VERSION = "2.2" function descriptor() return { title = "Now Playing in Texts v2", version = VERSION, author = "un_pogaz", url = "https://github.com/un-pogaz/Now-Playing-in-Texts", description = [[Write the metadatas of the curent playing song in texts files. You can create customs outputs files, read the doc for more detailed information. The TXT's will be saved in your VLC user director which can be found in the following places Linux: ~/.local/share/vlc/ Windows: %APPDATA%\vlc\ Mac OS X: /Users/%your_name%/Library/Application Support/org.videolan.vlc/]], -- shortdesc = "Now Playing in Texts", capabilities = { "input-listener" }, icon = NP_icon } end --[[ Now Playing in Texts, extension for VLC media player ------------------------- Installation Instructions ------------------------- Place this file in the corresponding folder and restart VLC or reload plugin extensions. Linux: Current User: ~/.local/share/vlc/lua/extensions/ All Users: /usr/lib/vlc/lua/extensions/ Windows: Current User: %APPDATA%\vlc\lua\extensions All Users: %ProgramFiles%\VideoLAN\VLC\lua\extensions\ Mac OS X: Current User: /Users/%your_name%/Library/Application Support/org.videolan.vlc/lua/extensions/ All Users: /Applications/VLC.app/Contents/MacOS/share/lua/extensions/ --]] -- Activate & Deactivate function activate() print_debug("Activate {" .. VERSION .. "}") init() update_files() end function close() clear_files() print_debug("Close") end function deactivate() clear_files() print_debug("Deactivate") end -- Triggers function input_changed() update_files() end function meta_changed() update_files() end ---------------- -- global values names = { "filename", "title", "artist", "album", "genre", "date", "description", "COMPOSER", "ALBUMARTIST", "now_playing", "name", "duration", "duration_1" } names_custom = { "ext", "ext1" } -- custom names names0 = { "track_number", "track_total", "DISCNUMBER" } -- this names exist wiht a 0 variante path = { ["uri"]="filepath", ["artwork_url"]="artwork" } not_playing = "NOT_PLAYING" default_file = {} metadata = {} is_playing = "is_playing_bool" -- initialisation function init() print_debug("init()") for i, n in pairs(names_custom) do table.insert(names, n) end for i, n in pairs(names0) do table.insert(names, n) table.insert(names, n .. "0") end for k, v in pairs(path) do table.insert(names, k) table.insert(names, v) end table.sort(names) metadata = {} default_file = {} default_file["title"] = {"{title}", "{filename}"} default_file["artist"] = {"{artist}"} default_file["album"] = {"{album}"} default_file["artist_title"] = {"{artist} - {title}", "{title}", "{filename}"} default_file["radio"] = {"{now_playing}", "{title}", "{filename}"} default_file["bandcamp"] = {"{artist} - {album} - {track_number0} {title}", "{artist} - {album} - {title}", "{artist} - {title}", "{title}", "{filename}"} end --------------- -- update files function update_files() print_debug("update_files()") metadata = get_metadata() write_all_files() end function clear_files() print_debug("clear_files()") metadata[is_playing] = false write_all_files() end function write_all_files() for k, v in pairs(default_file) do write_pattern(k, v) end for o, ptr in get_custom_files() do if ptr then write_pattern(o, ptr) else os.remove(get_filename(o)) end end write_metadata() write_artwork() end -- get metadata (safe) function get_metadata() local rslt = {} rslt[is_playing] = vlc.input.is_playing() if not rslt[is_playing] then return rslt end local item = vlc.input.item() local metas = item:metas() --debug_metadata(metas) for i, n in pairs(names) do rslt[n] = metas[n] end rslt["uri"] = item:uri() rslt["name"] = item:name() local t_s = item:duration() local t_m = 0 local t_h = 0 -- set duration if t_s then t_s = truncate(t_s) if t_s > 0 then t_m = truncate(t_s / 60) t_h = truncate(t_m / 60) t_s = t_s - t_m * 60 t_m = t_m - t_h * 60 end local duration = tostring(t_s) if (t_s >= 0) and (t_s < 10) then duration = "0" .. duration end if t_s >= 0 then duration = t_m .. ":" .. duration end if t_h > 0 then if t_m < 10 then duration = "0" .. duration end duration = t_h .. ":" .. duration end rslt["duration_1"] = duration if t_s >= 0 then rslt["duration"] = duration end end -- set names0 for i, n in pairs(names0) do if rslt[n] then local n0 = n .. "0" rslt[n] = tostring(rslt[n]) rslt[n0] = rslt[n] while string.len(rslt[n0]) < 2 do rslt[n0] = "0" .. rslt[n0] end end end -- set path for k, v in pairs(path) do local uri = rslt[k] if uri then local status, url = pcall(vlc.strings.url_parse, uri) if not status then status, url = pcall(vlc.net.url_parse, uri) end if not status then url = {} end if url["protocol"] == "file" then local file = url["path"] if not file then file = string.sub(uri, 8) end file = vlc.strings.decode_uri(file) if string.find(file, "^/%a:/") then file = string.sub(file, 2) end rslt[v] = file; end end end -- custom names -- set ext if rslt["filename"] then local ext = string.reverse(rslt["filename"]) local zi = string.find(ext, ".", 1, true) if zi and zi > 1 then ext = string.reverse(string.sub(ext, 1, zi)) rslt["ext"] = string.upper(ext) rslt["ext1"] = string.lower(ext) end end -- trim white space for k, v in pairs(rslt) do if type(v) == type("") then v = string_trim(v) if v == "" then v = nil end rslt[k] = v end end return rslt end --------------- -- output files function write_pattern(name, patterns) print_debug("write file > " .. name) if not metadata[is_playing] then local is_playing_line = get_not_playing(patterns[table.getn(patterns)]) if