| Ausführliche Beschreibung | hachoir-metadata extracts metadata from multimedia files: music, picture,
video, but also archives. It supports most common file formats:
* Archives: bzip2, gzip, zip, tar
* Audio: MPEG audio ("MP3"), WAV, Sun/NeXT audio, Ogg/Vorbis (OGG), MIDI,
AIFF, AIFC, Real audio (RA)
* Image: BMP, CUR, EMF, ICO, GIF, JPEG, PCX, PNG, TGA, TIFF, WMF, XCF
* Video: ASF format (WMV video), AVI, Matroska (MKV), Quicktime (MOV),
Ogg/Theora, Real media (RM)
.
It tries to give the more information as possible. For some file formats,
it gives really more information then libextractor for example. RIFF parser
is really good for example, it can extract creation date, software used to
generate the file, etc. But hachoir-metadata can not guess information. The
most complex operation is just to compute duration of a music using frame size
and file size.
.
hachoir-metadata has three modes:
* classic mode: extract metadata, you can use --level=LEVEL to limit quantity
of information to display (and not to extract)
* --type: show on one line the file format and most important information
* --mime: just display file MIME type
.
The command 'hachoir-metadata --mime' works like 'file --mime',
and 'hachoir-metadata --type' like 'file'. But today file command supports
more file formats then hachoir-metadata.
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