feat: sponsor blocking in youtube videos

input.conf

@@ -226,3 +226,4 @@ ctrl+B      script-binding make_gif_with_subtitles  # make the GIF using start a
 ctrl+c      script-binding copy-time                # copy current timestamp to clipboard in HH:MM:SS.MS format (copy-time.lua)
 ctrl+S      script-binding toggle-seeker            # toggle keyboard input to seek to inputted timestamp (seek-to.lua)
 ctrl+v      script-binding paste-timestamp          # automatically seek to pasted timestamp from clipboard (seek-to.lua)
+alt+b       script-binding sponsorblock             # toggle sponsorblock on/off (sponsorblock-minimal.lua)

scripts/sponsorblock-minimal.lua

@@ -0,0 +1,147 @@
+-- sponsorblock-minimal.lua
+-- source: https://codeberg.org/jouni/mpv_sponsorblock_minimal
+--
+-- This script skips sponsored segments of YouTube videos
+-- using data from https://github.com/ajayyy/SponsorBlock
+
+local opt = require 'mp.options'
+local utils = require 'mp.utils'
+
+local ON = false
+local ranges = nil
+
+local options = {
+	server = "https://sponsor.ajay.app/api/skipSegments",
+
+	-- Categories to fetch and skip
+	categories = '"sponsor"',
+
+	-- Set this to "true" to use sha256HashPrefix instead of videoID
+	hash = ""
+}
+
+opt.read_options(options)
+
+function get_ranges(youtube_id, url)
+	local luacurl_available, cURL = pcall(require,'cURL')
+
+	local res = nil
+	if not(luacurl_available) then -- if Lua-cURL is not available on this system
+		local sponsors = mp.command_native{
+			name = "subprocess",
+			capture_stdout = true,
+			playback_only = false,
+			args = {"curl", "-L", "-s", "-g", url}
+		}
+		res = sponsors.stdout
+	else -- otherwise use Lua-cURL (binding to libcurl)
+		local buf={}
+		local c = cURL.easy_init()
+		c:setopt_followlocation(1)
+		c:setopt_url(url)
+		c:setopt_writefunction(function(chunk) table.insert(buf,chunk); return true; end)
+		c:perform()
+		res = table.concat(buf)
+	end
+
+	if res then
+		local json = utils.parse_json(res)
+		if type(json) == "table" then
+			if options.hash == "true" then
+				for _, i in pairs(json) do
+					if i.videoID == youtube_id then
+						return i.segments
+					end
+				end
+			else
+				return json
+			end
+		end
+	end
+
+	return nil
+end
+
+function skip_ads(name,pos)
+	if pos then
+		for _, i in pairs(ranges) do
+			v = i.segment[2]
+			if i.segment[1] <= pos and v > pos then
+				--this message may sometimes be wrong
+				--it only seems to be a visual thing though
+				mp.osd_message(("[sponsorblock] skipping forward %ds"):format(math.floor(v-mp.get_property("time-pos"))))
+				--need to do the +0.01 otherwise mpv will start spamming skip sometimes
+				--example: https://www.youtube.com/watch?v=4ypMJzeNooo
+				mp.set_property("time-pos",v+0.01)
+				return
+			end
+		end
+	end
+end
+
+function file_loaded()
+	local video_path = mp.get_property("path", "")
+	local video_referer = string.match(mp.get_property("http-header-fields", ""), "Referer:([^,]+)") or ""
+
+	local urls = {
+		"ytdl://youtu%.be/([%w-_]+).*",
+		"ytdl://w?w?w?%.?youtube%.com/v/([%w-_]+).*",
+		"https?://youtu%.be/([%w-_]+).*",
+		"https?://w?w?w?%.?youtube%.com/v/([%w-_]+).*",
+		"/watch.*[?&]v=([%w-_]+).*",
+		"/embed/([%w-_]+).*",
+		"^ytdl://([%w-_]+)$",
+		"-([%w-_]+)%."
+	}
+	local youtube_id = nil
+	local purl = mp.get_property("metadata/by-key/PURL", "")
+	for i,url in ipairs(urls) do
+		youtube_id = youtube_id or string.match(video_path, url) or string.match(video_referer, url) or string.match(purl, url)
+		if youtube_id then break end
+	end
+
+	if not youtube_id or string.len(youtube_id) < 11 then return end
+	youtube_id = string.sub(youtube_id, 1, 11)
+
+	local url = ""
+	if options.hash == "true" then
+		local sha = mp.command_native{
+			name = "subprocess",
+			capture_stdout = true,
+			args = {"sha256sum"},
+			stdin_data = youtube_id
+		}
+		url = ("%s/%s?categories=[%s]"):format(options.server, string.sub(sha.stdout, 0, 4), options.categories)
+	else
+		url = ("%s?videoID=%s&categories=[%s]"):format(options.server, youtube_id, options.categories)
+	end
+
+	ranges = get_ranges(youtube_id, url)
+	if ranges then
+		ON = true
+		mp.add_key_binding("b","sponsorblock",toggle)
+		mp.observe_property("time-pos", "native", skip_ads)
+	end
+end
+
+function end_file()
+	if not ON then return end
+	mp.unobserve_property(skip_ads)
+	ranges = nil
+	ON = false
+end
+
+function toggle()
+	if ON then
+		mp.unobserve_property(skip_ads)
+		mp.osd_message("[sponsorblock] off")
+		ON = false
+	else
+		mp.observe_property("time-pos", "native", skip_ads)
+		mp.osd_message("[sponsorblock] on")
+		ON = true
+	end
+end
+
+mp.register_event("file-loaded", file_loaded)
+mp.register_event("end-file", end_file)