Error when converting lots in JPG in BATCH

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mikarts
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Re: Error when converting lots in JPG in BATCH

Post by mikarts » 2018-04-10T11:20:52-07:00

Sorry. I haven't been able to update the libjpeg delegate. Could you tell me how please? Or maybe where can I see how to do it? Thank you.

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fmw42
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Re: Error when converting lots in JPG in BATCH

Post by fmw42 » 2018-04-10T11:57:21-07:00

It would be helpful if you provide your IM version and platform (assumed Windows from you title). Did you install IM from binary or source.

mikarts
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Re: Error when converting lots in JPG in BATCH

Post by mikarts » 2018-04-10T15:23:02-07:00

I have the problem till a few versions ago. The first was 6.7 I think.
I have installed Windows Binary Releases always.
First I worked under Windows 7 Professional, and now with the Windows 10 platform.
Now I have tried the versions:
- ImageMagick-7.0.7-28-Q16-x64-dll.exe
- ImageMagick-7.0.7-28-Q16-x64-static.exe
- ImageMagick-7.0.7-28-Q8-x64-static.exe

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fmw42
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Re: Error when converting lots in JPG in BATCH

Post by fmw42 » 2018-04-10T17:41:50-07:00

What is the version of libjpeg on your new system? You can find out from

Code: Select all

magick.exe -list format
then look at the line for JPG. On my Mac OSX with IM 7.0.7-28 Q16, I get:

JPG* JPEG rw- Joint Photographic Experts Group JFIF format (90)

I do not think there is a more current version than 9 (90). See https://github.com/LuaDist/libjpeg and https://en.wikipedia.org/wiki/Libjpeg

Your binary should include libjpeg 90.

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