[Bug 16722] Re: The user should be presented a GUI to set the region code of his brand new DVD drive when trying to read a CSS crippled DVD (When needed)

[Ekimia]

@rémi : this Gui should not be displayed if the dvd match the region of
the drive

A lot of drives don't have a region set, just because they are not
manufactured for a specific region (Barebones with keyboard added at the
last time like Clevo)

I sell a lot of Clevo that have this problem.

We need to give the user a chance to fix this, maybe this can be
triggered by libdvdnav but IMO it's the player GUI that could handle
this cleanly.

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https://bugs.launchpad.net/bugs/16722

Title:
  The user should be presented a GUI to set the region code of his brand
  new DVD drive when trying to read a CSS crippled DVD (When needed)

Status in A GTK2 GUI for MPlayer:
  New
Status in Totem Movie Player:
  New
Status in VLC media player:
  Won't Fix
Status in “libdvdread” package in Ubuntu:
  Triaged
Status in “ubiquity” package in Ubuntu:
  Incomplete

Bug description:
  Since I bought my laptop, I couldn't read dvd. I never searched for a solution -
  until today.

  This was a brand new laptop and it never booted anything else than ubuntu. The
  region code for the DVD drive was not set and it seems the drive refused to read
  DVD for this reason.

  After installing and using regionset (in universe, I think), it now works. There
  was no user friendly error but just this in the syslog:

  Buffer I/O error on device hdc, logical block 1877480
  hdc: command error: status=0x51 { DriveReady SeekComplete Error }
  hdc: command error: error=0x50
  ide: failed opcode was 100
  end_request: I/O error, dev hdc, sector 15019848

  FWIW, I'm using xine to read dvd, but I suspect it's libdvdread that should
  handle this.

  
  Addtional suggestion for a solution (from the commenters)  : 

  - When the player (totem, vlc etc..) see that even if libdvdcss is
  present the decss fails:

  -- Regionset should be installed and the region/set times last retrieved.
  -- A nice Gui is presented with the worldmap of regions ( see http://en.wikipedia.org/wiki/DVD_region_code#Region_codes_and_countries)  and the user select his region.

  -- A Big warning should be displayed saying that this can be done only
  a limited number of times.

  -- Then regionset is called.

  -- Then the playback can be restarted only if the region of the DVD
  and the drive match.

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