FFmpeg Bitrate Stats

Calculate bitrate statistics using FFmpeg

Link

auto-transcode-watcherPython+watchdog+FFmpeg folder watcher with file stabilization, retry queue, rename templates, and YAML config.
bitstream_based_modelsITU-T P.1203/P.1204 bitstream parser for H.264/H.265/VP9 extracting QP, motion vectors, and transform coefficient stats for quality modelin…
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.
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.
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.