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
  46     if #self.redirect_url >0 then
  47         return self
  48     end
  49
  50     local U       = require 'quvi/util'
  51     local formats = CanalPlus.iter_formats(self, config, U)
  52
  53     local t = {}
  54     for _,v in pairs(formats) do
  55         table.insert(t, CanalPlus.to_s(v))
  56     end
  57
  58     table.sort(t)
  59     self.formats = table.concat(t, "|")
  60
  61     return self
  62 end
  63
  64 -- Parse media URL.
  65 function parse(self)
  66     self.host_id  = 'canalplus'
  67
  68     local config  = CanalPlus.get_config(self)
  69
  70     if #self.redirect_url >0 then
  71         return self
  72     end
  73
  74     local U       = require 'quvi/util'
  75     local formats = CanalPlus.iter_formats(self, config, U)
  76     local format  = U.choose_format(self, formats,
  77                                     CanalPlus.choose_best,
  78                                     CanalPlus.choose_default,
  79                                     CanalPlus.to_s)
  80                         or error("unable to choose format")
  81     self.url           = {format.url or error("no match: media url")}
  82
  83     return self
  84 end
  85
  86 --
  87 -- Utility functions
  88 --
  89
  90 function CanalPlus.get_config(self)
  91     local t    = {}
  92     local page = quvi.fetch(self.page_url)
  93
  94     local u = page:match('"og:video" content="(.-)"')
  95     if u and not u:match('canalplus%.fr') then
  96         self.redirect_url = u -- Media is hosted elsewhere, e.g. YouTube.
  97         return
  98     end
  99
 100     -- canalplus.fr
 101     self.title = page:match('videoTitre%s-=%s-"(.-)"')
 102     if not self.title then
 103       -- presidentielle2012.canalplus.fr
 104       self.title = page:match('property="og:title"%s+content="(.-)"')
 105                     or error('no match: media title')
 106     end
 107
 108     self.id = page:match('videoId=(%d+)')
 109                 or page:match('videoId%s+=%s+"(%d+)"')
 110                 or error('no match: media ID')
 111
 112     local c_url =
 113       "http://service.canal-plus.com/video/rest/getVideosLiees/cplus/"
 114       .. self.id
 115
 116     t.data = quvi.fetch(c_url, {fetch_type = 'config'})
 117
 118     return t
 119 end
 120
 121 function CanalPlus.iter_formats(self, config, U)
 122     local t = {}
 123
 124     local p = '<ID>' .. self.id .. '</ID>'
 125            .. '.-<INFOS>'
 126            .. '.-<TITRAGE>'
 127            .. '.-<MEDIA>'
 128            .. '.-<IMAGES>'
 129            .. '.-<PETIT>(.-)<'
 130            .. '.-<VIDEOS>'
 131            .. '.-<BAS_DEBIT>(.-)<'
 132            .. '.-<HAUT_DEBIT>(.-)<'
 133            .. '.-<HD>(.-)<'
 134
 135     -- sd = low definition flv
 136     -- hd = high definition flv
 137     -- hq = high definition mp4
 138
 139     local thumb,sd_url,hd_url,hq_url = config.data:match(p)
 140     if not sd_url then error("no match: media url") end
 141
 142     self.thumbnail_url = thumb or ''
 143
 144     table.insert(t, {url=sd_url, quality="sd"})
 145     table.insert(t, {url=hd_url, quality="hd"})
 146     table.insert(t, {url=hq_url, quality="hq"})
 147
 148     return t
 149 end
 150
 151 function CanalPlus.choose_default(t)
 152     return t[1] -- Presume the first to be the 'default'.
 153 end
 154
 155 function CanalPlus.choose_best(t)
 156     return t[#t] -- Presume the last to be the 'best'.
 157 end
 158
 159 function CanalPlus.to_s(t)
 160     return t.quality
 161 end
 162
 163 -- vim: set ts=4 sw=4 tw=72 expandtab: