Welcome to the XAVS Home! (original) (raw)
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?
3. Is there any Maillist for xavs-development