multicoreware / x265 / wiki / Home — Bitbucket

Description

Documentation and development wiki for x265, an open-source H.265/HEVC video encoder project hosted on Bitbucket.

URL

• Visit resource

Related resources

• xin26xFrom-scratch HEVC/H.26x encoder written in plain C, claims 4x speed vs x265 single-core.
• 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.
• OpenDCVCs: Reproducible PyTorch Reimplementation of the DCVC Codec SeriesIndependent open reimplementation with training+eval code of the whole Microsoft DCVC learned video codec family (prior official releases w…
• 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.
• RefractGuided AVIF/JPEG XL/WebP conversion tool using an iterative quality-search ("optometrist") approach.
• AV1 Encoding with libsvtav1 on QencodeThe libsvtav1 encoder (SVT-AV1) is an AV1 implementation tuned for both compression efficiency and parallel performance. This guide covers…
• nano-hevcMinimal educational HEVC encoder written in pure Python, readable-over-fast, for teaching codec internals.
• 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.
• 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.
• 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.