mirror of https://github.com/mpv-player/mpv
746 lines
24 KiB
Lua
746 lines
24 KiB
Lua
local utils = require 'mp.utils'
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local msg = require 'mp.msg'
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local options = require 'mp.options'
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local o = {
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exclude = "",
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try_ytdl_first = false,
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use_manifests = false
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}
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options.read_options(o)
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local ytdl = {
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path = "youtube-dl",
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searched = false,
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blacklisted = {}
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}
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local chapter_list = {}
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function Set (t)
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local set = {}
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for _, v in pairs(t) do set[v] = true end
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return set
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end
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local safe_protos = Set {
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"http", "https", "ftp", "ftps",
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"rtmp", "rtmps", "rtmpe", "rtmpt", "rtmpts", "rtmpte",
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"data"
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}
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-- Codec name as reported by youtube-dl mapped to mpv internal codec names.
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local map_codec_to_mpv = {
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["vtt"] = "webvtt",
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}
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local function exec(args)
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local ret = mp.command_native({name = "subprocess",
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args = args,
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capture_stdout = true,
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capture_stderr = true})
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return ret.status, ret.stdout, ret, ret.killed_by_us
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end
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-- return true if it was explicitly set on the command line
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local function option_was_set(name)
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return mp.get_property_bool("option-info/" ..name.. "/set-from-commandline",
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false)
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end
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-- return true if the option was set locally
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local function option_was_set_locally(name)
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return mp.get_property_bool("option-info/" ..name.. "/set-locally", false)
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end
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-- youtube-dl may set special http headers for some sites (user-agent, cookies)
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local function set_http_headers(http_headers)
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if not http_headers then
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return
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end
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local headers = {}
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local useragent = http_headers["User-Agent"]
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if useragent and not option_was_set("user-agent") then
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mp.set_property("file-local-options/user-agent", useragent)
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end
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local additional_fields = {"Cookie", "Referer", "X-Forwarded-For"}
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for idx, item in pairs(additional_fields) do
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local field_value = http_headers[item]
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if field_value then
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headers[#headers + 1] = item .. ": " .. field_value
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end
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end
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if #headers > 0 and not option_was_set("http-header-fields") then
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mp.set_property_native("file-local-options/http-header-fields", headers)
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end
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end
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local function append_libav_opt(props, name, value)
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if not props then
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props = {}
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end
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if name and value and not props[name] then
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props[name] = value
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end
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return props
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end
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local function edl_escape(url)
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return "%" .. string.len(url) .. "%" .. url
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end
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local function url_is_safe(url)
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local proto = type(url) == "string" and url:match("^(.+)://") or nil
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local safe = proto and safe_protos[proto]
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if not safe then
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msg.error(("Ignoring potentially unsafe url: '%s'"):format(url))
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end
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return safe
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end
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local function time_to_secs(time_string)
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local ret
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local a, b, c = time_string:match("(%d+):(%d%d?):(%d%d)")
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if a ~= nil then
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ret = (a*3600 + b*60 + c)
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else
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a, b = time_string:match("(%d%d?):(%d%d)")
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if a ~= nil then
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ret = (a*60 + b)
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end
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end
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return ret
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end
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local function extract_chapters(data, video_length)
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local ret = {}
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for line in data:gmatch("[^\r\n]+") do
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local time = time_to_secs(line)
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if time and (time < video_length) then
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table.insert(ret, {time = time, title = line})
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end
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end
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table.sort(ret, function(a, b) return a.time < b.time end)
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return ret
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end
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local function is_blacklisted(url)
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if o.exclude == "" then return false end
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if #ytdl.blacklisted == 0 then
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local joined = o.exclude
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while joined:match('%|?[^|]+') do
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local _, e, substring = joined:find('%|?([^|]+)')
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table.insert(ytdl.blacklisted, substring)
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joined = joined:sub(e+1)
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end
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end
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if #ytdl.blacklisted > 0 then
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url = url:match('https?://(.+)')
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for _, exclude in ipairs(ytdl.blacklisted) do
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if url:match(exclude) then
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msg.verbose('URL matches excluded substring. Skipping.')
