Crate metadata 

Per-file metadata: EXIF, audio tags, PDF, DOCX, video (ffprobe).

Structs

AudioMeta

DocxMeta

ExifMeta

FfprobeOptions

Wall-clock limit for ffprobe (corrupted files may hang indefinitely without this).

PdfMeta

VideoMeta

Functions

read_audio_tags

read_docx_core

Read docProps/core.xml from a DOCX (ZIP) package.

read_exif

Best-effort EXIF extraction.

read_pdf_info

read_video_ffprobe

Run ffprobe subprocess, parse JSON stdout, apply hard timeout.