-- libquvi-scripts v0.9.20131130
-- Copyright (C) 2011,2013 Toni Gundogdu <legatvs@gmail.com>
--
-- This file is part of libquvi-scripts <http://quvi.sourceforge.net/>.
--
-- This program is free software: you can redistribute it and/or
-- modify it under the terms of the GNU Affero General Public
-- License as published by the Free Software Foundation, either
-- version 3 of the License, or (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU Affero General Public License for more details.
--
-- You should have received a copy of the GNU Affero General
-- Public License along with this program. If not, see
-- <http://www.gnu.org/licenses/>.
--
local Guardian = {} -- Utility functions unique to this script
-- Identify the media script.
function ident(qargs)
return {
can_parse_url = Guardian.can_parse_url(qargs),
domains = table.concat({'theguardian.com', 'guardian.co.uk'}, ',')
}
end
-- Parse the media properties.
function parse(qargs)
local p = Guardian.fetch(qargs)
qargs.duration_ms = Guardian.parse_duration(p)
qargs.title = (p:match('"og:title" content="(.-)"') or '')
:gsub('%s+%-%s+video','')
qargs.id = (p:match('prop8%s+=%s+["\'](.-)["\']') or '')
:match('(%d+)') or ''
qargs.thumb_url = p:match('"thumbnail" content="(.-)"')
or p:match('"og:image" content="(.-)"') or ''
qargs.streams = Guardian.iter_streams(p)
return qargs
end
--
-- Utility functions
--
function Guardian.can_parse_url(qargs)
local U = require 'socket.url'
local t = U.parse(qargs.input_url)
if t and t.scheme and t.scheme:lower():match('^https?$')
and t.host and (t.host:lower():match('theguardian%.com$')
or t.host:lower():match('guardian%.co%.uk$'))
and t.path and (t.path:lower():match('/video/')
or t.path:lower():match('/audio/'))
then
return true
else
return false
end
end
function Guardian.fetch(qargs)
local p = quvi.http.fetch(qargs.input_url).data
local e = p:match('<div class="expired">.-<p>(.-)</p>.-</div>') or ''
if #e >0 then error(e) end
return p
end
function Guardian.iter_streams(p)
local u = p:match("%s+file.-:%s+'(.-)'")
or error('no match: media stream URL')
local S = require 'quvi/stream'
local s = S.stream_new(u)
s.video.height = tonumber(p:match('itemprop="height" content="(%d+)"') or 0)
s.video.width = tonumber(p:match('itemprop="width" content="(%d+)"') or 0)
return {s}
end
function Guardian.parse_duration(p)
local n = tonumber(p:match('duration%:%s+"?(%d+)"?') or 0) * 1000
if n ==0 then
local m,s = p:match('T(%d+)M(%d+)S')
n = (tonumber(m)*60 + tonumber(s)) * 1000
end
return n
end
-- vim: set ts=2 sw=2 tw=72 expandtab: