visualizer.lua (21444B)
1 -- various audio visualization 2 3 local opts = { 4 mode = "novideo", 5 -- off disable visualization 6 -- noalbumart enable visualization when no albumart and no video 7 -- novideo enable visualization when no video 8 -- force always enable visualization 9 10 name = "avectorscope", 11 -- off 12 -- showcqt 13 -- avectorscope 14 -- showspectrum 15 -- showcqtbar 16 -- showwaves 17 18 quality = "high", 19 -- verylow 20 -- low 21 -- medium 22 -- high 23 -- veryhigh 24 25 height = 6, 26 -- [4 .. 12] 27 } 28 29 -- key bindings 30 -- cycle visualizer 31 local cycle_key = "c" 32 33 if not (mp.get_property("options/lavfi-complex", "") == "") then 34 return 35 end 36 37 local visualizer_name_list = { 38 "off", 39 "showcqt", 40 "avectorscope", 41 -- "showspectrum", 42 -- "showcqtbar", 43 "showwaves", 44 } 45 46 local axis_0 = "image/png;base64," .. 47 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132 local options = require 'mp.options' 133 local msg = require 'mp.msg' 134 135 options.read_options(opts) 136 opts.height = math.min(12, math.max(4, opts.height)) 137 opts.height = math.floor(opts.height) 138 139 local function get_visualizer(name, quality) 140 local w, h, fps 141 142 if quality == "verylow" then 143 w = 640 144 fps = 30 145 elseif quality == "low" then 146 w = 960 147 fps = 30 148 elseif quality == "medium" then 149 w = 1280 150 fps = 60 151 elseif quality == "high" then 152 w = 1920 153 fps = 60 154 elseif quality == "veryhigh" then 155 w = 2560 156 fps = 60 157 else 158 msg.log("error", "invalid quality") 159 return "" 160 end 161 162 h = w * opts.height / 16 163 164 if name == "showcqt" then 165 local count = math.ceil(w * 180 / 1920 / fps) 166 167 return "[aid1] asplit [ao]," .. 168 "afifo, aformat = channel_layouts = stereo," .. 169 "firequalizer =" .. 170 "gain = '1.4884e8 * f*f*f / (f*f + 424.36) / (f*f + 1.4884e8) / sqrt(f*f + 25122.25)':" .. 171 "scale = linlin:" .. 172 "wfunc = tukey:" .. 173 "zero_phase = on:" .. 174 "fft2 = on," .. 175 "showcqt =" .. 176 "fps =" .. fps .. ":" .. 177 "size =" .. w .. "x" .. h .. ":" .. 178 "count =" .. count .. ":" .. 179 "csp = bt709:" .. 180 "bar_g = 2:" .. 181 "sono_g = 4:" .. 182 "bar_v = 9:" .. 183 "sono_v = 17:" .. 184 "axisfile = data\\\\:'" .. axis_0 .. "':" .. 185 "font = 'Nimbus Mono L,Courier New,mono|bold':" .. 186 "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))':" .. 187 "tc = 0.33:" .. 188 "attack = 0.033:" .. 189 "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)))'," .. 190 "format = yuv420p [vo]" 191 192 193 elseif name == "avectorscope" then 194 return "[aid1] asplit [ao]," .. 195 "afifo," .. 196 "aformat =" .. 197 "sample_rates = 192000," .. 198 "avectorscope =" .. 199 "size =" .. w .. "x" .. h .. ":" .. 200 "r =" .. fps .. "," .. 201 "format = rgb0 [vo]" 202 203 204 elseif name == "showspectrum" then 205 return "[aid1] asplit [ao]," .. 206 "afifo," .. 207 "showspectrum =" .. 208 "size =" .. w .. "x" .. h .. ":" .. 209 "win_func = blackman [vo]" 210 211 212 elseif name == "showcqtbar" then 213 local axis_h = math.ceil(w * 12 / 1920) * 4 214 215 return "[aid1] asplit [ao]," .. 