access	O
to	O
the	O
technology	O
on	O
Microsoft	O
Windows	O
is	O
by	O
use	O
of	O
the	O
free	O
ffdshow	B-Language
filter	O
.	O
</s>
<s>
Some	O
other	O
free	O
software	O
like	O
VLC	B-Application
media	I-Application
player	I-Application
(	O
since	O
version	O
2.1.0	O
"	O
Rincewind	O
"	O
)	O
supports	O
Quick	B-Algorithm
Sync	I-Algorithm
as	O
well	O
.	O
</s>
<s>
According	O
to	O
the	O
ffdshow	B-Language
documentation	O
,	O
Quick	B-Algorithm
Sync	I-Algorithm
has	O
very	O
low	O
CPU	O
utilization	O
while	O
being	O
about	O
twice	O
as	O
fast	O
as	O
libavcodec	B-Language
.	O
</s>
<s>
Support	O
for	O
hardware-assisted	O
media	O
encoding	O
tailored	O
for	O
Quick	B-Algorithm
Sync	I-Algorithm
is	O
widely	O
available	O
.	O
</s>
<s>
Examples	O
of	O
such	O
software	O
with	O
Quick	B-Algorithm
Sync	I-Algorithm
support	O
during	O
encoding	O
processes	O
are	O
,	O
Plex	B-Application
Media	I-Application
Server	I-Application
,	O
Badaboom	O
Media	O
Converter	O
,	O
CyberLink	O
MediaShow	O
,	O
CyberLink	O
MediaEspresso	O
,	O
ArcSoft	O
MediaConverter	O
,	O
MAGIX	O
Video	O
Pro	O
X	O
,	O
Pinnacle	B-Application
Studio	I-Application
(	O
since	O
version	O
18	O
)	O
,	O
Roxio	B-Operating_System
Toast	I-Operating_System
,	O
Roxio	O
Creator	O
,	O
XSplit	B-Application
Broadcaster	I-Application
,	O
XSplit	B-Application
Gamecaster	I-Application
(	O
all	O
commercial	O
)	O
and	O
projects	O
like	O
HandBrake	B-Language
,	O
Open	B-Language
Broadcaster	I-Language
Software	I-Language
or	O
applications	O
for	O
operation	O
with	O
a	O
video	O
content	O
entering	O
in	O
Adobe	O
CC2018	O
.	O
</s>
<s>
Certain	O
low-end	O
and	O
high-end	O
parts	O
(	O
including	O
multi-socket	O
Xeons	B-Device
and	O
some	O
Extreme	O
Edition	O
CPUs	O
expected	O
to	O
be	O
used	O
with	O
a	O
dedicated	O
GPU	O
)	O
do	O
not	O
contain	O
the	O
hardware	O
core	B-Architecture
to	O
support	O
Quick	B-Algorithm
Sync	I-Algorithm
.	O
</s>
