xvc

xvc is a modern and flexible open-source video codec that offers high compression performance at reasonable encoding and decoding complexity. It is based on technologies from standards like AVC/H.264 and HEVC, and includes additional advancements to enhance video compression effi

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• A Comprehensive Review of Software and Hardware Energy Efficiency of Video DecodersCross-codec (AV1/HEVC/VVC/AVM/VP9) energy efficiency and compression review across software and hardware decoders.
• Cool-chic: Coordinate-based Low Complexity Hierarchical Image/Video CodecUltra-low-complexity overfitted/coordinate-based learned video codec using ~800 parameters, with companion open-source implementation.
• 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 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.
• Compression efficiency analysis of AV1, VVC, and HEVC for random access applicationsAPSIPA Transactions paper quantifying bitrate savings and encode/decode runtime ratios of AV1 vs VTM vs HM for random-access use cases.
• 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.
• nano-hevcMinimal educational HEVC encoder written in pure Python, readable-over-fast, for teaching codec internals.
• Differentiable VMAF Re-implementation on PyTorchDifferentiable PyTorch reimplementation of VMAF metric enabling gradient-based codec/RDO optimization, with companion code.
• 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.