aegisub-scripts/macros/karaoke2alpha.lua

69 lines
2.8 KiB
Lua

script_name="K-Timing -> Alpha Timing"
script_description="makes doing alpha timing significantly easier by getting rid of the part where you do alpha timing."
script_author = "garret"
script_version = "1.0.1"
include("utils.lua")
-- logging stuff, for testing
--[[inspect = require 'inspect' -- luarocks install inspect
function log(level, msg)
if type(level) ~= "number" then -- if no actual level provided
msg = level -- set the non-level as the message
level = 4 -- set log level - i'm using this for debugging, so 4 is relatively sane imo
end
if type(msg) == "table" then
msg = inspect(msg) -- actually see what's in the table
end
aegisub.log(level, tostring(msg) .. "\n")
end]]
-- i should really put this stuff in a separate file or something but cba
function get_visible(parsed_line, index)
local res = ""
for i=1,index do -- for every syl up to the current one
res = res..parsed_line[i].text -- add to the result
end
return res
end
function get_invisible(parsed_line, index)
local res = ""
for i=index+1,#parsed_line do -- for every syl from the next one to the end
res = res..parsed_line[i].text -- add to result
end
return res
end
function main(sub, sel)
for x=#sel,1,-1 do
local line=sub[sel[x]]
local parsed = aegisub.parse_karaoke_data(line) -- magic function that gets all the stuff about the karaoke
for i=1,#parsed do -- for every syl in the karaoke
visible = get_visible(parsed, i)
invisible = get_invisible(parsed, i)
if invisible ~= "" then -- if there's still invisible stuff left
text = visible.."{\\alpha&HFF&}"..invisible -- add an alpha tag and slap the invisible stuff on the end
else -- if it's all visible
text = visible -- don't need the alpha any more
end
local syl = parsed[i]
local new = util.copy(line)
new.text = text -- make a new line for this syl
-- set line start time
new.start_time = syl.start_time + line.start_time -- just the syl on its own returns the offset from the line
-- set line end time
if i ~= #parsed then -- if there's still invisible stuff left
new.end_time = syl.end_time + line.start_time -- end time is the syl's
else
new.end_time = line.end_time -- end time is the whole line's (i don't think this actually makes a difference but may as well)
end
sub.insert(sel[x] + i,new) -- add new lines (+1 line for first syl, +2 for 2nd syl, etc)
end
line.comment = true -- don't want to see the karaoke any more
sub[sel[x]]=line
end
aegisub.set_undo_point(script_name)
end
aegisub.register_macro(script_name, script_description, main)