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return true
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end
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end
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end
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return false
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end
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local function parse_yt_playlist(url, json)
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-- return 0-based index to use with --playlist-start
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if not json.extractor or json.extractor ~= "youtube:playlist" then
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return nil
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end
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local query = url:match("%?.+")
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if not query then return nil end
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local args = {}
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for arg, param in query:gmatch("(%a+)=([^&?]+)") do
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if arg and param then
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args[arg] = param
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end
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end
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local maybe_idx = tonumber(args["index"])
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-- if index matches v param it's probably the requested item
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if maybe_idx and #json.entries >= maybe_idx and
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json.entries[maybe_idx].id == args["v"] then
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msg.debug("index matches requested video")
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return maybe_idx - 1
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end
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-- if there's no index or it doesn't match, look for video
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for i = 1, #json.entries do
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if json.entries[i] == args["v"] then
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msg.debug("found requested video in index " .. (i - 1))
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return i - 1
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end
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end
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msg.debug("requested video not found in playlist")
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-- if item isn't on the playlist, give up
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return nil
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end
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local function make_absolute_url(base_url, url)
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if url:find("https?://") == 1 then return url end
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local proto, domain, rest =
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base_url:match("(https?://)([^/]+/)(.*)/?")
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local segs = {}
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rest:gsub("([^/]+)", function(c) table.insert(segs, c) end)
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url:gsub("([^/]+)", function(c) table.insert(segs, c) end)
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local resolved_url = {}
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for i, v in ipairs(segs) do
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if v == ".." then
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table.remove(resolved_url)
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elseif v ~= "." then
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table.insert(resolved_url, v)
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end
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end
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return proto .. domain ..
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table.concat(resolved_url, "/")
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end
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local function join_url(base_url, fragment)
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local res = ""
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if base_url and fragment.path then
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res = make_absolute_url(base_url, fragment.path)
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elseif fragment.url then
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res = fragment.url
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end
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return res
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end
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local function edl_track_joined(fragments, protocol, is_live, base)
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if not (type(fragments) == "table") or not fragments[1] then
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msg.debug("No fragments to join into EDL")
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return nil
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end
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local edl = "edl://"
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local offset = 1
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local parts = {}
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if (protocol == "http_dash_segments") and not is_live then
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msg.debug("Using dash")
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local args = ""
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-- assume MP4 DASH initialization segment
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if not fragments[1].duration then
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msg.debug("Using init segment")
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args = args .. ",init=" .. edl_escape(join_url(base, fragments[1]))
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offset = 2
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end
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table.insert(parts, "!mp4_dash" .. args)
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-- Check remaining fragments for duration;
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-- if not available in all, give up.
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for i = offset, #fragments do
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if not fragments[i].duration then
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msg.error("EDL doesn't support fragments" ..
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"without duration with MP4 DASH")
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return nil
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end
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end
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end
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for i = offset, #fragments do
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local fragment = fragments[i]
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if not url_is_safe(join_url(base, fragment)) then
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return nil
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end
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table.insert(parts, edl_escape(join_url(base, fragment)))
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if fragment.duration then
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parts[#parts] =
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parts[#parts] .. ",length="..fragment.duration
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end
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end
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return edl .. table.concat(parts, ";") .. ";"
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end
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local function has_native_dash_demuxer()
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local demuxers = mp.get_property_native("demuxer-lavf-list", {})
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for _, v in ipairs(demuxers) do
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if v == "dash" then
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return true
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end
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end
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return false
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end
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local function valid_manifest(json)
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local reqfmt = json["requested_formats"] and json["requested_formats"][1] or {}
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if not reqfmt["manifest_url"] and not json["manifest_url"] then
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return false
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end
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local proto = reqfmt["protocol"] or json["protocol"] or ""
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return (proto == "http_dash_segments" and has_native_dash_demuxer()) or
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proto:find("^m3u8")
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end
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local function add_single_video(json)
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local streamurl = ""
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local max_bitrate = 0
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local reqfmts = json["requested_formats"]
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-- prefer manifest_url if present
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if o.use_manifests and valid_manifest(json) then
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local mpd_url = reqfmts and reqfmts[1]["manifest_url"] or
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json["manifest_url"]
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if not mpd_url then
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msg.error("No manifest URL found in JSON data.")
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return
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elseif not url_is_safe(mpd_url) then
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return
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end
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streamurl = mpd_url
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if reqfmts then
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for _, track in pairs(reqfmts) do
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max_bitrate = track.tbr > max_bitrate and
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track.tbr or max_bitrate
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end
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elseif json.tbr then
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max_bitrate = json.tbr > max_bitrate and json.tbr or max_bitrate
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end
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-- DASH/split tracks
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elseif reqfmts then
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local streams = {}
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for _, track in pairs(reqfmts) do
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local edl_track = nil
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edl_track = edl_track_joined(track.fragments,
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track.protocol, json.is_live,
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track.fragment_base_url)
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if not edl_track and not url_is_safe(track.url) then
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return
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end
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if track.vcodec and track.vcodec ~= "none" then
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-- video track
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streams[#streams + 1] = edl_track or track.url
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elseif track.vcodec == "none" then
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-- audio track
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streams[#streams + 1] = edl_track or track.url
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end
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end
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if #streams > 1 then
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-- merge them via EDL
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for i = 1, #streams do
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streams[i] = "!no_clip;!no_chapters;" .. edl_escape(streams[i])
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end
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streamurl = "edl://" ..
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table.concat(streams, ";!new_stream;") .. ";"
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else
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streamurl = streams[1]
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end
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elseif not (json.url == nil) then
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local edl_track = nil
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edl_track = edl_track_joined(json.fragments, json.protocol,
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json.is_live, json.fragment_base_url)
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if not edl_track and not url_is_safe(json.url) then
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return
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end
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-- normal video or single track
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streamurl = edl_track or json.url
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set_http_headers(json.http_headers)
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else
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msg.error("No URL found in JSON data.")
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return
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end
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msg.debug("streamurl: " .. streamurl)
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mp.set_property("stream-open-filename", streamurl:gsub("^data:", "data://", 1))
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mp.set_property("file-local-options/force-media-title", json.title)
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-- set hls-bitrate for dash track selection
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if max_bitrate > 0 and
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not option_was_set("hls-bitrate") and
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not option_was_set_locally("hls-bitrate") then
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mp.set_property_native('file-local-options/hls-bitrate', max_bitrate*1000)
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end
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-- add subtitles
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if not (json.requested_subtitles == nil) then
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for lang, sub_info in pairs(json.requested_subtitles) do
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msg.verbose("adding subtitle ["..lang.."]")
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local sub = nil
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if not (sub_info.data == nil) then
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sub = "memory://"..sub_info.data
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elseif not (sub_info.url == nil) and
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url_is_safe(sub_info.url) then
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sub = sub_info.url
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end
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if not (sub == nil) then
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local edl = "edl://!no_clip;!delay_open,media_type=sub"
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local codec = map_codec_to_mpv[sub_info.ext]
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if codec then
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edl = edl .. ",codec=" .. codec
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end
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edl = edl .. ";" .. edl_escape(sub)
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mp.commandv("sub-add", edl, "auto", sub_info.ext, lang)
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else
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msg.verbose("No subtitle data/url for ["..lang.."]")
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end
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end
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end
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-- add chapters
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if json.chapters then
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msg.debug("Adding pre-parsed chapters")
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for i = 1, #json.chapters do
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local chapter = json.chapters[i]
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local title = chapter.title or ""
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if title == "" then
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title = string.format('Chapter %02d', i)
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end
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table.insert(chapter_list, {time=chapter.start_time, title=title})
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end
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elseif not (json.description == nil) and not (json.duration == nil) then
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chapter_list = extract_chapters(json.description, json.duration)
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end
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-- set start time
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if not (json.start_time == nil) and
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not option_was_set("start") and
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not option_was_set_locally("start") then
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msg.debug("Setting start to: " .. json.start_time .. " secs")
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mp.set_property("file-local-options/start", json.start_time)
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end
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-- set aspect ratio for anamorphic video
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if not (json.stretched_ratio == nil) and
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not option_was_set("video-aspect-override") then
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mp.set_property('file-local-options/video-aspect-override', json.stretched_ratio)
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end
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local stream_opts = mp.get_property_native("file-local-options/stream-lavf-o", {})
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-- for rtmp
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if (json.protocol == "rtmp") then
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stream_opts = append_libav_opt(stream_opts,
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"rtmp_tcurl", streamurl)
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stream_opts = append_libav_opt(stream_opts,
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"rtmp_pageurl", json.page_url)
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stream_opts = append_libav_opt(stream_opts,
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"rtmp_playpath", json.play_path)
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stream_opts = append_libav_opt(stream_opts,
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"rtmp_swfverify", json.player_url)
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stream_opts = append_libav_opt(stream_opts,
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"rtmp_swfurl", json.player_url)
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stream_opts = append_libav_opt(stream_opts,
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"rtmp_app", json.app)
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end
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if json.proxy and json.proxy ~= "" then
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stream_opts = append_libav_opt(stream_opts,
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"http_proxy", json.proxy)
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end
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mp.set_property_native("file-local-options/stream-lavf-o", stream_opts)
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end
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local function check_version(ytdl_path)
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local command = {
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name = "subprocess",
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capture_stdout = true,
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args = {ytdl_path, "--version"}
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}
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local version_string = mp.command_native(command).stdout
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local year, month, day = string.match(version_string, "(%d+).(%d+).(%d+)")
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-- sanity check
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if (tonumber(year) < 2000) or (tonumber(month) > 12) or
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(tonumber(day) > 31) then
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return
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end
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local version_ts = os.time{year=year, month=month, day=day}
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if (os.difftime(os.time(), version_ts) > 60*60*24*90) then
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msg.warn("It appears that your youtube-dl version is severely out of date.")
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end
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end
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function run_ytdl_hook(url)
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local start_time = os.clock()
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-- check for youtube-dl in mpv's config dir
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if not (ytdl.searched) then
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local exesuf = (package.config:sub(1,1) == '\\') and '.exe' or ''
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local ytdl_mcd = mp.find_config_file("youtube-dl" .. exesuf)
