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| # ========== CONFIGURATION FILE FOR MPV-GIF.LUA ========== | ||
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| # Sets the output directory | ||
| dir= | ||
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| # Sets the resolution of the output GIFs | ||
| rez=1920 | ||
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| # Sets the framerate of the output gifs. Default is 15. Don't go too overboard or the filesize will balloon | ||
| fps=23 |
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| -- Original by Ruin0x11 | ||
| -- Ported to Windows by Scheliux, Dragoner7 | ||
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| -- Create animated GIFs with mpv | ||
| -- Requires ffmpeg. | ||
| -- Adapted from http://blog.pkh.me/p/21-high-quality-gif-with-ffmpeg.html | ||
| -- Usage: "b" to set start frame, "B" to set end frame, "Ctrl+b" to create. | ||
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| require 'mp.options' | ||
| local msg = require 'mp.msg' | ||
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| local options = { | ||
| dir = "C:/Program Files/mpv/gifs", | ||
| rez = 600, | ||
| fps = 15, | ||
| } | ||
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| read_options(options, "gif") | ||
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| local fps | ||
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| -- Check for invalid fps values | ||
| -- Can you believe Lua doesn't have a proper ternary operator in the year of our lord 2020? | ||
| if options.fps ~= nil and options.fps >= 1 and options.fps < 30 then | ||
| fps = options.fps | ||
| else | ||
| fps = 15 | ||
| end | ||
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| -- Set this to the filters to pass into ffmpeg's -vf option. | ||
| -- filters="fps=24,scale=320:-1:flags=spline" | ||
| filters=string.format("fps=%s,scale='trunc(ih*dar/2)*2:trunc(ih/2)*2',setsar=1/1,scale=%s:-1:flags=spline", fps, options.rez) --change spline to lanczos depending on preference | ||
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| -- Setup output directory | ||
| output_directory=string.gsub(options.dir, '\"', '') | ||
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| start_time = -1 | ||
| end_time = -1 | ||
| palette="%TEMP%palette.png" | ||
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| -- The roundabout way has to be used due to a some weird | ||
| -- behavior with %TEMP% on the subtitles= parameter in ffmpeg | ||
| -- on Windows–it needs to be quadruple backslashed | ||
| subs = "C:/Users/%USERNAME%/AppData/Local/Temp/subs.srt" | ||
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| function make_gif_with_subtitles() | ||
| make_gif_internal(true) | ||
| end | ||
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| function make_gif() | ||
| make_gif_internal(false) | ||
| end | ||
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| function table_length(t) | ||
| local count = 0 | ||
| for _ in pairs(t) do count = count + 1 end | ||
| return count | ||
| end | ||
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| function make_gif_internal(burn_subtitles) | ||
| local start_time_l = start_time | ||
| local end_time_l = end_time | ||
| if start_time_l == -1 or end_time_l == -1 or start_time_l >= end_time_l then | ||
| mp.osd_message("Invalid start/end time.") | ||
| return | ||
| end | ||
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| mp.osd_message("Creating GIF.") | ||
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| -- shell escape | ||
| function esc(s) | ||
| return string.gsub(s, '"', '"\\""') | ||
| end | ||
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| function esc_for_sub(s) | ||
| s = string.gsub(s, [[\]], [[/]]) | ||
| s = string.gsub(s, '"', '"\\""') | ||
| s = string.gsub(s, ":", [[\\:]]) | ||
| s = string.gsub(s, "'", [[\\']]) | ||
| return s | ||
| end | ||
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| local pathname = mp.get_property("path", "") | ||
| local trim_filters = esc(filters) | ||
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| local position = start_time_l | ||
| local duration = end_time_l - start_time_l | ||
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| if burn_subtitles then | ||
| -- Determine currently active sub track | ||
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| local i = 0 | ||
| local tracks_count = mp.get_property_number("track-list/count") | ||
| local subs_array = {} | ||
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| -- check for subtitle tracks | ||
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| while i < tracks_count do | ||
| local type = mp.get_property(string.format("track-list/%d/type", i)) | ||
| local selected = mp.get_property(string.format("track-list/%d/selected", i)) | ||
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| -- if it's a sub track, save it | ||
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| if type == "sub" then | ||
| local length = table_length(subs_array) | ||
| subs_array[length] = selected == "yes" | ||
| end | ||
| i = i + 1 | ||
| end | ||
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| if table_length(subs_array) > 0 then | ||
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| local correct_track = 0 | ||
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| -- iterate through saved subtitle tracks until the correct one is found | ||
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| for index, is_selected in pairs(subs_array) do | ||
| if (is_selected) then | ||
| correct_track = index | ||
| end | ||
| end | ||
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| trim_filters = trim_filters .. string.format(",subtitles=%s:si=%s", esc_for_sub(pathname), correct_track) | ||
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| end | ||
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| end | ||
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| -- first, create the palette | ||
| args = string.format('ffmpeg -v warning -ss %s -t %s -i "%s" -vf "%s,palettegen" -y "%s"', position, duration, esc(pathname), esc(trim_filters), esc(palette)) | ||
| msg.debug(args) | ||
| os.execute(args) | ||
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| -- then, make the gif | ||
| local filename = mp.get_property("filename/no-ext") | ||
| local file_path = output_directory .. "/" .. filename | ||
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| -- increment filename | ||
| for i=0,999 do | ||
| local fn = string.format('%s_%03d.gif',file_path,i) | ||
| if not file_exists(fn) then | ||
| gifname = fn | ||
| break | ||
| end | ||
| end | ||
| if not gifname then | ||
| mp.osd_message('No available filenames!') | ||
| return | ||
| end | ||
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| local copyts = "" | ||
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| if burn_subtitles then | ||
| copyts = "-copyts" | ||
| end | ||
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| args = string.format('ffmpeg -v warning -ss %s %s -t %s -i "%s" -i "%s" -lavfi "%s [x]; [x][1:v] paletteuse" -y "%s"', position, copyts, duration, esc(pathname), esc(palette), esc(trim_filters), esc(gifname)) | ||
| os.execute(args) | ||
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| local ok, err, code = os.rename(gifname, gifname) | ||
| if ok then | ||
| msg.info("GIF created: " .. gifname) | ||
| mp.osd_message("GIF created: " .. gifname) | ||
| else | ||
| mp.osd_message("Error creating file, check CLI for more info.") | ||
| end | ||
| end | ||
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| function set_gif_start() | ||
| start_time = mp.get_property_number("time-pos", -1) | ||
| mp.osd_message("GIF Start: " .. start_time) | ||
| end | ||
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| function set_gif_end() | ||
| end_time = mp.get_property_number("time-pos", -1) | ||
| mp.osd_message("GIF End: " .. end_time) | ||
| end | ||
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| function file_exists(name) | ||
| local f=io.open(name,"r") | ||
| if f~=nil then io.close(f) return true else return false end | ||
| end | ||
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| mp.add_key_binding("b", "set_gif_start", set_gif_start) | ||
| mp.add_key_binding("B", "set_gif_end", set_gif_end) | ||
| mp.add_key_binding("Ctrl+b", "make_gif", make_gif) | ||
| mp.add_key_binding("Ctrl+B", "make_gif_with_subtitles", make_gif_with_subtitles) |