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Date:      Sun, 10 Apr 2016 21:50:07 +0200
From:      Bernt Hansson <bah@bananmonarki.se>
To:        freebsd-questions@freebsd.org
Subject:   Re: Failure to read a Bluray disk with 'dvdbackup' command
Message-ID:  <570AAE6F.7050305@bananmonarki.se>
In-Reply-To: <570AA86C.5010705@gmail.com>
References:  <5702C29A.5050208@rawbw.com> <20160410151811.4bf577c9@fabiankeil.de> <570AA86C.5010705@gmail.com>

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On 2016-04-10 21:24, jd1008 wrote:
>
>
> On 04/10/2016 07:18 AM, Fabian Keil wrote:
>> Yuri <yuri@rawbw.com> wrote:
>>
>>> My attempts to backup a Bluray disk with this command fail:
>>>
>>> # dvdbackup -M
>>> libdvdread:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.IFO failed
>>> libdvdread:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.BUP failed
>>> libdvdread: Can't open file VIDEO_TS.BUP.
>>> Cannot open Video Manager (VMG) info.
>>> Mirror of DVD failed
>> Like the name indicates, dvdbackup is for DVDs. Blurays aren't DVDs.
>>
>> Fabian
> 1.  The encryption scheme in BD is different to that of DVD
> 2.  OpenSource has yet to produce tools and libs to read/write BD's
> 3.  Eve if you back up using dd, read of BD media will fail.
Videolan have some info.

http://www.videolan.org/developers/libbluray.html



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