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script_name = "Chapter Generator"
script_description = "makes chapters"
script_author = "garret"
script_version = "2021-04-25"
language = "eng"
language_ietf = "en"
function ms_to_human(start) -- From Significance
timecode=math.floor(start/1000)
tc1=math.floor(timecode/60)
tc2=timecode%60
tc3=start%1000
tc4="00"
if tc2==60 then tc2=0 tc1=tc1+1 end
if tc1>119 then tc1=tc1-120 tc4="02" end
if tc1>59 then tc1=tc1-60 tc4="01" end
if tc1<10 then tc1="0"..tc1 end
if tc2<10 then tc2="0"..tc2 end
if tc3<100 then tc3="0"..tc3 end
linetime=tc4..":"..tc1..":"..tc2.."."..tc3
if linetime=="00:00:00.00" then linetime="00:00:00.033" end
return linetime
end
function get_sane_path()
script_path = aegisub.decode_path("?script")
audio_path = aegisub.decode_path("?audio")
video_path = aegisub.decode_path("?video")
if script_path ~= "?script" then
return script_path
elseif video_path ~= "?video" then
return video_path
elseif audio_path ~= "?audio" then
return audio_path
else
return nil
end
end
function main(sub)
local times = {}
local names = {}
for i=1,#sub do
local line = sub[i]
if line.class == "dialogue" then
if line.effect == "chapter" then
line.comment = true
table.insert(times, line.start_time)
table.insert(names, line.text)
sub[i] = line
end
end
end
aegisub.set_undo_point(script_name)
local chapters = "<?xml version=\"1.0\"?>\n<!-- <!DOCTYPE Chapters SYSTEM \"matroskachapters.dtd\"> -->\n<!-- generated by garret's chapter script -->\n<Chapters>\n <EditionEntry>\n"
for j, k in ipairs(times) do
local humantime = ms_to_human(k)
local name = names[j]
chapters = chapters.." <ChapterAtom>\n <ChapterTimeStart>"..humantime.."</ChapterTimeStart>\n <ChapterDisplay>\n <ChapterString>"..name.."</ChapterString>\n <ChapLanguageIETF>"..language_ietf.."</ChapLanguageIETF>\n <ChapterLanguage>"..language.."</ChapterLanguage>\n </ChapterDisplay>\n </ChapterAtom>\n"
end
chapters = chapters.." </EditionEntry>\n</Chapters>"
path = get_sane_path()
if path ~= nil then
local chapfile = io.open(path.."/chapters.xml", "w")
chapfile:write(chapters)
chapfile:close()
aegisub.log("saved to "..path.."/chapters.xml")
else
aegisub.log("<!-- couldn't find anywhere to save chapters, logging here - select everything below this message and copy+paste into a .xml file -->\n\n")
aegisub.log(chapters)
end
end
aegisub.register_macro(script_name, script_description, main)
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