{"id":158,"date":"2020-11-20T10:03:41","date_gmt":"2020-11-20T01:03:41","guid":{"rendered":"http:\/\/charon.s1005.xrea.com\/?p=158"},"modified":"2026-07-17T14:37:34","modified_gmt":"2026-07-17T05:37:34","slug":"raspberry-pi%e3%81%a7nhk%e3%83%a9%e3%82%b8%e3%82%aa%e3%82%92%e8%87%aa%e5%8b%95%e9%8c%b2%e9%9f%b3%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/linux-walker.net\/?p=158","title":{"rendered":"Raspberry Pi\u3067NHK\u30e9\u30b8\u30aa\u3092\u81ea\u52d5\u9332\u97f3\u3059\u308b"},"content":{"rendered":"\n

\u3053\u308c\u306f\u3068\u3063\u304f\u306b\u3053\u3053\u306b\u30dd\u30b9\u30c8\u3057\u3066\u3044\u305f\u6c17\u304c\u3059\u308b\u3051\u3069\u3001\u5b9f\u306f\u307e\u3060\u3060\u3063\u305f\u306e\u3067\u3059\u306d\u3002
\u3053\u3053\u306b\u6765\u308b\u307e\u3067\u3051\u3063\u3053\u3046\u82e6\u52b4\u3057\u305f\u306e\u3067\u8f09\u305b\u3066\u304a\u304d\u307e\u3059\u3002

\u57fa\u672c\u7684\u306b\u306friocampos\u3055\u3093\u306e\u3053\u306e\u30da\u30fc\u30b8<\/a>\u3092\u53c2\u8003\u306b\u3057\u307e\u3057\u305f\u3002\u9055\u3044\u306f http:\/\/www.nhk.or.jp\/radio\/config\/config_web.xml<\/a> \u3092\u6bce\u56de\u53c2\u7167\u3057\u3066\u3001akamaihd.net \u306eURL\u304c\u5909\u66f4\u3055\u308c\u3066\u3044\u3066\u3082\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n

\u3067\u306fRuby\u30b9\u30af\u30ea\u30d7\u30c8\u3002\u8aad\u3081\u3070\u308f\u304b\u308b\u306e\u3067\u8aac\u660e\u306f\u7565\u3002<\/p>\n\n\n\n

