share/media/videa.lua

   1 -- libquvi-scripts
   2 -- Copyright (C) 2013  Toni Gundogdu <legatvs@gmail.com>
   3 -- Copyright (C) 2011  Bastien Nocera <hadess@hadess.net>
   4 --
   5 -- This file is part of libquvi-scripts <http://quvi.sourceforge.net/>.
   6 --
   7 -- This program is free software: you can redistribute it and/or
   8 -- modify it under the terms of the GNU Affero General Public
   9 -- License as published by the Free Software Foundation, either
  10 -- version 3 of the License, or (at your option) any later version.
  11 --
  12 -- This program is distributed in the hope that it will be useful,
  13 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 -- GNU Affero General Public License for more details.
  16 --
  17 -- You should have received a copy of the GNU Affero General
  18 -- Public License along with this program.  If not, see
  19 -- <http://www.gnu.org/licenses/>.
  20 --
  21
  22 local Videa = {} -- Utility functions unique to this script
  23
  24 -- Identify the media script.
  25 function ident(qargs)
  26   Videa.normalize(qargs)
  27   return {
  28     can_parse_url = Videa.can_parse_url(qargs),
  29     domains = table.concat({'videa.hu'}, ',')
  30   }
  31 end
  32
  33 -- Parse the media properties.
  34 function parse(qargs)
  35   Videa.normalize(qargs)
  36
  37   local p = quvi.http.fetch(qargs.input_url).data
  38   local s = p:match('videok%((.-),player') or error('no match: videok')
  39
  40   local J = require 'json'
  41   local j = J.decode(s)
  42
  43   qargs.thumb_url = p:match('"og:image"%s+content="(.-)"') or ''
  44
  45   qargs.duration_ms = tonumber(j['video']['duration'] or 0) * 1000
  46
  47   qargs.title = j['video']['title'] or ''
  48
  49   qargs.id = j['vcode'] or ''
  50
  51   qargs.streams = Videa.iter_streams(j)
  52
  53   return qargs
  54 end
  55
  56 --
  57 -- Utility functions
  58 --
  59
  60 function Videa.can_parse_url(qargs)
  61   local U = require 'socket.url'
  62   local t = U.parse(qargs.input_url)
  63   if t and t.scheme and t.scheme:lower():match('^http$')
  64        and t.host   and t.host:lower():match('^videa%.hu$')
  65        and t.path   and t.path:lower():match('^/videok/.+/.+%-%w+$')
  66   then
  67     return true
  68   else
  69     return false
  70   end
  71 end
  72
  73 function Videa.normalize(qargs) -- "Normalize" an embedded URL
  74   local s = qargs.input_url:match('/flvplayer%.swf%?v=(.-)$')
  75   if s then
  76     qargs.input_url = table.concat({'http://videa.hu/videok/',s},'')
  77   end
  78 end
  79
  80 function Videa.iter_streams(j)
  81   local w = j['swf_url']:match('=(.-)&') or error('no match: f parameter')
  82   local t = {'http://videa.hu/static/video/', (w:gsub('%.%d+$',''))}
  83
  84   local S = require 'quvi/stream'
  85   local s = S.stream_new(table.concat(t,''))
  86
  87   s.video.height = tonumber(j['video']['height'] or 0)
  88   s.video.width = tonumber(j['video']['width'] or 0)
  89
  90   return {s}
  91 end
  92
  93 -- vim: set ts=2 sw=2 tw=72 expandtab: