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local utils = require 'mp.utils'
local msg = require 'mp.msg'
local ytdl = {
path = "youtube-dl",
minver = "2015.02.23.1",
vercheck = nil,
}
local function exec(args)
local ret = utils.subprocess({args = args})
return ret.status, ret.stdout
end
-- return if it was explicitly set on the command line
local function option_was_set(name)
return mp.get_property_bool("option-info/" .. name .. "/set-from-commandline",
false)
end
-- youtube-dl may set special http headers for some sites (user-agent, cookies)
local function set_http_headers(http_headers)
if not http_headers then
return
end
local headers = {}
local useragent = http_headers["User-Agent"]
if useragent and not option_was_set("user-agent") then
mp.set_property("file-local-options/user-agent", useragent)
end
local cookies = http_headers["Cookie"]
if cookies then
headers[#headers + 1] = "Cookie: " .. cookies
end
if #headers > 0 and not option_was_set("http-header-fields") then
mp.set_property_native("file-local-options/http-header-fields", headers)
end
end
mp.add_hook("on_load", 10, function ()
local url = mp.get_property("stream-open-filename")
if (url:find("http://") == 1) or (url:find("https://") == 1)
or (url:find("ytdl://") == 1) then
-- check version of youtube-dl if not done yet
if (ytdl.vercheck == nil) then
-- check for youtube-dl in mpv's config dir
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
msg.debug("checking ytdl version ...")
local es, version = exec({ytdl.path, "--version"})
if (es < 0) then
msg.warn("youtube-dl not found, not executable, or broken.")
ytdl.vercheck = false
elseif (version < ytdl.minver) then
msg.verbose("found youtube-dl version: " .. version)
msg.warn("Your version of youtube-dl is too old! "
.. "You need at least version '"..ytdl.minver
.. "', try running `youtube-dl -U`.")
ytdl.vercheck = false
else
msg.verbose("found youtube-dl version: " .. version)
ytdl.vercheck = true
end
end
if not (ytdl.vercheck) then
return
end
-- strip ytdl://
if (url:find("ytdl://") == 1) then
url = url:sub(8)
end
local format = mp.get_property("options/ytdl-format")
-- subformat workaround
local subformat = "ass/srt/best"
local command = {
ytdl.path, "--no-warnings", "-J", "--flat-playlist", "--all-subs",
"--sub-format", subformat, "--no-playlist"
}
if (format ~= "") then
table.insert(command, "--format")
table.insert(command, format)
end
table.insert(command, "--")
table.insert(command, url)
local es, json = exec(command)
if (es < 0) or (json == nil) or (json == "") then
msg.warn("youtube-dl failed, trying to play URL directly ...")
return
end
local json, err = utils.parse_json(json)
if (json == nil) then
msg.error("failed to parse JSON data: " .. err)
return
end
msg.verbose("youtube-dl succeeded!")
-- what did we get?
if not (json["direct"] == nil) and (json["direct"] == true) then
-- direct URL, nothing to do
msg.verbose("Got direct URL")
return
elseif not (json["_type"] == nil) and (json["_type"] == "playlist") then
-- a playlist
if (#json.entries == 0) then
msg.warn("Got empty playlist, nothing to play.")
return
end
-- some funky guessing to detect multi-arc videos
if not (json.entries[1]["webpage_url"] == nil)
and (json.entries[1]["webpage_url"] == json["webpage_url"]) then
msg.verbose("multi-arc video detected, building EDL")
local playlist = "edl://"
for i, entry in pairs(json.entries) do
playlist = playlist .. entry.url .. ";"
end
msg.debug("EDL: " .. playlist)
-- can't change the http headers for each entry, so use the 1st
if json.entries[1] then
set_http_headers(json.entries[1].http_headers)
end
mp.set_property("stream-open-filename", playlist)
if not (json.title == nil) then
mp.set_property("file-local-options/media-title", json.title)
end
else
local playlist = "#EXTM3U\n"
for i, entry in pairs(json.entries) do
local site = entry.url
-- some extractors will still return the full info for
-- all clips in the playlist and the URL will point
-- directly to the file in that case, which we don't
-- want so get the webpage URL instead, which is what
-- we want
if not (entry["webpage_url"] == nil) then
site = entry["webpage_url"]
end
playlist = playlist .. "ytdl://" .. site .. "\n"
end
mp.set_property("stream-open-filename", "memory://" .. playlist)
end
else -- probably a video
local streamurl = ""
-- DASH?
if not (json["requested_formats"] == nil) then
msg.info("Using DASH, expect inaccurate duration.")
if not (json.duration == nil) then
msg.info("Actual duration: " .. mp.format_time(json.duration))
end
-- video url
streamurl = json["requested_formats"][1].url
-- audio url
mp.set_property("file-local-options/audio-file",
json["requested_formats"][2].url)
-- workaround for slow startup (causes inaccurate duration)
mp.set_property("file-local-options/demuxer-lavf-o",
"fflags=+ignidx")
elseif not (json.url == nil) then
-- normal video
streamurl = json.url
set_http_headers(json.http_headers)
else
msg.error("No URL found in JSON data.")
return
end
msg.debug("streamurl: " .. streamurl)
mp.set_property("stream-open-filename", streamurl)
mp.set_property("file-local-options/media-title", json.title)
-- add subtitles
if not (json.requested_subtitles == nil) then
for lang, sub_info in pairs(json.requested_subtitles) do
msg.verbose("adding subtitle ["..lang.."]")
local slang = lang
if (lang:len() > 3) then
slang = lang:sub(1,2)
end
if not (sub_info.data == nil) then
sub = "memory://"..sub_info.data
else
sub = sub_info.url
end
mp.commandv("sub_add", sub,
"auto", lang.." "..sub_info.ext, slang)
end
end
-- for rtmp
if not (json.play_path == nil) then
mp.set_property("file-local-options/stream-lavf-o",
"rtmp_tcurl=\""..streamurl..
"\",rtmp_playpath=\""..json.play_path.."\"")
end
end
end
end)
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