[MPlayer-users] No CSS keys if VOB file name specified ????

Alexander Roalter alex at roalter.it
Thu Jun 5 14:04:25 CEST 2014

Am 01.06.2014 18:37, schrieb Sean Darcy:
> On 05/31/2014 09:17 AM, Reimar Döffinger wrote:
>> On Fri, May 30, 2014 at 02:54:27PM -0400, Sean Darcy wrote:
>>> I'm trying to convert vob's to mpg's.
>>> When I use dvd://1 libdvdread gets the CSS keys:
>> [...]
>>> But I don't want all of track 1, but if specify a VOB, it doesn't get the
>>> key:
>> The VOB is just a MPEG-PS file, MEncoder can't know it is encrypted.
>> Even if it know that, dvdcss does not support decrypting plain files (it
>> isn't really intended to work that way from the DVD specification side
>> anyway).
>> If you want to copy only parts, consider using -chapters, -endpos etc.
>> options.
>> If you want to decrypt just the vob, use tools designed for the purpose
>> like e.g. vobcopy.
>> Remuxing with mencoder just to remove the CSS protection isn't a good
>> idea, it needlessly risks breaking things (e.g. since you don't use -noskip
>> your commands will often result in broken video).
> Thanks for the response. I've got vobcopy. I work with that.
> sean
I usually use

mplayer dvd://1 -dumpstream -dumpfile file.vob

Which does the decrypting and gives me the decrypted VOB (which, as 
Reimar already mentioned), a MPEG-PS file.


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