JVET VVC Test Model (VTM) Reference Software
Official overview site for Versatile Video Coding (VVC) and the VVC Test Model (VTM) reference software from the Joint Video Experts Team. Hosts VTM encoder/decoder, experimental JEM software, and Benchmark Set (BMS) tools.
Link
Related resources
- Open-Source Software Encode/Decode For H.266/VVC ProgressingPhoronix status roundup tracking maturity of the open-source VVC/H.266 ecosystem, including native FFmpeg decoder progress.
- FOSDEM 2023: VVenC & VVdeC — Open Source Video Encoding and Playback for VVCFOSDEM Open Media devroom talk by Fraunhofer HHI developers presenting the VVenC encoder and VVdeC decoder for the VVC/H.266 codec.
- FOSDEM 2024: FFmpeg VVC DecoderFOSDEM Open Media devroom talk on the native in-tree FFmpeg VVC decoder implementation (distinct from wrapping external vvdec).
- 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.
- jxs (JPEG XS reference)Reference software implementation of ISO/IEC 21122-5 (JPEG XS) including jxs_encoder binary, supports PNM/PGX/raw YUV/RGB input.
- 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.
- dav1d.wasmWASM port of the dav1d AV1 decoder, SIMD-optimized with TypeScript interfaces, aimed at production use in browsers.
- Differentiable VMAF Re-implementation on PyTorchDifferentiable PyTorch reimplementation of VMAF metric enabling gradient-based codec/RDO optimization, with companion code.
- 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.