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The Scalable Video Technology for AV1 (SVT-AV1 Encoder and Decoder) is an AV1-compliant encoder/decoder library core. The SVT-AV1 encoder development is a work-in-progress targeting performance levels applicable to both VOD and Live encoding / transcoding video applications. The SVT-AV1 decoder implementation is targeting future codec research activities. Command line software.

Free software
OS: Win
File size: 1MB
Version history
9.5/10
1 vote
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Screenshots

SVT-AV1 screenshot

SVT-AV1 screenshot 2
Latest version

0.8.6 (November 29, 2020)



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Download SVT-AV1 0.8.6 Windows  1MB  Win

Download SVT-AV1 0.8.6 Mac

Download SVT-AV1 0.8.7 Linux



Software License

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



Supported operating systems

WinWindows




Version history / Release notes / Changelog


[0.8.7] - 2021-05-08
Encoder

Feature optimizations: creating new mode decision / encode-decode feature levels allowing better speed / quality trade-off granularity
Preset repositioning after adopting new levels
Preset 8 achieving similar speed levels to that of x265 medium in the VOD (shot-based encoding) use-case while maintaining quality gains
New 1-pass and 2-pass VBR implementation ported from libaom and adapted to the SVT architecture - still a WIP
Cleaned up old VBR and CVBR RC code along with the lookahead mechanism associated with them
Improvements for TPL algorithm to handle long clips and easy content
Added HDR support and color primaries SEI signaling (off by default until integrated with ffmpeg)
Memory optimizations, cleaning up data structures to reduce memory usage up to 2x memory reduction in multi-threaded VBR environment
Additional AVX2 and AVX512 optimizations
Cleaned up unused command line parameters except the config params that are linked to ffmpeg
Update user guide and documentation

Build and Testing

Bug fixes
Improve CI coverage
Improve Unit Test Coverage
Address C vs asm mismatches
Fix static analysis warnings / errors

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1 reviews, Showing 1 to 1 reviews


Rating by VincAlastor on Dec 31, 2020 Version: 0.8.6 OS: Windows 10 64-bit Ease of use: 10/10 Functionality: 8/10 Value for money: 10/10 Overall: 10/10


1 reviews, Showing 1 to 1 reviews

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