[MPlayer-users] system-wide libdvdcss?

Alexander Roalter roalter at cs.tum.edu
Mon Apr 3 19:53:59 CEST 2006

William Norfleet wrote:
> On Mon, 2006-04-03 at 11:35 -0400, Rashkae wrote:
>> On Mon, Apr 03, 2006 at 02:08:30PM +0100, Raphael wrote:
>>> Alexander Roalter wrote:
>>>> Rashkae wrote:
>>>>> On Mon, Apr 03, 2006 at 10:20:52AM +0200, Alexander Roalter wrote:
>>>>>> RC wrote:
>>>>>>> On Sun, 02 Apr 2006 22:11:52 -0400
>>>>>>> William Norfleet <williamnorfleet2000 at yahoo.com> wrote:
>>>>>>>> Encrypted VOB file! Read DOCS/HTML/en/cd-dvd.html.
>>>>>>> Yes, quite possibly a bug in libdvdcss/libdvdread.  Obviously, there's
>>>>>>> one good way for you to find out...
>>>>>> Although it looks like a decryption problem, with Sony DVDs you 
>>>>>> might also encounter their other copy protection mechanism, more and 
>>>>>> more to be found on newer Sony DVDs. OGLE handles them correctly, 
>>>>>> but mplayer doesnt. Ogle also uses system-wide dvdcss, but also 
>>>>>> information from dvdnav (IIRC), an I think this should also go into 
>>>>>> mplayer (not the navigation itself, but the ability to play one 
>>>>>> title according to the cell commands)
>>>>> Can Ogle extract the video stream from a dvd, like mplayer -dumpstream?
>>>> Not to my knowledge, unfortunately (although I only played a bit with 
>>>> it to see if the DVDs were played correctly) it always uses the 
>>>> DVDnavigation mode, so I'm not sure how to get it to play title 1 or 
>>>> so..., and I'm also more at a loss as how to dump the stream.
>>>> The situation gets worse and worse every DVD. With the 3 missing 
>>>> Seinfeld Seasons I'm absolutely sure they'll have this CP, and other 
>>>> DVDs from Sony also have these (last I found was Layer Cake, 
>>>> unfortunately nowhere mentioned on the cover/backcover).
>>> Although I understand this is no consolation to linux users there are 
>>> numerous windows tools for playing DVDs with all kinds of protection. 
>> Xine also has no trouble with these. Alas, xine disables the stream saving feature for DVD's.. (how code like this gets into an Open source project without triggering a fork is beyond me.)
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> That's my experience, too:  Xine can play these DVDs using
> libdvdcss2-1.2.9-1.i386.rpm (the latest version I can find), but not
> with an earlier version (libdvdcss-1.2.8-2.network.i386.rpm, I think).
> What options should be utilized with ./configure to get MPlayer to use
> the system-wide libdvdcss rather than the version included with the
> MPlayer source?  A careful reading of ./configure --help did not reveal
> an obvious approach, nor did a search of the archives of this list.  An
> old Google hit describes the use of "--with-csslibdir=DIR",
> but ./configure execution halts with:
> Unknown parameter: --with-csslibdir=/usr/lib/
> /usr/lib/ seems to be where my system-wide libdvdcss is:
> [bill at desk main]$ ls /usr/lib/*css*
> /usr/lib/libdvdcss.so.2      /usr/lib/lib-org-w3c-dom-css-2.4.1.so
> /usr/lib/libdvdcss.so.2.0.8  /usr/lib/lib-org-w3c-dom-css.so
> [bill at desk main]$
> [bill at desk mplayer]$ rpm -qp --filesbypkg libdvdcss2-1.2.9-1.i386.rpm
> libdvdcss2                /usr/lib/libdvdcss.so.2
> libdvdcss2                /usr/lib/libdvdcss.so.2.0.8
> libdvdcss2                /usr/share/doc/libdvdcss2-1.2.9
> libdvdcss2                /usr/share/doc/libdvdcss2-1.2.9/AUTHORS
> libdvdcss2                /usr/share/doc/libdvdcss2-1.2.9/COPYING
> libdvdcss2                /usr/share/doc/libdvdcss2-1.2.9/NEWS
> [bill at desk mplayer]$
> So:  Has "--with-csslibdir=DIR" been deprecated?  Or am using the wrong
> path to libdvdcss?  Or should I be using some other ./configure options?

Using only the current dvdcss lib does not solve the problem (afaik, I 
have to verify this), but the usage of DVDnav should. Not DVD menus per 
se, but the correct implementation of the DVD VM, following all Cell 
Commands, which is very loosely implemented in current mplayer and 
therefore falls in the pits the copy protection creates. I'll try the 
patch mentioned before on mplayer to see if it bears any luck later this 


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