[FFmpeg-user] Copying streams from partial FLVs?

Carl Eugen Hoyos cehoyos at ag.or.at
Wed Mar 19 22:23:38 CET 2014

Chris Pennello <chris <at> redux.com> writes:

> % ffmpeg -i tmp/rangetest2.flv -vcodec copy 
> -acodec copy tmp/rangetest2.mp4
> ffmpeg version 2.0.1-tessus

Please try current git head.

> [flv  <at>  0x102018600] Could not find codec parameters 
> for stream 0 (Video: h264): unspecified size
> Consider increasing the value for the 'analyzeduration' 
> and 'probesize' options

Did you try this?

If there really is software that can play this 
sample but current FFmpeg cannot, please provide 
the file.

Carl Eugen

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