commit 4abde0061a34f30d6a972f1ece0cd97bb51e3c32
parent ce6a82b0d3e40ce1877c5762dc847921a54ba536
Author: Alex Balgavy <a.balgavy@gmail.com>
Date: Sun, 2 Aug 2020 14:09:15 +0200
mpv: script to change youtube video quality
Former-commit-id: dbd8e137d151cd01f8bbd39d0a27aa0ee9d040cc
Diffstat:
3 files changed, 323 insertions(+), 0 deletions(-)
diff --git a/mpv/mpv.conf b/mpv/mpv.conf
@@ -1,2 +1,3 @@
# Start at 50% volume
volume=50
+osd-font-size=24
diff --git a/mpv/script-opts/youtube-quality.conf b/mpv/script-opts/youtube-quality.conf
@@ -0,0 +1,44 @@
+# KEY BINDINGS
+
+# invoke or dismiss the quality menu
+toggle_menu_binding=ctrl+f
+# move the menu cursor up
+up_binding=UP
+# move the menu cursor down
+down_binding=DOWN
+# select menu entry
+select_binding=ENTER
+
+# formatting / cursors
+selected_and_active=▶ -
+selected_and_inactive=● -
+unselected_and_active=▷ -
+unselected_and_inactive=○ -
+
+# font size scales by window, if false requires larger font and padding sizes
+scale_playlist_by_window=yes
+
+# playlist ass style overrides inside curly brackets, \keyvalue is one field, extra \ for escape in lua
+# example {\\fnUbuntu\\fs10\\b0\\bord1} equals: font=Ubuntu, size=10, bold=no, border=1
+# read http://docs.aegisub.org/3.2/ASS_Tags/ for reference of tags
+# undeclared tags will use default osd settings
+# these styles will be used for the whole playlist. More specific styling will need to be hacked in
+#
+# (a monospaced font is recommended but not required)
+style_ass_tags={\\fnmonospace}
+
+# paddings for top left corner
+text_padding_x=5
+text_padding_y=5
+
+# how many seconds until the quality menu times out
+menu_timeout=10
+
+#use youtube-dl to fetch a list of available formats (overrides quality_strings)
+fetch_formats=yes
+
+# list of ytdl-format strings to choose from
+quality_strings=[ {"4320p" : "bestvideo[height<=?4320]+bestaudio/best"}, {"2160p" : "bestvideo[height<=?2160]+bestaudio/best"}, {"1440p" : "bestvideo[height<=?1440]+bestaudio/best"}, {"1080p" : "bestvideo[height<=?1080]+bestaudio/best"}, {"720p" : "bestvideo[height<=?720]+bestaudio/best"}, {"480p" : "bestvideo[height<=?480]+bestaudio/best"}, {"360p" : "bestvideo[height<=?360]+bestaudio/best"}, {"240p" : "bestvideo[height<=?240]+bestaudio/best"}, {"144p" : "bestvideo[height<=?144]+bestaudio/best"} ]
+
+# default settings for ytdl. mpv.conf shouldn't contain ytdl-format settings as it conflicts with this script
+ytdl_format=bestvideo+bestaudio/best+
\ No newline at end of file
diff --git a/mpv/scripts/youtube-quality.lua b/mpv/scripts/youtube-quality.lua
@@ -0,0 +1,277 @@
+-- youtube-quality.lua
+--
+-- Change youtube video quality on the fly.
+--
+-- Diplays a menu that lets you switch to different ytdl-format settings while
+-- you're in the middle of a video (just like you were using the web player).
+--
+-- Bound to ctrl-f by default.
