[FFmpeg-user] How to get JPEG Quality factor

Carl Eugen Hoyos cehoyos at ag.or.at
Wed Oct 28 16:02:28 CET 2015

Przemysław Sobala <przemyslaw.sobala <at> grupawp.pl> writes:

> Is there a way to get JPEG image quality factor 
> in ffmpeg/ffprobe?

You can do: ffmpeg -i image -loglevel debug
The "qscale" value(s) shown correspond(s) to the 
quality, "0" means "100%".
Remember that "normal" jpeg is always lossy, 
100% does not mean lossless.

Carl Eugen

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