share/lua/playlist/rockbox_fm_presets.lua

   1 --[[
   2  $Id$
   3
   4  Copyright © 2009, 2016 the VideoLAN team
   5
   6  This program is free software; you can redistribute it and/or modify
   7  it under the terms of the GNU General Public License as published by
   8  the Free Software Foundation; either version 2 of the License, or
   9  (at your option) any later version.
  10
  11  This program is distributed in the hope that it will be useful,
  12  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  GNU General Public License for more details.
  15
  16  You should have received a copy of the GNU General Public License
  17  along with this program; if not, write to the Free Software
  18  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  19 --]]
  20
  21 -- Parser script from Rockbox FM radio presets
  22 -- See http://www.rockbox.org/wiki/FmPresets
  23
  24 local MRL_base = "v4l2c:///dev/radio0:tuner-frequency="
  25
  26 function probe()
  27         if not string.match( vlc.path, "%.[fF][mM][rR]$" ) then return false end
  28         local line = vlc.peek(256)
  29         local freq = tonumber(string.match( line, "^[^%d]?[^%d]?[^%d]?[^%d]?(%d+):" )) -- handle BOM
  30         return freq and freq > 80000000 and freq < 110000000
  31 end
  32
  33 function parse()
  34         local p = {}
  35         while true do
  36                 local line = vlc.readline()
  37                 if not line then break end
  38                 local freq, name = string.match( line, "(%d+):(.*)" )
  39                 if freq then
  40                         table.insert( p, { path = MRL_base..freq, name = name } )
  41                 end
  42         end
  43         return p
  44 end