+
+local mp = require 'mp'
+local utils = require 'mp.utils'
+local msg = require 'mp.msg'
+local assdraw = require 'mp.assdraw'
+
+local opts = {
+ --key bindings
+ toggle_menu_binding = "ctrl+f",
+ up_binding = "UP",
+ down_binding = "DOWN",
+ select_binding = "ENTER",
+ ytdl_format = "bestvideo+bestaudio/best",
+
+ --formatting / cursors
+ selected_and_active = "▶ - ",
+ selected_and_inactive = "● - ",
+ unselected_and_active = "▷ - ",
+ unselected_and_inactive = "○ - ",
+
+ --font size scales by window, if false requires larger font and padding sizes
+ scale_playlist_by_window=false,
+
+ --playlist ass style overrides inside curly brackets, \keyvalue is one field, extra \ for escape in lua
+ --example {\\fnUbuntu\\fs10\\b0\\bord1} equals: font=Ubuntu, size=10, bold=no, border=1
+ --read http://docs.aegisub.org/3.2/ASS_Tags/ for reference of tags
+ --undeclared tags will use default osd settings
+ --these styles will be used for the whole playlist. More specific styling will need to be hacked in
+ --
+ --(a monospaced font is recommended but not required)
+ style_ass_tags = "{\\fnmonospace}",
+
+ --paddings for top left corner
+ text_padding_x = 5,
+ text_padding_y = 5,
+
+ --other
+ menu_timeout = 10,
+
+ --use youtube-dl to fetch a list of available formats (overrides quality_strings)
+ fetch_formats = true,
+
+ --default menu entries
+ quality_strings=[[
+ [
+ {"4320p" : "bestvideo[height<=?4320p]+bestaudio/best"},
+ {"2160p" : "bestvideo[height<=?2160]+bestaudio/best"},
+ {"1440p" : "bestvideo[height<=?1440]+bestaudio/best"},
+ {"1080p" : "bestvideo[height<=?1080]+bestaudio/best"},
+ {"720p" : "bestvideo[height<=?720]+bestaudio/best"},
+ {"480p" : "bestvideo[height<=?480]+bestaudio/best"},
+ {"360p" : "bestvideo[height<=?360]+bestaudio/best"},
+ {"240p" : "bestvideo[height<=?240]+bestaudio/best"},
+ {"144p" : "bestvideo[height<=?144]+bestaudio/best"}
+ ]
+ ]],
+}
+(require 'mp.options').read_options(opts, "youtube-quality")
+opts.quality_strings = utils.parse_json(opts.quality_strings)
+
+local destroyer = nil
+
+mp.set_property("ytdl-format",opts.ytdl_format)
+
+function show_menu()
+ local selected = 1
+ local active = 0
+ local current_ytdl_format = mp.get_property("ytdl-format")
+ msg.verbose("current ytdl-format: "..current_ytdl_format)
+ local num_options = 0
+ local options = {}
+
+
+ if opts.fetch_formats then
+ options, num_options = download_formats()
+ end
+
+ if next(options) == nil then
+ for i,v in ipairs(opts.quality_strings) do
+ num_options = num_options + 1
+ for k,v2 in pairs(v) do
+ options[i] = {label = k, format=v2}
+ if v2 == current_ytdl_format then
+ active = i
+ selected = active
+ end
+ end
+ end
+ end
+
+ --set the cursor to the currently format
+ for i,v in ipairs(options) do
+ if v.format == current_ytdl_format then
+ active = i
+ selected = active
+ break
+ end
+ end
+
+ function selected_move(amt)
+ selected = selected + amt
+ if selected < 1 then selected = num_options
+ elseif selected > num_options then selected = 1 end
+ timeout:kill()
+ timeout:resume()
+ draw_menu()
+ end
+ function choose_prefix(i)
+ if i == selected and i == active then return opts.selected_and_active
+ elseif i == selected then return opts.selected_and_inactive end
+
+ if i ~= selected and i == active then return opts.unselected_and_active
+ elseif i ~= selected then return opts.unselected_and_inactive end
+ return "> " --shouldn't get here.