216 "afifo, aformat = channel_layouts = stereo," .. 217 "firequalizer =" .. 218 "gain = '1.4884e8 * f*f*f / (f*f + 424.36) / (f*f + 1.4884e8) / sqrt(f*f + 25122.25)':" .. 219 "scale = linlin:" .. 220 "wfunc = tukey:" .. 221 "zero_phase = on:" .. 222 "fft2 = on," .. 223 "showcqt =" .. 224 "fps =" .. fps .. ":" .. 225 "size =" .. w .. "x" .. (h + axis_h)/2 .. ":" .. 226 "count = 1:" .. 227 "csp = bt709:" .. 228 "bar_g = 2:" .. 229 "sono_g = 4:" .. 230 "bar_v = 9:" .. 231 "sono_v = 17:" .. 232 "sono_h = 0:" .. 233 "axisfile = data\\\\:'" .. axis_1 .. "':" .. 234 "axis_h =" .. axis_h .. ":" .. 235 "font = 'Nimbus Mono L,Courier New,mono|bold':" .. 236 "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))':" .. 237 "tc = 0.33:" .. 238 "attack = 0.033:" .. 239 "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)))'," .. 240 "format = yuv420p," .. 241 "split [v0]," .. 242 "crop =" .. 243 "h =" .. (h - axis_h)/2 .. ":" .. 244 "y = 0," .. 245 "vflip [v1];" .. 246 "[v0][v1] vstack [vo]" 247 248 249 elseif name == "showwaves" then 250 return "[aid1] asplit [ao]," .. 251 "afifo," .. 252 "showwaves =" .. 253 "size =" .. w .. "x" .. h .. ":" .. 254 "r =" .. fps .. ":" .. 255 "mode = p2p," .. 256 "format = rgb0 [vo]" 257 elseif name == "off" then 258 return "[aid1] afifo [ao]; [vid1] fifo [vo]" 259 end 260 261 msg.log("error", "invalid visualizer name") 262 return "" 263 end 264 265 local function select_visualizer(atrack, vtrack, albumart) 266 if opts.mode == "off" then 267 return "" 268 elseif opts.mode == "force" then 269 return get_visualizer(opts.name, opts.quality) 270 elseif opts.mode == "noalbumart" then 271 if albumart == 0 and vtrack == 0 then 272 return get_visualizer(opts.name, opts.quality) 273 end 274 return "" 275 elseif opts.mode == "novideo" then 276 if vtrack == 0 then 277 return get_visualizer(opts.name, opts.quality) 278 end 279 return "" 280 end 281 282 msg.log("error", "invalid mode") 283 return "" 284 end 285 286 local function visualizer_hook() 287 local count = mp.get_property_number("track-list/count", -1) 288 local atrack = 0 289 local vtrack = 0 290 local albumart = 0 291 if count <= 0 then 292 return 293 end 294 for tr = 0,count-1 do 295 if mp.get_property("track-list/" .. tr .. "/type") == "audio" then 296 atrack = atrack + 1 297 else 298 if mp.get_property("track-list/" .. tr .. "/type") == "video" then 299 if mp.get_property("track-list/" .. tr .. "/albumart") == "yes" then 300 albumart = albumart + 1 301 else 302 vtrack = vtrack + 1 303 end 304 end 305 end 306 end 307 308 mp.set_property("options/lavfi-complex", select_visualizer(atrack, vtrack, albumart)) 309 end 310 311 mp.add_hook("on_preloaded", 50, visualizer_hook) 312 313 local function cycle_visualizer() 314 local i, index = 1 315 for i = 1, #visualizer_name_list do 316 if (visualizer_name_list[i] == opts.name) then 317 index = i + 1 318 if index > #visualizer_name_list then 319 index = 1 320 end 321 break 322 end 323 end 324 opts.name = visualizer_name_list[index] 325 visualizer_hook() 326 end 327 328 mp.add_key_binding(cycle_key, "cycle-visualizer", cycle_visualizer)