#!\/usr\/bin\/env ruby\n# Usage: record_nhk.rb [options] area station duration outdir\n\nrequire 'optparse'\nrequire \"rexml\/document\"\nrequire \"open-uri\"\n\nURL = \"http:\/\/www.nhk.or.jp\/radio\/config\/config_web.xml\"\n\n# MYAREA is one of the followings\n# sapporo \n# sendai \n# tokyo \n# nagoya \n# osaka \n# hiroshima \n# matsuyama \n# fukuoka \n\nparams = ARGV.getopts(nil, 'title:', 'artist:', 'album:')\n\nmyarea = ARGV[0]\nstation = ARGV[1]\nduration = ARGV[2]\noutdir = ARGV[3]\nSTDERR.puts \"1: fetching config...\"\nbegin\n  xml = URI.open(URL, open_timeout: 30, read_timeout: 30).read\nrescue OpenURI::HTTPError, SocketError, Errno::ECONNREFUSED, Errno::ETIMEDOUT => e\n  STDERR.puts \"Failed to fetch NHK config: #{e.message}\"\n  exit 1\nend    \n\nSTDERR.puts \"2: got xml, parsing...\"\ndoc = REXML::Document.new(xml)\n\nradiru_config =  nil\ndoc.each do |e|\n  if e.kind_of?(REXML::Element) and e.name == \"radiru_config\"\n    radiru_config = e\n    break\n  end\nend\n\nstream_url= radiru_config.elements['stream_url']\n\narea = nil\nstream_url.each do |data|\n  if data.kind_of?(REXML::Element)\n    if data.elements['area'].text == myarea\n      area = data\n      break\n    end\n  end\nend\n\ncase station\nwhen 'r1'\n  surl = area.elements['r1hls'].text.strip\nwhen 'r2'\n  surl = area.elements['r2hls'].text.strip\nwhen 'fm'\n  surl = area.elements['fmhls'].text.strip\nelse\n  surl = area.elements['fmhls'].text.strip\nend\nSTDERR.puts \"3: surl=#{surl}\"\n\nnow = Time.now.to_s.sub(\/(\\d\\d\\d\\d-\\d\\d-\\d\\d)\\s+(\\d\\d:\\d\\d):\\d\\d.*$\/){ $1 + '_' + $2.sub(\/:\/, '-') }\n\nmeta = \"\"\n\nif params['title']\n  meta += \" -metadata title=\\\"\" + params['title'] + \"\\\"\"\nend\n\nif params['artist']\n  meta += \" -metadata artist=\\\"\" + params['artist'] + \"\\\"\"\nend\n\nif params['album']\n  meta += \" -metadata album=\\\"\" + params['album'] + \"\\\"\"\nend\n\ndef hms_to_seconds(hms)\n  h, m, s = hms.split(':').map(&:to_i)\n  h * 3600 + m * 60 + s\nend\n\ntimeout_sec = hms_to_seconds(duration) + 60\n\nffmpeg_cmd = sprintf(\n  \"timeout %d ffmpeg -y -rw_timeout 30000000 -nostdin -t %s -i %s %s -write_xing 0 %s\/%s.mp3\",\n  timeout_sec, duration, surl, meta, outdir, now\n)\nSTDERR.puts \"4: cmd=#{ffmpeg_cmd}\"\n\nlockfile = \"\/tmp\/record_nhk_#{station}_#{myarea}.lock\"\nFile.open(lockfile, File::CREAT, 0644) do |f|\n  unless f.flock(File::LOCK_EX | File::LOCK_NB)\n    STDERR.puts \"Already running, exiting.\"\n    exit 1\n  end\n  system(ffmpeg_cmd)\n  STDERR.puts \"5: done\"\nend<\/code><\/pre>\n\n\n\n
\u4f7f\u3044\u304b\u305f\u306fcron\u3067\u3053\u3093\u306a\u611f\u3058\u3067\u3059\u3002\u8da3\u5473\u304c\u308f\u304b\u3063\u3066\u3057\u307e\u3046…
sleep 30\u306f\u9045\u5ef6\u3092\u8003\u616e\u3057\u3066\u3067\u3059\u304c\u3001\u3082\u3063\u3068\u591a\u3044\u307b\u3046\u304c\u3044\u3044\u304b\u3082\u3002<\/p>\n\n\n\n
05 16 * * 0     sleep 30;\/home\/pi\/NHK\/record_nhk.rb –artist “DJ\u65e5\u672c\u53f2” –album “\u30c8\u30fc\u30af” tokyo r1 00:50:00 \/disk\/Music\/Radio\/NHK-R1\/DJ  
30 19 * * 1-5   sleep 30;\/home\/pi\/NHK\/record_nhk.rb –artist “\u30d9\u30b9\u30c8\u30fb\u30aa\u30d6\u30fb\u30af\u30e9\u30b7\u30c3\u30af” –album “\u30af\u30e9\u30b7\u30c3\u30af” tokyo fm 01:40:00 \/disk\/Music\/Radio\/NHK-FM\/Classic
15 21 * * 1-5   sleep 30;\/home\/pi\/NHK\/record_nhk.rb –artist “\u9752\u6625\u30a2\u30c9\u30d9\u30f3\u30c1\u30e3\u30fc” –album “\u30e9\u30b8\u30aa\u30c9\u30e9\u30de” tokyo fm 00:15:00 \/disk\/Music\/Radio\/NHK-FM\/Adventure
00 22 * * 6     sleep 30;\/home\/pi\/NHK\/record_nhk.rb –artist “FM\u30b7\u30a2\u30bf\u30fc” –album “\u30e9\u30b8\u30aa\u30c9\u30e9\u30de” tokyo fm 01:00:00 \/disk\/Music\/Radio\/NHK-FM\/Theatre
05 10 * * 6     sleep 30;\/home\/pi\/NHK\/record_nhk.rb –artist “\u771f\u6253\u3061\u7af6\u6f14” –album “\u843d\u8a9e” tokyo r1 00:50:00 \/disk\/Music\/Radio\/NHK-R1\/Sin-uti
20 19 * * 0     sleep 30;\/home\/pi\/NHK\/record_nhk.rb –artist “\u65b0\u65e5\u66dc\u540d\u4f5c\u5ea7” –album “\u30e9\u30b8\u30aa\u30c9\u30e9\u30de” tokyo r1 00:30:00 \/disk\/Music\/Radio\/NHK-R1\/Meisaku
30 10 * * 1-3   sleep 30;\/home\/pi\/NHK\/record_nhk.rb –artist “\u9060\u5c71\u9855\u306e\u82f1\u4f1a\u8a71\u697d\u7fd2” –album “\u82f1\u8a9e” tokyo r2 00:15:00 \/disk\/Music\/Radio\/NHK-R2\/Rakushuu<\/p>\n\n\n\n
2026-07-17 \u8ffd\u8a18: \u3044\u308d\u3044\u308d\u4e0d\u5177\u5408\u304c\u3042\u3063\u305f\u306e\u3067Claude\u306e\u52a9\u8a00\u306b\u3088\u308a\u6539\u826f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u3053\u308c\u306f\u3068\u3063\u304f\u306b\u3053\u3053\u306b\u30dd\u30b9\u30c8\u3057\u3066\u3044\u305f\u6c17\u304c\u3059\u308b\u3051\u3069\u3001\u5b9f\u306f\u307e\u3060\u3060\u3063\u305f\u306e\u3067\u3059\u306d\u3002\u3053\u3053\u306b\u6765\u308b\u307e\u3067\u3051\u3063\u3053\u3046\u82e6\u52b4\u3057\u305f\u306e\u3067\u8f09\u305b\u3066\u304a\u304d\u307e\u3059\u3002 \u57fa\u672c\u7684\u306b\u306friocampos\u3055\u3093\u306e\u3053\u306e\u30da\u30fc\u30b8\u3092\u53c2\u8003\u306b\u3057\u307e\u3057\u305f\u3002\u9055\u3044\u306f http:\/\/www.nh… \u7d9a\u304d\u3092\u8aad\u3080 Raspberry Pi\u3067NHK\u30e9\u30b8\u30aa\u3092\u81ea\u52d5\u9332\u97f3\u3059\u308b<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,36,10],"tags":[],"class_list":["post-158","post","type-post","status-publish","format-standard","hentry","category-raspberry-pi","category-36","category-10","entry"],"_links":{"self":[{"href":"https:\/\/linux-walker.net\/index.php?rest_route=\/wp\/v2\/posts\/158","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/linux-walker.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/linux-walker.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/linux-walker.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/linux-walker.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=158"}],"version-history":[{"count":2,"href":"https:\/\/linux-walker.net\/index.php?rest_route=\/wp\/v2\/posts\/158\/revisions"}],"predecessor-version":[{"id":845,"href":"https:\/\/linux-walker.net\/index.php?rest_route=\/wp\/v2\/posts\/158\/revisions\/845"}],"wp:attachment":[{"href":"https:\/\/linux-walker.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/linux-walker.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/linux-walker.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}