Vuio Media Info

A high-performance, pure Rust rewrite of MediaInfoLib.

Provides technical and tag information about video and audio files with memory safety, zero-copy bitstream parsing, and multithreaded batch processing.

Crossplatform GUI & CLI

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Key Features

• Exhaustive Container & Demuxer Support:
  • ISOBMFF / MP4 / QuickTime (.mp4, .mov, .m4v, .m4a, .m4b, .qt) — full atom tree decoding (moov, trak, mdia, stbl, stsd, esds, pasp, clap, colr, dvcC, dvvC, hvcC, avcC, av1C, vp09, alac).
  • Matroska / WebM (.mkv, .mka, .mks, .mk3d, .webm) — EBML parser, track headers, attachments & cover art, chapters, cue points.
  • RIFF (.avi, .wav, .wave, .bwf, .rf64) — LIST/movi, avih, strh, strf, fmt , bext, INFO tags.
  • MPEG Transport Stream (.ts, .m2ts, .mts, .m2t) — PAT/PMT packet demuxing, PES payload parsing.
  • MPEG Program Stream / VOB (.mpg, .mpeg, .vob, .evob) — Pack and packet headers.
  • Ogg (.ogg, .ogv, .oga, .ogx, .opus, .spx) — Ogg pages, bitstream demuxing, Vorbis comments, OpusHead.
  • MXF (.mxf) — Material eXchange Format KLV BER length parsing and descriptor reading.
  • ASF / WMV / WMA (.asf, .wmv, .wma) — Advanced Systems Format header object parsing.
  • Flash Video (.flv, .f4v) — Video, audio, and metadata tag demuxing.
  • Audiophile & Lossless Containers: CAF (.caf), DSF / DSDIFF (.dsf, .dff), APE (.ape), WavPack (.wv, .wvc), AIFF (.aif, .aiff, .aifc), TrueAudio (.tta), AMR (.amr, .awb), IVF (.ivf), Y4M (.y4m).
• Deep Video Bitstream Inspection:
  • H.264 / AVC: Full SPS/VUI parsing (Profile, Level, SAR/PAR, chroma format, bit depth, frame rate, colorimetry, cropping).
  • H.265 / HEVC: Profile Tier Level (Main, Main 10, Main 12, Rext), VUI, SMPTE ST 2086 HDR10 mastering display, MaxCLL/MaxFALL.
  • Dolby Vision: Complete RPU (Reference Processing Unit) metadata decoding (Profiles 4, 5, 7, 8, 9, levels, BL+EL+RPU, DM version).
  • AV1: Sequence Header OBU parsing (Profile 0/1/2, color primaries, transfer characteristics, matrix, full/limited range, bit depth).
  • VP9 & VP8: Frame header & color space parsing, profile 0/1/2/3, chroma subsampling.
  • Apple ProRes: Frame header & container atoms (apcn, apch, apcs, apco, ap4h, ap4x), colorimetry.
  • VVC (H.266): SPS parsing (Versatile Video Coding).
  • GoPro CineForm (SMPTE ST 2073): Sample header decompression and resolution decoding.
  • MPEG-1/2 Video: Sequence header and extension parsing.
• Deep Audio Bitstream Inspection:
  • AAC: ADTS frames and ISO AudioSpecificConfig (AAC-LC, HE-AAC v1/v2, SBR, PS, LD/ELD, 960/1024 frame lengths).
  • Dolby Digital / Plus: AC-3 and E-AC-3 frame synchronization, Dialog Normalization, Joint Object Coding (Dolby Atmos spatial audio).
  • Dolby TrueHD: MLP / TrueHD major and minor sync frames, Dolby Atmos object streams.
  • Dolby AC-4: Next-gen AC-4 TOC headers, bitstream presentations, immersive audio.
  • DTS / DTS-HD / DTS:X: Core stream, Extension Substream (Master Audio, High Resolution), Channel Mask.
  • FLAC: STREAMINFO metadata block (sample rates, bit depths, MD5 checksum).
  • Apple Lossless (ALAC): Apple Lossless Audio Codec alac atom header parsing.
  • MPEG Audio: MP1 / MP2 / MP3 layer detection, Xing / Info / VBRI VBR headers, LAME tags.
  • Opus: OpusHead packets, channel mapping families, pre-skip.
  • MPEG-H 3D Audio: MHAS / 3D spatial stream header parsing.
  • AMR / AMR-WB: Narrowband and Wideband frame inspection.
  • PCM / LPCM: Uncompressed linear PCM formats (Big/Little Endian, integer, floating point).
• Subtitle & Text Stream Engine:
  • SRT (SubRip), SSA / ASS (Advanced SubStation Alpha), WebVTT, PGS (SUP), VobSub (IDX/SUB), DVB Subtitles, EIA-608 / EIA-708 Closed Captions.
• Rich Metadata & Tag Extraction:
  • ID3v1, ID3v2.2, ID3v2.3, ID3v2.4 (synchsafe integers, UTF-8/UTF-16 text, APIC cover art extraction).
  • Vorbis Comments (FLAC, Ogg, Opus).
  • Apple / iTunes ilst atoms & cover art.
  • EXIF / TIFF tags & Adobe XMP metadata.
  • APEv1 & APEv2 tags.
• Multi-Format Export & Diff Engine:
  • Classic aligned 2-column MediaInfo text.
  • Standard MediaInfo JSON schema ({"media": {"track": [...]}}).
  • MediaInfo 2.0 XML schema.
  • CSV batch export.
  • Standalone styled HTML reports.
  • Built-in differential comparison engine (vuio_media_info::compare).
• Ergonomic Single-Crate Rust API & CLI:
  • Clean, stabilized library API published as a single crate (vuio-media-info).
  • Fast CLI tool with recursive directory scanning, filter queries, and color output.

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CLI Usage

Basic Inspection (Classic Text)

vuio-media-info movie.mkv

JSON Output

vuio-media-info -O json movie.mp4

XML Output

vuio-media-info -O xml sample.m2ts

CSV Batch Summary

vuio-media-info -O csv -r /path/to/media/library/ > library_report.csv

Standalone HTML Report

vuio-media-info -O html video.mkv > report.html

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License

MIT or Apache 2.0

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Attribution

Part of this work is based on MediaInfoLib See NOTICE