+ end
+
+ function draw_menu()
+ local ass = assdraw.ass_new()
+
+ ass:pos(opts.text_padding_x, opts.text_padding_y)
+ ass:append(opts.style_ass_tags)
+
+ for i,v in ipairs(options) do
+ ass:append(choose_prefix(i)..v.label.."\\N")
+ end
+
+ local w, h = mp.get_osd_size()
+ if opts.scale_playlist_by_window then w,h = 0, 0 end
+ mp.set_osd_ass(w, h, ass.text)
+ end
+
+ function destroy()
+ timeout:kill()
+ mp.set_osd_ass(0,0,"")
+ mp.remove_key_binding("move_up")
+ mp.remove_key_binding("move_down")
+ mp.remove_key_binding("select")
+ mp.remove_key_binding("escape")
+ destroyer = nil
+ end
+ timeout = mp.add_periodic_timer(opts.menu_timeout, destroy)
+ destroyer = destroy
+
+ mp.add_forced_key_binding(opts.up_binding, "move_up", function() selected_move(-1) end, {repeatable=true})
+ mp.add_forced_key_binding(opts.down_binding, "move_down", function() selected_move(1) end, {repeatable=true})
+ mp.add_forced_key_binding(opts.select_binding, "select", function()
+ destroy()
+ mp.set_property("ytdl-format", options[selected].format)
+ reload_resume()
+ end)
+ mp.add_forced_key_binding(opts.toggle_menu_binding, "escape", destroy)
+
+ draw_menu()
+ return
+end
+
+local ytdl = {
+ path = "youtube-dl",
+ searched = false,
+ blacklisted = {}
+}
+
+format_cache={}
+function download_formats()
+ local function exec(args)
+ local ret = utils.subprocess({args = args})
+ return ret.status, ret.stdout, ret
+ end
+
+ local function table_size(t)
+ s = 0
+ for i,v in ipairs(t) do
+ s = s+1
+ end
+ return s
+ end
+
+ local url = mp.get_property("path")
+
+ url = string.gsub(url, "ytdl://", "") -- Strip possible ytdl:// prefix.
+
+ -- don't fetch the format list if we already have it
+ if format_cache[url] ~= nil then
+ local res = format_cache[url]
+ return res, table_size(res)
+ end
+ mp.osd_message("fetching available formats with youtube-dl...", 60)
+
+ if not (ytdl.searched) then
+ local ytdl_mcd = mp.find_config_file("youtube-dl")
+ if not (ytdl_mcd == nil) then
+ msg.verbose("found youtube-dl at: " .. ytdl_mcd)
+ ytdl.path = ytdl_mcd
+ end
+ ytdl.searched = true
+ end
+
+ local command = {ytdl.path, "--no-warnings", "--no-playlist", "-J"}
+ table.insert(command, url)
+ local es, json, result = exec(command)
+
+ if (es < 0) or (json == nil) or (json == "") then
+ mp.osd_message("fetching formats failed...", 1)
+ msg.error("failed to get format list: " .. err)
+ return {}, 0
+ end
+
+ local json, err = utils.parse_json(json)
+
+ if (json == nil) then
+ mp.osd_message("fetching formats failed...", 1)
+ msg.error("failed to parse JSON data: " .. err)
+ return {}, 0
+ end
+
+ res = {}
+ msg.verbose("youtube-dl succeeded!")
+ for i,v in ipairs(json.formats) do
+ if v.vcodec ~= "none" then
+ local fps = v.fps and v.fps.."fps" or ""
+ local resolution = string.format("%sx%s", v.width, v.height)
+ local l = string.format("%-9s %-5s (%-4s / %s)", resolution, fps, v.ext, v.vcodec)
+ local f = string.format("%s+bestaudio/best", v.format_id)
+ table.insert(res, {label=l, format=f, width=v.width })
+ end
+ end
+
+ table.sort(res, function(a, b) return a.width > b.width end)
+
+ mp.osd_message("", 0)
+ format_cache[url] = res
+ return res, table_size(res)
+end
+
+
+-- register script message to show menu
+mp.register_script_message("toggle-quality-menu",
+function()
+ if destroyer ~= nil then
+ destroyer()
+ else
+ show_menu()
+ end
+end)
+
+-- keybind to launch menu
+mp.add_key_binding(opts.toggle_menu_binding, "quality-menu", show_menu)
+
+-- special thanks to reload.lua (https://github.com/4e6/mpv-reload/)
+function reload_resume()
+ local playlist_pos = mp.get_property_number("playlist-pos")
+ local reload_duration = mp.get_property_native("duration")
+ local time_pos = mp.get_property("time-pos")
+
+ mp.set_property_number("playlist-pos", playlist_pos)
+
+ -- Tries to determine live stream vs. pre-recordered VOD. VOD has non-zero
+ -- duration property. When reloading VOD, to keep the current time position
+ -- we should provide offset from the start. Stream doesn't have fixed start.
+ -- Decent choice would be to reload stream from it's current 'live' positon.
+ -- That's the reason we don't pass the offset when reloading streams.
+ if reload_duration and reload_duration > 0 then
+ local function seeker()
+ mp.commandv("seek", time_pos, "absolute")
+ mp.unregister_event(seeker)
+ end
+ mp.register_event("file-loaded", seeker)
+ end
+end