[FFmpeg-user] JPG/PNGs only create at end from .FLV

Carl Eugen Hoyos cehoyos at ag.or.at
Thu Feb 6 19:05:18 CET 2014

dom <dom.forrest <at> gmail.com> writes:

> frame=   62 fps=0.0 q=0.0 Lsize=N/A time=00:00:02.48 bitrate=N/A   

I suspect you see a different behaviour with longer 
samples, you can try to set -analyzeduration and -probesize 
but FFmpeg will always read some frames before starting 
its output.

Carl Eugen

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