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if not (ytdl_mcd == nil) then
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msg.verbose("found youtube-dl at: " .. ytdl_mcd)
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ytdl.path = ytdl_mcd
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end
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ytdl.searched = true
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end
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-- strip ytdl://
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if (url:find("ytdl://") == 1) then
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url = url:sub(8)
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end
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local format = mp.get_property("options/ytdl-format")
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local raw_options = mp.get_property_native("options/ytdl-raw-options")
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local allsubs = true
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local proxy = nil
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local use_playlist = false
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local command = {
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ytdl.path, "--no-warnings", "-J", "--flat-playlist",
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"--sub-format", "ass/srt/best"
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}
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-- Checks if video option is "no", change format accordingly,
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-- but only if user didn't explicitly set one
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if (mp.get_property("options/vid") == "no") and (#format == 0) then
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format = "bestaudio/best"
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msg.verbose("Video disabled. Only using audio")
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end
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if (format == "") then
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format = "bestvideo+bestaudio/best"
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end
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table.insert(command, "--format")
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table.insert(command, format)
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|
|
|
for param, arg in pairs(raw_options) do
|
|
table.insert(command, "--" .. param)
|
|
if (arg ~= "") then
|
|
table.insert(command, arg)
|
|
end
|
|
if (param == "sub-lang") and (arg ~= "") then
|
|
allsubs = false
|
|
elseif (param == "proxy") and (arg ~= "") then
|
|
proxy = arg
|
|
elseif (param == "yes-playlist") then
|
|
use_playlist = true
|
|
end
|
|
end
|
|
|
|
if (allsubs == true) then
|
|
table.insert(command, "--all-subs")
|
|
end
|
|
if not use_playlist then
|
|
table.insert(command, "--no-playlist")
|
|
end
|
|
table.insert(command, "--")
|
|
table.insert(command, url)
|
|
msg.debug("Running: " .. table.concat(command,' '))
|
|
local es, json, result, aborted = exec(command)
|
|
|
|
if aborted then
|
|
return
|
|
end
|
|
|
|
if (es < 0) or (json == nil) or (json == "") then
|
|
-- trim our stderr to avoid spurious newlines
|
|
ytdl_err = result.stderr:gsub("^%s*(.-)%s*$", "%1")
|
|
msg.error(ytdl_err)
|
|
local err = "youtube-dl failed: "
|
|
if result.error_string and result.error_string == "init" then
|
|
err = err .. "not found or not enough permissions"
|
|
elseif not result.killed_by_us then
|
|
err = err .. "unexpected error ocurred"
|
|
else
|
|
err = string.format("%s returned '%d'", err, es)
|
|
end
|
|
msg.error(err)
|
|
if string.find(ytdl_err, "yt%-dl%.org/bug") then
|
|
check_version(ytdl.path)
|
|
end
|
|
return
|
|
end
|
|
|
|
local json, err = utils.parse_json(json)
|
|
|
|
if (json == nil) then
|
|
msg.error("failed to parse JSON data: " .. err)
|
|
check_version(ytdl.path)
|
|
return
|
|
end
|
|
|
|
msg.verbose("youtube-dl succeeded!")
|
|
msg.debug('ytdl parsing took '..os.clock()-start_time..' seconds')
|
|
|
|
json["proxy"] = json["proxy"] or proxy
|
|
|
|
-- what did we get?
|
|
if json["direct"] then
|
|
-- direct URL, nothing to do
|
|
msg.verbose("Got direct URL")
|
|
return
|
|
elseif (json["_type"] == "playlist")
|
|
or (json["_type"] == "multi_video") then
|
|
-- a playlist
|
|
|
|
if (#json.entries == 0) then
|
|
msg.warn("Got empty playlist, nothing to play.")
|
|
return
|
|
end
|
|
|
|
local self_redirecting_url =
|
|
json.entries[1]["_type"] ~= "url_transparent" and
|
|
json.entries[1]["webpage_url"] and
|
|
json.entries[1]["webpage_url"] == json["webpage_url"]
|
|
|
|
|
|
-- some funky guessing to detect multi-arc videos
|
|
if self_redirecting_url and #json.entries > 1
|
|
and json.entries[1].protocol == "m3u8_native"
|
|
and json.entries[1].url then
|
|
msg.verbose("multi-arc video detected, building EDL")
|
|
|
|
local playlist = edl_track_joined(json.entries)
|
|
|
|
msg.debug("EDL: " .. playlist)
|
|
|
|
if not playlist then
|
|
return
|
|
end
|
|
|
|
-- can't change the http headers for each entry, so use the 1st
|
|
set_http_headers(json.entries[1].http_headers)
|
|
|
|
mp.set_property("stream-open-filename", playlist)
|
|
if not (json.title == nil) then
|
|
mp.set_property("file-local-options/force-media-title",
|
|
json.title)
|
|
end
|
|
|
|
-- there might not be subs for the first segment
|
|
local entry_wsubs = nil
|
|
for i, entry in pairs(json.entries) do
|
|
if not (entry.requested_subtitles == nil) then
|
|
entry_wsubs = i
|
|
break
|
|
end
|
|
end
|
|
|
|
if not (entry_wsubs == nil) and
|
|
not (json.entries[entry_wsubs].duration == nil) then
|
|
for j, req in pairs(json.entries[entry_wsubs].requested_subtitles) do
|
|
local subfile = "edl://"
|
|
for i, entry in pairs(json.entries) do
|
|
if not (entry.requested_subtitles == nil) and
|
|
not (entry.requested_subtitles[j] == nil) and
|
|
url_is_safe(entry.requested_subtitles[j].url) then
|
|
subfile = subfile..edl_escape(entry.requested_subtitles[j].url)
|
|
else
|
|
subfile = subfile..edl_escape("memory://WEBVTT")
|
|
end
|
|
subfile = subfile..",length="..entry.duration..";"
|
|
end
|
|
msg.debug(j.." sub EDL: "..subfile)
|
|
mp.commandv("sub-add", subfile, "auto", req.ext, j)
|
|
end
|
|
end
|
|
|
|
elseif self_redirecting_url and #json.entries == 1 then
|
|
msg.verbose("Playlist with single entry detected.")
