Class: Cherrypicker::Youtube

Inherits:
Object
  • Object
show all
Defined in:
lib/cherrypicker/plugins/youtube.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(link, opts = {}) ⇒ Youtube

Returns a new instance of Youtube.



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# File 'lib/cherrypicker/plugins/youtube.rb', line 9

def initialize(link, opts={})

  o = {
    :location => nil,
  }.merge(opts)

  @link         = link
  @filename     = ""
  @location     = o[:location]
  @download_url = ""

video_id = @link[/v[\/=](.*)/,1]
  video_info = Cherrypicker::remote_query("http://www.youtube.com/get_video_info?video_id=#{video_id}").body

#converting the huge infostring into a hash. simply by splitting it at the & and then splitting it into key and value arround the =
#credit https://github.com/rb2k/viddl-rb/blob/master/plugins/youtube.rb
video_info_hash = Hash[*video_info.split("&").collect { |v| 
    key, value = v.split "="
    value = CGI::unescape(value) if value
    if key =~ /_map/
      value = value.split(",")
      value = if key == "fmt_map"
          Hash[*value.collect{ |v| 
            k2, *v2 = v.split("/")
            [k2, v2]
          }.flatten(1)]
        elsif key == "fmt_url_map" || key == "fmt_stream_map"
          Hash[*value.collect { |v| v.split("|")}.flatten]
      end
    end
	[key, value]
}.flatten]

#Standard = 34 <- flv
#Medium = 18 <- mp4
#High = 35 <- flv
#720p = 22 <- mp4
#1080p = 37 <- mp4
#mobile = 17 <- 3gp
# --> 37 > 22 > 35 > 18 > 34 > 17
formats = video_info_hash["fmt_map"].keys

format_ext = {}
format_ext["37"] = ["mp4", "MP4 Highest Quality 1920x1080"]
format_ext["22"] = ["mp4", "MP4 1280x720"]
format_ext["35"] = ["flv", "FLV 854x480"]
format_ext["34"] = ["flv", "FLV 640x360"]
format_ext["18"] = ["mp4", "MP4 480x270"]
format_ext["17"] = ["3gp", "3gp"]
format_ext["5"] = ["flv", "old default?"]

  download_url = video_info_hash["fmt_url_map"][formats.first]
@filename = video_info_hash["title"].delete("\"'").gsub(/[^0-9A-Za-z]/, '_') + "." + format_ext[formats.first].first

#there might be a redirect let check
reply = Cherrypicker::remote_query("#{download_url}")
if reply.response['location']
  @download_url = reply.response['location']
else
  @download_url = download_url
end
end

Instance Attribute Details

#download_url ⇒ Object

Returns the value of attribute download_url.



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# File 'lib/cherrypicker/plugins/youtube.rb', line 7

def download_url
  @download_url
end

#filename ⇒ Object

Returns the value of attribute filename.



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# File 'lib/cherrypicker/plugins/youtube.rb', line 7

def filename
  @filename
end

#link ⇒ Object

Returns the value of attribute link.



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# File 'lib/cherrypicker/plugins/youtube.rb', line 7

def link
  @link
end

#location ⇒ Object

Returns the value of attribute location.



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# File 'lib/cherrypicker/plugins/youtube.rb', line 7

def location
  @location
end

Instance Method Details

#download ⇒ Object 



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# File 'lib/cherrypicker/plugins/youtube.rb', line 72

def download
  Cherrypicker::download_file(@download_url, :location => @location, :filename  => @filename)
end