Hachoir metadata can extract metadata from
archives (bzip2, gzip, zip, tar), audio (MPEG
audio/MP3, WAV, Sun/NeXT audio, Ogg/Vorbis, MIDI,
AIFF, AIFC, Real Audio), images (BMP, CUR, EMF,
ICO, GIF, JPEG, PCX, PNG, TGA, TIFF, WMF, XCF),
and video (ASF/WMV, AVI, Matroska, Quicktime,
Ogg/Theora, Real Media). It supports invalid or
truncated files and Unicode text. It can remove
duplicate values. It can also filter metadata
according to priority.
