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path: root/mpv/scripts/visualizer.lua
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Diffstat (limited to 'mpv/scripts/visualizer.lua')
-rw-r--r--mpv/scripts/visualizer.lua360
1 files changed, 360 insertions, 0 deletions
diff --git a/mpv/scripts/visualizer.lua b/mpv/scripts/visualizer.lua
new file mode 100644
index 0000000..715d6d0
--- /dev/null
+++ b/mpv/scripts/visualizer.lua
@@ -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 = "image/png;base64," ..
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+
+local axis_1 = "image/png;base64," ..
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+
+local 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)