/usr/share/grilo-plugins/grl-lua-factory/grl-acoustid.lua is in grilo-plugins-0.3-base 0.3.5-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 | --[[
* Copyright (C) 2016 Grilo Project
*
* Contact: Victor Toso <me@victortoso.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; version 2.1 of
* the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
--]]
---------------------------
-- Source initialization --
---------------------------
source = {
id = "grl-acoustid",
name = "Acoustid",
description = "a source that provides audio identification",
supported_keys = { "title", "album", "artist", "mb-recording-id", "mb-album-id", "mb-artist-id" },
supported_media = { 'audio' },
config_keys = {
required = { "api-key" },
},
resolve_keys = {
["type"] = "audio",
required = { "duration", "chromaprint" }
},
tags = { 'music', 'net:internet' },
}
netopts = {
user_agent = "Grilo Source AcoustID/0.3.0",
}
------------------
-- Source utils --
------------------
acoustid = {}
-- https://acoustid.org/webservice#lookup
ACOUSTID_LOOKUP = "https://api.acoustid.org/v2/lookup?client=%s&meta=recordings+releasegroups&duration=%d&fingerprint=%s"
---------------------------------
-- Handlers of Grilo functions --
---------------------------------
function grl_source_init (configs)
acoustid.api_key = configs.api_key
return true
end
function grl_source_resolve (media, options, callback)
local url
local media = grl.get_media_keys()
if not media or
not media.duration or
not media.chromaprint or
#media.chromaprint == 0 then
grl.callback ()
return
end
url = string.format (ACOUSTID_LOOKUP, acoustid.api_key, media.duration,
media.chromaprint)
grl.fetch (url, netopts, lookup_cb)
end
---------------
-- Utilities --
---------------
function lookup_cb (feed)
if not feed then
grl.callback()
return
end
local json = grl.lua.json.string_to_table (feed)
if not json or json.status ~= "ok" then
grl.callback()
end
media = build_media (json.results)
grl.callback (media)
end
function build_media(results)
local media = grl.get_media_keys ()
local keys = grl.get_requested_keys ()
local record, album, artist
if results and #results > 0 and
results[1].recordings and
#results[1].recordings > 0 then
record = results[1].recordings[1]
media.title = keys.title and record.title or nil
media.mb_recording_id = keys.mb_recording_id and record.id or nil
end
if record and
record.releasegroups and
#record.releasegroups > 0 then
album = record.releasegroups[1]
media.album = keys.album and album.title or nil
media.mb_album_id = keys.mb_album_id and album.id or nil
end
-- FIXME: related-keys on lua sources are in the TODO list
-- https://bugzilla.gnome.org/show_bug.cgi?id=756203
-- and for that reason we are only returning first of all metadata
if record and record.artists and #record.artists > 0 then
artist = record.artists[1]
media.artist = keys.artist and artist.name or nil
media.mb_artist_id = keys.mb_artist_id and artist.id or nil
end
return media
end
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