avc1 is https://en.wikipedia.org/wiki/H.264/MPEG-4_AVC https://en.wikipedia.org/wiki/H.264/MPEG-4_AVC not AV1 The available formats for that video are: $

avc1 is https://en.wikipedia.org/wiki/H.264/MPEG-4_AVC https://en.wikipedia.org/wiki/H.264/MPEG-4_AVC not AV1 The available formats for that video are: $ youtube-dl -F https://www.youtube.com/watch?v=ogfYd705cRs [youtube] ogfYd705cRs: Downloading webpage [youtube] ogfYd705cRs: Downloading video info webpage [info] Available formats for ogfYd705cRs: format code extension resolution note 249 webm audio only DASH audio 70k , opus @ 50k, 37.58MiB 250 webm audio only DASH audio 88k , opus @ 70k, 45.92MiB 140 m4a audio only DASH audio 136k , m4a_dash container, mp4a.40.2@128k, 98.65MiB 171 webm audio only DASH audio 148k , vorbis@128k, 70.46MiB 251 webm audio only DASH audio 158k , opus @160k, 95.71MiB 160 mp4 256x144 144p 114k , avc1.4d400c, 30fps, video only, 29.91MiB 278 webm 256x144 144p 147k , webm container, vp9, 30fps, video only, 61.11MiB 242 webm 426x240 240p 226k , vp9, 30fps, video only, 75.75MiB 133 mp4 426x240 240p 252k , avc1.4d4015, 30fps, video only, 54.98MiB 243 webm 640x360 360p 413k , vp9, 30fps, video only, 140.49MiB 134 mp4 640x360 360p 644k , avc1.4d401e, 30fps, video only, 182.59MiB 244 webm 854x480 480p 764k , vp9, 30fps, video only, 227.69MiB 135 mp4 854x480 480p 1193k , avc1.4d401f, 30fps, video only, 377.25MiB 247 webm 1280x720 720p 1521k , vp9, 30fps, video only, 423.38MiB 136 mp4 1280x720 720p 2375k , avc1.4d401f, 30fps, video only, 730.12MiB 248 webm 1920x1080 1080p 2674k , vp9, 30fps, video only, 810.25MiB 137 mp4 1920x1080 1080p 4461k , avc1.640028, 30fps, video only, 1.34GiB 17 3gp 176x144 small , mp4v.20.3, mp4a.40.2@ 24k, 57.43MiB 36 3gp 320x180 small , mp4v.20.3, mp4a.40.2, 162.63MiB 18 mp4 640x360 medium , avc1.42001E, mp4a.40.2@ 96k, 332.87MiB 43 webm 640x360 medium , vp8.0, vorbis@128k, 452.27MiB 22 mp4 1280x720 hd720 , avc1.64001F, mp4a.40.2@192k (best)