[FFmpeg-user] Upgrade from FFMPEG Older to Newer Issues

Reindl Harald h.reindl at thelounge.net
Fri Oct 12 00:59:59 CEST 2012



Am 12.10.2012 00:46, schrieb Domnick Eger:
> [flv @ 0xc53240] Could not find codec parameters for stream 0 (Video: none): unspecified size
> Consider increasing the value for the 'analyzeduration' and 'probesize' options
> [flv @ 0xc53240] Could not find codec parameters for stream 1 (Audio: none, 0 channels): unspecified sample format
> Consider increasing the value for the 'analyzeduration' and 'probesize' options
> 
> All were doing is automating this command:
> 
> ffmpeg  -i <input flv file> -s 320x240 -y -f image2 -vframes 1 <output jpeg file>

ffmpeg -i 'source.flv' -y -f 'mjpeg' -vframes '1' -vf 'scale=320:240' 'out.jpg'

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