Turn off DVD CSS authentication
Fabio FZero
fabio.fzero-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org
Mon Jun 14 13:32:51 UTC 2010
Well, I never *ever* had this problem with VLC. It just works. I gave
up on mplayer for anything but transcoding a while ago.
- FZ
On Sun, Jun 13, 2010 at 22:52, Eric Battersby <gyre-Ja3L+HSX0kI at public.gmane.org> wrote:
> How does one turn off DVD CSS authentication temporarily?
> I cannot play a non-encrypted DVD without jumping thru hoops.
>
> To me, this seems like a bug, because libdvdread should fall
> back to no CSS authentication instead of failing.
>
>
> ## THIS FAILS:
> # mount /dev/dvd /mnt/dvd
> $ mplayer dvd://2 -dvd-device /mnt/dvd
> ...
> libdvdread: Using libdvdcss version 1.2.10 for DVD access
> libdvdread: Attempting to use device /dev/scd0 mounted
> on /mnt/dvd for CSS authentication
> libdvdnav:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.IFO failed
>
>
> ## WORK AROUND: this works (but produces many warnings):
> # chmod 000 /dev/dvd
> $ mplayer dvd://2 -dvd-device /mnt/dvd
> ...
> libdvdread: Using libdvdcss version 1.2.10 for DVD access
> libdvdread: Attempting to use device /dev/scd0 mounted
> on /mnt/dvd for CSS authentication
> libdvdread: Could not open /dev/scd0 with libdvdcss.
> libdvdread: Can't open /dev/scd0 for reading
> libdvdread: Device /dev/scd0 inaccessible, CSS authentication not available.
> *** Zero check failed in libdvdread4/ifo_read.c:518
> for vmgi_mat->zero_3 = 0x00000000010000000000000000000000000000
> ...
> *** libdvdread: CHECK_VALUE failed in libdvdread4/nav_read.c:264 ***
> *** for dsi->dsi_gi.zero1 == 0 ***
> ...
> A: 0.4 V: 0.2 A-V: 0.169 ct: 0.003 2/ 2 ??% ??% ??,?% 0 0
> *** libdvdread: CHECK_VALUE failed in libdvdread4/nav_read.c:264 ***
> *** for dsi->dsi_gi.zero1 == 0 ***
>
> A: 0.9 V: 0.9 A-V: 0.017 ct: 0.066 23/ 23 19% 14% 1.5% 1 0
> *** libdvdread: CHECK_VALUE failed in libdvdread4/nav_read.c:264 ***
> *** for dsi->dsi_gi.zero1 == 0 ***
>
> A: 1.4 V: 1.4 A-V: 0.008 ct: 0.082 38/ 38 18% 8% 1.3% 1 0
> *** libdvdread: CHECK_VALUE failed in libdvdread4/nav_read.c:264 ***
> *** for dsi->dsi_gi.zero1 == 0 ***
> ...
> --
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