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Description

Type
Rating
Reviews
AV1vfw allows you to encode videos into an AV1/AOM codec in any Video For Windows (vfw) compatible program.

Free software
OS: Win
File size: 2.4MB
Old versions
Version history
5/10
1 vote
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Screenshots

AV1vfw screenshot
Latest version

0.85 (October 23, 2020)



Download


Visit developer's site

Download AV1vfw 0.85 64-bit  2MB  Win64




Download old versions


Download AV1vfw old versions



Software License

Free software / FOSS (Free download and also Free and Open Source Software)



Supported operating systems

WinWindows




Version history / Release notes / Changelog / What's New


v0.85 2020.10.23.
- updated svt-av1 encoder lib to v0.8.5+ (git 20201020), improved speed, quality and stability; modified encoder options
- updated libdav1d decoder to 0.7.1
- updated compiler to MinGW-w64 10.2
- added / modified "Enable AVX512 instruction set" switch
- removed Slow 1st pass selection, because svt-av1 always uses Fast 1st pass mode (and it's not configurable)
- removed manual "Create stat file" switch (stat file is made for 1st pass execution only)
- workarounds for some svt-av1 problems (less crash)
- added temporary svt-av1 limitation (to avoid hang up): --irefresh-type is always 2 (IDR, Closed GOP)

View full changelog




All features


General infos:
- Some GUI settings have no svt-av1 support yet (encoder may rejects these), like YUV, Tuning and Profile settings
- Enabling the Debug log level to Full can display some additional svt-av1 errors and infos
- It doesn't work properly under Windows 7 (at me), only under Win10 (wrong CPU detection)
- It's very slow, even in the fastest encoding mode (full HD encoding, 4 cores, AVX2, ~5 fps)
- AVX512 support is unofficial/experimental, disable it (on the GUI) at encoding problems (crash)
- Decoder side doesn't work properly at frame to frame decoding




Sections/Browse similar tools






Guides and How to's




Acronyms / Also Known As

xav1vfw




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