4 Copyright © 2007-2011 the VideoLAN team
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 2 of the License, or
9 (at your option) any later version.
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.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21 -- Helper function to get a parameter's value in a URL
22 function get_url_param( url, name )
23 local _, _, res = string.find( url, "[&?]"..name.."=([^&]*)" )
27 function get_arturl( path, video_id )
28 if string.match( vlc.path, "iurl=" ) then
29 return vlc.strings( get_url_param( vlc.path, "iurl" ) )
32 return "http://img.youtube.com/vi/"..video_id.."/default.jpg"
38 if vlc.access ~= "http" and vlc.access ~= "https" then
41 youtube_site = string.match( string.sub( vlc.path, 1, 8 ), "youtube" )
42 if not youtube_site then
43 -- FIXME we should be using a builtin list of known youtube websites
44 -- like "fr.youtube.com", "uk.youtube.com" etc..
45 youtube_site = string.find( vlc.path, ".youtube.com" )
46 if youtube_site == nil then
50 return ( string.match( vlc.path, "watch%?v=" ) -- the html page
51 or string.match( vlc.path, "watch_fullscreen%?video_id=" ) -- the fullscreen page
52 or string.match( vlc.path, "p.swf" ) -- the (old?) player url
53 or string.match( vlc.path, "jp.swf" ) -- the (new?) player url (as of 24/08/2007)
54 or string.match( vlc.path, "player2.swf" ) ) -- another player url
59 if string.match( vlc.path, "watch%?v=" )
60 then -- This is the HTML page's URL
61 -- fmt is the format of the video
62 -- (cf. http://en.wikipedia.org/wiki/YouTube#Quality_and_codecs)
63 fmt = get_url_param( vlc.path, "fmt" )
65 -- Try to find the video's title
67 if not line then break end
68 if string.match( line, "<meta name=\"title\"" ) then
69 _,_,name = string.find( line, "content=\"(.-)\"" )
70 name = vlc.strings.resolve_xml_special_chars( name )
71 name = vlc.strings.resolve_xml_special_chars( name )
73 if string.match( line, "<meta name=\"description\"" ) then
74 -- Don't ask me why they double encode ...
75 _,_,description = string.find( line, "content=\"(.-)\"" )
76 description = vlc.strings.resolve_xml_special_chars( description )
77 description = vlc.strings.resolve_xml_special_chars( description )
79 if string.match( line, "<meta property=\"og:image\"" ) then
80 _,_,arturl = string.find( line, "content=\"(.-)\"" )
82 if string.match( line, " rel=\"author\"" ) then
83 _,_,artist = string.find( line, "href=\"/user/([^\"]*)\"" )
85 -- JSON parameters, also formerly known as "swfConfig",
86 -- "SWF_ARGS", "swfArgs" ...
87 if string.match( line, "PLAYER_CONFIG" ) then
88 url_map = string.match( line, "\"url_encoded_fmt_stream_map\": \"(.-)\"" )
90 -- FIXME: do this properly
91 url_map = string.gsub( url_map, "\\u0026", "&" )
92 for url,itag in string.gmatch( url_map, "url=([^&,]+).-&itag=(%d+)" ) do
93 -- Apparently formats are listed in quality order,
94 -- so we can afford to simply take the first one
95 if not fmt or tonumber( itag ) == tonumber( fmt ) then
96 url = vlc.strings.decode_uri( url )
102 -- There is also another version of the parameters, encoded
103 -- differently, as an HTML attribute of an <object> or <embed>
104 -- tag; but we don't need it now
109 video_id = get_url_param( vlc.path, "v" )
110 arturl = get_arturl( vlc.path, video_id )
114 vlc.msg.err( "Couldn't extract youtube video URL, please check for updates to this script" )
117 return { { path = path; name = name; description = description; artist = artist; arturl = arturl } }
118 else -- This is the flash player's URL
119 if string.match( vlc.path, "title=" ) then
120 name = vlc.strings.decode_uri(get_url_param( vlc.path, "title" ))
122 video_id = get_url_param( vlc.path, "video_id" )
123 arturl = get_arturl( vlc.path, video_id )
124 fmt = get_url_param( vlc.path, "fmt" )
126 format = "&fmt=" .. fmt
130 if not string.match( vlc.path, "t=" ) then
131 -- This sucks, we're missing "t" which is now mandatory. Let's
132 -- try using another url
133 return { { path = "http://www.youtube.com/v/"..video_id; name = name; arturl = arturl } }
135 return { { path = "http://www.youtube.com/get_video.php?video_id="..video_id.."&t="..get_url_param( vlc.path, "t" )..format; name = name; arturl = arturl } }