Introducing SVT-AV1: a scalable open-source AV1 framework

By Andrey Norkin, Joel Sole, Kyle Swanson, Mariana Afonso, Anush Moorthy, Anne Aaron.

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rAV1atorGUI application for rav1e video encoding paired with Opus audio encoding.
NotEnoughAV1Encodes-QtLinux Qt GUI wrapping aomenc/rav1e/SVT-AV1 encoders with chunked parallel encoding support.
av1-grainRust library for parsing and generating AV1 film grain synthesis data, extracted from the rav1e encoder.
bitstream_based_modelsITU-T P.1203/P.1204 bitstream parser for H.264/H.265/VP9 extracting QP, motion vectors, and transform coefficient stats for quality modelin…
Comparing H.265/HEVC and VP9: Impact of High Frame Rates on Perceptual QualityAcademic comparison of HEVC and VP9 codecs under high frame-rate conditions, including ffmpeg/libvpx tuning parameters used.
Performance Comparison of AV1, JEM, VP9, and HEVC EncodersFraunhofer HHI SPIE 2017 paper comparing codec internals, BD-BR, and complexity across AV1, JEM, VP9, and HEVC.
FOSDEM 2024: VVdeC<>Arm — Optimizing an Open Source VVC Decoder for Arm ArchitecturesFOSDEM Open Media devroom talk detailing Arm-specific performance optimization work on the open-source VVdeC VVC decoder.
Differentiable VMAF Re-implementation on PyTorchDifferentiable PyTorch reimplementation of VMAF metric enabling gradient-based codec/RDO optimization, with companion code.
nano-hevcMinimal educational HEVC encoder written in pure Python, readable-over-fast, for teaching codec internals.
Opus (xiph/opus)Reference implementation of the Opus audio codec, recently adding deep-learning-based packet loss concealment.