Express FFmpeg

Node.js FFmpeg video transcode webui，基于Node.js的云转码系统 HTTPS://www.efvcms.com

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auto-transcode-watcherPython+watchdog+FFmpeg folder watcher with file stabilization, retry queue, rename templates, and YAML config.
VoltageFFmpeg-based encoding API supporting concurrent instances with a priority/retry job queue and webhook notifications.
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.
hevc.jsHEVC decoder in WASM transcribed directly from the H.265 spec, pixel-validated against ffmpeg on 128 streams; ships as a dash.js drop-in pl…
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.
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.
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.