is_playing_line then print_debug("not playing > " .. is_playing_line) else print_debug("not playing ") is_playing_line = "" end write_file(name, is_playing_line) return end for i, ptr in ipairs(patterns) do local is_playing_line = get_not_playing(ptr) if is_playing_line then -- next pattern else local used_name = get_used_name(ptr) local used_name_lenght = table.getn(used_name) if used_name_lenght == 0 then -- if no valide name, write the text print_debug("pattern > " .. ptr) write_file(name, ptr) return else local valide_meta = get_valide_meta(used_name) local valide_meta_lenght = 0 for w, v in pairs(valide_meta) do valide_meta_lenght = valide_meta_lenght +1 end if used_name_lenght ~= valide_meta_lenght then -- next pattern else print_debug("pattern > " .. ptr) local index_name = get_index_name(ptr, used_name) local rslt = {} for i, rev in table_reverse(index_name) do --exctract the end of the patern for replace only the last one metadata local fin = string.sub(ptr, rev[1]) rslt[i+1] = valide_meta[rev[2]] .. string.sub(fin, string.len(k_w(rev[2]))+1) ptr = string.sub(ptr, 0, rev[1]-1) end rslt[1] = ptr write_file(name, table.concat(rslt, "")) --rebuild the string and write return end end end end print_debug("no matching pattern ") write_file(name, "") return end function write_metadata() local mdt1 = {} local mdt2 = {} local m = ""; if metadata[is_playing] then for i, v in ipairs(names) do m = metadata[v] if m then table.insert(mdt1, k_w(v)..":") table.insert(mdt1, "\t"..m) table.insert(mdt2, k_w(v)..":") table.insert(mdt2, "\t"..m) else table.insert(mdt2, k_w(v)..":") table.insert(mdt2, "") end end else table.insert(mdt1, not_playing) table.insert(mdt2, not_playing) end print_debug("write file > metadata") write_file("metadata", table.concat(mdt1, "\n")) print_debug("write file > metadata_full") write_file("metadata_full", table.concat(mdt2, "\n")) end function write_artwork() local artwork = vlc.config.userdatadir() .. "/np_artwork.jpg" local src = metadata["artwork"] if metadata[is_playing] and src then local fi_r = io.open(src, "rb") if fi_r then print_debug("write artwork > np_artwork.jpg") local fi_w = io.open(artwork, "wb") local nr = 2^16 local bytes = fi_r:read(nr) while bytes ~= nil do fi_w:write(bytes) bytes = fi_r:read(nr) end fi_w:close() fi_r:close() return end end print_debug("no artwork ") local fi_w = io.open(artwork, "wb") fi_w:write(NP_transparent) fi_w:close() end function debug_metadata(metas) local rslt = {} for k, v in pairs(metas) do table.insert(rslt, k.."=") table.insert(rslt, "\t"..v) end print_debug("write file > debug_metadata") write_file("debug_metadata", table.concat(rslt, "\n")) end ------------------- -- various function function k_w(word) word = get_value_empty(word) return "{".. string.lower(word) .. "}" end function get_not_playing(pattern) local key_word = k_w(not_playing) if (string.len(pattern) >= string.len(key_word)) and (string.sub(string.lower(pattern), 0, string.len(key_word)) == key_word) then return string.sub(pattern, string.len(key_word)+1) end return nil end function get_used_name(pattern) local rslt = {} pattern = string.lower(pattern) for i, n in ipairs(names) do if string.match(pattern, k_w(n)) then table.insert(rslt, n) end end return rslt end function get_valide_meta(used_name) local rslt = {} for i, n in ipairs(used_name) do rslt[n] = metadata[n] end return rslt end function get_index_name(pattern, used_name) local rslt = {} pattern = string.lower(pattern) for i, n in ipairs(used_name) do local idx = 0 local i_s, i_e repeat i_s, i_e = string.find(pattern, k_w(n), idx) idx = i_e if i_s then table.insert(rslt, { i_s, n }) end until i_s == nil end table.sort(rslt, function(a,b) return a[1] < b[1] end) return rslt end function get_custom_files() local i = -1 return function() i = i + 1 if i == 0 then return get_custom_patterns("custom") elseif i <= 100 then return get_custom_patterns("custom" .. i) end end end function get_custom_patterns(name) local rslt = {} local status, rslt = pcall(function() local lst = {} for line in io.lines(get_filename(name)) do table.insert(lst, line) end return lst end) if not status or table.getn(rslt) == 0 then return name .. "_out", nil else return name .. "_out", rslt end end ------------------ -- common function function print_debug(text) vlc.msg.dbg("[Now Playing texts] " .. tostring(text)) end function table_reverse(t) local lenght = table.getn(t) + 1 return function() lenght = lenght - 1 if 0 < lenght then return lenght, t[lenght] end end end function string_table(text) local tbl = {} local status, _ = pcall(string.gsub, text, ".", function(c) table.insert(tbl, c) end) if status then return tbl else return nil end end function string_trim(text) local s, e = string.find(text, "^%s+") if e then text = string.sub(text, e+1) end s, e = string.find(text, "%s+$") if s then text = string.sub(text, 1, s-1) end return text end function truncate(num) return tonumber(string.format("%i", num)) end function get_value_empty(value) if value == nil then return "" else return tostring(value) end end function get_filename(name) return vlc.config.userdatadir() .. "/np_" .. get_value_empty(name) .. ".txt" end function write_file(name, text) text = get_value_empty(text) if text == "" then text = " " end text = string.gsub(tostring(text), "\\n", "\n") local w = io.open(get_filename(name), "w") if w then w:write(text) w:close() end end ---------- -- picture NP_transparent = 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