[MPlayer-dev-eng] dvdread fix

[Reimar Döffinger]

On 17 Sep 2011, at 23:42, Alexander Roalter <alex at roalter.it> wrote:
> Doesn't fall into the dvdnav field, but is needed for playback of newest copy protection scheme employed by Paramount for their Thor DVD.
> 
> It basically uses a technique apparently targeted at player software that erroneously implements their own UDF reader, delivering a different VIDEO_TS.IFO to libdvdread than viewed in the normal file system.
> 
> The filenames in UDF are stored as follows: (I don't know what the 8 does here)
> 
> 08 56 49 44 45 4F 5F 54 53 2E 49 46 4F     VIDEO_TS.IFO
> 
> But look here, there's another video_ts.bup, but with a DIFFERENT name:
> 
> 10 01 76 01 69 01 64 01 65 01 6F 01 5F 01 74 01 73 01 2E 01 69 01 66 01 6F       v i d e o _ t s . i f o
> 
> As you can see, every character is preceeded by a 01. I reckon the 10 is somewhat of a charmap specified or whatever.
> 
> The following patch was found at
> http://ubuntuforums.org/showthread.php?p=11254706
> 
> and should go into libdvdread4.

There is a separate mailing list for dvdread development though, and it should rather be posted there.
And probably the better solution is to allow the decode function to return an error, and make it do so if it contains anything outside the ASCII range.
>