share/lua/website/canalplus.lua

   1
   2 -- libquvi-scripts
   3 -- Copyright (C) 2012 Paul Kocialkowski <contact@paulk.fr>
   4 --
   5 -- This file is part of libquvi-scripts <http://quvi.googlecode.com/>.
   6 --
   7 -- This library is free software; you can redistribute it and/or
   8 -- modify it under the terms of the GNU Lesser General Public
   9 -- License as published by the Free Software Foundation; either
  10 -- version 2.1 of the License, or (at your option) any later version.
  11 --
  12 -- This library 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 GNU
  15 -- Lesser General Public License for more details.
  16 --
  17 -- You should have received a copy of the GNU Lesser General Public
  18 -- License along with this library; if not, write to the Free Software
  19 -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  20 -- 02110-1301  USA
  21
  22 local CanalPlus = {} -- Utility functions unique to to this script.
  23
  24 -- Identify the script.
  25 function ident(self)
  26     package.path = self.script_dir .. '/?.lua'
  27     local C      = require 'quvi/const'
  28     local r      = {}
  29     r.domain     = "canalplus%.fr"
  30     r.formats    = "default|best"
  31     r.categories = C.proto_rtmp
  32     local U      = require 'quvi/util'
  33     r.handles    = U.handles(self.page_url, {r.domain}, {"/pid%d",
  34                     -- presidentielle2012.canalplus.fr
  35                     "/emissions", "/candidats", "/debats",
  36                     -- canalstreet.canalplus.fr
  37                     "/musique", "/actu", "/humour", "/tendances", "/sport", "/arts", "/danse"})
  38
  39     return r
  40 end
  41
  42 -- Query available formats.
  43 function query_formats(self)
  44     local config  = CanalPlus.get_config(self)
  45     local U       = require 'quvi/util'
  46     local formats = CanalPlus.iter_formats(self, config, U)
  47
  48     local t = {}
  49     for _,v in pairs(formats) do
  50         table.insert(t, CanalPlus.to_s(v))
  51     end
  52
  53     table.sort(t)
  54     self.formats = table.concat(t, "|")
  55
  56     return self
  57 end
  58
  59 -- Parse media URL.
  60 function parse(self)
  61     self.host_id  = 'canalplus'
  62     local config  = CanalPlus.get_config(self)
  63     local U       = require 'quvi/util'
  64
  65     local formats = CanalPlus.iter_formats(self, config, U)
  66     local format  = U.choose_format(self, formats,
  67                                     CanalPlus.choose_best,
  68                                     CanalPlus.choose_default,
  69                                     CanalPlus.to_s)
  70                         or error("unable to choose format")
  71     self.url           = {format.url or error("no match: media url")}
  72
  73     return self
  74 end
  75
  76 --
  77 -- Utility functions
  78 --
  79
  80 function CanalPlus.get_config(self)
  81     local t    = {}
  82     local page = quvi.fetch(self.page_url)
  83
  84     -- canalplus.fr
  85     self.title = page:match('videoTitre%s-=%s-"(.-)"')
  86     if not self.title then
  87       -- presidentielle2012.canalplus.fr
  88       self.title = page:match('property="og:title"%s+content="(.-)"')
  89                     or error('no match: media title')
  90     end
  91
  92     self.id = page:match('videoId=(%d+)')
  93                 or page:match('videoId%s+=%s+"(%d+)"')
  94                 or error('no match: media ID')
  95
  96     local c_url =
  97       "http://service.canal-plus.com/video/rest/getVideosLiees/cplus/"
  98       .. self.id
  99
 100     t.data = quvi.fetch(c_url, {fetch_type = 'config'})
 101
 102     return t
 103 end
 104
 105 function CanalPlus.iter_formats(self, config, U)
 106     local t = {}
 107
 108     local p = '<ID>' .. self.id .. '</ID>'
 109            .. '.-<INFOS>'
 110            .. '.-<TITRAGE>'
 111            .. '.-<MEDIA>'
 112            .. '.-<IMAGES>'
 113            .. '.-<PETIT>(.-)<'
 114            .. '.-<VIDEOS>'
 115            .. '.-<BAS_DEBIT>(.-)<'
 116            .. '.-<HAUT_DEBIT>(.-)<'
 117            .. '.-<HD>(.-)<'
 118
 119     -- sd = low definition flv
 120     -- hd = high definition flv
 121     -- hq = high definition mp4
 122
 123     local thumb,sd_url,hd_url,hq_url = config.data:match(p)
 124     if not sd_url then error("no match: media url") end
 125
 126     self.thumbnail_url = thumb or ''
 127
 128     table.insert(t, {url=sd_url, quality="sd"})
 129     table.insert(t, {url=hd_url, quality="hd"})
 130     table.insert(t, {url=hq_url, quality="hq"})
 131
 132     return t
 133 end
 134
 135 function CanalPlus.choose_best(formats) -- Whatever matches 'hd' first
 136     local r
 137     for _,v in pairs(formats) do
 138         if CanalPlus.to_s(v):find('hd') then
 139             return v
 140         end
 141     end
 142     return r
 143 end
 144
 145 function CanalPlus.choose_default(formats) -- Whatever matches 'sd' first
 146     local r
 147     for _,v in pairs(formats) do
 148         if CanalPlus.to_s(v):find('sd') then
 149             return v
 150         end
 151     end
 152     return r
 153 end
 154
 155 function CanalPlus.to_s(t)
 156     return t.quality
 157 end
 158
 159 -- vim: set ts=4 sw=4 tw=72 expandtab: