[Libav-user] Best strategy to playback movies that cannot be played back in realtime

[Carl Eugen Hoyos]

Info || Non-Lethal Applications <info at ...> writes:

> I have a couple of 4K test clips here which also 
> don’t play properly in ffplay. ffplay hangs on the 
> first frame and doesn’t advance any further …

(I don't think "hangs" is the correct description.)
FFplay depends on an external library which implies 
performance issues, you can use ffmpeg -f xv or 
ffmpeg -f opengl to test performance.
(Or mplayer -vo gl)

And consider testing -framedrop

Carl Eugen