[FFmpeg-user] youtube formats not recognized by latest ffmpeg

JD jd1008 at gmail.com
Sun Nov 10 20:10:01 EET 2019

Dear all,
there are new formats on youtube that latest firefox cannot play,
neither can latest mplayer nor latest ffplay.
Example of these formats, as seen when one invokes
youtube-dl -F  <youtube-video-url> (such as

225          mp4        1280x534   720p 4534k , avc1.4d401f, 24fps, 
video only, 1.90GiB
226          mp4        1920x800   1080p 4614k , avc1.640028, 24fps, 
video only, 2.32GiB
227          mp4        1920x800   1080p 6378k , avc1.640028, 24fps, 
video only, 3.45GiB (best)

What player can play these formats?


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