From e2d608c91014da3fd2ac08a4919738523e975c38 Mon Sep 17 00:00:00 2001
From: Nulo <git@nulo.in>
Date: Tue, 3 May 2022 10:36:17 -0300
Subject: [PATCH] mpv: sponsorblock_minimal

---
 .config/mpv/scripts/sponsorblock_minimal.lua | 131 +++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 .config/mpv/scripts/sponsorblock_minimal.lua

diff --git a/.config/mpv/scripts/sponsorblock_minimal.lua b/.config/mpv/scripts/sponsorblock_minimal.lua
new file mode 100644
index 0000000..7c9f0d6
--- /dev/null
+++ b/.config/mpv/scripts/sponsorblock_minimal.lua
@@ -0,0 +1,131 @@
+-- sponsorblock_minimal.lua
+--
+-- This script skips sponsored segments of YouTube videos
+-- using data from https://github.com/ajayyy/SponsorBlock
+
+-- From https://codeberg.org/jouni/mpv_sponsorblock_minimal/src/commit/b71beb60eb71eb7df1266abfccd14c8cc451c643/sponsorblock_minimal.lua
+
+local options = {
+	server = "https://sponsor.ajay.app/api/skipSegments",
+
+	-- Categories to fetch and skip
+	categories = '"sponsor","interaction","outro"'
+}
+
+function getranges()
+	local luacurl_available, cURL = pcall(require,'cURL')
+
+	local cstr = ("categories=[%s]"):format(options.categories)
+	local vstr = ("videoID=%s"):format(youtube_id)
+
+	if not(luacurl_available) then -- if Lua-cURL is not available on this system
+		local curl_cmd = {
+			"curl",
+			"-L",
+			"-s",
+			"-G",
+			"-d", cstr,
+			"-d", vstr,
+			options.server
+		}
+		local sponsors = mp.command_native{
+			name = "subprocess",
+			capture_stdout = true,
+			playback_only = false,
+			args = curl_cmd
+		}
+		res = sponsors.stdout
+	else -- otherwise use Lua-cURL (binding to libcurl)
+		local API = ("%s?%s&%s"):format(options.server, cstr, vstr)
+		local buf={}
+		local c = cURL.easy_init()
+		c:setopt_followlocation(1)
+		c:setopt_url(API)
+		c:setopt_writefunction(function(chunk) table.insert(buf,chunk); return true; end)
+		c:perform()
+		res = table.concat(buf)
+	end
+
+	if string.match(res,"%[(.-)%]") then
+		ranges = {}
+		for i in string.gmatch(string.sub(res,2,-2),"%[(.-)%]") do
+			k,v = string.match(i,"(%d+.?%d*),(%d+.?%d*)")
+			ranges[k] = v
+		end
+	end
+	return
+end
+
+function skip_ads(name,pos)
+	if pos ~= nil then
+		for k,v in pairs(ranges) do
+			k = tonumber(k)
+			v = tonumber(v)
+			if k <= 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
+	return
+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-_]+)%."
+	}
+	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)
+	end
+
+	if not youtube_id or string.len(youtube_id) < 11 then return end
+	youtube_id = string.sub(youtube_id, 1, 11)
+
+	getranges()
+	if ranges then
+		ON = true
+		mp.add_key_binding("b","sponsorblock",toggle)
+		mp.observe_property("time-pos", "native", skip_ads)
+	end
+	return
+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
+		return
+	end
+	mp.observe_property("time-pos", "native", skip_ads)
+	mp.osd_message("[sponsorblock] on")
+	ON = true
+	return
+end
+
+mp.register_event("file-loaded", file_loaded)
+mp.register_event("end-file", end_file)