Welcome to the XAVS Home!
http://xavs.sourceforge.net/
AVS is the Audio Video Standard
of China. This project aims to implement high quality AVS encoder and
decoder.
License
XAVS is open source software. All the source code is under the
GPL license.
You can use XAVS on any computer, including a computer in a commercial organization.
The Main Features of XAVS Encoder
JiZhun
Profile Encoder Features
|
8x8 transform |
|
B-frame |
|
CAVLC entropy coding |
|
Intra: all macroblock types
(8x8 with all 5 prediction modes) |
|
Inter
P: all partitions (from 16x16 down to 8x8) |
|
Inter
B: partitions from 16x16 down to 8x8 (including skip/direct) |
|
Interlacing
(PAFF) |
|
Multiple
reference frames |
|
Ratecontrol:
constant quantizer, constant quality, single or multipass ABR, optional
VBV |
|
Scenecut
detection |
|
Spatial
and temporal direct mode in B-frames, adaptive mode selection |
|
Parallel
encoding on multiple CPUs |
Mobile
Profile Encoder Features
|
8x8 transform |
|
B-frame |
|
CAVLC entropy coding |
|
Intra: all macroblock types
(8x8 with all 5 prediction modes) |
|
Inter P: all partitions (from
16x16 down to 8x8) |
|
Inter B: partitions from 16x16
down to 8x8 (including skip/direct) |
|
Interlacing (PAFF) |
|
Multiple reference frames |
|
Ratecontrol: constant
quantizer, constant quality, single or multipass ABR, optional VBV |
|
Scenecut detection |
|
Spatial and temporal direct
mode in B-frames, adaptive mode selection |
|
Parallel encoding on multiple
CPUs |
|
Adaptive
block size transform and prediction selection for Intra Frame |
|
Adaptive
block size transform selection for Inter Frame |
|
1/8
Interpolation |
|
Weighted
Quantization and user defined quantization matrix |
|
Constrained
DC |
| L Slice Support |
FAQ
1. Where can I get
the latest codes?
Currently, we do not provide the
binary package, please download the latest code with instructions in the FAQ.
https://sourceforge.net/projects/xavs/develop
svn co
https://svn.code.sf.net/p/xavs/code/trunk
xavs
2. Where can I
get help?
http://sourceforge.net/projects/xavs/forums
If you need help, you can ask help at the help section.
Or you can join the
xavs-devel@freenode channel, we can talk and discuss your questions there.
And if you have some new open idea, please post a thread on
the open discussion section.
You can also post your questions to the xavs maillist
xavs-develop@lists.sourceforge.net
xavs-develop@googlegroups.com
3. Is there any Maillist for xavs-development
If you have any questions about avs reference software and
specification,
you can send mail to the mail-list.
xavs-develop@lists.sourceforge.net.
xavs-develop@googlegroups.com
If you want to subscribe to this mail list .
General information about the mailing list is at:
https://lists.sourceforge.net/lists/listinfo/xavs-develop
If you want to be a developer of xavs project .
About the xavs project, you can create an account and join the project
http://sourceforge.net/projects/xavs
And please refer to developer guide web page for
more details.
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