FFmpeg Wiki: H.265 (HEVC) Encoding Guide

An FFmpeg Wiki guide for encoding video to H.265/HEVC. It describes how to use x265 via FFmpeg, including tuning parameters, bitrate vs quality (CRF), and preset trade-offs.

Link

• Visit resource

Related resources

• 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.
• VidaptiveDecouples video encoding from transport, pacing frames at congestion-control rate and dynamically retargeting encoder bitrate to CCA capaci…
• VoltageFFmpeg-based encoding API supporting concurrent instances with a priority/retry job queue and webhook notifications.
• Evaluation of NVENC Split-Frame Encoding (SFE) for UHD Video TranscodingAcademic evaluation of NVENC's split-frame encoding feature for UHD video transcoding throughput and quality.
• Evolution of NVENC Efficiency: Pascal to BlackwellLongitudinal academic analysis of NVENC hardware-encoder efficiency across GPU generations, including new UHQ tuning mode.
• 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.
• nano-hevcMinimal educational HEVC encoder written in pure Python, readable-over-fast, for teaching codec internals.
• 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.
• 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.