|
|
add_single_video(json.entries[1])
|
|
else
|
|
local playlist_index = parse_yt_playlist(url, json)
|
|
local playlist = {"#EXTM3U"}
|
|
for i, entry in pairs(json.entries) do
|
|
local site = entry.url
|
|
local title = entry.title
|
|
|
|
if not (title == nil) then
|
|
title = string.gsub(title, '%s+', ' ')
|
|
table.insert(playlist, "#EXTINF:0," .. title)
|
|
end
|
|
|
|
--[[ 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, but only if we aren't going to trigger an
|
|
infinite loop
|
|
--]]
|
|
if entry["webpage_url"] and not self_redirecting_url then
|
|
site = entry["webpage_url"]
|
|
end
|
|
|
|
-- links without protocol as returned by --flat-playlist
|
|
if not site:find("://") then
|
|
-- youtube extractor provides only IDs,
|
|
-- others come prefixed with the extractor name and ":"
|
|
local prefix = site:find(":") and "ytdl://" or
|
|
"https://youtu.be/"
|
|
table.insert(playlist, prefix .. site)
|
|
elseif url_is_safe(site) then
|
|
table.insert(playlist, site)
|
|
end
|
|
|
|
end
|
|
|
|
if use_playlist and
|
|
not option_was_set("playlist-start") and playlist_index then
|
|
mp.set_property_number("playlist-start", playlist_index)
|
|
end
|
|
|
|
mp.set_property("stream-open-filename", "memory://" .. table.concat(playlist, "\n"))
|
|
|
|
-- This disables mpv's mushy playlist security code, which will
|
|
-- break links that will be resolved to EDL later (because EDL is
|
|
-- not considered "safe", and the playlist entries got tagged as
|
|
-- network originating due to the playlist redirection).
|
|
mp.set_property_native("file-local-options/load-unsafe-playlists", true)
|
|
end
|
|
|
|
else -- probably a video
|
|
add_single_video(json)
|
|
end
|
|
msg.debug('script running time: '..os.clock()-start_time..' seconds')
|
|
end
|
|
|
|
if (not o.try_ytdl_first) then
|
|
mp.add_hook("on_load", 10, function ()
|
|
msg.verbose('ytdl:// hook')
|
|
local url = mp.get_property("stream-open-filename", "")
|
|
if not (url:find("ytdl://") == 1) then
|
|
msg.verbose('not a ytdl:// url')
|
|
return
|
|
end
|
|
run_ytdl_hook(url)
|
|
end)
|
|
end
|
|
|
|
mp.add_hook(o.try_ytdl_first and "on_load" or "on_load_fail", 10, function()
|
|
msg.verbose('full hook')
|
|
local url = mp.get_property("stream-open-filename", "")
|
|
if not (url:find("ytdl://") == 1) and
|
|
not ((url:find("https?://") == 1) and not is_blacklisted(url)) then
|
|
return
|
|
end
|
|
run_ytdl_hook(url)
|
|
end)
|
|
|
|
mp.add_hook("on_preloaded", 10, function ()
|
|
if next(chapter_list) ~= nil then
|
|
msg.verbose("Setting chapters")
|
|
|
|
mp.set_property_native("chapter-list", chapter_list)
|
|
chapter_list = {}
|
|
end
|
|
end)
|