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-- notify.lua -- Desktop notifications for mpv.
-- Just put this file into your ~/.mpv/lua folder and mpv will find it.
--
-- Copyright (c) 2014 Roland Hieber
--
-- Permission is hereby granted, free of charge, to any person obtaining a copy
-- of this software and associated documentation files (the "Software"), to deal
-- in the Software without restriction, including without limitation the rights
-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-- copies of the Software, and to permit persons to whom the Software is
-- furnished to do so, subject to the following conditions:
--
-- The above copyright notice and this permission notice shall be included in
-- all copies or substantial portions of the Software.
--
-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-- SOFTWARE.
-------------------------------------------------------------------------------
-- helper functions
-------------------------------------------------------------------------------
function print_debug(s)
-- print("DEBUG: " .. s) -- comment out for no debug info
return true
end
-- url-escape a string, per RFC 2396, Section 2
function string.urlescape(str)
local s, c = string.gsub(str, "([^A-Za-z0-9_.!~*'()/-])",
function(c)
return ("%%%02x"):format(c:byte())
end)
return s;
end
-- escape string for html
function string.htmlescape(str)
local str = string.gsub(str, "<", "<")
str = string.gsub(str, ">", ">")
str = string.gsub(str, "&", "&")
str = string.gsub(str, "\"", """)
str = string.gsub(str, "'", "'")
return str
end
-- escape string for shell inclusion
function string.shellescape(str)
return "'"..string.gsub(str, "'", "'\"'\"'").."'"
end
-- converts string to a valid filename on most (modern) filesystems
function string.safe_filename(str)
local s, _ = string.gsub(str, "([^A-Za-z0-9_.-])",
function(c)
return ("%02x"):format(c:byte())
end)
return s;
end
function notify_current_track()
local data = mp.get_property_native("metadata")
if not data then
return
end
function get_metadata(data, keys)
for _,v in pairs(keys) do
if data[v] and string.len(data[v]) > 0 then
return data[v]
end
end
return ""
end
-- srsly MPV, why do we have to do this? :-(
local artist = get_metadata(data, {"artist", "ARTIST"})
local album = get_metadata(data, {"album", "ALBUM"})
local title = get_metadata(data, {"title", "TITLE", "icy-title"})
print_debug("notify_current_track: relevant metadata:")
print_debug("artist: " .. artist)
print_debug("album: " .. album)
local summary = ""
local body = ""
local params = ""
if(artist == "") then
summary = string.shellescape("Now playing:")
else
summary = string.shellescape(string.htmlescape(artist))
end
if title == "" then
body = string.shellescape(mp.get_property_native("filename"))
else
if album == "" then
body = string.shellescape(string.htmlescape(title))
else
body = string.shellescape(("%s<br /><i>%s</i>"):format(
string.htmlescape(title), string.htmlescape(album)))
end
end
local command = ("notify-send -a mpv %s -- %s %s"):format(params, summary, body)
print_debug("command: " .. command)
os.execute(command)
end
function notify_metadata_updated(name, data)
notify_current_track()
end
-- insert main() here
mp.register_event("file-loaded", notify_current_track)
mp.observe_property("metadata", nil, notify_metadata_updated)
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