GyaoのチャンネルURLからいい感じのコマンドを出力する

gyao.rb

# -*- coding: utf-8 -*-

require 'net/https'
require 'pp'

# https://gist.github.com/cielavenir/a858255c4009ecbb9b67

@channel_urls = ARGV
@player_urls = []

@channel_urls.each {|channel_url|
  unless channel_url =~ %r!gyao.yahoo.co.jp/p/(\d+)/(v\d+)/!
    next
  end
  args = [$1, $2]

  title = nil
  player_urls = []
  Net::HTTP.start('gyao.yahoo.co.jp') {|http|
    response = http.get('/p/' + args.join('/') + '/')
    response.body =~ %r!<title>(.*?)</title>!
    title = $1.force_encoding('utf-8').split('｜')[0]
    player_urls = response.body.scan(%r!/player/\d+/v\d+/v\d+/!)
  }

  @player_urls += player_urls.select {|player_url|
    player_url.include?(args[0]) && player_url.include?(args[1])
  }.uniq
}

@player_urls.each {|player_url|
  unless player_url =~ %r!/player/(\d+)/(v\d+)/(v\d+)/!
    next
  end
  args = [$1, $2, $3]

  https = Net::HTTP.new('gw.gyao.yahoo.co.jp', 443)
  https.use_ssl = true
  https.start {
    response = https.get('/v1/hls/' + args.join(':') + '/variant.m3u8?' +
        'device_type=1100&delivery_type=2&appkey=52hd8q-XnozawaXc727tmojaFD.SD1yc&' +
        'appid=ff_rbJCxg67.bRk_lk7CbWFjhorGVKjvFsRgiLDHW4PE.vN6zxDW6KyRr1Zw3rI-')
    lines = response.body.force_encoding('utf-8').split("\n")

    urls = []
    (0 ... lines.size).to_a.each_cons(2) {|k1, k2|
      if lines[k1] =~ /BANDWIDTH=(\d+)/
        urls << [$1.to_i, 'https://gw.gyao.yahoo.co.jp' + lines[k2]]
      end
    }

    url = urls.sort {|v1, v2| v2[0] <=> v1[0] }[0][1]
    puts "ffmpeg -bsf:a aac_adtstoasc -acodec copy -vcodec copy #{args[0]}_#{args[1]}_#{args[2]}.mp4 -i #{url}"
  }
}