Add mpv visualizer script

Changes

1 changed files (+360/-0)

• mpv/scripts/visualizer.lua (new)
  • @@ -0,0 +1,360 @@
    + -- https://github.com/mfcc64/mpv-scripts + + -- various audio visualization + + local opts = { + mode = "novideo", + -- off disable visualization + -- noalbumart enable visualization when no albumart and no video + -- novideo enable visualization when no video + -- force always enable visualization + + name = "showcqt", + -- off + -- showcqt + -- avectorscope + -- showspectrum + -- showcqtbar + -- showwaves + + quality = "absurdlyhigh", + -- verylow + -- low + -- medium + -- high + -- veryhigh + + height = 8, + -- [4 .. 12] + + forcewindow = true, + -- true (yes) always run visualizer regardless of force-window settings + -- false (no) does not run visualizer when force-window is no + } + + -- key bindings + -- cycle visualizer + local cycle_key = "c" + + if not (mp.get_property("options/lavfi-complex", "") == "") then + return + end + + local visualizer_name_list = { + "off", + "showcqt", + "avectorscope", + "showspectrum", + "showcqtbar", + "showwaves", + } + + local axis_0 = 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options = require 'mp.options' + local msg = require 'mp.msg' + + options.read_options(opts) + opts.height = math.min(12, math.max(4, opts.height)) + opts.height = math.floor(opts.height) + + if not opts.forcewindow and mp.get_property('force-window') == "no" then + return + end + + local function get_visualizer(name, quality, vtrack) + local w, h, fps + + if quality == "verylow" then + w = 640 + fps = 30 + elseif quality == "low" then + w = 960 + fps = 30 + elseif quality == "medium" then + w = 1280 + fps = 60 + elseif quality == "high" then + w = 1920 + fps = 60 + elseif quality == "veryhigh" then + w = 2560 + fps = 60 + elseif quality == "absurdlyhigh" then -- Honestly this just looks the same as veryhigh??? + w = 3840 + fps = 60 + else + msg.log("error", "invalid quality") + return "" + end + + h = w * opts.height / 16 + + if name == "showcqt" then + local count = math.ceil(w * 180 / 3840 / fps) -- This was originally 1920 + + return "[aid1] asplit [ao]," .. + "afifo, aformat = channel_layouts = stereo," .. + "firequalizer =" .. + "gain = '1.4884e8 * f*f*f / (f*f + 424.36) / (f*f + 1.4884e8) / sqrt(f*f + 25122.25)':" .. + "scale = linlin:" .. + "wfunc = tukey:" .. + "zero_phase = on:" .. + "fft2 = on," .. + "showcqt =" .. + "fps =" .. fps .. ":" .. + "size =" .. w .. "x" .. h .. ":" .. + "count =" .. count .. ":" .. + "csp = bt709:" .. + "bar_g = 2:" .. + "sono_g = 4:" .. + "bar_v = 9:" .. + "sono_v = 17:" .. + "axisfile = data\\\\:'" .. axis_0 .. "':" .. + "font = 'Nimbus Mono L,Courier New,mono|bold':" .. + "fontcolor = 'st(0, (midi(f)-53.5)/12); st(1, 0.5 - 0.5 * cos(PI*ld(0))); r(1-ld(1)) + b(ld(1))':" .. + "tc = 0.33:" .. + "attack = 0.033:" .. + "tlength = 'st(0,0.17); 384*tc / (384 / ld(0) + tc*f /(1-ld(0))) + 384*tc / (tc*f / ld(0) + 384 /(1-ld(0)))'," .. + "format = yuv420p [vo]" + + + elseif name == "avectorscope" then + return "[aid1] asplit [ao]," .. + "afifo," .. + "aformat =" .. + "sample_rates = 192000," .. + "avectorscope =" .. + "size =" .. w .. "x" .. h .. ":" .. + "r =" .. fps .. "," .. + "format = rgb0 [vo]" + + + elseif name == "showspectrum" then + return "[aid1] asplit [ao]," .. + "afifo," .. + "showspectrum =" .. + "size =" .. w .. "x" .. h .. ":" .. + "win_func = blackman [vo]" + + + elseif name == "showcqtbar" then + local axis_h = math.ceil(w * 12 / 1920) * 4 + + return "[aid1] asplit [ao]," .. + "afifo, aformat = channel_layouts = stereo," .. + "firequalizer =" .. + "gain = '1.4884e8 * f*f*f / (f*f + 424.36) / (f*f + 1.4884e8) / sqrt(f*f + 25122.25)':" .. + "scale = linlin:" .. + "wfunc = tukey:" .. + "zero_phase = on:" .. + "fft2 = on," .. + "showcqt =" .. + "fps =" .. fps .. ":" .. + "size =" .. w .. "x" .. (h + axis_h)/2 .. ":" .. + "count = 1:" .. + "csp = bt709:" .. + "bar_g = 2:" .. + "sono_g = 4:" .. + "bar_v = 9:" .. + "sono_v = 17:" .. + "sono_h = 0:" .. + "axisfile = data\\\\:'" .. axis_1 .. "':" .. + "axis_h =" .. axis_h .. ":" .. + "font = 'Nimbus Mono L,Courier New,mono|bold':" .. + "fontcolor = 'st(0, (midi(f)-53.5)/12); st(1, 0.5 - 0.5 * cos(PI*ld(0))); r(1-ld(1)) + b(ld(1))':" .. + "tc = 0.33:" .. + "attack = 0.033:" .. + "tlength = 'st(0,0.17); 384*tc / (384 / ld(0) + tc*f /(1-ld(0))) + 384*tc / (tc*f / ld(0) + 384 /(1-ld(0)))'," .. + "format = yuv420p," .. + "split [v0]," .. + "crop =" .. + "h =" .. (h - axis_h)/2 .. ":" .. + "y = 0," .. + "vflip [v1];" .. + "[v0][v1] vstack [vo]" + + + elseif name == "showwaves" then + return "[aid1] asplit [ao]," .. + "afifo," .. + "showwaves =" .. + "size =" .. w .. "x" .. h .. ":" .. + "r =" .. fps .. ":" .. + "mode = p2p," .. + "format = rgb0 [vo]" + elseif name == "off" then + local hasvideo = false + for id, track in ipairs(mp.get_property_native("track-list")) do + if track.type == "video" then + hasvideo = true + break + end + end + if hasvideo then + return "[aid1] asetpts=PTS [ao]; [vid1] setpts=PTS [vo]" + else + return "[aid1] asetpts=PTS [ao];" .. + "color =" .. + "c = Black:" .. + "s =" .. w .. "x" .. h .. "," .. + "format = yuv420p [vo]" + end + end + + msg.log("error", "invalid visualizer name") + return "" + end + + local function select_visualizer(vtrack) + if opts.mode == "off" then + return "" + elseif opts.mode == "force" then + return get_visualizer(opts.name, opts.quality, vtrack) + elseif opts.mode == "noalbumart" then + if vtrack == nil then + return get_visualizer(opts.name, opts.quality, vtrack) + end + return "" + elseif opts.mode == "novideo" then + if vtrack == nil or vtrack.albumart then + return get_visualizer(opts.name, opts.quality, vtrack) + end + return "" + end + + msg.log("error", "invalid mode") + return "" + end + + local function visualizer_hook() + local count = mp.get_property_number("track-list/count", -1) + if count <= 0 then + return + end + + local atrack = mp.get_property_native("current-tracks/audio") + local vtrack = mp.get_property_native("current-tracks/video") + + --no tracks selected (yet) + if atrack == nil and vtrack == nil then + for id, track in ipairs(mp.get_property_native("track-list")) do + if track.type == "video" and (vtrack == nil or vtrack.albumart == true) and mp.get_property("vid") ~= "no" then + vtrack = track + elseif track.type == "audio" then + atrack = track + end + end + end + + local lavfi = select_visualizer(vtrack) + --prevent endless loop + if lavfi ~= mp.get_property("options/lavfi-complex", "") then + mp.set_property("options/lavfi-complex", lavfi) + end + end + + mp.add_hook("on_preloaded", 50, visualizer_hook) + mp.observe_property("current-tracks/audio", "native", visualizer_hook) + mp.observe_property("current-tracks/video", "native", visualizer_hook) + + local function cycle_visualizer() + local i, index = 1 + for i = 1, #visualizer_name_list do + if (visualizer_name_list[i] == opts.name) then + index = i + 1 + if index > #visualizer_name_list then + index = 1 + end + break + end + end + opts.name = visualizer_name_list[index] + visualizer_hook() + end + + mp.add_key_binding(cycle_key, "cycle-visualizer", cycle_visualizer)