[FFmpeg-user] Poor quality on JPG encode

Steven Penny svnpenn at gmail.com
Mon Oct 10 14:15:36 CEST 2011


Source image
http://farm6.static.flickr.com/5306/5568785285_d8d5aa3c7d_o.jpg

Resized with MS Paint
29.3 KB
http://dl.dropbox.com/u/26639067/paint.jpg


Resized with ffmpeg
22.4 KB
http://dl.dropbox.com/u/26639067/ffmpeg.jpg

ffmpeg -i 5568785285_d8d5aa3c7d_o.jpg -qmax 1 -vf scale=360:-1
-sws_flags lanczos ffmpeg.jpg

The color on the ffmpeg photo is much worse, I cannot find a way to
improve the quality.


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