src/websites/bliptv.rb

   1 #
   2 # Copyright Michael Orlitzky
   3 #
   4 # http://michael.orlitzky.com/
   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 3 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 # http://www.fsf.org/licensing/licenses/gpl.html
  17 #
  18
  19 require 'src/website'
  20
  21 class Bliptv < Website
  22
  23   VALID_BLIPTV_URL_REGEX = /^(http:\/\/)?([[:alnum:]\-]+\.)?blip\.tv\/file\/(\d+)(.*)?$/
  24
  25   def self.owns_url?(url)
  26     return url =~ VALID_BLIPTV_URL_REGEX
  27   end
  28
  29
  30   def get_video_url()
  31     page_data = self.get_page_data(@url)
  32     filepath = parse_video_url(page_data)
  33
  34     return filepath
  35   end
  36
  37
  38   protected;
  39
  40
  41   def parse_video_url(page_data)
  42     # First, try to find the MOV video. The source videos are usually
  43     # encoded with MOV.
  44     video_url_regex = /"Quicktime \(\.mov\)", "attribute" : "(.*?\.mov)/i
  45     matches = video_url_regex.match(page_data)
  46
  47     if not matches.nil?
  48       return matches[1]
  49     end
  50
  51     # I've seen some free software videos encoded as OGG/Vorbis, too.
  52     video_url_regex = /"Ogg Theora\/Vorbis \(\.og[gv]\)", "attribute" : "(.*?\.og[gv])/i
  53     matches = video_url_regex.match(page_data)
  54
  55     if not matches.nil?
  56       return matches[1]
  57     end
  58
  59     # If that didn't work, try the WMV format, which is occasionally
  60     # used for the source as well.
  61     video_url_regex = /"Windows Media \(\.wmv\)", "attribute" : "(.*?\.wmv)/i
  62     matches = video_url_regex.match(page_data)
  63
  64     if not matches.nil?
  65       return matches[1]
  66     end
  67
  68
  69     # If neither of the source formats are present, just grab the
  70     # video URL from the Flash variable and be done with it.
  71     video_url_regex = /setPrimaryMediaUrl\("(.*?\.(flv|mov|wmv|mp4|og[gv]))/i
  72     matches = video_url_regex.match(page_data)
  73
  74     if matches.nil?
  75       raise StandardError.new("Couldn't parse any of the video format URLs.")
  76     end
  77
  78     return matches[1]
  79   end
  80
  81 end