User:Fleetwood

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Revision as of 23:48, 28 December 2013 by Fleetwood (talk | contribs) (I forgot xorriso!)
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libCDio from GNU

offers (at least one) tool that can query (report) stats status state of optical media (CD-Rs, DVD+Rs)

libcdio-utils: sample applications based on the CDIO libraries

    This package contains a collection of small libcdio-based tools:
     * cd-drive show CD-ROM drive characteristics
     * cd-info show information about a CD or CD-image
     * cd-paranoia an audio CD ripper
     * cd-read read information from a CD or CD-image
     * cdda-player a simple curses-based audio CD player
     * iso-info show information about an ISO 9660 image
     * iso-read read portions of an ISO 9660 image
     * mmc-tool issue low-level commands to a CD drive

source

which, in turn [1]


cd-info may need --dvd switch for DVD R media, of course. (never cd-rs, I assume)


others include

cdrwtool -d -i

dvd+rw-mediainfo

cdrecord ... -minfo , -msinfo , -toc switches (and maybe -atip)

cdrdao disk-info and cdrdao msinfo


xorriso

xorriso -devices

xorriso -indev /dev/sr0 -pvd_info

"pvd" stands for Primary Volume Descriptor, which reports information (metadata) about the ISO 9660 filesystem volume (contents of the data track). (the beginning/top thereof)

xorriso -indev /dev/sr0 -toc

"toc" is Table of Contents, which is overhead for teh disc, as a whole, (equivalent to a partition table) -- point: information (data) about the sessions (and tracks) on the disc.