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Improve blur-edges.lua #82

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87 changes: 49 additions & 38 deletions scripts/blur-edges.lua
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Original file line number Diff line number Diff line change
@@ -1,13 +1,13 @@
local options = require 'mp.options'

local opts = {
blur_radius = 10,
blur_radius = 255,
blur_power = 10,
minimum_black_bar_size = 3,
mode = "all",
active = true,
reapply_delay = 0.5,
watch_later_fix = false,
watch_later_fix = true,
only_fullscreen = true,
}
options.read_options(opts)
Expand All @@ -16,22 +16,18 @@ local active = opts.active
local applied = false

function set_lavfi_complex(filter)
if not filter and mp.get_property("lavfi-complex") == "" then return end
local force_window = mp.get_property("force-window")
local sub = mp.get_property("sub")
mp.set_property("force-window", "yes")
if not filter then
mp.set_property("lavfi-complex", "")
mp.set_property("vid", "1")
else
if not opts.watch_later_fix then
mp.set_property("vid", "no")
end
mp.set_property("lavfi-complex", filter)
end
mp.set_property("sub", "no")
mp.commandv(
"vf",
"add",
string.format('@blur-edges:lavfi=[%s]', filter)
)

-- mp.set_property("sub", "no")
mp.set_property("force-window", force_window)
mp.set_property("sub", sub)
-- mp.set_property("sub", sub)
end

function set_blur()
Expand All @@ -41,82 +37,93 @@ function set_blur()
local video_aspect = mp.get_property_number("video-aspect-override")
local ww, wh = mp.get_osd_size()

if math.abs(ww/wh - video_aspect) < 0.05 then return end
if opts.mode == "horizontal" and ww/wh < video_aspect then return end
if opts.mode == "vertical" and ww/wh > video_aspect then return end
if math.abs(ww / wh - video_aspect) < 0.05 then return end
if opts.mode == "horizontal" and ww / wh < video_aspect then return end
if opts.mode == "vertical" and ww / wh > video_aspect then return end

-- local par = mp.get_property_number("video-params/par")
-- local height = mp.get_property_number("video-params/h")
-- local width = mp.get_property_number("video-params/w")
local par = 1
local height = mp.get_property_number("height")
local width = mp.get_property_number("width")
-- print("video_aspect", video_aspect, "\n",
-- "ww", ww, "wh", wh, "\n",
-- "width", width, "height", height)

local par = mp.get_property_number("video-params/par")
local height = mp.get_property_number("video-params/h")
local width = mp.get_property_number("video-params/w")
if height == nil or width == nil or par == nil then return end

local split = "[vid1] split=3 [a] [v] [b]"
local split = "split=3 [a] [v] [b]"
local crop_format = "crop=%s:%s:%s:%s"
local scale_format = "scale=width=%s:height=%s:flags=neighbor"

local stack_direction, cropped_scaled_1, cropped_scaled_2, blur_size

if ww/wh > video_aspect then
blur_size = math.floor((ww/wh)*height/par-width)
if ww / wh > video_aspect then
blur_size = math.floor((ww / wh) * height / par - width)
local nudge = blur_size % 2
blur_size = blur_size / 2

local height_with_maximized_width = height / width * ww
local visible_height = math.floor(height * par * wh / height_with_maximized_width)
local visible_width = math.floor(blur_size * wh / height_with_maximized_width)

local cropped_1 = string.format(crop_format, visible_width, visible_height, "0", (height - visible_height)/2)
local cropped_1 = string.format(crop_format, visible_width, visible_height, "0", (height - visible_height) / 2)
local scaled_1 = string.format(scale_format, blur_size + nudge, height)
cropped_scaled_1 = cropped_1 .. "," .. scaled_1

local cropped_2 = string.format(crop_format, visible_width, visible_height, width - visible_width, (height - visible_height)/2)
local cropped_2 = string.format(crop_format, visible_width, visible_height, width - visible_width,
(height - visible_height) / 2)
local scaled_2 = string.format(scale_format, blur_size, height)
cropped_scaled_2 = cropped_2 .. "," .. scaled_2
stack_direction = "h"
else
blur_size = math.floor((wh/ww)*width*par-height)
blur_size = math.floor((wh / ww) * width * par - height)
local nudge = blur_size % 2
blur_size = blur_size / 2

local width_with_maximized_height = width / height * wh
local visible_width = math.floor(width * ww / width_with_maximized_height)
local visible_height = math.floor(blur_size * ww / width_with_maximized_height)

local cropped_1 = string.format(crop_format, visible_width, visible_height, (width - visible_width)/2, "0")
local cropped_1 = string.format(crop_format, visible_width, visible_height, (width - visible_width) / 2, "0")
local scaled_1 = string.format(scale_format, width, blur_size + nudge)
cropped_scaled_1 = cropped_1 .. "," .. scaled_1

local cropped_2 = string.format(crop_format, visible_width, visible_height, (width - visible_width)/2, height - visible_height)
local cropped_2 = string.format(crop_format, visible_width, visible_height, (width - visible_width) / 2,
height - visible_height)
local scaled_2 = string.format(scale_format, width, blur_size)
cropped_scaled_2 = cropped_2 .. "," .. scaled_2
stack_direction = "v"
end

if blur_size < math.max(1, opts.minimum_black_bar_size) then return end
local lr = math.min(opts.blur_radius, math.floor(blur_size/2)-1)
local cr = math.min(opts.blur_radius, math.floor(blur_size/4)-1)
local blur = string.format("boxblur=lr=%i:lp=%i:cr=%i:cp=%i",
lr, opts.blur_power, cr, opts.blur_power)
-- local lr = math.min(opts.blur_radius, math.floor(blur_size/2)-1)
-- local cr = math.min(opts.blur_radius, math.floor(blur_size/4)-1)
-- local blur = string.format("boxblur=lr=%i:lp=%i:cr=%i:cp=%i", lr, opts.blur_power, cr, opts.blur_power)
local blur = string.format("gblur=sigma=%i", opts.blur_radius)

zone_1 = string.format("[a] %s,%s [a_fin]", cropped_scaled_1, blur)
zone_2 = string.format("[b] %s,%s [b_fin]", cropped_scaled_2, blur)

local par_fix = "setsar=ratio=" .. tostring(par) .. ":max=10000"

stack = string.format("[a_fin] [v] [b_fin] %sstack=3,%s [vo]", stack_direction, par_fix)
stack = string.format("[a_fin] [v] [b_fin] %sstack=3,%s", stack_direction, par_fix)
filter = string.format("%s;%s;%s;%s", split, zone_1, zone_2, stack)
print("using filter:", filter)
set_lavfi_complex(filter)
applied = true
end

function unset_blur()
set_lavfi_complex()
mp.commandv("vf", "remove", "@blur-edges")
applied = false
end

local reapplication_timer = mp.add_timeout(opts.reapply_delay, set_blur)
reapplication_timer:kill()

function reset_blur(k,v)
function reset_blur(k, v)
unset_blur()
reapplication_timer:kill()
reapplication_timer:resume()
Expand All @@ -137,11 +144,15 @@ function toggle()
end
end

if active then
active = false
toggle()
function on_start()
if active then
active = false
toggle()
end
end

mp.register_event("file-loaded", on_start)

mp.add_key_binding(nil, "toggle-blur", toggle)
mp.add_key_binding(nil, "set-blur", set_blur)
mp.add_key_binding(nil, "unset-blur", unset_blur)