MKVToolNix

A set of tools to create, alter, and inspect Matroska (MKV) files. Includes mkvmerge for muxing streams into MKV and mkvinfo/mkvextract for inspecting and extracting content.

Link

• Visit resource

Related resources

• subconv — SCC (CEA-608) to WebVTT converterRuby library converting SCC (EIA-608/CEA-608) caption files to WebVTT; niche 608 conversion path.
• Whisper-WebUI — subtitle generation UIGradio UI generating subtitles from files/YouTube/mic using faster-whisper; outputs SRT/WebVTT, translation (NLLB/DeepL), Silero VAD, diari…
• video-keyframe-detectorLightweight Python CLI extracting keyframes via peak estimation on frame-difference signal, no ML dependencies.
• VQEG P.1203 Software Tools PageVideo Quality Experts Group's index of ITU-T P.1203/.1/.2 QoE model implementations (video and audio quality modules).
• SimpleVQADeep-learning no-reference video quality assessment for user-generated content, in PyTorch with SlowFast feature extraction.
• IMFTool — IMF CPL editor with IMSC subtitlesOpen-source editor for IMF (Interoperable Master Format) Composition Playlists with IMSC1 text-profile subtitle decode/render/preview.
• AutoSubSyncSubtitle auto-sync GUI wrapping ffsubsync/autosubsync/alass; can sync against a reference subtitle instead of the video.
• SceneSeg (Local-to-Global Scene Segmentation)CVPR 2020 multimodal movie scene segmentation using place and audio features on the MovieNet dataset; reference ML baseline with code.
• butteraugli (Rust port)Pure Rust port of Butteraugli from libjxl with XYB color, visual masking, and multi-scale bands, validated to within 0.001% of the referenc…
• AutoShotCVPR-NAS 2023 shot boundary detection model with a NAS-optimized architecture and the new SHOT dataset (853 videos, 11,606 annotations).