YouTube video url paramters

(these can help us to make some features in demand, such as buffer settings or to provide fallback methods for other features, to make them more failproof/futureproof)

parameter	explanation	a Value	Value/s
rbuf	Buffer size	1000	0, 10000
range	Byte range	12345-67890	0-1048576
clen	Content length	12345678	98765432
dur	Duration	600	3600
quality	Video quality	hd720	medium, small
rn	Random to avoid browser caching	123456
ump	Performance metrics	1	0
itag	Media format	140 (128kbps AAC)	18 (360p), 22 (720p HD), 137 (1080p), 5 (240p FLV), 17 (144p 3GP), 18 (360p MP4), 22 (720p MP4), 34 (360p FLV), 35 (480p FLV), 36 (240p 3GP), 37 (1080p MP4), 38 (3072p MP4), 43 (360p WebM), 44 (480p WebM), 45 (720p WebM), 46 (1080p WebM), 59 (480p MP4), 78 (480p MP4), 82 (360p MP4), 83 (480p MP4), 84 (720p MP4), 85 (1080p MP4), 91 (144p MP4), 92 (240p MP4), 93 (360p MP4), 94 (480p MP4), 95 (720p MP4), 96 (1080p MP4), 100 (360p WebM), 101 (480p WebM), 102 (720p WebM), 132 (240p MP4), 133 (360p MP4), 134 (480p MP4), 135 (720p MP4), 136 (1080p MP4), 137 (1080p MP4), 138 (2160p MP4), 139 (48kbps M4A), 140 (128kbps M4A), 141 (256kbps M4A)
mime	MIME type	video/mp4	audio/mp4, video/webm, audio/webm, video/mpeg audio/mpeg, video/ogg audio/ogg audio/wav audio/aac, video/x-flv video/3gpp video/x-matroska
ms	Media source	au (audio)	va (video)
mv	Media variant	m	u
mt	Timestamp	1625097600	1625184000
lmt	Last modified time	1609459200	1612137600
gir	Segmenting	yes	no
pl	Playlist index	1	2
t	Timestamp (playback start)	1m30s	90s
id	Video ID	oHg5SJYRHA0
v	Video ID	dQw4w9WgXcQ
gcr	Geo region	IN	CA
hl	Language	fr	pt
cc_load_policy	Closed captions	1	0
cc_lang_pref	Preferred caption language	cn	kr
autoplay	Autoplay	1	0
fs	Fullscreen button	1	0
rel	Related videos at end	1	0
modestbranding	Modest Logo	1	0