Transcode Web Video

Quickly transcode a source video to MP4, OGV, and WebM, with scale, bitrate, and screengrab options.

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mse_fmp4Rust library generating fragmented MP4 segments suitable for Media Source Extensions (MSE) playback.
drm-video-processingStep-by-step scripts using FFmpeg and Shaka Packager to encrypt/decrypt video with multi-DRM (Widevine/PlayReady/FairPlay), producing CMAF…
mp4ePure Rust MP4 muxer producing fragmented MP4 output for H.264/H.265/AAC/Opus, suited for DASH/HLS packaging pipelines.
auto-transcode-watcherPython+watchdog+FFmpeg folder watcher with file stabilization, retry queue, rename templates, and YAML config.
DeepGameReal-time content-adaptive encoding for cloud gaming using spatiotemporal DNN to weight regions by player gaze/interest, cutting bandwidth…
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.
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.