Quote:
Originally Posted by eschwartz
calibre uses jpegtran from the latest version of mozjpeg, rather than using libjpeg-turbo (the latest version of which is on roger64's machine).
mozjpeg and libjpeg-turbo are both equally NOT libjpeg.
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It appears that I was mistaken. When the jpeg optimization didn't work on my machine I checked the jpegtran version number and found out that it was jpegtran 8d, but the Windows version bundled with the plugin is 9a.
I then executed the same command line that the plugin uses:
Code:
jpegtran -optimize -progressive -copy none -outfile /tmp/tmp2RD8h1/image.JPG /tmp/tmp2RD8h1/image.JPG
and noticed that the execution entered an endless loop. Since the plugin didn't work on roger64's Arch Linux machine and he said that he's installed libjpeg-turbo, I erroneusly assumed that libjpeg-turbo might have the same problem as my jpegtran 8d version.
Did you install the ImageOptimizer plugin on your machine and does it work with libjpeg-turbo?