Opened 9 years ago
Closed 9 years ago
#4476 closed enhancement (invalid)
Update libvpx to version 1.4.0
| Reported by: | VP8m8 | Owned by: | |
|---|---|---|---|
| Priority: | normal | Component: | avcodec |
| Version: | git-master | Keywords: | libvpx vp9 |
| Cc: | Blocked By: | ||
| Blocking: | Reproduced by developer: | no | |
| Analyzed by developer: | no |
Description
Currently libvpx 1.3.0 is implemented in ffmpeg. Version 1.4.0 of libvpx was released and should now be implemented into ffmpeg. The new version has significant improvements to VP9:
- Fixes a VP9 bitstream issue in Profile 1. This only affects non-YUV 4:2:0 files.
- Significant algorithmic improvements to VP9 encoding, support for YUV 4:2:2 and 4:4:4 colorspaces as well as high bit depth (10 and 12 bit).
- More functions are now optimized for VP9 encoding and decoding.
- VP9 encodes are faster with multithreaded encoding on by default.
- VP9 decoder now has two multithreaded modes: tile based and frame based. The encoder now enables these by default to help ensure your encoded content will be able to take advantage of these modes.
- 64bit support for ARM thanks to intrinsics instead of ARM assembly.
The new version announcement along with the download link can be found here (bullets copied from here).
https://groups.google.com/a/webmproject.org/forum/#!topic/codec-devel/2zYWenmdUM8
Note:
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ffmpeg already supports any libvpx version from 1.2.0 onwards.
Simply compile ffmpeg with whichever version of libvpx you need installed in a place where the compiler can link to it.